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686 lines
22 KiB
686 lines
22 KiB
/* linux/arch/arm/plat-s3c24xx/cpu.c
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*
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* Copyright (c) 2004-2005 Simtec Electronics
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* http://www.simtec.co.uk/products/SWLINUX/
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Common code for S3C24XX machines
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/dma-mapping.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <clocksource/samsung_pwm.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/platform_data/dma-s3c24xx.h>
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#include <linux/dmaengine.h>
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#include <mach/hardware.h>
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#include <mach/regs-clock.h>
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#include <asm/irq.h>
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#include <asm/cacheflush.h>
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#include <asm/system_info.h>
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#include <asm/system_misc.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/regs-gpio.h>
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#include <mach/dma.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/cpu-freq.h>
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#include <plat/pwm-core.h>
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#include "common.h"
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/* table of supported CPUs */
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static const char name_s3c2410[] = "S3C2410";
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static const char name_s3c2412[] = "S3C2412";
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static const char name_s3c2416[] = "S3C2416/S3C2450";
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static const char name_s3c2440[] = "S3C2440";
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static const char name_s3c2442[] = "S3C2442";
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static const char name_s3c2442b[] = "S3C2442B";
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static const char name_s3c2443[] = "S3C2443";
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static const char name_s3c2410a[] = "S3C2410A";
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static const char name_s3c2440a[] = "S3C2440A";
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static struct cpu_table cpu_ids[] __initdata = {
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{
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.idcode = 0x32410000,
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.idmask = 0xffffffff,
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.map_io = s3c2410_map_io,
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.init_uarts = s3c2410_init_uarts,
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.init = s3c2410_init,
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.name = name_s3c2410
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},
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{
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.idcode = 0x32410002,
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.idmask = 0xffffffff,
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.map_io = s3c2410_map_io,
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.init_uarts = s3c2410_init_uarts,
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.init = s3c2410a_init,
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.name = name_s3c2410a
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},
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{
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.idcode = 0x32440000,
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.idmask = 0xffffffff,
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.map_io = s3c2440_map_io,
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.init_uarts = s3c244x_init_uarts,
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.init = s3c2440_init,
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.name = name_s3c2440
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},
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{
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.idcode = 0x32440001,
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.idmask = 0xffffffff,
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.map_io = s3c2440_map_io,
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.init_uarts = s3c244x_init_uarts,
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.init = s3c2440_init,
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.name = name_s3c2440a
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},
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{
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.idcode = 0x32440aaa,
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.idmask = 0xffffffff,
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.map_io = s3c2442_map_io,
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.init_uarts = s3c244x_init_uarts,
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.init = s3c2442_init,
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.name = name_s3c2442
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},
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{
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.idcode = 0x32440aab,
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.idmask = 0xffffffff,
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.map_io = s3c2442_map_io,
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.init_uarts = s3c244x_init_uarts,
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.init = s3c2442_init,
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.name = name_s3c2442b
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},
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{
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.idcode = 0x32412001,
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.idmask = 0xffffffff,
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.map_io = s3c2412_map_io,
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.init_uarts = s3c2412_init_uarts,
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.init = s3c2412_init,
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.name = name_s3c2412,
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},
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{ /* a newer version of the s3c2412 */
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.idcode = 0x32412003,
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.idmask = 0xffffffff,
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.map_io = s3c2412_map_io,
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.init_uarts = s3c2412_init_uarts,
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.init = s3c2412_init,
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.name = name_s3c2412,
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},
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{ /* a strange version of the s3c2416 */
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.idcode = 0x32450003,
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.idmask = 0xffffffff,
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.map_io = s3c2416_map_io,
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.init_uarts = s3c2416_init_uarts,
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.init = s3c2416_init,
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.name = name_s3c2416,
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},
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{
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.idcode = 0x32443001,
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.idmask = 0xffffffff,
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.map_io = s3c2443_map_io,
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.init_uarts = s3c2443_init_uarts,
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.init = s3c2443_init,
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.name = name_s3c2443,
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},
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};
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/* minimal IO mapping */
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static struct map_desc s3c_iodesc[] __initdata = {
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IODESC_ENT(GPIO),
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IODESC_ENT(IRQ),
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IODESC_ENT(MEMCTRL),
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IODESC_ENT(UART)
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};
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/* read cpu identificaiton code */
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static unsigned long s3c24xx_read_idcode_v5(void)
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{
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#if defined(CONFIG_CPU_S3C2416)
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/* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
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u32 gs = __raw_readl(S3C24XX_GSTATUS1);
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/* test for s3c2416 or similar device */
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if ((gs >> 16) == 0x3245)
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return gs;
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#endif
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#if defined(CONFIG_CPU_S3C2412)
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return __raw_readl(S3C2412_GSTATUS1);
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#else
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return 1UL; /* don't look like an 2400 */
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#endif
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}
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static unsigned long s3c24xx_read_idcode_v4(void)
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{
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return __raw_readl(S3C2410_GSTATUS1);
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}
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static void s3c24xx_default_idle(void)
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{
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unsigned long tmp = 0;
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int i;
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/* idle the system by using the idle mode which will wait for an
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* interrupt to happen before restarting the system.
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*/
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/* Warning: going into idle state upsets jtag scanning */
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__raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
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S3C2410_CLKCON);
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/* the samsung port seems to do a loop and then unset idle.. */
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for (i = 0; i < 50; i++)
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tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
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/* this bit is not cleared on re-start... */
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__raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
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S3C2410_CLKCON);
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}
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static struct samsung_pwm_variant s3c24xx_pwm_variant = {
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.bits = 16,
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.div_base = 1,
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.has_tint_cstat = false,
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.tclk_mask = (1 << 4),
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};
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void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
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{
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arm_pm_idle = s3c24xx_default_idle;
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/* initialise the io descriptors we need for initialisation */
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iotable_init(mach_desc, size);
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iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
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if (cpu_architecture() >= CPU_ARCH_ARMv5) {
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samsung_cpu_id = s3c24xx_read_idcode_v5();
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} else {
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samsung_cpu_id = s3c24xx_read_idcode_v4();
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}
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s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
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samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
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}
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void __init samsung_set_timer_source(unsigned int event, unsigned int source)
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{
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s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
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s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
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}
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void __init samsung_timer_init(void)
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{
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unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
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IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
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};
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samsung_pwm_clocksource_init(S3C_VA_TIMER,
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timer_irqs, &s3c24xx_pwm_variant);
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}
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/* Serial port registrations */
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#define S3C2410_PA_UART0 (S3C24XX_PA_UART)
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#define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 )
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#define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 )
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#define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 )
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static struct resource s3c2410_uart0_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K),
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[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \
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IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \
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NULL, IORESOURCE_IRQ)
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};
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static struct resource s3c2410_uart1_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K),
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[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \
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IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \
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NULL, IORESOURCE_IRQ)
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};
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static struct resource s3c2410_uart2_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K),
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[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \
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IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \
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NULL, IORESOURCE_IRQ)
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};
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static struct resource s3c2410_uart3_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K),
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[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \
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IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \
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NULL, IORESOURCE_IRQ)
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};
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struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
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[0] = {
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.resources = s3c2410_uart0_resource,
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.nr_resources = ARRAY_SIZE(s3c2410_uart0_resource),
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},
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[1] = {
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.resources = s3c2410_uart1_resource,
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.nr_resources = ARRAY_SIZE(s3c2410_uart1_resource),
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},
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[2] = {
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.resources = s3c2410_uart2_resource,
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.nr_resources = ARRAY_SIZE(s3c2410_uart2_resource),
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},
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[3] = {
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.resources = s3c2410_uart3_resource,
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.nr_resources = ARRAY_SIZE(s3c2410_uart3_resource),
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},
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};
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#define s3c24xx_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) }))
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#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
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defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
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static struct resource s3c2410_dma_resource[] = {
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[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
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[1] = DEFINE_RES_IRQ(IRQ_DMA0),
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[2] = DEFINE_RES_IRQ(IRQ_DMA1),
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[3] = DEFINE_RES_IRQ(IRQ_DMA2),
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[4] = DEFINE_RES_IRQ(IRQ_DMA3),
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};
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#endif
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#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
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static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
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[DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
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[DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
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[DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
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S3C24XX_DMA_CHANREQ(2, 2) |
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S3C24XX_DMA_CHANREQ(1, 3),
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},
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[DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
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[DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
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[DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
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[DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
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[DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
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[DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
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S3C24XX_DMA_CHANREQ(3, 2) |
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S3C24XX_DMA_CHANREQ(3, 3),
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},
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[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
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S3C24XX_DMA_CHANREQ(1, 2),
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},
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[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), },
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[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
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[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
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[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
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[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
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};
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static const struct dma_slave_map s3c2410_dma_slave_map[] = {
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{ "s3c2410-sdi", "rx-tx", (void *)DMACH_SDI },
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{ "s3c2410-spi.0", "rx", (void *)DMACH_SPI0_RX },
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{ "s3c2410-spi.0", "tx", (void *)DMACH_SPI0_TX },
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{ "s3c2410-spi.1", "rx", (void *)DMACH_SPI1_RX },
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{ "s3c2410-spi.1", "tx", (void *)DMACH_SPI1_TX },
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/*
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* The DMA request source[1] (DMACH_UARTx_SRC2) are
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* not used in the UART driver.
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*/
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{ "s3c2410-uart.0", "rx", (void *)DMACH_UART0 },
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{ "s3c2410-uart.0", "tx", (void *)DMACH_UART0 },
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{ "s3c2410-uart.1", "rx", (void *)DMACH_UART1 },
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{ "s3c2410-uart.1", "tx", (void *)DMACH_UART1 },
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{ "s3c2410-uart.2", "rx", (void *)DMACH_UART2 },
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{ "s3c2410-uart.2", "tx", (void *)DMACH_UART2 },
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{ "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
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{ "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
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{ "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
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{ "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
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{ "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
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{ "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
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{ "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
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{ "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
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{ "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
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{ "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
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};
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static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
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.num_phy_channels = 4,
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.channels = s3c2410_dma_channels,
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.num_channels = DMACH_MAX,
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.slave_map = s3c2410_dma_slave_map,
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.slavecnt = ARRAY_SIZE(s3c2410_dma_slave_map),
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};
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struct platform_device s3c2410_device_dma = {
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.name = "s3c2410-dma",
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.id = 0,
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.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
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.resource = s3c2410_dma_resource,
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.dev = {
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.dma_mask = &s3c24xx_device_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = &s3c2410_dma_platdata,
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},
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};
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#endif
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#ifdef CONFIG_CPU_S3C2412
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static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
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[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
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[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
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[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
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[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
|
|
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
|
|
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
|
|
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
|
|
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
|
|
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
|
|
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
|
|
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
|
|
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
|
|
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
|
|
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
|
|
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
|
|
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
|
|
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
|
|
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
|
|
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
|
|
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
|
|
};
|
|
|
|
static const struct dma_slave_map s3c2412_dma_slave_map[] = {
|
|
{ "s3c2412-sdi", "rx-tx", (void *)DMACH_SDI },
|
|
{ "s3c2412-spi.0", "rx", (void *)DMACH_SPI0_RX },
|
|
{ "s3c2412-spi.0", "tx", (void *)DMACH_SPI0_TX },
|
|
{ "s3c2412-spi.1", "rx", (void *)DMACH_SPI1_RX },
|
|
{ "s3c2412-spi.1", "tx", (void *)DMACH_SPI1_TX },
|
|
{ "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
|
|
{ "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
|
|
{ "s3c2412-iis", "rx", (void *)DMACH_I2S_IN },
|
|
{ "s3c2412-iis", "tx", (void *)DMACH_I2S_OUT },
|
|
{ "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
|
|
{ "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
|
|
{ "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
|
|
{ "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
|
|
{ "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
|
|
{ "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
|
|
{ "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
|
|
{ "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
|
|
};
|
|
|
|
static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
|
|
.num_phy_channels = 4,
|
|
.channels = s3c2412_dma_channels,
|
|
.num_channels = DMACH_MAX,
|
|
.slave_map = s3c2412_dma_slave_map,
|
|
.slavecnt = ARRAY_SIZE(s3c2412_dma_slave_map),
|
|
};
|
|
|
|
struct platform_device s3c2412_device_dma = {
|
|
.name = "s3c2412-dma",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
|
|
.resource = s3c2410_dma_resource,
|
|
.dev = {
|
|
.dma_mask = &s3c24xx_device_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &s3c2412_dma_platdata,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_S3C2440)
|
|
static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
|
|
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
|
|
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
|
|
[DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
|
|
S3C24XX_DMA_CHANREQ(6, 1) |
|
|
S3C24XX_DMA_CHANREQ(2, 2) |
|
|
S3C24XX_DMA_CHANREQ(1, 3),
|
|
},
|
|
[DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
|
|
[DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
|
|
[DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
|
|
[DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
|
|
[DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
|
|
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
|
|
S3C24XX_DMA_CHANREQ(3, 2) |
|
|
S3C24XX_DMA_CHANREQ(3, 3),
|
|
},
|
|
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
|
|
S3C24XX_DMA_CHANREQ(1, 2),
|
|
},
|
|
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
|
|
S3C24XX_DMA_CHANREQ(0, 2),
|
|
},
|
|
[DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
|
|
S3C24XX_DMA_CHANREQ(5, 2),
|
|
},
|
|
[DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
|
|
S3C24XX_DMA_CHANREQ(6, 3),
|
|
},
|
|
[DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
|
|
S3C24XX_DMA_CHANREQ(5, 3),
|
|
},
|
|
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
|
|
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
|
|
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
|
|
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
|
|
};
|
|
|
|
static const struct dma_slave_map s3c2440_dma_slave_map[] = {
|
|
/* TODO: DMACH_XD0 */
|
|
/* TODO: DMACH_XD1 */
|
|
{ "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
|
|
{ "s3c2410-spi.0", "rx", (void *)DMACH_SPI0 },
|
|
{ "s3c2410-spi.0", "tx", (void *)DMACH_SPI0 },
|
|
{ "s3c2410-spi.1", "rx", (void *)DMACH_SPI1 },
|
|
{ "s3c2410-spi.1", "tx", (void *)DMACH_SPI1 },
|
|
{ "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
|
|
{ "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
|
|
{ "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
|
|
{ "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
|
|
/* TODO: DMACH_TIMER */
|
|
{ "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
|
|
{ "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
|
|
{ "samsung-ac97", "rx", (void *)DMACH_PCM_IN },
|
|
{ "samsung-ac97", "tx", (void *)DMACH_PCM_OUT },
|
|
{ "samsung-ac97", "rx", (void *)DMACH_MIC_IN },
|
|
{ "s3c-hsudc", "rx0", (void *)DMACH_USB_EP1 },
|
|
{ "s3c-hsudc", "rx1", (void *)DMACH_USB_EP2 },
|
|
{ "s3c-hsudc", "rx2", (void *)DMACH_USB_EP3 },
|
|
{ "s3c-hsudc", "rx3", (void *)DMACH_USB_EP4 },
|
|
{ "s3c-hsudc", "tx0", (void *)DMACH_USB_EP1 },
|
|
{ "s3c-hsudc", "tx1", (void *)DMACH_USB_EP2 },
|
|
{ "s3c-hsudc", "tx2", (void *)DMACH_USB_EP3 },
|
|
{ "s3c-hsudc", "tx3", (void *)DMACH_USB_EP4 }
|
|
};
|
|
|
|
static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
|
|
.num_phy_channels = 4,
|
|
.channels = s3c2440_dma_channels,
|
|
.num_channels = DMACH_MAX,
|
|
.slave_map = s3c2440_dma_slave_map,
|
|
.slavecnt = ARRAY_SIZE(s3c2440_dma_slave_map),
|
|
};
|
|
|
|
struct platform_device s3c2440_device_dma = {
|
|
.name = "s3c2410-dma",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
|
|
.resource = s3c2410_dma_resource,
|
|
.dev = {
|
|
.dma_mask = &s3c24xx_device_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &s3c2440_dma_platdata,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
|
|
static struct resource s3c2443_dma_resource[] = {
|
|
[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
|
|
[1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
|
|
[2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
|
|
[3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
|
|
[4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
|
|
[5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
|
|
[6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
|
|
};
|
|
|
|
static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
|
|
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
|
|
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
|
|
[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
|
|
[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
|
|
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
|
|
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
|
|
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
|
|
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
|
|
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
|
|
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
|
|
[DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
|
|
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
|
|
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
|
|
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
|
|
[DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
|
|
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
|
|
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
|
|
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
|
|
[DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
|
|
[DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
|
|
[DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
|
|
};
|
|
|
|
static const struct dma_slave_map s3c2443_dma_slave_map[] = {
|
|
{ "s3c2440-sdi", "rx-tx", (void *)DMACH_SDI },
|
|
{ "s3c2443-spi.0", "rx", (void *)DMACH_SPI0_RX },
|
|
{ "s3c2443-spi.0", "tx", (void *)DMACH_SPI0_TX },
|
|
{ "s3c2443-spi.1", "rx", (void *)DMACH_SPI1_RX },
|
|
{ "s3c2443-spi.1", "tx", (void *)DMACH_SPI1_TX },
|
|
{ "s3c2440-uart.0", "rx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.0", "tx", (void *)DMACH_UART0 },
|
|
{ "s3c2440-uart.1", "rx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.1", "tx", (void *)DMACH_UART1 },
|
|
{ "s3c2440-uart.2", "rx", (void *)DMACH_UART2 },
|
|
{ "s3c2440-uart.2", "tx", (void *)DMACH_UART2 },
|
|
{ "s3c2440-uart.3", "rx", (void *)DMACH_UART3 },
|
|
{ "s3c2440-uart.3", "tx", (void *)DMACH_UART3 },
|
|
{ "s3c24xx-iis", "rx", (void *)DMACH_I2S_IN },
|
|
{ "s3c24xx-iis", "tx", (void *)DMACH_I2S_OUT },
|
|
};
|
|
|
|
static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
|
|
.num_phy_channels = 6,
|
|
.channels = s3c2443_dma_channels,
|
|
.num_channels = DMACH_MAX,
|
|
.slave_map = s3c2443_dma_slave_map,
|
|
.slavecnt = ARRAY_SIZE(s3c2443_dma_slave_map),
|
|
};
|
|
|
|
struct platform_device s3c2443_device_dma = {
|
|
.name = "s3c2443-dma",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(s3c2443_dma_resource),
|
|
.resource = s3c2443_dma_resource,
|
|
.dev = {
|
|
.dma_mask = &s3c24xx_device_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &s3c2443_dma_platdata,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
|
|
void __init s3c2410_init_clocks(int xtal)
|
|
{
|
|
s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_CPU_S3C2412
|
|
void __init s3c2412_init_clocks(int xtal)
|
|
{
|
|
s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_CPU_S3C2416
|
|
void __init s3c2416_init_clocks(int xtal)
|
|
{
|
|
s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
|
|
void __init s3c2440_init_clocks(int xtal)
|
|
{
|
|
s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
|
|
void __init s3c2442_init_clocks(int xtal)
|
|
{
|
|
s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_CPU_S3C2443
|
|
void __init s3c2443_init_clocks(int xtal)
|
|
{
|
|
s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
|
|
defined(CONFIG_CPU_S3C2442)
|
|
static struct resource s3c2410_dclk_resource[] = {
|
|
[0] = DEFINE_RES_MEM(0x56000084, 0x4),
|
|
};
|
|
|
|
struct platform_device s3c2410_device_dclk = {
|
|
.name = "s3c2410-dclk",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(s3c2410_dclk_resource),
|
|
.resource = s3c2410_dclk_resource,
|
|
};
|
|
#endif
|
|
|