From a4857052f756507e18a54beba704f183f128a057 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Sun, 31 Aug 2014 01:09:12 +0200 Subject: i82801gx: Kill unused TCG and SMI1 SMI1 is being written to but never read from. Change-Id: I82c0800713e3093eb1317b5e1f6f228771134857 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/6808 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan Reviewed-by: Stefan Reinauer --- src/southbridge/intel/i82801gx/smi.c | 2 -- src/southbridge/intel/i82801gx/smihandler.c | 19 ++----------------- 2 files changed, 2 insertions(+), 19 deletions(-) (limited to 'src/southbridge') diff --git a/src/southbridge/intel/i82801gx/smi.c b/src/southbridge/intel/i82801gx/smi.c index 8cb11b278f..134c232c5d 100644 --- a/src/southbridge/intel/i82801gx/smi.c +++ b/src/southbridge/intel/i82801gx/smi.c @@ -387,7 +387,5 @@ void smm_setup_structures(void *gnvs, void *tcg, void *smi1) * after we relocated the GNVS, so this is not troublesome. */ *(u32 *)0x500 = (u32)gnvs; - *(u32 *)0x504 = (u32)tcg; - *(u32 *)0x508 = (u32)smi1; outb(0xea, 0xb2); } diff --git a/src/southbridge/intel/i82801gx/smihandler.c b/src/southbridge/intel/i82801gx/smihandler.c index ba4d0148e4..cccfe150fb 100644 --- a/src/southbridge/intel/i82801gx/smihandler.c +++ b/src/southbridge/intel/i82801gx/smihandler.c @@ -49,8 +49,6 @@ u8 smm_initialized = 0; * by coreboot. */ global_nvs_t *gnvs = (global_nvs_t *)0x0; -void *tcg = (void *)0x0; -void *smi1 = (void *)0x0; /** * @brief read and clear PM1_STS @@ -407,10 +405,8 @@ static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state return; } gnvs = *(global_nvs_t **)0x500; - tcg = *(void **)0x504; - smi1 = *(void **)0x508; smm_initialized = 1; - printk(BIOS_DEBUG, "SMI#: Setting up structures to %p, %p, %p\n", gnvs, tcg, smi1); + printk(BIOS_DEBUG, "SMI#: Setting up structures to %p\n", gnvs); break; default: printk(BIOS_DEBUG, "SMI#: Unknown function APM_CNT=%02x\n", reg8); @@ -558,18 +554,7 @@ static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *st /* IOTRAP(2) currently unused * IOTRAP(1) currently unused */ - /* IOTRAP(0) SMIC */ - if (IOTRAP(0)) { - if (!(trap_cycle & (1 << 24))) { // It's a write - printk(BIOS_DEBUG, "SMI1 command\n"); - data = RCBA32(0x1e18); - data &= mask; - // if (smi1) - // southbridge_smi_command(data); - // return; - } - // Fall through to debug - } + /* IOTRAP(0) SMIC: currently unused */ printk(BIOS_DEBUG, " trapped io address = 0x%x\n", trap_cycle & 0xfffc); for (i=0; i < 4; i++) if(IOTRAP(i)) printk(BIOS_DEBUG, " TRAP = %d\n", i); -- cgit v1.2.3