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realtek_mst_i2c_spi.c: Update PAGE_SIZE and fix write

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Update the PAGE_SIZE to 128 as fix r/w on different devices,
also fix the write page mapping for it.

BUG=b:147402710
TEST=build and run flashrom to read&write on multiple devices

Signed-off-by: Shiyu Sun <sshiyu@chromium.org>
Change-Id: Ifcdd3548519eb37440e67fcf6206279cff05b159
Reviewed-on: https://review.coreboot.org/c/flashrom/+/48840
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Shiyu Sun 2020-12-21 17:20:56 +11:00 committed by Edward O'Callaghan
parent 5ab46567df
commit ef42b5edb3
1 changed files with 3 additions and 2 deletions
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5
realtek_mst_i2c_spi.c
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@ -28,7 +28,7 @@
#define MCU_I2C_SLAVE_ADDR 0x94
#define REGISTER_ADDRESS (0x94 >> 1)
#define PAGE_SIZE 256
#define PAGE_SIZE 128
#define MAX_SPI_WAIT_RETRIES 1000
#define MCU_MODE 0x6F
@ -386,7 +386,8 @@ static int realtek_mst_i2c_spi_write_256(struct flashctx *flash, const uint8_t *
ret |= realtek_mst_i2c_spi_write_register(fd, 0x71, page_len-1);
uint8_t block_idx = (start + i) >> 16;
uint8_t page_idx = (start + i) >> 8;
ret |= realtek_mst_i2c_spi_map_page(fd, block_idx, page_idx, 0);
uint8_t byte_idx = start + i;
ret |= realtek_mst_i2c_spi_map_page(fd, block_idx, page_idx, byte_idx);
if (ret)
break;