GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/include/configs/at91-sama5_common.h

@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Common part of configuration settings for the AT91 SAMA5 board.
+ *
+ * Copyright (C) 2015 Atmel Corporation
+ *		      Josh Wu <josh.wu@atmel.com>
+ */
+
+#ifndef __AT91_SAMA5_COMMON_H
+#define __AT91_SAMA5_COMMON_H
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK      32768
+#define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#endif
+
+/* general purpose I/O */
+#ifndef CONFIG_DM_GPIO
+#define CONFIG_AT91_GPIO
+#endif
+
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+
+/*
+ * Command line configuration.
+ */
+
+#ifdef CONFIG_SD_BOOT
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#endif
+
+#define CONFIG_BOOTCOMMAND	"if test ! -n ${dtb_name}; then "	\
+				    "setenv dtb_name at91-${board_name}.dtb; " \
+				"fi; "					\
+				"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
+				"fatload mmc 0:1 0x22000000 zImage; "	\
+				"bootz 0x22000000 - 0x21000000"
+
+#else
+
+#ifdef CONFIG_NAND_BOOT
+/* u-boot env in nand flash */
+#define CONFIG_BOOTCOMMAND		"nand read 0x21000000 0x180000 0x80000;"	\
+					"nand read 0x22000000 0x200000 0x600000;"	\
+					"bootz 0x22000000 - 0x21000000"
+#elif CONFIG_SPI_BOOT
+/* u-boot env in serial flash, by default is bus 0 and cs 0 */
+#define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
+					"sf read 0x21000000 0x60000 0xc000; "	\
+					"sf read 0x22000000 0x6c000 0x394000; "	\
+					"bootz 0x22000000 - 0x21000000"
+#elif CONFIG_QSPI_BOOT
+#define CONFIG_BOOTCOMMAND		"sf probe 0; "					\
+					"sf read 0x21000000 0x180000 0x80000; "		\
+					"sf read 0x22000000 0x200000 0x600000; "	\
+					"bootz 0x22000000 - 0x21000000"
+#endif
+
+#endif
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+
+#endif