forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
246 lines
5.6 KiB
246 lines
5.6 KiB
// SPDX-License-Identifier: GPL-2.0+ |
|
// |
|
// Copyright (c) 2006 American Microsystems Limited |
|
// David Anders <[email protected]> |
|
// |
|
// @History: |
|
// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by |
|
// Ben Dooks <[email protected]> |
|
|
|
#include <linux/kernel.h> |
|
#include <linux/types.h> |
|
#include <linux/interrupt.h> |
|
#include <linux/list.h> |
|
#include <linux/timer.h> |
|
#include <linux/init.h> |
|
#include <linux/gpio/machine.h> |
|
#include <linux/gpio.h> |
|
#include <linux/device.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/proc_fs.h> |
|
#include <linux/serial_core.h> |
|
#include <linux/serial_s3c.h> |
|
#include <linux/io.h> |
|
|
|
#include <asm/mach/arch.h> |
|
#include <asm/mach/map.h> |
|
#include <asm/mach/irq.h> |
|
#include <asm/mach/flash.h> |
|
|
|
#include <asm/irq.h> |
|
#include <asm/mach-types.h> |
|
#include <linux/platform_data/fb-s3c2410.h> |
|
|
|
#include "regs-gpio.h" |
|
#include "gpio-samsung.h" |
|
|
|
#include <linux/platform_data/i2c-s3c2410.h> |
|
#include "devs.h" |
|
#include "cpu.h" |
|
#include "gpio-cfg.h" |
|
|
|
#include <linux/mtd/mtd.h> |
|
#include <linux/mtd/partitions.h> |
|
#include <linux/mtd/map.h> |
|
#include <linux/mtd/physmap.h> |
|
|
|
#include "s3c24xx.h" |
|
|
|
static struct resource amlm5900_nor_resource = |
|
DEFINE_RES_MEM(0x00000000, SZ_16M); |
|
|
|
static struct mtd_partition amlm5900_mtd_partitions[] = { |
|
{ |
|
.name = "System", |
|
.size = 0x240000, |
|
.offset = 0, |
|
.mask_flags = MTD_WRITEABLE, /* force read-only */ |
|
}, { |
|
.name = "Kernel", |
|
.size = 0x100000, |
|
.offset = MTDPART_OFS_APPEND, |
|
}, { |
|
.name = "Ramdisk", |
|
.size = 0x300000, |
|
.offset = MTDPART_OFS_APPEND, |
|
}, { |
|
.name = "JFFS2", |
|
.size = 0x9A0000, |
|
.offset = MTDPART_OFS_APPEND, |
|
}, { |
|
.name = "Settings", |
|
.size = MTDPART_SIZ_FULL, |
|
.offset = MTDPART_OFS_APPEND, |
|
} |
|
}; |
|
|
|
static struct physmap_flash_data amlm5900_flash_data = { |
|
.width = 2, |
|
.parts = amlm5900_mtd_partitions, |
|
.nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions), |
|
}; |
|
|
|
static struct platform_device amlm5900_device_nor = { |
|
.name = "physmap-flash", |
|
.id = 0, |
|
.dev = { |
|
.platform_data = &amlm5900_flash_data, |
|
}, |
|
.num_resources = 1, |
|
.resource = &amlm5900_nor_resource, |
|
}; |
|
|
|
static struct map_desc amlm5900_iodesc[] __initdata = { |
|
}; |
|
|
|
#define UCON S3C2410_UCON_DEFAULT |
|
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB |
|
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
|
|
|
static struct s3c2410_uartcfg amlm5900_uartcfgs[] = { |
|
[0] = { |
|
.hwport = 0, |
|
.flags = 0, |
|
.ucon = UCON, |
|
.ulcon = ULCON, |
|
.ufcon = UFCON, |
|
}, |
|
[1] = { |
|
.hwport = 1, |
|
.flags = 0, |
|
.ucon = UCON, |
|
.ulcon = ULCON, |
|
.ufcon = UFCON, |
|
}, |
|
[2] = { |
|
.hwport = 2, |
|
.flags = 0, |
|
.ucon = UCON, |
|
.ulcon = ULCON, |
|
.ufcon = UFCON, |
|
} |
|
}; |
|
|
|
static struct gpiod_lookup_table amlm5900_mmc_gpio_table = { |
|
.dev_id = "s3c2410-sdi", |
|
.table = { |
|
/* bus pins */ |
|
GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static struct platform_device *amlm5900_devices[] __initdata = { |
|
#ifdef CONFIG_FB_S3C2410 |
|
&s3c_device_lcd, |
|
#endif |
|
&s3c_device_adc, |
|
&s3c_device_wdt, |
|
&s3c_device_i2c0, |
|
&s3c_device_ohci, |
|
&s3c_device_rtc, |
|
&s3c_device_usbgadget, |
|
&s3c_device_sdi, |
|
&amlm5900_device_nor, |
|
}; |
|
|
|
static void __init amlm5900_map_io(void) |
|
{ |
|
s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); |
|
s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); |
|
s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); |
|
} |
|
|
|
static void __init amlm5900_init_time(void) |
|
{ |
|
s3c2410_init_clocks(12000000); |
|
s3c24xx_timer_init(); |
|
} |
|
|
|
#ifdef CONFIG_FB_S3C2410 |
|
static struct s3c2410fb_display __initdata amlm5900_lcd_info = { |
|
.width = 160, |
|
.height = 160, |
|
|
|
.type = S3C2410_LCDCON1_STN4, |
|
|
|
.pixclock = 680000, /* HCLK = 100MHz */ |
|
.xres = 160, |
|
.yres = 160, |
|
.bpp = 4, |
|
.left_margin = 1 << (4 + 3), |
|
.right_margin = 8 << 3, |
|
.hsync_len = 48, |
|
.upper_margin = 0, |
|
.lower_margin = 0, |
|
|
|
.lcdcon5 = 0x00000001, |
|
}; |
|
|
|
static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = { |
|
|
|
.displays = &amlm5900_lcd_info, |
|
.num_displays = 1, |
|
.default_display = 0, |
|
|
|
.gpccon = 0xaaaaaaaa, |
|
.gpccon_mask = 0xffffffff, |
|
.gpccon_reg = S3C2410_GPCCON, |
|
.gpcup = 0x0000ffff, |
|
.gpcup_mask = 0xffffffff, |
|
.gpcup_reg = S3C2410_GPCUP, |
|
|
|
.gpdcon = 0xaaaaaaaa, |
|
.gpdcon_mask = 0xffffffff, |
|
.gpdcon_reg = S3C2410_GPDCON, |
|
.gpdup = 0x0000ffff, |
|
.gpdup_mask = 0xffffffff, |
|
.gpdup_reg = S3C2410_GPDUP, |
|
}; |
|
#endif |
|
|
|
static irqreturn_t |
|
amlm5900_wake_interrupt(int irq, void *ignored) |
|
{ |
|
return IRQ_HANDLED; |
|
} |
|
|
|
static void amlm5900_init_pm(void) |
|
{ |
|
int ret = 0; |
|
|
|
ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt, |
|
IRQF_TRIGGER_RISING | IRQF_SHARED, |
|
"amlm5900_wakeup", &amlm5900_wake_interrupt); |
|
if (ret != 0) { |
|
printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret); |
|
} else { |
|
enable_irq_wake(IRQ_EINT9); |
|
/* configure the suspend/resume status pin */ |
|
s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); |
|
s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); |
|
} |
|
} |
|
static void __init amlm5900_init(void) |
|
{ |
|
amlm5900_init_pm(); |
|
#ifdef CONFIG_FB_S3C2410 |
|
s3c24xx_fb_set_platdata(&amlm5900_fb_info); |
|
#endif |
|
s3c_i2c0_set_platdata(NULL); |
|
gpiod_add_lookup_table(&amlm5900_mmc_gpio_table); |
|
platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices)); |
|
} |
|
|
|
MACHINE_START(AML_M5900, "AML_M5900") |
|
.atag_offset = 0x100, |
|
.map_io = amlm5900_map_io, |
|
.init_irq = s3c2410_init_irq, |
|
.init_machine = amlm5900_init, |
|
.init_time = amlm5900_init_time, |
|
MACHINE_END
|
|
|