From 650b6d0b61087d979f18f57b64ede4ff9d1c56f6 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Wed, 24 Mar 2004 14:10:45 +0000 Subject: Further trimming freebios2 towards code reuse. Unified AMD K8 reset function that can be customized via mainboard Config.lb git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1471 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/amd/amd8111/Config.lb | 1 + src/southbridge/amd/amd8111/amd8111_reset.c | 45 +++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 src/southbridge/amd/amd8111/amd8111_reset.c (limited to 'src/southbridge/amd/amd8111') diff --git a/src/southbridge/amd/amd8111/Config.lb b/src/southbridge/amd/amd8111/Config.lb index 5bbbaba65e..57d299cfbf 100644 --- a/src/southbridge/amd/amd8111/Config.lb +++ b/src/southbridge/amd/amd8111/Config.lb @@ -8,3 +8,4 @@ driver amd8111_usb2.o driver amd8111_ac97.o driver amd8111_nic.o driver amd8111_pci.o +object amd8111_reset.o diff --git a/src/southbridge/amd/amd8111/amd8111_reset.c b/src/southbridge/amd/amd8111/amd8111_reset.c new file mode 100644 index 0000000000..822a1e378f --- /dev/null +++ b/src/southbridge/amd/amd8111/amd8111_reset.c @@ -0,0 +1,45 @@ +#include + +#define PCI_DEV(BUS, DEV, FN) ( \ + (((BUS) & 0xFF) << 16) | \ + (((DEV) & 0x1f) << 11) | \ + (((FN) & 0x7) << 8)) + +#define AMD8111_RESET PCI_DEV( \ + HARD_RESET_BUS, \ + HARD_RESET_DEVICE, \ + HARD_RESET_FUNCTION) + +typedef unsigned device_t; + +static void pci_write_config8(device_t dev, unsigned where, unsigned char value) +{ + unsigned addr; + addr = dev | where; + outl(0x80000000 | (addr & ~3), 0xCF8); + outb(value, 0xCFC + (addr & 3)); +} + +static void pci_write_config32(device_t dev, unsigned where, unsigned value) +{ + unsigned addr; + addr = dev | where; + outl(0x80000000 | (addr & ~3), 0xCF8); + outl(value, 0xCFC); +} + +static unsigned pci_read_config32(device_t dev, unsigned where) +{ + unsigned addr; + addr = dev | where; + outl(0x80000000 | (addr & ~3), 0xCF8); + return inl(0xCFC); +} + +#include "../../../northbridge/amd/amdk8/reset_test.c" + +void hard_reset(void) +{ + set_bios_reset(); + pci_write_config8(AMD8111_RESET, 0x47, 1); +} -- cgit v1.2.3