From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-omap2/board-h4.c | 392 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 392 insertions(+) create mode 100644 arch/arm/mach-omap2/board-h4.c (limited to 'arch/arm/mach-omap2/board-h4.c') diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c new file mode 100644 index 00000000..bac7933b --- /dev/null +++ b/arch/arm/mach-omap2/board-h4.c @@ -0,0 +1,392 @@ +/* + * linux/arch/arm/mach-omap2/board-h4.c + * + * Copyright (C) 2005 Nokia Corporation + * Author: Paul Mundt + * + * Modified from mach-omap/omap1/board-generic.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mux.h" +#include "control.h" + +#define H4_FLASH_CS 0 +#define H4_SMC91X_CS 1 + +#define H4_ETHR_GPIO_IRQ 92 + +static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; +static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; + +static const unsigned int h4_keymap[] = { + KEY(0, 0, KEY_LEFT), + KEY(1, 0, KEY_RIGHT), + KEY(2, 0, KEY_A), + KEY(3, 0, KEY_B), + KEY(4, 0, KEY_C), + KEY(0, 1, KEY_DOWN), + KEY(1, 1, KEY_UP), + KEY(2, 1, KEY_E), + KEY(3, 1, KEY_F), + KEY(4, 1, KEY_G), + KEY(0, 2, KEY_ENTER), + KEY(1, 2, KEY_I), + KEY(2, 2, KEY_J), + KEY(3, 2, KEY_K), + KEY(4, 2, KEY_3), + KEY(0, 3, KEY_M), + KEY(1, 3, KEY_N), + KEY(2, 3, KEY_O), + KEY(3, 3, KEY_P), + KEY(4, 3, KEY_Q), + KEY(0, 4, KEY_R), + KEY(1, 4, KEY_4), + KEY(2, 4, KEY_T), + KEY(3, 4, KEY_U), + KEY(4, 4, KEY_ENTER), + KEY(0, 5, KEY_V), + KEY(1, 5, KEY_W), + KEY(2, 5, KEY_L), + KEY(3, 5, KEY_S), + KEY(4, 5, KEY_ENTER), +}; + +static struct mtd_partition h4_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 h4_flash_data = { + .width = 2, + .parts = h4_partitions, + .nr_parts = ARRAY_SIZE(h4_partitions), +}; + +static struct resource h4_flash_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device h4_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &h4_flash_data, + }, + .num_resources = 1, + .resource = &h4_flash_resource, +}; + +static const struct matrix_keymap_data h4_keymap_data = { + .keymap = h4_keymap, + .keymap_size = ARRAY_SIZE(h4_keymap), +}; + +static struct omap_kp_platform_data h4_kp_data = { + .rows = 6, + .cols = 7, + .keymap_data = &h4_keymap_data, + .rep = true, + .row_gpios = row_gpios, + .col_gpios = col_gpios, +}; + +static struct platform_device h4_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &h4_kp_data, + }, +}; + +static struct platform_device h4_lcd_device = { + .name = "lcd_h4", + .id = -1, +}; + +static struct platform_device *h4_devices[] __initdata = { + &h4_flash_device, + &h4_kp_device, + &h4_lcd_device, +}; + +/* 2420 Sysboot setup (2430 is different) */ +static u32 get_sysboot_value(void) +{ + return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & + (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | + OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | + OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); +} + +/* H4-2420's always used muxed mode, H4-2422's always use non-muxed + * + * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 + * correctly. The macro needs to look at production_id not just hawkeye. + */ +static u32 is_gpmc_muxed(void) +{ + u32 mux; + mux = get_sysboot_value(); + if ((mux & 0xF) == 0xd) + return 1; /* NAND config (could be either) */ + if (mux & 0x2) /* if mux'ed */ + return 1; + else + return 0; +} + +static inline void __init h4_init_debug(void) +{ + int eth_cs; + unsigned long cs_mem_base; + unsigned int muxed, rate; + struct clk *gpmc_fck; + + eth_cs = H4_SMC91X_CS; + + gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */ + if (IS_ERR(gpmc_fck)) { + WARN_ON(1); + return; + } + + clk_enable(gpmc_fck); + rate = clk_get_rate(gpmc_fck); + clk_disable(gpmc_fck); + clk_put(gpmc_fck); + + if (is_gpmc_muxed()) + muxed = 0x200; + else + muxed = 0; + + /* Make sure CS1 timings are correct */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, + 0x00011000 | muxed); + + if (rate >= 160000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else if (rate >= 130000000) { + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); + } else {/* rate = 100000000 */ + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); + gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); + } + + if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); + goto out; + } + + udelay(100); + + omap_mux_init_gpio(92, 0); + if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) + gpmc_cs_free(eth_cs); + +out: + clk_disable(gpmc_fck); + clk_put(gpmc_fck); +} + +static void __init h4_init_flash(void) +{ + unsigned long base; + + if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { + printk("Can't request GPMC CS for flash\n"); + return; + } + h4_flash_resource.start = base; + h4_flash_resource.end = base + SZ_64M - 1; +} + +static struct omap_lcd_config h4_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct omap_usb_config h4_usb_config __initdata = { + /* S1.10 OFF -- usb "download port" + * usb0 switched to Mini-B port and isp1105 transceiver; + * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging + */ + .register_dev = 1, + .pins[0] = 3, +/* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */ + .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */ +}; + +static struct omap_board_config_kernel h4_config[] __initdata = { + { OMAP_TAG_LCD, &h4_lcd_config }, +}; + +static void __init omap_h4_init_early(void) +{ + omap2_init_common_infrastructure(); + omap2_init_common_devices(NULL, NULL); +} + +static void __init omap_h4_init_irq(void) +{ + omap_init_irq(); +} + +static struct at24_platform_data m24c01 = { + .byte_len = SZ_1K / 8, + .page_size = 16, +}; + +static struct i2c_board_info __initdata h4_i2c_board_info[] = { + { + I2C_BOARD_INFO("isp1301_omap", 0x2d), + .irq = OMAP_GPIO_IRQ(125), + }, + { /* EEPROM on mainboard */ + I2C_BOARD_INFO("24c01", 0x52), + .platform_data = &m24c01, + }, + { /* EEPROM on cpu card */ + I2C_BOARD_INFO("24c01", 0x57), + .platform_data = &m24c01, + }, +}; + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; +#endif + +static void __init omap_h4_init(void) +{ + omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF); + + omap_board_config = h4_config; + omap_board_config_size = ARRAY_SIZE(h4_config); + + /* + * Make sure the serial ports are muxed on at this point. + * You have to mux them off in device drivers later on + * if not needed. + */ + +#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) + omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP); + omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP); + omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP); + omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP); + if (omap_has_menelaus()) { + omap_mux_init_signal("sdrc_a14.gpio0", + OMAP_PULL_ENA | OMAP_PULL_UP); + omap_mux_init_signal("vlynq_rx0.gpio_15", 0); + omap_mux_init_signal("gpio_98", 0); + row_gpios[5] = 0; + col_gpios[2] = 15; + col_gpios[6] = 18; + } else { + omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP); + omap_mux_init_signal("gpio_100", 0); + omap_mux_init_signal("gpio_98", 0); + } + omap_mux_init_signal("gpio_90", 0); + omap_mux_init_signal("gpio_91", 0); + omap_mux_init_signal("gpio_36", 0); + omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0); + omap_mux_init_signal("gpio_97", 0); +#endif + + i2c_register_board_info(1, h4_i2c_board_info, + ARRAY_SIZE(h4_i2c_board_info)); + + platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); + omap2_usbfs_init(&h4_usb_config); + omap_serial_init(); + h4_init_flash(); +} + +static void __init omap_h4_map_io(void) +{ + omap2_set_globals_242x(); + omap242x_map_common_io(); +} + +MACHINE_START(OMAP_H4, "OMAP2420 H4 board") + /* Maintainer: Paul Mundt */ + .boot_params = 0x80000100, + .reserve = omap_reserve, + .map_io = omap_h4_map_io, + .init_early = omap_h4_init_early, + .init_irq = omap_h4_init_irq, + .init_machine = omap_h4_init, + .timer = &omap_timer, +MACHINE_END -- cgit v1.2.3