1 files changed, 448 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
new file mode 100644
index 000000000..f28a4c3ea
--- /dev/null
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -0,0 +1,448 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-omap1/board-h2.c
+ *
+ * Board specific inits for OMAP-1610 H2
+ *
+ * Copyright (C) 2001 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * Copyright (C) 2002 MontaVista Software, Inc.
+ *
+ * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
+ * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
+ *
+ * H2 specific changes and cleanup
+ * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
+ */
+#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/platnand.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+#include <linux/mfd/tps65010.h>
+#include <linux/smc91x.h>
+#include <linux/omapfb.h>
+#include <linux/omap-dma.h>
+#include <linux/platform_data/gpio-omap.h>
+#include <linux/platform_data/keypad-omap.h>
+#include <linux/leds.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "tc.h"
+#include "mux.h"
+#include "flash.h"
+#include "hardware.h"
+#include "usb.h"
+#include "common.h"
+#include "board-h2.h"
+
+/* The first 16 SoC GPIO lines are on this GPIO chip */
+#define OMAP_GPIO_LABEL			"gpio-0-15"
+
+/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
+#define OMAP1610_ETHR_START		0x04000300
+
+static const unsigned int h2_keymap[] = {
+	KEY(0, 0, KEY_LEFT),
+	KEY(1, 0, KEY_RIGHT),
+	KEY(2, 0, KEY_3),
+	KEY(3, 0, KEY_F10),
+	KEY(4, 0, KEY_F5),
+	KEY(5, 0, KEY_9),
+	KEY(0, 1, KEY_DOWN),
+	KEY(1, 1, KEY_UP),
+	KEY(2, 1, KEY_2),
+	KEY(3, 1, KEY_F9),
+	KEY(4, 1, KEY_F7),
+	KEY(5, 1, KEY_0),
+	KEY(0, 2, KEY_ENTER),
+	KEY(1, 2, KEY_6),
+	KEY(2, 2, KEY_1),
+	KEY(3, 2, KEY_F2),
+	KEY(4, 2, KEY_F6),
+	KEY(5, 2, KEY_HOME),
+	KEY(0, 3, KEY_8),
+	KEY(1, 3, KEY_5),
+	KEY(2, 3, KEY_F12),
+	KEY(3, 3, KEY_F3),
+	KEY(4, 3, KEY_F8),
+	KEY(5, 3, KEY_END),
+	KEY(0, 4, KEY_7),
+	KEY(1, 4, KEY_4),
+	KEY(2, 4, KEY_F11),
+	KEY(3, 4, KEY_F1),
+	KEY(4, 4, KEY_F4),
+	KEY(5, 4, KEY_ESC),
+	KEY(0, 5, KEY_F13),
+	KEY(1, 5, KEY_F14),
+	KEY(2, 5, KEY_F15),
+	KEY(3, 5, KEY_F16),
+	KEY(4, 5, KEY_SLEEP),
+};
+
+static struct mtd_partition h2_nor_partitions[] = {
+	/* bootloader (U-Boot, etc) in first sector */
+	{
+	      .name		= "bootloader",
+	      .offset		= 0,
+	      .size		= SZ_128K,
+	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
+	},
+	/* bootloader params in the next sector */
+	{
+	      .name		= "params",
+	      .offset		= MTDPART_OFS_APPEND,
+	      .size		= SZ_128K,
+	      .mask_flags	= 0,
+	},
+	/* kernel */
+	{
+	      .name		= "kernel",
+	      .offset		= MTDPART_OFS_APPEND,
+	      .size		= SZ_2M,
+	      .mask_flags	= 0
+	},
+	/* file system */
+	{
+	      .name		= "filesystem",
+	      .offset		= MTDPART_OFS_APPEND,
+	      .size		= MTDPART_SIZ_FULL,
+	      .mask_flags	= 0
+	}
+};
+
+static struct physmap_flash_data h2_nor_data = {
+	.width		= 2,
+	.set_vpp	= omap1_set_vpp,
+	.parts		= h2_nor_partitions,
+	.nr_parts	= ARRAY_SIZE(h2_nor_partitions),
+};
+
+static struct resource h2_nor_resource = {
+	/* This is on CS3, wherever it's mapped */
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device h2_nor_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &h2_nor_data,
+	},
+	.num_resources	= 1,
+	.resource	= &h2_nor_resource,
+};
+
+static struct mtd_partition h2_nand_partitions[] = {
+#if 0
+	/* REVISIT:  enable these partitions if you make NAND BOOT
+	 * work on your H2 (rev C or newer); published versions of
+	 * x-load only support P2 and H3.
+	 */
+	{
+		.name		= "xloader",
+		.offset		= 0,
+		.size		= 64 * 1024,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "bootloader",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 256 * 1024,
+		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
+	},
+	{
+		.name		= "params",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 192 * 1024,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 2 * SZ_1M,
+	},
+#endif
+	{
+		.name		= "filesystem",
+		.size		= MTDPART_SIZ_FULL,
+		.offset		= MTDPART_OFS_APPEND,
+	},
+};
+
+#define H2_NAND_RB_GPIO_PIN	62
+
+static int h2_nand_dev_ready(struct nand_chip *chip)
+{
+	return gpio_get_value(H2_NAND_RB_GPIO_PIN);
+}
+
+static struct platform_nand_data h2_nand_platdata = {
+	.chip	= {
+		.nr_chips		= 1,
+		.chip_offset		= 0,
+		.nr_partitions		= ARRAY_SIZE(h2_nand_partitions),
+		.partitions		= h2_nand_partitions,
+		.options		= NAND_SAMSUNG_LP_OPTIONS,
+	},
+	.ctrl	= {
+		.cmd_ctrl	= omap1_nand_cmd_ctl,
+		.dev_ready	= h2_nand_dev_ready,
+	},
+};
+
+static struct resource h2_nand_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device h2_nand_device = {
+	.name		= "gen_nand",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &h2_nand_platdata,
+	},
+	.num_resources	= 1,
+	.resource	= &h2_nand_resource,
+};
+
+static struct smc91x_platdata h2_smc91x_info = {
+	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
+	.leda	= RPC_LED_100_10,
+	.ledb	= RPC_LED_TX_RX,
+};
+
+static struct resource h2_smc91x_resources[] = {
+	[0] = {
+		.start	= OMAP1610_ETHR_START,		/* Physical */
+		.end	= OMAP1610_ETHR_START + 0xf,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+	},
+};
+
+static struct platform_device h2_smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.dev	= {
+		.platform_data	= &h2_smc91x_info,
+	},
+	.num_resources	= ARRAY_SIZE(h2_smc91x_resources),
+	.resource	= h2_smc91x_resources,
+};
+
+static struct resource h2_kp_resources[] = {
+	[0] = {
+		.start	= INT_KEYBOARD,
+		.end	= INT_KEYBOARD,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static const struct matrix_keymap_data h2_keymap_data = {
+	.keymap		= h2_keymap,
+	.keymap_size	= ARRAY_SIZE(h2_keymap),
+};
+
+static struct omap_kp_platform_data h2_kp_data = {
+	.rows		= 8,
+	.cols		= 8,
+	.keymap_data	= &h2_keymap_data,
+	.rep		= true,
+	.delay		= 9,
+	.dbounce	= true,
+};
+
+static struct platform_device h2_kp_device = {
+	.name		= "omap-keypad",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &h2_kp_data,
+	},
+	.num_resources	= ARRAY_SIZE(h2_kp_resources),
+	.resource	= h2_kp_resources,
+};
+
+static const struct gpio_led h2_gpio_led_pins[] = {
+	{
+		.name		= "h2:red",
+		.default_trigger = "heartbeat",
+		.gpio		= 3,
+	},
+	{
+		.name		= "h2:green",
+		.default_trigger = "cpu0",
+		.gpio		= OMAP_MPUIO(4),
+	},
+};
+
+static struct gpio_led_platform_data h2_gpio_led_data = {
+	.leds		= h2_gpio_led_pins,
+	.num_leds	= ARRAY_SIZE(h2_gpio_led_pins),
+};
+
+static struct platform_device h2_gpio_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &h2_gpio_led_data,
+	},
+};
+
+static struct platform_device *h2_devices[] __initdata = {
+	&h2_nor_device,
+	&h2_nand_device,
+	&h2_smc91x_device,
+	&h2_kp_device,
+	&h2_gpio_leds,
+};
+
+static void __init h2_init_smc91x(void)
+{
+	if (gpio_request(0, "SMC91x irq") < 0) {
+		printk("Error requesting gpio 0 for smc91x irq\n");
+		return;
+	}
+}
+
+static int tps_setup(struct i2c_client *client, void *context)
+{
+	if (!IS_BUILTIN(CONFIG_TPS65010))
+		return -ENOSYS;
+
+	tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
+				TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
+
+	return 0;
+}
+
+static struct tps65010_board tps_board = {
+	.base		= H2_TPS_GPIO_BASE,
+	.outmask	= 0x0f,
+	.setup		= tps_setup,
+};
+
+static struct i2c_board_info __initdata h2_i2c_board_info[] = {
+	{
+		I2C_BOARD_INFO("tps65010", 0x48),
+		.platform_data	= &tps_board,
+	}, {
+		.type = "isp1301_omap",
+		.addr = 0x2d,
+		.dev_name = "isp1301",
+	},
+};
+
+static struct gpiod_lookup_table isp1301_gpiod_table = {
+	.dev_id = "isp1301",
+	.table = {
+		/* Active low since the irq triggers on falling edge */
+		GPIO_LOOKUP(OMAP_GPIO_LABEL, 2,
+			    NULL, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+static struct omap_usb_config h2_usb_config __initdata = {
+	/* usb1 has a Mini-AB port and external isp1301 transceiver */
+	.otg		= 2,
+
+#if IS_ENABLED(CONFIG_USB_OMAP)
+	.hmc_mode	= 19,	/* 0:host(off) 1:dev|otg 2:disabled */
+	/* .hmc_mode	= 21,*/	/* 0:host(off) 1:dev(loopback) 2:host(loopback) */
+#elif	IS_ENABLED(CONFIG_USB_OHCI_HCD)
+	/* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
+	.hmc_mode	= 20,	/* 1:dev|otg(off) 1:host 2:disabled */
+#endif
+
+	.pins[1]	= 3,
+};
+
+static const struct omap_lcd_config h2_lcd_config __initconst = {
+	.ctrl_name	= "internal",
+};
+
+static void __init h2_init(void)
+{
+	h2_init_smc91x();
+
+	/* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
+	 * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
+	 * notice whether a NAND chip is enabled at probe time.
+	 *
+	 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
+	 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
+	 * detecting that in code here, to avoid probing every possible flash
+	 * configuration...
+	 */
+	h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
+	h2_nor_resource.end += SZ_32M - 1;
+
+	h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
+	h2_nand_resource.end += SZ_4K - 1;
+	BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
+	gpio_direction_input(H2_NAND_RB_GPIO_PIN);
+
+	gpiod_add_lookup_table(&isp1301_gpiod_table);
+
+	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
+	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
+
+	/* MMC:  card detect and WP */
+	/* omap_cfg_reg(U19_ARMIO1); */		/* CD */
+	omap_cfg_reg(BALLOUT_V8_ARMIO3);	/* WP */
+
+	/* Mux pins for keypad */
+	omap_cfg_reg(F18_1610_KBC0);
+	omap_cfg_reg(D20_1610_KBC1);
+	omap_cfg_reg(D19_1610_KBC2);
+	omap_cfg_reg(E18_1610_KBC3);
+	omap_cfg_reg(C21_1610_KBC4);
+	omap_cfg_reg(G18_1610_KBR0);
+	omap_cfg_reg(F19_1610_KBR1);
+	omap_cfg_reg(H14_1610_KBR2);
+	omap_cfg_reg(E20_1610_KBR3);
+	omap_cfg_reg(E19_1610_KBR4);
+	omap_cfg_reg(N19_1610_KBR5);
+
+	/* GPIO based LEDs */
+	omap_cfg_reg(P18_1610_GPIO3);
+	omap_cfg_reg(MPUIO4);
+
+	h2_smc91x_resources[1].start = gpio_to_irq(0);
+	h2_smc91x_resources[1].end = gpio_to_irq(0);
+	platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
+	omap_serial_init();
+
+	/* ISP1301 IRQ wired at M14 */
+	omap_cfg_reg(M14_1510_GPIO2);
+	h2_i2c_board_info[0].irq = gpio_to_irq(58);
+	omap_register_i2c_bus(1, 100, h2_i2c_board_info,
+			      ARRAY_SIZE(h2_i2c_board_info));
+	omap1_usb_init(&h2_usb_config);
+	h2_mmc_init();
+
+	omapfb_set_lcd_config(&h2_lcd_config);
+}
+
+MACHINE_START(OMAP_H2, "TI-H2")
+	/* Maintainer: Imre Deak <imre.deak@nokia.com> */
+	.atag_offset	= 0x100,
+	.map_io		= omap16xx_map_io,
+	.init_early     = omap1_init_early,
+	.init_irq	= omap1_init_irq,
+	.handle_irq	= omap1_handle_irq,
+	.init_machine	= h2_init,
+	.init_late	= omap1_init_late,
+	.init_time	= omap1_timer_init,
+	.restart	= omap1_restart,
+MACHINE_END