mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/7] at91: add test commamd to emulate bootrom boot
Date: Sat, 29 Dec 2012 11:08:11 +0100	[thread overview]
Message-ID: <1356775697-1849-1-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <20121229100404.GA22953@game.jcrosoft.org>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 arch/arm/mach-at91/Kconfig         |    5 ++
 arch/arm/mach-at91/Makefile        |    1 +
 arch/arm/mach-at91/boot_test_cmd.c |   97 ++++++++++++++++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 arch/arm/mach-at91/boot_test_cmd.c

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index fcba7fb..264b975 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -483,4 +483,9 @@ config CMD_AT91MUX
 	bool "at91mux dump command"
 	default y
 
+config CONFIG_CMD_AT91_BOOT_TEST
+	bool "at91_boot_test"
+	help
+	  allow to upload a boot binary to sram and execute it
+
 endif
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 53b4dd8..4404d23 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,4 +1,5 @@
 obj-y += setup.o clock.o gpio.o
+obj-$(CONFIG_CMD_AT91_BOOT_TEST) += boot_test_cmd.o
 
 lowlevel_init-y = at91sam926x_lowlevel_init.o
 lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
diff --git a/arch/arm/mach-at91/boot_test_cmd.c b/arch/arm/mach-at91/boot_test_cmd.c
new file mode 100644
index 0000000..274d59e
--- /dev/null
+++ b/arch/arm/mach-at91/boot_test_cmd.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPLv2 only
+ */
+
+#include <common.h>
+#include <command.h>
+#include <libbb.h>
+#include <getopt.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <malloc.h>
+#include <errno.h>
+
+static int do_at91_boot_test(int argc, char *argv[])
+{
+	int opt;
+	u32 *buf32;
+	void *buf;
+	u32 jump = 0;
+	int fd;
+	int ret = 1;
+	char *sram = "/dev/sram0";
+	u32 read_size, write_size;
+	u32 tmp = 0;
+
+	while ((opt = getopt(argc, argv, "j:s:")) > 0) {
+		switch (opt) {
+		case 'j':
+			jump = simple_strtoul(optarg, NULL, 0);
+			break;
+		case 's':
+			sram = optarg;
+			break;
+		}
+	}
+
+	if (argc < optind + 1)
+		return COMMAND_ERROR_USAGE;
+
+	buf32 = buf = read_file(argv[optind], &read_size);
+	if (!buf)
+		return -EINVAL;
+
+	write_size = buf32[5];
+
+	printf("size of the size %d\n", read_size);
+	printf("size to load in sram %d\n", write_size);
+
+	if (write_size > read_size) {
+		printf("file smaller than requested sram loading size (%d < %d)\n", write_size, read_size);
+		goto err;
+	}
+
+	fd = open(sram, O_WRONLY);
+	if (fd < 0) {
+		printf("could not open %s: %s\n", sram, errno_str());
+		ret = fd;
+		goto err;
+	}
+
+	while(write_size) {
+		tmp = write(fd, buf, write_size);
+		if (tmp < 0) {
+			perror("write");
+			goto err_open;
+		}
+		buf += tmp;
+		write_size -= tmp;
+	}
+
+	shutdown_barebox();
+
+	__asm__ __volatile__(
+		"mov pc, %0\n"
+		:
+		: "r"(jump)
+		:);
+
+err_open:
+	close(fd);
+err:
+	free(buf);
+	return ret;
+}
+
+BAREBOX_CMD_HELP_START(at91_boot_test)
+BAREBOX_CMD_HELP_USAGE("at91_boot_test [-j <jump addr>] [-s <sram>] file\n")
+BAREBOX_CMD_HELP_SHORT("upload the binary to sram and jump as will do the romcode\n")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(at91_boot_test)
+	.cmd		= do_at91_boot_test,
+	.usage		= "upload the binary to sram and jump as will do the romcode",
+	BAREBOX_CMD_HELP(cmd_at91_boot_test_help)
+BAREBOX_CMD_END
-- 
1.7.10.4


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  reply	other threads:[~2012-12-29 10:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-29 10:04 [PATCH 0/7] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-12-29 10:08   ` [PATCH 2/7] at91sam926x: lowlevel add external boot support Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08   ` [PATCH 3/7] at91: sam926x: switch lowlevel param to c code Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 10:18     ` Sascha Hauer
2012-12-29 10:08   ` [PATCH 4/7] at91: usb-a9263 add lowlevel init Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08   ` [PATCH 5/7] introduce common bootstrap code Jean-Christophe PLAGNIOL-VILLARD
2012-12-29 10:08   ` [PATCH 6/7] at91: add bootstrap version Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 11:41     ` Jan Lübbe
2013-01-04 13:12       ` Sascha Hauer
2012-12-29 10:08   ` [PATCH 7/7] at91: usb_a9263: " Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 10:10   ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Sascha Hauer
2013-01-19  7:33 [PATCH 0/7 v2] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2013-01-19  7:35 ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:21 [PATCH 0/7 v3] at91: add bootstrap support Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:26 ` [PATCH 1/7] at91: add test commamd to emulate bootrom boot Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 11:42   ` Sascha Hauer
2013-01-19 13:32     ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-19 13:42       ` Sascha Hauer
2013-01-19 16:32         ` Jean-Christophe PLAGNIOL-VILLARD
2013-01-20  9:41           ` Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1356775697-1849-1-git-send-email-plagnioj@jcrosoft.com \
    --to=plagnioj@jcrosoft.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox