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 DEVICE_NOT_AVAILABLE            0
  26
  27 #define EXYNOS_CPU_NAME                 "Exynos"
  28 #define EXYNOS4_ADDR_BASE               0x10000000
  29
  30 /* EXYNOS4 */
  31 #define EXYNOS4_GPIO_PART3_BASE         0x03860000
  32 #define EXYNOS4_PRO_ID                  0x10000000
  33 #define EXYNOS4_SYSREG_BASE             0x10010000
  34 #define EXYNOS4_POWER_BASE              0x10020000
  35 #define EXYNOS4_SWRESET                 0x10020400
  36 #define EXYNOS4_CLOCK_BASE              0x10030000
  37 #define EXYNOS4_SYSTIMER_BASE           0x10050000
  38 #define EXYNOS4_WATCHDOG_BASE           0x10060000
  39 #define EXYNOS4_MIU_BASE                0x10600000
  40 #define EXYNOS4_DMC0_BASE               0x10400000
  41 #define EXYNOS4_DMC1_BASE               0x10410000
  42 #define EXYNOS4_GPIO_PART2_BASE         0x11000000
  43 #define EXYNOS4_GPIO_PART1_BASE         0x11400000
  44 #define EXYNOS4_FIMD_BASE               0x11C00000
  45 #define EXYNOS4_MIPI_DSIM_BASE          0x11C80000
  46 #define EXYNOS4_USBOTG_BASE             0x12480000
  47 #define EXYNOS4_MMC_BASE                0x12510000
  48 #define EXYNOS4_SROMC_BASE              0x12570000
  49 #define EXYNOS4_USB_HOST_EHCI_BASE      0x12580000
  50 #define EXYNOS4_USBPHY_BASE             0x125B0000
  51 #define EXYNOS4_UART_BASE               0x13800000
  52 #define EXYNOS4_ADC_BASE                0x13910000
  53 #define EXYNOS4_PWMTIMER_BASE           0x139D0000
  54 #define EXYNOS4_MODEM_BASE              0x13A00000
  55 #define EXYNOS4_USBPHY_CONTROL          0x10020704
  56
  57 #define EXYNOS4_GPIO_PART4_BASE         DEVICE_NOT_AVAILABLE
  58
  59 /* EXYNOS5 */
  60 #define EXYNOS5_GPIO_PART4_BASE         0x03860000
  61 #define EXYNOS5_PRO_ID                  0x10000000
  62 #define EXYNOS5_CLOCK_BASE              0x10010000
  63 #define EXYNOS5_POWER_BASE              0x10040000
  64 #define EXYNOS5_SWRESET                 0x10040400
  65 #define EXYNOS5_SYSREG_BASE             0x10050000
  66 #define EXYNOS5_WATCHDOG_BASE           0x101D0000
  67 #define EXYNOS5_DMC_PHY0_BASE           0x10C00000
  68 #define EXYNOS5_DMC_PHY1_BASE           0x10C10000
  69 #define EXYNOS5_GPIO_PART3_BASE         0x10D10000
  70 #define EXYNOS5_DMC_CTRL_BASE           0x10DD0000
  71 #define EXYNOS5_GPIO_PART1_BASE         0x11400000
  72 #define EXYNOS5_MIPI_DSIM_BASE          0x11D00000
  73 #define EXYNOS5_USB_HOST_EHCI_BASE      0x12110000
  74 #define EXYNOS5_USBPHY_BASE             0x12130000
  75 #define EXYNOS5_USBOTG_BASE             0x12140000
  76 #define EXYNOS5_MMC_BASE                0x12200000
  77 #define EXYNOS5_SROMC_BASE              0x12250000
  78 #define EXYNOS5_UART_BASE               0x12C00000
  79 #define EXYNOS5_PWMTIMER_BASE           0x12DD0000
  80 #define EXYNOS5_GPIO_PART2_BASE         0x13400000
  81 #define EXYNOS5_FIMD_BASE               0x14400000
  82
  83 #define EXYNOS5_ADC_BASE                DEVICE_NOT_AVAILABLE
  84 #define EXYNOS5_MODEM_BASE              DEVICE_NOT_AVAILABLE
  85
  86 #ifndef __ASSEMBLY__
  87 #include <asm/io.h>
  88 /* CPU detection macros */
  89 extern unsigned int s5p_cpu_id;
  90 extern unsigned int s5p_cpu_rev;
  91
  92 static inline int s5p_get_cpu_rev(void)
  93 {
  94         return s5p_cpu_rev;
  95 }
  96
  97 static inline void s5p_set_cpu_id(void)
  98 {
  99         unsigned int pro_id = (readl(EXYNOS4_PRO_ID) & 0x00FFF000) >> 12;
 100
 101         switch (pro_id) {
 102         case 0x200:
 103                 /* Exynos4210 EVT0 */
 104                 s5p_cpu_id = 0x4210;
 105                 s5p_cpu_rev = 0;
 106                 break;
 107         case 0x210:
 108                 /* Exynos4210 EVT1 */
 109                 s5p_cpu_id = 0x4210;
 110                 break;
 111         case 0x412:
 112                 /* Exynos4412 */
 113                 s5p_cpu_id = 0x4412;
 114                 break;
 115         case 0x520:
 116                 /* Exynos5250 */
 117                 s5p_cpu_id = 0x5250;
 118                 break;
 119         }
 120 }
 121
 122 static inline char *s5p_get_cpu_name(void)
 123 {
 124         return EXYNOS_CPU_NAME;
 125 }
 126
 127 #define IS_SAMSUNG_TYPE(type, id)                       \
 128 static inline int cpu_is_##type(void)                   \
 129 {                                                       \
 130         return (s5p_cpu_id >> 12) == id;                \
 131 }
 132
 133 IS_SAMSUNG_TYPE(exynos4, 0x4)
 134 IS_SAMSUNG_TYPE(exynos5, 0x5)
 135
 136 #define SAMSUNG_BASE(device, base)                              \
 137 static inline unsigned int samsung_get_base_##device(void)      \
 138 {                                                               \
 139         if (cpu_is_exynos4())                                   \
 140                 return EXYNOS4_##base;                          \
 141         else if (cpu_is_exynos5())                              \
 142                 return EXYNOS5_##base;                          \
 143         else                                                    \
 144                 return 0;                                       \
 145 }
 146
 147 SAMSUNG_BASE(adc, ADC_BASE)
 148 SAMSUNG_BASE(clock, CLOCK_BASE)
 149 SAMSUNG_BASE(sysreg, SYSREG_BASE)
 150 SAMSUNG_BASE(fimd, FIMD_BASE)
 151 SAMSUNG_BASE(mipi_dsim, MIPI_DSIM_BASE)
 152 SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE)
 153 SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE)
 154 SAMSUNG_BASE(gpio_part3, GPIO_PART3_BASE)
 155 SAMSUNG_BASE(gpio_part4, GPIO_PART4_BASE)
 156 SAMSUNG_BASE(pro_id, PRO_ID)
 157 SAMSUNG_BASE(mmc, MMC_BASE)
 158 SAMSUNG_BASE(modem, MODEM_BASE)
 159 SAMSUNG_BASE(sromc, SROMC_BASE)
 160 SAMSUNG_BASE(swreset, SWRESET)
 161 SAMSUNG_BASE(timer, PWMTIMER_BASE)
 162 SAMSUNG_BASE(uart, UART_BASE)
 163 SAMSUNG_BASE(usb_phy, USBPHY_BASE)
 164 SAMSUNG_BASE(usb_ehci, USB_HOST_EHCI_BASE)
 165 SAMSUNG_BASE(usb_otg, USBOTG_BASE)
 166 SAMSUNG_BASE(watchdog, WATCHDOG_BASE)
 167 SAMSUNG_BASE(power, POWER_BASE)
 168 #endif
 169
 170 #endif  /* _EXYNOS4_CPU_H */