From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 6.mo1.mail-out.ovh.net ([46.105.43.205] helo=mo1.mail-out.ovh.net) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TwWay-0006B1-84 for barebox@lists.infradead.org; Sat, 19 Jan 2013 11:28:22 +0000 Received: from mail405.ha.ovh.net (b7.ovh.net [213.186.33.57]) by mo1.mail-out.ovh.net (Postfix) with SMTP id 303FDFF9196 for ; Sat, 19 Jan 2013 12:42:28 +0100 (CET) From: Jean-Christophe PLAGNIOL-VILLARD Date: Sat, 19 Jan 2013 12:26:48 +0100 Message-Id: <1358594814-8297-1-git-send-email-plagnioj@jcrosoft.com> In-Reply-To: <20130119112125.GH22953@game.jcrosoft.org> References: <20130119112125.GH22953@game.jcrosoft.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/7] at91: add test commamd to emulate bootrom boot To: barebox@lists.infradead.org Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- arch/arm/mach-at91/Kconfig | 6 +++ arch/arm/mach-at91/Makefile | 1 + arch/arm/mach-at91/boot_test_cmd.c | 99 ++++++++++++++++++++++++++++++++++++ 3 files changed, 106 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..e703b3d 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -483,4 +483,10 @@ 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 + usefull to test bootstrap or barebox lowlevel init + 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..02e16fd --- /dev/null +++ b/arch/arm/mach-at91/boot_test_cmd.c @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2012 Jean-Christophe PLAGNIOL-VILLARD + * + * Under GPLv2 only + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +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; + default: + return COMMAND_ERROR_USAGE; + } + } + + 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 ] [-s ] 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