Edward O'Callaghan submitted this change.

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Approvals: build bot (Jenkins): Verified Angel Pons: Looks good to me, but someone else must approve Edward O'Callaghan: Looks good to me, approved
realtek_mst_i2c_spi.c: Update PAGE_SIZE and fix write

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>
---
M realtek_mst_i2c_spi.c
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/realtek_mst_i2c_spi.c b/realtek_mst_i2c_spi.c
index 80caf86..dabec70 100644
--- a/realtek_mst_i2c_spi.c
+++ b/realtek_mst_i2c_spi.c
@@ -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 @@
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;


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Gerrit-Project: flashrom
Gerrit-Branch: master
Gerrit-Change-Id: Ifcdd3548519eb37440e67fcf6206279cff05b159
Gerrit-Change-Number: 48840
Gerrit-PatchSet: 3
Gerrit-Owner: Shiyu Sun <sshiyu@google.com>
Gerrit-Reviewer: Angel Pons <th3fanbus@gmail.com>
Gerrit-Reviewer: Edward O'Callaghan <quasisec@chromium.org>
Gerrit-Reviewer: build bot (Jenkins) <no-reply@coreboot.org>
Gerrit-MessageType: merged