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Diffstat (limited to 'src/southbridge/amd/sb600/sm.c')
| -rw-r--r-- | src/southbridge/amd/sb600/sm.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/src/southbridge/amd/sb600/sm.c b/src/southbridge/amd/sb600/sm.c deleted file mode 100644 index 755dcefb2d..0000000000 --- a/src/southbridge/amd/sb600/sm.c +++ /dev/null @@ -1,387 +0,0 @@ -/* This file is part of the coreboot project. - * - * Copyright (C) 2008 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <types.h> -#include <lib.h> -#include <console.h> -#include <device/pci.h> -#include <msr.h> -#include <legacy.h> -#include <device/pci_ids.h> -#include <statictree.h> -#include <config.h> -#include "sb600.h" -#include "sb600_smbus.c" - -#define NMI_OFF 0 - -#define MAINBOARD_POWER_OFF 0 -#define MAINBOARD_POWER_ON 1 - -#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL -#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON -#endif - -struct ioapicreg { - unsigned int reg; - unsigned int value_low, value_high; -}; - -static struct ioapicreg ioapicregvalues[] = { -#define ALL (0xff << 24) -#define NONE (0) -#define DISABLED (1 << 16) -#define ENABLED (0 << 16) -#define TRIGGER_EDGE (0 << 15) -#define TRIGGER_LEVEL (1 << 15) -#define POLARITY_HIGH (0 << 13) -#define POLARITY_LOW (1 << 13) -#define PHYSICAL_DEST (0 << 11) -#define LOGICAL_DEST (1 << 11) -#define ExtINT (7 << 8) -#define NMI (4 << 8) -#define SMI (2 << 8) -#define INT (1 << 8) - /* IO-APIC virtual wire mode configuration */ - /* mask, trigger, polarity, destination, delivery, vector */ - {0, DISABLED, NONE}, - {1, DISABLED, NONE}, - {2, DISABLED, NONE}, - {3, DISABLED, NONE}, - {4, DISABLED, NONE}, - {5, DISABLED, NONE}, - {6, DISABLED, NONE}, - {7, DISABLED, NONE}, - {8, DISABLED, NONE}, - {9, DISABLED, NONE}, - {10, DISABLED, NONE}, - {11, DISABLED, NONE}, - {12, DISABLED, NONE}, - {13, DISABLED, NONE}, - {14, DISABLED, NONE}, - {15, DISABLED, NONE}, - {16, DISABLED, NONE}, - {17, DISABLED, NONE}, - {18, DISABLED, NONE}, - {19, DISABLED, NONE}, - {20, DISABLED, NONE}, - {21, DISABLED, NONE}, - {22, DISABLED, NONE}, - {23, DISABLED, NONE}, - /* Be careful and don't write past the end... */ -}; - -static void setup_ioapic(unsigned long ioapic_base) -{ - int i; - unsigned long value_low, value_high; - volatile unsigned long *l; - struct ioapicreg *a = ioapicregvalues; - - ioapicregvalues[0].value_high = lapicid() << (56 - 32); - - printk(BIOS_DEBUG, "lapicid = %016x\n", ioapicregvalues[0].value_high); - - l = (unsigned long *)ioapic_base; - - for (i = 0; i < ARRAY_SIZE(ioapicregvalues); - i++, a++) { - l[0] = (a->reg * 2) + 0x10; - l[4] = a->value_low; - value_low = l[4]; - l[0] = (a->reg * 2) + 0x11; - l[4] = a->value_high; - value_high = l[4]; - if ((i == 0) && (value_low == 0xffffffff)) { - printk_warning("IO APIC not responding.\n"); - return; - } - } -} - -/* -* SB600 enables all USB controllers by default in SMBUS Control. -* SB600 enables SATA by default in SMBUS Control. -*/ -static void sm_init(struct device * dev) -{ - u8 byte; - u8 byte_old; - u32 dword; - unsigned long ioapic_base; - int on; - int nmi_option; - - printk(BIOS_INFO, "sm_init().\n"); - - ioapic_base = pci_read_config32(dev, 0x74) & (0xffffffe0); /* some like mem resource, but does not have enable bit */ - setup_ioapic(ioapic_base); - - dword = pci_read_config8(dev, 0x62); - dword |= 1 << 2; - pci_write_config8(dev, 0x62, dword); - - dword = pci_read_config32(dev, 0x78); - dword |= 1 << 9; - pci_write_config32(dev, 0x78, dword); /* enable 0xCD6 0xCD7 */ - - /* enable serial irq */ - byte = pci_read_config8(dev, 0x69); - byte |= 1 << 7; /* enable serial irq function */ - byte &= ~(0xF << 2); - byte |= 4 << 2; /* set NumSerIrqBits=4 */ - pci_write_config8(dev, 0x69, byte); - - byte = pm_ioread(0x61); - byte |= 1 << 1; /* Set to enable NB/SB handshake during IOAPIC interrupt for AMD K8/K7 */ - pm_iowrite(0x61, byte); - - /* disable SMI */ - byte = pm_ioread(0x53); - byte |= 1 << 3; - pm_iowrite(0x53, byte); - - /* power after power fail */ - on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL; - get_option(&on, "power_on_after_fail"); - byte = pm_ioread(0x74); - byte &= ~0x03; - if (on) { - byte |= 2; - } - byte |= 1 << 2; - pm_iowrite(0x74, byte); - printk(BIOS_INFO, "set power %s after power fail\n", on ? "on" : "off"); - - /* sb600 rpr:2.3.3: */ - byte = pm_ioread(0x9A); - byte |= 1 << 5 | 1 << 4 | 1 << 2; - pm_iowrite(0x9A, byte); - - byte = pm_ioread(0x8F); - byte |= 1 << 5; - byte &= ~(1 << 4); - pm_iowrite(0x8F, byte); - - pm_iowrite(0x8B, 0x01); - pm_iowrite(0x8A, 0x90); - pm_iowrite(0x88, 0x10); /* A21 */ - - byte = pm_ioread(0x7C); - byte |= 1 << 0; - pm_iowrite(0x7C, byte); - - byte = pm_ioread(0x68); - byte &= ~(1 << 1); - pm_iowrite(0x68, byte); - - byte = pm_ioread(0x8D); - byte &= ~(1 << 6); - pm_iowrite(0x8D, byte); - - byte = pm_ioread(0x61); - byte &= ~(1 << 2); - pm_iowrite(0x61, byte); - - byte = pm_ioread(0x42); - byte &= ~(1 << 2); - pm_iowrite(0x42, byte); - - /* Set up NMI on errors */ - byte = inb(0x70); /* RTC70 */ - byte_old = byte; - nmi_option = NMI_OFF; - get_option(&nmi_option, "nmi"); - if (nmi_option) { - byte &= ~(1 << 7); /* set NMI */ - printk(BIOS_INFO, "++++++++++set NMI+++++\n"); - } else { - byte |= (1 << 7); /* Can not mask NMI from PCI-E and NMI_NOW */ - printk(BIOS_INFO, "++++++++++no set NMI+++++\n"); - } - byte &= ~(1 << 7); - if (byte != byte_old) { - outb(byte, 0x70); - } - - /* 2.10 IO Trap Settings */ - abcfg_reg(0x10090, 1 << 16, 1 << 16); - - /* ab index */ - pci_write_config32(dev, 0xF0, AB_INDX); - /* Initialize the real time clock */ - rtc_init(0); - - /*3.4 Enabling IDE/PCIB Prefetch for Performance Enhancement */ - abcfg_reg(0x10060, 9 << 17, 9 << 17); - abcfg_reg(0x10064, 9 << 17, 9 << 17); - - /* 3.5 Enabling OHCI Prefetch for Performance Enhancement */ - abcfg_reg(0x80, 1 << 0, 1<< 0); - - /* 3.6 B-Link Client's Credit Variable Settings for the Downstream Arbitration Equation */ - /* 3.7 Enabling Additional Address Bits Checking in Downstream */ - abcfg_reg(0x9c, 3 << 0, 3 << 0); - - /* 3.8 Set B-Link Prefetch Mode */ - abcfg_reg(0x80, 3 << 17, 3 << 17); - - /* 3.9 Enabling Detection of Upstream Interrupts */ - abcfg_reg(0x94, 1 << 20,1 << 20); - - /* 3.10: Enabling Downstream Posted Transactions to Pass Non-Posted - * Transactions for the K8 Platform (for All Revisions) */ - abcfg_reg(0x10090, 1 << 8, 1 << 8); - - /* 3.11:Programming Cycle Delay for AB and BIF Clock Gating */ - /* 3.12: Enabling AB and BIF Clock Gating */ - abcfg_reg(0x10054, 0xFFFF0000, 0x1040000); - abcfg_reg(0x54, 0xFF << 16, 4 << 16); - printk(BIOS_INFO, "3.11, ABCFG:0x54\n"); - abcfg_reg(0x54, 1 << 24, 1 << 24); - printk(BIOS_INFO, "3.12, ABCFG:0x54\n"); - abcfg_reg(0x98, 0x0000FF00, 0x00004700); - - /* 3.13:Enabling AB Int_Arbiter Enhancement (for All Revisions) */ - abcfg_reg(0x10054, 0x0000FFFF, 0x07FF); - - /* 3.14:Enabling L1 on A-link Express */ - axcfg_reg(0x68, 0x00000003, 0x2); - axindxp_reg(0xa0, 0x0000F000, 0x6000); - - abcfg_reg(0x10098, 0xFFFFFFFF, 0x4000); - abcfg_reg(0x04, 0xFFFFFFFF, 0x6); - printk(BIOS_INFO, "sm_init() end\n"); - - /* Enable NbSb virtual channel */ - axcfg_reg(0x114, 0x3f << 1, 0 << 1); - axcfg_reg(0x120, 0x7f << 1, 0x7f << 1); - axcfg_reg(0x120, 7 << 24, 1 << 24); - axcfg_reg(0x120, 1 << 31, 1 << 31); - abcfg_reg(0x50, 1 << 3, 1 << 3); -} - -static int lsmbus_recv_byte(struct device * dev) -{ - u32 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - - res = find_resource(pbus->dev, 0x10); - - return do_smbus_recv_byte(res->base, device); -} - -static int lsmbus_send_byte(struct device * dev, u8 val) -{ - u32 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - - res = find_resource(pbus->dev, 0x10); - - return do_smbus_send_byte(res->base, device, val); -} - -static int lsmbus_read_byte(struct device * dev, u8 address) -{ - u32 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - - res = find_resource(pbus->dev, 0x10); - - return do_smbus_read_byte(res->base, device, address); -} - -static int lsmbus_write_byte(struct device * dev, u8 address, u8 val) -{ - u32 device; - struct resource *res; - struct bus *pbus; - - device = dev->path.i2c.device; - pbus = get_pbus_smbus(dev); - - res = find_resource(pbus->dev, 0x10); - - return do_smbus_write_byte(res->base, device, address, val); -} -static struct smbus_bus_operations lops_smbus_bus = { - .recv_byte = lsmbus_recv_byte, - .send_byte = lsmbus_send_byte, - .read_byte = lsmbus_read_byte, - .write_byte = lsmbus_write_byte, -}; - -static void sb600_sm_read_resources(struct device * dev) -{ - struct resource *res; - - /* Get the normal pci resources of this device */ - pci_dev_read_resources(dev); - - /* apic */ - res = new_resource(dev, 0x74); - res->base = 0xfec00000; - res->size = 256 * 0x10; - res->limit = 0xFFFFFFFFUL; /* res->base + res->size -1; */ - res->align = 8; - res->gran = 8; - res->flags = IORESOURCE_MEM | IORESOURCE_FIXED; - - /* dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; */ - - compact_resources(dev); - -} -static void sb600_sm_set_resources(struct device *dev) -{ - struct resource *res; - - pci_dev_set_resources(dev); - - res = find_resource(dev, 0x74); - pci_write_config32(dev, 0x74, res->base | 1 << 3); -} - -static struct pci_operations lops_pci = { - .set_subsystem = pci_dev_set_subsystem, -}; -struct device_operations sb600_sm = { - .id = {.type = DEVICE_ID_PCI, - {.pci = {.vendor = PCI_VENDOR_ID_ATI, - .device = PCI_DEVICE_ID_ATI_SB600_SM}}}, - .constructor = default_device_constructor, - .phase3_scan = 0, - .phase4_read_resources = sb600_sm_read_resources, - .phase4_set_resources = sb600_sm_set_resources, - .phase5_enable_resources = pci_dev_enable_resources, - .phase6_init = sm_init, - .ops_pci = &lops_pci - .ops_smbus_bus = &lops_smbus_bus, -};
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