diff options
Diffstat (limited to 'tools/pblimage.c')
| -rw-r--r-- | tools/pblimage.c | 110 |
1 files changed, 75 insertions, 35 deletions
diff --git a/tools/pblimage.c b/tools/pblimage.c index 6e6e801..2a799ab 100644 --- a/tools/pblimage.c +++ b/tools/pblimage.c @@ -1,5 +1,5 @@ /* - * Copyright 2012 Freescale Semiconductor, Inc. + * Copyright 2012-2014 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -8,6 +8,10 @@ #include "pblimage.h" #include "pbl_crc32.h" +#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) +#define PBL_ACS_CONT_CMD 0x81000000 +#define PBL_ADDR_24BIT_MASK 0x00ffffff + /* * Initialize to an invalid value. */ @@ -22,6 +26,13 @@ static int pbl_size; static char *fname = "Unknown"; static int lineno = -1; static struct pbl_header pblimage_header; +static int uboot_size; +static int arch_flag; + +static uint32_t pbl_cmd_initaddr; +static uint32_t pbi_crc_cmd1; +static uint32_t pbi_crc_cmd2; +static uint32_t pbl_end_cmd[4]; static union { @@ -38,20 +49,6 @@ static union * start offset by subtracting the size of the u-boot image from the * top of the allowable 24-bit range. */ -static void init_next_pbl_cmd(FILE *fp_uboot) -{ - struct stat st; - int fd = fileno(fp_uboot); - - if (fstat(fd, &st) == -1) { - printf("Error: Could not determine u-boot image size. %s\n", - strerror(errno)); - exit(EXIT_FAILURE); - } - - next_pbl_cmd = 0x82000000 - st.st_size; -} - static void generate_pbl_cmd(void) { uint32_t val = next_pbl_cmd; @@ -66,11 +63,15 @@ static void generate_pbl_cmd(void) static void pbl_fget(size_t size, FILE *stream) { - unsigned char c; + unsigned char c = 0xff; int c_temp; - while (size && (c_temp = fgetc(stream)) != EOF) { - c = (unsigned char)c_temp; + while (size) { + c_temp = fgetc(stream); + if (c_temp != EOF) + c = (unsigned char)c_temp; + else if ((c_temp == EOF) && (arch_flag == IH_ARCH_ARM)) + c = 0xff; *pmem_buf++ = c; pbl_size++; size--; @@ -80,8 +81,8 @@ static void pbl_fget(size_t size, FILE *stream) /* load split u-boot with PBI command 81xxxxxx. */ static void load_uboot(FILE *fp_uboot) { - init_next_pbl_cmd(fp_uboot); - while (next_pbl_cmd < 0x82000000) { + next_pbl_cmd = pbl_cmd_initaddr - uboot_size; + while (next_pbl_cmd < pbl_cmd_initaddr) { generate_pbl_cmd(); pbl_fget(64, fp_uboot); } @@ -154,8 +155,6 @@ static uint32_t reverse_byte(uint32_t val) /* write end command and crc command to memory. */ static void add_end_cmd(void) { - uint32_t pbl_end_cmd[4] = {0x09138000, 0x00000000, - 0x091380c0, 0x00000000}; uint32_t crc32_pbl; int i; unsigned char *p = (unsigned char *)&pbl_end_cmd; @@ -172,8 +171,8 @@ static void add_end_cmd(void) /* Add PBI CRC command. */ *pmem_buf++ = 0x08; - *pmem_buf++ = 0x13; - *pmem_buf++ = 0x80; + *pmem_buf++ = pbi_crc_cmd1; + *pmem_buf++ = pbi_crc_cmd2; *pmem_buf++ = 0x40; pbl_size += 4; @@ -184,17 +183,6 @@ static void add_end_cmd(void) *pmem_buf++ = (crc32_pbl >> 8) & 0xff; *pmem_buf++ = (crc32_pbl) & 0xff; pbl_size += 4; - - if ((pbl_size % 16) != 0) { - for (i = 0; i < 8; i++) { - *pmem_buf++ = 0x0; - pbl_size++; - } - } - if ((pbl_size % 16 != 0)) { - printf("Error: Bad size of image file\n"); - exit(EXIT_FAILURE); - } } void pbl_load_uboot(int ifd, struct image_tool_params *params) @@ -268,12 +256,64 @@ static void pblimage_set_header(void *ptr, struct stat *sbuf, int ifd, /*nothing need to do, pbl_load_uboot takes care of whole file. */ } +int pblimage_check_params(struct image_tool_params *params) +{ + FILE *fp_uboot; + int fd; + struct stat st; + + if (!params) + return EXIT_FAILURE; + + fp_uboot = fopen(params->datafile, "r"); + if (fp_uboot == NULL) { + printf("Error: %s open failed\n", params->datafile); + exit(EXIT_FAILURE); + } + fd = fileno(fp_uboot); + + if (fstat(fd, &st) == -1) { + printf("Error: Could not determine u-boot image size. %s\n", + strerror(errno)); + exit(EXIT_FAILURE); + } + + /* For the variable size, we need to pad it to 64 byte boundary */ + uboot_size = roundup(st.st_size, 64); + + if (params->arch == IH_ARCH_ARM) { + arch_flag = IH_ARCH_ARM; + pbi_crc_cmd1 = 0x61; + pbi_crc_cmd2 = 0; + pbl_cmd_initaddr = params->addr & PBL_ADDR_24BIT_MASK; + pbl_cmd_initaddr |= PBL_ACS_CONT_CMD; + pbl_cmd_initaddr |= uboot_size; + pbl_end_cmd[0] = 0x09610000; + pbl_end_cmd[1] = 0x00000000; + pbl_end_cmd[2] = 0x096100c0; + pbl_end_cmd[3] = 0x00000000; + } else if (params->arch == IH_ARCH_PPC) { + arch_flag = IH_ARCH_PPC; + pbi_crc_cmd1 = 0x13; + pbi_crc_cmd2 = 0x80; + pbl_cmd_initaddr = 0x82000000; + pbl_end_cmd[0] = 0x09138000; + pbl_end_cmd[1] = 0x00000000; + pbl_end_cmd[2] = 0x091380c0; + pbl_end_cmd[3] = 0x00000000; + } + + next_pbl_cmd = pbl_cmd_initaddr; + return 0; +}; + /* pblimage parameters */ static struct image_type_params pblimage_params = { .name = "Freescale PBL Boot Image support", .header_size = sizeof(struct pbl_header), .hdr = (void *)&pblimage_header, .check_image_type = pblimage_check_image_types, + .check_params = pblimage_check_params, .verify_header = pblimage_verify_header, .print_header = pblimage_print_header, .set_header = pblimage_set_header, |