diff options
Diffstat (limited to 'src/mainboard/google/samus/spd/spd.c')
| -rw-r--r-- | src/mainboard/google/samus/spd/spd.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/mainboard/google/samus/spd/spd.c b/src/mainboard/google/samus/spd/spd.c index 0409302fb0..00e694e9d2 100644 --- a/src/mainboard/google/samus/spd/spd.c +++ b/src/mainboard/google/samus/spd/spd.c @@ -24,6 +24,8 @@ #include <broadwell/gpio.h> #include <broadwell/pei_data.h> #include <broadwell/romstage.h> +#include <ec/google/chromeec/ec.h> +#include <mainboard/google/samus/ec.h> #include <mainboard/google/samus/gpio.h> #include <mainboard/google/samus/spd/spd.h> @@ -80,25 +82,33 @@ static void mainboard_print_spd_info(uint8_t spd[]) /* Copy SPD data for on-board memory */ void mainboard_fill_spd_data(struct pei_data *pei_data) { + int spd_bits[4] = { + SPD_GPIO_BIT0, + SPD_GPIO_BIT1, + SPD_GPIO_BIT2, + SPD_GPIO_BIT3 + }; int spd_gpio[4]; int spd_index; int spd_file_len; struct cbfs_file *spd_file; - spd_gpio[0] = get_gpio(SPD_GPIO_BIT0); - spd_gpio[1] = get_gpio(SPD_GPIO_BIT1); - spd_gpio[2] = get_gpio(SPD_GPIO_BIT2); - spd_gpio[3] = get_gpio(SPD_GPIO_BIT3); + /* Proto2B boards use a different GPIO for SPD index bit 3 */ + if (google_chromeec_get_board_version() <= SAMUS_EC_BOARD_PROTO2_A) + spd_bits[3] = SPD_GPIO_BIT3_OLD; + + spd_gpio[0] = get_gpio(spd_bits[0]); + spd_gpio[1] = get_gpio(spd_bits[1]); + spd_gpio[2] = get_gpio(spd_bits[2]); + spd_gpio[3] = get_gpio(spd_bits[3]); spd_index = (spd_gpio[3] << 3) | (spd_gpio[2] << 2) | (spd_gpio[1] << 1) | spd_gpio[0]; printk(BIOS_DEBUG, "SPD: index %d (GPIO%d=%d GPIO%d=%d " "GPIO%d=%d GPIO%d=%d)\n", spd_index, - SPD_GPIO_BIT3, spd_gpio[3], - SPD_GPIO_BIT2, spd_gpio[2], - SPD_GPIO_BIT1, spd_gpio[1], - SPD_GPIO_BIT0, spd_gpio[0]); + spd_bits[3], spd_gpio[3], spd_bits[2], spd_gpio[2], + spd_bits[1], spd_gpio[1], spd_bits[0], spd_gpio[0]); spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin"); if (!spd_file) @@ -120,5 +130,9 @@ void mainboard_fill_spd_data(struct pei_data *pei_data) memcpy(pei_data->spd_data[1][0], ((char*)CBFS_SUBHEADER(spd_file)) + spd_index, SPD_LEN); + /* Make sure a valid SPD was found */ + if (pei_data->spd_data[0][0][0] == 0) + die("Invalid SPD data."); + mainboard_print_spd_info(pei_data->spd_data[0][0]); } |