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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zylonite.c (12645B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * linux/arch/arm/mach-pxa/zylonite.c
      4 *
      5 * Support for the PXA3xx Development Platform (aka Zylonite)
      6 *
      7 * Copyright (C) 2006 Marvell International Ltd.
      8 *
      9 * 2007-09-04: eric miao <eric.miao@marvell.com>
     10 *             rewrite to align with latest kernel
     11 */
     12
     13#include <linux/module.h>
     14#include <linux/kernel.h>
     15#include <linux/interrupt.h>
     16#include <linux/leds.h>
     17#include <linux/init.h>
     18#include <linux/platform_device.h>
     19#include <linux/gpio/machine.h>
     20#include <linux/pwm.h>
     21#include <linux/pwm_backlight.h>
     22#include <linux/smc91x.h>
     23#include <linux/soc/pxa/cpu.h>
     24
     25#include <asm/mach-types.h>
     26#include <asm/mach/arch.h>
     27#include "pxa3xx.h"
     28#include <linux/platform_data/asoc-pxa.h>
     29#include <linux/platform_data/video-pxafb.h>
     30#include "zylonite.h"
     31#include <linux/platform_data/mmc-pxamci.h>
     32#include <linux/platform_data/usb-ohci-pxa27x.h>
     33#include <linux/platform_data/keypad-pxa27x.h>
     34#include <linux/platform_data/mtd-nand-pxa3xx.h>
     35#include "mfp.h"
     36
     37#include "devices.h"
     38#include "generic.h"
     39
     40int gpio_eth_irq;
     41int gpio_debug_led1;
     42int gpio_debug_led2;
     43
     44int wm9713_irq;
     45
     46int lcd_id;
     47int lcd_orientation;
     48
     49static struct resource smc91x_resources[] = {
     50	[0] = {
     51		.start	= ZYLONITE_ETH_PHYS + 0x300,
     52		.end	= ZYLONITE_ETH_PHYS + 0xfffff,
     53		.flags	= IORESOURCE_MEM,
     54	},
     55	[1] = {
     56		.start	= -1,	/* for run-time assignment */
     57		.end	= -1,
     58		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
     59	}
     60};
     61
     62static struct smc91x_platdata zylonite_smc91x_info = {
     63	.flags	= SMC91X_USE_8BIT | SMC91X_USE_16BIT |
     64		  SMC91X_NOWAIT | SMC91X_USE_DMA,
     65};
     66
     67static struct platform_device smc91x_device = {
     68	.name		= "smc91x",
     69	.id		= 0,
     70	.num_resources	= ARRAY_SIZE(smc91x_resources),
     71	.resource	= smc91x_resources,
     72	.dev		= {
     73		.platform_data = &zylonite_smc91x_info,
     74	},
     75};
     76
     77#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
     78static struct gpio_led zylonite_debug_leds[] = {
     79	[0] = {
     80		.name			= "zylonite:yellow:1",
     81		.default_trigger	= "heartbeat",
     82	},
     83	[1] = {
     84		.name			= "zylonite:yellow:2",
     85		.default_trigger	= "default-on",
     86	},
     87};
     88
     89static struct gpio_led_platform_data zylonite_debug_leds_info = {
     90	.leds		= zylonite_debug_leds,
     91	.num_leds	= ARRAY_SIZE(zylonite_debug_leds),
     92};
     93
     94static struct platform_device zylonite_device_leds = {
     95	.name		= "leds-gpio",
     96	.id		= -1,
     97	.dev		= {
     98		.platform_data = &zylonite_debug_leds_info,
     99	}
    100};
    101
    102static void __init zylonite_init_leds(void)
    103{
    104	zylonite_debug_leds[0].gpio = gpio_debug_led1;
    105	zylonite_debug_leds[1].gpio = gpio_debug_led2;
    106
    107	platform_device_register(&zylonite_device_leds);
    108}
    109#else
    110static inline void zylonite_init_leds(void) {}
    111#endif
    112
    113#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
    114static struct pwm_lookup zylonite_pwm_lookup[] = {
    115	PWM_LOOKUP("pxa27x-pwm.1", 1, "pwm-backlight.0", NULL, 10000,
    116		   PWM_POLARITY_NORMAL),
    117};
    118
    119static struct platform_pwm_backlight_data zylonite_backlight_data = {
    120	.max_brightness	= 100,
    121	.dft_brightness	= 100,
    122};
    123
    124static struct platform_device zylonite_backlight_device = {
    125	.name		= "pwm-backlight",
    126	.dev		= {
    127		.parent = &pxa27x_device_pwm1.dev,
    128		.platform_data	= &zylonite_backlight_data,
    129	},
    130};
    131
    132static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
    133	.pixclock		= 110000,
    134	.xres			= 240,
    135	.yres			= 320,
    136	.bpp			= 16,
    137	.hsync_len		= 4,
    138	.left_margin		= 6,
    139	.right_margin		= 4,
    140	.vsync_len		= 2,
    141	.upper_margin		= 2,
    142	.lower_margin		= 3,
    143	.sync			= FB_SYNC_VERT_HIGH_ACT,
    144};
    145
    146static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
    147	.pixclock		= 50000,
    148	.xres			= 640,
    149	.yres			= 480,
    150	.bpp			= 16,
    151	.hsync_len		= 1,
    152	.left_margin		= 0x9f,
    153	.right_margin		= 1,
    154	.vsync_len		= 44,
    155	.upper_margin		= 0,
    156	.lower_margin		= 0,
    157	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
    158};
    159
    160static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
    161	.num_modes      	= 1,
    162	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
    163};
    164
    165static struct pxafb_mode_info sharp_ls037_modes[] = {
    166	[0] = {
    167		.pixclock	= 158000,
    168		.xres		= 240,
    169		.yres		= 320,
    170		.bpp		= 16,
    171		.hsync_len	= 4,
    172		.left_margin	= 39,
    173		.right_margin	= 39,
    174		.vsync_len	= 1,
    175		.upper_margin	= 2,
    176		.lower_margin	= 3,
    177		.sync		= 0,
    178	},
    179	[1] = {
    180		.pixclock	= 39700,
    181		.xres		= 480,
    182		.yres		= 640,
    183		.bpp		= 16,
    184		.hsync_len	= 8,
    185		.left_margin	= 81,
    186		.right_margin	= 81,
    187		.vsync_len	= 1,
    188		.upper_margin	= 2,
    189		.lower_margin	= 7,
    190		.sync		= 0,
    191	},
    192};
    193
    194static struct pxafb_mach_info zylonite_sharp_lcd_info = {
    195	.modes			= sharp_ls037_modes,
    196	.num_modes		= 2,
    197	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
    198};
    199
    200static void __init zylonite_init_lcd(void)
    201{
    202	pwm_add_table(zylonite_pwm_lookup, ARRAY_SIZE(zylonite_pwm_lookup));
    203	platform_device_register(&zylonite_backlight_device);
    204
    205	if (lcd_id & 0x20) {
    206		pxa_set_fb_info(NULL, &zylonite_sharp_lcd_info);
    207		return;
    208	}
    209
    210	/* legacy LCD panels, it would be handy here if LCD panel type can
    211	 * be decided at run-time
    212	 */
    213	if (1)
    214		zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
    215	else
    216		zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
    217
    218	pxa_set_fb_info(NULL, &zylonite_toshiba_lcd_info);
    219}
    220#else
    221static inline void zylonite_init_lcd(void) {}
    222#endif
    223
    224#if defined(CONFIG_MMC)
    225static struct pxamci_platform_data zylonite_mci_platform_data = {
    226	.detect_delay_ms= 200,
    227	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
    228};
    229
    230#define PCA9539A_MCI_CD 0
    231#define PCA9539A_MCI1_CD 1
    232#define PCA9539A_MCI_WP 2
    233#define PCA9539A_MCI1_WP 3
    234#define PCA9539A_MCI3_CD 30
    235#define PCA9539A_MCI3_WP 31
    236
    237static struct gpiod_lookup_table zylonite_mci_gpio_table = {
    238	.dev_id = "pxa2xx-mci.0",
    239	.table = {
    240		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_CD,
    241			    "cd", GPIO_ACTIVE_LOW),
    242		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_WP,
    243			    "wp", GPIO_ACTIVE_LOW),
    244		{ },
    245	},
    246};
    247
    248static struct pxamci_platform_data zylonite_mci2_platform_data = {
    249	.detect_delay_ms= 200,
    250	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
    251};
    252
    253static struct gpiod_lookup_table zylonite_mci2_gpio_table = {
    254	.dev_id = "pxa2xx-mci.1",
    255	.table = {
    256		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_CD,
    257			    "cd", GPIO_ACTIVE_LOW),
    258		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_WP,
    259			    "wp", GPIO_ACTIVE_LOW),
    260		{ },
    261	},
    262};
    263
    264static struct pxamci_platform_data zylonite_mci3_platform_data = {
    265	.detect_delay_ms= 200,
    266	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
    267};
    268
    269static struct gpiod_lookup_table zylonite_mci3_gpio_table = {
    270	.dev_id = "pxa2xx-mci.2",
    271	.table = {
    272		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_CD,
    273			    "cd", GPIO_ACTIVE_LOW),
    274		GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_WP,
    275			    "wp", GPIO_ACTIVE_LOW),
    276		{ },
    277	},
    278};
    279
    280static void __init zylonite_init_mmc(void)
    281{
    282	gpiod_add_lookup_table(&zylonite_mci_gpio_table);
    283	pxa_set_mci_info(&zylonite_mci_platform_data);
    284	gpiod_add_lookup_table(&zylonite_mci2_gpio_table);
    285	pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
    286	if (cpu_is_pxa310()) {
    287		gpiod_add_lookup_table(&zylonite_mci3_gpio_table);
    288		pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
    289	}
    290}
    291#else
    292static inline void zylonite_init_mmc(void) {}
    293#endif
    294
    295#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
    296static const unsigned int zylonite_matrix_key_map[] = {
    297	/* KEY(row, col, key_code) */
    298	KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
    299	KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
    300	KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
    301	KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
    302	KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
    303	KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
    304	KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
    305
    306	KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
    307	KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
    308	KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
    309
    310	KEY(4, 5, KEY_SPACE),
    311	KEY(5, 3, KEY_KPASTERISK), 	/* * */
    312	KEY(5, 4, KEY_KPDOT), 		/* #" */
    313
    314	KEY(0, 7, KEY_UP),
    315	KEY(1, 7, KEY_DOWN),
    316	KEY(2, 7, KEY_LEFT),
    317	KEY(3, 7, KEY_RIGHT),
    318	KEY(2, 6, KEY_HOME),
    319	KEY(3, 6, KEY_END),
    320	KEY(6, 4, KEY_DELETE),
    321	KEY(6, 6, KEY_BACK),
    322	KEY(6, 3, KEY_CAPSLOCK),	/* KEY_LEFTSHIFT), */
    323
    324	KEY(4, 6, KEY_ENTER),		/* scroll push */
    325	KEY(5, 7, KEY_ENTER),		/* keypad action */
    326
    327	KEY(0, 4, KEY_EMAIL),
    328	KEY(5, 6, KEY_SEND),
    329	KEY(4, 0, KEY_CALENDAR),
    330	KEY(7, 6, KEY_RECORD),
    331	KEY(6, 7, KEY_VOLUMEUP),
    332	KEY(7, 7, KEY_VOLUMEDOWN),
    333
    334	KEY(0, 6, KEY_F22),	/* soft1 */
    335	KEY(1, 6, KEY_F23),	/* soft2 */
    336	KEY(0, 3, KEY_AUX),	/* contact */
    337};
    338
    339static struct matrix_keymap_data zylonite_matrix_keymap_data = {
    340	.keymap			= zylonite_matrix_key_map,
    341	.keymap_size		= ARRAY_SIZE(zylonite_matrix_key_map),
    342};
    343
    344static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
    345	.matrix_key_rows	= 8,
    346	.matrix_key_cols	= 8,
    347	.matrix_keymap_data	= &zylonite_matrix_keymap_data,
    348
    349	.enable_rotary0		= 1,
    350	.rotary0_up_key		= KEY_UP,
    351	.rotary0_down_key	= KEY_DOWN,
    352
    353	.debounce_interval	= 30,
    354};
    355
    356static void __init zylonite_init_keypad(void)
    357{
    358	pxa_set_keypad_info(&zylonite_keypad_info);
    359}
    360#else
    361static inline void zylonite_init_keypad(void) {}
    362#endif
    363
    364#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
    365static struct mtd_partition zylonite_nand_partitions[] = {
    366	[0] = {
    367		.name        = "Bootloader",
    368		.offset      = 0,
    369		.size        = 0x060000,
    370		.mask_flags  = MTD_WRITEABLE, /* force read-only */
    371	},
    372	[1] = {
    373		.name        = "Kernel",
    374		.offset      = 0x060000,
    375		.size        = 0x200000,
    376		.mask_flags  = MTD_WRITEABLE, /* force read-only */
    377	},
    378	[2] = {
    379		.name        = "Filesystem",
    380		.offset      = 0x0260000,
    381		.size        = 0x3000000,     /* 48M - rootfs */
    382	},
    383	[3] = {
    384		.name        = "MassStorage",
    385		.offset      = 0x3260000,
    386		.size        = 0x3d40000,
    387	},
    388	[4] = {
    389		.name        = "BBT",
    390		.offset      = 0x6FA0000,
    391		.size        = 0x80000,
    392		.mask_flags  = MTD_WRITEABLE,  /* force read-only */
    393	},
    394	/* NOTE: we reserve some blocks at the end of the NAND flash for
    395	 * bad block management, and the max number of relocation blocks
    396	 * differs on different platforms. Please take care with it when
    397	 * defining the partition table.
    398	 */
    399};
    400
    401static struct pxa3xx_nand_platform_data zylonite_nand_info = {
    402	.parts		= zylonite_nand_partitions,
    403	.nr_parts	= ARRAY_SIZE(zylonite_nand_partitions),
    404};
    405
    406static void __init zylonite_init_nand(void)
    407{
    408	pxa3xx_set_nand_info(&zylonite_nand_info);
    409}
    410#else
    411static inline void zylonite_init_nand(void) {}
    412#endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */
    413
    414#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
    415static struct pxaohci_platform_data zylonite_ohci_info = {
    416	.port_mode	= PMM_PERPORT_MODE,
    417	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
    418			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
    419};
    420
    421static void __init zylonite_init_ohci(void)
    422{
    423	pxa_set_ohci_info(&zylonite_ohci_info);
    424}
    425#else
    426static inline void zylonite_init_ohci(void) {}
    427#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
    428
    429static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio15_table = {
    430	.dev_id = "wm97xx-touch.0",
    431	.table = {
    432		GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO15),
    433			    "touch", GPIO_ACTIVE_LOW),
    434		{ },
    435	},
    436};
    437
    438static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio26_table = {
    439	.dev_id = "wm97xx-touch.0",
    440	.table = {
    441		GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO26),
    442			    "touch", GPIO_ACTIVE_LOW),
    443		{ },
    444	},
    445};
    446
    447static void __init zylonite_init_wm97xx_touch(void)
    448{
    449	if (!IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE))
    450		return;
    451
    452	if (cpu_is_pxa320())
    453		gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio15_table);
    454	else
    455		gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio26_table);
    456}
    457
    458static void __init zylonite_init(void)
    459{
    460	pxa_set_ffuart_info(NULL);
    461	pxa_set_btuart_info(NULL);
    462	pxa_set_stuart_info(NULL);
    463
    464	/* board-processor specific initialization */
    465	zylonite_pxa300_init();
    466	zylonite_pxa320_init();
    467
    468	/*
    469	 * Note: We depend that the bootloader set
    470	 * the correct value to MSC register for SMC91x.
    471	 */
    472	smc91x_resources[1].start = PXA_GPIO_TO_IRQ(gpio_eth_irq);
    473	smc91x_resources[1].end   = PXA_GPIO_TO_IRQ(gpio_eth_irq);
    474	platform_device_register(&smc91x_device);
    475
    476	pxa_set_ac97_info(NULL);
    477	zylonite_init_lcd();
    478	zylonite_init_mmc();
    479	zylonite_init_keypad();
    480	zylonite_init_nand();
    481	zylonite_init_leds();
    482	zylonite_init_ohci();
    483	zylonite_init_wm97xx_touch();
    484}
    485
    486MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
    487	.atag_offset	= 0x100,
    488	.map_io		= pxa3xx_map_io,
    489	.nr_irqs	= ZYLONITE_NR_IRQS,
    490	.init_irq	= pxa3xx_init_irq,
    491	.handle_irq	= pxa3xx_handle_irq,
    492	.init_time	= pxa_timer_init,
    493	.init_machine	= zylonite_init,
    494	.restart	= pxa_restart,
    495MACHINE_END