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From a059c0737d9f75ce4e62acf3644708e32dc34fc2 Mon Sep 17 00:00:00 2001
From: smavila <smavila@wallaby.amd.com>
Date: Mon, 3 Dec 2018 06:21:04 +0000
Subject: [PATCH] Modified the spi driver test application to support SPI ROM
Flash in Wallaby platform
Signed-off-by: smavila <smavila@wallaby.amd.com>
Signed-off-by: Arsalan H. Awan <Arsalan_Awan@mentor.com>
---
spirom-test.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
mode change 100644 => 100755 spirom-test.c
diff --git a/spirom-test.c b/spirom-test.c
old mode 100644
new mode 100755
index 22c9003..2f10309
--- a/spirom-test.c
+++ b/spirom-test.c
@@ -243,8 +243,23 @@ void parse_cmd(const char *cmdline)
return;
}
+ /* read device ID Command with response */
+ tr.buf[0] = ROM_RDID;
+ tr.direction = RECEIVE;
+ tr.addr_present = 0;
+ tr.len = 3;
+
+ ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);
+ if (ret < 1) {
+ printf("\nError executing RDID command\n\n");
+ return;
+ }
+
+ if( (tr.buf[1] == 0x20) && (tr.buf[2] == 0xbb) && (tr.buf[3] == 0x18))
+ tr.buf[0] = 0xC7; /* N25Q128A SPI ROM needs 0xC7 as erase command */
+ else
+ tr.buf[0] = ROM_CHIP_ERASE;
/* Command without data */
- tr.buf[0] = ROM_CHIP_ERASE;
tr.direction = 0;
tr.len = 0;
tr.addr_present = 0;
--
2.17.1
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