Signed-off-by: Marek Vasut diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 5da7a68..ee136b7 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -138,6 +138,19 @@ config MACH_PCM027 select PXA27x select IWMMXT +config ARCH_PXA_PALM + bool "PXA based Palm PDAs" + +config MACH_XSCALE_PALMTX + bool "Palm T|X" + default y + depends on ARCH_PXA_PALM + select PXA27x + select IWMMXT + help + Say Y here if you intend to run this kernel on a Palm T|X + handheld computer. + endchoice choice diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 0e6d05b..e74c043 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_MACH_TOSA) += tosa.o obj-$(CONFIG_MACH_EM_X270) += em-x270.o obj-$(CONFIG_MACH_MAGICIAN) += magician.o obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o +obj-$(CONFIG_MACH_XSCALE_PALMTX)+= palmtx.o ifeq ($(CONFIG_MACH_ZYLONITE),y) obj-y += zylonite.o diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c new file mode 100644 index 0000000..92f4d7c --- /dev/null +++ b/arch/arm/mach-pxa/palmtx.c @@ -0,0 +1,299 @@ +/* + * Hardware definitions for PalmTX + * + * Authors: Marek Vasut + * + * 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. + * + * (find more info at www.hackndev.com) + * + */ + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "generic.h" + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +static int palmtx_mci_init(struct device *dev, + irqreturn_t (*palmtx_detect_int)(int, void *), + void *data) +{ + int err = 0; + + /* Setup GPIOs for MMC/SD card controller. */ + pxa_gpio_mode(GPIO32_MMCCLK_MD); + pxa_gpio_mode(GPIO92_MMCDAT0_MD); + pxa_gpio_mode(GPIO109_MMCDAT1_MD); + pxa_gpio_mode(GPIO110_MMCDAT2_MD); + pxa_gpio_mode(GPIO111_MMCDAT3_MD); + pxa_gpio_mode(GPIO112_MMCCMD_MD); + pxa_gpio_mode(GPIO_NR_PALMTX_SD_DETECT_N | GPIO_IN); + + /* Setup an interrupt for detecting card insert/remove events */ + set_irq_type(IRQ_GPIO_PALMTX_SD_DETECT_N, IRQ_TYPE_EDGE_BOTH); + err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_detect_int, + IRQF_DISABLED | IRQF_SAMPLE_RANDOM, + "SD/MMC card detect", data); + if (err) { + printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", + __func__); + return err; + } + + printk(KERN_DEBUG "%s: irq registered\n", __func__); + + return 0; +} + +static void palmtx_mci_exit(struct device *dev, void *data) +{ + free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data); +} + +static void palmtx_mci_power(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data *p_d = dev->platform_data; + gpio_set_value(GPIO_NR_PALMTX_SD_POWER, !!((1 << vdd) & p_d->ocr_mask)); +} + +static int palmtx_mci_get_ro(struct device *dev) +{ + return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY); +} + +static struct pxamci_platform_data palmtx_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .setpower = palmtx_mci_power, + .get_ro = palmtx_mci_get_ro, + .init = palmtx_mci_init, + .exit = palmtx_mci_exit, +}; + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +static unsigned int palmtx_matrix_keys[] = { + KEY(0, 0, KEY_POWER), + KEY(0, 1, KEY_F1), + KEY(0, 2, KEY_ENTER), + + KEY(1, 0, KEY_F2), + KEY(1, 1, KEY_F3), + KEY(1, 2, KEY_F4), + + KEY(2, 0, KEY_UP), + KEY(2, 2, KEY_DOWN), + + KEY(3, 0, KEY_RIGHT), + KEY(3, 2, KEY_LEFT), + +}; + +static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = { + .matrix_key_rows = 4, + .matrix_key_cols = 3, + .matrix_key_map = palmtx_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys), + + .debounce_interval = 30, +}; + +/****************************************************************************** + * GPIO keys + ******************************************************************************/ +#ifdef CONFIG_KEYBOARD_GPIO +static struct gpio_keys_button palmtx_pxa_buttons[] = { + {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, +}; + +static struct gpio_keys_platform_data palmtx_pxa_keys_data = { + .buttons = palmtx_pxa_buttons, + .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons), +}; + +static struct platform_device palmtx_pxa_keys = { + .name = "gpio-keys", + .dev = { + .platform_data = &palmtx_pxa_keys_data, + }, +}; +#endif + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static void palmtx_set_bl_intensity(int intensity) +{ + gpio_set_value(GPIO_NR_PALMTX_BL_POWER, intensity); + gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, intensity); + if (intensity) { + PWM_CTRL0 = 0x7; + PWM_PERVAL0 = PALMTX_PERIOD; + PWM_PWDUTY0 = intensity; + } +} + +static struct generic_bl_info palmtx_bl_info = { + .max_intensity = PALMTX_MAX_INTENSITY, + .default_intensity = PALMTX_MAX_INTENSITY, + .set_bl_intensity = palmtx_set_bl_intensity, + .limit_mask = PALMTX_LIMIT_MASK, +}; + +static struct platform_device palmtx_backlight = { + .name = "generic-bl", + .id = -1, + .dev = { + .platform_data = &palmtx_bl_info, + }, +}; + +/****************************************************************************** + * IrDA + ******************************************************************************/ +static void palmtx_irda_transceiver_mode(struct device *dev, int mode) +{ + unsigned long flags; + + local_irq_save(flags); + + if (mode & IR_SIRMODE) + printk(KERN_INFO "IrDA: setting mode to SIR\n"); + else if (mode & IR_FIRMODE) + printk(KERN_INFO "IrDA: setting mode to FIR\n"); + + if (mode & IR_OFF) { + printk(KERN_INFO "IrDA: turning transceiver OFF\n"); + gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, 1); + } else { + printk(KERN_INFO "IrDA: turning transceiver ON\n"); + gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, 0); + gpio_set_value(GPIO47_ICPTXD_MD, 1); + mdelay(30); + gpio_set_value(GPIO47_ICPTXD_MD, 0); + } + + local_irq_restore(flags); +} + +static struct pxaficp_platform_data palmtx_ficp_platform_data = { + .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, + .transceiver_mode = palmtx_irda_transceiver_mode, +}; + +/****************************************************************************** + * AC97 + ******************************************************************************/ +static struct platform_device palmtx_ac97 = { + .name = "pxa2xx-ac97", + .id = 0, +}; + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +static struct pxafb_mode_info palmtx_lcd_modes[] = { +{ + .pixclock = 57692, + .xres = 320, + .yres = 480, + .bpp = 16, + + .left_margin = 32, + .right_margin = 1, + .upper_margin = 7, + .lower_margin = 1, + + .hsync_len = 4, + .vsync_len = 1, + + .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, +}, +}; + +static struct pxafb_mach_info palmtx_lcd_screen = { + .modes = palmtx_lcd_modes, + .num_modes = ARRAY_SIZE(palmtx_lcd_modes), + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_RDSTM | + LCCR0_CMDIM | LCCR0_OUC | LCCR0_LDDALT, + .lccr3 = LCCR3_HorSnchL | LCCR3_VrtSnchL | + LCCR3_PixFlEdg | LCCR3_Bpp(4), +}; + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *devices[] __initdata = { +#ifdef CONFIG_KEYBOARD_GPIO + &palmtx_pxa_keys, +#endif + &palmtx_ac97, + &palmtx_backlight, +}; + +static struct map_desc palmtx_io_desc[] __initdata = { +{ + .virtual = PALMTX_PCMCIA_VIRT, + .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS), + .length = PALMTX_PCMCIA_SIZE, + .type = MT_DEVICE +}, +}; + +static void __init palmtx_map_io(void) +{ + pxa_map_io(); + iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc)); +} + +static void __init palmtx_init(void) +{ + /* disable primary codec interrupt to prevent WM9712 constantly + * interrupting the CPU and preventing the boot process to complete + * (Thanx Alex & Shadowmite!) */ + GCR &= ~GCR_PRIRDY_IEN; + + /* configure AC97's GPIOs */ + pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); + pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD); + pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); + pxa_gpio_mode(GPIO31_SYNC_AC97_MD); + + set_pxa_fb_info(&palmtx_lcd_screen); + pxa_set_mci_info(&palmtx_mci_platform_data); + pxa_set_ficp_info(&palmtx_ficp_platform_data); + pxa_set_keypad_info(&palmtx_keypad_platform_data); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(XSCALE_PALMTX, "Palm T|X") + .phys_io = PALMTX_PHYS_IO_START, + .io_pg_offst = io_p2v(0x40000000), + .boot_params = 0xa0000100, + .map_io = palmtx_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, + .init_machine = palmtx_init +MACHINE_END diff --git a/include/asm-arm/arch-pxa/palmtx-gpio.h b/include/asm-arm/arch-pxa/palmtx-gpio.h new file mode 100644 index 0000000..0f99490 --- /dev/null +++ b/include/asm-arm/arch-pxa/palmtx-gpio.h @@ -0,0 +1,73 @@ +/* + * GPIOs and interrupts for Palm T|X Handheld Computer + * + * Based on palmld-gpio.h by Alex Osborne + * + * Authors: Marek Vasut + * Cristiano P. + * Jan Herman <2hp AT seznam DOT cz> + * + * 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. + * + */ + +#ifndef _INCLUDE_PALMTX_GPIO_H_ +#define _INCLUDE_PALMTX_GPIO_H_ + +/* GPIOs */ +#define GPIO_NR_PALMTX_GPIO_RESET 1 + +#define GPIO_NR_PALMTX_POWER_DETECT 12 /* 90 */ +#define GPIO_NR_PALMTX_HOTSYNC_BUTTON_N 10 +#define GPIO_NR_PALMTX_EARPHONE_DETECT 107 + +/* SD/MMC */ +#define GPIO_NR_PALMTX_SD_DETECT_N 14 +#define GPIO_NR_PALMTX_SD_POWER 114 /* probably */ +#define GPIO_NR_PALMTX_SD_READONLY 115 /* probably */ + +/* TOUCHSCREEN */ +#define GPIO_NR_PALMTX_WM9712_IRQ 27 + +/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */ +#define GPIO_NR_PALMTX_IR_DISABLE 40 + +/* USB */ +#define GPIO_NR_PALMTX_USB_DETECT_N 13 +#define GPIO_NR_PALMTX_USB_POWER 95 +#define GPIO_NR_PALMTX_USB_PULLUP 93 + +/* LCD/BACKLIGHT */ +#define GPIO_NR_PALMTX_SCREEN 19 +#define GPIO_NR_PALMTX_BL_POWER 84 +#define GPIO_NR_PALMTX_LCD_POWER 96 + +/* LCD BORDER */ +#define GPIO_NR_PALMTX_BORDER_SWITCH 98 +#define GPIO_NR_PALMTX_BORDER_SELECT 22 + +/* BLUETOOTH */ +#define GPIO_NR_PALMTX_BT_POWER 17 +#define GPIO_NR_PALMTX_BT_RESET 83 + +/* PCMCIA (WiFi) */ +#define GPIO_NR_PALMTX_PCMCIA_POWER1 94 +#define GPIO_NR_PALMTX_PCMCIA_POWER2 108 +#define GPIO_NR_PALMTX_PCMCIA_RESET 79 +#define GPIO_NR_PALMTX_PCMCIA_READY 116 + +/* NAND Flash ... these GPIOs are maybe incorrect! */ +#define GPIO_NR_PALMTX_NAND_CS1_N 15 +#define GPIO_NR_PALMTX_NAND_READY 18 +#define GPIO_NR_PALMTX_NAND_WE_N 49 +#define GPIO_NR_PALMTX_NAND_BUFFER_DIR 79 + +/* INTERRUPTS */ +#define IRQ_GPIO_PALMTX_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTX_SD_DETECT_N) +#define IRQ_GPIO_PALMTX_WM9712_IRQ IRQ_GPIO(GPIO_NR_PALMTX_WM9712_IRQ) +#define IRQ_GPIO_PALMTX_USB_DETECT IRQ_GPIO(GPIO_NR_PALMTX_USB_DETECT) +#define IRQ_GPIO_PALMTX_GPIO_RESET IRQ_GPIO(GPIO_NR_PALMTX_GPIO_RESET) + +#endif diff --git a/include/asm-arm/arch-pxa/palmtx-init.h b/include/asm-arm/arch-pxa/palmtx-init.h new file mode 100644 index 0000000..7522b1e --- /dev/null +++ b/include/asm-arm/arch-pxa/palmtx-init.h @@ -0,0 +1,69 @@ +/* + * Init values for Palm T|X Handheld Computer + * + * Authors: Marek Vasut + * Cristiano P. + * Jan Herman <2hp AT seznam DOT cz> + * + * 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. + * + * + * this code is in a very early stage: + * - use it at your own risk + * - any help is encouraged and will be highly appreciated + * + */ + +#ifndef _INCLUDE_PALMTX_INIT_H_ + +#define _INCLUDE_PALMTX_INIT_H_ + +/* Various addresses */ + +#define PALMTX_PCMCIA_PHYS 0x28000000 +#define PALMTX_PCMCIA_VIRT 0xf0000000 +#define PALMTX_PCMCIA_SIZE 0x100000 + +#define PALMTX_PHYS_RAM_START 0xa0000000 +#define PALMTX_PHYS_IO_START 0x40000000 + +#define PALMTX_PHYS_FLASH_START PXA_CS0_PHYS /* ChipSelect 0 */ +#define PALMTX_PHYS_NAND_START PXA_CS1_PHYS /* ChipSelect 1 */ + +/* KEYPAD configuration */ + +#define KPASMKP(col) (col/2 == 0 ? KPASMKP0 : KPASMKP1) +#define KPASMKPx_MKC(row, col) (1 << (row + 16*(col%2))) + +#define PALMTX_KM_ROWS 4 +#define PALMTX_KM_COLS 3 + + +/* TOUCHSCREEN */ + +#define AC97_LINK_FRAME 21 + + +/* BATTERY */ + +#define PALMTX_BAT_MAX_VOLTAGE 4000 /* 4.00v current voltage */ +#define PALMTX_BAT_MIN_VOLTAGE 3550 /* 3.55v critical voltage */ +#define PALMTX_BAT_MAX_CURRENT 0 /* unknokn */ +#define PALMTX_BAT_MIN_CURRENT 0 /* unknown */ +#define PALMTX_BAT_MAX_CHARGE 1 /* unknown */ +#define PALMTX_BAT_MIN_CHARGE 1 /* unknown */ +#define PALMTX_MAX_LIFE_MINS 360 /* on-life in minutes */ + +#define PALMTX_BAT_MEASURE_DELAY (HZ * 1) + +/* BACKLIGHT */ + +#define PALMTX_MAX_INTENSITY 0xFE +#define PALMTX_DEFAULT_INTENSITY 0x7E +#define PALMTX_LIMIT_MASK 0x7F +#define PALMTX_PRESCALER 0x3F +#define PALMTX_PERIOD 0x12C + +#endif