nb/intel/ironlake: Add definition for SAD PCI device

Let's hope this cheers up the poor System Address Decoder device.

Tested with BUILD_TIMELESS=1, Packard Bell MS2290 does not change.

Change-Id: Ia62c05abb07216dc1ba449c3a17f8d53050b5af1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43732
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Angel Pons 2020-07-22 16:29:54 +02:00 committed by Patrick Georgi
parent 16fe1e0246
commit 3ab19b32a2
6 changed files with 20 additions and 17 deletions

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@ -13,7 +13,7 @@ unsigned long acpi_fill_mcfg(unsigned long current)
u32 pciexbar_reg;
int max_buses;
pciexbar_reg = pci_read_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 0x50);
pciexbar_reg = pci_read_config32(QPI_SAD, 0x50);
// MMCFG not supported or not enabled.
if (!(pciexbar_reg & (1 << 0)))

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@ -2,9 +2,10 @@
#include <arch/bootblock.h>
#include <device/pci_ops.h>
#include "ironlake.h"
void bootblock_early_northbridge_init(void)
{
pci_io_write_config32(PCI_DEV(0xff, 0x00, 1), 0x50, CONFIG_MMCONF_BASE_ADDRESS | 1);
pci_io_write_config32(PCI_DEV(0xff, 0x00, 1), 0x54, 0);
pci_io_write_config32(QPI_SAD, 0x50, CONFIG_MMCONF_BASE_ADDRESS | 1);
pci_io_write_config32(QPI_SAD, 0x54, 0);
}

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@ -25,13 +25,13 @@ static void ironlake_setup_bars(void)
pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR + 4, 0);
/* Set C0000-FFFFF to access RAM on both reads and writes */
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(0), 0x30);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(1), 0x33);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(2), 0x33);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(3), 0x33);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(4), 0x33);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(5), 0x33);
pci_write_config8(PCI_DEV(0xff, 0x00, 1), QPD0F1_PAM(6), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(0), 0x30);
pci_write_config8(QPI_SAD, QPD0F1_PAM(1), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(2), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(3), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(4), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(5), 0x33);
pci_write_config8(QPI_SAD, QPD0F1_PAM(6), 0x33);
printk(BIOS_DEBUG, " done.\n");
}

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@ -48,8 +48,10 @@
#include "hostbridge_regs.h"
/*
* QPI D0:F1
* SAD - System Address Decoder
*/
#define QPI_SAD PCI_DEV(QUICKPATH_BUS, 0, 1)
#define QPD0F1_PAM(x) (0x40 + (x)) /* 0-6 */
#define QPD0F1_SMRAM 0x4d /* System Management RAM Control */

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@ -1337,9 +1337,9 @@ static void program_board_delay(struct raminfo *info)
MCHBAR16_OR(0x612, 0x100);
MCHBAR16_OR(0x214, 0x3E00);
for (i = 0; i < 8; i++) {
pci_write_config32(PCI_DEV (QUICKPATH_BUS, 0, 1), 0x80 + 4 * i,
pci_write_config32(QPI_SAD, 0x80 + 4 * i,
(info->total_memory_mb - 64) | !i | 2);
pci_write_config32(PCI_DEV (QUICKPATH_BUS, 0, 1), 0xc0 + 4 * i, 0);
pci_write_config32(QPI_SAD, 0xc0 + 4 * i, 0);
}
}
@ -1412,7 +1412,7 @@ static void program_total_memory_map(struct raminfo *info)
memory_map[2] = touud | 1;
quickpath_reserved = 0;
u32 t = pci_read_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 0x68);
u32 t = pci_read_config32(QPI_SAD, 0x68);
gav(t);
@ -1452,10 +1452,10 @@ static void program_total_memory_map(struct raminfo *info)
memory_map[1] = 4096;
for (i = 0; i < ARRAY_SIZE(memory_map); i++) {
current_limit = MAX(current_limit, memory_map[i] & ~1);
pci_write_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 4 * i + 0x80,
pci_write_config32(QPI_SAD, 4 * i + 0x80,
(memory_map[i] & 1) | ALIGN_DOWN(current_limit -
1, 64) | 2);
pci_write_config32(PCI_DEV(QUICKPATH_BUS, 0, 1), 4 * i + 0xc0, 0);
pci_write_config32(QPI_SAD, 4 * i + 0xc0, 0);
}
}

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@ -11,5 +11,5 @@
void northbridge_write_smram(u8 smram)
{
pci_write_config8(PCI_DEV(QUICKPATH_BUS, 0, 1), QPD0F1_SMRAM, smram);
pci_write_config8(QPI_SAD, QPD0F1_SMRAM, smram);
}