diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-06-08 01:39:25 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2020-06-09 17:52:29 +0000 |
| commit | 4a9569a1230935e20adfca0762be50dcae97487e (patch) | |
| tree | 746508e6db96b9021e80ebc538b924d4c9f72898 /src/northbridge/intel/x4x | |
| parent | 26886076f40ef92bf2785a9d8363fc4294793644 (diff) | |
nb/intel/x4x: Use PCI bitwise ops
Tested with BUILD_TIMELESS=1, Intel DG43GT does not change.
Change-Id: I1bb7a7fd808cbbb45efbbfb9581c6a948323a48f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42155
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/northbridge/intel/x4x')
| -rw-r--r-- | src/northbridge/intel/x4x/gma.c | 6 | ||||
| -rw-r--r-- | src/northbridge/intel/x4x/raminit.c | 14 | ||||
| -rw-r--r-- | src/northbridge/intel/x4x/raminit_ddr23.c | 8 |
3 files changed, 10 insertions, 18 deletions
diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c index d2d2bb067d..68d382ef20 100644 --- a/src/northbridge/intel/x4x/gma.c +++ b/src/northbridge/intel/x4x/gma.c @@ -48,11 +48,9 @@ static void gma_func0_init(struct device *dev) static void gma_func0_disable(struct device *dev) { struct device *dev_host = pcidev_on_root(0, 0); - u16 ggc; - ggc = pci_read_config16(dev_host, D0F0_GGC); - ggc |= (1 << 1); /* VGA cycles to discrete GPU */ - pci_write_config16(dev_host, D0F0_GGC, ggc); + /* VGA cycles to discrete GPU */ + pci_or_config16(dev_host, D0F0_GGC, 1 << 1); } static void gma_generate_ssdt(const struct device *device) diff --git a/src/northbridge/intel/x4x/raminit.c b/src/northbridge/intel/x4x/raminit.c index e505a5bcdd..5fc9a7ac39 100644 --- a/src/northbridge/intel/x4x/raminit.c +++ b/src/northbridge/intel/x4x/raminit.c @@ -597,10 +597,9 @@ static void checkreset_ddr2(int boot_path) pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, pmcon2); /* do magic 0xf0 thing. */ - u8 reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0); - pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~(1 << 2)); - reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf0); - pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 | (1 << 2)); + pci_and_config8(PCI_DEV(0, 0, 0), 0xf0, ~(1 << 2)); + + pci_or_config8(PCI_DEV(0, 0, 0), 0xf0, (1 << 2)); full_reset(); } @@ -690,11 +689,10 @@ void sdram_initialize(int boot_path, const u8 *spd_map) do_raminit(&s, fast_boot); - reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); - pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8 & ~0x80); + pci_and_config8(PCI_DEV(0, 0x1f, 0), 0xa2, (u8)~0x80); + + pci_or_config8(PCI_DEV(0, 0, 0), 0xf4, 1); - reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf4); - pci_write_config8(PCI_DEV(0, 0, 0), 0xf4, reg8 | 1); printk(BIOS_DEBUG, "RAM initialization finished.\n"); cbmem_was_inited = !cbmem_recovery(s.boot_path == BOOT_PATH_RESUME); diff --git a/src/northbridge/intel/x4x/raminit_ddr23.c b/src/northbridge/intel/x4x/raminit_ddr23.c index ef1094f92c..332af327f5 100644 --- a/src/northbridge/intel/x4x/raminit_ddr23.c +++ b/src/northbridge/intel/x4x/raminit_ddr23.c @@ -1701,7 +1701,6 @@ static void configure_mmap(struct sysinfo *s) u16 ggc2uma[] = { 0, 1, 4, 8, 16, 32, 48, 64, 128, 256, 96, 160, 224, 352 }; u8 ggc2gtt[] = { 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 3, 4}; - u8 reg8; ggc = pci_read_config16(PCI_DEV(0, 0, 0), 0x52); gfxsize = ggc2uma[(ggc & 0xf0) >> 4]; @@ -1745,11 +1744,8 @@ static void configure_mmap(struct sysinfo *s) pci_write_config16(PCI_DEV(0, 0, 0), 0xa2, touud); pci_write_config32(PCI_DEV(0, 0, 0), 0xa4, gfxbase << 20); pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, gttbase << 20); - /* Enable and set tseg size to 2M */ - reg8 = pci_read_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC); - reg8 &= ~0x7; - reg8 |= (1 << 1) | (1 << 0); /* 2M and TSEG_Enable */ - pci_write_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC, reg8); + /* Enable and set TSEG size to 2M */ + pci_update_config8(PCI_DEV(0, 0, 0), D0F0_ESMRAMC, ~0x07, (1 << 1) | (1 << 0)); pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegbase << 20); } |