diff options
Diffstat (limited to 'src/southbridge/amd')
| -rw-r--r-- | src/southbridge/amd/rs780/Kconfig | 17 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/Makefile.inc | 11 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/chip.h | 36 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/cmn.c | 399 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/early_setup.c | 631 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/gfx.c | 1572 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/ht.c | 86 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/pcie.c | 406 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/rev.h | 23 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/rs780.c | 363 | ||||
| -rw-r--r-- | src/southbridge/amd/rs780/rs780.h | 227 |
11 files changed, 0 insertions, 3771 deletions
diff --git a/src/southbridge/amd/rs780/Kconfig b/src/southbridge/amd/rs780/Kconfig deleted file mode 100644 index 9c71694f17..0000000000 --- a/src/southbridge/amd/rs780/Kconfig +++ /dev/null @@ -1,17 +0,0 @@ -## -## This file is part of the coreboot project. -## -## Copyright (C) 2010 Advanced Micro Devices, Inc. -## -## This program is free software; you can redistribute it and/or modify -## it under the terms of the GNU General Public License as published by -## the Free Software Foundation; version 2 of the License. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## - -config SOUTHBRIDGE_AMD_RS780 - bool diff --git a/src/southbridge/amd/rs780/Makefile.inc b/src/southbridge/amd/rs780/Makefile.inc deleted file mode 100644 index 36086e90c2..0000000000 --- a/src/southbridge/amd/rs780/Makefile.inc +++ /dev/null @@ -1,11 +0,0 @@ -ifeq ($(CONFIG_SOUTHBRIDGE_AMD_RS780),y) - -romstage-y += early_setup.c - -ramstage-y += rs780.c -ramstage-y += cmn.c -ramstage-y += pcie.c -ramstage-y += ht.c -ramstage-y += gfx.c - -endif diff --git a/src/southbridge/amd/rs780/chip.h b/src/southbridge/amd/rs780/chip.h deleted file mode 100644 index ca86a67b27..0000000000 --- a/src/southbridge/amd/rs780/chip.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef RS780_CHIP_H -#define RS780_CHIP_H - -/* Member variables are defined in devicetree.cb. */ -struct southbridge_amd_rs780_config -{ - u8 gppsb_configuration; /* The configuration of General Purpose Port, A/B/C/D/E. */ - u8 gpp_configuration; /* The configuration of General Purpose Port, C/D. */ - u16 port_enable; /* Which port is enabled? GFX(2,3), GPP(4,5,6,7) */ - u8 gfx_dev2_dev3; /* for GFX Core initialization REFCLK_SEL */ - u8 gfx_dual_slot; /* Is it dual graphics slots */ - u8 gfx_lane_reversal; /* Single/Dual slot lan reversal */ - u8 gfx_tmds; /* whether support TMDS? */ - u8 gfx_compliance; /* whether support compliance? */ - u8 gfx_reconfiguration; /* Dynamic Link Width Control */ - u8 gfx_link_width; /* Desired width of lane 2 */ - u8 gfx_pcie_config; /* GFX PCIE Modes */ - u8 gfx_ddi_config; /* GFX DDI Modes */ -}; - -#endif /* RS780_CHIP_H */ diff --git a/src/southbridge/amd/rs780/cmn.c b/src/southbridge/amd/rs780/cmn.c deleted file mode 100644 index 1520748796..0000000000 --- a/src/southbridge/amd/rs780/cmn.c +++ /dev/null @@ -1,399 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <arch/cpu.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ops.h> -#include <cpu/x86/msr.h> -#include <cpu/amd/mtrr.h> -#include <delay.h> -#include "rs780.h" - -static u32 nb_read_index(struct device *dev, u32 index_reg, u32 index) -{ - pci_write_config32(dev, index_reg, index); - return pci_read_config32(dev, index_reg + 0x4); -} - -static void nb_write_index(struct device *dev, u32 index_reg, u32 index, u32 data) -{ - pci_write_config32(dev, index_reg, index); - pci_write_config32(dev, index_reg + 0x4, data); -} - -/* extension registers */ -u32 pci_ext_read_config32(struct device *nb_dev, struct device *dev, u32 reg) -{ - /* get BAR3 base address for nbcfg0x1c */ - u32 addr = pci_read_config32(nb_dev, 0x1c) & ~0xF; - printk(BIOS_DEBUG, "addr=%x,bus=%x,devfn=%x\n", addr, dev->bus->secondary, - dev->path.pci.devfn); - addr |= dev->bus->secondary << 20 | /* bus num */ - dev->path.pci.devfn << 12 | reg; - return *((u32 *) addr); -} - -void pci_ext_write_config32(struct device *nb_dev, struct device *dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - - /* get BAR3 base address for nbcfg0x1c */ - u32 addr = pci_read_config32(nb_dev, 0x1c) & ~0xF; - /*printk(BIOS_DEBUG, "write: addr=%x,bus=%x,devfn=%x\n", addr, dev->bus->secondary, - dev->path.pci.devfn);*/ - addr |= dev->bus->secondary << 20 | /* bus num */ - dev->path.pci.devfn << 12 | reg_pos; - - reg = reg_old = *((u32 *) addr); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - *((u32 *) addr) = reg; - } -} - -u32 nbmisc_read_index(struct device *nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBMISC_INDEX, (index)); -} - -void nbmisc_write_index(struct device *nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBMISC_INDEX, ((index) | 0x80), (data)); -} - -u32 nbpcie_p_read_index(struct device *dev, u32 index) -{ - return nb_read_index((dev), NBPCIE_INDEX, (index)); -} - -void nbpcie_p_write_index(struct device *dev, u32 index, u32 data) -{ - nb_write_index((dev), NBPCIE_INDEX, (index), (data)); -} - -u32 nbpcie_ind_read_index(struct device *nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBPCIE_INDEX, (index)); -} - -void nbpcie_ind_write_index(struct device *nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBPCIE_INDEX, (index), (data)); -} - -u32 htiu_read_index(struct device *nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBHTIU_INDEX, (index)); -} - -void htiu_write_index(struct device *nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBHTIU_INDEX, ((index) | 0x100), (data)); -} - -u32 nbmc_read_index(struct device *nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBMC_INDEX, (index)); -} - -void nbmc_write_index(struct device *nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBMC_INDEX, ((index) | 1 << 9), (data)); -} - -void set_nbcfg_enable_bits(struct device *nb_dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = pci_read_config32(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - pci_write_config32(nb_dev, reg_pos, reg); - } -} - -void set_nbcfg_enable_bits_8(struct device *nb_dev, u32 reg_pos, u8 mask, u8 val) -{ - u8 reg_old, reg; - reg = reg_old = pci_read_config8(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - pci_write_config8(nb_dev, reg_pos, reg); - } -} - -void set_nbmc_enable_bits(struct device *nb_dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = nbmc_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - nbmc_write_index(nb_dev, reg_pos, reg); - } -} - -void set_htiu_enable_bits(struct device *nb_dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = htiu_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - htiu_write_index(nb_dev, reg_pos, reg); - } -} - -void set_nbmisc_enable_bits(struct device *nb_dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = nbmisc_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - nbmisc_write_index(nb_dev, reg_pos, reg); - } -} - -void set_pcie_enable_bits(struct device *dev, u32 reg_pos, u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = nb_read_index(dev, NBPCIE_INDEX, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - nb_write_index(dev, NBPCIE_INDEX, reg_pos, reg); - } -} - -/* - * To access bar3 we need to program PCI MMIO 7 in K8. - * in_out: - * 1: enable/enter k8 temp mmio base - * 0: disable/restore - */ -void ProgK8TempMmioBase(u8 in_out, u32 pcie_base_add, u32 mmio_base_add) -{ - /* K8 Function1 is address map */ - struct device *k8_f1 = pcidev_on_root(0x18, 1); - struct device *k8_f0 = pcidev_on_root(0x18, 0); - - if (in_out) { - u32 dword, sblk; - - /* Get SBLink value (HyperTransport I/O Hub Link ID). */ - dword = pci_read_config32(k8_f0, 0x64); - sblk = (dword >> 8) & 0x3; - - /* Fill MMIO limit/base pair. */ - pci_write_config32(k8_f1, 0xbc, - (((pcie_base_add + 0x10000000 - - 1) >> 8) & 0xffffff00) | 0x80 | (sblk << 4)); - pci_write_config32(k8_f1, 0xb8, (pcie_base_add >> 8) | 0x3); - pci_write_config32(k8_f1, 0xb4, - (((mmio_base_add + 0x10000000 - - 1) >> 8) & 0xffffff00) | (sblk << 4)); - pci_write_config32(k8_f1, 0xb0, (mmio_base_add >> 8) | 0x3); - } else { - pci_write_config32(k8_f1, 0xb8, 0); - pci_write_config32(k8_f1, 0xbc, 0); - pci_write_config32(k8_f1, 0xb0, 0); - pci_write_config32(k8_f1, 0xb4, 0); - } -} - -void PcieReleasePortTraining(struct device *nb_dev, struct device *dev, u32 port) -{ - switch (port) { - case 2: /* GFX, bit4-5 */ - case 3: - set_nbmisc_enable_bits(nb_dev, PCIE_LINK_CFG, - 1 << (port + 2), 0 << (port + 2)); - break; - case 4: /* GPPSB, bit20-24 */ - case 5: - case 6: - case 7: - set_nbmisc_enable_bits(nb_dev, PCIE_LINK_CFG, - 1 << (port + 17), 0 << (port + 17)); - break; - case 9: /* GPP, bit 4,5 of miscind 0x2D */ - case 10: - set_nbmisc_enable_bits(nb_dev, 0x2D, - 1 << (port - 5), 0 << (port - 5)); - break; - } -} - -/* - * Output: - * 0: no device is present. - * 1: device is present and is trained. - */ -u8 PcieTrainPort(struct device *nb_dev, struct device *dev, u32 port) -{ - u16 count = 5000; - u32 lc_state, reg, current_link_width, lane_mask; - int8_t current, res = 0; - u32 gfx_gpp_sb_sel; - switch (port) { - case 2 ... 3: - gfx_gpp_sb_sel = PCIE_CORE_INDEX_GFX; - break; - case 4 ... 7: - gfx_gpp_sb_sel = PCIE_CORE_INDEX_GPPSB; - break; - case 9 ... 10: - gfx_gpp_sb_sel = PCIE_CORE_INDEX_GPP; - break; - default: - return 0; - } - - while (count--) { - mdelay(40); - udelay(200); - lc_state = nbpcie_p_read_index(dev, 0xa5); /* lc_state */ - printk(BIOS_DEBUG, "PcieLinkTraining port=%x:lc current state=%x\n", - port, lc_state); - current = lc_state & 0x3f; /* get LC_CURRENT_STATE, bit0-5 */ - - switch (current) { - case 0x00: /* 0x00-0x04 means no device is present */ - case 0x01: - case 0x02: - case 0x03: - case 0x04: - res = 0; - count = 0; - break; - case 0x06: - /* read back current link width [6:4]. */ - current_link_width = (nbpcie_p_read_index(dev, 0xA2) >> 4) & 0x7; - /* 4 means 7:4 and 15:12 - * 3 means 7:2 and 15:10 - * 2 means 7:1 and 15:9 - * ignoring the reversal case - */ - lane_mask = (0xFF << (current_link_width - 2) * 2) & 0xFF; - reg = nbpcie_ind_read_index(nb_dev, 0x65 | gfx_gpp_sb_sel); - reg |= lane_mask << 8 | lane_mask; - reg = 0xE0E0; /* TODO: See the comments in rs780_pcie.c, at about line 145. */ - nbpcie_ind_write_index(nb_dev, 0x65 | gfx_gpp_sb_sel, reg); - printk(BIOS_DEBUG, "link_width=%x, lane_mask=%x", - current_link_width, lane_mask); - set_pcie_reset(); - mdelay(1); - set_pcie_dereset(); - break; - case 0x07: /* device is in compliance state (training sequence is done). Move to train the next device */ - res = 0; - count = 0; - break; - case 0x10: - reg = pci_ext_read_config32(nb_dev, dev, PCIE_VC0_RESOURCE_STATUS); - printk(BIOS_DEBUG, "PcieTrainPort reg=0x%x\n", reg); - /* check bit1 */ - if (reg & VC_NEGOTIATION_PENDING) { /* bit1=1 means the link needs to be re-trained. */ - /* set bit8=1, bit0-2=bit4-6 */ - u32 tmp; - reg = nbpcie_p_read_index(dev, PCIE_LC_LINK_WIDTH); - tmp = (reg >> 4) & 0x07; /* get bit4-6 */ - reg &= 0xfff8; /* clear bit0-2 */ - reg += tmp; /* merge */ - reg |= 1 << 8; - nbpcie_p_write_index(dev, PCIE_LC_LINK_WIDTH, reg); - count++; /* CIM said "keep in loop"? */ - } else { - res = 1; - count = 0; - } - break; - default: /* reset pcie */ - res = 0; - count = 0; /* break loop */ - break; - } - } - return res; -} - -/* - * Compliant with CIM_33's ATINB_SetToms. - * Set Top Of Memory below and above 4G. - */ -void rs780_set_tom(struct device *nb_dev) -{ - /* set TOM */ -#if CONFIG(GFXUMA) - pci_write_config32(nb_dev, 0x90, uma_memory_base); - //nbmc_write_index(nb_dev, 0x1e, uma_memory_base); -#else - /* 1GB system memory supposed */ - pci_write_config32(nb_dev, 0x90, 0x38000000); - //nbmc_write_index(nb_dev, 0x1e, 0x38000000); -#endif -} - -// extract single bit -u32 extractbit(u32 data, int bit_number) -{ - return (data >> bit_number) & 1; -} - -// extract bit field -u32 extractbits(u32 source, int lsb, int msb) -{ - int field_width = msb - lsb + 1; - u32 mask = 0xFFFFFFFF >> (32 - field_width); - return (source >> lsb) & mask; -} - -// return AMD cpuid family -int cpuidFamily(void) -{ - u32 baseFamily, extendedFamily, fms; - - fms = cpuid_eax (1); - baseFamily = extractbits (fms, 8, 11); - extendedFamily = extractbits (fms, 20, 27); - return baseFamily + extendedFamily; -} - - -// return non-zero for AMD family 0Fh processor found -int is_family0Fh(void) -{ - return cpuidFamily() == 0x0F; -} - - -// return non-zero for AMD family 10h processor found -int is_family10h(void) -{ - return cpuidFamily() == 0x10; -} - -__weak void set_pcie_reset(void) -{ -} - -__weak void set_pcie_dereset(void) -{ -} diff --git a/src/southbridge/amd/rs780/early_setup.c b/src/southbridge/amd/rs780/early_setup.c deleted file mode 100644 index 6be6423266..0000000000 --- a/src/southbridge/amd/rs780/early_setup.c +++ /dev/null @@ -1,631 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <types.h> -#include <device/pci_ops.h> -#include <northbridge/amd/amdmct/mct/mct_d.h> -#include <console/console.h> -#include <cpu/x86/msr.h> -#include <cpu/amd/msr.h> - -#include "rev.h" -#include "rs780.h" - -#define NBHTIU_INDEX 0x94 /* Note: It is different with RS690, whose HTIU index is 0xA8 */ -#define NBMISC_INDEX 0x60 -#define NBMC_INDEX 0xE8 - -static u32 nb_read_index(pci_devfn_t dev, u32 index_reg, u32 index) -{ - pci_write_config32(dev, index_reg, index); - return pci_read_config32(dev, index_reg + 0x4); -} - -static void nb_write_index(pci_devfn_t dev, u32 index_reg, u32 index, u32 data) -{ - pci_write_config32(dev, index_reg, index /* | 0x80 */); - pci_write_config32(dev, index_reg + 0x4, data); -} - -static u32 nbmisc_read_index(pci_devfn_t nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBMISC_INDEX, (index)); -} - -static void nbmisc_write_index(pci_devfn_t nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBMISC_INDEX, ((index) | 0x80), (data)); -} - -static u32 htiu_read_index(pci_devfn_t nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBHTIU_INDEX, (index)); -} - -static void htiu_write_index(pci_devfn_t nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBHTIU_INDEX, ((index) | 0x100), (data)); -} - -static u32 nbmc_read_index(pci_devfn_t nb_dev, u32 index) -{ - return nb_read_index((nb_dev), NBMC_INDEX, (index)); -} - -static void nbmc_write_index(pci_devfn_t nb_dev, u32 index, u32 data) -{ - nb_write_index((nb_dev), NBMC_INDEX, ((index) | 1 << 9), (data)); -} - -static void set_htiu_enable_bits(pci_devfn_t nb_dev, u32 reg_pos, u32 mask, - u32 val) -{ - u32 reg_old, reg; - reg = reg_old = htiu_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - htiu_write_index(nb_dev, reg_pos, reg); - } -} - -static void set_nbmisc_enable_bits(pci_devfn_t nb_dev, u32 reg_pos, u32 mask, - u32 val) -{ - u32 reg_old, reg; - reg = reg_old = nbmisc_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - nbmisc_write_index(nb_dev, reg_pos, reg); - } -} - -static void set_nbcfg_enable_bits(pci_devfn_t nb_dev, u32 reg_pos, u32 mask, - u32 val) -{ - u32 reg_old, reg; - reg = reg_old = pci_read_config32(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - pci_write_config32(nb_dev, reg_pos, reg); - } -} -/* family 10 only, for reg > 0xFF */ -#if CONFIG(NORTHBRIDGE_AMD_AMDFAM10) -static void set_fam10_ext_cfg_enable_bits(pci_devfn_t fam10_dev, u32 reg_pos, - u32 mask, u32 val) -{ - u32 reg_old, reg; - reg = reg_old = Get_NB32(fam10_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - Set_NB32(fam10_dev, reg_pos, reg); - } -} -#else -#define set_fam10_ext_cfg_enable_bits(a, b, c, d) do {} while (0) -#endif - - -static void set_nbcfg_enable_bits_8(pci_devfn_t nb_dev, u32 reg_pos, u8 mask, - u8 val) -{ - u8 reg_old, reg; - reg = reg_old = pci_read_config8(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - pci_write_config8(nb_dev, reg_pos, reg); - } -} - -static void set_nbmc_enable_bits(pci_devfn_t nb_dev, u32 reg_pos, u32 mask, - u32 val) -{ - u32 reg_old, reg; - reg = reg_old = nbmc_read_index(nb_dev, reg_pos); - reg &= ~mask; - reg |= val; - if (reg != reg_old) { - nbmc_write_index(nb_dev, reg_pos, reg); - } -} - -static u8 is_famly10(void) -{ - return (cpuid_eax(1) & 0xff00000) != 0; -} - -#if CONFIG(NORTHBRIDGE_AMD_AMDFAM10) -static u8 l3_cache(void) -{ - return (cpuid_edx(0x80000006) & (0x3FFF << 18)) != 0; -} - -static u8 cpu_core_number(void) -{ - return (cpuid_ecx(0x80000008) & 0xFF) + 1; -} -#endif - -/***************************************** - * Init HT link speed/width for rs780 -- k8 link - * 1: Check CPU Family, Family10? - * 2: Get CPU's HT speed and width - * 3: Decide HT mode 1 or 3 by HT Speed. >1GHz: HT3, else HT1 - *****************************************/ -static const u8 rs780_ibias[] = { - /* 1, 3 are reserved. */ - [0x0] = 0x4C, /* 200MHz HyperTransport 1 only */ - [0x2] = 0x4C, /* 400MHz HyperTransport 1 only */ - [0x4] = 0xB6, /* 600MHz HyperTransport 1 only */ - [0x5] = 0x4C, /* 800MHz HyperTransport 1 only */ - [0x6] = 0x9D, /* 1GHz HyperTransport 1 only */ - /* HT3 for Family 10 */ - [0x7] = 0xB6, /* 1.2GHz HyperTransport 3 only */ - [0x8] = 0x2B, /* 1.4GHz HyperTransport 3 only */ - [0x9] = 0x4C, /* 1.6GHz HyperTransport 3 only */ - [0xa] = 0x6C, /* 1.8GHz HyperTransport 3 only */ - [0xb] = 0x9D, /* 2.0GHz HyperTransport 3 only */ - [0xc] = 0xAD, /* 2.2GHz HyperTransport 3 only */ - [0xd] = 0xB6, /* 2.4GHz HyperTransport 3 only */ - [0xe] = 0xC6, /* 2.6GHz HyperTransport 3 only */ -}; - -void rs780_htinit(void) -{ - /* - * About HT, it has been done in enumerate_ht_chain(). - */ - pci_devfn_t cpu_f0, rs780_f0, clk_f1; - u32 reg; - u8 cpu_ht_freq, ibias; - - cpu_f0 = PCI_DEV(0, 0x18, 0); - /************************ - * get cpu's ht freq, in cpu's function 0, offset 0x88 - * bit11-8, specifics the maximum operation frequency of the link's transmitter clock. - * The link frequency field (Frq) is cleared by cold reset. SW can write a nonzero - * value to this reg, and that value takes effect on the next warm reset or - * LDTSTOP_L disconnect sequence. - * please see the table rs780_ibias about the value and its corresponding frequency. - ************************/ - reg = pci_read_config32(cpu_f0, 0x88); - cpu_ht_freq = (reg & 0xf00) >> 8; - printk(BIOS_INFO, "rs780_htinit cpu_ht_freq=%x.\n", cpu_ht_freq); - rs780_f0 = PCI_DEV(0, 0, 0); - //set_nbcfg_enable_bits(rs780_f0, 0xC8, 0x7<<24 | 0x7<<28, 1<<24 | 1<<28); - - clk_f1 = PCI_DEV(0, 0, 1); /* We need to make sure the F1 is accessible. */ - - ibias = rs780_ibias[cpu_ht_freq]; - - /* If HT freq>1GHz, we assume the CPU is fam10, else it is K8. - * Is it appropriate? - * Frequency is 1GHz, i.e. cpu_ht_freq is 6, in most cases. - * So we check 6 only, it would be faster. */ - if ((cpu_ht_freq == 0x6) || (cpu_ht_freq == 0x5) || (cpu_ht_freq == 0x4) || - (cpu_ht_freq == 0x2) || (cpu_ht_freq == 0x0)) { - printk(BIOS_INFO, "rs780_htinit: HT1 mode\n"); - - /* HT1 mode, RPR 8.4.2 */ - /* set IBIAS code */ - set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias); - /* Optimizes chipset HT transmitter drive strength */ - set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1); - } else if ((cpu_ht_freq > 0x6) && (cpu_ht_freq < 0xf)) { - printk(BIOS_INFO, "rs780_htinit: HT3 mode\n"); - - #if CONFIG(NORTHBRIDGE_AMD_AMDFAM10) - /* HT3 mode, RPR 8.4.3 */ - set_nbcfg_enable_bits(rs780_f0, 0x9c, 0x3 << 16, 0); - - /* set IBIAS code */ - set_nbcfg_enable_bits(clk_f1, 0xD8, 0x3FF, ibias); - /* Optimizes chipset HT transmitter drive strength */ - set_htiu_enable_bits(rs780_f0, 0x2A, 0x3, 0x1); - /* Enables error-retry mode */ - set_nbcfg_enable_bits(rs780_f0, 0x44, 0x1, 0x1); - /* Enables scrambling and Disables command throttling */ - set_nbcfg_enable_bits(rs780_f0, 0xac, (1 << 3) | (1 << 14), (1 << 3) | (1 << 14)); - /* Enables transmitter de-emphasis */ - set_nbcfg_enable_bits(rs780_f0, 0xa4, 1 << 31, 1 << 31); - /* Enables transmitter de-emphasis level */ - /* Sets training 0 time */ - set_nbcfg_enable_bits(rs780_f0, 0xa0, 0x3F, 0x14); - - /* Enables strict TM4 detection */ - set_htiu_enable_bits(rs780_f0, 0x15, 0x1 << 22, 0x1 << 22); - /* Enables proper DLL reset sequence */ - set_htiu_enable_bits(rs780_f0, 0x16, 0x1 << 10, 0x1 << 10); - - /* HyperTransport 3 Processor register settings to be done in northbridge */ - /* Enables error-retry mode */ - set_fam10_ext_cfg_enable_bits(cpu_f0, 0x130, 1 << 0, 1 << 0); - /* Enables scrambling */ - set_fam10_ext_cfg_enable_bits(cpu_f0, 0x170, 1 << 3, 1 << 3); - /* Enables transmitter de-emphasis - * This depends on the PCB design and the trace */ - /* TODO: */ - /* Disables command throttling */ - set_fam10_ext_cfg_enable_bits(cpu_f0, 0x168, 1 << 10, 1 << 10); - /* Sets Training 0 Time. See T0Time table for encodings */ - set_fam10_ext_cfg_enable_bits(cpu_f0, 0x16C, 0x3F, 0x20); - /* TODO: */ - #endif /* CONFIG_NORTHBRIDGE_AMD_AMDFAM10 */ - } -} - -#if !CONFIG(NORTHBRIDGE_AMD_AMDFAM10) -/******************************************************* -* Optimize k8 with UMA. -* See BKDG_NPT_0F guide for details. -* The processor node is addressed by its Node ID on the HT link and can be -* accessed with a device number in the PCI configuration space on Bus0. -* The Node ID 0 is mapped to Device 24 (0x18), the Node ID 1 is mapped -* to Device 25, and so on. -* The processor implements configuration registers in PCI configuration -* space using the following four headers -* Function0: HT technology configuration -* Function1: Address map configuration -* Function2: DRAM and HT technology Trace mode configuration -* Function3: Miscellaneous configuration -*******************************************************/ -static void k8_optimization(void) -{ - pci_devfn_t k8_f0, k8_f2, k8_f3; - msr_t msr; - - printk(BIOS_INFO, "k8_optimization()\n"); - k8_f0 = PCI_DEV(0, 0x18, 0); - k8_f2 = PCI_DEV(0, 0x18, 2); - k8_f3 = PCI_DEV(0, 0x18, 3); - - /* 8.6.6 K8 Buffer Allocation Settings */ - pci_write_config32(k8_f0, 0x90, 0x01700169); /* CIM NPT_Optimization */ - set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 28, 0 << 28); - set_nbcfg_enable_bits(k8_f0, 0x68, 3 << 26, 3 << 26); - set_nbcfg_enable_bits(k8_f0, 0x68, 1 << 11, 1 << 11); - /* set_nbcfg_enable_bits(k8_f0, 0x84, 1 << 11 | 1 << 13 | 1 << 15, 1 << 11 | 1 << 13 | 1 << 15); */ /* TODO */ - - pci_write_config32(k8_f3, 0x70, 0x51220111); - pci_write_config32(k8_f3, 0x74, 0x50404021); - pci_write_config32(k8_f3, 0x78, 0x08002A00); - if (pci_read_config32(k8_f3, 0xE8) & 0x3<<12) - pci_write_config32(k8_f3, 0x7C, 0x0000211A); /* dual core */ - else - pci_write_config32(k8_f3, 0x7C, 0x0000212B); /* single core */ - set_nbcfg_enable_bits_8(k8_f3, 0xDC, 0xFF, 0x25); - - set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5); - set_nbcfg_enable_bits(k8_f2, 0x94, 0xF << 24, 7 << 24); - set_nbcfg_enable_bits(k8_f2, 0x90, 1 << 10, 0 << 10); - set_nbcfg_enable_bits(k8_f2, 0xA0, 3 << 2, 3 << 2); - set_nbcfg_enable_bits(k8_f2, 0xA0, 1 << 5, 1 << 5); - - msr = rdmsr(NB_CFG_MSR); - msr.lo &= ~(1 << 9); - msr.hi &= ~(1 << 4); - wrmsr(NB_CFG_MSR, msr); -} -#else -#define k8_optimization() do {} while (0) -#endif /* !CONFIG_NORTHBRIDGE_AMD_AMDFAM10 */ - -#if CONFIG(NORTHBRIDGE_AMD_AMDFAM10) -static void fam10_optimization(void) -{ - pci_devfn_t cpu_f0, cpu_f2, cpu_f3; - u32 val; - - printk(BIOS_INFO, "fam10_optimization()\n"); - - cpu_f0 = PCI_DEV(0, 0x18, 0); - cpu_f2 = PCI_DEV(0, 0x18, 2); - cpu_f3 = PCI_DEV(0, 0x18, 3); - - /* 8.6.4.1 */ - /* Table 8-13 */ - pci_write_config32(cpu_f0, 0x90, 0x808502D0); - /* Table 8-14 */ - pci_write_config32(cpu_f0, 0x94, 0x00000000); - - /* Table 8-15 */ - val = pci_read_config32(cpu_f0, 0x68); - val |= 1 << 24; - pci_write_config32(cpu_f0, 0x68, val); - - /* Table 8-16 */ - val = pci_read_config32(cpu_f0, 0x84); - val &= ~(1 << 12); - pci_write_config32(cpu_f0, 0x84, val); - - /* Table 8-17 */ - val = pci_read_config32(cpu_f2, 0x90); - val &= ~(1 << 10); - pci_write_config32(cpu_f2, 0x90, val); - - /* Table 8-18 */ - pci_write_config32(cpu_f3, 0x6C, 0x60018051); - /* Table 8-19 */ - pci_write_config32(cpu_f3, 0x70, 0x60321151); - /* Table 8-20 */ - pci_write_config32(cpu_f3, 0x74, 0x00980101); - /* Table 8-21 */ - pci_write_config32(cpu_f3, 0x78, 0x00200C14); - /* Table 8-22 */ - pci_write_config32(cpu_f3, 0x7C, 0x00070811); /* TODO: Check if L3 Cache is enabled. */ - - /* Table 8-23 */ - Set_NB32(cpu_f3, 0x140, 0x00D33656); - /* Table 8-24 */ - Set_NB32(cpu_f3, 0x144, 0x00000036); - /* Table 8-25 */ - Set_NB32(cpu_f3, 0x148, 0x8000832A); - /* Table 8-26 */ - Set_NB32(cpu_f3, 0x158, 0); - /* L3 Disabled: L3 Enabled: */ - /* cores: 2 3 4 2 3 4 */ - /* bit8:4 28 26 24 24 20 16 */ - if (!l3_cache()) { - Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (24 + 2*(4-cpu_core_number())) << 4 | 2); - } else { - Set_NB32(cpu_f3, 0x1A0, 4 << 12 | (16 + 4*(4-cpu_core_number())) << 4 | 4); - } -} -#else -#define fam10_optimization() do {} while (0) -#endif /* CONFIG_NORTHBRIDGE_AMD_AMDFAM10 */ - -/***************************************** -* rs780_por_pcicfg_init() -*****************************************/ -static void rs780_por_pcicfg_init(pci_devfn_t nb_dev) -{ - /* enable PCI Memory Access */ - set_nbcfg_enable_bits_8(nb_dev, 0x04, (u8)(~0xFD), 0x02); - /* Set RCRB Enable */ - set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x1); - /* allow decode of 640k-1MB */ - set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xEF), 0x10); - /* Enable PM2_CNTL(BAR2) IO mapped cfg write access to be broadcast to both NB and SB */ - set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x4); - /* Power Management Register Enable */ - set_nbcfg_enable_bits_8(nb_dev, 0x84, (u8)(~0xFF), 0x80); - - /* Reg4Ch[1]=1 (APIC_ENABLE) force CPU request with address 0xFECx_xxxx to south-bridge - * Reg4Ch[6]=1 (BMMsgEn) enable BM_Set message generation - * BMMsgEn */ - set_nbcfg_enable_bits_8(nb_dev, 0x4C, (u8)(~0x00), 0x42 | 1); - - /* Reg4Ch[16]=1 (WakeC2En) enable Wake_from_C2 message generation. - * Reg4Ch[18]=1 (P4IntEnable) Enable north-bridge to accept MSI with address 0xFEEx_xxxx from south-bridge */ - set_nbcfg_enable_bits_8(nb_dev, 0x4E, (u8)(~0xFF), 0x05); - /* Reg94h[4:0] = 0x0 P drive strength offset 0 - * Reg94h[6:5] = 0x2 P drive strength additive adjust */ - set_nbcfg_enable_bits_8(nb_dev, 0x94, (u8)(~0x80), 0x40); - - /* Reg94h[20:16] = 0x0 N drive strength offset 0 - * Reg94h[22:21] = 0x2 N drive strength additive adjust */ - set_nbcfg_enable_bits_8(nb_dev, 0x96, (u8)(~0x80), 0x40); - - /* Reg80h[4:0] = 0x0 Termination offset - * Reg80h[6:5] = 0x2 Termination additive adjust */ - set_nbcfg_enable_bits_8(nb_dev, 0x80, (u8)(~0x80), 0x40); - - /* Reg80h[14] = 0x1 Enable receiver termination control */ - set_nbcfg_enable_bits_8(nb_dev, 0x81, (u8)(~0xFF), 0x40); - - /* Reg94h[15] = 0x1 Enables HT transmitter advanced features to be turned on - * Reg94h[14] = 0x1 Enable drive strength control */ - set_nbcfg_enable_bits_8(nb_dev, 0x95, (u8)(~0x3F), 0xC4); - - /* Reg94h[31:29] = 0x7 Enables HT transmitter de-emphasis */ - set_nbcfg_enable_bits_8(nb_dev, 0x97, (u8)(~0x1F), 0xE0); - - /* Reg8Ch[9] enables Gfx Debug BAR programming - * Reg8Ch[10] enables Gfx Debug BAR operation - * Enable programming of the debug bar now, but enable - * operation only after it has been programmed */ - set_nbcfg_enable_bits_8(nb_dev, 0x8D, (u8)(~0xFF), 0x02); -} - -static void rs780_por_mc_index_init(pci_devfn_t nb_dev) -{ - set_nbmc_enable_bits(nb_dev, 0x7A, ~0xFFFFFF80, 0x0000005F); - set_nbmc_enable_bits(nb_dev, 0xD8, ~0x00000000, 0x00600060); - set_nbmc_enable_bits(nb_dev, 0xD9, ~0x00000000, 0x00600060); - set_nbmc_enable_bits(nb_dev, 0xE0, ~0x00000000, 0x00000000); - set_nbmc_enable_bits(nb_dev, 0xE1, ~0x00000000, 0x00000000); - set_nbmc_enable_bits(nb_dev, 0xE8, ~0x00000000, 0x003E003E); - set_nbmc_enable_bits(nb_dev, 0xE9, ~0x00000000, 0x003E003E); -} - -static void rs780_por_misc_index_init(pci_devfn_t nb_dev) -{ - /* NB_MISC_IND_WR_EN + IOC_PCIE_CNTL - * Block non-snoop DMA request if PMArbDis is set. - * Set BMSetDis */ - set_nbmisc_enable_bits(nb_dev, 0x0B, ~0xFFFF0000, 0x00000180); - set_nbmisc_enable_bits(nb_dev, 0x01, ~0xFFFFFFFF, 0x00000040); - - /* NBCFG (NBMISCIND 0x0): NB_CNTL - - * HIDE_NB_AGP_CAP ([0], default=1)HIDE - * HIDE_P2P_AGP_CAP ([1], default=1)HIDE - * HIDE_NB_GART_BAR ([2], default=1)HIDE - * AGPMODE30 ([4], default=0)DISABLE - * AGP30ENCHANCED ([5], default=0)DISABLE - * HIDE_AGP_CAP ([8], default=1)ENABLE */ - set_nbmisc_enable_bits(nb_dev, 0x00, ~0xFFFF0000, 0x00000506); /* set bit 10 for MSI */ - - /* NBMISCIND:0x6A[16]= 1 SB link can get a full swing - * set_nbmisc_enable_bits(nb_dev, 0x6A, 0ffffffffh, 000010000); - * NBMISCIND:0x6A[17]=1 Set CMGOOD_OVERRIDE. */ - set_nbmisc_enable_bits(nb_dev, 0x6A, ~0xffffffff, 0x00020000); - - /* NBMISIND:0x40 Bit[8]=1 and Bit[10]=1 following bits are required to set in order to allow LVDS or PWM features to work. */ - set_nbmisc_enable_bits(nb_dev, 0x40, ~0xffffffff, 0x00000500); - - /* NBMISIND:0xC Bit[13]=1 Enable GSM mode for C1e or C3 with pop-up. */ - set_nbmisc_enable_bits(nb_dev, 0x0C, ~0xffffffff, 0x00002000); - - /* Set NBMISIND:0x1F[3] to map NB F2 interrupt pin to INTB# */ - set_nbmisc_enable_bits(nb_dev, 0x1F, ~0xffffffff, 0x00000008); - - /* - * Enable access to DEV8 - * Enable setPower message for all ports - */ - set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6, 1 << 6); - set_nbmisc_enable_bits(nb_dev, 0x0b, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x51, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x53, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x55, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x57, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x59, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x5B, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x5D, 1 << 20, 1 << 20); - set_nbmisc_enable_bits(nb_dev, 0x5F, 1 << 20, 1 << 20); - - set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 7, 1 << 7); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x000000f0, 0x30); - - set_nbmisc_enable_bits(nb_dev, 0x01, 0xFFFFFFFF, 0x48); - /* Disable bus-master trigger event from SB and Enable set_slot_power message to SB */ - set_nbmisc_enable_bits(nb_dev, 0x0B, 0xffffffff, 0x500180); -} - -/***************************************** -* Some setting is from rpr. Some is from CIMx. -*****************************************/ -static void rs780_por_htiu_index_init(pci_devfn_t nb_dev) -{ -#if 0 /* get from rpr. */ - set_htiu_enable_bits(nb_dev, 0x1C, 0x1<<17, 0x1<<17); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<0, 0x0<<0); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<1, 0x1<<1); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<9, 0x1<<9); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<13, 0x1<<13); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<17, 0x1<<17); - set_htiu_enable_bits(nb_dev, 0x06, 0x3<<15, 0x3<<15); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<25, 0x1<<25); - set_htiu_enable_bits(nb_dev, 0x06, 0x1<<30, 0x1<<30); - - set_htiu_enable_bits(nb_dev, 0x07, 0x1<<0, 0x1<<0); - set_htiu_enable_bits(nb_dev, 0x07, 0x1<<1, 0x0<<1); - set_htiu_enable_bits(nb_dev, 0x07, 0x1<<2, 0x0<<2); - set_htiu_enable_bits(nb_dev, 0x07, 0x1<<15, 0x1<<15); - - set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<0, 0x1<<0); - set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<2, 0x2<<2); - set_htiu_enable_bits(nb_dev, 0x0C, 0x3<<4, 0x0<<4); - - /* A12 only */ - set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<4, 0x1<<4); - set_htiu_enable_bits(nb_dev, 0x2D, 0x1<<6, 0x1<<6); - set_htiu_enable_bits(nb_dev, 0x05, 0x1<<2, 0x1<<2); - - set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF); -#else /* get from CIM. It is more reliable than above. */ - set_htiu_enable_bits(nb_dev, 0x05, (1<<10|1<<9), 1<<10 | 1<<9); - set_htiu_enable_bits(nb_dev, 0x06, ~0xFFFFFFFE, 0x04203A202); - - set_htiu_enable_bits(nb_dev, 0x07, ~0xFFFFFFF9, 0x8001/* | 7 << 8 */); /* fam 10 */ - - set_htiu_enable_bits(nb_dev, 0x15, ~0xFFFFFFFF, 1<<31| 1<<30 | 1<<27); - set_htiu_enable_bits(nb_dev, 0x1C, ~0xFFFFFFFF, 0xFFFE0000); - - set_htiu_enable_bits(nb_dev, 0x4B, (1<<11), 1<<11); - - set_htiu_enable_bits(nb_dev, 0x0C, ~0xFFFFFFC0, 1<<0|1<<3); - - set_htiu_enable_bits(nb_dev, 0x17, (1<<27|1<<1), 0x1<<1); - set_htiu_enable_bits(nb_dev, 0x17, 0x1 << 30, 0x1<<30); - - set_htiu_enable_bits(nb_dev, 0x19, (0xFFFFF+(1<<31)), 0x186A0+(1<<31)); - - set_htiu_enable_bits(nb_dev, 0x16, (0x3F<<10), 0x7<<10); - - set_htiu_enable_bits(nb_dev, 0x23, 0xFFFFFFF, 1<<28); - - set_htiu_enable_bits(nb_dev, 0x1E, 0xFFFFFFFF, 0xFFFFFFFF); -#endif -} - -/***************************************** -* Configure RS780 registers to power-on default RPR. -* POR: Power On Reset -* RPR: Register Programming Requirements -*****************************************/ -static void rs780_por_init(pci_devfn_t nb_dev) -{ - printk(BIOS_INFO, "rs780_por_init\n"); - /* ATINB_PCICFG_POR_TABLE, initialize the values for rs780 PCI Config registers */ - rs780_por_pcicfg_init(nb_dev); - - /* ATINB_MCIND_POR_TABLE */ - rs780_por_mc_index_init(nb_dev); - - /* ATINB_MISCIND_POR_TABLE */ - rs780_por_misc_index_init(nb_dev); - - /* ATINB_HTIUNBIND_POR_TABLE */ - rs780_por_htiu_index_init(nb_dev); - - /* ATINB_CLKCFG_PORT_TABLE */ - /* rs780 A11 SB Link full swing? */ - - /* SET NB_MISC_REG01 BIT8 to Enable HDMI, reference CIMX_5_9_3 NBPOR_InitPOR(), - * then the accesses to internal graphics IO space 0x60/0x64, are forwarded to - * nbconfig:0x60/0x64 - */ - - set_nbmisc_enable_bits(nb_dev, 0x01, ~(1 << 8), (1 << 8)); -} - -/* enable CFG access to Dev8, which is the SB P2P Bridge */ -void enable_rs780_dev8(void) -{ - set_nbmisc_enable_bits(PCI_DEV(0, 0, 0), 0x00, 1 << 6, 1 << 6); -} - -void rs780_early_setup(void) -{ - pci_devfn_t nb_dev = PCI_DEV(0, 0, 0); - printk(BIOS_INFO, "rs780_early_setup()\n"); - - /* The printk(BIOS_INFO, s) below cause the system unstable. */ - switch (get_nb_rev(nb_dev)) { - case REV_RS780_A11: - /* printk(BIOS_INFO, "NB Revision is A11.\n"); */ - break; - case REV_RS780_A12: - /* printk(BIOS_INFO, "NB Revision is A12.\n"); */ - break; - case REV_RS780_A13: - /* printk(BIOS_INFO, "NB Revision is A13.\n"); */ - break; - } - - if (is_famly10()) - fam10_optimization(); - else - k8_optimization(); - - rs780_por_init(nb_dev); -} diff --git a/src/southbridge/amd/rs780/gfx.c b/src/southbridge/amd/rs780/gfx.c deleted file mode 100644 index ca7414a9eb..0000000000 --- a/src/southbridge/amd/rs780/gfx.c +++ /dev/null @@ -1,1572 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * for rs780 internal graphics device - * device id of internal graphics: - * RS780: 0x9610 - * RS780C: 0x9611 - * RS780M: 0x9612 - * RS780MC:0x9613 - * RS780E: 0x9615 - * RS785G: 0x9710 - just works, not much tested - * RS785C: 0x9711 - * RS785M: 0x9712 - * RS785MC:0x9713 - * RS785D: 0x9714 - */ -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include <delay.h> -#include <cpu/x86/msr.h> -#include <cpu/amd/mtrr.h> -#include "rs780.h" - -/* Trust the original resource allocation. Don't do it again. */ -#undef DONT_TRUST_RESOURCE_ALLOCATION -//#define DONT_TRUST_RESOURCE_ALLOCATION - -#define CLK_CNTL_INDEX 0x8 -#define CLK_CNTL_DATA 0xC - -/* The Integrated Info Table. */ -ATOM_INTEGRATED_SYSTEM_INFO_V2 vgainfo; - -#ifdef UNUSED_CODE -static u32 clkind_read(struct device *dev, u32 index) -{ - u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF; - - *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index & 0x7F; - return *(u32*)(gfx_bar2+CLK_CNTL_DATA); -} -#endif - -static void clkind_write(struct device *dev, u32 index, u32 data) -{ - u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF; - /* printk(BIOS_DEBUG, "gfx bar 2 %02x\n", gfx_bar2); */ - - *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index | 1<<7; - *(u32*)(gfx_bar2+CLK_CNTL_DATA) = data; -} - -/* -* pci_dev_read_resources thinks it is a IO type. -* We have to force it to mem type. -*/ -static void rs780_gfx_read_resources(struct device *dev) -{ - printk(BIOS_DEBUG, "rs780_gfx_read_resources.\n"); - - /* The initial value of 0x24 is 0xFFFFFFFF, which is confusing. - Even if we write 0xFFFFFFFF into it, it will be 0xFFF00000, - which tells us it is a memory address base. - */ - pci_write_config32(dev, 0x24, 0x00000000); - - /* Get the normal pci resources of this device */ - pci_dev_read_resources(dev); - compact_resources(dev); -} - -typedef struct _MMIORANGE -{ - u32 Base; - u32 Limit; - u8 Attribute; -} MMIORANGE; - -MMIORANGE MMIO[8], CreativeMMIO[8]; - -#define CIM_STATUS u32 -#define CIM_SUCCESS 0x00000000 -#define CIM_ERROR 0x80000000 -#define CIM_UNSUPPORTED 0x80000001 -#define CIM_DISABLEPORT 0x80000002 - -#define MMIO_ATTRIB_NP_ONLY 1 -#define MMIO_ATTRIB_BOTTOM_TO_TOP (1 << 1) -#define MMIO_ATTRIB_SKIP_ZERO (1 << 2) - -#ifdef DONT_TRUST_RESOURCE_ALLOCATION -static MMIORANGE* AllocMMIO(MMIORANGE* pMMIO) -{ - int i; - for (i = 0; i < 8; i++) { - if (pMMIO[i].Limit == 0) - return &pMMIO[i]; - } - return 0; -} - -static void FreeMMIO(MMIORANGE* pMMIO) -{ - pMMIO->Base = 0; - pMMIO->Limit = 0; -} - -static u32 SetMMIO(u32 Base, u32 Limit, u8 Attribute, MMIORANGE *pMMIO) -{ - int i; - MMIORANGE * TempRange; - for (i = 0; i < 8; i++) { - if (pMMIO[i].Attribute != Attribute && Base >= pMMIO[i].Base && Limit <= pMMIO[i].Limit) { - TempRange = AllocMMIO(pMMIO); - if (TempRange == 0) return 0x80000000; - TempRange->Base = Limit; - TempRange->Limit = pMMIO[i].Limit; - TempRange->Attribute = pMMIO[i].Attribute; - pMMIO[i].Limit = Base; - } - } - TempRange = AllocMMIO(pMMIO); - if (TempRange == 0) return 0x80000000; - TempRange->Base = Base; - TempRange->Limit = Limit; - TempRange->Attribute = Attribute; - return 0; -} - -static u8 FinalizeMMIO(MMIORANGE *pMMIO) -{ - int i, j, n = 0; - for (i = 0; i < 8; i++) { - if (pMMIO[i].Base == pMMIO[i].Limit) { - FreeMMIO(&pMMIO[i]); - continue; - } - for (j = 0; j < i; j++) { - if (i!=j && pMMIO[i].Attribute == pMMIO[j].Attribute) { - if (pMMIO[i].Base == pMMIO[j].Limit) { - pMMIO[j].Limit = pMMIO[i].Limit; - FreeMMIO(&pMMIO[i]); - } - if (pMMIO[i].Limit == pMMIO[j].Base) { - pMMIO[j].Base = pMMIO[i].Base; - FreeMMIO(&pMMIO[i]); - } - } - } - } - for (i = 0; i < 8; i++) { - if (pMMIO[i].Limit != 0) n++; - } - return n; -} - -static CIM_STATUS GetCreativeMMIO(MMIORANGE *pMMIO) -{ - CIM_STATUS Status = CIM_UNSUPPORTED; - u8 Bus, Dev, Reg, BusStart, BusEnd; - u32 Value; - struct device *dev0x14 = pcidev_on_root(0x14, 4); - struct device *tempdev; - Value = pci_read_config32(dev0x14, 0x18); - BusStart = (Value >> 8) & 0xFF; - BusEnd = (Value >> 16) & 0xFF; - for (Bus = BusStart; Bus <= BusEnd; Bus++) { - for (Dev = 0; Dev <= 0x1f; Dev++) { - tempdev = dev_find_slot(Bus, Dev << 3); - Value = pci_read_config32(tempdev, 0); - printk(BIOS_DEBUG, "Dev ID %x\n", Value); - if ((Value & 0xffff) == 0x1102) {//Creative - //Found Creative SB - u32 MMIOStart = 0xffffffff; - u32 MMIOLimit = 0; - for (Reg = 0x10; Reg < 0x20; Reg+=4) { - u32 BaseA, LimitA; - BaseA = pci_read_config32(tempdev, Reg); - Value = BaseA; - if (!(Value & 0x01)) { - Value = Value & 0xffffff00; - if (Value != 0) { - if (MMIOStart > Value) - MMIOStart = Value; - LimitA = 0xffffffff; - //WritePCI(PciAddress,AccWidthUint32,&LimitA); - pci_write_config32(tempdev, Reg, LimitA); - //ReadPCI(PciAddress,AccWidthUint32,&LimitA); - LimitA = pci_read_config32(tempdev, Reg); - LimitA = Value + (~LimitA + 1); - //WritePCI(PciAddress,AccWidthUint32,&BaseA); - pci_write_config32(tempdev, Reg, BaseA); - if (LimitA > MMIOLimit) - MMIOLimit = LimitA; - } - } - } - printk(BIOS_DEBUG, " MMIOStart %x MMIOLimit %x\n", MMIOStart, MMIOLimit); - if (MMIOStart < MMIOLimit) - { - Status = SetMMIO(MMIOStart>>8, MMIOLimit>>8, 0x80, pMMIO); - if (Status == CIM_ERROR) return Status; - } - } - } - } - if (Status == CIM_SUCCESS) { - //Lets optimize MMIO - if (FinalizeMMIO(pMMIO) > 4) { - Status = CIM_ERROR; - } - } - - return Status; -} - -static void ProgramMMIO(MMIORANGE *pMMIO, u8 LinkID, u8 Attribute) -{ - int i, j, n = 7; - struct device *k8_f1; - - k8_f1 = pcidev_on_root(0x18, 1); - - for (i = 0; i < 8; i++) { - int k = 0, MmioReg; - u32 Base = 0; - u32 Limit = 0; - for (j = 0; j < 8; j++) { - if (Base < pMMIO[j].Base) { - Base = pMMIO[j].Base; - k = j; - } - } - if (pMMIO[k].Limit != 0) { - if (Attribute & MMIO_ATTRIB_NP_ONLY && pMMIO[k].Attribute == 0) { - Base = 0; - } - else - { - Base = pMMIO[k].Base | 0x3; - Limit= ((pMMIO[k].Limit - 1) & 0xffffff00) | pMMIO[k].Attribute | (LinkID << 4); - } - FreeMMIO(&pMMIO[k]); - } - if (Attribute & MMIO_ATTRIB_SKIP_ZERO && Base == 0 && Limit == 0) continue; - MmioReg = (Attribute & MMIO_ATTRIB_BOTTOM_TO_TOP)?n:(7-n); - n--; - //RWPCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,0x0,0x0); - pci_write_config32(k8_f1, 0x80+MmioReg*8, 0); - - //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x84+MmioReg*8),AccWidthUint32 |S3_SAVE,&Limit); - pci_write_config32(k8_f1, 0x84+MmioReg*8, Limit); - - //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,&Base); - pci_write_config32(k8_f1, 0x80+MmioReg*8, Base); - } -} -#endif - -#define GFX_CONFIG_DDI1 0x04 -#define GFX_CONFIG_DDI2 0x08 -#define GFX_CONFIG_DDI (GFX_CONFIG_DDI1 | GFX_CONFIG_DDI2) - -/** - * Force poweron pads for lanes used for DDI - * reference CIMx PCIEL_PowerOnDDILanes() - * - * Inactive B_PRX_PDNB_FDIS B_PTX_PDNB_FDIS - * Lanes - * Lanes 0-1 Bit 8 Bit 0 - * Lanes 2-3 Bit 9 Bit 1 - * Lanes 4-5 Bit 10 Bit 2 - * Lanes 6-7 Bit 11 Bit 3 - * Lanes 8-9 Bit 12 Bit 4 - * Lanes 10-11 Bit 13 Bit 5 - * Lanes 12-13 Bit 14 Bit 6 - * Lanes 14-15 Bit 15 Bit 7 - */ -static void poweron_ddi_lanes(struct device *nb_dev) -{ - u8 i; - u32 gfx_cfg = 0; - u32 ddi_pads = 0; - - ddi_pads = ~(nbpcie_ind_read_index(nb_dev, 0x65)); /* save original setting */ - gfx_cfg = nbmisc_read_index(nb_dev, 0x74); - for (i = 0; i < 3; i++) { - if (gfx_cfg & GFX_CONFIG_DDI) { - ddi_pads |= (3 << (i * 2)); - } - gfx_cfg >>= 8; - } - ddi_pads |= ddi_pads << 8; /* both TX and RX */ - nbpcie_ind_write_index(nb_dev, 0x65, ~ddi_pads); -} - -static void internal_gfx_pci_dev_init(struct device *dev) -{ - unsigned char *bpointer; - volatile u32 *GpuF0MMReg; - volatile u32 *pointer; - int i; - u16 command; - u32 value; - u16 deviceid, vendorid; - struct device *nb_dev = pcidev_on_root(0x0, 0); - struct device *k8_f2 = pcidev_on_root(0x18, 2); - struct device *k8_f0 = pcidev_on_root(0x18, 0); - static const u8 ht_freq_lookup [] = {2, 0, 4, 0, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 0, 0, 28, 30, 32}; - static const u8 ht_width_lookup [] = {8, 16, 0, 0, 2, 4, 0, 0}; - static const u16 memclk_lookup_fam0F [] = {100, 0, 133, 0, 0, 166, 0, 200}; - static const u16 memclk_lookup_fam10 [] = {200, 266, 333, 400, 533, 667, 800, 800}; - - /* We definitely will use this in future. Just leave it here. */ - /*struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)dev->chip_info;*/ - - deviceid = pci_read_config16(dev, PCI_DEVICE_ID); - vendorid = pci_read_config16(dev, PCI_VENDOR_ID); - printk(BIOS_DEBUG, "internal_gfx_pci_dev_init device=%x, vendor=%x.\n", - deviceid, vendorid); - - command = pci_read_config16(dev, 0x04); - command |= 0x7; - pci_write_config16(dev, 0x04, command); - - /* Clear vgainfo. */ - bpointer = (unsigned char *) &vgainfo; - for (i = 0; i < sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i++) { - *bpointer = 0; - bpointer++; - } - - GpuF0MMReg = (u32 *)pci_read_config32(dev, 0x18); - - /* GFX_InitFBAccess. */ - value = nbmc_read_index(nb_dev, 0x10); - *(GpuF0MMReg + 0x2000/4) = 0x11; - *(GpuF0MMReg + 0x2180/4) = ((value&0xff00)>>8)|((value&0xff000000)>>8); - *(GpuF0MMReg + 0x2c04/4) = ((value&0xff00)<<8); - *(GpuF0MMReg + 0x5428/4) = ((value&0xffff0000)+0x10000)-((value&0xffff)<<16); - *(GpuF0MMReg + 0xF774/4) = 0xffffffff; - *(GpuF0MMReg + 0xF770/4) = 0x00000001; - *(GpuF0MMReg + 0x2000/4) = 0x00000011; - *(GpuF0MMReg + 0x200c/4) = 0x00000020; - *(GpuF0MMReg + 0x2010/4) = 0x10204810; - *(GpuF0MMReg + 0x2010/4) = 0x00204810; - *(GpuF0MMReg + 0x2014/4) = 0x10408810; - *(GpuF0MMReg + 0x2014/4) = 0x00408810; - *(GpuF0MMReg + 0x2414/4) = 0x00000080; - *(GpuF0MMReg + 0x2418/4) = 0x84422415; - *(GpuF0MMReg + 0x2418/4) = 0x04422415; - *(GpuF0MMReg + 0x5490/4) = 0x00000001; - *(GpuF0MMReg + 0x7de4/4) |= (1<<3) | (1<<4); - /* Force allow LDT_STOP Cool'n'Quiet workaround. */ - *(GpuF0MMReg + 0x655c/4) |= 1<<4; - - // disable write combining, needed for stability - // reference bios does this only for RS780 rev A11 - // need to figure out why we need it for all revs - *(GpuF0MMReg + 0x2000/4) = 0x00000010; - *(GpuF0MMReg + 0x2408/4) = 1 << 9; - *(GpuF0MMReg + 0x2000/4) = 0x00000011; - - /* GFX_InitFBAccess finished. */ - -#if CONFIG(GFXUMA) /* for UMA mode. */ - /* GFX_StartMC. */ - set_nbmc_enable_bits(nb_dev, 0x02, 0x00000000, 0x80000000); - set_nbmc_enable_bits(nb_dev, 0x01, 0x00000000, 0x00000001); - set_nbmc_enable_bits(nb_dev, 0x01, 0x00000000, 0x00000004); - set_nbmc_enable_bits(nb_dev, 0x01, 0x00040000, 0x00000000); - set_nbmc_enable_bits(nb_dev, 0xB1, 0xFFFF0000, 0x00000040); - set_nbmc_enable_bits(nb_dev, 0xC3, 0x00000000, 0x00000001); - set_nbmc_enable_bits(nb_dev, 0x07, 0xFFFFFFFF, 0x00000018); - set_nbmc_enable_bits(nb_dev, 0x06, 0xFFFFFFFF, 0x00000102); - set_nbmc_enable_bits(nb_dev, 0x09, 0xFFFFFFFF, 0x40000008); - set_nbmc_enable_bits(nb_dev, 0x06, 0x00000000, 0x80000000); - /* GFX_StartMC finished. */ -#else - /* for SP mode. */ - set_nbmc_enable_bits(nb_dev, 0xaa, 0xf0, 0x30); - set_nbmc_enable_bits(nb_dev, 0xce, 0xf0, 0x30); - set_nbmc_enable_bits(nb_dev, 0xca, 0xff000000, 0x47000000); - set_nbmc_enable_bits(nb_dev, 0xcb, 0x3f000000, 0x01000000); - set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<0); - set_nbmc_enable_bits(nb_dev, 0x04, 0, 1<<31); - set_nbmc_enable_bits(nb_dev, 0xb4, 0x3f, 0x3f); - set_nbmc_enable_bits(nb_dev, 0xb4, 0, 1<<6); - set_nbmc_enable_bits(nb_dev, 0xc3, 1<<11, 0); - set_nbmc_enable_bits(nb_dev, 0xa0, 1<<29, 0); - nbmc_write_index(nb_dev, 0xa4, 0x3484576f); - nbmc_write_index(nb_dev, 0xa5, 0x222222df); - nbmc_write_index(nb_dev, 0xa6, 0x00000000); - nbmc_write_index(nb_dev, 0xa7, 0x00000000); - set_nbmc_enable_bits(nb_dev, 0xc3, 1<<8, 0); - udelay(10); - set_nbmc_enable_bits(nb_dev, 0xc3, 1<<9, 0); - udelay(10); - set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<2); - udelay(200); - set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<3); - set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<31); - udelay(500); - set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<31); - set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<30); - set_nbmc_enable_bits(nb_dev, 0xa0, 1<<31, 0); - set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<29); - nbmc_write_index(nb_dev, 0xa4, 0x23484576); - nbmc_write_index(nb_dev, 0xa5, 0x00000000); - nbmc_write_index(nb_dev, 0xa6, 0x00000000); - nbmc_write_index(nb_dev, 0xa7, 0x00000000); - /* GFX_StartMC finished. */ - - /* GFX_SPPowerManagment, don't care for new. */ - /* Post MC Init table programming. */ - set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b); - - /* Do we need Write and Read Calibration? */ - /* GFX_Init finished. */ -#endif - - /* GFX_InitIntegratedInfo. */ - /* fill the Integrated Info Table. */ - vgainfo.sHeader.usStructureSize = sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); - vgainfo.sHeader.ucTableFormatRevision = 1; - vgainfo.sHeader.ucTableContentRevision = 2; - -#if !CONFIG(GFXUMA) /* SP mode. */ - // Side port support is incomplete, do not use it - // These parameters must match the motherboard - vgainfo.ulBootUpSidePortClock = 667*100; - vgainfo.ucMemoryType = 3; // 3 = ddr3 sp mem, 2 = ddr2 sp mem - vgainfo.ulMinSidePortClock = 333*100; -#endif - - vgainfo.ulBootUpEngineClock = 500 * 100; // setup option on reference BIOS, 500 is default - - // find the DDR memory frequency - if (is_family10h()) { - value = pci_read_config32(k8_f2, 0x94); // read channel 0 DRAM Configuration High Register - if (extractbit(value, 14)) // if channel 0 disabled, channel 1 must have memory - value = pci_read_config32(k8_f2, 0x194);// read channel 1 DRAM Configuration High Register - vgainfo.ulBootUpUMAClock = memclk_lookup_fam10 [extractbits (value, 0, 2)] * 100; - } - if (is_family0Fh()) { - value = pci_read_config32(k8_f2, 0x94); - vgainfo.ulBootUpUMAClock = memclk_lookup_fam0F [extractbits (value, 20, 22)] * 100; - } - - /* UMA Channel Number: 1 or 2. */ - vgainfo.ucUMAChannelNumber = 1; - if (is_family0Fh()) { - value = pci_read_config32(k8_f2, 0x90); - if (extractbit(value, 11)) // 128-bit mode - vgainfo.ucUMAChannelNumber = 2; - } - if (is_family10h()) { - u32 dch0 = pci_read_config32(k8_f2, 0x94); - u32 dch1 = pci_read_config32(k8_f2, 0x194); - if (extractbit(dch0, 14) == 0 && extractbit(dch1, 14) == 0) { // both channels enabled - value = pci_read_config32(k8_f2, 0x110); - if (extractbit(value, 4)) // ganged mode - vgainfo.ucUMAChannelNumber = 2; - } - } - - // processor type - if (is_family0Fh()) - vgainfo.ulCPUCapInfo = 3; - if (is_family10h()) - vgainfo.ulCPUCapInfo = 2; - - /* HT speed */ - value = pci_read_config8(nb_dev, 0xd1); - value = ht_freq_lookup [value] * 100; // HT link frequency in MHz - vgainfo.ulHTLinkFreq = value * 100; // HT frequency in units of 100 MHz - vgainfo.ulHighVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; - vgainfo.ulLowVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; - - if (value <= 1800) - vgainfo.ulLowVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; - else { - int sblink, cpuLnkFreqCap, nbLnkFreqCap; - value = pci_read_config32(k8_f0, 0x64); - sblink = extractbits(value, 8, 10); - cpuLnkFreqCap = pci_read_config16(k8_f0, 0x8a + sblink * 0x20); - nbLnkFreqCap = pci_read_config16(nb_dev, 0xd2); - if (cpuLnkFreqCap & nbLnkFreqCap & (1 << 10)) // if both 1800 MHz capable - vgainfo.ulLowVoltageHTLinkFreq = 1800*100; - } - - /* HT width. */ - value = pci_read_config8(nb_dev, 0xcb); - vgainfo.usMinDownStreamHTLinkWidth = - vgainfo.usMaxDownStreamHTLinkWidth = - vgainfo.usMinUpStreamHTLinkWidth = - vgainfo.usMaxUpStreamHTLinkWidth = - vgainfo.usMinHTLinkWidth = - vgainfo.usMaxHTLinkWidth = ht_width_lookup [extractbits(value, 0, 2)]; - - if (is_family0Fh()) { - vgainfo.usUMASyncStartDelay = 322; - vgainfo.usUMADataReturnTime = 286; - } - - if (is_family10h()) { - static u16 t0mult_lookup [] = {10, 50, 200, 2000}; - int t0time, t0scale; - value = pci_read_config32(k8_f0, 0x16c); - t0time = extractbits(value, 0, 3); - t0scale = extractbits(value, 4, 5); - vgainfo.usLinkStatusZeroTime = t0mult_lookup [t0scale] * t0time; - vgainfo.usUMASyncStartDelay = 100; - if (vgainfo.ulHTLinkFreq < 1000 * 100) { // less than 1000 MHz - vgainfo.usUMADataReturnTime = 300; - vgainfo.usLinkStatusZeroTime = 6 * 100; // 6us for GH in HT1 mode - } - else { - int lssel; - value = pci_read_config32(nb_dev, 0xac); - lssel = extractbits (value, 7, 8); - vgainfo.usUMADataReturnTime = 1300; - if (lssel == 0) vgainfo.usUMADataReturnTime = 150; - } - } - - /* Poweron DDI Lanes */ - poweron_ddi_lanes(nb_dev); - - printk(BIOS_DEBUG,"vgainfo:\n" - " ulBootUpEngineClock:%lu\n" - " ulBootUpUMAClock:%lu\n" - " ulBootUpSidePortClock:%lu\n" - " ulMinSidePortClock:%lu\n" - " ulSystemConfig:%lu\n" - " ulBootUpReqDisplayVector:%lu\n" - " ulOtherDisplayMisc:%lu\n" - " ulDDISlot1Config:%lu\n" - " ulDDISlot2Config:%lu\n" - - " ucMemoryType:%u\n" - " ucUMAChannelNumber:%u\n" - " ucDockingPinBit:%u\n" - " ucDockingPinPolarity:%u\n" - - " ulDockingPinCFGInfo:%lu\n" - " ulCPUCapInfo: %lu\n" - - " usNumberOfCyclesInPeriod:%hu\n" - " usMaxNBVoltage:%hu\n" - " usMinNBVoltage:%hu\n" - " usBootUpNBVoltage:%hu\n" - - " ulHTLinkFreq:%lu\n" - - " usMinHTLinkWidth:%hu\n" - " usMaxHTLinkWidth:%hu\n" - " usUMASyncStartDelay:%hu\n" - " usUMADataReturnTime:%hu\n" - " usLinkStatusZeroTime:%hu\n" - - " ulHighVoltageHTLinkFreq:%lu\n" - " ulLowVoltageHTLinkFreq:%lu\n" - - " usMaxUpStreamHTLinkWidth:%hu\n" - " usMaxDownStreamHTLinkWidth:%hu\n" - " usMinUpStreamHTLinkWidth:%hu\n" - " usMinDownStreamHTLinkWidth:%hu\n", - - (unsigned long)vgainfo.ulBootUpEngineClock, - (unsigned long)vgainfo.ulBootUpUMAClock, - (unsigned long)vgainfo.ulBootUpSidePortClock, - (unsigned long)vgainfo.ulMinSidePortClock, - (unsigned long)vgainfo.ulSystemConfig, - (unsigned long)vgainfo.ulBootUpReqDisplayVector, - (unsigned long)vgainfo.ulOtherDisplayMisc, - (unsigned long)vgainfo.ulDDISlot1Config, - (unsigned long)vgainfo.ulDDISlot2Config, - - vgainfo.ucMemoryType, - vgainfo.ucUMAChannelNumber, - vgainfo.ucDockingPinBit, - vgainfo.ucDockingPinPolarity, - - (unsigned long)vgainfo.ulDockingPinCFGInfo, - (unsigned long)vgainfo.ulCPUCapInfo, - - vgainfo.usNumberOfCyclesInPeriod, - vgainfo.usMaxNBVoltage, - vgainfo.usMinNBVoltage, - vgainfo.usBootUpNBVoltage, - - (unsigned long)vgainfo.ulHTLinkFreq, - - vgainfo.usMinHTLinkWidth, - vgainfo.usMaxHTLinkWidth, - vgainfo.usUMASyncStartDelay, - vgainfo.usUMADataReturnTime, - vgainfo.usLinkStatusZeroTime, - - (unsigned long)vgainfo.ulHighVoltageHTLinkFreq, - (unsigned long)vgainfo.ulLowVoltageHTLinkFreq, - - vgainfo.usMaxUpStreamHTLinkWidth, - vgainfo.usMaxDownStreamHTLinkWidth, - vgainfo.usMinUpStreamHTLinkWidth, - vgainfo.usMinDownStreamHTLinkWidth); - - - /* Transfer the Table to VBIOS. */ - pointer = (u32 *)&vgainfo; - for (i = 0; i < sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i+=4) { -#if CONFIG(GFXUMA) - *GpuF0MMReg = 0x80000000 + uma_memory_size - 512 + i; -#else - *GpuF0MMReg = 0x80000000 + 0x8000000 - 512 + i; -#endif - *(GpuF0MMReg+1) = *pointer++; - } - - /* GFX_InitLate. */ - { - u32 temp; - temp = pci_read_config8(dev, 0x4); - //temp &= ~1; /* CIM clears this bit. Strangely, I can'd. */ - temp |= 1<<1|1<<2; - pci_write_config8(dev, 0x4, temp); - - // if the GFX debug bar is writable, then it has - // been programmed and can be safely enabled now - temp = pci_read_config32(nb_dev, 0x8c); - - // if bits 1 (intgfx_enable) and 9 (gfx_debug_bar_enable) - // then enable gfx debug bar (set gxf_debug_decode_enable) - if (temp & 0x202) - temp |= (1 << 10); - pci_write_config32(nb_dev, 0x8c, temp); - - } - -#ifdef DONT_TRUST_RESOURCE_ALLOCATION - /* NB_SetupMGMMIO. */ - - /* clear MMIO and CreativeMMIO. */ - bpointer = (unsigned char *)MMIO; - for (i = 0; i < sizeof(MMIO); i++) { - *bpointer = 0; - bpointer++; - } - bpointer = (unsigned char *)CreativeMMIO; - for (i = 0; i < sizeof(CreativeMMIO); i++) { - *bpointer = 0; - bpointer++; - } - - /* Set MMIO ranges in K8. */ - /* Set MMIO TOM - 4G. */ - SetMMIO(0x400<<12, 0x1000000, 0x80, &MMIO[0]); - /* Set MMIO for VGA Legacy FB. */ - SetMMIO(0xa00, 0xc00, 0x80, &MMIO[0]); - - /* Set MMIO for non prefetchable P2P. */ - temp = pci_read_config32(dev0x14, 0x20); - Base32 = (temp & 0x0fff0) << 8; - Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8; - if (Base32 < Limit32) { - Status = GetCreativeMMIO(&CreativeMMIO[0]); - if (Status != CIM_ERROR) - SetMMIO(Base32, Limit32, 0x0, &MMIO[0]); - } - /* Set MMIO for prefetchable P2P. */ - if (Status != CIM_ERROR) { - temp = pci_read_config32(dev0x14, 0x24); - - Base32 = (temp & 0x0fff0) <<8; - Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8; - if (Base32 < Limit32) - SetMMIO(Base32, Limit32, 0x0, &MMIO[0]); - } - - FinalizeMMIO(&MMIO[0]); - - ProgramMMIO(&CreativeMMIO[0], 0, MMIO_ATTRIB_NP_ONLY); - ProgramMMIO(&MMIO[0], 0, MMIO_ATTRIB_NP_ONLY | MMIO_ATTRIB_BOTTOM_TO_TOP | MMIO_ATTRIB_SKIP_ZERO); -#endif - - pci_dev_init(dev); - - /* clk ind */ - clkind_write(dev, 0x08, 0x01); - clkind_write(dev, 0x0C, 0x22); - clkind_write(dev, 0x0F, 0x0); - clkind_write(dev, 0x11, 0x0); - clkind_write(dev, 0x12, 0x0); - clkind_write(dev, 0x14, 0x0); - clkind_write(dev, 0x15, 0x0); - clkind_write(dev, 0x16, 0x0); - clkind_write(dev, 0x17, 0x0); - clkind_write(dev, 0x18, 0x0); - clkind_write(dev, 0x19, 0x0); - clkind_write(dev, 0x1A, 0x0); - clkind_write(dev, 0x1B, 0x0); - clkind_write(dev, 0x1C, 0x0); - clkind_write(dev, 0x1D, 0x0); - clkind_write(dev, 0x1E, 0x0); - clkind_write(dev, 0x26, 0x0); - clkind_write(dev, 0x27, 0x0); - clkind_write(dev, 0x28, 0x0); - clkind_write(dev, 0x5C, 0x0); -} - -/** - * Set registers in RS780 and CPU to disable the internal GFX. - * Please refer to `rs780_internal_gfx_enable()`. - */ -static void rs780_internal_gfx_disable(struct device *dev) -{ - u32 l_dword; - struct device *nb_dev = pcidev_on_root(0x0, 0); - - /* Disable internal GFX and enable external GFX. */ - l_dword = pci_read_config32(nb_dev, 0x8c); - l_dword |= 1<<0; - l_dword &= ~(1<<1); - pci_write_config32(nb_dev, 0x8c, l_dword); - - dev->enabled = 0; -} - -/* -* Set registers in RS780 and CPU to enable the internal GFX. -* Please refer to CIM source code and BKDG. -*/ - -static void rs780_internal_gfx_enable(struct device *dev) -{ - u32 l_dword; - int i; - struct device *nb_dev = pcidev_on_root(0x0, 0); - msr_t sysmem; - -#if !CONFIG(GFXUMA) - u32 FB_Start, FB_End; -#endif - - printk(BIOS_DEBUG, "rs780_internal_gfx_enable dev = 0x%p, nb_dev = 0x%p.\n", dev, nb_dev); - - /* The system top memory in 780. */ - sysmem = rdmsr(TOP_MEM); - printk(BIOS_DEBUG, "Sysmem TOM = %x_%x\n", sysmem.hi, sysmem.lo); - pci_write_config32(nb_dev, 0x90, sysmem.lo); - - sysmem = rdmsr(TOP_MEM2); - printk(BIOS_DEBUG, "Sysmem TOM2 = %x_%x\n", sysmem.hi, sysmem.lo); - htiu_write_index(nb_dev, 0x31, sysmem.hi); - htiu_write_index(nb_dev, 0x30, sysmem.lo | 1); - - /* Disable external GFX and enable internal GFX. */ - l_dword = pci_read_config32(nb_dev, 0x8c); - l_dword &= ~(1<<0); - l_dword |= 1<<1; - pci_write_config32(nb_dev, 0x8c, l_dword); - - /* NB_SetDefaultIndexes */ - pci_write_config32(nb_dev, 0x94, 0x7f); - pci_write_config32(nb_dev, 0x60, 0x7f); - pci_write_config32(nb_dev, 0xe0, 0); - - /* NB_InitEarlyNB finished. */ - - /* LPC DMA Deadlock workaround? */ - /* GFX_InitCommon*/ - struct device *k8_f0 = pcidev_on_root(0x18, 0); - l_dword = pci_read_config32(k8_f0, 0x68); - l_dword &= ~(3 << 21); - l_dword |= (1 << 21); - pci_write_config32(k8_f0, 0x68, l_dword); - - /* GFX_InitCommon. */ - nbmc_write_index(nb_dev, 0x23, 0x00c00010); - set_nbmc_enable_bits(nb_dev, 0x16, 1<<15, 1<<15); - set_nbmc_enable_bits(nb_dev, 0x25, 0xffffffff, 0x111f111f); - set_htiu_enable_bits(nb_dev, 0x37, 1<<24, 1<<24); - -#if CONFIG(GFXUMA) - /* GFX_InitUMA. */ - /* Copy CPU DDR Controller to NB MC. */ - struct device *k8_f1 = pcidev_on_root(0x18, 1); - struct device *k8_f2 = pcidev_on_root(0x18, 2); - struct device *k8_f4 = pcidev_on_root(0x18, 4); - for (i = 0; i < 12; i++) { - l_dword = pci_read_config32(k8_f2, 0x40 + i * 4); - nbmc_write_index(nb_dev, 0x30 + i, l_dword); - } - - l_dword = pci_read_config32(k8_f2, 0x80); - nbmc_write_index(nb_dev, 0x3c, l_dword); - l_dword = pci_read_config32(k8_f2, 0x94); - set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<<22))<<16); - set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<< 8))<<17); - l_dword = pci_read_config32(k8_f2, 0x90); - set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<<10))<<18); - if (is_family10h()) { - for (i = 0; i < 12; i++) { - l_dword = pci_read_config32(k8_f2, 0x140 + i * 4); - nbmc_write_index(nb_dev, 0x3d + i, l_dword); - } - - l_dword = pci_read_config32(k8_f2, 0x180); - nbmc_write_index(nb_dev, 0x49, l_dword); - l_dword = pci_read_config32(k8_f2, 0x194); - set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<<22))<<16); - set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<< 8))<<17); - l_dword = pci_read_config32(k8_f2, 0x190); - set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<<10))<<18); - - l_dword = pci_read_config32(k8_f2, 0x110); - nbmc_write_index(nb_dev, 0x4a, l_dword); - l_dword = pci_read_config32(k8_f2, 0x114); - nbmc_write_index(nb_dev, 0x4b, l_dword); - l_dword = pci_read_config32(k8_f4, 0x44); - set_nbmc_enable_bits(nb_dev, 0x4a, 0, !!(l_dword & (1<<22))<<24); - l_dword = pci_read_config32(k8_f1, 0x40); - nbmc_write_index(nb_dev, 0x4c, l_dword); - l_dword = pci_read_config32(k8_f1, 0xf0); - nbmc_write_index(nb_dev, 0x4d, l_dword); - } - - - /* Set UMA in the 780 side. */ - /* UMA start address, size. */ - /* The UMA starts at 0xC0000000 of internal RS780 address space - [31:16] addr of last byte | [31:16] addr of first byte - */ - nbmc_write_index(nb_dev, 0x10, ((uma_memory_size - 1 + 0xC0000000) & (~0xffff)) | 0xc000); - nbmc_write_index(nb_dev, 0x11, uma_memory_base); - nbmc_write_index(nb_dev, 0x12, 0); - nbmc_write_index(nb_dev, 0xf0, uma_memory_size >> 20); - /* GFX_InitUMA finished. */ -#else - /* GFX_InitSP. */ - /* SP memory:Hynix HY5TQ1G631ZNFP. 128MB = 64M * 16. 667MHz. DDR3. */ - - /* Enable Async mode. */ - set_nbmc_enable_bits(nb_dev, 0x06, 7<<8, 1<<8); - set_nbmc_enable_bits(nb_dev, 0x08, 1<<10, 0); - /* The last item in AsynchMclkTaskFileIndex. Why? */ - /* MC_MPLL_CONTROL2. */ - nbmc_write_index(nb_dev, 0x07, 0x40100028); - /* MC_MPLL_DIV_CONTROL. */ - nbmc_write_index(nb_dev, 0x0b, 0x00000028); - /* MC_MPLL_FREQ_CONTROL. */ - set_nbmc_enable_bits(nb_dev, 0x09, 3<<12|15<<16|15<<8, 1<<12|4<<16|0<<8); - /* MC_MPLL_CONTROL3. For PM. */ - set_nbmc_enable_bits(nb_dev, 0x08, 0xff<<13, 1<<13|1<<18); - /* MPLL_CAL_TRIGGER. */ - set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<0); - udelay(200); /* time is long enough? */ - set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<1); - set_nbmc_enable_bits(nb_dev, 0x06, 1<<0, 0); - /* MCLK_SRC_USE_MPLL. */ - set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<20); - - /* Pre Init MC. */ - nbmc_write_index(nb_dev, 0x01, 0x88108280); - set_nbmc_enable_bits(nb_dev, 0x02, ~(1<<20), 0x00030200); - nbmc_write_index(nb_dev, 0x04, 0x08881018); - nbmc_write_index(nb_dev, 0x05, 0x000000bb); - nbmc_write_index(nb_dev, 0x0c, 0x0f00001f); - nbmc_write_index(nb_dev, 0xa1, 0x01f10000); - /* MCA_INIT_DLL_PM. */ - set_nbmc_enable_bits(nb_dev, 0xc9, 1<<24, 1<<24); - nbmc_write_index(nb_dev, 0xa2, 0x74f20000); - nbmc_write_index(nb_dev, 0xa3, 0x8af30000); - nbmc_write_index(nb_dev, 0xaf, 0x47d0a41c); - nbmc_write_index(nb_dev, 0xb0, 0x88800130); - nbmc_write_index(nb_dev, 0xb1, 0x00000040); - nbmc_write_index(nb_dev, 0xb4, 0x41247000); - nbmc_write_index(nb_dev, 0xb5, 0x00066664); - nbmc_write_index(nb_dev, 0xb6, 0x00000022); - nbmc_write_index(nb_dev, 0xb7, 0x00000044); - nbmc_write_index(nb_dev, 0xb8, 0xbbbbbbbb); - nbmc_write_index(nb_dev, 0xb9, 0xbbbbbbbb); - nbmc_write_index(nb_dev, 0xba, 0x55555555); - nbmc_write_index(nb_dev, 0xc1, 0x00000000); - nbmc_write_index(nb_dev, 0xc2, 0x00000000); - nbmc_write_index(nb_dev, 0xc3, 0x80006b00); - nbmc_write_index(nb_dev, 0xc4, 0x00066664); - nbmc_write_index(nb_dev, 0xc5, 0x00000000); - nbmc_write_index(nb_dev, 0xd2, 0x00000022); - nbmc_write_index(nb_dev, 0xd3, 0x00000044); - nbmc_write_index(nb_dev, 0xd6, 0x00050005); - nbmc_write_index(nb_dev, 0xd7, 0x00000000); - nbmc_write_index(nb_dev, 0xd8, 0x00700070); - nbmc_write_index(nb_dev, 0xd9, 0x00700070); - nbmc_write_index(nb_dev, 0xe0, 0x00200020); - nbmc_write_index(nb_dev, 0xe1, 0x00200020); - nbmc_write_index(nb_dev, 0xe8, 0x00200020); - nbmc_write_index(nb_dev, 0xe9, 0x00200020); - nbmc_write_index(nb_dev, 0xe0, 0x00180018); - nbmc_write_index(nb_dev, 0xe1, 0x00180018); - nbmc_write_index(nb_dev, 0xe8, 0x00180018); - nbmc_write_index(nb_dev, 0xe9, 0x00180018); - - /* Misc options. */ - /* Memory Termination. */ - set_nbmc_enable_bits(nb_dev, 0xa1, 0x0ff, 0x044); - set_nbmc_enable_bits(nb_dev, 0xb4, 0xf00, 0xb00); -#if 0 - /* Controller Termination. */ - set_nbmc_enable_bits(nb_dev, 0xb1, 0x77770000, 0x77770000); -#endif - - /* OEM Init MC. 667MHz. */ - nbmc_write_index(nb_dev, 0xa8, 0x7a5aaa78); - nbmc_write_index(nb_dev, 0xa9, 0x514a2319); - nbmc_write_index(nb_dev, 0xaa, 0x54400520); - nbmc_write_index(nb_dev, 0xab, 0x441460ff); - nbmc_write_index(nb_dev, 0xa0, 0x20f00a48); - set_nbmc_enable_bits(nb_dev, 0xa2, ~(0xffffffc7), 0x10); - nbmc_write_index(nb_dev, 0xb2, 0x00000303); - set_nbmc_enable_bits(nb_dev, 0xb1, ~(0xffffff70), 0x45); - /* Do it later. */ - /* set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b); */ - - /* Init PM timing. */ - for (i = 0; i < 4; i++) { - l_dword = nbmc_read_index(nb_dev, 0xa0+i); - nbmc_write_index(nb_dev, 0xc8+i, l_dword); - } - for (i = 0; i < 4; i++) { - l_dword = nbmc_read_index(nb_dev, 0xa8+i); - nbmc_write_index(nb_dev, 0xcc+i, l_dword); - } - l_dword = nbmc_read_index(nb_dev, 0xb1); - set_nbmc_enable_bits(nb_dev, 0xc8, 0xff<<24, ((l_dword&0x0f)<<24)|((l_dword&0xf00)<<20)); - - /* Init MC FB. */ - /* FB_Start = ; FB_End = ; iSpSize = 0x0080, 128MB. */ - nbmc_write_index(nb_dev, 0x11, 0x40000000); - FB_Start = 0xc00 + 0x080; - FB_End = 0xc00 + 0x080; - nbmc_write_index(nb_dev, 0x10, (((FB_End&0xfff)<<20)-0x10000)|(((FB_Start&0xfff)-0x080)<<4)); - set_nbmc_enable_bits(nb_dev, 0x0d, ~0x000ffff0, (FB_Start&0xfff)<<20); - nbmc_write_index(nb_dev, 0x0f, 0); - nbmc_write_index(nb_dev, 0x0e, (FB_Start&0xfff)|(0xaaaa<<12)); -#endif - - /* GFX_InitSP finished. */ -} - -static struct pci_operations lops_pci = { - .set_subsystem = pci_dev_set_subsystem, -}; - -static struct device_operations pcie_ops = { - .read_resources = rs780_gfx_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = internal_gfx_pci_dev_init, /* The option ROM initializes the device. rs780_gfx_init, */ - .scan_bus = 0, - .enable = rs780_internal_gfx_enable, - .disable = rs780_internal_gfx_disable, - .ops_pci = &lops_pci, -}; - -/* - * We should list all of them here. - * */ -static const unsigned short pcie_780_ids[] = { - PCI_DEVICE_ID_ATI_RS780_INT_GFX, - PCI_DEVICE_ID_ATI_RS780C_INT_GFX, - PCI_DEVICE_ID_ATI_RS780M_INT_GFX, - PCI_DEVICE_ID_ATI_RS780MC_INT_GFX, - PCI_DEVICE_ID_ATI_RS780E_INT_GFX, - PCI_DEVICE_ID_ATI_RS785G_INT_GFX, - PCI_DEVICE_ID_ATI_RS785C_INT_GFX, - PCI_DEVICE_ID_ATI_RS785M_INT_GFX, - PCI_DEVICE_ID_ATI_RS785MC_INT_GFX, - PCI_DEVICE_ID_ATI_RS785D_INT_GFX, - 0 -}; - -static const struct pci_driver pcie_driver_780 __pci_driver = { - .ops = &pcie_ops, - .vendor = PCI_VENDOR_ID_ATI, - .devices = pcie_780_ids, -}; - -/* step 12 ~ step 14 from rpr */ -static void single_port_configuration(struct device *nb_dev, struct device *dev) -{ - u8 result, width; - u32 reg32; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration.\n"); - - /* step 12 training, releases hold training for GFX port 0 (device 2) */ - PcieReleasePortTraining(nb_dev, dev, 2); - result = PcieTrainPort(nb_dev, dev, 2); - printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step12.\n"); - - /* step 13 Power Down Control */ - /* step 13.1 Enables powering down transmitter and receiver pads along with PLL macros. */ - set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0); - - /* step 13.a Link Training was NOT successful */ - if (!result) { - set_nbmisc_enable_bits(nb_dev, 0x8, 0, 0x3 << 4); /* prevent from training. */ - set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x3 << 2); /* hide the GFX bridge. */ - if (cfg->gfx_tmds) - nbpcie_ind_write_index(nb_dev, 0x65, 0xccf0f0); - else { - nbpcie_ind_write_index(nb_dev, 0x65, 0xffffffff); - set_nbmisc_enable_bits(nb_dev, 0x7, 1 << 3, 1 << 3); - } - } else { /* step 13.b Link Training was successful */ - AtiPcieCfg.PortDetect |= 1 << 2; /* Port 2 */ - set_pcie_enable_bits(dev, 0xA2, 0xFF, 0x1); - reg32 = nbpcie_p_read_index(dev, 0x29); - width = reg32 & 0xFF; - printk(BIOS_DEBUG, "GFX Inactive Lanes = 0x%x.\n", width); - switch (width) { - case 1: - case 2: - nbpcie_ind_write_index(nb_dev, 0x65, - cfg->gfx_lane_reversal ? 0x7f7f : 0xccfefe); - break; - case 4: - nbpcie_ind_write_index(nb_dev, 0x65, - cfg->gfx_lane_reversal ? 0x3f3f : 0xccfcfc); - break; - case 8: - nbpcie_ind_write_index(nb_dev, 0x65, - cfg->gfx_lane_reversal ? 0x0f0f : 0xccf0f0); - break; - } - } - printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step13.\n"); - - /* step 14 Reset Enumeration Timer, disables the shortening of the enumeration timer */ - set_pcie_enable_bits(dev, 0x70, 1 << 19, 1 << 19); - printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step14.\n"); -} - -static void dual_port_configuration(struct device *nb_dev, struct device *dev) -{ - u8 result, width; - u32 reg32, dev_ind = dev->path.pci.devfn >> 3; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - /* 5.4.1.2 Dual Port Configuration */ - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); - - /* 5.7. Training for Device 2 */ - /* 5.7.1. Releases hold training for GFX port 0 (device 2) */ - PcieReleasePortTraining(nb_dev, dev, dev_ind); - /* 5.7.2- 5.7.9. PCIE Link Training Sequence */ - result = PcieTrainPort(nb_dev, dev, dev_ind); - - /* Power Down Control for Device 2 */ - /* Link Training was NOT successful */ - if (!result) { - /* Powers down all lanes for port A */ - /* nbpcie_ind_write_index(nb_dev, 0x65, 0x0f0f); */ - /* Note: I have to disable the slot where there isn't a device, - * otherwise the system will hang. I don't know why. */ - set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind, 1 << dev_ind); - - } else { /* step 16.b Link Training was successful */ - AtiPcieCfg.PortDetect |= 1 << dev_ind; - reg32 = nbpcie_p_read_index(dev, 0xa2); - width = (reg32 >> 4) & 0x7; - printk(BIOS_DEBUG, "GFX LC_LINK_WIDTH = 0x%x.\n", width); - switch (width) { - case 1: - case 2: - nbpcie_ind_write_index(nb_dev, 0x65, - cfg->gfx_lane_reversal ? 0x0707 : 0x0e0e); - break; - case 4: - nbpcie_ind_write_index(nb_dev, 0x65, - cfg->gfx_lane_reversal ? 0x0303 : 0x0c0c); - break; - } - } -} - -/* For single port GFX configuration Only -* width: -* 000 = x16 -* 001 = x1 -* 010 = x2 -* 011 = x4 -* 100 = x8 -* 101 = x12 (not supported) -* 110 = x16 -*/ -static void dynamic_link_width_control(struct device *nb_dev, struct device *dev, u8 width) -{ - u32 reg32; - struct device *sb_dev; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - /* step 5.9.1.1 */ - reg32 = nbpcie_p_read_index(dev, 0xa2); - - /* step 5.9.1.2 */ - set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0); - /* step 5.9.1.3 */ - set_pcie_enable_bits(dev, 0xa2, 3 << 0, width << 0); - /* step 5.9.1.4 */ - set_pcie_enable_bits(dev, 0xa2, 1 << 8, 1 << 8); - /* step 5.9.2.4 */ - if (0 == cfg->gfx_reconfiguration) - set_pcie_enable_bits(dev, 0xa2, 1 << 11, 1 << 11); - - /* step 5.9.1.5 */ - do { - reg32 = nbpcie_p_read_index(dev, 0xa2); - } - while (reg32 & 0x100); - - /* step 5.9.1.6 */ - sb_dev = pcidev_on_root(8, 0); - do { - reg32 = pci_ext_read_config32(nb_dev, sb_dev, - PCIE_VC0_RESOURCE_STATUS); - } while (reg32 & VC_NEGOTIATION_PENDING); - - /* step 5.9.1.7 */ - reg32 = nbpcie_p_read_index(dev, 0xa2); - if (((reg32 & 0x70) >> 4) != 0x6) { - /* the unused lanes should be powered off. */ - } - - /* step 5.9.1.8 */ - set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 0 << 0); -} - -/* -* GFX Core initialization, dev2, dev3 -*/ -void rs780_gfx_init(struct device *nb_dev, struct device *dev, u32 port) -{ - u32 reg32; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - printk(BIOS_DEBUG, "rs780_gfx_init, nb_dev=0x%p, dev=0x%p, port=0x%x.\n", - nb_dev, dev, port); - - /* GFX Core Initialization */ - //if (port == 2) return; - - /* step 2, TMDS, (only need if CMOS option is enabled) */ - if (cfg->gfx_tmds) { - /** - * PCIe Initialization for DDI. - * The VBIOS/Driver is responsible for DDI programming sequence, - * The SBIOS is responsible for programming the lane and clock muxing specific to each case. - * Refer to RPR Chapter 7: "PCIe Initialization for DDI". - * Note: This programming must be done before hold training is released. - */ - switch (cfg->gfx_pcie_config) { - case 1: /* 1x16 GFX -default case, no programming required */ - break; - case 2: /* 1x8 GFX on Lanes 0-7 */ - case 5: /* 1x4 GPP on Lanes 0-3 */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); /* Disables PCIe mode on PHY Lanes 8-11 */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); /* Disables PCIe mode on PHY Lanes 12-15 */ - break; - case 3: /* 1x8 on Lanes 8-15 */ - case 7: /* 1x4 GPP on Lanes 8-11 */ - /* TXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); - set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x0 << 0); - /* RXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x2 << 12); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); - /* TX Lane Muxing */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); - break; - case 4: /* 2x8 */ - case 10: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 8-11 */ - case 14: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 8-11 */ - case 17: /* 1x4 GPP on Lanes 0-3 and 1x8 GFX on Lanes 8-15 */ - /* Set dual slot configuration */ - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - break; - case 9: /* PCIe 2x4 GPPs on Lanes 0-7 */ - case 6: /* PCIe 1x4 GPP on Lanes 4-7 */ - /* Set dual slot configuration */ - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - /* TXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); - set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 0, 0x0 << 0); - /* RXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x1 << 10); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x0 << 14); - /* TX Lane Muxing */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); - break; - case 13: /* 2x4 GPPs on Lanes 8-15 */ - case 8: /* 1x4 GPP on Lanes 12-15 */ - /* Set dual slot configuration */ - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - /* TXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); - set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x3 << 0); - /* RXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x3 << 10); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); - /* TX Lane Muxing */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); - break; - case 15: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 12-15 */ - case 11: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 12-15 */ - /* Set dual slot configuration */ - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - /* TXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); - set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x1 << 0); - /* RXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x0 << 10); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x3 << 14); - /* TX Lane Muxing */ - set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); - break; - case 16: /* 1x8 GFX on Lanes 8-15 and 1x4 GPP on Lanes 4-7 */ - case 12: /* 1x4 GPP on Lanes 4-7 and 1x8 GFX on Lanes 8-15 */ - /* Set dual slot configuration */ - set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); - /* TXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); - set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); - set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 22, 0x2 << 22); - set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x2 << 0); - /* RXCLK */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x1 << 14); - /* TX Lane Muxing */ - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); - set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); - break; - default: - printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); - break; - } - - /* DDI Configuration */ - switch (cfg->gfx_ddi_config) { - case 1: /* DDI_SL lanes0-3 */ - nbmisc_write_index(nb_dev, 0x74, GFX_CONFIG_DDI); - break; - case 2: /* DDI_SL lanes4-7 */ - nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8)); - break; - case 5: /* DDI_SL lanes0-4, lanes4-7 */ - nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); - break; - case 6: /* DDI_DL lanes0-7 */ - nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); - break; - default: - printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); - break; - } - } - -#if 1 /* external clock mode */ - /* table 5-22, 5.9.1. REFCLK */ - /* 5.9.1.1. Disables the GFX REFCLK transmitter so that the GFX - * REFCLK PAD can be driven by an external source. */ - /* 5.9.1.2. Enables GFX REFCLK receiver to receive the REFCLK from an external source. */ - set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28 | 1 << 26, 1 << 28); - - /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */ - /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */ - /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */ - reg32 = nbmisc_read_index(nb_dev, 0x28); - printk(BIOS_DEBUG, "misc 28 = %x\n", reg32); - - /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */ - set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 1 << 31); -#else /* internal clock mode */ - /* table 5-23, 5.9.1. REFCLK */ - /* 5.9.1.1. Enables the GFX REFCLK transmitter so that the GFX - * REFCLK PAD can be driven by the SB REFCLK. */ - /* 5.9.1.2. Disables GFX REFCLK receiver from receiving the - * REFCLK from an external source.*/ - set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28, 1 << 29 | 0 << 28); - - /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */ - /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */ - /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */ - set_nbmisc_enable_bits(nb_dev, 0x28, 3 << 6 | 3 << 8 | 3 << 10, - 0); - reg32 = nbmisc_read_index(nb_dev, 0x28); - printk(BIOS_DEBUG, "misc 28 = %x\n", reg32); - - /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */ - set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 0 << 31); -#endif - - /* step 5.9.3, GFX overclocking, (only need if CMOS option is enabled) */ - /* 5.9.3.1. Increases PLL BW for 6G operation.*/ - /* set_nbmisc_enable_bits(nb_dev, 0x36, 0x3FF << 4, 0xB5 << 4); */ - /* skip */ - - /* step 5.9.4, reset the GFX link */ - /* step 5.9.4.1 asserts both calibration reset and global reset */ - set_nbmisc_enable_bits(nb_dev, 0x8, 0x3 << 14, 0x3 << 14); - - /* step 5.9.4.2 de-asserts calibration reset */ - set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 14, 0 << 14); - - /* step 5.9.4.3 wait for at least 200us */ - udelay(300); - - /* step 5.9.4.4 de-asserts global reset */ - set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 15, 0 << 15); - - /* 5.9.5 Reset PCIE_GFX Slot */ - /* It is done in mainboard.c */ - set_pcie_reset(); - mdelay(1); - set_pcie_dereset(); - - /* step 5.9.8 program PCIE memory mapped configuration space */ - /* done by enable_pci_bar3() before */ - - /* step 7 compliance state, (only need if CMOS option is enabled) */ - /* the compliance state is just for test. refer to 4.2.5.2 of PCIe specification */ - if (cfg->gfx_compliance) { - /* force compliance */ - set_nbmisc_enable_bits(nb_dev, 0x32, 1 << 6, 1 << 6); - /* release hold training for device 2. GFX initialization is done. */ - set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 4, 0 << 4); - dynamic_link_width_control(nb_dev, dev, cfg->gfx_link_width); - printk(BIOS_DEBUG, "rs780_gfx_init step7.\n"); - return; - } - - /* 5.9.12 Core Initialization. */ - /* 5.9.12.1 sets RCB timeout to be 25ms */ - /* 5.9.12.2. RCB Cpl timeout on link down. */ - set_pcie_enable_bits(dev, 0x70, 7 << 16 | 1 << 19, 4 << 16 | 1 << 19); - printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.1.\n"); - - /* step 5.9.12.3 disables slave ordering logic */ - set_pcie_enable_bits(nb_dev, 0x20, 1 << 8, 1 << 8); - printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.3.\n"); - - /* step 5.9.12.4 sets DMA payload size to 64 bytes */ - set_pcie_enable_bits(nb_dev, 0x10, 7 << 10, 4 << 10); - /* 5.9.12.5. Blocks DMA traffic during C3 state. */ - set_pcie_enable_bits(dev, 0x10, 1 << 0, 0 << 0); - - /* 5.9.12.6. Disables RC ordering logic */ - set_pcie_enable_bits(nb_dev, 0x20, 1 << 9, 1 << 9); - - /* Enables TLP flushing. */ - /* Note: It is got from RS690. The system will hang without this action. */ - set_pcie_enable_bits(dev, 0x20, 1 << 19, 0 << 19); - - /* 5.9.12.7. Ignores DLLPs during L1 so that txclk can be turned off */ - set_pcie_enable_bits(nb_dev, 0x2, 1 << 0, 1 << 0); - - /* 5.9.12.8 Prevents LC to go from L0 to Rcv_L0s if L1 is armed. */ - set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); - - /* 5.9.12.9 CMGOOD_OVERRIDE for end point initiated lane degradation. */ - set_nbmisc_enable_bits(nb_dev, 0x6a, 1 << 17, 1 << 17); - printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.9.\n"); - - /* 5.9.12.10 Sets the timer in Config state from 20us to */ - /* 5.9.12.11 De-asserts RX_EN in L0s. */ - /* 5.9.12.12 Enables de-assertion of PG2RX_CR_EN to lock clock - * recovery parameter when lane is in electrical idle in L0s.*/ - set_pcie_enable_bits(dev, 0xB1, 1 << 23 | 1 << 19 | 1 << 28, 1 << 23 | 1 << 19 | 1 << 28); - - /* 5.9.12.13. Turns off offset calibration. */ - /* 5.9.12.14. Enables Rx Clock gating in CDR */ - set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 10/* | 1 << 22 */, 1 << 10/* | 1 << 22 */); - - /* 5.9.12.15. Sets number of TX Clocks to drain TX Pipe to 3. */ - set_pcie_enable_bits(dev, 0xA0, 0xF << 4, 3 << 4); - - /* 5.9.12.16. Lets PI use Electrical Idle from PHY when - * turning off PLL in L1 at Gen2 speed instead Inferred Electrical Idle. */ - set_pcie_enable_bits(nb_dev, 0x40, 3 << 14, 2 << 14); - - /* 5.9.12.17. Prevents the Electrical Idle from causing a transition from Rcv_L0 to Rcv_L0s. */ - set_pcie_enable_bits(dev, 0xB1, 1 << 20, 1 << 20); - - /* 5.9.12.18. Prevents the LTSSM from going to Rcv_L0s if it has already - * acknowledged a request to go to L1. */ - set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); - - /* 5.9.12.19. LDSK only taking deskew on deskewing error detect */ - set_pcie_enable_bits(nb_dev, 0x40, 1 << 28, 0 << 28); - - /* 5.9.12.20. Bypasses lane de-skew logic if in x1 */ - set_pcie_enable_bits(nb_dev, 0xC2, 1 << 14, 1 << 14); - - /* 5.9.12.21. Sets Electrical Idle Threshold. */ - set_nbmisc_enable_bits(nb_dev, 0x35, 3 << 21, 2 << 21); - - /* 5.9.12.22. Advertises -6 dB de-emphasis value in TS1 Data Rate Identifier - * Only if CMOS Option in section. skip */ - - /* 5.9.12.23. Disables GEN2 capability of the device. */ - set_pcie_enable_bits(dev, 0xA4, 1 << 0, 0 << 0); - - /* 5.9.12.24.Disables advertising Upconfigure Support. */ - set_pcie_enable_bits(dev, 0xA2, 1 << 13, 1 << 13); - - /* 5.9.12.25. No comment in RPR. */ - set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 10, 0 << 10); - - /* 5.9.12.26. This capacity is required since links wider than x1 and/or multiple link - * speed are supported */ - set_pcie_enable_bits(nb_dev, 0xC1, 1 << 0, 1 << 0); - - /* 5.9.12.27. Enables NVG86 ECO. A13 above only. */ - if (get_nb_rev(nb_dev) == REV_RS780_A12) /* A12 */ - set_pcie_enable_bits(dev, 0x02, 1 << 11, 1 << 11); - - /* 5.9.12.28 Hides and disables the completion timeout method. */ - set_pcie_enable_bits(nb_dev, 0xC1, 1 << 2, 0 << 2); - - /* 5.9.12.29. Use the bif_core de-emphasis strength by default. */ - /* set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 28, 1 << 28); */ - - /* 5.9.12.30. Set TX arbitration algorithm to round robin */ - set_pcie_enable_bits(nb_dev, 0x1C, - 1 << 0 | 0x1F << 1 | 0x1F << 6, - 1 << 0 | 0x04 << 1 | 0x04 << 6); - - /* Single-port/Dual-port configuration. */ - switch (cfg->gfx_dual_slot) { - case 0: - /* step 1, lane reversal (only need if build config option is enabled) */ - if (cfg->gfx_lane_reversal) { - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); - } - printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); - - printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); - if ((dev->path.pci.devfn >> 3) == 2) { - single_port_configuration(nb_dev, dev); - } else { - set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x2 << 2); /* hide the GFX bridge. */ - printk(BIOS_INFO, "Single port. Do nothing.\n"); // If dev3 - } - - break; - case 1: - /* step 1, lane reversal (only need if build config option is enabled) */ - if (cfg->gfx_lane_reversal) { - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); - } - printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); - /* step 1.1, dual-slot gfx configuration (only need if CMOS option is enabled) */ - /* AMD calls the configuration CrossFire */ - set_nbmisc_enable_bits(nb_dev, 0x0, 0xf << 8, 5 << 8); - printk(BIOS_DEBUG, "rs780_gfx_init step2.\n"); - - printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); - dual_port_configuration(nb_dev, dev); - break; - - case 2: - if (is_dev3_present()) { - /* step 1, lane reversal (only need if CMOS option is enabled) */ - if (cfg->gfx_lane_reversal) { - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); - } - printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); - /* step 1.1, dual-slot gfx configuration (only need if CMOS option is enabled) */ - /* AMD calls the configuration CrossFire */ - set_nbmisc_enable_bits(nb_dev, 0x0, 0xf << 8, 5 << 8); - printk(BIOS_DEBUG, "rs780_gfx_init step2.\n"); - - - printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); - dual_port_configuration(nb_dev, dev); - - } else { - if (cfg->gfx_lane_reversal) { - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); - set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); - } - printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); - - if ((dev->path.pci.devfn >> 3) == 2) - single_port_configuration(nb_dev, dev); - else { - set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x2 << 2); /* hide the GFX bridge. */ - printk(BIOS_DEBUG, "If dev3.., single port. Do nothing.\n"); - } - } - break; - - default: - printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); - break; - } -} diff --git a/src/southbridge/amd/rs780/ht.c b/src/southbridge/amd/rs780/ht.c deleted file mode 100644 index 8943fc1300..0000000000 --- a/src/southbridge/amd/rs780/ht.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include "rs780.h" - -/* for UMA internal graphics */ -void avoid_lpc_dma_deadlock(struct device *nb_dev, struct device *sb_dev) -{ - struct device *cpu_f0; - u32 reg32; - - cpu_f0 = pcidev_on_root(0x18, 0); - set_nbcfg_enable_bits(cpu_f0, 0x68, 3 << 21, 1 << 21); - - reg32 = nbpcie_p_read_index(sb_dev, 0x10); - reg32 |= 0x100; /* bit9=1 */ - nbpcie_p_write_index(sb_dev, 0x10, reg32); - - reg32 = nbpcie_p_read_index(nb_dev, 0x10); - reg32 |= 0x100; /* bit9=1 */ - nbpcie_p_write_index(nb_dev, 0x10, reg32); - - /* Enable NP protocol over PCIE for memory-mapped writes targeting LPC - * Set this bit to avoid a deadlock condition. */ - reg32 = htiu_read_index(nb_dev, 0x6); - reg32 |= 0x1000000; /* bit26 */ - htiu_write_index(nb_dev, 0x6, reg32); -} - -static void pcie_init(struct device *dev) -{ - /* Enable pci error detecting */ - u32 dword; - - printk(BIOS_INFO, "pcie_init in rs780_ht.c\n"); - - /* System error enable */ - dword = pci_read_config32(dev, 0x04); - dword |= (1 << 8); /* System error enable */ - dword |= (1 << 30); /* Clear possible errors */ - pci_write_config32(dev, 0x04, dword); - - /* - * 1 is APIC enable - * 18 is enable nb to accept A4 interrupt request from SB. - */ - dword = pci_read_config32(dev, 0x4C); - dword |= 1 << 1 | 1 << 18; /* Clear possible errors */ - pci_write_config32(dev, 0x4C, dword); -} - -static struct pci_operations lops_pci = { - .set_subsystem = pci_dev_set_subsystem, -}; - -static struct device_operations ht_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = pcie_init, - .scan_bus = 0, - .ops_pci = &lops_pci, -}; - -static const struct pci_driver ht_driver __pci_driver = { - .ops = &ht_ops, - .vendor = PCI_VENDOR_ID_AMD, - .device = PCI_DEVICE_ID_AMD_RS780_HT, -}; diff --git a/src/southbridge/amd/rs780/pcie.c b/src/southbridge/amd/rs780/pcie.c deleted file mode 100644 index 437a62aa87..0000000000 --- a/src/southbridge/amd/rs780/pcie.c +++ /dev/null @@ -1,406 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ops.h> -#include <delay.h> -#include "rs780.h" - -/*------------------------------------------------ -* Global variable -------------------------------------------------*/ -PCIE_CFG AtiPcieCfg = { - PCIE_ENABLE_STATIC_DEV_REMAP, /* Config */ - 0, /* ResetReleaseDelay */ - 0, /* Gfx0Width */ - 0, /* Gfx1Width */ - 0, /* GfxPayload */ - 0, /* GppPayload */ - 0, /* PortDetect, filled by GppSbInit */ - 0, /* PortHp */ - 0, /* DbgConfig */ - 0, /* DbgConfig2 */ - 0, /* GfxLx */ - 0, /* GppLx */ - 0, /* NBSBLx */ - 0, /* PortSlotInit */ - 0, /* Gfx0Pwr */ - 0, /* Gfx1Pwr */ - 0 /* GppPwr */ -}; - -static void PciePowerOffGppPorts(struct device *nb_dev, struct device *dev, u32 port); -static void ValidatePortEn(struct device *nb_dev); - -static void ValidatePortEn(struct device *nb_dev) -{ -} - -/***************************************************************** -* Compliant with CIM_33's PCIEPowerOffGppPorts -* Power off unused GPP lines -*****************************************************************/ -static void PciePowerOffGppPorts(struct device *nb_dev, struct device *dev, u32 port) -{ - u32 reg; - u16 state_save; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - u8 state = cfg->port_enable; - - if (!(AtiPcieCfg.Config & PCIE_DISABLE_HIDE_UNUSED_PORTS)) - state &= AtiPcieCfg.PortDetect; - state = ~state; - state &= (1 << 4) + (1 << 5) + (1 << 6) + (1 << 7); - state_save = state << 17; - state &= ~(AtiPcieCfg.PortHp); - reg = nbmisc_read_index(nb_dev, 0x0c); - reg |= state; - nbmisc_write_index(nb_dev, 0x0c, reg); - - reg = nbmisc_read_index(nb_dev, 0x08); - reg |= state_save; - nbmisc_write_index(nb_dev, 0x08, reg); - - if ((AtiPcieCfg.Config & PCIE_OFF_UNUSED_GPP_LANES) - && !(AtiPcieCfg. - Config & (PCIE_DISABLE_HIDE_UNUSED_PORTS + - PCIE_GFX_COMPLIANCE))) { - } - - /* step 3 Power Down Control for Southbridge */ - if (port != 8) - return; - - reg = nbpcie_p_read_index(dev, 0xa2); - - switch ((reg >> 4) & 0x7) { /* get bit 4-6, LC_LINK_WIDTH_RD */ - case 1: - set_pcie_enable_bits(nb_dev, 0x65 | PCIE_CORE_INDEX_GPPSB, - 0x0f0f, 0x0e0e); - break; - case 2: - set_pcie_enable_bits(nb_dev, 0x65 | PCIE_CORE_INDEX_GPPSB, - 0x0f0f, 0x0c0c); - break; - default: - break; - } -} - -/********************************************************************** -**********************************************************************/ -static void switching_gppsb_configurations(struct device *nb_dev, struct device *sb_dev) -{ - u32 reg; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - /* 5.5.7.1-3 enables GPP reconfiguration */ - reg = nbmisc_read_index(nb_dev, PCIE_NBCFG_REG7); - reg |= - (RECONFIG_GPPSB_EN + RECONFIG_GPPSB_LINK_CONFIG + - RECONFIG_GPPSB_ATOMIC_RESET); - nbmisc_write_index(nb_dev, PCIE_NBCFG_REG7, reg); - - /* 5.5.7.4a. De-asserts STRAP_BIF_all_valid for PCIE-GPPSB core */ - reg = nbmisc_read_index(nb_dev, 0x66); - reg |= 1 << 31; - nbmisc_write_index(nb_dev, 0x66, reg); - /* 5.5.7.4b. sets desired GPPSB configurations, bit4-7 */ - reg = nbmisc_read_index(nb_dev, 0x67); - reg &= 0xFFFFff0f; /* clean */ - reg |= cfg->gppsb_configuration << 4; - nbmisc_write_index(nb_dev, 0x67, reg); - -#if 1 - /* NOTE: - * In CIMx 4.5.0 and RPR, 4c is done before 5 & 6. But in this way, - * a x4 device in port B (dev 4) of Configuration B can only be detected - * as x1, instead of x4. When the port B is being trained, the - * LC_CURRENT_STATE is 6 and the LC_LINK_WIDTH_RD is 1. We have - * to set the PCIEIND:0x65 as 0xE0E0 and reset the slot. Then the card - * seems to work in x1 mode. - * In the 2nd way below, we do the 5 & 6 before 4c. it conforms the - * CIMx 4.3.0. It conflicts with RPR. But based on the test result I've - * made so far, I haven't found any mistake. - */ - /* 5.5.7.4c. Asserts STRAP_BIF_all_valid for PCIE-GPPSB core */ - reg = nbmisc_read_index(nb_dev, 0x66); - reg &= ~(1 << 31); - nbmisc_write_index(nb_dev, 0x66, reg); - - /* 5.5.7.5-6. read bit14 and write back its inverted value */ - reg = nbmisc_read_index(nb_dev, PCIE_NBCFG_REG7); - reg ^= RECONFIG_GPPSB_GPPSB; - nbmisc_write_index(nb_dev, PCIE_NBCFG_REG7, reg); -#else - /* 5.5.7.5-6. read bit14 and write back its inverted value */ - reg = nbmisc_read_index(nb_dev, PCIE_NBCFG_REG7); - reg ^= RECONFIG_GPPSB_GPPSB; - nbmisc_write_index(nb_dev, PCIE_NBCFG_REG7, reg); - - /* 5.5.7.4c. Asserts STRAP_BIF_all_valid for PCIE-GPPSB core */ - reg = nbmisc_read_index(nb_dev, 0x66); - reg &= ~(1 << 31); - nbmisc_write_index(nb_dev, 0x66, reg); -#endif - /* 5.5.7.7. delay 1ms */ - mdelay(1); - - /* 5.5.7.8. waits until SB has trained to L0, poll for bit0-5 = 0x10 */ - do { - reg = nbpcie_p_read_index(sb_dev, PCIE_LC_STATE0); - reg &= 0x3f; /* remain LSB [5:0] bits */ - } while (LC_STATE_RECONFIG_GPPSB != reg); - - /* 5.5.7.9.ensures that virtual channel negotiation is completed. poll for bit1 = 0 */ - do { - reg = - pci_ext_read_config32(nb_dev, sb_dev, - PCIE_VC0_RESOURCE_STATUS); - } while (reg & VC_NEGOTIATION_PENDING); -} - -static void switching_gpp_configurations(struct device *nb_dev, struct device *sb_dev) -{ - u32 reg; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - /* 5.6.2.1. De-asserts STRAP_BIF_all_valid for PCIE-GPP core */ - reg = nbmisc_read_index(nb_dev, 0x22); - reg |= 1 << 14; - nbmisc_write_index(nb_dev, 0x22, reg); - /* 5.6.2.2. sets desired GPP configurations, bit7-10 */ - reg = nbmisc_read_index(nb_dev, 0x2D); - reg &= ~(0xF << 7); /* clean */ - reg |= cfg->gpp_configuration << 7; - nbmisc_write_index(nb_dev, 0x2D, reg); - /* 5.6.2.3. Asserts STRAP_BIF_all_valid for PCIE-GPP core */ - reg = nbmisc_read_index(nb_dev, 0x22); - reg &= ~(1 << 14); - nbmisc_write_index(nb_dev, 0x22, reg); -} - -/***************************************************************** -* The rs780 uses NBCONFIG:0x1c (BAR3) to map the PCIE Extended Configuration -* Space to a 256MB range within the first 4GB of addressable memory. -*****************************************************************/ -void enable_pcie_bar3(struct device *nb_dev) -{ - printk(BIOS_DEBUG, "enable_pcie_bar3()\n"); - set_nbcfg_enable_bits(nb_dev, 0x7C, 1 << 30, 1 << 30); /* Enables writes to the BAR3 register. */ - set_nbcfg_enable_bits(nb_dev, 0x84, 7 << 16, 0 << 16); - - pci_write_config32(nb_dev, 0x1C, EXT_CONF_BASE_ADDRESS); /* PCIEMiscInit */ - pci_write_config32(nb_dev, 0x20, 0x00000000); - set_htiu_enable_bits(nb_dev, 0x32, 1 << 28, 1 << 28); /* PCIEMiscInit */ - ProgK8TempMmioBase(1, EXT_CONF_BASE_ADDRESS, TEMP_MMIO_BASE_ADDRESS); -} - -/***************************************************************** -* We should disable bar3 when we want to exit rs780_enable, because bar3 will be -* remapped in set_resource later. -*****************************************************************/ -void disable_pcie_bar3(struct device *nb_dev) -{ - printk(BIOS_DEBUG, "disable_pcie_bar3()\n"); - pci_write_config32(nb_dev, 0x1C, 0); /* clear BAR3 address */ - set_nbcfg_enable_bits(nb_dev, 0x7C, 1 << 30, 0 << 30); /* Disable writes to the BAR3. */ - set_htiu_enable_bits(nb_dev, 0x32, 1 << 28, 0); /* disable bar3 decode */ - ProgK8TempMmioBase(0, EXT_CONF_BASE_ADDRESS, TEMP_MMIO_BASE_ADDRESS); -} - -/***************************************** -* Compliant with CIM_33's PCIEGPPInit -* nb_dev: -* root bridge struct -* dev: -* p2p bridge struct -* port: -* p2p bridge number, 4-10 -*****************************************/ -void rs780_gpp_sb_init(struct device *nb_dev, struct device *dev, u32 port) -{ - u32 gfx_gpp_sb_sel; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - printk(BIOS_DEBUG, "gpp_sb_init nb_dev=0x%x, dev=0x%x, port=0x%x\n", nb_dev->path.pci.devfn, dev->path.pci.devfn, port); - - gfx_gpp_sb_sel = port >= 4 && port <= 8 ? - PCIE_CORE_INDEX_GPPSB : /* 4,5,6,7,8 */ - PCIE_CORE_INDEX_GPP; /* 9,10 */ - /* init GPP core */ - /* 5.10.8.3. Disable slave ordering logic */ - set_pcie_enable_bits(nb_dev, 0x20 | gfx_gpp_sb_sel, 1 << 8, - 1 << 8); - /* 5.10.8.7. PCIE initialization 5.10.2: rpr 2.12*/ - set_pcie_enable_bits(nb_dev, 0x02 | gfx_gpp_sb_sel, 1 << 0, 1 << 0); /* no description in datasheet. */ - - /* init GPPSB port. rpr 5.10.8 */ - /* 5.10.8.1-5.10.8.2. Sets RCB timeout to be 100ms/4=25ms by setting bits[18:16] to 3 h4 - * and shortens the enumeration timer by setting bit[19] to 1 - */ - set_pcie_enable_bits(dev, 0x70, 0xF << 16, 0x4 << 16 | 1 << 19); - /* 5.10.8.4. Sets DMA payload size to 64 bytes. */ - set_pcie_enable_bits(nb_dev, 0x10 | gfx_gpp_sb_sel, 7 << 10, 4 << 10); - /* 5.10.8.6. Disable RC ordering logic */ - set_pcie_enable_bits(nb_dev, 0x20 | gfx_gpp_sb_sel, 1 << 9, 1 << 9); - /* 5.10.8.7. Ignores DLLs druing L1 */ - set_pcie_enable_bits(nb_dev, 0x02 | gfx_gpp_sb_sel, 1 << 0, 1 << 0); - /* 5.10.8.8. Prevents LCto go from L0 to Rcv_L0s if L1 is armed. */ - set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); - /* 5.10.8.9. Sets timer in Config state from 20us to 1us. - * 5.10.8.10. De-asserts RX_EN in L0s - * 5.10.8.11. Enables de-assertion of PG2RX_CR_EN to lock clock recovery parameter when .. */ - set_pcie_enable_bits(dev, 0xB1, 1 << 23 | 1 << 19 | 1 << 28, 1 <<23 | 1 << 19 | 1 << 28); - /* 5.10.8.12. Turns off offset calibration */ - /* 5.10.8.13. Enables Rx Clock gating in CDR */ - if (gfx_gpp_sb_sel == PCIE_CORE_INDEX_GPPSB) - set_nbmisc_enable_bits(nb_dev, 0x67, 1 << 14 | 1 << 26, 1 << 14 | 1 << 26); /* 4,5,6,7 */ - else - set_nbmisc_enable_bits(nb_dev, 0x24, 1 << 29 | 1 << 28, 1 << 29 | 1 << 28); /* 9,10 */ - /* 5.10.8.14. Sets number of TX Clocks to drain TX Pipe to 3 */ - set_pcie_enable_bits(dev, 0xA0, 0xF << 4, 0x3 << 4); - /* 5.10.8.15. empty */ - /* 5.10.8.16. P_ELEC_IDLE_MODE */ - set_pcie_enable_bits(nb_dev, 0x40 | gfx_gpp_sb_sel, 0x3 << 14, 0x2 << 14); - /* 5.10.8.17. LC_BLOCK_EL_IDLE_IN_L0 */ - set_pcie_enable_bits(dev, 0xB1, 1 << 20, 1 << 20); - /* 5.10.8.18. LC_DONT_GO_TO_L0S_IFL1_ARMED */ - set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); - /* 5.10.8.19. RXP_REALIGN_ON_EACH_TSX_OR_SKP */ - set_pcie_enable_bits(nb_dev, 0x40 | gfx_gpp_sb_sel, 1 << 28, 0 << 28); - /* 5.10.8.20. Bypass lane de-skew logic if in x1 */ - set_pcie_enable_bits(nb_dev, 0xC2 | gfx_gpp_sb_sel, 1 << 14, 1 << 14); - /* 5.10.8.21. sets electrical idle threshold. */ - if (gfx_gpp_sb_sel == PCIE_CORE_INDEX_GPPSB) - set_nbmisc_enable_bits(nb_dev, 0x6A, 3 << 22, 2 << 22); - else - set_nbmisc_enable_bits(nb_dev, 0x24, 3 << 16, 2 << 16); - - /* 5.10.8.22. Disable GEN2 */ - /* TODO: should be 2 separated cases. */ - set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 31, 0 << 31); - set_nbmisc_enable_bits(nb_dev, 0x22, 1 << 5, 0 << 5); - set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 31, 0 << 31); - set_nbmisc_enable_bits(nb_dev, 0x37, 7 << 5, 0 << 5); - /* 5.10.8.23. Disables GEN2 capability of the device. RPR says enable? No! */ - set_pcie_enable_bits(dev, 0xA4, 1 << 0, 0 << 0); - /* 5.10.8.24. Disable advertising upconfigure support. */ - set_pcie_enable_bits(dev, 0xA2, 1 << 13, 1 << 13); - /* 5.10.8.25-26. STRAP_BIF_DSN_EN */ - if (gfx_gpp_sb_sel == PCIE_CORE_INDEX_GPPSB) - set_nbmisc_enable_bits(nb_dev, 0x68, 1 << 19, 0 << 19); - else - set_nbmisc_enable_bits(nb_dev, 0x22, 1 << 3, 0 << 3); - /* 5.10.8.27-28. */ - set_pcie_enable_bits(nb_dev, 0xC1 | gfx_gpp_sb_sel, 1 << 0 | 1 << 2, 1 << 0 | 0 << 2); - /* 5.10.8.29. Uses the bif_core de-emphasis strength by default. */ - if (gfx_gpp_sb_sel == PCIE_CORE_INDEX_GPPSB) { - set_nbmisc_enable_bits(nb_dev, 0x67, 1 << 10, 1 << 10); - set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 29, 1 << 29); - } - else { - set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 30, 1 << 30); - } - /* 5.10.8.30. Set TX arbitration algorithm to round robin. */ - set_pcie_enable_bits(nb_dev, 0x1C | gfx_gpp_sb_sel, - 1 << 0 | 0x1F << 1 | 0x1F << 6, - 1 << 0 | 0x04 << 1 | 0x04 << 6); - - /* check compliance rpr step 2.1*/ - if (AtiPcieCfg.Config & PCIE_GPP_COMPLIANCE) { - u32 tmp; - tmp = nbmisc_read_index(nb_dev, 0x67); - tmp |= 1 << 3; - nbmisc_write_index(nb_dev, 0x67, tmp); - } - - /* step 5: dynamic slave CPL buffer allocation. Disable it, otherwise linux hangs. Why? */ - /* set_pcie_enable_bits(nb_dev, 0x20 | gfx_gpp_sb_sel, 1 << 11, 1 << 11); */ - - /* step 5a: Training for GPP devices */ - /* init GPP */ - switch (port) { - case 4: /* GPP */ - case 5: - case 6: - case 7: - case 9: - case 10: - /* 5.10.8.5. Blocks DMA traffic during C3 state */ - set_pcie_enable_bits(dev, 0x10, 1 << 0, 0 << 0); - /* Enables TLP flushing */ - set_pcie_enable_bits(dev, 0x20, 1 << 19, 0 << 19); - - /* check port enable */ - if (cfg->port_enable & (1 << port)) { - PcieReleasePortTraining(nb_dev, dev, port); - if (!(AtiPcieCfg.Config & PCIE_GPP_COMPLIANCE)) { - u8 res = PcieTrainPort(nb_dev, dev, port); - printk(BIOS_DEBUG, "PcieTrainPort port=0x%x result=%d\n", port, res); - if (res) { - AtiPcieCfg.PortDetect |= 1 << port; - } - } - } - break; - case 8: /* SB */ - break; - } - PciePowerOffGppPorts(nb_dev, dev, port); -} - -/***************************************** -* Compliant with CIM_33's PCIEConfigureGPPCore -*****************************************/ -void config_gpp_core(struct device *nb_dev, struct device *sb_dev) -{ - u32 reg; - struct southbridge_amd_rs780_config *cfg = - (struct southbridge_amd_rs780_config *)nb_dev->chip_info; - - reg = nbmisc_read_index(nb_dev, 0x20); - if (AtiPcieCfg.Config & PCIE_ENABLE_STATIC_DEV_REMAP) - reg &= 0xfffffffd; /* set bit1 = 0 */ - else - reg |= 0x2; /* set bit1 = 1 */ - nbmisc_write_index(nb_dev, 0x20, reg); - - reg = nbmisc_read_index(nb_dev, 0x67); /* get STRAP_BIF_LINK_CONFIG_GPPSB at bit 4-7 */ - if (cfg->gppsb_configuration != ((reg >> 4) & 0xf)) - switching_gppsb_configurations(nb_dev, sb_dev); - reg = nbmisc_read_index(nb_dev, 0x2D); /* get STRAP_BIF_LINK_CONFIG_GPP at bit 7-10 */ - if (cfg->gpp_configuration != ((reg >> 7) & 0xf)) - switching_gpp_configurations(nb_dev, sb_dev); - ValidatePortEn(nb_dev); -} - -/** - * Hide unused Gpp port - */ -void pcie_hide_unused_ports(struct device *nb_dev) -{ - u16 hide = 0x6FC; /* skip port 0, 1, 8 */ - - hide &= ~(AtiPcieCfg.PortDetect | AtiPcieCfg.PortHp); - printk(BIOS_INFO, "rs780 unused GPP ports bitmap=0x%03x, force disabled\n", hide); - set_nbmisc_enable_bits(nb_dev, 0x0C, 0xFC, (hide & 0xFC)); /* bridge 2-7 */ - set_nbmisc_enable_bits(nb_dev, 0x0C, 0x30000, ((hide >> 9) & 0x3) << 16); /* bridge 9-a */ -} diff --git a/src/southbridge/amd/rs780/rev.h b/src/southbridge/amd/rs780/rev.h deleted file mode 100644 index 0db7b9622d..0000000000 --- a/src/southbridge/amd/rs780/rev.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __RS780_REV_H__ -#define __RS780_REV_H__ - -#define REV_RS780_A11 0 -#define REV_RS780_A12 1 -#define REV_RS780_A13 2 - -#endif /* __RS780_REV_H__ */ diff --git a/src/southbridge/amd/rs780/rs780.c b/src/southbridge/amd/rs780/rs780.c deleted file mode 100644 index fa9433b56b..0000000000 --- a/src/southbridge/amd/rs780/rs780.c +++ /dev/null @@ -1,363 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <arch/acpi.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ops.h> -#include <cpu/x86/msr.h> -#include <cpu/amd/mtrr.h> -#include "rs780.h" - -/***************************************** -* rs780_config_misc_clk() -*****************************************/ -void static rs780_config_misc_clk(struct device *nb_dev) -{ - u32 reg; - u16 word; - u8 byte; - pci_devfn_t d0f1 = PCI_DEV(0, 0, 1); - - reg = pci_read_config32(nb_dev, 0x4c); - reg |= 1 << 0; - pci_write_config32(nb_dev, 0x4c, reg); - - word = pci_io_read_config16(d0f1, 0xf8); - word &= 0xf00; - pci_io_write_config16(d0f1, 0xf8, word); - - word = pci_io_read_config16(d0f1, 0xe8); - word &= ~((1 << 12) | (1 << 13) | (1 << 14)); - word |= 1 << 13; - pci_io_write_config16(d0f1, 0xe8, word); - - reg = pci_io_read_config32(d0f1, 0x94); - reg &= ~((1 << 16) | (1 << 24) | (1 << 28)); - pci_io_write_config32(d0f1, 0x94, reg); - - reg = pci_io_read_config32(d0f1, 0x8c); - reg &= ~((1 << 13) | (1 << 14) | (1 << 24) | (1 << 25)); - reg |= 1 << 13; - pci_io_write_config32(d0f1, 0x8c, reg); - - reg = pci_io_read_config32(d0f1, 0xcc); - reg |= 1 << 24; - pci_io_write_config32(d0f1, 0xcc, reg); - - reg = nbmc_read_index(nb_dev, 0x7a); - reg &= ~0x3f; - reg |= 1 << 2; - reg &= ~(1 << 6); - set_htiu_enable_bits(nb_dev, 0x05, 1 << 11, 1 << 11); - nbmc_write_index(nb_dev, 0x7a, reg); - /* Powering Down efuse and strap block clocks after boot-up. GFX Mode. */ - reg = pci_io_read_config32(d0f1, 0xcc); - reg &= ~(1 << 23); - reg |= 1 << 24; - pci_io_write_config32(d0f1, 0xcc, reg); - - /* Programming NB CLK table. */ - byte = pci_io_read_config8(d0f1, 0xe0); - byte |= 0x01; - pci_io_write_config8(d0f1, 0xe0, byte); - -#if 0 - /* Powerdown reference clock to graphics core PLL in northbridge only mode */ - reg = pci_io_read_config32(d0f1, 0x8c); - reg |= 1 << 21; - pci_io_write_config32(d0f1, 0x8c, reg); - - /* Powering Down efuse and strap block clocks after boot-up. NB Only Mode. */ - reg = pci_io_read_config32(d0f1, 0xcc); - reg |= (1 << 23) | (1 << 24); - pci_io_write_config32(d0f1, 0xcc, reg); - - /* Powerdown clock to memory controller in northbridge only mode */ - byte = pci_io_read_config8(d0f1, 0xe4); - byte |= 1 << 0; - pci_io_write_config8(d0f1, 0xe4, reg); - - /* CLKCFG:0xE8 Bit[17] = 0x1 Powerdown clock to IOC GFX block in no external graphics mode */ - /* TODO: */ -#endif - - reg = pci_read_config32(nb_dev, 0x4c); - reg &= ~(1 << 0); - pci_write_config32(nb_dev, 0x4c, reg); - - set_htiu_enable_bits(nb_dev, 0x05, 7 << 8, 7 << 8); -} - -static u32 get_vid_did(struct device *dev) -{ - return pci_read_config32(dev, 0); -} - -static void rs780_nb_pci_table(struct device *nb_dev) -{ /* NBPOR_InitPOR function. */ - u8 temp8; - u16 temp16; - u32 temp32; - - /* Program NB PCI table. */ - temp16 = pci_read_config16(nb_dev, 0x04); - printk(BIOS_DEBUG, "NB_PCI_REG04 = %x.\n", temp16); - temp32 = pci_read_config32(nb_dev, 0x84); - printk(BIOS_DEBUG, "NB_PCI_REG84 = %x.\n", temp32); - - pci_write_config8(nb_dev, 0x4c, 0x42); - - temp8 = pci_read_config8(nb_dev, 0x4e); - temp8 |= 0x05; - pci_write_config8(nb_dev, 0x4e, temp8); - - temp32 = pci_read_config32(nb_dev, 0x4c); - printk(BIOS_DEBUG, "NB_PCI_REG4C = %x.\n", temp32); - - /* set temporary NB TOM to 0x40000000. */ - rs780_set_tom(nb_dev); - - /* Program NB HTIU table. */ -#if 0 - set_htiu_enable_bits(nb_dev, 0x05, 1<<10 | 1<<9, 1<<10|1<<9); - set_htiu_enable_bits(nb_dev, 0x06, 1, 0x4203a202); - set_htiu_enable_bits(nb_dev, 0x07, 1<<1 | 1<<2, 0x8001); - set_htiu_enable_bits(nb_dev, 0x15, 0, 1<<31 | 1<<30 | 1<<27); - set_htiu_enable_bits(nb_dev, 0x1c, 0, 0xfffe0000); - set_htiu_enable_bits(nb_dev, 0x4b, 1<<11, 1<<11); - set_htiu_enable_bits(nb_dev, 0x0c, 0x3f, 1 | 1<<3); - set_htiu_enable_bits(nb_dev, 0x17, 1<<1 | 1<<27, 1<<1); - set_htiu_enable_bits(nb_dev, 0x17, 0, 1<<30); - set_htiu_enable_bits(nb_dev, 0x19, 0xfffff+(1<<31), 0x186a0+(1<<31)); - set_htiu_enable_bits(nb_dev, 0x16, 0x3f<<10, 0x7<<10); - set_htiu_enable_bits(nb_dev, 0x23, 0, 1<<28); - - /* Program NB MISC table. */ - set_nbmisc_enable_bits(nb_dev, 0x0b, 0xffff, 0x00000180); - set_nbmisc_enable_bits(nb_dev, 0x00, 0xffff, 0x00000106); - set_nbmisc_enable_bits(nb_dev, 0x51, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x53, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x55, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x57, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x59, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x5b, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x5d, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x5f, 0xffffffff, 0x00100100); - set_nbmisc_enable_bits(nb_dev, 0x20, 1<<1, 0); - set_nbmisc_enable_bits(nb_dev, 0x37, 1<<11|1<<12|1<<13|1<<26, 0); - set_nbmisc_enable_bits(nb_dev, 0x68, 1<<5|1<<6, 1<<5); - set_nbmisc_enable_bits(nb_dev, 0x6b, 1<<22, 1<<10); - set_nbmisc_enable_bits(nb_dev, 0x67, 1<<26, 1<<14|1<<10); - set_nbmisc_enable_bits(nb_dev, 0x24, 1<<28|1<<26|1<<25|1<<16, 1<<29|1<<25); - set_nbmisc_enable_bits(nb_dev, 0x38, 1<<24|1<<25, 1<<24); - set_nbmisc_enable_bits(nb_dev, 0x36, 1<<29, 1<<29|1<<28); - set_nbmisc_enable_bits(nb_dev, 0x0c, 0, 1<<13); - set_nbmisc_enable_bits(nb_dev, 0x34, 1<<22, 1<<10); - set_nbmisc_enable_bits(nb_dev, 0x39, 1<<10, 1<<30); - set_nbmisc_enable_bits(nb_dev, 0x22, 1<<3, 0); - set_nbmisc_enable_bits(nb_dev, 0x68, 1<<19, 0); - set_nbmisc_enable_bits(nb_dev, 0x24, 1<<16|1<<17, 1<<17); - set_nbmisc_enable_bits(nb_dev, 0x6a, 1<<22|1<<23, 1<<17|1<<23); - set_nbmisc_enable_bits(nb_dev, 0x35, 1<<21|1<<22, 1<<22); - set_nbmisc_enable_bits(nb_dev, 0x01, 0xffffffff, 0x48); - - /* the last two step. */ - set_nbmisc_enable_bits(nb_dev, 0x01, 1<<8, 1<<8); - set_htiu_enable_bits(nb_dev, 0x2d, 1<<6|1<<4, 1<<6|1<<4); -#endif -} - -static void rs780_nb_gfx_dev_table(struct device *nb_dev, struct device *dev) -{ - /* NB_InitGFXStraps */ - u32 MMIOBase, apc04, apc18, apc24, romstrap2; - volatile u32 *strap; - - /* Choose a base address that is unused and routed to the RS780. */ - MMIOBase = 0xFFB00000; - - /* 1E: NB_BIF_SPARE */ - set_nbmisc_enable_bits(nb_dev, 0x1e, 0xffffffff, 1<<1 | 1<<4 | 1<<6 | 1<<7); - /* Set a temporary Bus number. */ - apc18 = pci_read_config32(dev, 0x18); - pci_write_config32(dev, 0x18, 0x010100); - /* Set MMIO window for AGP target(graphics controller). */ - apc24 = pci_read_config32(dev, 0x24); - pci_write_config32(dev, 0x24, (MMIOBase>>16)+((MMIOBase+0x20000)&0xffff0000)); - /* Enable memory access. */ - apc04 = pci_read_config32(dev, 0x04); - pci_write_config8(dev, 0x04, 0x02); - - /* Program Straps. */ - romstrap2 = 1 << 26; // enables audio function -#if CONFIG(GFXUMA) - // bits 7-9: aperture size - // 0-7: 128mb, 256mb, 64mb, 32mb, 512mb, 1g, 2g, 4g - if (uma_memory_size == 0x02000000) romstrap2 |= 3 << 7; - if (uma_memory_size == 0x04000000) romstrap2 |= 2 << 7; - if (uma_memory_size == 0x08000000) romstrap2 |= 0 << 7; - if (uma_memory_size == 0x10000000) romstrap2 |= 1 << 7; - if (uma_memory_size == 0x20000000) romstrap2 |= 4 << 7; - if (uma_memory_size == 0x40000000) romstrap2 |= 5 << 7; - if (uma_memory_size == 0x80000000) romstrap2 |= 6 << 7; -#endif - strap = (volatile u32 *)(MMIOBase + 0x15020); - *strap = romstrap2; - strap = (volatile u32 *)(MMIOBase + 0x15000); - *strap = 0x2c006300; - strap = (volatile u32 *)(MMIOBase + 0x15010); - *strap = 0x03015330; - strap = (volatile u32 *)(MMIOBase + 0x15020); - *strap = romstrap2 | 0x00000040; - strap = (volatile u32 *)(MMIOBase + 0x15030); - *strap = 0x00001002; - strap = (volatile u32 *)(MMIOBase + 0x15040); - *strap = 0x00000000; - strap = (volatile u32 *)(MMIOBase + 0x15050); - *strap = 0x00000000; - strap = (volatile u32 *)(MMIOBase + 0x15220); - *strap = 0x03c03800; - strap = (volatile u32 *)(MMIOBase + 0x15060); - *strap = 0x00000000; - - /* BIF switches into normal functional mode. */ - set_nbmisc_enable_bits(nb_dev, 0x1e, 1<<4 | 1<<5, 1<<5); - - /* NB Revision is A12 or newer */ - if (get_nb_rev(nb_dev) >= REV_RS780_A12) - set_nbmisc_enable_bits(nb_dev, 0x1e, 1<<9, 1<<9); - - /* Restore APC04, APC18, APC24. */ - pci_write_config32(dev, 0x04, apc04); - pci_write_config32(dev, 0x18, apc18); - pci_write_config32(dev, 0x24, apc24); - - printk(BIOS_INFO, "GC is accessible from now on.\n"); -} - -/*********************************************** -* 0:00.0 NBCFG : -* 0:00.1 CLK : bit 0 of nb_cfg 0x4c : 0 - disable, default -* 0:01.0 P2P Internal: -* 0:02.0 P2P : bit 2 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:03.0 P2P : bit 3 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:04.0 P2P : bit 4 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:05.0 P2P : bit 5 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:06.0 P2P : bit 6 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:07.0 P2P : bit 7 of nbmiscind 0x0c : 0 - enable, default + 32 * 2 -* 0:08.0 NB2SB : bit 6 of nbmiscind 0x00 : 0 - disable, default + 32 * 1 -* case 0 will be called twice, one is by CPU in hypertransport.c line458, -* the other is by rs780. -***********************************************/ -void rs780_enable(struct device *dev) -{ - struct device *nb_dev = NULL, *sb_dev = NULL; - int dev_ind; - - printk(BIOS_INFO, "rs780_enable: dev=%p, VID_DID=0x%x\n", dev, get_vid_did(dev)); - - nb_dev = pcidev_on_root(0, 0); - if (!nb_dev) { - die("rs780_enable: CAN NOT FIND RS780 DEVICE, HALT!\n"); - /* NOT REACHED */ - } - - /* sb_dev (dev 8) is a bridge that links to southbridge. */ - sb_dev = pcidev_on_root(8, 0); - if (!sb_dev) { - die("rs780_enable: CAN NOT FIND SB bridge, HALT!\n"); - /* NOT REACHED */ - } - - dev_ind = dev->path.pci.devfn >> 3; - switch (dev_ind) { - case 0: /* bus0, dev0, fun0; */ - printk(BIOS_INFO, "Bus-0, Dev-0, Fun-0.\n"); - enable_pcie_bar3(nb_dev); /* PCIEMiscInit */ - config_gpp_core(nb_dev, sb_dev); - rs780_gpp_sb_init(nb_dev, sb_dev, 8); - /* 5.10.8.4. set SB payload size: 64byte */ - set_pcie_enable_bits(nb_dev, 0x10 | PCIE_CORE_INDEX_GPPSB, 3 << 11, 2 << 11); - - /* Bus0Dev0Fun1Clock control init, we have to do it here, for dev0 Fun1 doesn't have a vendor or device ID */ - rs780_config_misc_clk(nb_dev); - - rs780_nb_pci_table(nb_dev); - break; - - case 1: /* bus0, dev1, APC. */ - printk(BIOS_INFO, "Bus-0, Dev-1, Fun-0.\n"); - rs780_nb_gfx_dev_table(nb_dev, dev); - break; - case 2: /* bus0, dev2,3, two GFX */ - case 3: - printk(BIOS_INFO, "Bus-0, Dev-2,3, Fun-0. enable=%d\n", dev->enabled); - set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind, - (dev->enabled ? 0 : 1) << dev_ind); - if (dev->enabled) - rs780_gfx_init(nb_dev, dev, dev_ind); - break; - case 4: /* bus0, dev4-7, four GPPSB */ - case 5: - case 6: - case 7: - printk(BIOS_INFO, "Bus-0, Dev-4,5,6,7, Fun-0. enable=%d\n", - dev->enabled); - set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind, - (dev->enabled ? 0 : 1) << dev_ind); - if (dev->enabled) - rs780_gpp_sb_init(nb_dev, dev, dev_ind); - break; - case 8: /* bus0, dev8, SB */ - printk(BIOS_INFO, "Bus-0, Dev-8, Fun-0. enable=%d\n", dev->enabled); - set_nbmisc_enable_bits(nb_dev, 0x00, 1 << 6, - (dev->enabled ? 1 : 0) << 6); - if (dev->enabled) - rs780_gpp_sb_init(nb_dev, dev, dev_ind); - break; - case 9: /* bus 0, dev 9,10, GPP */ - case 10: - printk(BIOS_INFO, "Bus-0, Dev-9, 10, Fun-0. enable=%d\n", - dev->enabled); - set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << (7 + dev_ind), - (dev->enabled ? 0 : 1) << (7 + dev_ind)); - if (dev->enabled) - rs780_gpp_sb_init(nb_dev, dev, dev_ind); - - if (dev_ind == 10) { - disable_pcie_bar3(nb_dev); - pcie_hide_unused_ports(nb_dev); - } - break; - default: - printk(BIOS_DEBUG, "unknown dev: %s\n", dev_path(dev)); - } -} - -unsigned long acpi_fill_mcfg(unsigned long current) -{ - /* FIXME - * Leave table blank until proper contents - * are determined. - */ - return current; -} - -struct chip_operations southbridge_amd_rs780_ops = { - CHIP_NAME("ATI RS780") - .enable_dev = rs780_enable, -}; diff --git a/src/southbridge/amd/rs780/rs780.h b/src/southbridge/amd/rs780/rs780.h deleted file mode 100644 index 3a9dbeee25..0000000000 --- a/src/southbridge/amd/rs780/rs780.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __RS780_H__ -#define __RS780_H__ - -#include <stdint.h> -#include "chip.h" -#include "rev.h" - -#define NBMISC_INDEX 0x60 -#define NBHTIU_INDEX 0x94 -#define NBMC_INDEX 0xE8 -#define NBPCIE_INDEX 0xE0 -#define EXT_CONF_BASE_ADDRESS 0xE0000000 -#define TEMP_MMIO_BASE_ADDRESS 0xC0000000 - -#define get_nb_rev(dev) pci_read_config8((dev), 0x89) - -typedef struct __PCIE_CFG__ { - u16 Config; - u8 ResetReleaseDelay; - u8 Gfx0Width; - u8 Gfx1Width; - u8 GfxPayload; - u8 GppPayload; - u16 PortDetect; - u8 PortHp; /* hot plug */ - u16 DbgConfig; - u32 DbgConfig2; - u8 GfxLx; - u8 GppLx; - u8 NBSBLx; - u8 PortSlotInit; - u8 Gfx0Pwr; - u8 Gfx1Pwr; - u8 GppPwr; -} PCIE_CFG; - -/* The Integrated Info Table */ -#define USHORT u16 -#define UCHAR u8 -#define ULONG u32 - -typedef struct _ATOM_COMMON_TABLE_HEADER -{ - USHORT usStructureSize; - UCHAR ucTableFormatRevision; - UCHAR ucTableContentRevision; -}ATOM_COMMON_TABLE_HEADER; - -typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 -{ - ATOM_COMMON_TABLE_HEADER sHeader; - ULONG ulBootUpEngineClock; //in 10kHz unit - ULONG ulReserved1[2]; //must be 0x0 for the reserved - ULONG ulBootUpUMAClock; //in 10kHz unit - ULONG ulBootUpSidePortClock; //in 10kHz unit - ULONG ulMinSidePortClock; //in 10kHz unit - ULONG ulReserved2[6]; //must be 0x0 for the reserved - ULONG ulSystemConfig; -//[0]=1: PowerExpress mode -// =0 Non-PowerExpress mode; -//[1]=1: system boots up at AMD overdriven state or user customized mode. In this case, driver will disable other power state in VBIOS table. -// =0: system boots up at driver control state. Power state depends on VBIOS PP table. -//[2]=1: PWM method is used on NB voltage control. -// =0: GPIO method is used. -//[3]=1: Only one power state(Performance) will be supported. -// =0: Number of power states supported is from VBIOS PP table. -//[4]=1: CLMC is supported and enabled on current system. -// =0: CLMC is not supported or enabled on current system. SBIOS need to support HT link/freq change through ATIF interface. -//[5]=1: Enable CDLW for all driver control power states. Max HT width is from SBIOS, while Min HT width is determined by display requirement. -// =0: CDLW is disabled. If CLMC is enabled case, Min HT width will be set equal to Max HT width. If CLMC disabled case, Max HT width will be applied. -//[6]=1: High Voltage requested for all power states. In this case, voltage will be forced at 1.1v and VBIOS PP table voltage drop/throttling request will be ignored. -// =0: Voltage settings is determined by VBIOS PP table. -//[7]=1: Enable CLMC Hybrid Mode. CDLD and CILR will be disabled in this case and we're using legacy C1E. This is workaround for CPU(Griffin) performance issue. -// =0: Enable regular CLMC mode, CDLD and CILR will be enabled. -//[8]=1: CDLF is supported and enabled by fuse //CHP 914 -// =0: CDLF is not supported and not enabled by fuses - ULONG ulBootUpReqDisplayVector; - ULONG ulOtherDisplayMisc; - ULONG ulDDISlot1Config; - ULONG ulDDISlot2Config; - UCHAR ucMemoryType; //[3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved - UCHAR ucUMAChannelNumber; - UCHAR ucDockingPinBit; - UCHAR ucDockingPinPolarity; - ULONG ulDockingPinCFGInfo; - ULONG ulCPUCapInfo; - USHORT usNumberOfCyclesInPeriod; //usNumberOfCyclesInPeriod[15] = 0 - invert waveform - // 1 - non inverted waveform - USHORT usMaxNBVoltage; - USHORT usMinNBVoltage; - USHORT usBootUpNBVoltage; - ULONG ulHTLinkFreq; //in 10Khz - USHORT usMinHTLinkWidth; // if no CLMC, usMinHTLinkWidth should be equal to usMaxHTLinkWidth?? - USHORT usMaxHTLinkWidth; - USHORT usUMASyncStartDelay; // will be same as usK8SyncStartDelay on RS690 - USHORT usUMADataReturnTime; // will be same as usK8DataReturnTime on RS690 - USHORT usLinkStatusZeroTime; - USHORT usReserved; - ULONG ulHighVoltageHTLinkFreq; // in 10Khz - ULONG ulLowVoltageHTLinkFreq; // in 10Khz - USHORT usMaxUpStreamHTLinkWidth; - USHORT usMaxDownStreamHTLinkWidth; - USHORT usMinUpStreamHTLinkWidth; - USHORT usMinDownStreamHTLinkWidth; - ULONG ulReserved3[97]; //must be 0x0 -} ATOM_INTEGRATED_SYSTEM_INFO_V2; - -/* PCIE config flags */ -#define PCIE_DUALSLOT_CONFIG (1 << 0) -#define PCIE_OVERCLOCK_ENABLE (1 << 1) -#define PCIE_GPP_CLK_GATING (1 << 2) -#define PCIE_ENABLE_STATIC_DEV_REMAP (1 << 3) -#define PCIE_OFF_UNUSED_GFX_LANES (1 << 4) -#define PCIE_OFF_UNUSED_GPP_LANES (1 << 5) -#define PCIE_DISABLE_HIDE_UNUSED_PORTS (1 << 7) -#define PCIE_GFX_CLK_GATING (1 << 11) -#define PCIE_GFX_COMPLIANCE (1 << 14) -#define PCIE_GPP_COMPLIANCE (1 << 15) - -/* -------------------- ---------------------- -* NBMISCIND - ------------------- -----------------------*/ -#define PCIE_LINK_CFG 0x8 -#define PCIE_NBCFG_REG7 0x37 -#define STRAPS_OUTPUT_MUX_7 0x67 -#define STRAPS_OUTPUT_MUX_A 0x6a - -/* -------------------- ---------------------- -* PCIEIND - ------------------- -----------------------*/ -#define PCIE_CI_CNTL 0x20 -#define PCIE_LC_LINK_WIDTH 0xa2 -#define PCIE_LC_STATE0 0xa5 -#define PCIE_VC0_RESOURCE_STATUS 0x12a /* 16bit read only */ - -#define PCIE_CORE_INDEX_GFX (0x00 << 16) /* see 5.2.2 */ -#define PCIE_CORE_INDEX_GPPSB (0x01 << 16) -#define PCIE_CORE_INDEX_GPP (0x02 << 16) -#define PCIE_CORE_INDEX_BRDCST (0x03 << 16) - -/* contents of PCIE_NBCFG_REG7 */ -#define RECONFIG_GPPSB_EN (1 << 12) -#define RECONFIG_GPPSB_GPPSB (1 << 14) -#define RECONFIG_GPPSB_LINK_CONFIG (1 << 15) -#define RECONFIG_GPPSB_ATOMIC_RESET (1 << 17) - -/* contents of PCIE_VC0_RESOURCE_STATUS */ -#define VC_NEGOTIATION_PENDING (1 << 1) - -#define LC_STATE_RECONFIG_GPPSB 0x10 - -/* ------------------------------------------------ -* Global variable -* ------------------------------------------------- */ -extern PCIE_CFG AtiPcieCfg; - -#if ENV_RAMSTAGE -/* ----------------- export functions ----------------- */ -u32 nbmisc_read_index(struct device * nb_dev, u32 index); -void nbmisc_write_index(struct device * nb_dev, u32 index, u32 data); -u32 nbpcie_p_read_index(struct device * dev, u32 index); -void nbpcie_p_write_index(struct device * dev, u32 index, u32 data); -u32 nbpcie_ind_read_index(struct device * nb_dev, u32 index); -void nbpcie_ind_write_index(struct device * nb_dev, u32 index, u32 data); -u32 htiu_read_index(struct device * nb_dev, u32 index); -void htiu_write_index(struct device * nb_dev, u32 index, u32 data); -u32 nbmc_read_index(struct device * nb_dev, u32 index); -void nbmc_write_index(struct device * nb_dev, u32 index, u32 data); - -u32 pci_ext_read_config32(struct device *nb_dev, struct device *dev, u32 reg); -void pci_ext_write_config32(struct device *nb_dev, struct device *dev, u32 reg, u32 mask, u32 val); - -void set_nbcfg_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); -void set_nbcfg_enable_bits_8(struct device * nb_dev, u32 reg_pos, u8 mask, u8 val); -void set_nbmc_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); -void set_htiu_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); - -void set_nbmisc_enable_bits(struct device * nb_dev, u32 reg_pos, u32 mask, u32 val); - -void set_pcie_enable_bits(struct device *dev, u32 reg_pos, u32 mask, u32 val); -void rs780_set_tom(struct device *nb_dev); - -void ProgK8TempMmioBase(u8 in_out, u32 pcie_base_add, u32 mmio_base_add); -void enable_pcie_bar3(struct device *nb_dev); -void disable_pcie_bar3(struct device *nb_dev); - -void rs780_enable(struct device *dev); -void rs780_gpp_sb_init(struct device *nb_dev, struct device *dev, u32 port); -void rs780_gfx_init(struct device *nb_dev, struct device *dev, u32 port); -void avoid_lpc_dma_deadlock(struct device *nb_dev, struct device *sb_dev); -void config_gpp_core(struct device *nb_dev, struct device *sb_dev); -void PcieReleasePortTraining(struct device *nb_dev, struct device *dev, u32 port); -u8 PcieTrainPort(struct device *nb_dev, struct device *dev, u32 port); - -void pcie_hide_unused_ports(struct device *nb_dev); - -#endif - -u32 extractbit(u32 data, int bit_number); -u32 extractbits(u32 source, int lsb, int msb); -int cpuidFamily(void); -int is_family0Fh(void); -int is_family10h(void); - -void enable_rs780_dev8(void); -void rs780_early_setup(void); -void rs780_htinit(void); -int is_dev3_present(void); -void set_pcie_reset(void); -void set_pcie_dereset(void); - -#endif /* __RS780_H__ */ |