]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - common/spl/spl.c
armv8: release slave cores from CPU_RELEASE_ADDR
[people/ms/u-boot.git] / common / spl / spl.c
index e5167bf73e4c3181ef7c74b7736431e0df121668..8fb8da452578624132682c902ea12acd90d863f3 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);
-               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);
+               spl_image->os = image_get_os(header);
+               spl_image->name = image_get_name(header);
+               debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
+                       (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%lx 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)
@@ -125,30 +164,19 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
        typedef void __noreturn (*image_entry_noargs_t)(void);
 
        image_entry_noargs_t image_entry =
-               (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
-
-       debug("image entry point: 0x%X\n", spl_image->entry_point);
-       image_entry();
-}
-
-#ifdef CONFIG_SPL_RAM_DEVICE
-static int spl_ram_load_image(void)
-{
-       const struct image_header *header;
+               (image_entry_noargs_t)spl_image->entry_point;
 
+       debug("image entry point: 0x%lX\n", spl_image->entry_point);
+#if defined(CONFIG_ARMV8_SPIN_TABLE) && defined(CONFIG_ARMV8_MULTIENTRY)
        /*
-        * 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.
+        * Release all slave cores from CPU_RELEASE_ADDR so they could
+        * arrive to the spin-table code in start.S of the u-boot
         */
-       header = (struct image_header *)
-               (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
-
-       spl_parse_image_header(header);
+       *(ulong *)CPU_RELEASE_ADDR = (ulong)spl_image->entry_point;
+#endif
 
-       return 0;
+       image_entry();
 }
-#endif
 
 int spl_init(void)
 {
@@ -156,10 +184,13 @@ 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 +198,8 @@ int spl_init(void)
                }
        }
        if (IS_ENABLED(CONFIG_SPL_DM)) {
-               ret = dm_init_and_scan(true);
+               /* With CONFIG_SPL_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;
@@ -182,167 +214,79 @@ int spl_init(void)
 #define BOOT_DEVICE_NONE 0xdeadbeef
 #endif
 
-static u32 spl_boot_list[] = {
-       BOOT_DEVICE_NONE,
-       BOOT_DEVICE_NONE,
-       BOOT_DEVICE_NONE,
-       BOOT_DEVICE_NONE,
-       BOOT_DEVICE_NONE,
-};
-
 __weak void board_boot_order(u32 *spl_boot_list)
 {
        spl_boot_list[0] = spl_boot_device();
 }
 
-#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-__weak void spl_board_announce_boot_device(void) { }
-#endif
-
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-struct boot_device_name {
-       u32 boot_dev;
-       const char *name;
-};
+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;
+       }
 
-struct boot_device_name boot_name_table[] = {
-#ifdef CONFIG_SPL_RAM_DEVICE
-       { BOOT_DEVICE_RAM, "RAM" },
-#endif
-#ifdef CONFIG_SPL_MMC_SUPPORT
-       { BOOT_DEVICE_MMC1, "MMC" },
-       { BOOT_DEVICE_MMC2, "MMC" },
-       { BOOT_DEVICE_MMC2_2, "MMC" },
-#endif
-#ifdef CONFIG_SPL_NAND_SUPPORT
-       { BOOT_DEVICE_NAND, "NAND" },
-#endif
-#ifdef CONFIG_SPL_ONENAND_SUPPORT
-       { BOOT_DEVICE_ONENAND, "OneNAND" },
-#endif
-#ifdef CONFIG_SPL_NOR_SUPPORT
-       { BOOT_DEVICE_NOR, "NOR" },
-#endif
-#ifdef CONFIG_SPL_YMODEM_SUPPORT
-       { BOOT_DEVICE_UART, "UART" },
-#endif
-#ifdef CONFIG_SPL_SPI_SUPPORT
-       { BOOT_DEVICE_SPI, "SPI" },
-#endif
-#ifdef CONFIG_SPL_ETH_SUPPORT
-#ifdef CONFIG_SPL_ETH_DEVICE
-       { BOOT_DEVICE_CPGMAC, "eth device" },
-#else
-       { BOOT_DEVICE_CPGMAC, "net" },
-#endif
-#endif
-#ifdef CONFIG_SPL_USBETH_SUPPORT
-       { BOOT_DEVICE_USBETH, "USB eth" },
-#endif
-#ifdef CONFIG_SPL_USB_SUPPORT
-       { BOOT_DEVICE_USB, "USB" },
-#endif
-#ifdef CONFIG_SPL_SATA_SUPPORT
-       { BOOT_DEVICE_SATA, "SATA" },
-#endif
-       /* Keep this entry last */
-       { BOOT_DEVICE_NONE, "unknown boot device" },
-};
+       /* Not found */
+       return NULL;
+}
 
-static void announce_boot_device(u32 boot_device)
+static int spl_load_image(struct spl_image_info *spl_image,
+                         struct spl_image_loader *loader)
 {
-       int i;
-
-       puts("Trying to boot from ");
+       struct spl_boot_device bootdev;
 
-#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-       if (boot_device == BOOT_DEVICE_BOARD) {
-               spl_board_announce_boot_device();
-               puts("\n");
-               return;
-       }
-#endif
-       for (i = 0; i < ARRAY_SIZE(boot_name_table) - 1; i++) {
-               if (boot_name_table[i].boot_dev == boot_device)
-                       break;
-       }
+       bootdev.boot_device = loader->boot_device;
+       bootdev.boot_device_name = NULL;
 
-       printf("%s\n", boot_name_table[i].name);
+       return loader->load_image(spl_image, &bootdev);
 }
-#else
-static inline void announce_boot_device(u32 boot_device) { }
-#endif
 
-static int spl_load_image(u32 boot_device)
+/**
+ * boot_from_devices() - Try loading an booting U-Boot from a list of devices
+ *
+ * @spl_image: Place to put the image details if successful
+ * @spl_boot_list: List of boot devices to try
+ * @count: Number of elements in spl_boot_list
+ * @return 0 if OK, -ve on error
+ */
+static int boot_from_devices(struct spl_image_info *spl_image,
+                            u32 spl_boot_list[], int count)
 {
-       switch (boot_device) {
-#ifdef CONFIG_SPL_RAM_DEVICE
-       case BOOT_DEVICE_RAM:
-               return spl_ram_load_image();
-#endif
-#ifdef CONFIG_SPL_MMC_SUPPORT
-       case BOOT_DEVICE_MMC1:
-       case BOOT_DEVICE_MMC2:
-       case BOOT_DEVICE_MMC2_2:
-               return spl_mmc_load_image(boot_device);
-#endif
-#ifdef CONFIG_SPL_NAND_SUPPORT
-       case BOOT_DEVICE_NAND:
-               return spl_nand_load_image();
-#endif
-#ifdef CONFIG_SPL_ONENAND_SUPPORT
-       case BOOT_DEVICE_ONENAND:
-               return spl_onenand_load_image();
-#endif
-#ifdef CONFIG_SPL_NOR_SUPPORT
-       case BOOT_DEVICE_NOR:
-               return spl_nor_load_image();
-#endif
-#ifdef CONFIG_SPL_YMODEM_SUPPORT
-       case BOOT_DEVICE_UART:
-               return spl_ymodem_load_image();
-#endif
-#ifdef CONFIG_SPL_SPI_SUPPORT
-       case BOOT_DEVICE_SPI:
-               return spl_spi_load_image();
-#endif
-#ifdef CONFIG_SPL_ETH_SUPPORT
-       case BOOT_DEVICE_CPGMAC:
-#ifdef CONFIG_SPL_ETH_DEVICE
-               return spl_net_load_image(CONFIG_SPL_ETH_DEVICE);
-#else
-               return spl_net_load_image(NULL);
-#endif
-#endif
-#ifdef CONFIG_SPL_USBETH_SUPPORT
-       case BOOT_DEVICE_USBETH:
-               return spl_net_load_image("usb_ether");
-#endif
-#ifdef CONFIG_SPL_USB_SUPPORT
-       case BOOT_DEVICE_USB:
-               return spl_usb_load_image();
-#endif
-#ifdef CONFIG_SPL_SATA_SUPPORT
-       case BOOT_DEVICE_SATA:
-               return spl_sata_load_image();
-#endif
-#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-       case BOOT_DEVICE_BOARD:
-               return spl_board_load_image();
-#endif
-       default:
+       int i;
+
+       for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
+               struct spl_image_loader *loader;
+
+               loader = spl_ll_find_loader(spl_boot_list[i]);
 #if defined(CONFIG_SPL_SERIAL_SUPPORT) && defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
-               puts("SPL: Unsupported Boot Device!\n");
+               if (loader)
+                       printf("Trying to boot from %s", loader->name);
+               else
+                       puts("SPL: Unsupported Boot Device!\n");
 #endif
-               return -ENODEV;
+               if (loader && !spl_load_image(spl_image, loader))
+                       return 0;
        }
 
-       return -EINVAL;
+       return -ENODEV;
 }
 
 void board_init_r(gd_t *dummy1, ulong dummy2)
 {
-       int i;
+       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;
 
        debug(">>spl:board_init_r()\n");
 
@@ -367,16 +311,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
        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_boot_list[i]))
-                       break;
-       }
 
-       if (i == ARRAY_SIZE(spl_boot_list) ||
-           spl_boot_list[i] == BOOT_DEVICE_NONE) {
+       if (boot_from_devices(&spl_image, spl_boot_list,
+                             ARRAY_SIZE(spl_boot_list))) {
                puts("SPL: failed to boot from all boot devices\n");
                hang();
        }
@@ -389,7 +328,8 @@ 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");
@@ -400,6 +340,7 @@ 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);
 }
 
@@ -449,9 +390,6 @@ ulong spl_relocate_stack_gd(void)
 
 #ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
        if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
-               if (!(gd->flags & GD_FLG_SPL_INIT))
-                       panic_str("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;
@@ -462,6 +400,9 @@ ulong spl_relocate_stack_gd(void)
        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 CONFIG_IS_ENABLED(DM)
+       dm_fixup_for_gd_move(new_gd);
+#endif
 #if !defined(CONFIG_ARM)
        gd = new_gd;
 #endif