diff options
Diffstat (limited to 'src/northbridge/intel/i82830/i82830_smihandler.c')
| -rw-r--r-- | src/northbridge/intel/i82830/i82830_smihandler.c | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/src/northbridge/intel/i82830/i82830_smihandler.c b/src/northbridge/intel/i82830/i82830_smihandler.c index ae5d5e2872..1c45927a86 100644 --- a/src/northbridge/intel/i82830/i82830_smihandler.c +++ b/src/northbridge/intel/i82830/i82830_smihandler.c @@ -32,12 +32,12 @@ extern unsigned char *mbi; extern u32 mbi_len; -#define DEBUG_SMI +// #define DEBUG_SMI_I82830 /* If YABEL is enabled and it's not running at 0x00000000, we have to add some * offset to all our mbi object memory accesses */ -#if defined(CONFIG_PCI_OPTION_ROM_RUN_YABEL) && !defined(CONFIG_YABEL_DIRECTHW) +#if defined(CONFIG_PCI_OPTION_ROM_RUN_YABEL) && CONFIG_PCI_OPTION_ROM_RUN_YABEL && !CONFIG_YABEL_DIRECTHW #define OBJ_OFFSET CONFIG_YABEL_VIRTMEM_LOCATION #else #define OBJ_OFFSET 0x00000 @@ -76,6 +76,7 @@ typedef struct { #define MSH_IF_BUF_SIZE 0x010b #define MSH_IF_NOT_PENDING 0x010c +#ifdef DEBUG_SMI_I82830 static void dump(u8 * addr, u32 len) { @@ -109,6 +110,7 @@ dump(u8 * addr, u32 len) } printk_debug("\n"); } +#endif typedef struct { banner_id_t banner; @@ -147,13 +149,15 @@ typedef struct { static void mbi_call(u8 subf, banner_id_t *banner_id) { - // printk_debug("MBI\n"); - // printk_debug("|- sub function %x\n", subf); - // printk_debug("|- banner id @ %x\n", (u32)banner_id); - // printk_debug("| |- mhid %x\n", banner_id->mhid); - // printk_debug("| |- function %x\n", banner_id->function); - // printk_debug("| |- return status %x\n", banner_id->retsts); - // printk_debug("| |- rfu %x\n", banner_id->rfu); +#ifdef DEBUG_SMI_I82830 + printk_debug("MBI\n"); + printk_debug("|- sub function %x\n", subf); + printk_debug("|- banner id @ %x\n", (u32)banner_id); + printk_debug("| |- mhid %x\n", banner_id->mhid); + printk_debug("| |- function %x\n", banner_id->function); + printk_debug("| |- return status %x\n", banner_id->retsts); + printk_debug("| |- rfu %x\n", banner_id->rfu); +#endif switch(banner_id->function) { case 0x0001: { @@ -196,15 +200,19 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) if (obj_header->objnum == count) { int headerlen = ALIGN(sizeof(mbi_header) + mbi_header->name_len + 15, 16); - // printk_debug("| |- headerlen = %d\n", headerlen); +#ifdef DEBUG_SMI_I82830 + printk_debug("| |- headerlen = %d\n", headerlen); +#endif memcpy(&obj_header->header, mbi_header, headerlen); obj_header->banner.retsts = MSH_OK; printk_debug("| |- MBI module '"); int j; for (j=0; j < mbi_header->name_len && mbi_header->name[j]; j++) printk_debug("%c", mbi_header->name[j]); - printk_debug("' found.\n", obj_header->objnum); - // dump(banner_id, sizeof(obj_header_t) + 16); + printk_debug("' found.\n"); +#ifdef DEBUG_SMI_I82830 + dump(banner_id, sizeof(obj_header_t) + 16); +#endif break; } i += len; @@ -218,7 +226,9 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) get_object_t *getobj = (get_object_t *)banner_id; mbi_header_t *mbi_header = NULL; printk_debug("|- MBI_GetObject\n"); - // printk_debug("| |- handle = %016lx\n", getobj->handle); +#ifdef DEBUG_SMI_I82830 + printk_debug("| |- handle = %016lx\n", getobj->handle); +#endif printk_debug("| |- objnum = %d\n", getobj->objnum); printk_debug("| |- start = %x\n", getobj->start); printk_debug("| |- numbytes = %x\n", getobj->numbytes); @@ -245,7 +255,9 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) ((char *)mbi_header) + 0x20 , (len > getobj->buflen ? getobj->buflen : len)); getobj->banner.retsts = MSH_OK; - //dump(banner_id, sizeof(getobj) + len); +#ifdef DEBUG_SMI_I82830 + dump(banner_id, sizeof(getobj) + len); +#endif break; } i += len; @@ -275,15 +287,12 @@ static void mbi_call(u8 subf, banner_id_t *banner_id) #define PC12 0x12 #define PC13 0x13 -void smi_interface_call(void) +static void smi_interface_call(void) { - u32 mmio; - mmio = pci_read_config32(PCI_DEV(0, 0x02, 0), 0x14); + u32 mmio = pci_read_config32(PCI_DEV(0, 0x02, 0), 0x14); // mmio &= 0xfff80000; // printk_debug("mmio=%x\n", mmio); - - u16 swsmi; - swsmi=pci_read_config16(PCI_DEV(0, 0x02, 0), 0xe0); + u16 swsmi = pci_read_config16(PCI_DEV(0, 0x02, 0), 0xe0); if (!(swsmi & 1)) return; @@ -299,7 +308,7 @@ void smi_interface_call(void) swsmi &= 0xff; swsmi |= (PC13 << 8); pci_write_config16(PCI_DEV(0, 0x02, 0), 0xe0, swsmi); - // pathetic + // write magic write32(mmio + 0x71428, 0x494e5443); return; case 4: @@ -308,7 +317,7 @@ void smi_interface_call(void) break; case 5: printk_debug("Call MBI Functions.\n"); - mbi_call(swsmi >> 8, (banner_id_t *)((readl(mmio + 0x71428) & 0x000fffff) + OBJ_OFFSET) ); + mbi_call(swsmi >> 8, (banner_id_t *)((read32(mmio + 0x71428) & 0x000fffff) + OBJ_OFFSET) ); // swsmi = 0x0000; swsmi &= ~(7 << 5); // Exit: Result swsmi |= (SMI_IFC_SUCCESS << 5); |