1 //==========================================================================
5 // Board [platform] specific RedBoot commands
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
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30 // License. However the source code for this file must still be made available
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37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
42 #include <cyg/hal/hal_intr.h>
43 #include <cyg/hal/hal_cache.h>
44 #include <cyg/hal/plf_mmap.h>
45 #include <cyg/hal/karo_tx27.h> // Platform specific hardware definitions
47 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
48 #include <flash_config.h>
50 #if (REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE)
51 #error REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE
54 #endif //CYGSEM_REDBOOT_FLASH_CONFIG
56 #ifdef CYGPKG_IO_FLASH
57 #include <cyg/io/flash.h>
60 static void runImg(int argc, char *argv[]);
61 static void do_mem(int argc, char *argv[]);
64 "Set a memory location",
65 "[-h|-b] [-n] [-a <address>] <data>",
70 "Run an image at a location with MMU off",
75 static void do_mem(int argc, char *argv[])
77 struct option_info opts[4];
78 bool mem_half_word, mem_byte;
81 unsigned long address;
84 init_opts(&opts[0], 'b', false, OPTION_ARG_TYPE_FLG,
85 &mem_byte, NULL, "write a byte");
86 init_opts(&opts[1], 'h', false, OPTION_ARG_TYPE_FLG,
87 &mem_half_word, NULL, "write a half-word");
88 init_opts(&opts[2], 'a', true, OPTION_ARG_TYPE_NUM,
89 &address, &addr_set, "address to write to");
90 init_opts(&opts[3], 'n', false, OPTION_ARG_TYPE_FLG,
91 &no_verify, NULL, "noverify");
93 ret = scan_opts(argc, argv, 1, opts, sizeof(opts) / sizeof(opts[0]),
94 &value, OPTION_ARG_TYPE_NUM, "value to be written");
99 diag_printf("** Error: '-a <address>' must be specified\n");
102 if (ret == argc + 1) {
103 diag_printf("** Error: non-option argument '<value>' must be specified\n");
106 if (mem_byte && mem_half_word) {
107 diag_printf("** Error: Should not specify both byte and half-word access\n");
108 } else if (mem_byte) {
110 *(volatile cyg_uint8*)address = (cyg_uint8)value;
112 diag_printf(" Set 0x%08lX to 0x%02X\n", address, value);
114 diag_printf(" Set 0x%08lX to 0x%02X (result 0x%02X)\n",
115 address, value, (int)*(cyg_uint8*)address );
117 } else if (mem_half_word) {
119 diag_printf("** Error: address for half-word access must be half-word aligned\n");
122 *(volatile cyg_uint16*)address = (cyg_uint16)value;
124 diag_printf(" Set 0x%08lX to 0x%04X\n", address, value);
126 diag_printf(" Set 0x%08lX to 0x%04X (result 0x%04X)\n",
127 address, value, (int)*(cyg_uint16*)address);
132 diag_printf("** Error: address for word access must be word aligned\n");
134 *(volatile cyg_uint32*)address = (cyg_uint32)value;
136 diag_printf(" Set 0x%08lX to 0x%08X\n", address, value);
138 diag_printf(" Set 0x%08lX to 0x%08X (result 0x%08X)\n",
139 address, value, (int)*(cyg_uint32*)address);
145 void launchRunImg(unsigned long addr)
147 asm volatile ("mov r1, r0;");
153 "bic r10, r10, #0xF0000000;"
159 static void runImg(int argc,char *argv[])
161 unsigned int virt_addr, phys_addr;
163 // Default physical entry point for Symbian
164 if (entry_address == 0xFFFFFFFF)
165 virt_addr = 0x800000;
167 virt_addr = entry_address;
169 if (!scan_opts(argc, argv, 1, 0, 0, &virt_addr,
170 OPTION_ARG_TYPE_NUM, "virtual address"))
173 if (entry_address != 0xFFFFFFFF)
174 diag_printf("load entry_address=0x%lx\n", entry_address);
175 HAL_VIRT_TO_PHYS_ADDRESS(virt_addr, phys_addr);
177 diag_printf("virt_addr=0x%x\n",virt_addr);
178 diag_printf("phys_addr=0x%x\n",phys_addr);
180 launchRunImg(phys_addr);
183 #if defined(CYGSEM_REDBOOT_FLASH_CONFIG) && defined(CYG_HAL_STARTUP_ROMRAM)
185 RedBoot_cmd("romupdate",
186 "Update Redboot with currently running image",
191 #ifdef CYGPKG_IO_FLASH
192 void romupdate(int argc, char *argv[])
194 void *err_addr, *base_addr;
197 base_addr = (void*)(MXC_NAND_BASE_DUMMY + CYGBLD_REDBOOT_FLASH_BOOT_OFFSET);
198 diag_printf("Updating RedBoot in NAND flash\n");
200 // Erase area to be programmed
201 if ((stat = flash_erase(base_addr, CYGBLD_REDBOOT_MIN_IMAGE_SIZE, &err_addr)) != 0) {
202 diag_printf("Can't erase region at %p: %s\n",
203 err_addr, flash_errmsg(stat));
207 if ((stat = flash_program(base_addr, ram_end,
208 CYGBLD_REDBOOT_MIN_IMAGE_SIZE, &err_addr)) != 0) {
209 diag_printf("Can't program region at %p: %s\n",
210 err_addr, flash_errmsg(stat));
213 #endif //CYGPKG_IO_FLASH
214 #endif /* CYG_HAL_STARTUP_ROMRAM */