]> git.sur5r.net Git - u-boot/blobdiff - common/spl/spl.c
spl: Make spl_boot_list a local variable
[u-boot] / common / spl / spl.c
index ff1bad23de026e2e1d50ab0a634882a4fe67abf4..bdb165ac2841829e317eb5b733214742cd6eb74c 100644 (file)
@@ -13,7 +13,6 @@
 #include <nand.h>
 #include <fat.h>
 #include <version.h>
-#include <i2c.h>
 #include <image.h>
 #include <malloc.h>
 #include <dm/root.h>
@@ -30,11 +29,15 @@ DECLARE_GLOBAL_DATA_PTR;
 #endif
 
 u32 *boot_params_ptr = NULL;
-struct spl_image_info spl_image;
 
 /* Define board data structure */
 static bd_t bdata __attribute__ ((section(".data")));
 
+/*
+ * Board-specific Platform code can reimplement show_boot_progress () if needed
+ */
+__weak void show_boot_progress(int val) {}
+
 /*
  * Default function to determine if u-boot or the OS should
  * be started. This implementation always returns 1.
@@ -52,6 +55,15 @@ __weak int spl_start_uboot(void)
        puts("SPL: Direct Linux boot not active!\n");
        return 1;
 }
+
+/*
+ * Weak default function for arch specific zImage check. Return zero
+ * and fill start and end address if image is recognized.
+ */
+int __weak bootz_setup(ulong image, ulong *start, ulong *end)
+{
+        return 1;
+}
 #endif
 
 /*
@@ -64,42 +76,48 @@ __weak void spl_board_prepare_for_linux(void)
        /* Nothing to do! */
 }
 
-void spl_set_header_raw_uboot(void)
+__weak void spl_board_prepare_for_boot(void)
 {
-       spl_image.size = CONFIG_SYS_MONITOR_LEN;
-       spl_image.entry_point = CONFIG_SYS_UBOOT_START;
-       spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
-       spl_image.os = IH_OS_U_BOOT;
-       spl_image.name = "U-Boot";
+       /* Nothing to do! */
 }
 
-void spl_parse_image_header(const struct image_header *header)
+void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
+{
+       spl_image->size = CONFIG_SYS_MONITOR_LEN;
+       spl_image->entry_point = CONFIG_SYS_UBOOT_START;
+       spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
+       spl_image->os = IH_OS_U_BOOT;
+       spl_image->name = "U-Boot";
+}
+
+int spl_parse_image_header(struct spl_image_info *spl_image,
+                          const struct image_header *header)
 {
        u32 header_size = sizeof(struct image_header);
 
        if (image_get_magic(header) == IH_MAGIC) {
-               if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) {
+               if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
                        /*
                         * On some system (e.g. powerpc), the load-address and
                         * entry-point is located at address 0. We can't load
                         * to 0-0x40. So skip header in this case.
                         */
-                       spl_image.load_addr = image_get_load(header);
-                       spl_image.entry_point = image_get_ep(header);
-                       spl_image.size = image_get_data_size(header);
+                       spl_image->load_addr = image_get_load(header);
+                       spl_image->entry_point = image_get_ep(header);
+                       spl_image->size = image_get_data_size(header);
                } else {
-                       spl_image.entry_point = image_get_load(header);
+                       spl_image->entry_point = image_get_load(header);
                        /* Load including the header */
-                       spl_image.load_addr = spl_image.entry_point -
+                       spl_image->load_addr = spl_image->entry_point -
                                header_size;
-                       spl_image.size = image_get_data_size(header) +
+                       spl_image->size = image_get_data_size(header) +
                                header_size;
                }
-               spl_image.os = image_get_os(header);
-               spl_image.name = image_get_name(header);
+               spl_image->os = image_get_os(header);
+               spl_image->name = image_get_name(header);
                debug("spl: payload image: %.*s load addr: 0x%x size: %d\n",
-                       (int)sizeof(spl_image.name), spl_image.name,
-                       spl_image.load_addr, spl_image.size);
+                       (int)sizeof(spl_image->name), spl_image->name,
+                       spl_image->load_addr, spl_image->size);
        } else {
 #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
                /*
@@ -111,13 +129,34 @@ void spl_parse_image_header(const struct image_header *header)
                 * is bad, and thus should be skipped silently.
                 */
                panic("** no mkimage signature but raw image not supported");
+#endif
+
+#ifdef CONFIG_SPL_OS_BOOT
+               ulong start, end;
+
+               if (!bootz_setup((ulong)header, &start, &end)) {
+                       spl_image->name = "Linux";
+                       spl_image->os = IH_OS_LINUX;
+                       spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
+                       spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
+                       spl_image->size = end - start;
+                       debug("spl: payload zImage, load addr: 0x%x size: %d\n",
+                             spl_image->load_addr, spl_image->size);
+                       return 0;
+               }
+#endif
+
+#ifdef CONFIG_SPL_ABORT_ON_RAW_IMAGE
+               /* Signature not found, proceed to other boot methods. */
+               return -EINVAL;
 #else
                /* Signature not found - assume u-boot.bin */
                debug("mkimage signature not found - ih_magic = %x\n",
                        header->ih_magic);
-               spl_set_header_raw_uboot();
+               spl_set_header_raw_uboot(spl_image);
 #endif
        }
+       return 0;
 }
 
 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
@@ -131,23 +170,60 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
        image_entry();
 }
 
-#ifdef CONFIG_SPL_RAM_DEVICE
-static int spl_ram_load_image(void)
+#ifndef CONFIG_SPL_LOAD_FIT_ADDRESS
+# define CONFIG_SPL_LOAD_FIT_ADDRESS   0
+#endif
+
+#if defined(CONFIG_SPL_RAM_DEVICE) || defined(CONFIG_SPL_DFU_SUPPORT)
+static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector,
+                              ulong count, void *buf)
 {
-       const struct image_header *header;
+       debug("%s: sector %lx, count %lx, buf %lx\n",
+             __func__, sector, count, (ulong)buf);
+       memcpy(buf, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS + sector), count);
+       return count;
+}
 
-       /*
-        * Get the header.  It will point to an address defined by handoff
-        * which will tell where the image located inside the flash. For
-        * now, it will temporary fixed to address pointed by U-Boot.
-        */
-       header = (struct image_header *)
-               (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
+static int spl_ram_load_image(struct spl_image_info *spl_image,
+                             struct spl_boot_device *bootdev)
+{
+       struct image_header *header;
+
+       header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS;
+
+#if defined(CONFIG_SPL_DFU_SUPPORT)
+       if (bootdev->boot_device == BOOT_DEVICE_DFU)
+               spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0");
+#endif
 
-       spl_parse_image_header(header);
+       if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+           image_get_magic(header) == FDT_MAGIC) {
+               struct spl_load_info load;
+
+               debug("Found FIT\n");
+               load.bl_len = 1;
+               load.read = spl_ram_load_read;
+               spl_load_simple_fit(spl_image, &load, 0, header);
+       } else {
+               debug("Legacy image\n");
+               /*
+                * Get the header.  It will point to an address defined by
+                * handoff which will tell where the image located inside
+                * the flash. For now, it will temporary fixed to address
+                * pointed by U-Boot.
+                */
+               header = (struct image_header *)
+                       (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
+
+               spl_parse_image_header(spl_image, header);
+       }
 
        return 0;
 }
+SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_RAM, spl_ram_load_image);
+#if defined(CONFIG_SPL_DFU_SUPPORT)
+SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_DFU, spl_ram_load_image);
+#endif
 #endif
 
 int spl_init(void)
@@ -156,10 +232,13 @@ int spl_init(void)
 
        debug("spl_init()\n");
 #if defined(CONFIG_SYS_MALLOC_F_LEN)
+#ifdef CONFIG_MALLOC_F_ADDR
+       gd->malloc_base = CONFIG_MALLOC_F_ADDR;
+#endif
        gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
        gd->malloc_ptr = 0;
 #endif
-       if (CONFIG_IS_ENABLED(OF_CONTROL)) {
+       if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
                ret = fdtdec_setup();
                if (ret) {
                        debug("fdtdec_setup() returned error %d\n", ret);
@@ -167,7 +246,8 @@ int spl_init(void)
                }
        }
        if (IS_ENABLED(CONFIG_SPL_DM)) {
-               ret = dm_init_and_scan(true);
+               /* With CONFIG_OF_PLATDATA, bring in all devices */
+               ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
                if (ret) {
                        debug("dm_init_and_scan() returned error %d\n", ret);
                        return ret;
@@ -178,119 +258,176 @@ int spl_init(void)
        return 0;
 }
 
-void board_init_r(gd_t *dummy1, ulong dummy2)
-{
-       u32 boot_device;
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
+#endif
 
-       debug(">>spl:board_init_r()\n");
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+       spl_boot_list[0] = spl_boot_device();
+}
 
-#if defined(CONFIG_SYS_SPL_MALLOC_START)
-       mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
-                       CONFIG_SYS_SPL_MALLOC_SIZE);
-       gd->flags |= GD_FLG_FULL_MALLOC_INIT;
-#endif
-       if (!(gd->flags & GD_FLG_SPL_INIT)) {
-               if (spl_init())
-                       hang();
-       }
-#ifndef CONFIG_PPC
-       /*
-        * timer_init() does not exist on PPC systems. The timer is initialized
-        * and enabled (decrementer) in interrupt_init() here.
-        */
-       timer_init();
+#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
+__weak void spl_board_announce_boot_device(void) { }
 #endif
 
-#ifdef CONFIG_SPL_BOARD_INIT
-       spl_board_init();
-#endif
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+struct boot_device_name {
+       u32 boot_dev;
+       const char *name;
+};
 
-       boot_device = spl_boot_device();
-       debug("boot device - %d\n", boot_device);
-       switch (boot_device) {
+struct boot_device_name boot_name_table[] = {
 #ifdef CONFIG_SPL_RAM_DEVICE
-       case BOOT_DEVICE_RAM:
-               if (spl_ram_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_RAM, "RAM" },
 #endif
 #ifdef CONFIG_SPL_MMC_SUPPORT
-       case BOOT_DEVICE_MMC1:
-       case BOOT_DEVICE_MMC2:
-       case BOOT_DEVICE_MMC2_2:
-               if (spl_mmc_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_MMC1, "MMC1" },
+       { BOOT_DEVICE_MMC2, "MMC2" },
+       { BOOT_DEVICE_MMC2_2, "MMC2_2" },
 #endif
 #ifdef CONFIG_SPL_NAND_SUPPORT
-       case BOOT_DEVICE_NAND:
-               if (spl_nand_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_NAND, "NAND" },
 #endif
 #ifdef CONFIG_SPL_ONENAND_SUPPORT
-       case BOOT_DEVICE_ONENAND:
-               if (spl_onenand_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_ONENAND, "OneNAND" },
 #endif
 #ifdef CONFIG_SPL_NOR_SUPPORT
-       case BOOT_DEVICE_NOR:
-               if (spl_nor_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_NOR, "NOR" },
 #endif
 #ifdef CONFIG_SPL_YMODEM_SUPPORT
-       case BOOT_DEVICE_UART:
-               if (spl_ymodem_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_UART, "UART" },
 #endif
-#ifdef CONFIG_SPL_SPI_SUPPORT
-       case BOOT_DEVICE_SPI:
-               if (spl_spi_load_image())
-                       hang();
-               break;
+#if defined(CONFIG_SPL_SPI_SUPPORT) || defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
+       { BOOT_DEVICE_SPI, "SPI" },
 #endif
 #ifdef CONFIG_SPL_ETH_SUPPORT
-       case BOOT_DEVICE_CPGMAC:
 #ifdef CONFIG_SPL_ETH_DEVICE
-               if (spl_net_load_image(CONFIG_SPL_ETH_DEVICE))
-                       hang();
+       { BOOT_DEVICE_CPGMAC, "eth device" },
 #else
-               if (spl_net_load_image(NULL))
-                       hang();
+       { BOOT_DEVICE_CPGMAC, "net" },
 #endif
-               break;
 #endif
 #ifdef CONFIG_SPL_USBETH_SUPPORT
-       case BOOT_DEVICE_USBETH:
-               if (spl_net_load_image("usb_ether"))
-                       hang();
-               break;
+       { BOOT_DEVICE_USBETH, "USB eth" },
 #endif
 #ifdef CONFIG_SPL_USB_SUPPORT
-       case BOOT_DEVICE_USB:
-               if (spl_usb_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_USB, "USB" },
+#endif
+#ifdef CONFIG_SPL_DFU_SUPPORT
+       { BOOT_DEVICE_DFU, "USB DFU" },
 #endif
 #ifdef CONFIG_SPL_SATA_SUPPORT
-       case BOOT_DEVICE_SATA:
-               if (spl_sata_load_image())
-                       hang();
-               break;
+       { BOOT_DEVICE_SATA, "SATA" },
 #endif
+       /* Keep this entry last */
+       { BOOT_DEVICE_NONE, "unknown boot device" },
+};
+
+static void announce_boot_device(u32 boot_device)
+{
+       int i;
+
+       puts("Trying to boot from ");
+
 #ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-       case BOOT_DEVICE_BOARD:
-               if (spl_board_load_image())
-                       hang();
-               break;
+       if (boot_device == BOOT_DEVICE_BOARD) {
+               spl_board_announce_boot_device();
+               puts("\n");
+               return;
+       }
 #endif
-       default:
+       for (i = 0; i < ARRAY_SIZE(boot_name_table) - 1; i++) {
+               if (boot_name_table[i].boot_dev == boot_device)
+                       break;
+       }
+
+       printf("%s\n", boot_name_table[i].name);
+}
+#else
+static inline void announce_boot_device(u32 boot_device) { }
+#endif
+
+static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
+{
+       struct spl_image_loader *drv =
+               ll_entry_start(struct spl_image_loader, spl_image_loader);
+       const int n_ents =
+               ll_entry_count(struct spl_image_loader, spl_image_loader);
+       struct spl_image_loader *entry;
+
+       for (entry = drv; entry != drv + n_ents; entry++) {
+               if (boot_device == entry->boot_device)
+                       return entry;
+       }
+
+       /* Not found */
+       return NULL;
+}
+
+static int spl_load_image(struct spl_image_info *spl_image, u32 boot_device)
+{
+       struct spl_boot_device bootdev;
+       struct spl_image_loader *loader = spl_ll_find_loader(boot_device);
+
+       bootdev.boot_device = boot_device;
+       bootdev.boot_device_name = NULL;
+       if (loader)
+               return loader->load_image(spl_image, &bootdev);
+
 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
-               puts("SPL: Unsupported Boot Device!\n");
+       puts("SPL: Unsupported Boot Device!\n");
 #endif
+       return -ENODEV;
+}
+
+void board_init_r(gd_t *dummy1, ulong dummy2)
+{
+       u32 spl_boot_list[] = {
+               BOOT_DEVICE_NONE,
+               BOOT_DEVICE_NONE,
+               BOOT_DEVICE_NONE,
+               BOOT_DEVICE_NONE,
+               BOOT_DEVICE_NONE,
+       };
+       struct spl_image_info spl_image;
+       int i;
+
+       debug(">>spl:board_init_r()\n");
+
+#if defined(CONFIG_SYS_SPL_MALLOC_START)
+       mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
+                       CONFIG_SYS_SPL_MALLOC_SIZE);
+       gd->flags |= GD_FLG_FULL_MALLOC_INIT;
+#endif
+       if (!(gd->flags & GD_FLG_SPL_INIT)) {
+               if (spl_init())
+                       hang();
+       }
+#ifndef CONFIG_PPC
+       /*
+        * timer_init() does not exist on PPC systems. The timer is initialized
+        * and enabled (decrementer) in interrupt_init() here.
+        */
+       timer_init();
+#endif
+
+#ifdef CONFIG_SPL_BOARD_INIT
+       spl_board_init();
+#endif
+
+       memset(&spl_image, '\0', sizeof(spl_image));
+       board_boot_order(spl_boot_list);
+       for (i = 0; i < ARRAY_SIZE(spl_boot_list) &&
+                       spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
+               announce_boot_device(spl_boot_list[i]);
+               if (!spl_load_image(&spl_image, spl_boot_list[i]))
+                       break;
+       }
+
+       if (i == ARRAY_SIZE(spl_boot_list) ||
+           spl_boot_list[i] == BOOT_DEVICE_NONE) {
+               puts("SPL: failed to boot from all boot devices\n");
                hang();
        }
 
@@ -302,7 +439,8 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
        case IH_OS_LINUX:
                debug("Jumping to Linux\n");
                spl_board_prepare_for_linux();
-               jump_to_image_linux((void *)CONFIG_SYS_SPL_ARGS_ADDR);
+               jump_to_image_linux(&spl_image,
+                                   (void *)CONFIG_SYS_SPL_ARGS_ADDR);
 #endif
        default:
                debug("Unsupported OS image.. Jumping nevertheless..\n");
@@ -313,6 +451,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 #endif
 
        debug("loaded - jumping to U-Boot...");
+       spl_board_prepare_for_boot();
        jump_to_image_no_args(&spl_image);
 }
 
@@ -344,8 +483,13 @@ void preloader_console_init(void)
  * more stack space for things like the MMC sub-system.
  *
  * This function calculates the stack position, copies the global_data into
- * place and returns the new stack position. The caller is responsible for
- * setting up the sp register.
+ * place, sets the new gd (except for ARM, for which setting GD within a C
+ * function may not always work) and returns the new stack position. The
+ * caller is responsible for setting up the sp register and, in the case
+ * of ARM, setting up gd.
+ *
+ * All of this is done using the same layout and alignments as done in
+ * board_init_f_init_reserve() / board_init_f_alloc_reserve().
  *
  * @return new stack location, or 0 to use the same stack
  */
@@ -353,27 +497,23 @@ ulong spl_relocate_stack_gd(void)
 {
 #ifdef CONFIG_SPL_STACK_R
        gd_t *new_gd;
-       ulong ptr;
-
-       /* Get stack position: use 8-byte alignment for ABI compliance */
-       ptr = CONFIG_SPL_STACK_R_ADDR - sizeof(gd_t);
-       ptr &= ~7;
-       new_gd = (gd_t *)ptr;
-       memcpy(new_gd, (void *)gd, sizeof(gd_t));
-       gd = new_gd;
+       ulong ptr = CONFIG_SPL_STACK_R_ADDR;
 
 #ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
        if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
-               if (!(gd->flags & GD_FLG_SPL_INIT))
-                       panic("spl_init must be called before heap reloc");
-
                ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
                gd->malloc_base = ptr;
                gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
                gd->malloc_ptr = 0;
        }
 #endif
-
+       /* Get stack position: use 8-byte alignment for ABI compliance */
+       ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
+       new_gd = (gd_t *)ptr;
+       memcpy(new_gd, (void *)gd, sizeof(gd_t));
+#if !defined(CONFIG_ARM)
+       gd = new_gd;
+#endif
        return ptr;
 #else
        return 0;