#include <command.h>
#include <image.h>
#include <malloc.h>
-#include <zlib.h>
+#include <u-boot/zlib.h>
#include <bzlib.h>
#include <environment.h>
#include <asm/byteorder.h>
#endif
-#ifdef CFG_INIT_RAM_LOCK
+#ifdef CONFIG_SYS_INIT_RAM_LOCK
#include <asm/cache.h>
#endif
static ulong get_sp (void);
static void set_clocks_in_mhz (bd_t *kbd);
-#ifndef CFG_LINUX_LOWMEM_MAX_SIZE
-#define CFG_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
+#ifndef CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE
+#define CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
#endif
-void __attribute__((noinline))
-do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- bootm_headers_t *images)
+static void boot_jump_linux(bootm_headers_t *images)
{
- ulong sp;
-
- ulong initrd_start, initrd_end;
- ulong rd_len;
- ulong size;
- phys_size_t bootm_size;
-
- ulong cmd_start, cmd_end, bootmap_base;
- bd_t *kbd;
void (*kernel)(bd_t *, ulong r4, ulong r5, ulong r6,
ulong r7, ulong r8, ulong r9);
- int ret;
- ulong of_size = images->ft_len;
- struct lmb *lmb = &images->lmb;
-
-#if defined(CONFIG_OF_LIBFDT)
- char *of_flat_tree = images->ft_addr;
+#ifdef CONFIG_OF_LIBFDT
+ char *of_flat_tree = images->ft_addr;
#endif
kernel = (void (*)(bd_t *, ulong, ulong, ulong,
ulong, ulong, ulong))images->ep;
+ debug ("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong)kernel);
+
+ show_boot_progress (15);
+
+#if defined(CONFIG_SYS_INIT_RAM_LOCK) && !defined(CONFIG_E500)
+ unlock_ram_in_cache();
+#endif
+
+#if defined(CONFIG_OF_LIBFDT)
+ if (of_flat_tree) { /* device tree; boot new style */
+ /*
+ * Linux Kernel Parameters (passing device tree):
+ * r3: pointer to the fdt
+ * r4: 0
+ * r5: 0
+ * r6: epapr magic
+ * r7: size of IMA in bytes
+ * r8: 0
+ * r9: 0
+ */
+#if defined(CONFIG_85xx) || defined(CONFIG_440)
+ #define EPAPR_MAGIC (0x45504150)
+#else
+ #define EPAPR_MAGIC (0x65504150)
+#endif
+
+ debug (" Booting using OF flat tree...\n");
+ (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
+ CONFIG_SYS_BOOTMAPSZ, 0, 0);
+ /* does not return */
+ } else
+#endif
+ {
+ /*
+ * Linux Kernel Parameters (passing board info data):
+ * r3: ptr to board info data
+ * r4: initrd_start or 0 if no initrd
+ * r5: initrd_end - unused if r4 is 0
+ * r6: Start of command line string
+ * r7: End of command line string
+ * r8: 0
+ * r9: 0
+ */
+ ulong cmd_start = images->cmdline_start;
+ ulong cmd_end = images->cmdline_end;
+ ulong initrd_start = images->initrd_start;
+ ulong initrd_end = images->initrd_end;
+ bd_t *kbd = images->kbd;
+
+ debug (" Booting using board info...\n");
+ (*kernel) (kbd, initrd_start, initrd_end,
+ cmd_start, cmd_end, 0, 0);
+ /* does not return */
+ }
+ return ;
+}
+
+void arch_lmb_reserve(struct lmb *lmb)
+{
+ phys_size_t bootm_size;
+ ulong size, sp, bootmap_base;
bootmap_base = getenv_bootm_low();
bootm_size = getenv_bootm_size();
#ifdef DEBUG
if (((u64)bootmap_base + bootm_size) >
- (CFG_SDRAM_BASE + (u64)gd->ram_size))
+ (CONFIG_SYS_SDRAM_BASE + (u64)gd->ram_size))
puts("WARNING: bootm_low + bootm_size exceed total memory\n");
if ((bootmap_base + bootm_size) > get_effective_memsize())
puts("WARNING: bootm_low + bootm_size exceed eff. memory\n");
#endif
size = min(bootm_size, get_effective_memsize());
- size = min(size, CFG_LINUX_LOWMEM_MAX_SIZE);
+ size = min(size, CONFIG_SYS_LINUX_LOWMEM_MAX_SIZE);
if (size < bootm_size) {
ulong base = bootmap_base + size;
*
* Allocate space for command line and board info - the
* address should be as high as possible within the reach of
- * the kernel (see CFG_BOOTMAPSZ settings), but in unused
+ * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
* memory, which means far enough below the current stack
* pointer.
*/
/* adjust sp by 1K to be safe */
sp -= 1024;
- lmb_reserve(lmb, sp, (CFG_SDRAM_BASE + get_effective_memsize() - sp));
+ lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - sp));
+
+ return ;
+}
+
+static void boot_prep_linux(void)
+{
+#if (CONFIG_NUM_CPUS > 1)
+ /* if we are MP make sure to flush the dcache() to any changes are made
+ * visibile to all other cores */
+ flush_dcache();
+#endif
+ return ;
+}
+
+static int boot_cmdline_linux(bootm_headers_t *images)
+{
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ struct lmb *lmb = &images->lmb;
+ ulong *cmd_start = &images->cmdline_start;
+ ulong *cmd_end = &images->cmdline_end;
+
+ int ret = 0;
if (!of_size) {
/* allocate space and init command line */
- ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
+ ret = boot_get_cmdline (lmb, cmd_start, cmd_end, bootmap_base);
if (ret) {
puts("ERROR with allocation of cmdline\n");
- goto error;
+ return ret;
}
+ }
+
+ return ret;
+}
+
+static int boot_bd_t_linux(bootm_headers_t *images)
+{
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ struct lmb *lmb = &images->lmb;
+ bd_t **kbd = &images->kbd;
+
+ int ret = 0;
+ if (!of_size) {
/* allocate space for kernel copy of board info */
- ret = boot_get_kbd (lmb, &kbd, bootmap_base);
+ ret = boot_get_kbd (lmb, kbd, bootmap_base);
if (ret) {
puts("ERROR with allocation of kernel bd\n");
- goto error;
+ return ret;
}
- set_clocks_in_mhz(kbd);
+ set_clocks_in_mhz(*kbd);
}
+ return ret;
+}
+
+static int boot_body_linux(bootm_headers_t *images)
+{
+ ulong rd_len;
+ struct lmb *lmb = &images->lmb;
+ ulong *initrd_start = &images->initrd_start;
+ ulong *initrd_end = &images->initrd_end;
+#if defined(CONFIG_OF_LIBFDT)
+ ulong bootmap_base = getenv_bootm_low();
+ ulong of_size = images->ft_len;
+ char **of_flat_tree = &images->ft_addr;
+#endif
+
+ int ret;
+
+ /* allocate space and init command line */
+ ret = boot_cmdline_linux(images);
+ if (ret)
+ return ret;
+
+ /* allocate space for kernel copy of board info */
+ ret = boot_bd_t_linux(images);
+ if (ret)
+ return ret;
+
rd_len = images->rd_end - images->rd_start;
+ ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, initrd_start, initrd_end);
+ if (ret)
+ return ret;
#if defined(CONFIG_OF_LIBFDT)
- ret = boot_relocate_fdt(lmb, bootmap_base, &of_flat_tree, &of_size);
+ ret = boot_relocate_fdt(lmb, bootmap_base, of_flat_tree, &of_size);
if (ret)
- goto error;
+ return ret;
/*
* Add the chosen node if it doesn't exist, add the env and bd_t
* if the user wants it (the logic is in the subroutines).
*/
if (of_size) {
- /* pass in dummy initrd info, we'll fix up later */
- if (fdt_chosen(of_flat_tree, images->rd_start, images->rd_end, 0) < 0) {
+ if (fdt_chosen(*of_flat_tree, 1) < 0) {
puts ("ERROR: ");
puts ("/chosen node create failed");
puts (" - must RESET the board to recover.\n");
- goto error;
+ return -1;
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
- ft_board_setup(of_flat_tree, gd->bd);
+ ft_board_setup(*of_flat_tree, gd->bd);
#endif
- }
- /* Fixup the fdt memreserve now that we know how big it is */
- if (of_flat_tree) {
/* Delete the old LMB reservation */
- lmb_free(lmb, (phys_addr_t)(u32)of_flat_tree,
- (phys_size_t)fdt_totalsize(of_flat_tree));
+ lmb_free(lmb, (phys_addr_t)(u32)*of_flat_tree,
+ (phys_size_t)fdt_totalsize(*of_flat_tree));
- ret = fdt_resize(of_flat_tree);
+ ret = fdt_resize(*of_flat_tree);
if (ret < 0)
- goto error;
+ return ret;
of_size = ret;
+ if (*initrd_start && *initrd_end)
+ of_size += FDT_RAMDISK_OVERHEAD;
/* Create a new LMB reservation */
- lmb_reserve(lmb, (ulong)of_flat_tree, of_size);
+ lmb_reserve(lmb, (ulong)*of_flat_tree, of_size);
+
+ /* fixup the initrd now that we know where it should be */
+ if (*initrd_start && *initrd_end)
+ fdt_initrd(*of_flat_tree, *initrd_start, *initrd_end, 1);
}
#endif /* CONFIG_OF_LIBFDT */
+ return 0;
+}
- ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, &initrd_start, &initrd_end);
- if (ret)
- goto error;
-
-#if defined(CONFIG_OF_LIBFDT)
- /* fixup the initrd now that we know where it should be */
- if ((of_flat_tree) && (initrd_start && initrd_end)) {
- uint64_t addr, size;
- int total = fdt_num_mem_rsv(of_flat_tree);
- int j;
-
- /* Look for the dummy entry and delete it */
- for (j = 0; j < total; j++) {
- fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
- if (addr == images->rd_start) {
- fdt_del_mem_rsv(of_flat_tree, j);
- break;
- }
- }
-
- ret = fdt_add_mem_rsv(of_flat_tree, initrd_start,
- initrd_end - initrd_start + 1);
- if (ret < 0) {
- printf("fdt_chosen: %s\n", fdt_strerror(ret));
- goto error;
- }
+__attribute__((noinline))
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ int ret;
- do_fixup_by_path_u32(of_flat_tree, "/chosen",
- "linux,initrd-start", initrd_start, 0);
- do_fixup_by_path_u32(of_flat_tree, "/chosen",
- "linux,initrd-end", initrd_end, 0);
+ if (flag & BOOTM_STATE_OS_CMDLINE) {
+ boot_cmdline_linux(images);
+ return 0;
}
-#endif
- debug ("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong)kernel);
- show_boot_progress (15);
-
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
- unlock_ram_in_cache();
-#endif
+ if (flag & BOOTM_STATE_OS_BD_T) {
+ boot_bd_t_linux(images);
+ return 0;
+ }
-#if defined(CONFIG_OF_LIBFDT)
- if (of_flat_tree) { /* device tree; boot new style */
- /*
- * Linux Kernel Parameters (passing device tree):
- * r3: pointer to the fdt
- * r4: 0
- * r5: 0
- * r6: epapr magic
- * r7: size of IMA in bytes
- * r8: 0
- * r9: 0
- */
-#if defined(CONFIG_85xx) || defined(CONFIG_440)
- #define EPAPR_MAGIC (0x45504150)
-#else
- #define EPAPR_MAGIC (0x65504150)
-#endif
+ if (flag & BOOTM_STATE_OS_PREP) {
+ boot_prep_linux();
+ return 0;
+ }
- debug (" Booting using OF flat tree...\n");
- (*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
- CFG_BOOTMAPSZ, 0, 0);
- /* does not return */
- } else
-#endif
- {
- /*
- * Linux Kernel Parameters (passing board info data):
- * r3: ptr to board info data
- * r4: initrd_start or 0 if no initrd
- * r5: initrd_end - unused if r4 is 0
- * r6: Start of command line string
- * r7: End of command line string
- * r8: 0
- * r9: 0
- */
- debug (" Booting using board info...\n");
- (*kernel) (kbd, initrd_start, initrd_end,
- cmd_start, cmd_end, 0, 0);
- /* does not return */
+ if (flag & BOOTM_STATE_OS_GO) {
+ boot_jump_linux(images);
+ return 0;
}
- return ;
-error:
- do_reset (cmdtp, flag, argc, argv);
- return ;
+ boot_prep_linux();
+ ret = boot_body_linux(images);
+ if (ret)
+ return ret;
+ boot_jump_linux(images);
+
+ return 0;
}
static ulong get_sp (void)
projects / karo-tx-uboot.git / blobdiff