/*
- * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012-2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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.
*/
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
{
* 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;
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--;
/* 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);
}
/* 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;
/* 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;
*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)
/*nothing need to do, pbl_load_uboot takes care of whole file. */
}
-/* 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,
- .verify_header = pblimage_verify_header,
- .print_header = pblimage_print_header,
- .set_header = pblimage_set_header,
+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;
};
-void init_pbl_image_type(void)
-{
- pbl_size = 0;
- register_image_type(&pblimage_params);
-}
+/* pblimage parameters */
+U_BOOT_IMAGE_TYPE(
+ pblimage,
+ "Freescale PBL Boot Image support",
+ sizeof(struct pbl_header),
+ (void *)&pblimage_header,
+ pblimage_check_params,
+ pblimage_verify_header,
+ pblimage_print_header,
+ pblimage_set_header,
+ NULL,
+ pblimage_check_image_types,
+ NULL,
+ NULL
+);
projects / karo-tx-uboot.git / blobdiff