mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 05:36:39 +07:00
7a648256b2
Several boards use always the same pattern with pxamci : request gpio, request irq for that gpio to detect MMC card insertion, request gpio for read-only mode detection, etc ... Now that pxamci provides platform_data to describe simple gpio management of the MMC external controls, use it. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: rpurdie@rpsys.net Cc: drwyrm@gmail.com Cc: sakoman@gmail.com Cc: marek.vasut@gmail.com Cc: s.hauer@pengutronix.de Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
473 lines
10 KiB
C
473 lines
10 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/cm-x300.c
|
|
*
|
|
* Support for the CompuLab CM-X300 modules
|
|
*
|
|
* Copyright (C) 2008 CompuLab Ltd.
|
|
*
|
|
* Mike Rapoport <mike@compulab.co.il>
|
|
*
|
|
* 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 <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/gpio.h>
|
|
#include <linux/dm9000.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/rtc-v3020.h>
|
|
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c/pca953x.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/setup.h>
|
|
|
|
#include <mach/pxa300.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/ohci.h>
|
|
#include <plat/i2c.h>
|
|
#include <mach/pxa3xx_nand.h>
|
|
|
|
#include <asm/mach/map.h>
|
|
|
|
#include "generic.h"
|
|
|
|
#define CM_X300_ETH_PHYS 0x08000010
|
|
|
|
#define GPIO82_MMC2_IRQ (82)
|
|
#define GPIO85_MMC2_WP (85)
|
|
|
|
#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
|
|
|
|
#define GPIO95_RTC_CS (95)
|
|
#define GPIO96_RTC_WR (96)
|
|
#define GPIO97_RTC_RD (97)
|
|
#define GPIO98_RTC_IO (98)
|
|
|
|
static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
|
|
/* LCD */
|
|
GPIO54_LCD_LDD_0,
|
|
GPIO55_LCD_LDD_1,
|
|
GPIO56_LCD_LDD_2,
|
|
GPIO57_LCD_LDD_3,
|
|
GPIO58_LCD_LDD_4,
|
|
GPIO59_LCD_LDD_5,
|
|
GPIO60_LCD_LDD_6,
|
|
GPIO61_LCD_LDD_7,
|
|
GPIO62_LCD_LDD_8,
|
|
GPIO63_LCD_LDD_9,
|
|
GPIO64_LCD_LDD_10,
|
|
GPIO65_LCD_LDD_11,
|
|
GPIO66_LCD_LDD_12,
|
|
GPIO67_LCD_LDD_13,
|
|
GPIO68_LCD_LDD_14,
|
|
GPIO69_LCD_LDD_15,
|
|
GPIO72_LCD_FCLK,
|
|
GPIO73_LCD_LCLK,
|
|
GPIO74_LCD_PCLK,
|
|
GPIO75_LCD_BIAS,
|
|
|
|
/* BTUART */
|
|
GPIO111_UART2_RTS,
|
|
GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
|
|
GPIO113_UART2_TXD,
|
|
GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
|
|
|
|
/* STUART */
|
|
GPIO109_UART3_TXD,
|
|
GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
|
|
|
|
/* AC97 */
|
|
GPIO23_AC97_nACRESET,
|
|
GPIO24_AC97_SYSCLK,
|
|
GPIO29_AC97_BITCLK,
|
|
GPIO25_AC97_SDATA_IN_0,
|
|
GPIO27_AC97_SDATA_OUT,
|
|
GPIO28_AC97_SYNC,
|
|
|
|
/* Keypad */
|
|
GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
|
|
GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
|
|
GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
|
|
GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
|
|
GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
|
|
GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
|
|
GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
|
|
GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
|
|
GPIO121_KP_MKOUT_0,
|
|
GPIO122_KP_MKOUT_1,
|
|
GPIO123_KP_MKOUT_2,
|
|
GPIO124_KP_MKOUT_3,
|
|
GPIO125_KP_MKOUT_4,
|
|
GPIO4_2_KP_MKOUT_5,
|
|
|
|
/* MMC1 */
|
|
GPIO3_MMC1_DAT0,
|
|
GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
|
|
GPIO5_MMC1_DAT2,
|
|
GPIO6_MMC1_DAT3,
|
|
GPIO7_MMC1_CLK,
|
|
GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
|
|
|
|
/* MMC2 */
|
|
GPIO9_MMC2_DAT0,
|
|
GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
|
|
GPIO11_MMC2_DAT2,
|
|
GPIO12_MMC2_DAT3,
|
|
GPIO13_MMC2_CLK,
|
|
GPIO14_MMC2_CMD,
|
|
|
|
/* FFUART */
|
|
GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
|
|
GPIO31_UART1_TXD,
|
|
GPIO32_UART1_CTS,
|
|
GPIO37_UART1_RTS,
|
|
GPIO33_UART1_DCD,
|
|
GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
|
|
GPIO35_UART1_RI,
|
|
GPIO36_UART1_DTR,
|
|
|
|
/* GPIOs */
|
|
GPIO79_GPIO, /* LED */
|
|
GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
|
|
GPIO85_GPIO, /* MMC WP */
|
|
GPIO99_GPIO, /* Ethernet IRQ */
|
|
|
|
/* RTC GPIOs */
|
|
GPIO95_GPIO, /* RTC CS */
|
|
GPIO96_GPIO, /* RTC WR */
|
|
GPIO97_GPIO, /* RTC RD */
|
|
GPIO98_GPIO, /* RTC IO */
|
|
|
|
/* Standard I2C */
|
|
GPIO21_I2C_SCL,
|
|
GPIO22_I2C_SDA,
|
|
};
|
|
|
|
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
|
|
static struct resource dm9000_resources[] = {
|
|
[0] = {
|
|
.start = CM_X300_ETH_PHYS,
|
|
.end = CM_X300_ETH_PHYS + 0x3,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = CM_X300_ETH_PHYS + 0x4,
|
|
.end = CM_X300_ETH_PHYS + 0x4 + 500,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[2] = {
|
|
.start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
|
|
.end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
|
|
}
|
|
};
|
|
|
|
static struct dm9000_plat_data cm_x300_dm9000_platdata = {
|
|
.flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
|
|
};
|
|
|
|
static struct platform_device dm9000_device = {
|
|
.name = "dm9000",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(dm9000_resources),
|
|
.resource = dm9000_resources,
|
|
.dev = {
|
|
.platform_data = &cm_x300_dm9000_platdata,
|
|
}
|
|
|
|
};
|
|
|
|
static void __init cm_x300_init_dm9000(void)
|
|
{
|
|
platform_device_register(&dm9000_device);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_dm9000(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
|
|
static struct pxafb_mode_info cm_x300_lcd_modes[] = {
|
|
[0] = {
|
|
.pixclock = 38000,
|
|
.bpp = 16,
|
|
.xres = 480,
|
|
.yres = 640,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.left_margin = 8,
|
|
.upper_margin = 0,
|
|
.right_margin = 24,
|
|
.lower_margin = 4,
|
|
.cmap_greyscale = 0,
|
|
},
|
|
[1] = {
|
|
.pixclock = 153800,
|
|
.bpp = 16,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.hsync_len = 8,
|
|
.vsync_len = 2,
|
|
.left_margin = 8,
|
|
.upper_margin = 2,
|
|
.right_margin = 88,
|
|
.lower_margin = 2,
|
|
.cmap_greyscale = 0,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mach_info cm_x300_lcd = {
|
|
.modes = cm_x300_lcd_modes,
|
|
.num_modes = 2,
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
};
|
|
|
|
static void __init cm_x300_init_lcd(void)
|
|
{
|
|
set_pxa_fb_info(&cm_x300_lcd);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_lcd(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
|
|
static struct mtd_partition cm_x300_nand_partitions[] = {
|
|
[0] = {
|
|
.name = "OBM",
|
|
.offset = 0,
|
|
.size = SZ_256K,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
[1] = {
|
|
.name = "U-Boot",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_256K,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
[2] = {
|
|
.name = "Environment",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_256K,
|
|
},
|
|
[3] = {
|
|
.name = "reserved",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_256K + SZ_1M,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
},
|
|
[4] = {
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_4M,
|
|
},
|
|
[5] = {
|
|
.name = "fs",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
|
|
.enable_arbiter = 1,
|
|
.keep_config = 1,
|
|
.parts = cm_x300_nand_partitions,
|
|
.nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
|
|
};
|
|
|
|
static void __init cm_x300_init_nand(void)
|
|
{
|
|
pxa3xx_set_nand_info(&cm_x300_nand_info);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_nand(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
|
|
/* The first MMC slot of CM-X300 is hardwired to Libertas card and has
|
|
no detection/ro pins */
|
|
static int cm_x300_mci_init(struct device *dev,
|
|
irq_handler_t cm_x300_detect_int,
|
|
void *data)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void cm_x300_mci_exit(struct device *dev, void *data)
|
|
{
|
|
}
|
|
|
|
static struct pxamci_platform_data cm_x300_mci_platform_data = {
|
|
.detect_delay = 20,
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.init = cm_x300_mci_init,
|
|
.exit = cm_x300_mci_exit,
|
|
.gpio_card_detect = -1,
|
|
.gpio_card_ro = -1,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
static struct pxamci_platform_data cm_x300_mci2_platform_data = {
|
|
.detect_delay = 20,
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.gpio_card_detect = GPIO82_MMC2_IRQ,
|
|
.gpio_card_ro = GPIO85_MMC2_WP,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
static void __init cm_x300_init_mmc(void)
|
|
{
|
|
pxa_set_mci_info(&cm_x300_mci_platform_data);
|
|
pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_mmc(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
|
|
static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
|
|
.port_mode = PMM_PERPORT_MODE,
|
|
.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
|
|
};
|
|
|
|
static void __init cm_x300_init_ohci(void)
|
|
{
|
|
pxa_set_ohci_info(&cm_x300_ohci_platform_data);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_ohci(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
static struct gpio_led cm_x300_leds[] = {
|
|
[0] = {
|
|
.name = "cm-x300:green",
|
|
.default_trigger = "heartbeat",
|
|
.gpio = 79,
|
|
.active_low = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
|
|
.num_leds = ARRAY_SIZE(cm_x300_leds),
|
|
.leds = cm_x300_leds,
|
|
};
|
|
|
|
static struct platform_device cm_x300_led_device = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &cm_x300_gpio_led_pdata,
|
|
},
|
|
};
|
|
|
|
static void __init cm_x300_init_leds(void)
|
|
{
|
|
platform_device_register(&cm_x300_led_device);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_leds(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
|
|
/* PCA9555 */
|
|
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
|
|
.gpio_base = 128,
|
|
};
|
|
|
|
static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
|
|
.gpio_base = 144,
|
|
};
|
|
|
|
static struct i2c_board_info cm_x300_gpio_ext_info[] = {
|
|
[0] = {
|
|
I2C_BOARD_INFO("pca9555", 0x24),
|
|
.platform_data = &cm_x300_gpio_ext_pdata_0,
|
|
},
|
|
[1] = {
|
|
I2C_BOARD_INFO("pca9555", 0x25),
|
|
.platform_data = &cm_x300_gpio_ext_pdata_1,
|
|
},
|
|
};
|
|
|
|
static void __init cm_x300_init_i2c(void)
|
|
{
|
|
pxa_set_i2c_info(NULL);
|
|
i2c_register_board_info(0, cm_x300_gpio_ext_info,
|
|
ARRAY_SIZE(cm_x300_gpio_ext_info));
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_i2c(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
|
|
struct v3020_platform_data cm_x300_v3020_pdata = {
|
|
.use_gpio = 1,
|
|
.gpio_cs = GPIO95_RTC_CS,
|
|
.gpio_wr = GPIO96_RTC_WR,
|
|
.gpio_rd = GPIO97_RTC_RD,
|
|
.gpio_io = GPIO98_RTC_IO,
|
|
};
|
|
|
|
static struct platform_device cm_x300_rtc_device = {
|
|
.name = "v3020",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &cm_x300_v3020_pdata,
|
|
}
|
|
};
|
|
|
|
static void __init cm_x300_init_rtc(void)
|
|
{
|
|
platform_device_register(&cm_x300_rtc_device);
|
|
}
|
|
#else
|
|
static inline void cm_x300_init_rtc(void) {}
|
|
#endif
|
|
|
|
static void __init cm_x300_init(void)
|
|
{
|
|
/* board-processor specific GPIO initialization */
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
|
|
|
|
cm_x300_init_dm9000();
|
|
cm_x300_init_lcd();
|
|
cm_x300_init_ohci();
|
|
cm_x300_init_mmc();
|
|
cm_x300_init_nand();
|
|
cm_x300_init_leds();
|
|
cm_x300_init_i2c();
|
|
cm_x300_init_rtc();
|
|
}
|
|
|
|
static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
|
|
char **cmdline, struct meminfo *mi)
|
|
{
|
|
mi->nr_banks = 2;
|
|
mi->bank[0].start = 0xa0000000;
|
|
mi->bank[0].node = 0;
|
|
mi->bank[0].size = (64*1024*1024);
|
|
mi->bank[1].start = 0xc0000000;
|
|
mi->bank[1].node = 0;
|
|
mi->bank[1].size = (64*1024*1024);
|
|
}
|
|
|
|
MACHINE_START(CM_X300, "CM-X300 module")
|
|
.phys_io = 0x40000000,
|
|
.boot_params = 0xa0000100,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa3xx_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = cm_x300_init,
|
|
.fixup = cm_x300_fixup,
|
|
MACHINE_END
|