]> git.sur5r.net Git - u-boot/blobdiff - arch/arm/cpu/armv7/omap-common/boot-common.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[u-boot] / arch / arm / cpu / armv7 / omap-common / boot-common.c
index cb18908867dd06d2494a2ef8dce9776313dfe663..385310ba1ec95825292f55824710a8e18c087275 100644 (file)
@@ -9,33 +9,43 @@
  */
 
 #include <common.h>
+#include <ahci.h>
 #include <spl.h>
 #include <asm/omap_common.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <watchdog.h>
+#include <scsi.h>
+#include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void save_omap_boot_params(void)
+__weak u32 omap_sys_boot_device(void)
 {
-       u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
-       u8 boot_device;
-       u32 dev_desc, dev_data;
+       return BOOT_DEVICE_NONE;
+}
 
-       if ((rom_params <  NON_SECURE_SRAM_START) ||
-           (rom_params > NON_SECURE_SRAM_END))
+void save_omap_boot_params(void)
+{
+       u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
+       struct omap_boot_parameters *omap_boot_params;
+       int sys_boot_device = 0;
+       u32 boot_device;
+       u32 boot_mode;
+
+       if ((boot_params < NON_SECURE_SRAM_START) ||
+           (boot_params > NON_SECURE_SRAM_END))
                return;
 
-       /*
-        * rom_params can be type casted to omap_boot_parameters and
-        * used. But it not correct to assume that romcode structure
-        * encoding would be same as u-boot. So use the defined offsets.
-        */
-       boot_device = *((u8 *)(rom_params + BOOT_DEVICE_OFFSET));
+       omap_boot_params = (struct omap_boot_parameters *)boot_params;
+
+       boot_device = omap_boot_params->boot_device;
+       boot_mode = MMCSD_MODE_UNDEFINED;
 
-#if defined(BOOT_DEVICE_NAND_I2C)
+       /* Boot device */
+
+#ifdef BOOT_DEVICE_NAND_I2C
        /*
         * Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
         * Otherwise the SPL boot IF can't handle this device correctly.
@@ -45,68 +55,145 @@ void save_omap_boot_params(void)
        if (boot_device == BOOT_DEVICE_NAND_I2C)
                boot_device = BOOT_DEVICE_NAND;
 #endif
-       gd->arch.omap_boot_params.omap_bootdevice = boot_device;
+#ifdef BOOT_DEVICE_QSPI_4
+       /*
+        * We get different values for QSPI_1 and QSPI_4 being used, but
+        * don't actually care about this difference.  Rather than
+        * mangle the later code, if we're coming in as QSPI_4 just
+        * change to the QSPI_1 value.
+        */
+       if (boot_device == BOOT_DEVICE_QSPI_4)
+               boot_device = BOOT_DEVICE_SPI;
+#endif
+       /*
+        * When booting from peripheral booting, the boot device is not usable
+        * as-is (unless there is support for it), so the boot device is instead
+        * figured out using the SYS_BOOT pins.
+        */
+       switch (boot_device) {
+#if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
+               case BOOT_DEVICE_UART:
+                       sys_boot_device = 1;
+                       break;
+#endif
+#if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_SUPPORT)
+               case BOOT_DEVICE_USB:
+                       sys_boot_device = 1;
+                       break;
+#endif
+#if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USBETH_SUPPORT)
+               case BOOT_DEVICE_USBETH:
+                       sys_boot_device = 1;
+                       break;
+#endif
+#if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH_SUPPORT)
+               case BOOT_DEVICE_CPGMAC:
+                       sys_boot_device = 1;
+                       break;
+#endif
+#if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU_SUPPORT)
+               case BOOT_DEVICE_DFU:
+                       sys_boot_device = 1;
+                       break;
+#endif
+       }
+
+       if (sys_boot_device) {
+               boot_device = omap_sys_boot_device();
+
+               /* MMC raw mode will fallback to FS mode. */
+               if ((boot_device >= MMC_BOOT_DEVICES_START) &&
+                   (boot_device <= MMC_BOOT_DEVICES_END))
+                       boot_mode = MMCSD_MODE_RAW;
+       }
+
+       gd->arch.omap_boot_device = boot_device;
 
-       gd->arch.omap_boot_params.ch_flags =
-                               *((u8 *)(rom_params + CH_FLAGS_OFFSET));
+       /* Boot mode */
 
+#ifdef CONFIG_OMAP34XX
        if ((boot_device >= MMC_BOOT_DEVICES_START) &&
            (boot_device <= MMC_BOOT_DEVICES_END)) {
-#if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) && \
-       !defined(CONFIG_AM43XX)
-               if ((omap_hw_init_context() ==
-                                     OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) {
-                       gd->arch.omap_boot_params.omap_bootmode =
-                       *((u8 *)(rom_params + BOOT_MODE_OFFSET));
-               } else
-#endif
-               {
-                       dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET));
-                       dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET));
-                       gd->arch.omap_boot_params.omap_bootmode =
-                                       *((u32 *)(dev_data + BOOT_MODE_OFFSET));
+               switch (boot_device) {
+               case BOOT_DEVICE_MMC1:
+                       boot_mode = MMCSD_MODE_FS;
+                       break;
+               case BOOT_DEVICE_MMC2:
+                       boot_mode = MMCSD_MODE_RAW;
+                       break;
                }
        }
-
-#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+#else
        /*
-        * We get different values for QSPI_1 and QSPI_4 being used, but
-        * don't actually care about this difference.  Rather than
-        * mangle the later code, if we're coming in as QSPI_4 just
-        * change to the QSPI_1 value.
+        * If the boot device was dynamically changed and doesn't match what
+        * the bootrom initially booted, we cannot use the boot device
+        * descriptor to figure out the boot mode.
         */
-       if (gd->arch.omap_boot_params.omap_bootdevice == 11)
-               gd->arch.omap_boot_params.omap_bootdevice = BOOT_DEVICE_SPI;
+       if ((boot_device == omap_boot_params->boot_device) &&
+           (boot_device >= MMC_BOOT_DEVICES_START) &&
+           (boot_device <= MMC_BOOT_DEVICES_END)) {
+               boot_params = omap_boot_params->boot_device_descriptor;
+               if ((boot_params < NON_SECURE_SRAM_START) ||
+                   (boot_params > NON_SECURE_SRAM_END))
+                       return;
+
+               boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET));
+               if ((boot_params < NON_SECURE_SRAM_START) ||
+                   (boot_params > NON_SECURE_SRAM_END))
+                       return;
+
+               boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET));
+
+               if (boot_mode != MMCSD_MODE_FS &&
+                   boot_mode != MMCSD_MODE_RAW)
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+                       boot_mode = MMCSD_MODE_EMMCBOOT;
+#else
+                       boot_mode = MMCSD_MODE_UNDEFINED;
+#endif
+       }
+#endif
+
+       gd->arch.omap_boot_mode = boot_mode;
+
+#if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
+    !defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)
+
+       /* CH flags */
+
+       gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
 #endif
 }
 
 #ifdef CONFIG_SPL_BUILD
 u32 spl_boot_device(void)
 {
-       return (u32) (gd->arch.omap_boot_params.omap_bootdevice);
+       return gd->arch.omap_boot_device;
 }
 
-u32 spl_boot_mode(void)
+u32 spl_boot_mode(const u32 boot_device)
 {
-       u32 val = gd->arch.omap_boot_params.omap_bootmode;
-
-       if (val == MMCSD_MODE_RAW)
-               return MMCSD_MODE_RAW;
-       else if (val == MMCSD_MODE_FS)
-               return MMCSD_MODE_FS;
-       else
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
-               return MMCSD_MODE_EMMCBOOT;
-#else
-               return MMCSD_MODE_UNDEFINED;
-#endif
+       return gd->arch.omap_boot_mode;
 }
 
 void spl_board_init(void)
 {
-#ifdef CONFIG_SPL_NAND_SUPPORT
+       /*
+        * Save the boot parameters passed from romcode.
+        * We cannot delay the saving further than this,
+        * to prevent overwrites.
+        */
+       save_omap_boot_params();
+
+       /* Prepare console output */
+       preloader_console_init();
+
+#if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
        gpmc_init();
 #endif
+#ifdef CONFIG_SPL_I2C_SUPPORT
+       i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+#endif
 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
        arch_misc_init();
 #endif
@@ -118,7 +205,7 @@ void spl_board_init(void)
 #endif
 }
 
-int board_mmc_init(bd_t *bis)
+__weak int board_mmc_init(bd_t *bis)
 {
        switch (spl_boot_device()) {
        case BOOT_DEVICE_MMC1:
@@ -126,6 +213,7 @@ int board_mmc_init(bd_t *bis)
                break;
        case BOOT_DEVICE_MMC2:
        case BOOT_DEVICE_MMC2_2:
+               omap_mmc_init(0, 0, 0, -1, -1);
                omap_mmc_init(1, 0, 0, -1, -1);
                break;
        }
@@ -138,8 +226,27 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
        image_entry_noargs_t image_entry =
                        (image_entry_noargs_t) spl_image->entry_point;
 
+       u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
+
        debug("image entry point: 0x%X\n", spl_image->entry_point);
        /* Pass the saved boot_params from rom code */
-       image_entry((u32 *)&gd->arch.omap_boot_params);
+       image_entry((u32 *)boot_params);
+}
+#endif
+
+#ifdef CONFIG_SCSI_AHCI_PLAT
+void arch_preboot_os(void)
+{
+       ahci_reset((void __iomem *)DWC_AHSATA_BASE);
+}
+#endif
+
+#if defined(CONFIG_USB_FUNCTION_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE)
+int fb_set_reboot_flag(void)
+{
+       printf("Setting reboot to fastboot flag ...\n");
+       setenv("dofastboot", "1");
+       saveenv();
+       return 0;
 }
 #endif