diff options
Diffstat (limited to 'src/device/dram/ddr4.c')
| -rw-r--r-- | src/device/dram/ddr4.c | 49 |
1 files changed, 11 insertions, 38 deletions
diff --git a/src/device/dram/ddr4.c b/src/device/dram/ddr4.c index f8fe8d3a96..050857ee20 100644 --- a/src/device/dram/ddr4.c +++ b/src/device/dram/ddr4.c @@ -35,41 +35,13 @@ struct ddr4_speed_attr { * May be 1 less than the actual max MT/s */ static const struct ddr4_speed_attr ddr4_speeds[] = { - [DDR4_1600] = { - .min_clock_mhz = 668, - .max_clock_mhz = 800, - .reported_mts = 1600 - }, - [DDR4_1866] = { - .min_clock_mhz = 801, - .max_clock_mhz = 934, - .reported_mts = 1866 - }, - [DDR4_2133] = { - .min_clock_mhz = 935, - .max_clock_mhz = 1067, - .reported_mts = 2133 - }, - [DDR4_2400] = { - .min_clock_mhz = 1068, - .max_clock_mhz = 1200, - .reported_mts = 2400 - }, - [DDR4_2666] = { - .min_clock_mhz = 1201, - .max_clock_mhz = 1333, - .reported_mts = 2666 - }, - [DDR4_2933] = { - .min_clock_mhz = 1334, - .max_clock_mhz = 1466, - .reported_mts = 2933 - }, - [DDR4_3200] = { - .min_clock_mhz = 1467, - .max_clock_mhz = 1600, - .reported_mts = 3200 - } + [DDR4_1600] = {.min_clock_mhz = 668, .max_clock_mhz = 800, .reported_mts = 1600}, + [DDR4_1866] = {.min_clock_mhz = 801, .max_clock_mhz = 934, .reported_mts = 1866}, + [DDR4_2133] = {.min_clock_mhz = 935, .max_clock_mhz = 1067, .reported_mts = 2133}, + [DDR4_2400] = {.min_clock_mhz = 1068, .max_clock_mhz = 1200, .reported_mts = 2400}, + [DDR4_2666] = {.min_clock_mhz = 1201, .max_clock_mhz = 1333, .reported_mts = 2666}, + [DDR4_2933] = {.min_clock_mhz = 1334, .max_clock_mhz = 1466, .reported_mts = 2933}, + [DDR4_3200] = {.min_clock_mhz = 1467, .max_clock_mhz = 1600, .reported_mts = 3200} }; typedef enum { @@ -95,14 +67,15 @@ const spd_block spd_blocks[] = { {.type = BLOCK_0, 0, 128, 126}, {.type = BLOCK_1, 128, 128, 126}, {.type = BLOCK_1_L, 128, 64, 0}, {.type = BLOCK_1_H, 192, 64, 0}, {.type = BLOCK_2_L, 256, 64, 62}, {.type = BLOCK_2_H, 320, 64, 0}, - {.type = BLOCK_3, 384, 128, 0} }; + {.type = BLOCK_3, 384, 128, 0} +}; static bool verify_block(const spd_block *block, spd_raw_data spd) { uint16_t crc, spd_crc; - spd_crc = (spd[block->start + block->crc_start + 1] << 8) - | spd[block->start + block->crc_start]; + spd_crc = (spd[block->start + block->crc_start + 1] << 8) | + spd[block->start + block->crc_start]; crc = ddr_crc16(&spd[block->start], block->len - 2); return spd_crc == crc; |