--- /dev/null
+//==========================================================================
+//
+// redboot_cmds.c
+//
+// Board [platform] specific RedBoot commands
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+#include <redboot.h>
+#include <cyg/hal/hal_intr.h>
+#include <cyg/hal/hal_cache.h>
+#include <cyg/hal/plf_mmap.h>
+#include <cyg/hal/fsl_board.h> // Platform specific hardware definitions
+
+#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
+#include <flash_config.h>
+
+#if (REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE)
+#error REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE
+#endif
+
+RedBoot_config_option("Board specifics",
+ brd_specs,
+ ALWAYS_ENABLED,
+ true,
+ CONFIG_INT,
+ 0
+ );
+#endif //CYGSEM_REDBOOT_FLASH_CONFIG
+
+char HAL_PLATFORM_EXTRA[60] = "MX31 3-Stack (Freescale i.MX31 based) PASS 1.0 [x32 DDR]";
+
+static void runImg(int argc, char *argv[]);
+
+RedBoot_cmd("run",
+ "Run an image at a location with MMU off",
+ "[<virtual addr>]",
+ runImg
+ );
+
+void launchRunImg(unsigned long addr)
+{
+ asm volatile ("mov r12, r0;");
+ HAL_CLEAN_INVALIDATE_L2();
+ HAL_DISABLE_L2();
+ HAL_MMU_OFF();
+ asm volatile (
+ "mov r0, #0;"
+ "mov r1, r12;"
+ "mov r11, #0;"
+ "mov r12, #0;"
+ "mrs r10, cpsr;"
+ "bic r10, r10, #0xF0000000;"
+ "msr cpsr_f, r10;"
+ "mov pc, r1"
+ );
+}
+
+extern unsigned long entry_address;
+
+static void runImg(int argc,char *argv[])
+{
+ unsigned int virt_addr, phys_addr;
+
+ // Default physical entry point for Symbian
+ if (entry_address == 0xFFFFFFFF)
+ virt_addr = 0x800000;
+ else
+ virt_addr = entry_address;
+
+ if (!scan_opts(argc,argv,1,0,0,(void*)&virt_addr,
+ OPTION_ARG_TYPE_NUM, "virtual address"))
+ return;
+
+ if (entry_address != 0xFFFFFFFF)
+ diag_printf("load entry_address=0x%lx\n", entry_address);
+ HAL_VIRT_TO_PHYS_ADDRESS(virt_addr, phys_addr);
+
+ diag_printf("virt_addr=0x%x\n",virt_addr);
+ diag_printf("phys_addr=0x%x\n",phys_addr);
+
+ launchRunImg(phys_addr);
+}
+
+#if defined(CYGSEM_REDBOOT_FLASH_CONFIG) && defined(CYG_HAL_STARTUP_ROMRAM)
+
+RedBoot_cmd("romupdate",
+ "Update Redboot with currently running image",
+ "",
+ romupdate
+ );
+
+extern int flash_program(void *_addr, void *_data, int len, void **err_addr);
+extern int flash_erase(void *addr, int len, void **err_addr);
+extern char *flash_errmsg(int err);
+extern unsigned char *ram_end; //ram end is where the redboot starts FIXME: use PC value
+
+#ifdef CYGPKG_IO_FLASH
+void romupdate(int argc, char *argv[])
+{
+ void *err_addr, *base_addr;
+ int stat;
+
+ if (IS_FIS_FROM_MMC()) {
+ diag_printf("Updating ROM in MMC/SD flash\n");
+ base_addr = (void*)MXC_MMC_BASE_DUMMY;
+ /* Read the MBR from the card to RAM */
+ mmc_data_read((cyg_uint32*)(ram_end + 0x4), 0x3FC, base_addr);
+ diag_printf("Programming Redboot to MMC/SD flash\n");
+ mmc_data_write((cyg_uint32*)ram_end, CYGBLD_REDBOOT_MIN_IMAGE_SIZE, (cyg_uint32)base_addr);
+ return;
+ } else if (IS_FIS_FROM_NAND()) {
+ base_addr = (void*)0;
+ diag_printf("Updating ROM in NAND flash\n");
+ } else {
+ diag_printf("romupdate not supported\n");
+ diag_printf("Use \"factive [NAND|MMC]\" to select either MMC or NAND flash\n");
+ return;
+ }
+
+ // Erase area to be programmed
+ if ((stat = flash_erase((void *)base_addr,
+ CYGBLD_REDBOOT_MIN_IMAGE_SIZE,
+ (void **)&err_addr)) != 0) {
+ diag_printf("Can't erase region at %p: %s\n",
+ err_addr, flash_errmsg(stat));
+ return;
+ }
+ // Now program it
+ if ((stat = flash_program((void *)base_addr, (void *)ram_end,
+ CYGBLD_REDBOOT_MIN_IMAGE_SIZE,
+ (void **)&err_addr)) != 0) {
+ diag_printf("Can't program region at %p: %s\n",
+ err_addr, flash_errmsg(stat));
+ }
+}
+RedBoot_cmd("factive",
+ "Enable one flash media for Redboot",
+ "[NOR | NAND | MMC]",
+ factive
+ );
+
+void factive(int argc, char *argv[])
+{
+ unsigned long phys_addr;
+
+ if (argc != 2) {
+ diag_printf("Invalid factive cmd\n");
+ return;
+ }
+
+ if (strcasecmp(argv[1], "NOR") == 0) {
+#ifndef MXCFLASH_SELECT_NOR
+ diag_printf("Not supported\n");
+ return;
+#else
+ MXC_ASSERT_NOR_BOOT();
+#endif
+ } else if (strcasecmp(argv[1], "NAND") == 0) {
+#ifndef MXCFLASH_SELECT_NAND
+ diag_printf("Not supported\n");
+ return;
+#else
+ MXC_ASSERT_NAND_BOOT();
+#endif
+ } else if (strcasecmp(argv[1], "MMC") == 0) {
+#ifndef MXCFLASH_SELECT_MMC
+ diag_printf("Not supported\n");
+ return;
+#else
+ MXC_ASSERT_MMC_BOOT();
+#endif
+ } else {
+ diag_printf("Invalid command: %s\n", argv[1]);
+ return;
+ }
+ HAL_VIRT_TO_PHYS_ADDRESS(ram_end, phys_addr);
+
+ launchRunImg(phys_addr);
+}
+#endif //CYGPKG_IO_FLASH
+#endif /* CYG_HAL_STARTUP_ROMRAM */
projects / karo-tx-redboot.git / blobdiff