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Diffstat (limited to 'src/northbridge/intel/i82830')
-rw-r--r--src/northbridge/intel/i82830/i82830_smihandler.c53
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);