diff options
| 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/kontron | |
| parent | e4a016ff17b455a8acd0ea72b30caabb622ce224 (diff) | |
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/kontron')
| -rw-r--r-- | src/mainboard/kontron/986lcd-m/romstage.c | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/src/mainboard/kontron/986lcd-m/romstage.c b/src/mainboard/kontron/986lcd-m/romstage.c index 3b3ff661fd..f7e8131a5e 100644 --- a/src/mainboard/kontron/986lcd-m/romstage.c +++ b/src/mainboard/kontron/986lcd-m/romstage.c @@ -41,23 +41,25 @@ static void ich7_enable_lpc(void) { int lpt_en = 0; - if (read_option(lpt, 0) != 0) { - lpt_en = 1 << 2; /* enable LPT */ - } + if (read_option(lpt, 0) != 0) + lpt_en = LPT_LPC_EN; /* enable LPT */ + /* 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, 0x0010); + pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0010); /* Enable COM1/COM2/KBD/SuperIO1+2 */ - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x340b | lpt_en); + pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF2_LPC_EN + | CNF1_LPC_EN | KBC_LPC_EN | FDD_LPC_EN | COMA_LPC_EN + | COMB_LPC_EN | lpt_en); /* Enable HWM at 0xa00 */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x00fc0a01); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x00fc0a01); /* COM3 decode */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x000403e9); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN2_DEC, 0x000403e9); /* COM4 decode */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x8c, 0x000402e9); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN3_DEC, 0x000402e9); /* io 0x300 decode */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x90, 0x00000301); + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN4_DEC, 0x00000301); } /* TODO: superio code should really not be in mainboard */ @@ -186,19 +188,19 @@ static void rcba_config(void) /* Set up virtual channel 0 */ /* Device 1f interrupt pin register */ - RCBA32(0x3100) = 0x00042210; + RCBA32(D31IP) = 0x00042210; /* Device 1d interrupt pin register */ - RCBA32(0x310c) = 0x00214321; + RCBA32(D28IP) = 0x00214321; /* dev irq route register */ - RCBA16(0x3140) = 0x0132; - RCBA16(0x3142) = 0x3241; - RCBA16(0x3144) = 0x0237; - RCBA16(0x3146) = 0x3210; - RCBA16(0x3148) = 0x3210; + RCBA16(D31IR) = 0x0132; + RCBA16(D30IR) = 0x3241; + RCBA16(D29IR) = 0x0237; + RCBA16(D28IR) = 0x3210; + RCBA16(D27IR) = 0x3210; /* Enable IOAPIC */ - RCBA8(0x31ff) = 0x03; + RCBA8(OIC) = 0x03; /* Now, this is a bit ugly. As per PCI specification, function 0 of a * device always has to be implemented. So disabling ethernet port 1 @@ -245,7 +247,7 @@ static void rcba_config(void) reg32 |= 1; - RCBA32(0x3418) = reg32; + RCBA32(FD) = reg32; /* Enable PCIe Root Port Clock Gate */ @@ -283,14 +285,14 @@ static void early_ich7_init(void) RCBA32(0x0214) = 0x10030549; 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); |