[flashrom-gerrit] Change in ...flashrom[master]: dummyflasher: Add emulation for Winbond W25Q128FV

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/31011

Change subject: dummyflasher: Add emulation for Winbond W25Q128FV
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dummyflasher: Add emulation for Winbond W25Q128FV

Just needed a 16MiB chip.

Change-Id: Ic01d45c1f709808404ad53bb31f8b998c6977a9d
Signed-off-by: Nico Huber 
---
M dummyflasher.c
1 file changed, 31 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/11/31011/1

diff --git a/dummyflasher.c b/dummyflasher.c
index 2929686..22b28c4 100644
--- a/dummyflasher.c
+++ b/dummyflasher.c
@@ -43,6 +43,7 @@
    EMULATE_SST_SST25VF040_REMS,
    EMULATE_SST_SST25VF032B,
    EMULATE_MACRONIX_MX25L6436,
+	EMULATE_WINBOND_W25Q128FV,
 };
 static enum emu_chip emu_chip = EMULATE_NONE;
 static char *emu_persistent_image = NULL;
@@ -331,6 +332,18 @@
    	msg_pdbg("Emulating Macronix MX25L6436 SPI flash chip (RDID, "
    		 "SFDP)\n");
    }
+	if (!strcmp(tmp, "W25Q128FV")) {
+		emu_chip = EMULATE_WINBOND_W25Q128FV;
+		emu_chip_size = 16 * 1024 * 1024;
+		emu_max_byteprogram_size = 256;
+		emu_max_aai_size = 0;
+		emu_jedec_se_size = 4 * 1024;
+		emu_jedec_be_52_size = 32 * 1024;
+		emu_jedec_be_d8_size = 64 * 1024;
+		emu_jedec_ce_60_size = emu_chip_size;
+		emu_jedec_ce_c7_size = emu_chip_size;
+		msg_pdbg("Emulating Winbond W25Q128FV SPI flash chip (RDID)\n");
+	}
 #endif
    if (emu_chip == EMULATE_NONE) {
    	msg_perr("Invalid chip specified for emulation: %s\n", tmp);
@@ -474,6 +487,7 @@
    const unsigned char sst25vf040_rems_response[2] = {0xbf, 0x44};
    const unsigned char sst25vf032b_rems_response[2] = {0xbf, 0x4a};
    const unsigned char mx25l6436_rems_response[2] = {0xc2, 0x16};
+	const unsigned char w25q128fv_rems_response[2] = {0xef, 0x17};

if (writecnt == 0) {
    	msg_perr("No command sent to the chip!\n");
@@ -532,6 +546,10 @@
    		if (readcnt > 0)
    			memset(readarr, 0x16, readcnt);
    		break;
+		case EMULATE_WINBOND_W25Q128FV:
+			if (readcnt > 0)
+				memset(readarr, 0x17, readcnt);
+			break;
    	default: /* ignore */
    		break;
    	}
@@ -555,6 +573,10 @@
    		for (i = 0; i < readcnt; i++)
    			readarr[i] = mx25l6436_rems_response[(offs + i) % 2];
    		break;
+		case EMULATE_WINBOND_W25Q128FV:
+			for (i = 0; i < readcnt; i++)
+				readarr[i] = w25q128fv_rems_response[(offs + i) % 2];
+			break;
    	default: /* ignore */
    		break;
    	}
@@ -577,6 +599,14 @@
    		if (readcnt > 2)
    			readarr[2] = 0x17;
    		break;
+		case EMULATE_WINBOND_W25Q128FV:
+			if (readcnt > 0)
+				readarr[0] = 0xef;
+			if (readcnt > 1)
+				readarr[1] = 0x40;
+			if (readcnt > 2)
+				readarr[2] = 0x18;
+			break;
    	default: /* ignore */
    		break;
    	}
@@ -806,6 +836,7 @@
    case EMULATE_SST_SST25VF040_REMS:
    case EMULATE_SST_SST25VF032B:
    case EMULATE_MACRONIX_MX25L6436:
+	case EMULATE_WINBOND_W25Q128FV:
    	if (emulate_spi_chip_response(writecnt, readcnt, writearr,
    				      readarr)) {
    		msg_pdbg("Invalid command sent to flash chip!\n");