1/* linux/arch/arm/mach-s3c64xx/mach-real6410.c 2 * 3 * Copyright 2010 Darius Augulis <augulis.darius@gmail.com> 4 * Copyright 2008 Openmoko, Inc. 5 * Copyright 2008 Simtec Electronics 6 * Ben Dooks <ben@simtec.co.uk> 7 * http://armlinux.simtec.co.uk/ 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13*/ 14 15#include <linux/kernel.h> 16#include <linux/types.h> 17#include <linux/interrupt.h> 18#include <linux/list.h> 19#include <linux/init.h> 20#include <linux/dm9000.h> 21#include <linux/serial_core.h> 22#include <linux/platform_device.h> 23#include <asm/mach-types.h> 24#include <asm/mach/arch.h> 25#include <asm/mach/map.h> 26#include <mach/map.h> 27#include <mach/s3c6410.h> 28#include <mach/regs-srom.h> 29#include <plat/cpu.h> 30#include <plat/devs.h> 31#include <plat/regs-serial.h> 32 33#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK) 34#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) 35#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) 36 37static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = { 38 [0] = { 39 .hwport = 0, 40 .flags = 0, 41 .ucon = UCON, 42 .ulcon = ULCON, 43 .ufcon = UFCON, 44 }, 45 [1] = { 46 .hwport = 1, 47 .flags = 0, 48 .ucon = UCON, 49 .ulcon = ULCON, 50 .ufcon = UFCON, 51 }, 52 [2] = { 53 .hwport = 2, 54 .flags = 0, 55 .ucon = UCON, 56 .ulcon = ULCON, 57 .ufcon = UFCON, 58 }, 59 [3] = { 60 .hwport = 3, 61 .flags = 0, 62 .ucon = UCON, 63 .ulcon = ULCON, 64 .ufcon = UFCON, 65 }, 66}; 67 68/* DM9000AEP 10/100 ethernet controller */ 69 70static struct resource real6410_dm9k_resource[] = { 71 [0] = { 72 .start = S3C64XX_PA_XM0CSN1, 73 .end = S3C64XX_PA_XM0CSN1 + 1, 74 .flags = IORESOURCE_MEM 75 }, 76 [1] = { 77 .start = S3C64XX_PA_XM0CSN1 + 4, 78 .end = S3C64XX_PA_XM0CSN1 + 5, 79 .flags = IORESOURCE_MEM 80 }, 81 [2] = { 82 .start = S3C_EINT(7), 83 .end = S3C_EINT(7), 84 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL 85 } 86}; 87 88static struct dm9000_plat_data real6410_dm9k_pdata = { 89 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), 90}; 91 92static struct platform_device real6410_device_eth = { 93 .name = "dm9000", 94 .id = -1, 95 .num_resources = ARRAY_SIZE(real6410_dm9k_resource), 96 .resource = real6410_dm9k_resource, 97 .dev = { 98 .platform_data = &real6410_dm9k_pdata, 99 }, 100}; 101 102static struct platform_device *real6410_devices[] __initdata = { 103 &real6410_device_eth, 104 &s3c_device_hsmmc0, 105 &s3c_device_hsmmc1, 106}; 107 108static void __init real6410_map_io(void) 109{ 110 s3c64xx_init_io(NULL, 0); 111 s3c24xx_init_clocks(12000000); 112 s3c24xx_init_uarts(real6410_uartcfgs, ARRAY_SIZE(real6410_uartcfgs)); 113} 114 115static void __init real6410_machine_init(void) 116{ 117 u32 cs1; 118 119 /* configure nCS1 width to 16 bits */ 120 121 cs1 = __raw_readl(S3C64XX_SROM_BW) & 122 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); 123 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | 124 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | 125 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << 126 S3C64XX_SROM_BW__NCS1__SHIFT; 127 __raw_writel(cs1, S3C64XX_SROM_BW); 128 129 /* set timing for nCS1 suitable for ethernet chip */ 130 131 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | 132 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | 133 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | 134 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | 135 (13 << S3C64XX_SROM_BCX__TACC__SHIFT) | 136 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | 137 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); 138 139 platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices)); 140} 141 142MACHINE_START(REAL6410, "REAL6410") 143 /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */ 144 .phys_io = S3C_PA_UART & 0xfff00000, 145 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, 146 .boot_params = S3C64XX_PA_SDRAM + 0x100, 147 148 .init_irq = s3c6410_init_irq, 149 .map_io = real6410_map_io, 150 .init_machine = real6410_machine_init, 151 .timer = &s3c24xx_timer, 152MACHINE_END 153