diff options
Diffstat (limited to 'src/southbridge/intel')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/early_pch.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_pch.c b/src/southbridge/intel/bd82x6x/early_pch.c index 4f9cd325c6..c1631f4229 100644 --- a/src/southbridge/intel/bd82x6x/early_pch.c +++ b/src/southbridge/intel/bd82x6x/early_pch.c @@ -41,7 +41,6 @@ wait_iobp(void) static u32 read_iobp(u32 address) { - volatile u32 tmp; u32 ret; RCBA32(IOBPIRI) = address; @@ -49,14 +48,13 @@ read_iobp(u32 address) wait_iobp(); ret = RCBA32(IOBPD); wait_iobp(); - tmp = RCBA8(IOBPS); // call wait_iobp() instead here? + RCBA8(IOBPS); // call wait_iobp() instead here? return ret; } static void write_iobp(u32 address, u32 val) { - volatile u32 tmp; /* this function was probably pch_iobp_update with the andvalue * being 0. So either the IOBP read can be removed or this function * and the pch_iobp_update function in ramstage could be merged */ @@ -68,7 +66,7 @@ write_iobp(u32 address, u32 val) wait_iobp(); RCBA16(IOBPS) = (RCBA16(IOBPS) & 0x1ff) | 0x600; - tmp = RCBA8(IOBPS); // call wait_iobp() instead here? + RCBA8(IOBPS); // call wait_iobp() instead here? } void early_pch_init_native_dmi_pre(void) @@ -85,14 +83,12 @@ void early_pch_init_native_dmi_pre(void) void early_pch_init_native_dmi_post(void) { - volatile u32 tmp; - - tmp = RCBA32(0x0050); // !!! = 0x01200654 + RCBA32(0x0050); // !!! = 0x01200654 RCBA32(0x0050) = 0x01200654; - tmp = RCBA32(0x0050); // !!! = 0x01200654 + RCBA32(0x0050); // !!! = 0x01200654 RCBA32(0x0050) = 0x012a0654; - tmp = RCBA32(0x0050); // !!! = 0x012a0654 - tmp = RCBA8(0x1114); // !!! = 0x00 + RCBA32(0x0050); // !!! = 0x012a0654 + RCBA8(0x1114); // !!! = 0x00 RCBA8(0x1114) = 0x05; /* @@ -119,7 +115,7 @@ void early_pch_init_native_dmi_post(void) */ RCBA32(0x2020) = (1 << 31) | (1 << 24) | (0x11 << 1); /* Read back register */ - tmp = RCBA32(0x2020); + RCBA32(0x2020); /* Virtual Channel private Resource Control Register. * Enable channel. @@ -128,7 +124,7 @@ void early_pch_init_native_dmi_post(void) */ RCBA32(0x2030) = (1 << 31) | (2 << 24) | (0x22 << 1); /* Read back register */ - tmp = RCBA32(0x2030); + RCBA32(0x2030); /* Virtual Channel ME Resource Control Register. * Enable channel. @@ -140,7 +136,7 @@ void early_pch_init_native_dmi_post(void) /* Lock Virtual Channel Resource control register. */ RCBA32(0x0050) |= 0x80000000; /* Read back register */ - tmp = RCBA32(0x0050); + RCBA32(0x0050); /* Wait for virtual channels negotiation pending */ while (RCBA16(0x201a) & VCNEGPND) @@ -156,24 +152,23 @@ void early_pch_init_native_dmi_post(void) void early_pch_init_native (void) { - volatile u32 tmp; pci_write_config8 (SOUTHBRIDGE, 0xa6, pci_read_config8 (SOUTHBRIDGE, 0xa6) | 2); RCBA32(0x2088) = 0x00109000; - tmp = RCBA32(0x20ac); // !!! = 0x00000000 + RCBA32(0x20ac); // !!! = 0x00000000 RCBA32(0x20ac) = 0x40000000; RCBA32(0x100c) = 0x01110000; RCBA8(0x2340) = 0x1b; - tmp = RCBA32(0x2314); // !!! = 0x0a080000 + RCBA32(0x2314); // !!! = 0x0a080000 RCBA32(0x2314) = 0x0a280000; - tmp = RCBA32(0x2310); // !!! = 0xc809605b + RCBA32(0x2310); // !!! = 0xc809605b RCBA32(0x2310) = 0xa809605b; RCBA32(0x2324) = 0x00854c74; - tmp = RCBA8(0x0400); // !!! = 0x00 - tmp = RCBA32(0x2310); // !!! = 0xa809605b + RCBA8(0x0400); // !!! = 0x00 + RCBA32(0x2310); // !!! = 0xa809605b RCBA32(0x2310) = 0xa809605b; - tmp = RCBA32(0x2310); // !!! = 0xa809605b + RCBA32(0x2310); // !!! = 0xa809605b RCBA32(0x2310) = 0xa809605b; write_iobp(0xea007f62, 0x00590133); |