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| author | Stefan Reinauer <stepan@coresystems.de> | 2010-12-18 23:29:37 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-12-18 23:29:37 +0000 |
| commit | cadc54583877db65f33d2db11088d5fae1b77b74 (patch) | |
| tree | 86377962deb6e6b1faa2093828ff7cb3e127120b /src/southbridge/intel/i82801gx | |
| parent | 405721d45c8f7cd58c2466e43df8c2aee6f8e714 (diff) | |
| download | coreboot-cadc54583877db65f33d2db11088d5fae1b77b74.tar.xz | |
SMM for AMD K8 Part 1/2
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6201 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/intel/i82801gx')
| -rw-r--r-- | src/southbridge/intel/i82801gx/i82801gx.h | 10 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801gx/lpc.c | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801gx/smi.c | 9 |
3 files changed, 14 insertions, 7 deletions
diff --git a/src/southbridge/intel/i82801gx/i82801gx.h b/src/southbridge/intel/i82801gx/i82801gx.h index 37bcf572b9..208ff6d4af 100644 --- a/src/southbridge/intel/i82801gx/i82801gx.h +++ b/src/southbridge/intel/i82801gx/i82801gx.h @@ -38,18 +38,16 @@ #ifndef __ACPI__ #define DEBUG_PERIODIC_SMIS 0 -#if !defined(ASSEMBLY) +#if !defined(ASSEMBLY) && !defined(__ROMCC__) #if !defined(__PRE_RAM__) #include "chip.h" extern void i82801gx_enable(device_t dev); -#endif -void i82801gx_enable_usbdebug(unsigned int port); -#endif - -#if defined(__PRE_RAM__) && !defined(__ROMCC__) && !defined(ASSEMBLY) +#else void enable_smbus(void); int smbus_read_byte(unsigned device, unsigned address); #endif +void i82801gx_enable_usbdebug(unsigned int port); +#endif #define MAINBOARD_POWER_OFF 0 #define MAINBOARD_POWER_ON 1 diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c index f486c1ebf8..7feb76a5fb 100644 --- a/src/southbridge/intel/i82801gx/lpc.c +++ b/src/southbridge/intel/i82801gx/lpc.c @@ -27,6 +27,7 @@ #include <pc80/i8259.h> #include <arch/io.h> #include <arch/ioapic.h> +#include <cpu/cpu.h> #include "i82801gx.h" #define NMI_OFF 0 @@ -335,7 +336,6 @@ static void enable_clock_gating(void) #if CONFIG_HAVE_SMI_HANDLER static void i82801gx_lock_smm(struct device *dev) { - void smm_lock(void); #if TEST_SMM_FLASH_LOCKDOWN u8 reg8; #endif diff --git a/src/southbridge/intel/i82801gx/smi.c b/src/southbridge/intel/i82801gx/smi.c index 39d5c4dca2..95ec1129a3 100644 --- a/src/southbridge/intel/i82801gx/smi.c +++ b/src/southbridge/intel/i82801gx/smi.c @@ -318,8 +318,17 @@ static void smm_relocate(void) outb(0x00, 0xb2); } +static int smm_handler_copied = 0; + static void smm_install(void) { + /* The first CPU running this gets to copy the SMM handler. But not all + * of them. + */ + if (smm_handler_copied) + return; + smm_handler_copied = 1; + /* enable the SMM memory window */ pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, D_OPEN | G_SMRAME | C_BASE_SEG); |