arch/arm/include/asm/arch-exynos/cpu.h

   1 /*
   2  * (C) Copyright 2010 Samsung Electronics
   3  * Minkyu Kang <mk7.kang@samsung.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  * MA 02111-1307 USA
  19  *
  20  */
  21
  22 #ifndef _EXYNOS4_CPU_H
  23 #define _EXYNOS4_CPU_H
  24
  25 #define EXYNOS4_ADDR_BASE               0x10000000
  26
  27 /* EXYNOS4 */
  28 #define EXYNOS4_GPIO_PART3_BASE         0x03860000
  29 #define EXYNOS4_PRO_ID                  0x10000000
  30 #define EXYNOS4_POWER_BASE              0x10020000
  31 #define EXYNOS4_SWRESET                 0x10020400
  32 #define EXYNOS4_CLOCK_BASE              0x10030000
  33 #define EXYNOS4_SYSTIMER_BASE           0x10050000
  34 #define EXYNOS4_WATCHDOG_BASE           0x10060000
  35 #define EXYNOS4_MIU_BASE                0x10600000
  36 #define EXYNOS4_DMC0_BASE               0x10400000
  37 #define EXYNOS4_DMC1_BASE               0x10410000
  38 #define EXYNOS4_GPIO_PART2_BASE         0x11000000
  39 #define EXYNOS4_GPIO_PART1_BASE         0x11400000
  40 #define EXYNOS4_FIMD_BASE               0x11C00000
  41 #define EXYNOS4_USBOTG_BASE             0x12480000
  42 #define EXYNOS4_MMC_BASE                0x12510000
  43 #define EXYNOS4_SROMC_BASE              0x12570000
  44 #define EXYNOS4_USBPHY_BASE             0x125B0000
  45 #define EXYNOS4_UART_BASE               0x13800000
  46 #define EXYNOS4_ADC_BASE                0x13910000
  47 #define EXYNOS4_PWMTIMER_BASE           0x139D0000
  48 #define EXYNOS4_MODEM_BASE              0x13A00000
  49
  50 #ifndef __ASSEMBLY__
  51 #include <asm/io.h>
  52 /* CPU detection macros */
  53 extern unsigned int s5p_cpu_id;
  54 extern unsigned int s5p_cpu_rev;
  55
  56 static inline int s5p_get_cpu_rev(void)
  57 {
  58         return s5p_cpu_rev;
  59 }
  60
  61 static inline void s5p_set_cpu_id(void)
  62 {
  63         s5p_cpu_id = readl(EXYNOS4_PRO_ID);
  64         s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12));
  65
  66         /*
  67          * 0xC200: EXYNOS4210 EVT0
  68          * 0xC210: EXYNOS4210 EVT1
  69          */
  70         if (s5p_cpu_id == 0xC200) {
  71                 s5p_cpu_id |= 0x10;
  72                 s5p_cpu_rev = 0;
  73         } else if (s5p_cpu_id == 0xC210) {
  74                 s5p_cpu_rev = 1;
  75         }
  76 }
  77
  78 #define IS_SAMSUNG_TYPE(type, id)                       \
  79 static inline int cpu_is_##type(void)                   \
  80 {                                                       \
  81         return s5p_cpu_id == id ? 1 : 0;                \
  82 }
  83
  84 IS_SAMSUNG_TYPE(exynos4, 0xc210)
  85
  86 #define SAMSUNG_BASE(device, base)                              \
  87 static inline unsigned int samsung_get_base_##device(void)      \
  88 {                                                               \
  89         if (cpu_is_exynos4())                                   \
  90                 return EXYNOS4_##base;                          \
  91         else                                                    \
  92                 return 0;                                       \
  93 }
  94
  95 SAMSUNG_BASE(adc, ADC_BASE)
  96 SAMSUNG_BASE(clock, CLOCK_BASE)
  97 SAMSUNG_BASE(fimd, FIMD_BASE)
  98 SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE)
  99 SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE)
 100 SAMSUNG_BASE(gpio_part3, GPIO_PART3_BASE)
 101 SAMSUNG_BASE(pro_id, PRO_ID)
 102 SAMSUNG_BASE(mmc, MMC_BASE)
 103 SAMSUNG_BASE(modem, MODEM_BASE)
 104 SAMSUNG_BASE(sromc, SROMC_BASE)
 105 SAMSUNG_BASE(swreset, SWRESET)
 106 SAMSUNG_BASE(timer, PWMTIMER_BASE)
 107 SAMSUNG_BASE(uart, UART_BASE)
 108 SAMSUNG_BASE(usb_phy, USBPHY_BASE)
 109 SAMSUNG_BASE(usb_otg, USBOTG_BASE)
 110 SAMSUNG_BASE(watchdog, WATCHDOG_BASE)
 111 #endif
 112
 113 #endif  /* _EXYNOS4_CPU_H */