diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/i82830/Kconfig | 30 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/Makefile.inc | 8 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/i82830.h | 52 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/memory_initialized.c | 26 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/northbridge.c | 130 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/raminit.c | 508 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/raminit.h | 26 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/smihandler.c | 387 | ||||
| -rw-r--r-- | src/northbridge/intel/i82830/vga.c | 87 |
9 files changed, 0 insertions, 1254 deletions
diff --git a/src/northbridge/intel/i82830/Kconfig b/src/northbridge/intel/i82830/Kconfig deleted file mode 100644 index d0bee8f9eb..0000000000 --- a/src/northbridge/intel/i82830/Kconfig +++ /dev/null @@ -1,30 +0,0 @@ -config NORTHBRIDGE_INTEL_I82830 - bool - select NO_MMCONF_SUPPORT - select HAVE_DEBUG_RAM_SETUP - select LATE_CBMEM_INIT - select UDELAY_IO - -choice - prompt "Onboard graphics" - default I830_VIDEO_MB_8MB - depends on NORTHBRIDGE_INTEL_I82830 - -config I830_VIDEO_MB_OFF - bool "Disabled, 0KB" -config I830_VIDEO_MB_512KB - bool "Enabled, 512KB" -config I830_VIDEO_MB_1MB - bool "Enabled, 1MB" -config I830_VIDEO_MB_8MB - bool "Enabled, 8MB" - -endchoice - -config VIDEO_MB - int - default 0 if I830_VIDEO_MB_OFF - default 512 if I830_VIDEO_MB_512KB - default 1 if I830_VIDEO_MB_1MB - default 8 if I830_VIDEO_MB_8MB - depends on NORTHBRIDGE_INTEL_I82830 diff --git a/src/northbridge/intel/i82830/Makefile.inc b/src/northbridge/intel/i82830/Makefile.inc deleted file mode 100644 index ebbae8111d..0000000000 --- a/src/northbridge/intel/i82830/Makefile.inc +++ /dev/null @@ -1,8 +0,0 @@ -ifeq ($(CONFIG_NORTHBRIDGE_INTEL_I82830),y) - -ramstage-y += northbridge.c -ramstage-y += vga.c - -smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c - -endif diff --git a/src/northbridge/intel/i82830/i82830.h b/src/northbridge/intel/i82830/i82830.h deleted file mode 100644 index a4b0a86c89..0000000000 --- a/src/northbridge/intel/i82830/i82830.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008 Joseph Smith <joe@smittys.pointclark.net> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 NORTHBRIDGE_INTEL_I82830_I82830_H -#define NORTHBRIDGE_INTEL_I82830_I82830_H - -#define RRBAR 0x48 /* Register Range Base Address (0x00000000) */ -#define GCC0 0x50 /* GMCH Control #0 (0xa072) */ -#define GCC1 0x52 /* GMCH Control #1 (0x0000) */ -#define FDHC 0x58 /* Fixed DRAM Hole Control (0x00) */ -#define PAM0 0x59 /* Programmable Attribute Map #0 (0x00) */ -#define PAM1 0x5a /* Programmable Attribute Map #1 (0x00) */ -#define PAM2 0x5b /* Programmable Attribute Map #2 (0x00) */ -#define PAM3 0x5c /* Programmable Attribute Map #3 (0x00) */ -#define PAM4 0x5d /* Programmable Attribute Map #4 (0x00) */ -#define PAM5 0x5e /* Programmable Attribute Map #5 (0x00) */ -#define PAM6 0x5f /* Programmable Attribute Map #6 (0x00) */ -#define DRB 0x60 /* DRAM Row Boundary #0 (0x00) */ -#define DRB1 0x61 /* DRAM Row Boundary #1 (0x00) */ -#define DRB2 0x62 /* DRAM Row Boundary #2 (0x00) */ -#define DRB3 0x63 /* DRAM Row Boundary #3 (0x00) */ -#define DRA 0x70 /* DRAM Row Attribute #0 (0xff) */ -#define DRA1 0x71 /* DRAM Row Attribute #1 (0xff) */ -#define DRT 0x78 /* DRAM Timing (0x00000010) */ -#define DRC 0x7c /* DRAM Controller Mode #0 (0x00000000) */ -#define DRC1 0x7d /* DRAM Controller Mode #1 (0x00000000) */ -#define DRC2 0x7e /* DRAM Controller Mode #2 (0x00000000) */ -#define DRC3 0x7f /* DRAM Controller Mode #3 (0x00000000) */ -#define DTC 0x8c /* DRAM Throttling Control (0x00000000) */ -#define SMRAM 0x90 /* System Management RAM Control (0x02) */ -#define ESMRAMC 0x91 /* Extended System Management RAM Control Reg. (0x38) */ -#define ERRSTS 0x92 /* Error Status (0x0000) */ -#define ERRCMD 0x94 /* Error Command (0x0000) */ -#define BUFF_SC 0xec /* System Memory Buffer Strength Control (0x00000000) */ -#define APBASE 0x10 /* Aperture Base Configuration (0x00000008) */ -#define APSIZE 0xb4 /* Aperture Size (0x00) */ -#define ATTBASE 0xb8 /* Aperture Translation Table Base (0x00000000) */ - -#endif /* NORTHBRIDGE_INTEL_I82830_I82830_H */ diff --git a/src/northbridge/intel/i82830/memory_initialized.c b/src/northbridge/intel/i82830/memory_initialized.c deleted file mode 100644 index 7ccc1a69c2..0000000000 --- a/src/northbridge/intel/i82830/memory_initialized.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008 Joseph Smith <joe@settoplinux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 "i82830.h" -#define NB_DEV PCI_DEV(0, 0, 0) - -static inline int memory_initialized(void) -{ - u32 drc; - drc = pci_read_config32(NB_DEV, DRC); - return (drc & (1<<29)); -} diff --git a/src/northbridge/intel/i82830/northbridge.c b/src/northbridge/intel/i82830/northbridge.c deleted file mode 100644 index ce9a3fbe0b..0000000000 --- a/src/northbridge/intel/i82830/northbridge.c +++ /dev/null @@ -1,130 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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/io.h> -#include <stdint.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <cbmem.h> -#include <cpu/cpu.h> -#include <stdlib.h> -#include <string.h> -#include "i82830.h" - -static void northbridge_init(device_t dev) -{ - printk(BIOS_SPEW, "Northbridge init\n"); -} - -static struct device_operations northbridge_operations = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = northbridge_init, - .enable = 0, - .ops_pci = 0, -}; - -static const struct pci_driver northbridge_driver __pci_driver = { - .ops = &northbridge_operations, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x3575, -}; - -static void pci_domain_set_resources(device_t dev) -{ - device_t mc_dev; - int igd_memory = 0; - uint64_t uma_memory_base = 0, uma_memory_size = 0; - - mc_dev = dev->link_list->children; - if (!mc_dev) - return; - - unsigned long tomk, tomk_stolen; - int idx; - - if (CONFIG_VIDEO_MB == 512) { - igd_memory = (CONFIG_VIDEO_MB); - printk(BIOS_DEBUG, "%dKB IGD UMA\n", igd_memory >> 10); - } else { - igd_memory = (CONFIG_VIDEO_MB * 1024); - printk(BIOS_DEBUG, "%dMB IGD UMA\n", igd_memory >> 10); - } - - /* Get the value of the highest DRB. This tells the end of - * the physical memory. The units are ticks of 32MB - * i.e. 1 means 32MB. - */ - tomk = ((unsigned long)pci_read_config8(mc_dev, DRB + 3)) << 15; - tomk_stolen = tomk - igd_memory; - - /* For reserving UMA memory in the memory map */ - uma_memory_base = tomk_stolen * 1024ULL; - uma_memory_size = igd_memory * 1024ULL; - printk(BIOS_DEBUG, "Available memory: %ldKB\n", tomk_stolen); - - /* Report the memory regions. */ - idx = 10; - ram_resource(dev, idx++, 0, 640); - ram_resource(dev, idx++, 768, tomk - 768); - uma_resource(dev, idx++, uma_memory_base >> 10, uma_memory_size >> 10); - - assign_resources(dev->link_list); - - set_late_cbmem_top(tomk_stolen * 1024); -} - -static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = pci_domain_set_resources, - .enable_resources = NULL, - .init = NULL, - .scan_bus = pci_domain_scan_bus, - .ops_pci_bus = pci_bus_default_ops, -}; - -static void cpu_bus_init(device_t dev) -{ - initialize_cpus(dev->link_list); -} - -static struct device_operations cpu_bus_ops = { - .read_resources = DEVICE_NOOP, - .set_resources = DEVICE_NOOP, - .enable_resources = DEVICE_NOOP, - .init = cpu_bus_init, - .scan_bus = 0, -}; - -static void enable_dev(struct device *dev) -{ - struct device_path; - - /* Set the operations if it is a special bus type. */ - if (dev->path.type == DEVICE_PATH_DOMAIN) { - dev->ops = &pci_domain_ops; - } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { - dev->ops = &cpu_bus_ops; - } -} - -struct chip_operations northbridge_intel_i82830_ops = { - CHIP_NAME("Intel 82830 Northbridge") - .enable_dev = enable_dev, -}; diff --git a/src/northbridge/intel/i82830/raminit.c b/src/northbridge/intel/i82830/raminit.c deleted file mode 100644 index e0f2c6e476..0000000000 --- a/src/northbridge/intel/i82830/raminit.c +++ /dev/null @@ -1,508 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 <spd.h> -#include <delay.h> -#include "lib/debug.c" -#include "i82830.h" - -/*----------------------------------------------------------------------------- -Macros and definitions. ------------------------------------------------------------------------------*/ - -/* Debugging macros. */ -#if IS_ENABLED(CONFIG_DEBUG_RAM_SETUP) -#define PRINTK_DEBUG(x...) printk(BIOS_DEBUG, x) -#define DUMPNORTH() dump_pci_device(PCI_DEV(0, 0, 0)) -#else -#define PRINTK_DEBUG(x...) -#define DUMPNORTH() -#endif - -/* DRC[10:8] - Refresh Mode Select (RMS). - * 0x0 for Refresh Disabled (Self Refresh) - * 0x1 for Refresh interval 15.6 us for 133MHz - * 0x2 for Refresh interval 7.8 us for 133MHz - * 0x7 for Refresh interval 128 Clocks. (Fast Refresh Mode) - */ -#define RAM_COMMAND_REFRESH 0x1 - -/* DRC[6:4] - SDRAM Mode Select (SMS). */ -#define RAM_COMMAND_SELF_REFRESH 0x0 -#define RAM_COMMAND_NOP 0x1 -#define RAM_COMMAND_PRECHARGE 0x2 -#define RAM_COMMAND_MRS 0x3 -#define RAM_COMMAND_CBR 0x6 -#define RAM_COMMAND_NORMAL 0x7 - -/* DRC[29] - Initialization Complete (IC). */ -#define RAM_COMMAND_IC 0x1 - -/*----------------------------------------------------------------------------- -DIMM-initialization functions. ------------------------------------------------------------------------------*/ - -static void do_ram_command(u32 command) -{ - u32 reg32; - - /* Configure the RAM command. */ - reg32 = pci_read_config32(NORTHBRIDGE, DRC); - /* Clear bits 29, 10-8, 6-4. */ - reg32 &= 0xdffff88f; - reg32 |= command << 4; - PRINTK_DEBUG(" Sending RAM command 0x%08x", reg32); - pci_write_config32(NORTHBRIDGE, DRC, reg32); -} - -static void ram_read32(u8 dimm_start, u32 offset) -{ - u32 reg32, base_addr = 32 * 1024 * 1024 * dimm_start; - if (offset == 0x55aa55aa) { - reg32 = read32((u32 *)base_addr); - PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", base_addr, reg32); - PRINTK_DEBUG(" Writing RAM at 0x%08x <= 0x%08x\n", base_addr, offset); - write32((u32 *)base_addr, offset); - reg32 = read32((u32 *)base_addr); - PRINTK_DEBUG(" Reading RAM at 0x%08x => 0x%08x\n", base_addr, reg32); - } else { - PRINTK_DEBUG(" to 0x%08x\n", base_addr + offset); - read32((u32 *)(base_addr + offset)); - } -} - -static void initialize_dimm_rows(void) -{ - int i, row; - u8 dimm_start, dimm_end; - unsigned device; - - dimm_start = 0; - - for (row = 0; row < (DIMM_SOCKETS * 2); row++) { - - switch (row) { - case 0: - device = DIMM0; - break; - case 1: - device = DIMM0; - break; - case 2: - device = DIMM0 + 1; - break; - case 3: - device = DIMM0 + 1; - break; - } - - dimm_end = pci_read_config8(NORTHBRIDGE, DRB + row); - - if (dimm_end > dimm_start) { - printk(BIOS_DEBUG, "Initializing SDRAM Row %u\n", row); - - /* NOP command */ - PRINTK_DEBUG(" NOP\n"); - do_ram_command(RAM_COMMAND_NOP); - ram_read32(dimm_start, 0); - udelay(200); - - /* Pre-charge all banks (at least 200 us after NOP) */ - PRINTK_DEBUG(" Pre-charging all banks\n"); - do_ram_command(RAM_COMMAND_PRECHARGE); - ram_read32(dimm_start, 0); - udelay(1); - - /* 8 CBR refreshes (Auto Refresh) */ - PRINTK_DEBUG(" 8 CBR refreshes\n"); - for (i = 0; i < 8; i++) { - do_ram_command(RAM_COMMAND_CBR); - ram_read32(dimm_start, 0); - udelay(1); - } - - /* MRS command */ - /* TODO: Set offset 0x1d0 according to DRT values */ - PRINTK_DEBUG(" MRS\n"); - do_ram_command(RAM_COMMAND_MRS); - ram_read32(dimm_start, 0x1d0); - udelay(2); - - /* Set GMCH-M Mode Select bits back to NORMAL operation mode */ - PRINTK_DEBUG(" Normal operation mode\n"); - do_ram_command(RAM_COMMAND_NORMAL); - ram_read32(dimm_start, 0); - udelay(1); - - /* Perform a dummy memory read/write cycle */ - PRINTK_DEBUG(" Performing dummy read/write\n"); - ram_read32(dimm_start, 0x55aa55aa); - udelay(1); - } - /* Set the start of the next DIMM. */ - dimm_start = dimm_end; - } -} - -/*----------------------------------------------------------------------------- -DIMM-independent configuration functions. ------------------------------------------------------------------------------*/ - -struct dimm_size { - unsigned int side1; - unsigned int side2; -}; - -static struct dimm_size spd_get_dimm_size(unsigned device) -{ - struct dimm_size sz; - int i, module_density, dimm_banks; - sz.side1 = 0; - module_density = spd_read_byte(device, SPD_DENSITY_OF_EACH_ROW_ON_MODULE); - dimm_banks = spd_read_byte(device, SPD_NUM_DIMM_BANKS); - - /* Find the size of side1. */ - /* Find the larger value. The larger value is always side1. */ - for (i = 512; i >= 0; i >>= 1) { - if ((module_density & i) == i) { - sz.side1 = i; - break; - } - } - - /* Set to 0 in case it's single sided. */ - sz.side2 = 0; - - /* Test if it's a dual-sided DIMM. */ - if (dimm_banks > 1) { - /* Test to see if there's a second value, if so it's asymmetrical. */ - if (module_density != i) { - /* Find the second value, picking up where we left off. */ - /* i >>= 1 done initially to make sure we don't get the same value again. */ - for (i >>= 1; i >= 0; i >>= 1) { - if (module_density == (sz.side1 | i)) { - sz.side2 = i; - break; - } - } - /* If not, it's symmetrical */ - } else { - sz.side2 = sz.side1; - } - } - - /* SPD byte 31 is the memory size divided by 4 so we - * need to multiply by 4 to get the total size. - */ - sz.side1 *= 4; - sz.side2 *= 4; - return sz; -} - -static void set_dram_row_boundaries(void) -{ - int i, value, drb1, drb2; - - for (i = 0; i < DIMM_SOCKETS; i++) { - struct dimm_size sz; - unsigned device; - device = DIMM0 + i; - drb1 = 0; - drb2 = 0; - - /* First check if a DIMM is actually present. */ - if (spd_read_byte(device, SPD_MEMORY_TYPE) == 0x4) { - printk(BIOS_DEBUG, "Found DIMM in slot %u\n", i); - sz = spd_get_dimm_size(device); - printk(BIOS_DEBUG, " DIMM is %uMB on side 1\n", sz.side1); - printk(BIOS_DEBUG, " DIMM is %uMB on side 2\n", sz.side2); - - /* - Memory compatibility checks - */ - - /* Test for PC133 (i82830 only supports PC133) */ - /* PC133 SPD9 - cycle time is always 75 */ - if (spd_read_byte(device, SPD_MIN_CYCLE_TIME_AT_CAS_MAX) != 0x75) { - printk(BIOS_ERR, "SPD9 DIMM Is Not PC133 Compatable\n"); - die("HALT\n"); - } - /* PC133 SPD10 - access time is always 54 */ - if (spd_read_byte(device, SPD_ACCESS_TIME_FROM_CLOCK) != 0x54) { - printk(BIOS_ERR, "SPD10 DIMM Is Not PC133 Compatable\n"); - die("HALT\n"); - } - - /* The i82830 only supports a symmetrical dual-sided dimms - * and can't handle DIMMs smaller than 32MB per - * side or larger than 256MB per side. - */ - if ((sz.side2 != 0) && (sz.side1 != sz.side2)) { - printk(BIOS_ERR, "This northbridge only supports\n"); - printk(BIOS_ERR, "symmetrical dual-sided DIMMs\n"); - printk(BIOS_ERR, "booting as a single-sided DIMM\n"); - sz.side2 = 0; - } - if ((sz.side1 < 32)) { - printk(BIOS_ERR, "DIMMs smaller than 32MB per side\n"); - printk(BIOS_ERR, "are not supported on this northbridge\n"); - die("HALT\n"); - } - - if ((sz.side1 > 256)) { - printk(BIOS_ERR, "DIMMs larger than 256MB per side\n"); - printk(BIOS_ERR, "are not supported on this northbridge\n"); - die("HALT\n"); - } - /* - End Memory compatibility checks - */ - - /* We need to divide size by 32 to set up the - * DRB registers. - */ - if (sz.side1) - drb1 = sz.side1 / 32; - if (sz.side2) - drb2 = sz.side2 / 32; - } else { - printk(BIOS_DEBUG, "No DIMM found in slot %u\n", i); - - /* If there's no DIMM in the slot, set value to 0. */ - drb1 = 0; - drb2 = 0; - } - /* Set the value for DRAM Row Boundary Registers */ - if (i == 0) { - pci_write_config8(NORTHBRIDGE, DRB, drb1); - pci_write_config8(NORTHBRIDGE, DRB + 1, drb1 + drb2); - PRINTK_DEBUG(" DRB 0x%02x has been set to 0x%02x\n", DRB, drb1); - PRINTK_DEBUG(" DRB1 0x%02x has been set to 0x%02x\n", DRB + 1, drb1 + drb2); - } else if (i == 1) { - value = pci_read_config8(NORTHBRIDGE, DRB + 1); - pci_write_config8(NORTHBRIDGE, DRB + 2, value + drb1); - pci_write_config8(NORTHBRIDGE, DRB + 3, value + drb1 + drb2); - PRINTK_DEBUG(" DRB2 0x%02x has been set to 0x%02x\n", DRB + 2, value + drb1); - PRINTK_DEBUG(" DRB3 0x%02x has been set to 0x%02x\n", DRB + 3, value + drb1 + drb2); - - /* We need to set the highest DRB value to 0x64 and 0x65. - * These are supposed to be "Reserved" but memory will - * not initialize properly if we don't. - */ - value = pci_read_config8(NORTHBRIDGE, DRB + 3); - pci_write_config8(NORTHBRIDGE, DRB + 4, value); - pci_write_config8(NORTHBRIDGE, DRB + 5, value); - } - } -} - -static void set_dram_row_attributes(void) -{ - int i, dra, col, width, value; - - for (i = 0; i < DIMM_SOCKETS; i++) { - unsigned device; - device = DIMM0 + i; - - /* First check if a DIMM is actually present. */ - if (spd_read_byte(device, SPD_MEMORY_TYPE) == 0x4) { - PRINTK_DEBUG("Found DIMM in slot %u\n", i); - - dra = 0x00; - - /* columns */ - col = spd_read_byte(device, SPD_NUM_COLUMNS); - - /* data width */ - width = spd_read_byte(device, SPD_MODULE_DATA_WIDTH_LSB); - - /* calculate page size in bits */ - value = ((1 << col) * width); - - /* convert to Kilobytes */ - dra = ((value / 8) >> 10); - - /* # of banks of DIMM (single or double sided) */ - value = spd_read_byte(device, SPD_NUM_DIMM_BANKS); - - if (value == 1) { - if (dra == 2) { - dra = 0xF0; /* 2KB */ - } else if (dra == 4) { - dra = 0xF1; /* 4KB */ - } else if (dra == 8) { - dra = 0xF2; /* 8KB */ - } else if (dra == 16) { - dra = 0xF3; /* 16KB */ - } else { - printk(BIOS_ERR, "Page size not supported\n"); - die("HALT\n"); - } - } else if (value == 2) { - if (dra == 2) { - dra = 0x00; /* 2KB */ - } else if (dra == 4) { - dra = 0x11; /* 4KB */ - } else if (dra == 8) { - dra = 0x22; /* 8KB */ - } else if (dra == 16) { - dra = 0x33; /* 16KB */ - } else { - printk(BIOS_ERR, "Page size not supported\n"); - die("HALT\n"); - } - } else { - printk(BIOS_ERR, "# of banks of DIMM not supported\n"); - die("HALT\n"); - } - - } else { - PRINTK_DEBUG("No DIMM found in slot %u\n", i); - - /* If there's no DIMM in the slot, set dra value to 0xFF. */ - dra = 0xFF; - } - - /* Set the value for DRAM Row Attribute Registers */ - pci_write_config8(NORTHBRIDGE, DRA + i, dra); - PRINTK_DEBUG(" DRA 0x%02x has been set to 0x%02x\n", DRA + i, dra); - } -} - -static void set_dram_timing(void) -{ - /* Set the value for DRAM Timing Register */ - /* TODO: Configure the value according to SPD values. */ - pci_write_config32(NORTHBRIDGE, DRT, 0x00000010); -} - -static void set_dram_buffer_strength(void) -{ - /* TODO: This needs to be set according to the DRAM tech - * (x8, x16, or x32). Argh, Intel provides no docs on this! - * Currently, it needs to be pulled from the output of - * lspci -xxx Rx92 - */ - - /* Set the value for System Memory Buffer Strength Control Registers */ - pci_write_config32(NORTHBRIDGE, BUFF_SC, 0xFC9B491B); -} - -/*----------------------------------------------------------------------------- -Public interface. ------------------------------------------------------------------------------*/ - -static void sdram_set_registers(void) -{ - printk(BIOS_DEBUG, "Setting initial SDRAM registers....\n"); - - /* Calculate the value for DRT DRAM Timing Register */ - set_dram_timing(); - - /* Setup System Memory Buffer Strength Control Registers */ - set_dram_buffer_strength(); - - /* Setup DRAM Row Boundary Registers */ - set_dram_row_boundaries(); - - /* Setup DRAM Row Attribute Registers */ - set_dram_row_attributes(); - - printk(BIOS_DEBUG, "Initial SDRAM registers have been set.\n"); -} - -static void northbridge_set_registers(void) -{ - u16 value; - int igd_memory = 0; - - printk(BIOS_DEBUG, "Setting initial Northbridge registers....\n"); - - /* Set the value for Fixed DRAM Hole Control Register */ - pci_write_config8(NORTHBRIDGE, FDHC, 0x00); - - /* Set the value for Programmable Attribute Map Registers - * Ideally, this should be R/W for as many ranges as possible. - */ - pci_write_config8(NORTHBRIDGE, PAM0, 0x30); - pci_write_config8(NORTHBRIDGE, PAM1, 0x33); - pci_write_config8(NORTHBRIDGE, PAM2, 0x33); - pci_write_config8(NORTHBRIDGE, PAM3, 0x33); - pci_write_config8(NORTHBRIDGE, PAM4, 0x33); - pci_write_config8(NORTHBRIDGE, PAM5, 0x33); - pci_write_config8(NORTHBRIDGE, PAM6, 0x33); - - /* Set the value for System Management RAM Control Register */ - pci_write_config8(NORTHBRIDGE, SMRAM, 0x02); - - /* Set the value for GMCH Control Register #0 */ - pci_write_config16(NORTHBRIDGE, GCC0, 0xA072); - - /* Set the value for Aperture Base Configuration Register */ - pci_write_config32(NORTHBRIDGE, APBASE, 0x00000008); - - /* Set the value for GMCH Control Register #1 */ - switch (CONFIG_VIDEO_MB) { - case 512: /* 512K of memory */ - igd_memory = 0x2; - break; - case 1: /* 1M of memory */ - igd_memory = 0x3; - break; - case 8: /* 8M of memory */ - igd_memory = 0x4; - break; - default: /* No memory */ - pci_write_config16(NORTHBRIDGE, GCC1, 0x0002); - igd_memory = 0x0; - } - - value = pci_read_config16(NORTHBRIDGE, GCC1); - value |= igd_memory << 4; - value |= 1; // 64MB aperture - pci_write_config16(NORTHBRIDGE, GCC1, value); - - printk(BIOS_DEBUG, "Initial Northbridge registers have been set.\n"); -} - -static void sdram_initialize(void) -{ - u32 reg32; - - /* Setup Initial SDRAM Registers */ - sdram_set_registers(); - - /* Wait until power/voltages and clocks are stable (200us). */ - udelay(200); - - /* Initialize each row of memory one at a time */ - initialize_dimm_rows(); - - /* Enable Refresh */ - PRINTK_DEBUG("Enabling Refresh\n"); - reg32 = pci_read_config32(NORTHBRIDGE, DRC); - reg32 |= (RAM_COMMAND_REFRESH << 8); - pci_write_config32(NORTHBRIDGE, DRC, reg32); - - /* Set initialization complete */ - PRINTK_DEBUG("Setting initialization complete\n"); - reg32 = pci_read_config32(NORTHBRIDGE, DRC); - reg32 |= (RAM_COMMAND_IC << 29); - pci_write_config32(NORTHBRIDGE, DRC, reg32); - - /* Setup Initial Northbridge Registers */ - northbridge_set_registers(); - - PRINTK_DEBUG("Northbridge following SDRAM init:\n"); - DUMPNORTH(); -} diff --git a/src/northbridge/intel/i82830/raminit.h b/src/northbridge/intel/i82830/raminit.h deleted file mode 100644 index 6b51db1349..0000000000 --- a/src/northbridge/intel/i82830/raminit.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 NORTHBRIDGE_INTEL_I82830_RAMINIT_H -#define NORTHBRIDGE_INTEL_I82830_RAMINIT_H - -/* 82830 Northbridge PCI device */ -#define NORTHBRIDGE PCI_DEV(0, 0, 0) - -/* The 82830 supports max. 2 dual-sided SO-DIMMs. */ -#define DIMM_SOCKETS 2 - -#endif /* NORTHBRIDGE_INTEL_I82830_RAMINIT_H */ diff --git a/src/northbridge/intel/i82830/smihandler.c b/src/northbridge/intel/i82830/smihandler.c deleted file mode 100644 index 569e62ec7b..0000000000 --- a/src/northbridge/intel/i82830/smihandler.c +++ /dev/null @@ -1,387 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 coresystems GmbH - * - * 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 <compiler.h> -#include <string.h> -#include <arch/io.h> -#include <console/console.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/smm.h> -#include <device/pci_def.h> -#include "i82830.h" - -extern unsigned char *mbi; -extern u32 mbi_len; - -// #define DEBUG_SMI_I82830 - -/* If YABEL is enabled and it's not running at 0x00000000, we have to add some - * offset to all our mbi object memory accesses - */ -#if IS_ENABLED(CONFIG_PCI_OPTION_ROM_RUN_YABEL) && !CONFIG_YABEL_DIRECTHW -#define OBJ_OFFSET CONFIG_YABEL_VIRTMEM_LOCATION -#else -#define OBJ_OFFSET 0x00000 -#endif - -/* I830M */ -#define SMRAM 0x90 -#define D_OPEN (1 << 6) -#define D_CLS (1 << 5) -#define D_LCK (1 << 4) -#define G_SMRANE (1 << 3) -#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0)) - - -typedef struct { - u32 mhid; - u32 function; - u32 retsts; - u32 rfu; -} __packed banner_id_t; - -#define MSH_OK 0x0000 -#define MSH_OK_RESTART 0x0001 -#define MSH_FWH_ERR 0x00ff -#define MSH_IF_BAD_ID 0x0100 -#define MSH_IF_BAD_FUNC 0x0101 -#define MSH_IF_MBI_CORRUPT 0x0102 -#define MSH_IF_BAD_HANDLE 0x0103 -#define MSH_ALRDY_ATCHED 0x0104 -#define MSH_NOT_ATCHED 0x0105 -#define MSH_IF 0x0106 -#define MSH_IF_INVADDR 0x0107 -#define MSH_IF_UKN_TYPE 0x0108 -#define MSH_IF_NOT_FOUND 0x0109 -#define MSH_IF_NO_KEY 0x010a -#define MSH_IF_BUF_SIZE 0x010b -#define MSH_IF_NOT_PENDING 0x010c - -#ifdef DEBUG_SMI_I82830 -static void -dump(u8 * addr, u32 len) -{ - printk(BIOS_DEBUG, "\n%s(%p, %x):\n", __func__, addr, len); - while (len) { - unsigned int tmpCnt = len; - unsigned char x; - if (tmpCnt > 8) - tmpCnt = 8; - printk(BIOS_DEBUG, "\n%p: ", addr); - // print hex - while (tmpCnt--) { - x = *addr++; - printk(BIOS_DEBUG, "%02x ", x); - } - tmpCnt = len; - if (tmpCnt > 8) - tmpCnt = 8; - len -= tmpCnt; - //reset addr ptr to print ascii - addr = addr - tmpCnt; - // print ascii - while (tmpCnt--) { - x = *addr++; - if ((x < 32) || (x >= 127)) { - //non-printable char - x = '.'; - } - printk(BIOS_DEBUG, "%c", x); - } - } - printk(BIOS_DEBUG, "\n"); -} -#endif - -typedef struct { - banner_id_t banner; - u16 versionmajor; - u16 versionminor; - u32 smicombuffersize; -} __packed version_t; - -typedef struct { - u16 header_id; - u16 attributes; - u16 size; - u8 name_len; - u8 reserved; - u32 type; - u32 header_ext; - u8 name[0]; -} __packed mbi_header_t; - -typedef struct { - banner_id_t banner; - u64 handle; - u32 objnum; - mbi_header_t header; -} __packed obj_header_t; - -typedef struct { - banner_id_t banner; - u64 handle; - u32 objnum; - u32 start; - u32 numbytes; - u32 buflen; - u32 buffer; -} __packed get_object_t; - -static void mbi_call(u8 subf, banner_id_t *banner_id) -{ -#ifdef DEBUG_SMI_I82830 - printk(BIOS_DEBUG, "MBI\n"); - printk(BIOS_DEBUG, "|- sub function %x\n", subf); - printk(BIOS_DEBUG, "|- banner id @ %x\n", (u32)banner_id); - printk(BIOS_DEBUG, "| |- mhid %x\n", banner_id->mhid); - printk(BIOS_DEBUG, "| |- function %x\n", banner_id->function); - printk(BIOS_DEBUG, "| |- return status %x\n", banner_id->retsts); - printk(BIOS_DEBUG, "| |- rfu %x\n", banner_id->rfu); -#endif - - switch(banner_id->function) { - case 0x0001: { - version_t *version; - printk(BIOS_DEBUG, "|- MBI_QueryInterface\n"); - version = (version_t *)banner_id; - version->banner.retsts = MSH_OK; - version->versionmajor = 1; - version->versionminor = 3; - version->smicombuffersize = 0x1000; - break; - } - case 0x0002: - printk(BIOS_DEBUG, "|- MBI_Attach\n"); - printk(BIOS_DEBUG, "| |- Not Implemented!\n"); - break; - case 0x0003: - printk(BIOS_DEBUG, "|- MBI_Detach\n"); - printk(BIOS_DEBUG, "| |- Not Implemented!\n"); - break; - case 0x0201: { - obj_header_t *obj_header = (obj_header_t *)banner_id; - mbi_header_t *mbi_header = NULL; - printk(BIOS_DEBUG, "|- MBI_GetObjectHeader\n"); - printk(BIOS_DEBUG, "| |- objnum = %d\n", obj_header->objnum); - - int i, count = 0; - obj_header->banner.retsts = MSH_IF_NOT_FOUND; - - for (i = 0; i < mbi_len;) { - int len; - - if (!(mbi[i] == 0xf0 && mbi [i+1] == 0xf6)) { - i+=16; - continue; - } - - mbi_header = (mbi_header_t *)&mbi[i]; - len = ALIGN((mbi_header->size * 16) + sizeof(mbi_header) + ALIGN(mbi_header->name_len, 16), 16); - - if (obj_header->objnum == count) { -#ifdef DEBUG_SMI_I82830 - if (mbi_header->name_len == 0xff) { - printk(BIOS_DEBUG, "| |- corrupt.\n"); - break; - } -#endif - int headerlen = ALIGN(sizeof(mbi_header) + ALIGN(mbi_header->name_len, 16), 16); -#ifdef DEBUG_SMI_I82830 - printk(BIOS_DEBUG, "| |- headerlen = %d\n", headerlen); -#endif - memcpy(&obj_header->header, mbi_header, headerlen); - obj_header->banner.retsts = MSH_OK; - printk(BIOS_DEBUG, "| |- MBI module '"); - int j; - for (j = 0; j < mbi_header->name_len && mbi_header->name[j]; j++) - printk(BIOS_DEBUG, "%c", mbi_header->name[j]); - printk(BIOS_DEBUG, "' found.\n"); -#ifdef DEBUG_SMI_I82830 - dump((u8 *)banner_id, sizeof(obj_header_t) + ALIGN(mbi_header->name_len, 16)); -#endif - break; - } - i += len; - count++; - } - if (obj_header->banner.retsts == MSH_IF_NOT_FOUND) - printk(BIOS_DEBUG, "| |- MBI object #%d not found.\n", obj_header->objnum); - break; - } - case 0x0203: { - get_object_t *getobj = (get_object_t *)banner_id; - mbi_header_t *mbi_header = NULL; - printk(BIOS_DEBUG, "|- MBI_GetObject\n"); -#ifdef DEBUG_SMI_I82830 - printk(BIOS_DEBUG, "| |- handle = %016Lx\n", getobj->handle); -#endif - printk(BIOS_DEBUG, "| |- objnum = %d\n", getobj->objnum); - printk(BIOS_DEBUG, "| |- start = %x\n", getobj->start); - printk(BIOS_DEBUG, "| |- numbytes = %x\n", getobj->numbytes); - printk(BIOS_DEBUG, "| |- buflen = %x\n", getobj->buflen); - printk(BIOS_DEBUG, "| |- buffer = %x\n", getobj->buffer); - - int i, count = 0; - getobj->banner.retsts = MSH_IF_NOT_FOUND; - - for (i = 0; i< mbi_len;) { - int headerlen, objectlen; - - if (!(mbi[i] == 0xf0 && mbi [i+1] == 0xf6)) { - i+=16; - continue; - } - - mbi_header = (mbi_header_t *)&mbi[i]; - headerlen = ALIGN(sizeof(mbi_header) + ALIGN(mbi_header->name_len, 16), 16); - objectlen = ALIGN((mbi_header->size * 16), 16); - - if (getobj->objnum == count) { - printk(BIOS_DEBUG, "| |- len = %x\n", headerlen + objectlen); - - memcpy((void *)(getobj->buffer + OBJ_OFFSET), - ((char *)mbi_header) + headerlen, (objectlen > getobj->buflen) ? getobj->buflen : objectlen); - - getobj->banner.retsts = MSH_OK; -#ifdef DEBUG_SMI_I82830 - dump((u8 *)banner_id, sizeof(*getobj)); - dump((u8 *)getobj->buffer + OBJ_OFFSET, objectlen); -#endif - break; - } - i += (headerlen + objectlen); - count++; - } - if (getobj->banner.retsts == MSH_IF_NOT_FOUND) - printk(BIOS_DEBUG, "MBI module %d not found.\n", getobj->objnum); - break; - } - default: - printk(BIOS_DEBUG, "|- function %x\n", banner_id->function); - printk(BIOS_DEBUG, "| |- Unknown Function!\n"); - break; - } - printk(BIOS_DEBUG, "\n"); - //dump(banner_id, 0x20); -} - -#define SMI_IFC_SUCCESS 1 -#define SMI_IFC_FAILURE_GENERIC 0 -#define SMI_IFC_FAILURE_INVALID 2 -#define SMI_IFC_FAILURE_CRITICAL 4 -#define SMI_IFC_FAILURE_NONCRITICAL 6 - -#define PC10 0x10 -#define PC11 0x11 -#define PC12 0x12 -#define PC13 0x13 - -static void smi_interface_call(void) -{ - u8 *mmio = (u8 *)pci_read_config32(PCI_DEV(0, 0x02, 0), 0x14); - // mmio &= 0xfff80000; - // printk(BIOS_DEBUG, "mmio=%x\n", mmio); - u16 swsmi = pci_read_config16(PCI_DEV(0, 0x02, 0), 0xe0); - - if (!(swsmi & 1)) - return; - - swsmi &= ~(1 << 0); // clear SMI toggle - - switch ((swsmi>>1) & 0xf) { - case 0: - printk(BIOS_DEBUG, "Interface Function Presence Test.\n"); - swsmi = 0; - swsmi &= ~(7 << 5); // Exit: Result - swsmi |= (SMI_IFC_SUCCESS << 5); - swsmi &= 0xff; - swsmi |= (PC13 << 8); - pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe0, swsmi); - // write magic - write32(mmio + 0x71428, 0x494e5443); - return; - case 4: - printk(BIOS_DEBUG, "Get BIOS Data.\n"); - printk(BIOS_DEBUG, "swsmi=%04x\n", swsmi); - break; - case 5: - printk(BIOS_DEBUG, "Call MBI Functions.\n"); - mbi_call(swsmi >> 8, (banner_id_t *)((read32(mmio + 0x71428) & 0x000fffff) + OBJ_OFFSET) ); - // swsmi = 0x0000; - swsmi &= ~(7 << 5); // Exit: Result - swsmi |= (SMI_IFC_SUCCESS << 5); - pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe0, swsmi); - return; - case 6: - printk(BIOS_DEBUG, "System BIOS Callbacks.\n"); - printk(BIOS_DEBUG, "swsmi=%04x\n", swsmi); - break; - default: - printk(BIOS_DEBUG, "Unknown SMI interface call %04x\n", swsmi); - break; - } - - swsmi &= ~(7 << 5); // Exit: Result - swsmi |= (SMI_IFC_FAILURE_CRITICAL << 7); - pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe0, swsmi); -} - -/** - * @brief read and clear ERRSTS - * @return ERRSTS register - */ -static u16 reset_err_status(void) -{ - u16 reg16; - - reg16 = pci_read_config16(PCI_DEV(0, 0x00, 0), ERRSTS); - /* set status bits are cleared by writing 1 to them */ - pci_write_config16(PCI_DEV(0, 0x00, 0), ERRSTS, reg16); - - return reg16; -} - -static void dump_err_status(u32 errsts) -{ - printk(BIOS_DEBUG, "ERRSTS: "); - if (errsts & (1 << 12)) printk(BIOS_DEBUG, "MBI "); - if (errsts & (1 << 9)) printk(BIOS_DEBUG, "LCKF "); - if (errsts & (1 << 8)) printk(BIOS_DEBUG, "DTF "); - if (errsts & (1 << 5)) printk(BIOS_DEBUG, "UNSC "); - if (errsts & (1 << 4)) printk(BIOS_DEBUG, "OOGF "); - if (errsts & (1 << 3)) printk(BIOS_DEBUG, "IAAF "); - if (errsts & (1 << 2)) printk(BIOS_DEBUG, "ITTEF "); - printk(BIOS_DEBUG, "\n"); -} - -void northbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save) -{ - u16 errsts; - - /* We need to clear the SMI status registers, or we won't see what's - * happening in the following calls. - */ - errsts = reset_err_status(); - if (errsts & (1 << 12)) { - smi_interface_call(); - } else { - if (errsts) - dump_err_status(errsts); - } - -} diff --git a/src/northbridge/intel/i82830/vga.c b/src/northbridge/intel/i82830/vga.c deleted file mode 100644 index 20c9d0a3f6..0000000000 --- a/src/northbridge/intel/i82830/vga.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 Joseph Smith <joe@settoplinux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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/io.h> -#include <stdint.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <cbfs.h> -#include <x86emu/x86emu.h> - -static void vga_init(device_t dev) -{ - printk(BIOS_INFO, "Starting Graphics Initialization\n"); - size_t mbi_len; - void *mbi = cbfs_boot_map_with_leak("mbi.bin", CBFS_TYPE_MBI, &mbi_len); - - if (mbi && mbi_len) { - /* The GDT or coreboot table is going to live here. But - * a long time after we relocated the GNVS, so this is - * not troublesome. - */ - *(u32 *)0x500 = (u32)mbi; - *(u32 *)0x504 = (u32)mbi_len; - outb(0xeb, 0xb2); - } - - pci_dev_init(dev); - printk(BIOS_INFO, "Graphics Initialization Complete\n"); - - /* Enable TV-Out */ -#if IS_ENABLED(CONFIG_PCI_OPTION_ROM_RUN_YABEL) -#define PIPE_A_CRT (1 << 0) -#define PIPE_A_LFP (1 << 1) -#define PIPE_A_TV (1 << 3) -#define PIPE_B_CRT (1 << 8) -#define PIPE_B_TV (1 << 10) - printk(BIOS_DEBUG, "Enabling TV-Out\n"); - void runInt10(void); - X86_AX = 0x5f64; - X86_BX = 0x0001; // Set Display Device, force execution - X86_CX = PIPE_A_CRT | PIPE_A_TV; - // M.x86.R_CX = PIPE_B_TV; - runInt10(); - switch (X86_AX) { - case 0x005f: - printk(BIOS_DEBUG, "... failed.\n"); - break; - case 0x015f: - printk(BIOS_DEBUG, "... ok.\n"); - break; - default: - printk(BIOS_DEBUG, "... not supported.\n"); - break; - } -#endif -} - -static const struct device_operations vga_operations = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = vga_init, - .scan_bus = 0, - .enable = 0, - .ops_pci = 0, -}; - -static const struct pci_driver vga_driver __pci_driver = { - .ops = &vga_operations, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x3577, -}; |