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mb/google/auron: Factor out SPD indexing 

The code to read the SPD file and index it is not variant-specific.

Change-Id: Iaee0a77934a45c65bf32dd0dba23cec654abc0b9
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49773
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
This commit is contained in:
Angel Pons 2021-01-20 22:24:22 +01:00
parent e23b0abe30
commit 292a764141
7 changed files with 37 additions and 117 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
src/mainboard/google/auron/spd.c
View File

@ -19,7 +19,7 @@
#define SPD_PART_OFF 128
#define SPD_PART_LEN 18
void mainboard_print_spd_info(uint8_t spd[])
static void mainboard_print_spd_info(uint8_t spd[])
{
const int spd_banks[8] = { 8, 16, 32, 64, -1, -1, -1, -1 };
const int spd_capmb[8] = { 1, 2, 4, 8, 16, 32, 64, 0 };
@ -68,3 +68,28 @@ void mainboard_print_spd_info(uint8_t spd[])
capmb / 8 * busw / devw * ranks);
}
}
void fill_spd_for_index(uint8_t spd[], unsigned int spd_index)
{
size_t spd_file_len;
uint8_t *spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
memcpy(spd, spd_file + (spd_index * SPD_LEN), SPD_LEN);
/* Make sure a valid SPD was found */
if (spd[0] == 0)
die("Invalid SPD data.");
mainboard_print_spd_info(spd);
}

2
src/mainboard/google/auron/variant.h
View File

@ -13,7 +13,7 @@ void variant_romstage_entry(struct romstage_params *rp);
void lan_init(void);
void mainboard_fill_spd_data(struct pei_data *pei_data);
void mainboard_print_spd_info(uint8_t spd[]);
void fill_spd_for_index(uint8_t spd[], unsigned int index);
#define SPD_LEN 256

25
src/mainboard/google/auron/variants/auron_paine/spd/spd.c
View File

@ -26,8 +26,6 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
};
int spd_gpio[3];
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
@ -41,31 +39,12 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
spd_bits[1], spd_gpio[1],
spd_bits[0], spd_gpio[0]);
spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
memcpy(pei_data->spd_data[0][0],
spd_file + (spd_index * SPD_LEN), SPD_LEN);
/* Index 0-2 are 4GB config with both CH0 and CH1.
* Index 4-6 are 2GB config with CH0 only. */
if (spd_index > 3)
pei_data->dimm_channel1_disabled = 3;
else
memcpy(pei_data->spd_data[1][0],
spd_file + (spd_index * SPD_LEN), 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]);
memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], SPD_LEN);
}

25
src/mainboard/google/auron/variants/auron_yuna/spd/spd.c
View File

@ -26,8 +26,6 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
};
int spd_gpio[3];
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
@ -41,31 +39,12 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
spd_bits[1], spd_gpio[1],
spd_bits[0], spd_gpio[0]);
spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
memcpy(pei_data->spd_data[0][0],
spd_file + (spd_index * SPD_LEN), SPD_LEN);
/* Index 0-2 are 4GB config with both CH0 and CH1.
* Index 4-6 are 2GB config with CH0 only. */
if (spd_index > 3)
pei_data->dimm_channel1_disabled = 3;
else
memcpy(pei_data->spd_data[1][0],
spd_file + (spd_index * SPD_LEN), 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]);
memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], SPD_LEN);
}

25
src/mainboard/google/auron/variants/gandof/spd/spd.c
View File

@ -26,8 +26,6 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
};
int spd_gpio[3];
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
@ -41,31 +39,12 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
spd_bits[1], spd_gpio[1],
spd_bits[0], spd_gpio[0]);
spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
memcpy(pei_data->spd_data[0][0],
spd_file + (spd_index * SPD_LEN), SPD_LEN);
/* Index 0-2 are 4GB config with both CH0 and CH1.
* Index 4-6 are 2GB config with CH0 only. */
if (spd_index > 3)
pei_data->dimm_channel1_disabled = 3;
else
memcpy(pei_data->spd_data[1][0],
spd_file + (spd_index * SPD_LEN), 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]);
memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], SPD_LEN);
}

26
src/mainboard/google/auron/variants/lulu/spd/spd.c
View File

@ -28,8 +28,6 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
};
int spd_gpio[4];
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_gpio[0] = get_gpio(SPD_GPIO_BIT0);
spd_gpio[1] = get_gpio(SPD_GPIO_BIT1);
@ -46,32 +44,12 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
spd_bits[1], spd_gpio[1],
spd_bits[0], spd_gpio[0]);
spd_file = cbfs_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
/* CH0 */
memcpy(pei_data->spd_data[0][0],
spd_file + (spd_index * SPD_LEN), SPD_LEN);
fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
/* CH1 not used in 2GB configurations */
if (!((spd_index == 0b0000) || (spd_index == 0b0011) ||
(spd_index == 0b1010))) {
memcpy(pei_data->spd_data[1][0],
spd_file + (spd_index * SPD_LEN), SPD_LEN);
memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], 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]);
}

24
src/mainboard/google/auron/variants/samus/spd/spd.c
View File

@ -28,8 +28,6 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
};
int spd_gpio[4];
int spd_index;
size_t spd_file_len;
char *spd_file;
spd_gpio[0] = get_gpio(spd_bits[0]);
spd_gpio[1] = get_gpio(spd_bits[1]);
@ -44,26 +42,8 @@ void mainboard_fill_spd_data(struct pei_data *pei_data)
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_map("spd.bin", &spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < ((spd_index + 1) * SPD_LEN)) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < SPD_LEN)
die("Missing SPD data.");
fill_spd_for_index(pei_data->spd_data[0][0], spd_index);
/* Assume same memory in both channels */
spd_index *= SPD_LEN;
memcpy(pei_data->spd_data[0][0], spd_file + spd_index, SPD_LEN);
memcpy(pei_data->spd_data[1][0], 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]);
memcpy(pei_data->spd_data[1][0], pei_data->spd_data[0][0], SPD_LEN);
}