diff options
Diffstat (limited to 'src/northbridge/intel')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c index 0b27fe5524..7d946af049 100644 --- a/src/northbridge/intel/sandybridge/raminit.c +++ b/src/northbridge/intel/sandybridge/raminit.c @@ -184,6 +184,8 @@ typedef struct ramctr_timing_st { int rank_mirror[NUM_CHANNELS][NUM_SLOTRANKS]; struct ram_rank_timings timings[NUM_CHANNELS][NUM_SLOTRANKS]; + + dimm_info info; } ramctr_timing; #define SOUTHBRIDGE PCI_DEV(0, 0x1f, 0) @@ -238,11 +240,15 @@ static void toggle_io_reset(void) { /* * Fill cbmem with information for SMBIOS type 17. */ -static void fill_smbios17(dimm_info *info, uint16_t ddr_freq) +static void fill_smbios17(ramctr_timing *ctrl) { struct memory_info *mem_info; int channel, slot; struct dimm_info *dimm; + uint16_t ddr_freq; + dimm_info *info = &ctrl->info; + + ddr_freq = (1000 << 8) / ctrl->tCK; /* * Allocate CBMEM area for DIMM information used to populate SMBIOS @@ -323,11 +329,11 @@ void read_spd(spd_raw_data * spd, u8 addr) (*spd)[j] = do_smbus_read_byte(SMBUS_IO_BASE, addr, j); } -static void dram_find_spds_ddr3(spd_raw_data * spd, dimm_info * dimm, - ramctr_timing * ctrl) +static void dram_find_spds_ddr3(spd_raw_data *spd, ramctr_timing *ctrl) { int dimms = 0, dimms_on_channel; int channel, slot, spd_slot; + dimm_info *dimm = &ctrl->info; memset (ctrl->rankmap, 0, sizeof (ctrl->rankmap)); @@ -408,11 +414,12 @@ static void dram_find_spds_ddr3(spd_raw_data * spd, dimm_info * dimm, die("No DIMMs were found"); } -static void dram_find_common_params(const dimm_info * dimms, - ramctr_timing * ctrl) +static void dram_find_common_params(ramctr_timing *ctrl) { size_t valid_dimms; int channel, slot; + dimm_info *dimms = &ctrl->info; + ctrl->cas_supported = 0xff; valid_dimms = 0; FOR_ALL_CHANNELS for (slot = 0; slot < 2; slot++) { @@ -928,10 +935,11 @@ static void dram_timing_regs(ramctr_timing * ctrl) } } -static void dram_dimm_mapping(dimm_info * info, ramctr_timing * ctrl) +static void dram_dimm_mapping(ramctr_timing *ctrl) { u32 reg, val32; int channel; + dimm_info *info = &ctrl->info; FOR_ALL_CHANNELS { dimm_attr *dimmA = 0; @@ -3943,7 +3951,7 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck, { int me_uma_size; int cbmem_was_inited; - dimm_info info; + ramctr_timing ctrl; MCHBAR32(0x5f00) |= 1; @@ -3971,8 +3979,6 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck, halt(); } - ramctr_timing ctrl; - memset(&ctrl, 0, sizeof (ctrl)); early_pch_init_native(); @@ -3998,12 +4004,12 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck, if (!s3resume) { /* Get DDR3 SPD data */ - dram_find_spds_ddr3(spds, &info, &ctrl); + dram_find_spds_ddr3(spds, &ctrl); /* Find fastest common supported parameters */ - dram_find_common_params(&info, &ctrl); + dram_find_common_params(&ctrl); - dram_dimm_mapping(&info, &ctrl); + dram_dimm_mapping(&ctrl); } /* Set MCU frequency */ @@ -4124,7 +4130,7 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck, halt(); } - fill_smbios17(&info, (1000 << 8) / ctrl.tCK); + fill_smbios17(&ctrl); } #define HOST_BRIDGE PCI_DEVFN(0, 0) |