diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-09 14:19:04 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-11-12 18:22:57 +0000 |
| commit | fecf77770b8e68b9ef82021ca53c31db93736d93 (patch) | |
| tree | 001fba539061f4075699fc98e02b3153259477e9 /src/mainboard/lenovo/t60 | |
| parent | 675cb9152e6704383cf402c55758ddea2c7a1e05 (diff) | |
sb/intel/i82801gx: Add common LPC decode code
Generic LPC decode ranges can now be set from the devicetree.
Change-Id: I1065ec770ad3a743286859efa39dca09ccb733a1
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36700
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/mainboard/lenovo/t60')
| -rw-r--r-- | src/mainboard/lenovo/t60/devicetree.cb | 4 | ||||
| -rw-r--r-- | src/mainboard/lenovo/t60/romstage.c | 21 |
2 files changed, 8 insertions, 17 deletions
diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb index 70900eae2c..ada50f39ce 100644 --- a/src/mainboard/lenovo/t60/devicetree.cb +++ b/src/mainboard/lenovo/t60/devicetree.cb @@ -82,6 +82,10 @@ chip northbridge/intel/i945 register "docking_supported" = "1" register "p_cnt_throttling_supported" = "1" + register "gen1_dec" = "0x007c1601" + register "gen2_dec" = "0x000c15e1" + register "gen3_dec" = "0x001c1681" + device pci 1b.0 on # Audio Controller subsystemid 0x17aa 0x2010 end diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c index b003de8926..ac78aae841 100644 --- a/src/mainboard/lenovo/t60/romstage.c +++ b/src/mainboard/lenovo/t60/romstage.c @@ -32,25 +32,11 @@ #include <southbridge/intel/common/pmclib.h> #include "dock.h" -static void ich7_enable_lpc(void) +/* Override the default lpc decode ranges */ +static void mb_lpc_decode(void) { - // Enable Serial IRQ - pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0); // decode range pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0210); - // decode range - pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF1_LPC_EN | MC_LPC_EN - | KBC_LPC_EN | GAMEH_LPC_EN | GAMEL_LPC_EN | FDD_LPC_EN - | LPT_LPC_EN | COMA_LPC_EN); - - /* range 0x1600 - 0x167f */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x007c1601); - - /* range 0x15e0 - 0x15ef */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN2_DEC, 0x000c15e1); - - /* range 0x1680 - 0x169f */ - pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN3_DEC, 0x001c1681); } static void early_superio_config(void) @@ -140,7 +126,8 @@ void mainboard_romstage_entry(void) enable_lapic(); - ich7_enable_lpc(); + i82801gx_lpc_setup(); + mb_lpc_decode(); /* We want early GPIO setup, to be able to detect legacy I/O module */ pci_write_config32(PCI_DEV(0, 0x1f, 0), GPIOBASE, DEFAULT_GPIOBASE | 1); |