nb/intel/gm45: Use a common romstage

This moves a lot of the common romstage boilerplate code to a common
location, while adding a few mainboard specific hooks.

Another difference is that the settings for enable_igd and enable_peg
are now based on the static devicetree settings.

Change-Id: I30ef7f6962aabde78b5c40e0b53bb85e01c254c1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/31190
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
This commit is contained in:
Arthur Heymans 2019-01-31 22:47:09 +01:00 committed by Patrick Georgi
parent 1bde3124b4
commit 3b0eb602b9
6 changed files with 187 additions and 273 deletions

View File

@ -16,15 +16,7 @@
// __PRE_RAM__ means: use "unsigned" for device, not a struct. // __PRE_RAM__ means: use "unsigned" for device, not a struct.
#include <stdint.h>
#include <string.h>
#include <arch/io.h> #include <arch/io.h>
#include <arch/acpi.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/tsc.h>
#include <cpu/intel/romstage.h>
#include <cbmem.h>
#include <romstage_handoff.h>
#include <console/console.h> #include <console/console.h>
#include <southbridge/intel/i82801ix/i82801ix.h> #include <southbridge/intel/i82801ix/i82801ix.h>
#include <southbridge/intel/common/gpio.h> #include <southbridge/intel/common/gpio.h>
@ -33,7 +25,6 @@
#include "dock.h" #include "dock.h"
#define LPC_DEV PCI_DEV(0, 0x1f, 0) #define LPC_DEV PCI_DEV(0, 0x1f, 0)
#define MCH_DEV PCI_DEV(0, 0, 0)
static void hybrid_graphics_init(sysinfo_t *sysinfo) static void hybrid_graphics_init(sysinfo_t *sysinfo)
{ {
@ -45,7 +36,9 @@ static void hybrid_graphics_init(sysinfo_t *sysinfo)
sysinfo->enable_peg = peg; sysinfo->enable_peg = peg;
} }
static void early_lpc_setup(void) static int dock_err;
void mb_setup_lpc(void)
{ {
/* Set up SuperIO LPC forwards */ /* Set up SuperIO LPC forwards */
@ -59,99 +52,35 @@ static void early_lpc_setup(void)
pci_write_config32(LPC_DEV, D31F0_GEN3_DEC, 0x1c1681); pci_write_config32(LPC_DEV, D31F0_GEN3_DEC, 0x1c1681);
} }
void mainboard_romstage_entry(unsigned long bist) void mb_setup_superio(void)
{ {
sysinfo_t sysinfo;
int s3resume = 0;
int cbmem_initted;
int err;
u16 reg16;
/* basic northbridge setup, including MMCONF BAR */
gm45_early_init();
if (bist == 0)
enable_lapic();
/* First, run everything needed for console output. */
i82801ix_early_init();
early_lpc_setup();
/* Minimal setup to detect dock */ /* Minimal setup to detect dock */
err = pc87382_early(); dock_err = pc87382_early();
if (err == 0) if (dock_err == 0)
dock_connect(); dock_connect();
}
console_init(); void get_mb_spd_addrmap(u8 *spd_addrmap)
printk(BIOS_DEBUG, "running main(bist = %lu)\n", bist); {
spd_addrmap[0] = 0x50;
spd_addrmap[2] = 0x51;
}
/* Print dock info */ void mb_pre_raminit_setup(sysinfo_t *sysinfo)
if (err) {
/* Console is not yet initialized in mb_setup_superio, so we print
the dock information here */
if (dock_err)
printk(BIOS_ERR, "DOCK: Failed to init pc87382\n"); printk(BIOS_ERR, "DOCK: Failed to init pc87382\n");
else else
dock_info(); dock_info();
reg16 = pci_read_config16(LPC_DEV, D31F0_GEN_PMCON_3); hybrid_graphics_init(sysinfo);
pci_write_config16(LPC_DEV, D31F0_GEN_PMCON_3, reg16); }
if ((MCHBAR16(SSKPD_MCHBAR) == 0xCAFE) && !(reg16 & (1 << 9))) {
printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n"); void mb_post_raminit_setup(void)
gm45_early_reset(); {
} /* FIXME: make a proper SMBUS mux support. */
/* Set the SMBUS mux to the eeprom */
setup_pch_gpios(&mainboard_gpio_map); set_gpio(42, GPIO_LEVEL_LOW);
/* ASPM related setting, set early by original BIOS. */
DMIBAR16(0x204) &= ~(3 << 10);
/* Check for S3 resume. */
const u32 pm1_cnt = inl(DEFAULT_PMBASE + 0x04);
if (((pm1_cnt >> 10) & 7) == 5) {
if (acpi_s3_resume_allowed()) {
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
s3resume = 1;
/* Clear SLP_TYPE. This will break stage2 but
* we care for that when we get there.
*/
outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + 0x04);
} else {
printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
}
}
/* RAM initialization */
enter_raminit_or_reset();
memset(&sysinfo, 0, sizeof(sysinfo));
sysinfo.spd_map[0] = 0x50;
sysinfo.spd_map[2] = 0x51;
get_gmch_info(&sysinfo);
/* Configure graphic GPIOs.
* Make sure there's a little delay between
* setup_pch_gpios() and this call ! */
hybrid_graphics_init(&sysinfo);
raminit(&sysinfo, s3resume);
const u32 deven = pci_read_config32(MCH_DEV, D0F0_DEVEN);
/* Disable D4F0 (unknown signal controller). */
pci_write_config32(MCH_DEV, D0F0_DEVEN, deven & ~0x4000);
init_pm(&sysinfo, 0);
i82801ix_dmi_setup();
gm45_late_init(sysinfo.stepping);
i82801ix_dmi_poll_vc1();
MCHBAR16(SSKPD_MCHBAR) = 0xCAFE;
init_iommu();
/* FIXME: make a proper SMBUS mux support. */
set_gpio(42, GPIO_LEVEL_LOW);
cbmem_initted = !cbmem_recovery(s3resume);
romstage_handoff_init(cbmem_initted && s3resume);
printk(BIOS_SPEW, "exit main()\n");
} }

View File

@ -16,27 +16,15 @@
// __PRE_RAM__ means: use "unsigned" for device, not a struct. // __PRE_RAM__ means: use "unsigned" for device, not a struct.
#include <stdint.h>
#include <string.h>
#include <arch/io.h> #include <arch/io.h>
#include <arch/acpi.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/tsc.h>
#include <cpu/intel/romstage.h>
#include <cbmem.h>
#include <romstage_handoff.h>
#include <console/console.h>
#include <southbridge/intel/common/gpio.h> #include <southbridge/intel/common/gpio.h>
#include <southbridge/intel/i82801ix/i82801ix.h> #include <southbridge/intel/i82801ix/i82801ix.h>
#include <northbridge/intel/gm45/gm45.h> #include <northbridge/intel/gm45/gm45.h>
#define LPC_DEV PCI_DEV(0, 0x1f, 0) #define LPC_DEV PCI_DEV(0, 0x1f, 0)
#define MCH_DEV PCI_DEV(0, 0, 0)
static void early_lpc_setup(void) void mb_setup_lpc(void)
{ {
/* Set up SuperIO LPC forwards */
/* Configure serial IRQs.*/ /* Configure serial IRQs.*/
pci_write_config8(LPC_DEV, D31F0_SERIRQ_CNTL, 0xd0); pci_write_config8(LPC_DEV, D31F0_SERIRQ_CNTL, 0xd0);
/* Map COMa on 0x3f8, COMb on 0x2f8. */ /* Map COMa on 0x3f8, COMb on 0x2f8. */
@ -47,82 +35,15 @@ static void early_lpc_setup(void)
pci_write_config32(LPC_DEV, D31F0_GEN3_DEC, 0x1c1681); pci_write_config32(LPC_DEV, D31F0_GEN3_DEC, 0x1c1681);
} }
void mainboard_romstage_entry(unsigned long bist) void get_mb_spd_addrmap(u8 *spd_addrmap)
{ {
sysinfo_t sysinfo; spd_addrmap[0] = 0x50;
int s3resume = 0; spd_addrmap[2] = 0x51;
int cbmem_initted; }
u16 reg16;
void mb_post_raminit_setup(void)
/* basic northbridge setup, including MMCONF BAR */ {
gm45_early_init(); /* FIXME: make a proper SMBUS mux support. */
/* Set the SMBUS mux to the eeprom */
if (bist == 0) set_gpio(42, GPIO_LEVEL_LOW);
enable_lapic();
/* First, run everything needed for console output. */
i82801ix_early_init();
early_lpc_setup();
console_init();
printk(BIOS_DEBUG, "running main(bist = %lu)\n", bist);
reg16 = pci_read_config16(LPC_DEV, D31F0_GEN_PMCON_3);
pci_write_config16(LPC_DEV, D31F0_GEN_PMCON_3, reg16);
if ((MCHBAR16(SSKPD_MCHBAR) == 0xCAFE) && !(reg16 & (1 << 9))) {
printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n");
gm45_early_reset();
}
setup_pch_gpios(&mainboard_gpio_map);
/* ASPM related setting, set early by original BIOS. */
DMIBAR16(0x204) &= ~(3 << 10);
/* Check for S3 resume. */
const u32 pm1_cnt = inl(DEFAULT_PMBASE + 0x04);
if (((pm1_cnt >> 10) & 7) == 5) {
if (acpi_s3_resume_allowed()) {
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
s3resume = 1;
/* Clear SLP_TYPE. This will break stage2 but
* we care for that when we get there.
*/
outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + 0x04);
} else {
printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
}
}
/* RAM initialization */
enter_raminit_or_reset();
memset(&sysinfo, 0, sizeof(sysinfo));
sysinfo.spd_map[0] = 0x50;
sysinfo.spd_map[2] = 0x51;
sysinfo.enable_igd = 1;
sysinfo.enable_peg = 0;
get_gmch_info(&sysinfo);
raminit(&sysinfo, s3resume);
const u32 deven = pci_read_config32(MCH_DEV, D0F0_DEVEN);
/* Disable D4F0 (unknown signal controller). */
pci_write_config32(MCH_DEV, D0F0_DEVEN, deven & ~0x4000);
init_pm(&sysinfo, 0);
i82801ix_dmi_setup();
gm45_late_init(sysinfo.stepping);
i82801ix_dmi_poll_vc1();
MCHBAR16(SSKPD_MCHBAR) = 0xCAFE;
init_iommu();
/* FIXME: make a proper SMBUS mux support. */
set_gpio(42, GPIO_LEVEL_LOW);
cbmem_initted = !cbmem_recovery(s3resume);
romstage_handoff_init(cbmem_initted && s3resume);
printk(BIOS_SPEW, "exit main()\n");
} }

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@ -16,17 +16,7 @@
/* __PRE_RAM__ means: use "unsigned" for device, not a struct. */ /* __PRE_RAM__ means: use "unsigned" for device, not a struct. */
#include <stdint.h>
#include <string.h>
#include <arch/io.h> #include <arch/io.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/tsc.h>
#include <cpu/intel/romstage.h>
#include <arch/acpi.h>
#include <cbmem.h>
#include <romstage_handoff.h>
#include <console/console.h>
#include <southbridge/intel/common/gpio.h> #include <southbridge/intel/common/gpio.h>
#include <southbridge/intel/i82801ix/i82801ix.h> #include <southbridge/intel/i82801ix/i82801ix.h>
#include <northbridge/intel/gm45/gm45.h> #include <northbridge/intel/gm45/gm45.h>
@ -35,7 +25,7 @@
#define LPC_DEV PCI_DEV(0, 0x1f, 0) #define LPC_DEV PCI_DEV(0, 0x1f, 0)
#define SERIAL_DEV PNP_DEV(0x2e, LPC47N227_SP1) #define SERIAL_DEV PNP_DEV(0x2e, LPC47N227_SP1)
static void early_lpc_setup(void) void mb_setup_lpc(void)
{ {
/* Set up SuperIO LPC forwards */ /* Set up SuperIO LPC forwards */
@ -47,7 +37,7 @@ static void early_lpc_setup(void)
pci_write_config16(LPC_DEV, D31F0_LPC_EN, 0x3c03); pci_write_config16(LPC_DEV, D31F0_LPC_EN, 0x3c03);
} }
static void default_superio_gpio_setup(void) void mb_setup_superio(void)
{ {
/* Original settings: /* Original settings:
idx 30 31 32 33 34 35 36 37 38 39 idx 30 31 32 33 34 35 36 37 38 39
@ -87,81 +77,12 @@ static void default_superio_gpio_setup(void)
/* Set GPIO output values: */ /* Set GPIO output values: */
outb(0x88, 0x600 + 0xb + 3); /* GP30 - GP37 */ outb(0x88, 0x600 + 0xb + 3); /* GP30 - GP37 */
outb(0x10, 0x600 + 0xb + 4); /* GP40 - GP47 */ outb(0x10, 0x600 + 0xb + 4); /* GP40 - GP47 */
}
void mainboard_romstage_entry(unsigned long bist)
{
sysinfo_t sysinfo;
int s3resume = 0;
int cbmem_initted;
u16 reg16;
/* basic northbridge setup, including MMCONF BAR */
gm45_early_init();
if (bist == 0)
enable_lapic();
/* First, run everything needed for console output. */
i82801ix_early_init();
early_lpc_setup();
default_superio_gpio_setup();
lpc47n227_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); lpc47n227_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init(); }
printk(BIOS_DEBUG, "running main(bist = %lu)\n", bist);
void get_mb_spd_addrmap(u8 *spd_addrmap)
reg16 = pci_read_config16(LPC_DEV, D31F0_GEN_PMCON_3); {
pci_write_config16(LPC_DEV, D31F0_GEN_PMCON_3, reg16); spd_addrmap[0] = 0x50;
if ((MCHBAR16(SSKPD_MCHBAR) == 0xCAFE) && !(reg16 & (1 << 9))) { spd_addrmap[2] = 0x52;
printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n");
gm45_early_reset();
}
setup_pch_gpios(&mainboard_gpio_map);
/* ASPM related setting, set early by original BIOS. */
DMIBAR16(0x204) &= ~(3 << 10);
/* Check for S3 resume. */
const u32 pm1_cnt = inl(DEFAULT_PMBASE + 0x04);
if (((pm1_cnt >> 10) & 7) == 5) {
if (acpi_s3_resume_allowed()) {
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
s3resume = 1;
/* Clear SLP_TYPE. This will break stage2 but
* we care for that when we get there.
*/
outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + 0x04);
} else {
printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
}
}
/* RAM initialization */
enter_raminit_or_reset();
memset(&sysinfo, 0, sizeof(sysinfo));
get_gmch_info(&sysinfo);
sysinfo.spd_map[0] = 0x50;
sysinfo.spd_map[1] = 0;
sysinfo.spd_map[2] = 0x52;
sysinfo.spd_map[3] = 0;
sysinfo.enable_igd = 1;
sysinfo.enable_peg = 0;
raminit(&sysinfo, s3resume);
init_pm(&sysinfo, 1);
i82801ix_dmi_setup();
gm45_late_init(sysinfo.stepping);
i82801ix_dmi_poll_vc1();
MCHBAR16(SSKPD_MCHBAR) = 0xCAFE;
init_iommu();
cbmem_initted = !cbmem_recovery(s3resume);
romstage_handoff_init(cbmem_initted && s3resume);
printk(BIOS_SPEW, "exit main()\n");
} }

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@ -27,6 +27,7 @@ romstage-y += igd.c
romstage-y += pm.c romstage-y += pm.c
romstage-y += ram_calc.c romstage-y += ram_calc.c
romstage-y += iommu.c romstage-y += iommu.c
romstage-y += romstage.c
ramstage-y += acpi.c ramstage-y += acpi.c

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@ -436,6 +436,13 @@ u32 decode_tseg_size(u8 esmramc);
void init_iommu(void); void init_iommu(void);
/* romstage mainboard hookups */
void mb_setup_lpc(void);
void mb_setup_superio(void); /* optional */
void get_mb_spd_addrmap(u8 spd_addrmap[4]);
void mb_pre_raminit_setup(sysinfo_t *); /* optional */
void mb_post_raminit_setup(void); /* optional */
struct blc_pwm_t { struct blc_pwm_t {
char ascii_string[13]; char ascii_string[13];
int pwm_freq; /* In Hz */ int pwm_freq; /* In Hz */

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@ -0,0 +1,135 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2010 coresystems GmbH
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
* Copyright (C) 2014 Vladimir Serbinenko
*
* 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 <cbmem.h>
#include <romstage_handoff.h>
#include <console/console.h>
#include <arch/io.h>
#include <arch/acpi.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/bist.h>
#include <cpu/intel/romstage.h>
#include <northbridge/intel/gm45/gm45.h>
#include <southbridge/intel/i82801ix/i82801ix.h>
#include <southbridge/intel/common/gpio.h>
#define LPC_DEV PCI_DEV(0, 0x1f, 0)
#define MCH_DEV PCI_DEV(0, 0, 0)
void __weak mb_setup_superio(void)
{
}
void __weak mb_pre_raminit_setup(sysinfo_t *sysinfo)
{
}
void __weak mb_post_raminit_setup(void)
{
}
/* Platform has no romstage entry point under mainboard directory,
* so this one is named with prefix mainboard.
*/
void mainboard_romstage_entry(unsigned long bist)
{
sysinfo_t sysinfo;
int s3resume = 0;
int cbmem_initted;
u16 reg16;
/* basic northbridge setup, including MMCONF BAR */
gm45_early_init();
if (bist == 0)
enable_lapic();
/* First, run everything needed for console output. */
i82801ix_early_init();
setup_pch_gpios(&mainboard_gpio_map);
mb_setup_lpc();
mb_setup_superio();
console_init();
report_bist_failure(bist);
reg16 = pci_read_config16(LPC_DEV, D31F0_GEN_PMCON_3);
pci_write_config16(LPC_DEV, D31F0_GEN_PMCON_3, reg16);
if ((MCHBAR16(SSKPD_MCHBAR) == 0xCAFE) && !(reg16 & (1 << 9))) {
printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n");
gm45_early_reset();
}
/* ASPM related setting, set early by original BIOS. */
DMIBAR16(0x204) &= ~(3 << 10);
/* Check for S3 resume. */
const u32 pm1_cnt = inl(DEFAULT_PMBASE + 0x04);
if (((pm1_cnt >> 10) & 7) == 5) {
if (acpi_s3_resume_allowed()) {
printk(BIOS_DEBUG, "Resume from S3 detected.\n");
s3resume = 1;
/* Clear SLP_TYPE. This will break stage2 but
* we care for that when we get there.
*/
outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + 0x04);
} else {
printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
}
}
/* RAM initialization */
enter_raminit_or_reset();
memset(&sysinfo, 0, sizeof(sysinfo));
get_mb_spd_addrmap(sysinfo.spd_map);
const struct device *dev;
dev = pcidev_on_root(2, 0);
if (dev)
sysinfo.enable_igd = dev->enabled;
dev = pcidev_on_root(1, 0);
if (dev)
sysinfo.enable_peg = dev->enabled;
get_gmch_info(&sysinfo);
mb_pre_raminit_setup(&sysinfo);
raminit(&sysinfo, s3resume);
mb_post_raminit_setup();
const u32 deven = pci_read_config32(MCH_DEV, D0F0_DEVEN);
/* Disable D4F0 (unknown signal controller). */
pci_write_config32(MCH_DEV, D0F0_DEVEN, deven & ~0x4000);
init_pm(&sysinfo, 0);
i82801ix_dmi_setup();
gm45_late_init(sysinfo.stepping);
i82801ix_dmi_poll_vc1();
MCHBAR16(SSKPD_MCHBAR) = 0xCAFE;
init_iommu();
cbmem_initted = !cbmem_recovery(s3resume);
romstage_handoff_init(cbmem_initted && s3resume);
printk(BIOS_SPEW, "exit main()\n");
}