// SPDX-License-Identifier: GPL-2.0+ // // Copyright (c) 2006 American Microsystems Limited // David Anders // // @History: // derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by // Ben Dooks #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "regs-gpio.h" #include "gpio-samsung.h" #include #include "devs.h" #include "cpu.h" #include "gpio-cfg.h" #include #include #include #include #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, .nr_irqs = NR_IRQS_S3C2410, .map_io = amlm5900_map_io, .nr_irqs = NR_IRQS_S3C2410, .init_irq = s3c2410_init_irq, .init_machine = amlm5900_init, .init_time = amlm5900_init_time, MACHINE_END