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

2026-09-06 03:52:57 +08:00
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Nishanth Menon <nm@ti.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ *	Sunil Kumar <sunilsaini05@gmail.com>
+ *	Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *	Richard Woodruff <r-woodruff2@ti.com>
+ *	Syed Mohammed Khasim <khasim@ti.com>
+ *
+ */
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <ns16550.h>
+#include <netdev.h>
+#include <twl4030.h>
+#include <linux/mtd/omap_gpmc.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-types.h>
+#include "zoom1.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * gpmc_cfg is initialized by gpmc_init and we use it here.
+ * GPMC definitions for Ethenet Controller LAN9211
+ */
+static const u32 gpmc_lab_enet[] = {
+	ZOOM1_ENET_GPMC_CONF1,
+	ZOOM1_ENET_GPMC_CONF2,
+	ZOOM1_ENET_GPMC_CONF3,
+	ZOOM1_ENET_GPMC_CONF4,
+	ZOOM1_ENET_GPMC_CONF5,
+	ZOOM1_ENET_GPMC_CONF6,
+	/*CONF7- computed as params */
+};
+
+static const struct ns16550_platdata zoom1_serial = {
+	.base = OMAP34XX_UART3,
+	.reg_shift = 2,
+	.clock = V_NS16550_CLK,
+	.fcr = UART_FCR_DEFVAL,
+};
+
+U_BOOT_DEVICE(zoom1_uart) = {
+	"ns16550_serial",
+	&zoom1_serial
+};
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
+	/* CS1 is Ethernet LAN9211 */
+	enable_gpmc_cs_config(gpmc_lab_enet, &gpmc_cfg->cs[1],
+			      DEBUG_BASE, GPMC_SIZE_16M);
+	/* board id for Linux */
+	gd->bd->bi_arch_number = MACH_TYPE_OMAP_LDP;
+	/* boot param addr */
+	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+	return 0;
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: Configure zoom board specific configurations
+ */
+int misc_init_r(void)
+{
+	twl4030_power_init();
+	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
+	omap_die_id_display();
+
+	/*
+	 * Board Reset
+	 * The board is reset by holding the red button on the
+	 * top right front face for eight seconds.
+	 */
+	twl4030_power_reset_init();
+
+	return 0;
+}
+
+/*
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers specific to the
+ *		hardware. Many pins need to be moved from protect to primary
+ *		mode.
+ */
+void set_muxconf_regs(void)
+{
+	/* platform specific muxes */
+	MUX_ZOOM1_MDK();
+}
+
+#ifdef CONFIG_MMC
+int board_mmc_init(bd_t *bis)
+{
+	return omap_mmc_init(0, 0, 0, -1, -1);
+}
+
+void board_mmc_power_init(void)
+{
+	twl4030_power_mmc_init(0);
+}
+#endif
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+#ifdef CONFIG_SMC911X
+#define STR_ENV_ETHADDR	"ethaddr"
+
+	struct eth_device *dev;
+	uchar eth_addr[6];
+
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+	if (!eth_env_get_enetaddr(STR_ENV_ETHADDR, eth_addr)) {
+		dev = eth_get_dev_by_index(0);
+		if (dev) {
+			eth_env_set_enetaddr(STR_ENV_ETHADDR, dev->enetaddr);
+		} else {
+			printf("zoom1: Couldn't get eth device\n");
+			rc = -1;
+		}
+	}
+#endif
+
+	return rc;
+}
+#endif