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authorAarya Chaumal <aarya.chaumal@gmail.com>2022-06-23 16:21:23 +0530
committerThomas Heijligen <src@posteo.de>2022-06-27 08:53:00 +0000
commitd41595e207107f3716535f6fb128a32db6c2fefa (patch)
treeb5c4c9c349c5d972124803bd1c76958098085f3c
parent2343ad9ffe0bc1ce45567ff6abcc40f2e4a5f3a7 (diff)
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spi25.c: Add function to return opcode of passed erase fucntion pointer
There is a function, spi_get_erasefn_from_opcode, which returns the erase function for given opcode. Add a function which does the opposite i.e. returns the opcode for given erase function. Change-Id: Ia3aefc9b9465efdd16b1678bb2ada9a23f00d316 Signed-off-by: Aarya Chaumal <aarya.chaumal@gmail.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/65355 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Thomas Heijligen <src@posteo.de>
-rw-r--r--include/chipdrivers.h1
-rw-r--r--spi25.c12
2 files changed, 13 insertions, 0 deletions
diff --git a/include/chipdrivers.h b/include/chipdrivers.h
index 2ef7f183..61d43c9f 100644
--- a/include/chipdrivers.h
+++ b/include/chipdrivers.h
@@ -53,6 +53,7 @@ int spi_block_erase_d8(struct flashctx *flash, unsigned int addr, unsigned int b
int spi_block_erase_db(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
int spi_block_erase_dc(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
erasefunc_t *spi_get_erasefn_from_opcode(uint8_t opcode);
+uint8_t spi_get_opcode_from_erasefn(erasefunc_t *func);
int spi_chip_write_1(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len);
int spi_nbyte_read(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
int spi_read_chunked(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len, unsigned int chunksize);
diff --git a/spi25.c b/spi25.c
index acd13b33..44541063 100644
--- a/spi25.c
+++ b/spi25.c
@@ -651,6 +651,18 @@ erasefunc_t *spi_get_erasefn_from_opcode(uint8_t opcode)
return NULL;
}
+uint8_t spi_get_opcode_from_erasefn(erasefunc_t *func)
+{
+ size_t i;
+ for (i = 0; i < ARRAY_SIZE(function_opcode_list); i++) {
+ if (function_opcode_list[i].func == func)
+ return function_opcode_list[i].opcode;
+ }
+ msg_cinfo("%s: unknown erase function (0x%p). Please report "
+ "this at flashrom@flashrom.org\n", __func__, func);
+ return 0x00; //Assuming 0x00 is not a erase function opcode
+}
+
static int spi_nbyte_program(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len)
{
const bool native_4ba = flash->chip->feature_bits & FEATURE_4BA_WRITE && spi_master_4ba(flash);