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| author | Arthur Heymans <arthur@aheymans.xyz> | 2017-08-15 20:59:09 +0200 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2018-01-14 21:43:25 +0000 |
| commit | b451df2f400ba12fff440247330f8b57a93034bd (patch) | |
| tree | 8bb52821a42aaaea2e614910d97b1ae4e690b7c2 /src/mainboard/gigabyte/ga-945gcm-s2l | |
| parent | e4a016ff17b455a8acd0ea72b30caabb622ce224 (diff) | |
| download | coreboot-b451df2f400ba12fff440247330f8b57a93034bd.tar.xz | |
mb/*/*/romstage.c: Clean up targets with i82801gx
Things cleaned up in this patch:
* Add macros for the GENx_DEC registers;
* replace many magic numbers by macros;
* remove many writes to DxxIP since they were 'setting' reset default
values;
* fix some comments about decode ranges.
Change-Id: I9d6a0ff3d391947f611a2f3c65684f4ee57bc263
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/21065
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/mainboard/gigabyte/ga-945gcm-s2l')
| -rw-r--r-- | src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c b/src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c index 9789d2acf6..926a5a7f36 100644 --- a/src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c +++ b/src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c @@ -68,27 +68,29 @@ static void setup_sio(void) static void ich7_enable_lpc(void) { // Enable Serial IRQ - pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0); + pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0); // Set COM1/COM2 decode range - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0000); + pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0000); // Enable COM1 - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x340d); + pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF2_LPC_EN + | CNF1_LPC_EN | KBC_LPC_EN | FDD_LPC_EN | LPT_LPC_EN + | COMA_LPC_EN); // Enable SuperIO Power Management Events - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x000c0801); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x000c0801); /* LPC decode range 2: Environment Controller */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x00040291); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN2_DEC, 0x00040291); } static void rcba_config(void) { /* Enable IOAPIC */ - RCBA8(0x31ff) = 0x03; + RCBA8(OIC) = 0x03; /* Disable unused devices */ - RCBA32(0x3418) = 0x003c0061; + RCBA32(FD) = 0x003c0061; /* Enable PCIe Root Port Clock Gate */ - RCBA32(0x341c) = 0x00000001; + RCBA32(CG) = 0x00000001; } static void early_ich7_init(void) @@ -123,14 +125,14 @@ static void early_ich7_init(void) RCBA32(0x0214) = 0x10030509; RCBA32(0x0218) = 0x00020504; RCBA8(0x0220) = 0xc5; - reg32 = RCBA32(0x3410); + reg32 = RCBA32(GCS); reg32 |= (1 << 6); - RCBA32(0x3410) = reg32; + RCBA32(GCS) = reg32; reg32 = RCBA32(0x3430); reg32 &= ~(3 << 0); reg32 |= (1 << 0); RCBA32(0x3430) = reg32; - RCBA32(0x3418) |= (1 << 0); + RCBA32(FD) |= (1 << 0); RCBA16(0x0200) = 0x2008; RCBA8(0x2027) = 0x0d; RCBA16(0x3e08) |= (1 << 7); |