^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/arch/arm/mach-omap1/board-palmz71.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Modified from board-generic.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Support for the Palm Zire71 PDA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Original version : Laurent Gonzalez
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Modified for zire71 : Marek Vasut
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/notifier.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/mtd/physmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/omapfb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/spi/spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/spi/ads7846.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/platform_data/omap1_bl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include "flash.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <mach/mux.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/omap-dma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <mach/tc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/platform_data/keypad-omap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <mach/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <mach/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include "common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define PALMZ71_USBDETECT_GPIO 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define PALMZ71_PENIRQ_GPIO 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define PALMZ71_MMC_WP_GPIO 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define PALMZ71_HDQ_GPIO 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define PALMZ71_CABLE_GPIO OMAP_MPUIO(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static const unsigned int palmz71_keymap[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) KEY(0, 0, KEY_F1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) KEY(1, 0, KEY_F2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) KEY(2, 0, KEY_F3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) KEY(3, 0, KEY_F4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) KEY(4, 0, KEY_POWER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) KEY(0, 1, KEY_LEFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) KEY(1, 1, KEY_DOWN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) KEY(2, 1, KEY_UP),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) KEY(3, 1, KEY_RIGHT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) KEY(4, 1, KEY_ENTER),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) KEY(0, 2, KEY_CAMERA),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static const struct matrix_keymap_data palmz71_keymap_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .keymap = palmz71_keymap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .keymap_size = ARRAY_SIZE(palmz71_keymap),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static struct omap_kp_platform_data palmz71_kp_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .rows = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .cols = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .keymap_data = &palmz71_keymap_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .rep = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .delay = 80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static struct resource palmz71_kp_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .start = INT_KEYBOARD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .end = INT_KEYBOARD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static struct platform_device palmz71_kp_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .name = "omap-keypad",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .platform_data = &palmz71_kp_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .num_resources = ARRAY_SIZE(palmz71_kp_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .resource = palmz71_kp_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static struct mtd_partition palmz71_rom_partitions[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* PalmOS "Small ROM", contains the bootloader and the debugger */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .name = "smallrom",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .offset = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .size = 0xa000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .mask_flags = MTD_WRITEABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* PalmOS "Big ROM", a filesystem with all the OS code and data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .name = "bigrom",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .offset = SZ_128K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * 0x7b0000 bytes in the English-only ("enUS") version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .size = 0x7b0000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .mask_flags = MTD_WRITEABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static struct physmap_flash_data palmz71_rom_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .width = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .set_vpp = omap1_set_vpp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .parts = palmz71_rom_partitions,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static struct resource palmz71_rom_resource = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .start = OMAP_CS0_PHYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .end = OMAP_CS0_PHYS + SZ_8M - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static struct platform_device palmz71_rom_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .name = "physmap-flash",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .platform_data = &palmz71_rom_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .num_resources = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .resource = &palmz71_rom_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static struct platform_device palmz71_lcd_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .name = "lcd_palmz71",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static struct platform_device palmz71_spi_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .name = "spi_palmz71",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static struct omap_backlight_config palmz71_backlight_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .default_intensity = 0xa0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static struct platform_device palmz71_backlight_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .name = "omap-bl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .platform_data = &palmz71_backlight_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static struct platform_device *devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) &palmz71_rom_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) &palmz71_kp_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) &palmz71_lcd_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) &palmz71_spi_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) &palmz71_backlight_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) palmz71_get_pendown_state(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static const struct ads7846_platform_data palmz71_ts_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .model = 7846,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .vref_delay_usecs = 100, /* internal, no capacitor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) .x_plate_ohms = 419,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .y_plate_ohms = 486,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .get_pendown_state = palmz71_get_pendown_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static struct spi_board_info __initdata palmz71_boardinfo[] = { {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* MicroWire (bus 2) CS0 has an ads7846e */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .modalias = "ads7846",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .platform_data = &palmz71_ts_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .max_speed_hz = 120000 /* max sample rate at 3V */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * 26 /* command + data + overhead */,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .bus_num = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .chip_select = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) } };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static struct omap_usb_config palmz71_usb_config __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .register_dev = 1, /* Mini-B only receptacle */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .hmc_mode = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .pins[0] = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static const struct omap_lcd_config palmz71_lcd_config __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .ctrl_name = "internal",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static irqreturn_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) palmz71_powercable(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) printk(KERN_INFO "PM: Power cable connected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) IRQ_TYPE_EDGE_FALLING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) printk(KERN_INFO "PM: Power cable disconnected\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) IRQ_TYPE_EDGE_RISING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) omap_mpu_wdt_mode(int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) palmz71_gpio_setup(int early)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (early) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) /* Only set GPIO1 so we have a working serial */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) gpio_direction_output(1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) /* Set MMC/SD host WP pin as input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) printk(KERN_ERR "Could not reserve WP GPIO!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) gpio_direction_input(PALMZ71_MMC_WP_GPIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* Monitor the Power-cable-connected signal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) "Could not reserve cable signal GPIO!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) gpio_direction_input(PALMZ71_USBDETECT_GPIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) palmz71_powercable, 0, "palmz71-cable", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) printk(KERN_ERR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) "IRQ request for power cable failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) omap_palmz71_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /* mux pins for uarts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) omap_cfg_reg(UART1_TX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) omap_cfg_reg(UART1_RTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) omap_cfg_reg(UART2_TX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) omap_cfg_reg(UART2_RTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) omap_cfg_reg(UART3_TX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) omap_cfg_reg(UART3_RX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) palmz71_gpio_setup(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) omap_mpu_wdt_mode(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) platform_add_devices(devices, ARRAY_SIZE(devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) palmz71_boardinfo[0].irq = gpio_to_irq(PALMZ71_PENIRQ_GPIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) spi_register_board_info(palmz71_boardinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ARRAY_SIZE(palmz71_boardinfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) omap1_usb_init(&palmz71_usb_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) omap_serial_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) omap_register_i2c_bus(1, 100, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) palmz71_gpio_setup(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) omapfb_set_lcd_config(&palmz71_lcd_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) .map_io = omap15xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) .init_early = omap1_init_early,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) .init_irq = omap1_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) .handle_irq = omap1_handle_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) .init_machine = omap_palmz71_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) .init_late = omap1_init_late,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) .init_time = omap1_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) .restart = omap1_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) MACHINE_END
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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