Blackfin: TWI/I2C: implement bus speed get/set functions

[u-boot] / common / cmd_bootm.c

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 6b53807fbde6e949faddcb63264be1e26885dea7..8f8359856162e47b450c0d41cd779c97981c3778 100644 (file)
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -166,6 +166,13 @@ void __arch_lmb_reserve(struct lmb *lmb)
 }
 void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
 
+/* Allow for arch specific config before we boot */
+void __arch_preboot_os(void)
+{
+       /* please define platform specific arch_preboot_os() */
+}
+void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
+
 #if defined(__ARM__)
   #define IH_INITRD_ARCH IH_ARCH_ARM
 #elif defined(__avr32__)
@@ -417,6 +424,24 @@ static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
        return 0;
 }
 
+static int bootm_start_standalone(ulong iflag, int argc, char *argv[])
+{
+       char  *s;
+       int   (*appl)(int, char *[]);
+
+       /* Don't start if "autostart" is set to "no" */
+       if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
+               char buf[32];
+               sprintf(buf, "%lX", images.os.image_len);
+               setenv("filesize", buf);
+               return 0;
+       }
+       appl = (int (*)(int, char *[]))ntohl(images.ep);
+       (*appl)(argc-1, &argv[1]);
+
+       return 0;
+}
+
 /* we overload the cmd field with our state machine info instead of a
  * function pointer */
 cmd_tbl_t cmd_bootm_sub[] = {
@@ -525,6 +550,7 @@ int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                        break;
                case BOOTM_STATE_OS_GO:
                        disable_interrupts();
+                       arch_preboot_os();
                        boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
                        break;
        }
@@ -535,7 +561,6 @@ int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 /*******************************************************************/
 /* bootm - boot application image from image in memory */
 /*******************************************************************/
-static int relocated = 0;
 
 int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
@@ -543,6 +568,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        ulong           load_end = 0;
        int             ret;
        boot_os_fn      *boot_fn;
+#ifndef CONFIG_RELOC_FIXUP_WORKS
+       static int relocated = 0;
 
        /* relocate boot function table */
        if (!relocated) {
@@ -552,6 +579,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                                boot_os[i] += gd->reloc_off;
                relocated = 1;
        }
+#endif
 
        /* determine if we have a sub command */
        if (argc > 1) {
@@ -629,6 +657,14 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
        lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
 
+       if (images.os.type == IH_TYPE_STANDALONE) {
+               if (iflag)
+                       enable_interrupts();
+               /* This may return when 'autostart' is 'no' */
+               bootm_start_standalone(iflag, argc, argv);
+               return 0;
+       }
+
        show_boot_progress (8);
 
 #ifdef CONFIG_SILENT_CONSOLE
@@ -647,6 +683,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
                return 1;
        }
 
+       arch_preboot_os();
+
        boot_fn(0, argc, argv, &images);
 
        show_boot_progress (-9);
@@ -828,6 +866,13 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
                case IH_TYPE_MULTI:
                        image_multi_getimg (hdr, 0, os_data, os_len);
                        break;
+               case IH_TYPE_STANDALONE:
+                       if (argc >2) {
+                               hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
+                       }
+                       *os_data = image_get_data (hdr);
+                       *os_len = image_get_data_size (hdr);
+                       break;
                default:
                        printf ("Wrong Image Type for %s command\n", cmdtp->name);
                        show_boot_progress (-5);