cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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palmt5.c (6129B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Hardware definitions for Palm Tungsten|T5
      4 *
      5 * Author:	Marek Vasut <marek.vasut@gmail.com>
      6 *
      7 * Based on work of:
      8 *		Ales Snuparek <snuparek@atlas.cz>
      9 *		Justin Kendrick <twilightsentry@gmail.com>
     10 *		RichardT5 <richard_t5@users.sourceforge.net>
     11 *
     12 * (find more info at www.hackndev.com)
     13 */
     14
     15#include <linux/platform_device.h>
     16#include <linux/delay.h>
     17#include <linux/irq.h>
     18#include <linux/gpio_keys.h>
     19#include <linux/input.h>
     20#include <linux/memblock.h>
     21#include <linux/pda_power.h>
     22#include <linux/pwm_backlight.h>
     23#include <linux/gpio.h>
     24#include <linux/wm97xx.h>
     25#include <linux/power_supply.h>
     26
     27#include <asm/mach-types.h>
     28#include <asm/mach/arch.h>
     29#include <asm/mach/map.h>
     30
     31#include "pxa27x.h"
     32#include <linux/platform_data/asoc-pxa.h>
     33#include "palmt5.h"
     34#include <linux/platform_data/mmc-pxamci.h>
     35#include <linux/platform_data/video-pxafb.h>
     36#include <linux/platform_data/irda-pxaficp.h>
     37#include <linux/platform_data/keypad-pxa27x.h>
     38#include "udc.h"
     39#include <linux/platform_data/asoc-palm27x.h>
     40#include "palm27x.h"
     41
     42#include "generic.h"
     43#include "devices.h"
     44
     45/******************************************************************************
     46 * Pin configuration
     47 ******************************************************************************/
     48static unsigned long palmt5_pin_config[] __initdata = {
     49	/* MMC */
     50	GPIO32_MMC_CLK,
     51	GPIO92_MMC_DAT_0,
     52	GPIO109_MMC_DAT_1,
     53	GPIO110_MMC_DAT_2,
     54	GPIO111_MMC_DAT_3,
     55	GPIO112_MMC_CMD,
     56	GPIO14_GPIO,	/* SD detect */
     57	GPIO114_GPIO,	/* SD power */
     58	GPIO115_GPIO,	/* SD r/o switch */
     59
     60	/* AC97 */
     61	GPIO28_AC97_BITCLK,
     62	GPIO29_AC97_SDATA_IN_0,
     63	GPIO30_AC97_SDATA_OUT,
     64	GPIO31_AC97_SYNC,
     65	GPIO89_AC97_SYSCLK,
     66	GPIO95_AC97_nRESET,
     67
     68	/* IrDA */
     69	GPIO40_GPIO,	/* ir disable */
     70	GPIO46_FICP_RXD,
     71	GPIO47_FICP_TXD,
     72
     73	/* USB */
     74	GPIO15_GPIO,	/* usb detect */
     75	GPIO93_GPIO,	/* usb power */
     76
     77	/* MATRIX KEYPAD */
     78	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
     79	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
     80	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
     81	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
     82	GPIO103_KP_MKOUT_0,
     83	GPIO104_KP_MKOUT_1,
     84	GPIO105_KP_MKOUT_2,
     85
     86	/* LCD */
     87	GPIOxx_LCD_TFT_16BPP,
     88
     89	/* PWM */
     90	GPIO16_PWM0_OUT,
     91
     92	/* FFUART */
     93	GPIO34_FFUART_RXD,
     94	GPIO39_FFUART_TXD,
     95
     96	/* MISC */
     97	GPIO10_GPIO,	/* hotsync button */
     98	GPIO90_GPIO,	/* power detect */
     99	GPIO107_GPIO,	/* earphone detect */
    100};
    101
    102/******************************************************************************
    103 * GPIO keyboard
    104 ******************************************************************************/
    105#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
    106static const unsigned int palmt5_matrix_keys[] = {
    107	KEY(0, 0, KEY_POWER),
    108	KEY(0, 1, KEY_F1),
    109	KEY(0, 2, KEY_ENTER),
    110
    111	KEY(1, 0, KEY_F2),
    112	KEY(1, 1, KEY_F3),
    113	KEY(1, 2, KEY_F4),
    114
    115	KEY(2, 0, KEY_UP),
    116	KEY(2, 2, KEY_DOWN),
    117
    118	KEY(3, 0, KEY_RIGHT),
    119	KEY(3, 2, KEY_LEFT),
    120};
    121
    122static struct matrix_keymap_data palmt5_matrix_keymap_data = {
    123	.keymap			= palmt5_matrix_keys,
    124	.keymap_size		= ARRAY_SIZE(palmt5_matrix_keys),
    125};
    126
    127static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
    128	.matrix_key_rows	= 4,
    129	.matrix_key_cols	= 3,
    130	.matrix_keymap_data	= &palmt5_matrix_keymap_data,
    131
    132	.debounce_interval	= 30,
    133};
    134
    135static void __init palmt5_kpc_init(void)
    136{
    137	pxa_set_keypad_info(&palmt5_keypad_platform_data);
    138}
    139#else
    140static inline void palmt5_kpc_init(void) {}
    141#endif
    142
    143/******************************************************************************
    144 * GPIO keys
    145 ******************************************************************************/
    146#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
    147static struct gpio_keys_button palmt5_pxa_buttons[] = {
    148	{KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
    149};
    150
    151static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
    152	.buttons	= palmt5_pxa_buttons,
    153	.nbuttons	= ARRAY_SIZE(palmt5_pxa_buttons),
    154};
    155
    156static struct platform_device palmt5_pxa_keys = {
    157	.name	= "gpio-keys",
    158	.id	= -1,
    159	.dev	= {
    160		.platform_data = &palmt5_pxa_keys_data,
    161	},
    162};
    163
    164static void __init palmt5_keys_init(void)
    165{
    166	platform_device_register(&palmt5_pxa_keys);
    167}
    168#else
    169static inline void palmt5_keys_init(void) {}
    170#endif
    171
    172/******************************************************************************
    173 * Machine init
    174 ******************************************************************************/
    175static void __init palmt5_reserve(void)
    176{
    177	memblock_reserve(0xa0200000, 0x1000);
    178}
    179
    180static struct gpiod_lookup_table palmt5_mci_gpio_table = {
    181	.dev_id = "pxa2xx-mci.0",
    182	.table = {
    183		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_DETECT_N,
    184			    "cd", GPIO_ACTIVE_LOW),
    185		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_READONLY,
    186			    "wp", GPIO_ACTIVE_LOW),
    187		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMT5_SD_POWER,
    188			    "power", GPIO_ACTIVE_HIGH),
    189		{ },
    190	},
    191};
    192
    193static struct gpiod_lookup_table palmt5_wm97xx_touch_gpio_table = {
    194	.dev_id = "wm97xx-touch",
    195	.table = {
    196		GPIO_LOOKUP("gpio-pxa", 27, "touch", GPIO_ACTIVE_HIGH),
    197		{ },
    198	},
    199};
    200
    201static void __init palmt5_init(void)
    202{
    203	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
    204	pxa_set_ffuart_info(NULL);
    205	pxa_set_btuart_info(NULL);
    206	pxa_set_stuart_info(NULL);
    207
    208	palm27x_mmc_init(&palmt5_mci_gpio_table);
    209	gpiod_add_lookup_table(&palmt5_wm97xx_touch_gpio_table);
    210	palm27x_pm_init(PALMT5_STR_BASE);
    211	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
    212	palm27x_udc_init(GPIO_NR_PALMT5_USB_DETECT_N,
    213			GPIO_NR_PALMT5_USB_PULLUP, 1);
    214	palm27x_irda_init(GPIO_NR_PALMT5_IR_DISABLE);
    215	palm27x_ac97_init(PALMT5_BAT_MIN_VOLTAGE, PALMT5_BAT_MAX_VOLTAGE,
    216			GPIO_NR_PALMT5_EARPHONE_DETECT, 95);
    217	palm27x_pwm_init(GPIO_NR_PALMT5_BL_POWER, GPIO_NR_PALMT5_LCD_POWER);
    218	palm27x_power_init(GPIO_NR_PALMT5_POWER_DETECT, -1);
    219	palm27x_pmic_init();
    220	palmt5_kpc_init();
    221	palmt5_keys_init();
    222}
    223
    224MACHINE_START(PALMT5, "Palm Tungsten|T5")
    225	.atag_offset	= 0x100,
    226	.map_io		= pxa27x_map_io,
    227	.reserve	= palmt5_reserve,
    228	.nr_irqs	= PXA_NR_IRQS,
    229	.init_irq	= pxa27x_init_irq,
    230	.handle_irq	= pxa27x_handle_irq,
    231	.init_time	= pxa_timer_init,
    232	.init_machine	= palmt5_init,
    233	.restart	= pxa_restart,
    234MACHINE_END