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[U-Boot,5/5] sf: Add sr-protect sub-command

Message ID 20161010185801.27991-6-george.mccollister@gmail.com
State Deferred
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

George McCollister Oct. 10, 2016, 6:58 p.m. UTC 
Add an sf sub-command named sr-protect which allows the status register
protection method to be changed.

Valid settings are software, hardware, power and otp.

Signed-off-by: George McCollister <george.mccollister@gmail.com>
---
 cmd/sf.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

Comments

Bin Meng Oct. 11, 2016, 2:05 a.m. UTC | #1 
On Tue, Oct 11, 2016 at 2:58 AM, George McCollister
<george.mccollister@gmail.com> wrote:
> Add an sf sub-command named sr-protect which allows the status register
> protection method to be changed.
>
> Valid settings are software, hardware, power and otp.
>
> Signed-off-by: George McCollister <george.mccollister@gmail.com>
> ---
>  cmd/sf.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff mbox

Patch

diff --git a/cmd/sf.c b/cmd/sf.c
index 65b117f..1a42bf6 100644
--- a/cmd/sf.c
+++ b/cmd/sf.c
@@ -380,6 +380,30 @@  static int do_spi_protect(int argc, char * const argv[])
 	return ret == 0 ? 0 : 1;
 }
 
+static int do_spi_sr_protect(int argc, char * const argv[])
+{
+	int ret;
+	enum srp_method method;
+
+	if (argc != 2)
+		return -1;
+
+	if (strcmp(argv[1], "software") == 0)
+		method = SRP_SOFTWARE;
+	else if (strcmp(argv[1], "hardware") == 0)
+		method = SRP_HARDWARE;
+	else if (strcmp(argv[1], "power") == 0)
+		method = SRP_POWER;
+	else if (strcmp(argv[1], "otp") == 0)
+		method = SRP_OTP;
+	else
+		return -1;  /* Unknown parameter */
+
+	ret = spi_flash_sr_protect(flash, method);
+
+	return ret == 0 ? 0 : 1;
+}
+
 #ifdef CONFIG_CMD_SF_TEST
 enum {
 	STAGE_ERASE,
@@ -574,6 +598,8 @@  static int do_spi_flash(cmd_tbl_t *cmdtp, int flag, int argc,
 		ret = do_spi_flash_erase(argc, argv);
 	else if (strcmp(cmd, "protect") == 0)
 		ret = do_spi_protect(argc, argv);
+	else if (strcmp(cmd, "sr-protect") == 0)
+		ret = do_spi_sr_protect(argc, argv);
 #ifdef CONFIG_CMD_SF_TEST
 	else if (!strcmp(cmd, "test"))
 		ret = do_spi_flash_test(argc, argv);
@@ -615,5 +641,7 @@  U_BOOT_CMD(
 	"					  or to start of mtd `partition'\n"
 	"sf protect lock/unlock sector len	- protect/unprotect 'len' bytes starting\n"
 	"					  at address 'sector'\n"
+	"sf sr-protect method			- set status register protect method to\n"
+	"					  software, hardware, power or otp\n"
 	SF_TEST_HELP
 );