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

source/bootloader/u-boot-2020.01/board/atmel/at91sam9260ek/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_AT91SAM9260EK
+
+config SYS_BOARD
+	default "at91sam9260ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_CONFIG_NAME
+	default "at91sam9260ek"
+
+endif

source/bootloader/u-boot-2020.01/board/atmel/at91sam9260ek/MAINTAINERS

@@ -0,0 +1,17 @@
+AT91SAM9260EK BOARD
+M:	Stelian Pop <stelian@popies.net>
+S:	Maintained
+F:	board/atmel/at91sam9260ek/
+F:	include/configs/at91sam9260ek.h
+F:	configs/at91sam9260ek_dataflash_cs0_defconfig
+F:	configs/at91sam9260ek_dataflash_cs1_defconfig
+F:	configs/at91sam9260ek_nandflash_defconfig
+F:	configs/at91sam9g20ek_2mmc_nandflash_defconfig
+F:	configs/at91sam9g20ek_dataflash_cs0_defconfig
+F:	configs/at91sam9g20ek_dataflash_cs1_defconfig
+F:	configs/at91sam9g20ek_mmc_defconfig
+F:	configs/at91sam9g20ek_2mmc_defconfig
+F:	configs/at91sam9g20ek_nandflash_defconfig
+F:	configs/at91sam9xeek_dataflash_cs0_defconfig
+F:	configs/at91sam9xeek_dataflash_cs1_defconfig
+F:	configs/at91sam9xeek_nandflash_defconfig

source/bootloader/u-boot-2020.01/board/atmel/at91sam9260ek/Makefile

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+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian@popies.net>
+# Lead Tech Design <www.leadtechdesign.com>
+
+obj-y	+= at91sam9260ek.o
+obj-$(CONFIG_AT91_LED) += led.o

source/bootloader/u-boot-2020.01/board/atmel/at91sam9260ek/at91sam9260ek.c

@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <asm/io.h>
+#include <asm/arch/at91sam9260_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+#ifdef CONFIG_CMD_NAND
+static void at91sam9260ek_nand_hw_init(void)
+{
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+	unsigned long csa;
+
+	/* Assign CS3 to NAND/SmartMedia Interface */
+	csa = readl(&matrix->ebicsa);
+	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
+	writel(csa, &matrix->ebicsa);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+		&smc->cs[3].setup);
+	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
+		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
+		&smc->cs[3].pulse);
+	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
+		&smc->cs[3].cycle);
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+		AT91_SMC_MODE_EXNW_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+		AT91_SMC_MODE_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+		AT91_SMC_MODE_DBW_8 |
+#endif
+		AT91_SMC_MODE_TDF_CYCLE(2),
+		&smc->cs[3].mode);
+
+	/* Configure RDY/BSY */
+	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+
+	/* Enable NandFlash */
+	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+
+}
+#endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+	at91_seriald_hw_init();
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+	debug_uart_init();
+#endif
+	return 0;
+}
+#endif
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_CMD_NAND
+	at91sam9260ek_nand_hw_init();
+#endif
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size(
+		(void *)CONFIG_SYS_SDRAM_BASE,
+		CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+}
+#endif

source/bootloader/u-boot-2020.01/board/atmel/at91sam9260ek/led.c

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/gpio.h>
+#include <status_led.h>
+
+void coloured_LED_init(void)
+{
+	/* Clock is enabled in board_early_init_f() */
+	at91_set_gpio_output(CONFIG_RED_LED, 1);
+	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
+
+	at91_set_gpio_value(CONFIG_RED_LED, 0);
+	at91_set_gpio_value(CONFIG_GREEN_LED, 1);
+}