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mirror of https://review.coreboot.org/flashrom.git synced 2025-07-01 22:21:16 +02:00

spi25_statusreg: delete spi_read_status_register()

Delete the spi_read_status_register() function because the generic
spi_read_register() function can be used instead.

This patch also converts all call sites over to spi_read_register().
A side effect is that error codes are now properly propagated and
checked.

BUG=b:195381327,b:153800563
BRANCH=none
TEST=flashrom -{r,w,E}
TEST=Tested with a W25Q128.W flash on a kasumi (AMD) dut.
     Read SR1/SR2 with --wp-status and activated various WP ranges
     that toggled bits in both SR1 and SR2.

Change-Id: I146b4b5439872e66c5d33e156451a729d248c7da
Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/59529
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
This commit is contained in:
Nikolai Artemiev
2021-10-28 16:18:28 +11:00
committed by Edward O'Callaghan
parent e5389d1b8f
commit 005d32b7b7
5 changed files with 141 additions and 46 deletions

View File

@ -123,7 +123,11 @@ int spi_write_register(const struct flashctx *flash, enum flash_reg reg, uint8_t
}
for (; delay_ms > 0; delay_ms -= 10) {
if ((spi_read_status_register(flash) & SPI_SR_WIP) == 0)
uint8_t status;
result = spi_read_register(flash, STATUS1, &status);
if (result)
return result;
if ((status & SPI_SR_WIP) == 0)
return 0;
programmer_delay(10 * 1000);
}
@ -168,14 +172,6 @@ int spi_read_register(const struct flashctx *flash, enum flash_reg reg, uint8_t
return 0;
}
uint8_t spi_read_status_register(const struct flashctx *flash)
{
uint8_t status = 0;
/* FIXME: We should propagate the error. */
spi_read_register(flash, STATUS1, &status);
return status;
}
static int spi_restore_status(struct flashctx *flash, uint8_t status)
{
msg_cdbg("restoring chip status (0x%02x)\n", status);
@ -207,7 +203,10 @@ static int spi_disable_blockprotect_generic(struct flashctx *flash, uint8_t bp_m
uint8_t status;
int result;
status = spi_read_status_register(flash);
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
if ((status & bp_mask) == 0) {
msg_cdbg2("Block protection is disabled.\n");
return 0;
@ -229,7 +228,11 @@ static int spi_disable_blockprotect_generic(struct flashctx *flash, uint8_t bp_m
msg_cerr("Could not write status register 1.\n");
return result;
}
status = spi_read_status_register(flash);
ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
if ((status & lock_mask) != 0) {
msg_cerr("Unsetting lock bit(s) failed.\n");
return 1;
@ -242,7 +245,11 @@ static int spi_disable_blockprotect_generic(struct flashctx *flash, uint8_t bp_m
msg_cerr("Could not write status register 1.\n");
return result;
}
status = spi_read_status_register(flash);
ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
if ((status & bp_mask) != 0) {
msg_cerr("Block protection could not be disabled!\n");
if (flash->chip->printlock)
@ -363,7 +370,10 @@ void spi_prettyprint_status_register_bit(uint8_t status, int bit)
int spi_prettyprint_status_register_plain(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
return 0;
}
@ -371,7 +381,10 @@ int spi_prettyprint_status_register_plain(struct flashctx *flash)
/* Print the plain hex value and the welwip bits only. */
int spi_prettyprint_status_register_default_welwip(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_welwip(status);
@ -384,7 +397,10 @@ int spi_prettyprint_status_register_default_welwip(struct flashctx *flash)
*/
int spi_prettyprint_status_register_bp1_srwd(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -402,7 +418,10 @@ int spi_prettyprint_status_register_bp1_srwd(struct flashctx *flash)
*/
int spi_prettyprint_status_register_bp2_srwd(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -419,7 +438,10 @@ int spi_prettyprint_status_register_bp2_srwd(struct flashctx *flash)
*/
int spi_prettyprint_status_register_bp3_srwd(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -431,7 +453,10 @@ int spi_prettyprint_status_register_bp3_srwd(struct flashctx *flash)
int spi_prettyprint_status_register_bp4_srwd(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -442,7 +467,10 @@ int spi_prettyprint_status_register_bp4_srwd(struct flashctx *flash)
int spi_prettyprint_status_register_bp2_bpl(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_bpl(status);
@ -455,7 +483,10 @@ int spi_prettyprint_status_register_bp2_bpl(struct flashctx *flash)
int spi_prettyprint_status_register_bp2_tb_bpl(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_bpl(status);
@ -477,7 +508,10 @@ int spi_prettyprint_status_register_bp2_tb_bpl(struct flashctx *flash)
int spi_prettyprint_status_register_amic_a25l032(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -533,7 +567,11 @@ static void spi_prettyprint_status_register_atmel_at25_swp(uint8_t status)
int spi_prettyprint_status_register_at25df(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_srpl(status);
@ -556,8 +594,10 @@ int spi_prettyprint_status_register_at25df_sec(struct flashctx *flash)
int spi_prettyprint_status_register_at25f(struct flashctx *flash)
{
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
status = spi_read_status_register(flash);
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_wpen(status);
@ -572,8 +612,10 @@ int spi_prettyprint_status_register_at25f(struct flashctx *flash)
int spi_prettyprint_status_register_at25f512a(struct flashctx *flash)
{
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
status = spi_read_status_register(flash);
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_wpen(status);
@ -588,7 +630,10 @@ int spi_prettyprint_status_register_at25f512a(struct flashctx *flash)
int spi_prettyprint_status_register_at25f512b(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_srpl(status);
@ -604,7 +649,10 @@ int spi_prettyprint_status_register_at25f4096(struct flashctx *flash)
{
uint8_t status;
status = spi_read_status_register(flash);
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_wpen(status);
@ -617,7 +665,10 @@ int spi_prettyprint_status_register_at25f4096(struct flashctx *flash)
int spi_prettyprint_status_register_at25fs010(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_wpen(status);
@ -637,7 +688,10 @@ int spi_prettyprint_status_register_at25fs010(struct flashctx *flash)
int spi_prettyprint_status_register_at25fs040(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_wpen(status);
@ -649,7 +703,10 @@ int spi_prettyprint_status_register_at25fs040(struct flashctx *flash)
int spi_prettyprint_status_register_at26df081a(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_atmel_at25_srpl(status);
@ -707,7 +764,10 @@ int spi_disable_blockprotect_at25fs040(struct flashctx *flash)
int spi_prettyprint_status_register_en25s_wp(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -726,7 +786,10 @@ int spi_disable_blockprotect_n25q(struct flashctx *flash)
int spi_prettyprint_status_register_n25q(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -751,7 +814,10 @@ int spi_disable_blockprotect_bp2_ep_srwd(struct flashctx *flash)
/* Used by Intel/Numonyx S33 and Spansion S25FL-S chips */
int spi_prettyprint_status_register_bp2_ep_srwd(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_hex(status);
spi_prettyprint_status_register_srwd(status);
@ -779,7 +845,10 @@ static void spi_prettyprint_status_register_sst25_common(uint8_t status)
int spi_prettyprint_status_register_sst25(struct flashctx *flash)
{
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_sst25_common(status);
return 0;
}
@ -795,7 +864,10 @@ int spi_prettyprint_status_register_sst25vf016(struct flashctx *flash)
"100000H-1FFFFFH",
"all", "all"
};
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_sst25_common(status);
msg_cdbg("Resulting block protection : %s\n", bpt[(status & 0x1c) >> 2]);
return 0;
@ -810,7 +882,10 @@ int spi_prettyprint_status_register_sst25vf040b(struct flashctx *flash)
"0x40000-0x7ffff",
"all blocks", "all blocks", "all blocks", "all blocks"
};
uint8_t status = spi_read_status_register(flash);
uint8_t status;
int ret = spi_read_register(flash, STATUS1, &status);
if (ret)
return ret;
spi_prettyprint_status_register_sst25_common(status);
msg_cdbg("Resulting block protection : %s\n", bpt[(status & 0x1c) >> 2]);
return 0;