Ben Dooks | a21765a | 2007-02-11 18:31:01 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/plat-s3c24xx/cpu.c |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * Copyright (c) 2004-2005 Simtec Electronics |
| 4 | * http://www.simtec.co.uk/products/SWLINUX/ |
| 5 | * Ben Dooks <ben@simtec.co.uk> |
| 6 | * |
Heiko Stuebner | 4a9f52f | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 7 | * Common code for S3C24XX machines |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/interrupt.h> |
| 28 | #include <linux/ioport.h> |
Ben Dooks | b6d1f54 | 2006-12-17 23:22:26 +0100 | [diff] [blame] | 29 | #include <linux/serial_core.h> |
Tushar Behera | 334a1c7 | 2014-02-14 10:32:45 +0900 | [diff] [blame^] | 30 | #include <linux/serial_s3c.h> |
Tomasz Figa | 1c161fd | 2013-04-12 21:17:22 +0200 | [diff] [blame] | 31 | #include <clocksource/samsung_pwm.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 32 | #include <linux/platform_device.h> |
Ben Dooks | 3c7d9c8 | 2008-04-16 00:15:20 +0100 | [diff] [blame] | 33 | #include <linux/delay.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 34 | #include <linux/io.h> |
Heiko Stuebner | f2dda07 | 2013-10-08 06:42:10 +0900 | [diff] [blame] | 35 | #include <linux/platform_data/dma-s3c24xx.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 37 | #include <mach/hardware.h> |
Nicolas Pitre | 9231127 | 2011-08-03 11:34:59 -0400 | [diff] [blame] | 38 | #include <mach/regs-clock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <asm/irq.h> |
Ben Dooks | 3c7d9c8 | 2008-04-16 00:15:20 +0100 | [diff] [blame] | 40 | #include <asm/cacheflush.h> |
David Howells | 9f97da7 | 2012-03-28 18:30:01 +0100 | [diff] [blame] | 41 | #include <asm/system_info.h> |
Olof Johansson | 86dfe44 | 2012-03-29 23:22:44 -0700 | [diff] [blame] | 42 | #include <asm/system_misc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
| 44 | #include <asm/mach/arch.h> |
| 45 | #include <asm/mach/map.h> |
| 46 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #include <mach/regs-gpio.h> |
Heiko Stuebner | f2dda07 | 2013-10-08 06:42:10 +0900 | [diff] [blame] | 48 | #include <mach/dma.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
Ben Dooks | a2b7ba9 | 2008-10-07 22:26:09 +0100 | [diff] [blame] | 50 | #include <plat/cpu.h> |
| 51 | #include <plat/devs.h> |
Ben Dooks | d5120ae | 2008-10-07 23:09:51 +0100 | [diff] [blame] | 52 | #include <plat/clock.h> |
Heiko Stuebner | 2473f71 | 2012-05-12 16:22:18 +0900 | [diff] [blame] | 53 | #include <plat/cpu-freq.h> |
| 54 | #include <plat/pll.h> |
Tomasz Figa | 1c161fd | 2013-04-12 21:17:22 +0200 | [diff] [blame] | 55 | #include <plat/pwm-core.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
Heiko Stuebner | e1a621d | 2013-02-08 10:31:28 -0800 | [diff] [blame] | 57 | #include "common.h" |
| 58 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | /* table of supported CPUs */ |
| 60 | |
| 61 | static const char name_s3c2410[] = "S3C2410"; |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 62 | static const char name_s3c2412[] = "S3C2412"; |
Ben Dooks | 63b1f51 | 2010-04-30 16:32:26 +0900 | [diff] [blame] | 63 | static const char name_s3c2416[] = "S3C2416/S3C2450"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | static const char name_s3c2440[] = "S3C2440"; |
Ben Dooks | 96ce238 | 2006-06-18 23:06:41 +0100 | [diff] [blame] | 65 | static const char name_s3c2442[] = "S3C2442"; |
Harald Welte | f5fb9b1 | 2009-09-22 21:40:39 +0100 | [diff] [blame] | 66 | static const char name_s3c2442b[] = "S3C2442B"; |
Ben Dooks | e4d06e3 | 2007-02-16 12:12:31 +0100 | [diff] [blame] | 67 | static const char name_s3c2443[] = "S3C2443"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | static const char name_s3c2410a[] = "S3C2410A"; |
| 69 | static const char name_s3c2440a[] = "S3C2440A"; |
| 70 | |
| 71 | static struct cpu_table cpu_ids[] __initdata = { |
| 72 | { |
| 73 | .idcode = 0x32410000, |
| 74 | .idmask = 0xffffffff, |
| 75 | .map_io = s3c2410_map_io, |
| 76 | .init_clocks = s3c2410_init_clocks, |
| 77 | .init_uarts = s3c2410_init_uarts, |
| 78 | .init = s3c2410_init, |
| 79 | .name = name_s3c2410 |
| 80 | }, |
| 81 | { |
| 82 | .idcode = 0x32410002, |
| 83 | .idmask = 0xffffffff, |
| 84 | .map_io = s3c2410_map_io, |
| 85 | .init_clocks = s3c2410_init_clocks, |
| 86 | .init_uarts = s3c2410_init_uarts, |
Ben Dooks | f017679 | 2009-07-30 23:23:38 +0100 | [diff] [blame] | 87 | .init = s3c2410a_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | .name = name_s3c2410a |
| 89 | }, |
| 90 | { |
| 91 | .idcode = 0x32440000, |
| 92 | .idmask = 0xffffffff, |
Vasily Khoruzhick | 812c4e4 | 2010-12-01 08:29:23 +0200 | [diff] [blame] | 93 | .map_io = s3c2440_map_io, |
Ben Dooks | 96ce238 | 2006-06-18 23:06:41 +0100 | [diff] [blame] | 94 | .init_clocks = s3c244x_init_clocks, |
| 95 | .init_uarts = s3c244x_init_uarts, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | .init = s3c2440_init, |
| 97 | .name = name_s3c2440 |
| 98 | }, |
| 99 | { |
| 100 | .idcode = 0x32440001, |
| 101 | .idmask = 0xffffffff, |
Vasily Khoruzhick | 812c4e4 | 2010-12-01 08:29:23 +0200 | [diff] [blame] | 102 | .map_io = s3c2440_map_io, |
Ben Dooks | 96ce238 | 2006-06-18 23:06:41 +0100 | [diff] [blame] | 103 | .init_clocks = s3c244x_init_clocks, |
| 104 | .init_uarts = s3c244x_init_uarts, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | .init = s3c2440_init, |
| 106 | .name = name_s3c2440a |
Lucas Correia Villa Real | 83f755f | 2006-02-01 21:24:24 +0000 | [diff] [blame] | 107 | }, |
| 108 | { |
Ben Dooks | 96ce238 | 2006-06-18 23:06:41 +0100 | [diff] [blame] | 109 | .idcode = 0x32440aaa, |
| 110 | .idmask = 0xffffffff, |
Vasily Khoruzhick | 812c4e4 | 2010-12-01 08:29:23 +0200 | [diff] [blame] | 111 | .map_io = s3c2442_map_io, |
Ben Dooks | 96ce238 | 2006-06-18 23:06:41 +0100 | [diff] [blame] | 112 | .init_clocks = s3c244x_init_clocks, |
| 113 | .init_uarts = s3c244x_init_uarts, |
| 114 | .init = s3c2442_init, |
| 115 | .name = name_s3c2442 |
| 116 | }, |
| 117 | { |
Harald Welte | f5fb9b1 | 2009-09-22 21:40:39 +0100 | [diff] [blame] | 118 | .idcode = 0x32440aab, |
| 119 | .idmask = 0xffffffff, |
Vasily Khoruzhick | 812c4e4 | 2010-12-01 08:29:23 +0200 | [diff] [blame] | 120 | .map_io = s3c2442_map_io, |
Harald Welte | f5fb9b1 | 2009-09-22 21:40:39 +0100 | [diff] [blame] | 121 | .init_clocks = s3c244x_init_clocks, |
| 122 | .init_uarts = s3c244x_init_uarts, |
| 123 | .init = s3c2442_init, |
| 124 | .name = name_s3c2442b |
| 125 | }, |
| 126 | { |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 127 | .idcode = 0x32412001, |
| 128 | .idmask = 0xffffffff, |
| 129 | .map_io = s3c2412_map_io, |
| 130 | .init_clocks = s3c2412_init_clocks, |
| 131 | .init_uarts = s3c2412_init_uarts, |
| 132 | .init = s3c2412_init, |
| 133 | .name = name_s3c2412, |
| 134 | }, |
Ben Dooks | d9bc55f | 2006-09-20 20:39:15 +0100 | [diff] [blame] | 135 | { /* a newer version of the s3c2412 */ |
| 136 | .idcode = 0x32412003, |
| 137 | .idmask = 0xffffffff, |
| 138 | .map_io = s3c2412_map_io, |
| 139 | .init_clocks = s3c2412_init_clocks, |
| 140 | .init_uarts = s3c2412_init_uarts, |
| 141 | .init = s3c2412_init, |
| 142 | .name = name_s3c2412, |
| 143 | }, |
Yauhen Kharuzhy | f1290a4 | 2010-04-28 18:09:01 +0900 | [diff] [blame] | 144 | { /* a strange version of the s3c2416 */ |
| 145 | .idcode = 0x32450003, |
| 146 | .idmask = 0xffffffff, |
| 147 | .map_io = s3c2416_map_io, |
| 148 | .init_clocks = s3c2416_init_clocks, |
| 149 | .init_uarts = s3c2416_init_uarts, |
| 150 | .init = s3c2416_init, |
| 151 | .name = name_s3c2416, |
| 152 | }, |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 153 | { |
Ben Dooks | e4d06e3 | 2007-02-16 12:12:31 +0100 | [diff] [blame] | 154 | .idcode = 0x32443001, |
| 155 | .idmask = 0xffffffff, |
| 156 | .map_io = s3c2443_map_io, |
| 157 | .init_clocks = s3c2443_init_clocks, |
| 158 | .init_uarts = s3c2443_init_uarts, |
| 159 | .init = s3c2443_init, |
| 160 | .name = name_s3c2443, |
| 161 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | }; |
| 163 | |
| 164 | /* minimal IO mapping */ |
| 165 | |
| 166 | static struct map_desc s3c_iodesc[] __initdata = { |
| 167 | IODESC_ENT(GPIO), |
| 168 | IODESC_ENT(IRQ), |
| 169 | IODESC_ENT(MEMCTRL), |
| 170 | IODESC_ENT(UART) |
| 171 | }; |
| 172 | |
Ben Dooks | 74b265d | 2008-10-21 14:06:31 +0100 | [diff] [blame] | 173 | /* read cpu identificaiton code */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 175 | static unsigned long s3c24xx_read_idcode_v5(void) |
| 176 | { |
Ben Dooks | d11a7d7 | 2010-04-28 18:00:07 +0900 | [diff] [blame] | 177 | #if defined(CONFIG_CPU_S3C2416) |
| 178 | /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */ |
| 179 | |
| 180 | u32 gs = __raw_readl(S3C24XX_GSTATUS1); |
| 181 | |
| 182 | /* test for s3c2416 or similar device */ |
| 183 | if ((gs >> 16) == 0x3245) |
| 184 | return gs; |
| 185 | #endif |
| 186 | |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 187 | #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) |
| 188 | return __raw_readl(S3C2412_GSTATUS1); |
| 189 | #else |
| 190 | return 1UL; /* don't look like an 2400 */ |
| 191 | #endif |
| 192 | } |
| 193 | |
| 194 | static unsigned long s3c24xx_read_idcode_v4(void) |
| 195 | { |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 196 | return __raw_readl(S3C2410_GSTATUS1); |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 197 | } |
| 198 | |
Nicolas Pitre | 9231127 | 2011-08-03 11:34:59 -0400 | [diff] [blame] | 199 | static void s3c24xx_default_idle(void) |
| 200 | { |
Cong Ding | 813f13e | 2013-01-18 08:58:23 -0800 | [diff] [blame] | 201 | unsigned long tmp = 0; |
Nicolas Pitre | 9231127 | 2011-08-03 11:34:59 -0400 | [diff] [blame] | 202 | int i; |
| 203 | |
| 204 | /* idle the system by using the idle mode which will wait for an |
| 205 | * interrupt to happen before restarting the system. |
| 206 | */ |
| 207 | |
| 208 | /* Warning: going into idle state upsets jtag scanning */ |
| 209 | |
| 210 | __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE, |
| 211 | S3C2410_CLKCON); |
| 212 | |
| 213 | /* the samsung port seems to do a loop and then unset idle.. */ |
| 214 | for (i = 0; i < 50; i++) |
| 215 | tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */ |
| 216 | |
| 217 | /* this bit is not cleared on re-start... */ |
| 218 | |
| 219 | __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE, |
| 220 | S3C2410_CLKCON); |
| 221 | } |
| 222 | |
Tomasz Figa | 1c161fd | 2013-04-12 21:17:22 +0200 | [diff] [blame] | 223 | static struct samsung_pwm_variant s3c24xx_pwm_variant = { |
| 224 | .bits = 16, |
| 225 | .div_base = 1, |
| 226 | .has_tint_cstat = false, |
| 227 | .tclk_mask = (1 << 4), |
| 228 | }; |
| 229 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) |
| 231 | { |
Nicolas Pitre | 9231127 | 2011-08-03 11:34:59 -0400 | [diff] [blame] | 232 | arm_pm_idle = s3c24xx_default_idle; |
| 233 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | /* initialise the io descriptors we need for initialisation */ |
Ben Dooks | 74b265d | 2008-10-21 14:06:31 +0100 | [diff] [blame] | 235 | iotable_init(mach_desc, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); |
| 237 | |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 238 | if (cpu_architecture() >= CPU_ARCH_ARMv5) { |
Kukjin Kim | c06af3c | 2011-08-20 02:18:18 +0900 | [diff] [blame] | 239 | samsung_cpu_id = s3c24xx_read_idcode_v5(); |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 240 | } else { |
Kukjin Kim | c06af3c | 2011-08-20 02:18:18 +0900 | [diff] [blame] | 241 | samsung_cpu_id = s3c24xx_read_idcode_v4(); |
Ben Dooks | 68d9ab3 | 2006-06-24 21:21:27 +0100 | [diff] [blame] | 242 | } |
Lucas Correia Villa Real | 83f755f | 2006-02-01 21:24:24 +0000 | [diff] [blame] | 243 | |
Kukjin Kim | c06af3c | 2011-08-20 02:18:18 +0900 | [diff] [blame] | 244 | s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); |
Tomasz Figa | 1c161fd | 2013-04-12 21:17:22 +0200 | [diff] [blame] | 245 | |
| 246 | samsung_pwm_set_platdata(&s3c24xx_pwm_variant); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | } |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 248 | |
Tomasz Figa | 4280506 | 2013-04-28 02:25:01 +0200 | [diff] [blame] | 249 | void __init samsung_set_timer_source(unsigned int event, unsigned int source) |
| 250 | { |
| 251 | s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1; |
| 252 | s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source)); |
| 253 | } |
| 254 | |
| 255 | void __init samsung_timer_init(void) |
| 256 | { |
| 257 | unsigned int timer_irqs[SAMSUNG_PWM_NUM] = { |
| 258 | IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4, |
| 259 | }; |
| 260 | |
| 261 | samsung_pwm_clocksource_init(S3C_VA_TIMER, |
| 262 | timer_irqs, &s3c24xx_pwm_variant); |
| 263 | } |
| 264 | |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 265 | /* Serial port registrations */ |
| 266 | |
Arnd Bergmann | 9ee51f0 | 2013-04-11 02:04:48 +0200 | [diff] [blame] | 267 | #define S3C2410_PA_UART0 (S3C24XX_PA_UART) |
| 268 | #define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 ) |
| 269 | #define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 ) |
| 270 | #define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 ) |
| 271 | |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 272 | static struct resource s3c2410_uart0_resource[] = { |
Tushar Behera | 99dbdd9 | 2012-05-12 16:24:59 +0900 | [diff] [blame] | 273 | [0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K), |
| 274 | [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \ |
| 275 | IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \ |
| 276 | NULL, IORESOURCE_IRQ) |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 277 | }; |
| 278 | |
| 279 | static struct resource s3c2410_uart1_resource[] = { |
Tushar Behera | 99dbdd9 | 2012-05-12 16:24:59 +0900 | [diff] [blame] | 280 | [0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K), |
| 281 | [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \ |
| 282 | IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \ |
| 283 | NULL, IORESOURCE_IRQ) |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 284 | }; |
| 285 | |
| 286 | static struct resource s3c2410_uart2_resource[] = { |
Tushar Behera | 99dbdd9 | 2012-05-12 16:24:59 +0900 | [diff] [blame] | 287 | [0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K), |
| 288 | [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \ |
| 289 | IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \ |
| 290 | NULL, IORESOURCE_IRQ) |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 291 | }; |
| 292 | |
| 293 | static struct resource s3c2410_uart3_resource[] = { |
Tushar Behera | 99dbdd9 | 2012-05-12 16:24:59 +0900 | [diff] [blame] | 294 | [0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K), |
| 295 | [1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \ |
| 296 | IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \ |
| 297 | NULL, IORESOURCE_IRQ) |
Heiko Stuebner | 618ae08 | 2012-05-12 16:22:17 +0900 | [diff] [blame] | 298 | }; |
| 299 | |
| 300 | struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = { |
| 301 | [0] = { |
| 302 | .resources = s3c2410_uart0_resource, |
| 303 | .nr_resources = ARRAY_SIZE(s3c2410_uart0_resource), |
| 304 | }, |
| 305 | [1] = { |
| 306 | .resources = s3c2410_uart1_resource, |
| 307 | .nr_resources = ARRAY_SIZE(s3c2410_uart1_resource), |
| 308 | }, |
| 309 | [2] = { |
| 310 | .resources = s3c2410_uart2_resource, |
| 311 | .nr_resources = ARRAY_SIZE(s3c2410_uart2_resource), |
| 312 | }, |
| 313 | [3] = { |
| 314 | .resources = s3c2410_uart3_resource, |
| 315 | .nr_resources = ARRAY_SIZE(s3c2410_uart3_resource), |
| 316 | }, |
| 317 | }; |
Heiko Stuebner | 2473f71 | 2012-05-12 16:22:18 +0900 | [diff] [blame] | 318 | |
| 319 | /* initialise all the clocks */ |
| 320 | |
| 321 | void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk, |
| 322 | unsigned long hclk, |
| 323 | unsigned long pclk) |
| 324 | { |
| 325 | clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON), |
| 326 | clk_xtal.rate); |
| 327 | |
| 328 | clk_mpll.rate = fclk; |
| 329 | clk_h.rate = hclk; |
| 330 | clk_p.rate = pclk; |
| 331 | clk_f.rate = fclk; |
| 332 | } |
Heiko Stuebner | f2dda07 | 2013-10-08 06:42:10 +0900 | [diff] [blame] | 333 | |
| 334 | #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ |
| 335 | defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) |
| 336 | static struct resource s3c2410_dma_resource[] = { |
| 337 | [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), |
| 338 | [1] = DEFINE_RES_IRQ(IRQ_DMA0), |
| 339 | [2] = DEFINE_RES_IRQ(IRQ_DMA1), |
| 340 | [3] = DEFINE_RES_IRQ(IRQ_DMA2), |
| 341 | [4] = DEFINE_RES_IRQ(IRQ_DMA3), |
| 342 | }; |
| 343 | #endif |
| 344 | |
Heiko Stuebner | 1fecf89 | 2013-10-21 05:32:48 +0900 | [diff] [blame] | 345 | #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442) |
| 346 | static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = { |
| 347 | [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), }, |
| 348 | [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), }, |
| 349 | [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) | |
| 350 | S3C24XX_DMA_CHANREQ(2, 2) | |
| 351 | S3C24XX_DMA_CHANREQ(1, 3), |
| 352 | }, |
| 353 | [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), }, |
| 354 | [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), }, |
| 355 | [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), }, |
| 356 | [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), }, |
| 357 | [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), }, |
| 358 | [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) | |
| 359 | S3C24XX_DMA_CHANREQ(3, 2) | |
| 360 | S3C24XX_DMA_CHANREQ(3, 3), |
| 361 | }, |
| 362 | [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) | |
| 363 | S3C24XX_DMA_CHANREQ(1, 2), |
| 364 | }, |
| 365 | [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), }, |
| 366 | [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), }, |
| 367 | [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), }, |
| 368 | [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), }, |
| 369 | [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), }, |
| 370 | }; |
| 371 | |
| 372 | static struct s3c24xx_dma_platdata s3c2410_dma_platdata = { |
| 373 | .num_phy_channels = 4, |
| 374 | .channels = s3c2410_dma_channels, |
| 375 | .num_channels = DMACH_MAX, |
| 376 | }; |
| 377 | |
| 378 | struct platform_device s3c2410_device_dma = { |
| 379 | .name = "s3c2410-dma", |
| 380 | .id = 0, |
| 381 | .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| 382 | .resource = s3c2410_dma_resource, |
| 383 | .dev = { |
| 384 | .platform_data = &s3c2410_dma_platdata, |
| 385 | }, |
| 386 | }; |
| 387 | #endif |
| 388 | |
Heiko Stuebner | f2dda07 | 2013-10-08 06:42:10 +0900 | [diff] [blame] | 389 | #ifdef CONFIG_CPU_S3C2412 |
| 390 | static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = { |
| 391 | [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, |
| 392 | [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, |
| 393 | [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, |
| 394 | [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, |
| 395 | [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, |
| 396 | [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, |
| 397 | [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, |
| 398 | [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, |
| 399 | [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, |
| 400 | [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, |
| 401 | [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, |
| 402 | [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, |
| 403 | [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, |
| 404 | [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, |
| 405 | [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, |
| 406 | [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, |
| 407 | [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 }, |
| 408 | [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 }, |
| 409 | [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 }, |
| 410 | [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 }, |
| 411 | }; |
| 412 | |
| 413 | static struct s3c24xx_dma_platdata s3c2412_dma_platdata = { |
| 414 | .num_phy_channels = 4, |
| 415 | .channels = s3c2412_dma_channels, |
| 416 | .num_channels = DMACH_MAX, |
| 417 | }; |
| 418 | |
| 419 | struct platform_device s3c2412_device_dma = { |
| 420 | .name = "s3c2412-dma", |
| 421 | .id = 0, |
| 422 | .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| 423 | .resource = s3c2410_dma_resource, |
| 424 | .dev = { |
| 425 | .platform_data = &s3c2412_dma_platdata, |
| 426 | }, |
| 427 | }; |
| 428 | #endif |
| 429 | |
Heiko Stuebner | 1fecf89 | 2013-10-21 05:32:48 +0900 | [diff] [blame] | 430 | #if defined(CONFIG_CPU_S3C2440) |
| 431 | static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = { |
| 432 | [DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), }, |
| 433 | [DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), }, |
| 434 | [DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) | |
| 435 | S3C24XX_DMA_CHANREQ(6, 1) | |
| 436 | S3C24XX_DMA_CHANREQ(2, 2) | |
| 437 | S3C24XX_DMA_CHANREQ(1, 3), |
| 438 | }, |
| 439 | [DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), }, |
| 440 | [DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), }, |
| 441 | [DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), }, |
| 442 | [DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), }, |
| 443 | [DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), }, |
| 444 | [DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) | |
| 445 | S3C24XX_DMA_CHANREQ(3, 2) | |
| 446 | S3C24XX_DMA_CHANREQ(3, 3), |
| 447 | }, |
| 448 | [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) | |
| 449 | S3C24XX_DMA_CHANREQ(1, 2), |
| 450 | }, |
| 451 | [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) | |
| 452 | S3C24XX_DMA_CHANREQ(0, 2), |
| 453 | }, |
| 454 | [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) | |
| 455 | S3C24XX_DMA_CHANREQ(5, 2), |
| 456 | }, |
| 457 | [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) | |
| 458 | S3C24XX_DMA_CHANREQ(6, 3), |
| 459 | }, |
| 460 | [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) | |
| 461 | S3C24XX_DMA_CHANREQ(5, 3), |
| 462 | }, |
| 463 | [DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), }, |
| 464 | [DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), }, |
| 465 | [DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), }, |
| 466 | [DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), }, |
| 467 | }; |
| 468 | |
| 469 | static struct s3c24xx_dma_platdata s3c2440_dma_platdata = { |
| 470 | .num_phy_channels = 4, |
| 471 | .channels = s3c2440_dma_channels, |
| 472 | .num_channels = DMACH_MAX, |
| 473 | }; |
| 474 | |
| 475 | struct platform_device s3c2440_device_dma = { |
| 476 | .name = "s3c2410-dma", |
| 477 | .id = 0, |
| 478 | .num_resources = ARRAY_SIZE(s3c2410_dma_resource), |
| 479 | .resource = s3c2410_dma_resource, |
| 480 | .dev = { |
| 481 | .platform_data = &s3c2440_dma_platdata, |
| 482 | }, |
| 483 | }; |
| 484 | #endif |
| 485 | |
Heiko Stuebner | f2dda07 | 2013-10-08 06:42:10 +0900 | [diff] [blame] | 486 | #if defined(CONFIG_CPUS_3C2443) || defined(CONFIG_CPU_S3C2416) |
| 487 | static struct resource s3c2443_dma_resource[] = { |
| 488 | [0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA), |
| 489 | [1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0), |
| 490 | [2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1), |
| 491 | [3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2), |
| 492 | [4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3), |
| 493 | [5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4), |
| 494 | [6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5), |
| 495 | }; |
| 496 | |
| 497 | static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = { |
| 498 | [DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 }, |
| 499 | [DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 }, |
| 500 | [DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 }, |
| 501 | [DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 }, |
| 502 | [DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 }, |
| 503 | [DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 }, |
| 504 | [DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 }, |
| 505 | [DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 }, |
| 506 | [DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 }, |
| 507 | [DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 }, |
| 508 | [DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 }, |
| 509 | [DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 }, |
| 510 | [DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 }, |
| 511 | [DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 }, |
| 512 | [DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 }, |
| 513 | [DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 }, |
| 514 | [DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 }, |
| 515 | [DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 }, |
| 516 | [DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 }, |
| 517 | [DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 }, |
| 518 | [DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 }, |
| 519 | }; |
| 520 | |
| 521 | static struct s3c24xx_dma_platdata s3c2443_dma_platdata = { |
| 522 | .num_phy_channels = 6, |
| 523 | .channels = s3c2443_dma_channels, |
| 524 | .num_channels = DMACH_MAX, |
| 525 | }; |
| 526 | |
| 527 | struct platform_device s3c2443_device_dma = { |
| 528 | .name = "s3c2443-dma", |
| 529 | .id = 0, |
| 530 | .num_resources = ARRAY_SIZE(s3c2443_dma_resource), |
| 531 | .resource = s3c2443_dma_resource, |
| 532 | .dev = { |
| 533 | .platform_data = &s3c2443_dma_platdata, |
| 534 | }, |
| 535 | }; |
| 536 | #endif |