diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-10-13 14:05:18 +0200 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2020-10-23 18:07:24 +0000 |
| commit | 6f44874598feabb77b47ce1e914a462ca567f144 (patch) | |
| tree | 8ab4c9a637213fe6adce90a83b67214d253b5206 /src/soc | |
| parent | 90f71918fba37739e0a4e46f8983a62a53a3eb12 (diff) | |
soc/intel/broadwell: Drop reg-script from early SA init
Haswell does not use reg-script, but does more or less the same thing.
Adapt Broadwell to ease the eventual unification with Haswell.
Change-Id: I4d3e0d235b681e34ed20240a41429f75a3b7cf04
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46339
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/broadwell/romstage/systemagent.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/src/soc/intel/broadwell/romstage/systemagent.c b/src/soc/intel/broadwell/romstage/systemagent.c index 6f6db62525..6bf7ba7a59 100644 --- a/src/soc/intel/broadwell/romstage/systemagent.c +++ b/src/soc/intel/broadwell/romstage/systemagent.c @@ -3,40 +3,40 @@ #include <device/mmio.h> #include <device/pci_ops.h> #include <device/pci_def.h> -#include <reg_script.h> #include <soc/iomap.h> #include <soc/pci_devs.h> #include <soc/romstage.h> #include <soc/systemagent.h> -static const struct reg_script systemagent_early_init_script[] = { - REG_PCI_WRITE32(MCHBAR, MCH_BASE_ADDRESS | 1), - REG_PCI_WRITE32(DMIBAR, DMI_BASE_ADDRESS | 1), - REG_PCI_WRITE32(EPBAR, EP_BASE_ADDRESS | 1), - REG_MMIO_WRITE32(MCH_BASE_ADDRESS + EDRAMBAR, EDRAM_BASE_ADDRESS | 1), - REG_MMIO_WRITE32(MCH_BASE_ADDRESS + GDXCBAR, GDXC_BASE_ADDRESS | 1), - - /* Set C0000-FFFFF to access RAM on both reads and writes */ - REG_PCI_WRITE8(PAM0, 0x30), - REG_PCI_WRITE8(PAM1, 0x33), - REG_PCI_WRITE8(PAM2, 0x33), - REG_PCI_WRITE8(PAM3, 0x33), - REG_PCI_WRITE8(PAM4, 0x33), - REG_PCI_WRITE8(PAM5, 0x33), - REG_PCI_WRITE8(PAM6, 0x33), +static void broadwell_setup_bars(void) +{ + /* Set up all hardcoded northbridge BARs */ + pci_write_config32(SA_DEV_ROOT, MCHBAR, MCH_BASE_ADDRESS | 1); + pci_write_config32(SA_DEV_ROOT, DMIBAR, DMI_BASE_ADDRESS | 1); + pci_write_config32(SA_DEV_ROOT, EPBAR, EP_BASE_ADDRESS | 1); - /* Device enable: IGD and Mini-HD */ - REG_PCI_WRITE32(DEVEN, DEVEN_D0EN | DEVEN_D2EN | DEVEN_D3EN), + MCHBAR32(EDRAMBAR) = EDRAM_BASE_ADDRESS | 1; + MCHBAR32(GDXCBAR) = GDXC_BASE_ADDRESS | 1; - REG_SCRIPT_END -}; + /* 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); +} void systemagent_early_init(void) { const bool vtd_capable = !(pci_read_config32(SA_DEV_ROOT, CAPID0_A) & VTD_DISABLE); - reg_script_run_on_dev(SA_DEV_ROOT, systemagent_early_init_script); + broadwell_setup_bars(); + + /* Device enable: IGD and Mini-HD */ + pci_write_config32(SA_DEV_ROOT, DEVEN, DEVEN_D0EN | DEVEN_D2EN | DEVEN_D3EN); if (vtd_capable) { /* setup BARs: zeroize top 32 bits; set enable bit */ |