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soc/intel/broadwell: Rename `SA_DEV_ROOT` 

For consistency with Haswell, rename this macro to `HOST_BRIDGE`.

Tested with BUILD_TIMELESS=1, Purism Librem 13 v1 remains identical.

Change-Id: I4319f04c67aec8df118fa539e00c7328128f0700
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55528
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2021-06-15 13:55:03 +02:00 committed by Paul Fagerburg
parent 6672dff088
commit 29924b24fa
5 changed files with 20 additions and 22 deletions
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4
src/soc/intel/broadwell/bootblock.c
View File

@ -29,6 +29,6 @@ void bootblock_early_northbridge_init(void)
* The PCIEXBAR is assumed to live in the memory mapped IO space under 4GiB.
*/
const uint32_t reg = CONFIG_MMCONF_BASE_ADDRESS | encode_pciexbar_length() | 1;
pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR + 4, 0);
pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR, reg);
pci_io_write_config32(HOST_BRIDGE, PCIEXBAR + 4, 0);
pci_io_write_config32(HOST_BRIDGE, PCIEXBAR, reg);
}

24
src/soc/intel/broadwell/early_init.c
View File

@ -11,32 +11,32 @@
static void broadwell_setup_bars(void)
{
/* Set up all hardcoded northbridge BARs */
pci_write_config32(SA_DEV_ROOT, MCHBAR, CONFIG_FIXED_MCHBAR_MMIO_BASE | 1);
pci_write_config32(SA_DEV_ROOT, DMIBAR, CONFIG_FIXED_DMIBAR_MMIO_BASE | 1);
pci_write_config32(SA_DEV_ROOT, EPBAR, CONFIG_FIXED_EPBAR_MMIO_BASE | 1);
pci_write_config32(HOST_BRIDGE, MCHBAR, CONFIG_FIXED_MCHBAR_MMIO_BASE | 1);
pci_write_config32(HOST_BRIDGE, DMIBAR, CONFIG_FIXED_DMIBAR_MMIO_BASE | 1);
pci_write_config32(HOST_BRIDGE, EPBAR, CONFIG_FIXED_EPBAR_MMIO_BASE | 1);
mchbar_write32(EDRAMBAR, EDRAM_BASE_ADDRESS | 1);
mchbar_write32(GDXCBAR, GDXC_BASE_ADDRESS | 1);
/* Set C0000-FFFFF to access RAM on both reads and writes */
pci_write_config8(SA_DEV_ROOT, PAM0, 0x30);
pci_write_config8(SA_DEV_ROOT, PAM1, 0x33);
pci_write_config8(SA_DEV_ROOT, PAM2, 0x33);
pci_write_config8(SA_DEV_ROOT, PAM3, 0x33);
pci_write_config8(SA_DEV_ROOT, PAM4, 0x33);
pci_write_config8(SA_DEV_ROOT, PAM5, 0x33);
pci_write_config8(SA_DEV_ROOT, PAM6, 0x33);
pci_write_config8(HOST_BRIDGE, PAM0, 0x30);
pci_write_config8(HOST_BRIDGE, PAM1, 0x33);
pci_write_config8(HOST_BRIDGE, PAM2, 0x33);
pci_write_config8(HOST_BRIDGE, PAM3, 0x33);
pci_write_config8(HOST_BRIDGE, PAM4, 0x33);
pci_write_config8(HOST_BRIDGE, PAM5, 0x33);
pci_write_config8(HOST_BRIDGE, PAM6, 0x33);
}
void systemagent_early_init(void)
{
const bool vtd_capable =
!(pci_read_config32(SA_DEV_ROOT, CAPID0_A) & VTD_DISABLE);
!(pci_read_config32(HOST_BRIDGE, CAPID0_A) & VTD_DISABLE);
broadwell_setup_bars();
/* Device enable: IGD and Mini-HD */
pci_write_config32(SA_DEV_ROOT, DEVEN, DEVEN_D0EN | DEVEN_D2EN | DEVEN_D3EN);
pci_write_config32(HOST_BRIDGE, DEVEN, DEVEN_D0EN | DEVEN_D2EN | DEVEN_D3EN);
if (vtd_capable) {
/* setup BARs: zeroize top 32 bits; set enable bit */

4
src/soc/intel/broadwell/include/soc/pci_devs.h
View File

@ -17,9 +17,7 @@
#define SA_DEV_SLOT_ROOT 0x00
#define SA_DEVFN_ROOT PCI_DEVFN(SA_DEV_SLOT_ROOT, 0)
#if defined(__SIMPLE_DEVICE__)
#define SA_DEV_ROOT PCI_DEV(0, SA_DEV_SLOT_ROOT, 0)
#endif
#define HOST_BRIDGE PCI_DEV(0, SA_DEV_SLOT_ROOT, 0)
#define SA_DEV_SLOT_IGD 0x02
#define SA_DEVFN_IGD PCI_DEVFN(SA_DEV_SLOT_IGD, 0)

6
src/soc/intel/broadwell/memmap.c
View File

@ -19,7 +19,7 @@ static uintptr_t dpr_region_start(void)
* 1 MiB alignment and reports the TOP of the range, the base
* must be calculated from the size in MiB in bits 11:4.
*/
uintptr_t dpr = pci_read_config32(SA_DEV_ROOT, DPR);
uintptr_t dpr = pci_read_config32(HOST_BRIDGE, DPR);
uintptr_t tom = ALIGN_DOWN(dpr, 1 * MiB);
/* Subtract DMA Protected Range size if enabled */
@ -36,8 +36,8 @@ void *cbmem_top_chipset(void)
void smm_region(uintptr_t *start, size_t *size)
{
uintptr_t tseg = pci_read_config32(SA_DEV_ROOT, TSEG);
uintptr_t bgsm = pci_read_config32(SA_DEV_ROOT, BGSM);
uintptr_t tseg = pci_read_config32(HOST_BRIDGE, TSEG);
uintptr_t bgsm = pci_read_config32(HOST_BRIDGE, BGSM);
tseg = ALIGN_DOWN(tseg, 1 * MiB);
bgsm = ALIGN_DOWN(bgsm, 1 * MiB);

4
src/soc/intel/broadwell/report_platform.c
View File

@ -124,8 +124,8 @@ static void report_cpu_info(void)
static void report_mch_info(void)
{
int i;
u16 mch_device = pci_read_config16(SA_DEV_ROOT, PCI_DEVICE_ID);
u8 mch_revision = pci_read_config8(SA_DEV_ROOT, PCI_REVISION_ID);
u16 mch_device = pci_read_config16(HOST_BRIDGE, PCI_DEVICE_ID);
u8 mch_revision = pci_read_config8(HOST_BRIDGE, PCI_REVISION_ID);
const char *mch_type = "Unknown";
/* Look for string to match the revision for Broadwell U/Y */