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

source/bootloader/u-boot-2020.01/board/iomega/iconnect/iconnect.c

@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2009-2012
+ * Wojciech Dubowik <wojciech.dubowik@neratec.com>
+ * Luka Perkov <luka@openwrt.org>
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include "iconnect.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the below configuration configures mainly initial LED status
+	 */
+	mvebu_config_gpio(ICONNECT_OE_VAL_LOW,
+			  ICONNECT_OE_VAL_HIGH,
+			  ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
+
+	/* Multi-Purpose Pins Functionality configuration */
+	static const u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,	/* Reset signal */
+		MPP7_GPO,
+		MPP8_TW_SDA,		/* I2C */
+		MPP9_TW_SCK,		/* I2C */
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP12_GPO,		/* Reset button */
+		MPP13_SD_CMD,
+		MPP14_SD_D0,
+		MPP15_SD_D1,
+		MPP16_SD_D2,
+		MPP17_SD_D3,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_GE1_0,
+		MPP21_GE1_1,
+		MPP22_GE1_2,
+		MPP23_GE1_3,
+		MPP24_GE1_4,
+		MPP25_GE1_5,
+		MPP26_GE1_6,
+		MPP27_GE1_7,
+		MPP28_GPIO,
+		MPP29_GPIO,
+		MPP30_GE1_10,
+		MPP31_GE1_11,
+		MPP32_GE1_12,
+		MPP33_GE1_13,
+		MPP34_GE1_14,
+		MPP35_GPIO,		/* OTB button */
+		MPP36_AUDIO_SPDIFI,
+		MPP37_AUDIO_SPDIFO,
+		MPP38_GPIO,
+		MPP39_TDM_SPI_CS0,
+		MPP40_TDM_SPI_SCK,
+		MPP41_GPIO,		/* LED brightness */
+		MPP42_GPIO,		/* LED power (blue) */
+		MPP43_GPIO,		/* LED power (red) */
+		MPP44_GPIO,		/* LED USB 1 */
+		MPP45_GPIO,		/* LED USB 2 */
+		MPP46_GPIO,		/* LED USB 3 */
+		MPP47_GPIO,		/* LED USB 4 */
+		MPP48_GPIO,		/* LED OTB */
+		MPP49_GPIO,
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}