From 2cfab90baa2eca04f6a522b65ce23650e5af56ff Mon Sep 17 00:00:00 2001 From: Damien Zammit Date: Mon, 18 Jan 2016 16:39:51 +1100 Subject: nb/intel/pineview: Increase MMCONF decoding to 256 busses Linux kernel detects 256 busses but previously only 64 were allocated. Removes warning in OS. Change-Id: Id83c85e60025a04acbe6a53dfea6878222d8791f Signed-off-by: Damien Zammit Reviewed-on: https://review.coreboot.org/13033 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc --- src/northbridge/intel/pineview/acpi/pineview.asl | 2 +- src/northbridge/intel/pineview/bootblock.c | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/src/northbridge/intel/pineview/acpi/pineview.asl b/src/northbridge/intel/pineview/acpi/pineview.asl index d32a906835..dccbf49387 100644 --- a/src/northbridge/intel/pineview/acpi/pineview.asl +++ b/src/northbridge/intel/pineview/acpi/pineview.asl @@ -33,7 +33,7 @@ Device (PDRC) Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00004000) Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000) Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000) - Memory32Fixed(ReadWrite, DEFAULT_PCIEXBAR, 0x04000000) + Memory32Fixed(ReadWrite, DEFAULT_PCIEXBAR, 0x10000000) Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) /* Misc ICH */ Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) /* Misc ICH */ Memory32Fixed(ReadWrite, 0xfed45000, 0x0004b000) /* Misc ICH */ diff --git a/src/northbridge/intel/pineview/bootblock.c b/src/northbridge/intel/pineview/bootblock.c index 1c04c28b98..a67cc1aeb5 100644 --- a/src/northbridge/intel/pineview/bootblock.c +++ b/src/northbridge/intel/pineview/bootblock.c @@ -1,8 +1,10 @@ #include #define PCIEXBAR 0x60 +#define MMCONF_256_BUSSES 16 +#define ENABLE 1 static void bootblock_northbridge_init(void) { pci_io_write_config32(PCI_DEV(0,0,0), PCIEXBAR, - CONFIG_MMCONF_BASE_ADDRESS | 4 | 1); + CONFIG_MMCONF_BASE_ADDRESS | MMCONF_256_BUSSES | ENABLE); } -- cgit v1.2.3