]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - common/spl/spl.c
spl: use TPL_SYS_MALLOC_F_LEN for TPL
[people/ms/u-boot.git] / common / spl / spl.c
index eb3b808e468d2a9591800d532b41bfe894669359..bdb681f4f6d95d8818b962a9558c63632e368d7e 100644 (file)
@@ -17,6 +17,7 @@
 #include <malloc.h>
 #include <dm/root.h>
 #include <linux/compiler.h>
+#include <fdt_support.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -29,7 +30,6 @@ 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")));
@@ -57,6 +57,14 @@ __weak int spl_start_uboot(void)
        return 1;
 }
 
+/* weak default platform specific function to initialize
+ * dram banks
+ */
+__weak int dram_init_banksize(void)
+{
+       return 0;
+}
+
 /*
  * Weak default function for arch specific zImage check. Return zero
  * and fill start and end address if image is recognized.
@@ -67,6 +75,33 @@ int __weak bootz_setup(ulong image, ulong *start, ulong *end)
 }
 #endif
 
+void spl_fixup_fdt(void)
+{
+#if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR)
+       void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
+       int err;
+
+       err = fdt_check_header(fdt_blob);
+       if (err < 0) {
+               printf("fdt_root: %s\n", fdt_strerror(err));
+               return;
+       }
+
+       /* fixup the memory dt node */
+       err = fdt_shrink_to_minimum(fdt_blob, 0);
+       if (err == 0) {
+               printf("spl: fdt_shrink_to_minimum err - %d\n", err);
+               return;
+       }
+
+       err = arch_fixup_fdt(fdt_blob);
+       if (err) {
+               printf("spl: arch_fixup_fdt err - %d\n", err);
+               return;
+       }
+#endif
+}
+
 /*
  * Weak default function for board specific cleanup/preparation before
  * Linux boot. Some boards/platforms might not need it, so just provide
@@ -94,9 +129,10 @@ void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
 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) {
+#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
+               u32 header_size = sizeof(struct image_header);
+
                if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
                        /*
                         * On some system (e.g. powerpc), the load-address and
@@ -116,9 +152,14 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
                }
                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",
+               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
+               /* LEGACY image not supported */
+               debug("Legacy boot image support not enabled, proceeding to other boot methods");
+               return -EINVAL;
+#endif
        } else {
 #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
                /*
@@ -141,22 +182,24 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
                        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",
+                       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
+#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
                /* 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_image);
+#else
+               /* RAW image not supported, proceed to other boot methods. */
+               debug("Raw boot image support not enabled, proceeding to other boot methods");
+               return -EINVAL;
 #endif
        }
+
        return 0;
 }
 
@@ -165,70 +208,34 @@ __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;
+               (image_entry_noargs_t)spl_image->entry_point;
 
-       debug("image entry point: 0x%X\n", spl_image->entry_point);
+       debug("image entry point: 0x%lX\n", spl_image->entry_point);
        image_entry();
 }
 
-#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)
-{
-       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;
-}
-
-static int spl_ram_load_image(struct spl_boot_device *bootdev)
-{
-       struct image_header *header;
-
-       header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS;
-
-       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(&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;
-}
-#endif
-
-int spl_init(void)
+static int spl_common_init(bool setup_malloc)
 {
        int ret;
 
-       debug("spl_init()\n");
-#if defined(CONFIG_SYS_MALLOC_F_LEN)
+       debug("spl_early_init()\n");
+
+#if CONFIG_VAL(SYS_MALLOC_F_LEN)
+       if (setup_malloc) {
 #ifdef CONFIG_MALLOC_F_ADDR
-       gd->malloc_base = CONFIG_MALLOC_F_ADDR;
+               gd->malloc_base = CONFIG_MALLOC_F_ADDR;
 #endif
-       gd->malloc_limit = CONFIG_SYS_MALLOC_F_LEN;
-       gd->malloc_ptr = 0;
+               gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
+               gd->malloc_ptr = 0;
+       }
 #endif
+       ret = bootstage_init(true);
+       if (ret) {
+               debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
+                     ret);
+               return ret;
+       }
+       bootstage_mark_name(BOOTSTAGE_ID_START_SPL, "spl");
        if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
                ret = fdtdec_setup();
                if (ret) {
@@ -237,116 +244,56 @@ int spl_init(void)
                }
        }
        if (IS_ENABLED(CONFIG_SPL_DM)) {
-               /* With CONFIG_OF_PLATDATA, bring in all devices */
+               bootstage_start(BOOTSTATE_ID_ACCUM_DM_SPL, "dm_spl");
+               /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
                ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
+               bootstage_accum(BOOTSTATE_ID_ACCUM_DM_SPL);
                if (ret) {
                        debug("dm_init_and_scan() returned error %d\n", ret);
                        return ret;
                }
        }
-       gd->flags |= GD_FLG_SPL_INIT;
 
        return 0;
 }
 
-#ifndef BOOT_DEVICE_NONE
-#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)
+int spl_early_init(void)
 {
-       spl_boot_list[0] = spl_boot_device();
-}
-
-#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-__weak void spl_board_announce_boot_device(void) { }
-#endif
+       int ret;
 
-#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
-struct boot_device_name {
-       u32 boot_dev;
-       const char *name;
-};
+       ret = spl_common_init(true);
+       if (ret)
+               return ret;
+       gd->flags |= GD_FLG_SPL_EARLY_INIT;
 
-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, "MMC1" },
-       { BOOT_DEVICE_MMC2, "MMC2" },
-       { BOOT_DEVICE_MMC2_2, "MMC2_2" },
-#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
-#if defined(CONFIG_SPL_SPI_SUPPORT) || defined(CONFIG_SPL_SPI_FLASH_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_DFU_SUPPORT
-       { BOOT_DEVICE_DFU, "USB DFU" },
-#endif
-#ifdef CONFIG_SPL_SATA_SUPPORT
-       { BOOT_DEVICE_SATA, "SATA" },
-#endif
-       /* Keep this entry last */
-       { BOOT_DEVICE_NONE, "unknown boot device" },
-};
+       return 0;
+}
 
-static void announce_boot_device(u32 boot_device)
+int spl_init(void)
 {
-       int i;
-
-       puts("Trying to boot from ");
+       int ret;
+       bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
+                       IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
 
-#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;
+       if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
+               ret = spl_common_init(setup_malloc);
+               if (ret)
+                       return ret;
        }
+       gd->flags |= GD_FLG_SPL_INIT;
 
-       printf("%s\n", boot_name_table[i].name);
+       return 0;
 }
-#else
-static inline void announce_boot_device(u32 boot_device) { }
+
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
 #endif
 
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+       spl_boot_list[0] = spl_boot_device();
+}
+
 static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
 {
        struct spl_image_loader *drv =
@@ -364,97 +311,63 @@ static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
        return NULL;
 }
 
-static int spl_load_image(u32 boot_device)
+static int spl_load_image(struct spl_image_info *spl_image,
+                         struct spl_image_loader *loader)
 {
        struct spl_boot_device bootdev;
-       struct spl_image_loader *loader = spl_ll_find_loader(boot_device);
 
-       bootdev.boot_device = boot_device;
+       bootdev.boot_device = loader->boot_device;
        bootdev.boot_device_name = NULL;
-       if (loader)
-               return loader->load_image(&bootdev);
 
-       switch (boot_device) {
-#ifdef CONFIG_SPL_RAM_DEVICE
-       case BOOT_DEVICE_RAM:
-               return spl_ram_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_MMC_SUPPORT
-       case BOOT_DEVICE_MMC1:
-       case BOOT_DEVICE_MMC2:
-       case BOOT_DEVICE_MMC2_2:
-               return spl_mmc_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_UBI
-       case BOOT_DEVICE_NAND:
-       case BOOT_DEVICE_ONENAND:
-               return spl_ubi_load_image(&bootdev);
-#else
-#ifdef CONFIG_SPL_NAND_SUPPORT
-       case BOOT_DEVICE_NAND:
-               return spl_nand_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_ONENAND_SUPPORT
-       case BOOT_DEVICE_ONENAND:
-               return spl_onenand_load_image(&bootdev);
-#endif
-#endif
-#ifdef CONFIG_SPL_NOR_SUPPORT
-       case BOOT_DEVICE_NOR:
-               return spl_nor_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_YMODEM_SUPPORT
-       case BOOT_DEVICE_UART:
-               return spl_ymodem_load_image(&bootdev);
-#endif
-#if defined(CONFIG_SPL_SPI_SUPPORT) || defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
-       case BOOT_DEVICE_SPI:
-               return spl_spi_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_ETH_SUPPORT
-       case BOOT_DEVICE_CPGMAC:
-#ifdef CONFIG_SPL_ETH_DEVICE
-               bootdev.boot_device_name = CONFIG_SPL_ETH_DEVICE;
-#endif
-               return spl_net_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_USBETH_SUPPORT
-       case BOOT_DEVICE_USBETH:
-               bootdev.boot_device_name = "usb_ether";
-               return spl_net_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_USB_SUPPORT
-       case BOOT_DEVICE_USB:
-               return spl_usb_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_DFU_SUPPORT
-       case BOOT_DEVICE_DFU:
-               spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0");
-               return spl_ram_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_SATA_SUPPORT
-       case BOOT_DEVICE_SATA:
-               return spl_sata_load_image(&bootdev);
-#endif
-#ifdef CONFIG_SPL_BOARD_LOAD_IMAGE
-       case BOOT_DEVICE_BOARD:
-               return spl_board_load_image(&bootdev);
-#endif
-       default:
+       return loader->load_image(spl_image, &bootdev);
+}
+
+/**
+ * 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)
+{
+       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\n", 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");
+       gd->bd = &bdata;
+#ifdef CONFIG_SPL_OS_BOOT
+       dram_init_banksize();
+#endif
 
 #if defined(CONFIG_SYS_SPL_MALLOC_START)
        mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
@@ -477,20 +390,21 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
        spl_board_init();
 #endif
 
+       memset(&spl_image, '\0', sizeof(spl_image));
+#ifdef CONFIG_SYS_SPL_ARGS_ADDR
+       spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
+#endif
        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();
        }
 
+#ifdef CONFIG_CPU_V7M
+       spl_image.entry_point |= 0x1;
+#endif
        switch (spl_image.os) {
        case IH_OS_U_BOOT:
                debug("Jumping to U-Boot\n");
@@ -498,19 +412,33 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 #ifdef CONFIG_SPL_OS_BOOT
        case IH_OS_LINUX:
                debug("Jumping to Linux\n");
+               spl_fixup_fdt();
                spl_board_prepare_for_linux();
-               jump_to_image_linux(&spl_image,
-                                   (void *)CONFIG_SYS_SPL_ARGS_ADDR);
+               jump_to_image_linux(&spl_image);
 #endif
        default:
                debug("Unsupported OS image.. Jumping nevertheless..\n");
        }
-#if defined(CONFIG_SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
+#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
        debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
              gd->malloc_ptr / 1024);
 #endif
 
-       debug("loaded - jumping to U-Boot...");
+       if (IS_ENABLED(CONFIG_SPL_ATF_SUPPORT)) {
+               debug("loaded - jumping to U-Boot via ATF BL31.\n");
+               bl31_entry();
+       }
+
+       debug("loaded - jumping to U-Boot...\n");
+#ifdef CONFIG_BOOTSTAGE_STASH
+       int ret;
+
+       bootstage_mark_name(BOOTSTAGE_ID_END_SPL, "end_spl");
+       ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
+                             CONFIG_BOOTSTAGE_STASH_SIZE);
+       if (ret)
+               debug("Failed to stash bootstage: err=%d\n", ret);
+#endif
        spl_board_prepare_for_boot();
        jump_to_image_no_args(&spl_image);
 }
@@ -521,7 +449,6 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
  */
 void preloader_console_init(void)
 {
-       gd->bd = &bdata;
        gd->baudrate = CONFIG_BAUDRATE;
 
        serial_init();          /* serial communications setup */
@@ -559,7 +486,7 @@ ulong spl_relocate_stack_gd(void)
        gd_t *new_gd;
        ulong ptr = CONFIG_SPL_STACK_R_ADDR;
 
-#ifdef CONFIG_SPL_SYS_MALLOC_SIMPLE
+#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
        if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
                ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
                gd->malloc_base = ptr;
@@ -571,6 +498,9 @@ 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