static void boot_prep_linux(bootm_headers_t *images)
{
char *commandline = getenv("bootargs");
char env_buf[12];
char *cp;
#ifdef DEBUG
printf("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#endif
#ifndef CONFIG_OCTEON
linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);
#else
linux_params_init (gd->bd->bi_boot_params, commandline);
#endif
#ifdef CONFIG_MEMSIZE_IN_BYTES
sprintf(env_buf, "%lu", (ulong)gd->ram_size);
debug("## Giving linux memsize in bytes, %lu\n", (ulong)gd->ram_size);
#else
sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20));
debug("## Giving linux memsize in MB, %lu\n",
(ulong)(gd->ram_size >> 20));
#endif /* CONFIG_MEMSIZE_IN_BYTES */
linux_env_set("memsize", env_buf);
#ifndef CONFIG_OCTEON
sprintf(env_buf, "0x%08X", (uint) UNCACHED_SDRAM(images->rd_start));
#else
sprintf (env_buf, "0x%08X", (uint)images->rd_start);
#endif
linux_env_set("initrd_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
linux_env_set("initrd_size", env_buf);
sprintf(env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
linux_env_set("flash_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
linux_env_set("flash_size", env_buf);
cp = getenv("ethaddr");
if (cp)
linux_env_set("ethaddr", cp);
cp = getenv("eth1addr");
if (cp)
linux_env_set("eth1addr", cp);
}
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
char *bootargs = getenv("bootargs");
char *start;
uint len;
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
debug("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256;
debug("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params);
/* set Magic */
*(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678;
/* set ram_size */
*(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size;
start = (char *)gd->bd->bi_boot_params;
len = strlen(bootargs);
strncpy(start, bootargs, len + 1);
start += len;
len = images->rd_end - images->rd_start;
if (len > 0) {
start += sprintf(start, " rd_start=0x%08X rd_size=0x%0X",
(uint) UNCACHED_SDRAM(images->rd_start),
(uint) len);
}
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(0, NULL, NULL, 0);
/* does not return */
return 1;
}
static int ag7240_alloc_fifo(int ndesc, ag7240_desc_t ** fifo) {
int i;
u32 size;
uchar *p = NULL;
size = sizeof(ag7240_desc_t) * ndesc;
size += CFG_CACHELINE_SIZE - 1;
if ((p = malloc(size)) == NULL) {
printf("Cant allocate fifos\n");
return -1;
}
p = (uchar *) (((u32) p + CFG_CACHELINE_SIZE - 1) & ~(CFG_CACHELINE_SIZE - 1));
p = UNCACHED_SDRAM(p);
for (i = 0; i < ndesc; i++)
fifo[i] = (ag7240_desc_t *) p + i;
return 0;
}
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel) (int, char **, char **, int *);
char *commandline = getenv("bootargs");
char env_buf[12];
char *cp;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* find kernel entry point */
theKernel = (void (*)(int, char **, char **, int *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
#ifdef DEBUG
printf("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#endif
linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);
#ifdef CONFIG_MEMSIZE_IN_BYTES
sprintf(env_buf, "%lu", (ulong)gd->ram_size);
debug("## Giving linux memsize in bytes, %lu\n", (ulong)gd->ram_size);
#else
sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20));
debug("## Giving linux memsize in MB, %lu\n",
(ulong)(gd->ram_size >> 20));
#endif /* CONFIG_MEMSIZE_IN_BYTES */
linux_env_set("memsize", env_buf);
sprintf(env_buf, "0x%08X", (uint) UNCACHED_SDRAM(images->rd_start));
linux_env_set("initrd_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (images->rd_end - images->rd_start));
linux_env_set("initrd_size", env_buf);
sprintf(env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
linux_env_set("flash_start", env_buf);
sprintf(env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
linux_env_set("flash_size", env_buf);
cp = getenv("ethaddr");
if (cp)
linux_env_set("ethaddr", cp);
cp = getenv("eth1addr");
if (cp)
linux_env_set("eth1addr", cp);
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
theKernel(linux_argc, linux_argv, linux_env, 0);
/* does not return */
return 1;
}
