dummyflasher: Add emulation for S25FL128L
Used to test WRSR_EXT2/3 support.
Signed-off-by: Nico Huber <nico.h@gmx.de>
Change-Id: Ic3cbea87218c973331b9b83e809e7d438407bc13
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/64748
Original-Reviewed-by: Thomas Heijligen <src@posteo.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71464
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/dummyflasher.c b/dummyflasher.c
index 27b212e..c352601 100644
--- a/dummyflasher.c
+++ b/dummyflasher.c
@@ -35,6 +35,7 @@
EMULATE_SST_SST25VF032B,
EMULATE_MACRONIX_MX25L6436,
EMULATE_WINBOND_W25Q128FV,
+ EMULATE_SPANSION_S25FL128L,
};
struct emu_data {
@@ -362,6 +363,21 @@
data->emu_jedec_ce_c7_size = data->emu_chip_size;
msg_pdbg("Emulating Winbond W25Q128FV SPI flash chip (RDID)\n");
}
+ if (!strcmp(tmp, "S25FL128L")) {
+ data->emu_chip = EMULATE_SPANSION_S25FL128L;
+ data->emu_wrsr_ext2 = true;
+ data->emu_wrsr_ext3 = true;
+ data->emu_chip_size = 16 * 1024 * 1024;
+ data->emu_max_byteprogram_size = 256;
+ data->emu_max_aai_size = 0;
+ data->emu_status_len = 3;
+ data->emu_jedec_se_size = 4 * 1024;
+ data->emu_jedec_be_52_size = 32 * 1024;
+ data->emu_jedec_be_d8_size = 64 * 1024;
+ data->emu_jedec_ce_60_size = data->emu_chip_size;
+ data->emu_jedec_ce_c7_size = data->emu_chip_size;
+ msg_pdbg("Emulating Spansion S25FL128L SPI flash chip (RES, RDID, WP)\n");
+ }
if (data->emu_chip == EMULATE_NONE) {
msg_perr("Invalid chip specified for emulation: %s\n", tmp);
free(tmp);
@@ -580,12 +596,36 @@
}
}
+ if (data->emu_chip == EMULATE_SPANSION_S25FL128L) {
+ const bool srp0 = (data->emu_status[0] >> 7);
+ const bool srp1 = (data->emu_status[1] & 1);
+
+ const bool wp_active = (srp1 || (srp0 && data->hwwp));
+
+ if (wp_active) {
+ ro_bits = 0xff;
+ } else if (reg == STATUS2) {
+ /* SUS (bit_7) */
+ ro_bits = 0x80;
+ /* Once any of the lock bits (LB[0..3]) are set, they
+ can't be unset. */
+ ro_bits |= data->emu_status[1] & (1 << 2);
+ ro_bits |= data->emu_status[1] & (1 << 3);
+ ro_bits |= data->emu_status[1] & (1 << 4);
+ ro_bits |= data->emu_status[1] & (1 << 5);
+ } else if (reg == STATUS3) {
+ /* Two reserved bits. */
+ ro_bits = 0x11;
+ }
+ }
+
return ro_bits;
}
static void update_write_protection(struct emu_data *data)
{
- if (data->emu_chip != EMULATE_WINBOND_W25Q128FV)
+ if (data->emu_chip != EMULATE_WINBOND_W25Q128FV &&
+ data->emu_chip != EMULATE_SPANSION_S25FL128L)
return;
const struct wp_bits bits = {
@@ -731,6 +771,12 @@
if (readcnt > 0)
memset(readarr, 0x17, readcnt);
break;
+ case EMULATE_SPANSION_S25FL128L:
+ if (readcnt > 0)
+ readarr[0] = 0x60;
+ if (readcnt > 1)
+ readarr[1] = 0x18;
+ break;
default: /* ignore */
break;
}
@@ -788,6 +834,14 @@
if (readcnt > 2)
readarr[2] = 0x18;
break;
+ case EMULATE_SPANSION_S25FL128L:
+ if (readcnt > 0)
+ readarr[0] = 0x01;
+ if (readcnt > 1)
+ readarr[1] = 0x60;
+ if (readcnt > 2)
+ readarr[2] = 0x18;
+ break;
default: /* ignore */
break;
}
@@ -1108,6 +1162,7 @@
case EMULATE_SST_SST25VF032B:
case EMULATE_MACRONIX_MX25L6436:
case EMULATE_WINBOND_W25Q128FV:
+ case EMULATE_SPANSION_S25FL128L:
if (emulate_spi_chip_response(writecnt, readcnt, writearr,
readarr, emu_data)) {
msg_pdbg("Invalid command sent to flash chip!\n");
diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl
index 2ab5c75..62c6ce7 100644
--- a/flashrom.8.tmpl
+++ b/flashrom.8.tmpl
@@ -640,6 +640,8 @@
.sp
.RB "* Macronix " MX25L6436 " SPI flash chip (8192 kB, RDID, SFDP)"
.sp
+.RB "* Spansion " S25FL128L " SPI flash chip (16384 kB, RDID)"
+.sp
Example:
.B "flashrom -p dummy:emulate=SST25VF040.REMS"
.TP
@@ -722,7 +724,7 @@
.TP
.B Write protection
.sp
-Chips with emulated WP: W25Q128FV.
+Chips with emulated WP: W25Q128FV, S25FL128L.
.sp
You can simulate state of hardware protection pin (WP) with the
.sp