*/
#include <common.h>
+#include <mmc.h>
#include <i2c.h>
#include <serial.h>
#ifdef CONFIG_SPL_BUILD
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/spl.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/timer.h>
+#include <asm/arch/tzpc.h>
+#include <asm/arch/mmc.h>
#include <linux/compiler.h>
sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUNXI_GPIO_INPUT);
#endif
#if defined(CONFIG_MACH_SUN8I)
- sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUN8I_GPF_UART0_TX);
- sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUN8I_GPF_UART0_RX);
+ sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUN8I_GPF_UART0);
+ sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUN8I_GPF_UART0);
#else
- sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUNXI_GPF_UART0_TX);
- sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF_UART0_RX);
+ sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUNXI_GPF_UART0);
+ sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF_UART0);
#endif
sunxi_gpio_set_pull(SUNXI_GPF(4), 1);
#elif CONFIG_CONS_INDEX == 1 && (defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I))
sunxi_gpio_set_cfgpin(SUNXI_GPH(20), SUN6I_GPH_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPH(21), SUN6I_GPH_UART0);
sunxi_gpio_set_pull(SUNXI_GPH(21), SUNXI_GPIO_PULL_UP);
+#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_A33)
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN8I_A33_GPB_UART0);
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN8I_A33_GPB_UART0);
+ sunxi_gpio_set_pull(SUNXI_GPB(1), SUNXI_GPIO_PULL_UP);
#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN9I)
sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0);
sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0);
"orr r0, r0, #1 << 6\n"
"mcr p15, 0, r0, c1, c0, 1\n");
#endif
+#if defined CONFIG_MACH_SUN6I
+ /* Enable non-secure access to the RTC */
+ tzpc_init();
+#endif
clock_init();
timer_init();
}
#ifdef CONFIG_SPL_BUILD
+DECLARE_GLOBAL_DATA_PTR;
+
/* The sunxi internal brom will try to loader external bootloader
* from mmc0, nand flash, mmc2.
- *
- * Unfortunately we can't check how SPL was loaded so assume it's
- * always the first SD/MMC controller, unless it was explicitly
- * stated that SPL is on nand flash.
*/
u32 spl_boot_device(void)
{
-#if defined(CONFIG_SPL_NAND_SUPPORT)
+ __maybe_unused struct mmc *mmc0, *mmc1;
/*
- * This is compile time configuration informing SPL, that it
- * was loaded from nand flash.
- */
- return BOOT_DEVICE_NAND;
-#else
- /*
- * When booting from the SD card, the "eGON.BT0" signature is expected
- * to be found in memory at the address 0x0004 (see the "mksunxiboot"
- * tool, which generates this header).
+ * When booting from the SD card or NAND memory, the "eGON.BT0"
+ * signature is expected to be found in memory at the address 0x0004
+ * (see the "mksunxiboot" tool, which generates this header).
*
* When booting in the FEL mode over USB, this signature is patched in
* memory and replaced with something else by the 'fel' tool. This other
* valid bootable SD card image (because the BROM would refuse to
* execute the SPL in this case).
*
- * This branch is just making a decision at runtime whether to load
- * the main u-boot binary from the SD card (if the "eGON.BT0" signature
- * is found) or return to the FEL code in the BROM to wait and receive
- * the main u-boot binary over USB.
+ * This checks for the signature and if it is not found returns to
+ * the FEL code in the BROM to wait and receive the main u-boot
+ * binary over USB. If it is found, it determines where SPL was
+ * read from.
*/
- if (readl(4) == 0x4E4F4765 && readl(8) == 0x3054422E) /* eGON.BT0 */
- return BOOT_DEVICE_MMC1;
- else
+ if (!is_boot0_magic(SPL_ADDR + 4)) /* eGON.BT0 */
return BOOT_DEVICE_BOARD;
+
+ /* The BROM will try to boot from mmc0 first, so try that first. */
+#ifdef CONFIG_MMC
+ mmc_initialize(gd->bd);
+ mmc0 = find_mmc_device(0);
+ if (sunxi_mmc_has_egon_boot_signature(mmc0))
+ return BOOT_DEVICE_MMC1;
+#endif
+
+ /* Fallback to booting NAND if enabled. */
+ if (IS_ENABLED(CONFIG_SPL_NAND_SUPPORT))
+ return BOOT_DEVICE_NAND;
+
+#ifdef CONFIG_MMC
+ if (CONFIG_MMC_SUNXI_SLOT_EXTRA == 2) {
+ mmc1 = find_mmc_device(1);
+ if (sunxi_mmc_has_egon_boot_signature(mmc1)) {
+ /*
+ * spl_mmc.c: spl_mmc_load_image() is hard-coded to
+ * use find_mmc_device(0), no matter what we
+ * return. Swap mmc0 and mmc2 to make this work.
+ */
+ mmc0->block_dev.dev = 1;
+ mmc1->block_dev.dev = 0;
+ return BOOT_DEVICE_MMC2;
+ }
+ }
#endif
+
+ panic("Could not determine boot source\n");
+ return -1; /* Never reached */
}
/* No confirmation data available in SPL yet. Hardcode bootmode */
void board_init_f(ulong dummy)
{
+ spl_init();
preloader_console_init();
#ifdef CONFIG_SPL_I2C_SUPPORT
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
#endif
sunxi_board_init();
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- board_init_r(NULL, 0);
}
#endif
writel(WDT_CFG_RESET, &wdog->cfg);
writel(WDT_MODE_EN, &wdog->mode);
writel(WDT_CTRL_KEY | WDT_CTRL_RESTART, &wdog->ctl);
+ while (1) { }
#endif
}
__maybe_unused int rc;
#ifdef CONFIG_MACPWR
+ gpio_request(CONFIG_MACPWR, "macpwr");
gpio_direction_output(CONFIG_MACPWR, 1);
mdelay(200);
#endif
projects / platform / kernel / u-boot.git / blobdiff