Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 1 | # arch/arm/plat-s3c/Kconfig |
| 2 | # |
| 3 | # Copyright 2007 Simtec Electronics |
| 4 | # |
| 5 | # Licensed under GPLv2 |
| 6 | |
| 7 | config PLAT_S3C |
| 8 | bool |
Ben Dooks | a08ab63 | 2008-10-21 14:06:39 +0100 | [diff] [blame] | 9 | depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX |
Ben Dooks | bcae8ae | 2008-10-21 14:06:32 +0100 | [diff] [blame] | 10 | default y |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 11 | select NO_IOPORT |
| 12 | help |
| 13 | Base platform code for any Samsung S3C device |
| 14 | |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 15 | # low-level serial option nodes |
| 16 | |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 17 | if PLAT_S3C |
| 18 | |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 19 | config CPU_LLSERIAL_S3C2410_ONLY |
| 20 | bool |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 21 | default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440 |
| 22 | |
| 23 | config CPU_LLSERIAL_S3C2440_ONLY |
| 24 | bool |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 25 | default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410 |
| 26 | |
| 27 | config CPU_LLSERIAL_S3C2410 |
| 28 | bool |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 29 | help |
| 30 | Selected if there is an S3C2410 (or register compatible) serial |
| 31 | low-level implementation needed |
| 32 | |
| 33 | config CPU_LLSERIAL_S3C2440 |
| 34 | bool |
Ben Dooks | b262758 | 2007-07-22 16:09:44 +0100 | [diff] [blame] | 35 | help |
| 36 | Selected if there is an S3C2440 (or register compatible) serial |
| 37 | low-level implementation needed |
| 38 | |
| 39 | # boot configurations |
| 40 | |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 41 | comment "Boot options" |
| 42 | |
Ben Dooks | a45f826 | 2007-07-22 16:16:51 +0100 | [diff] [blame] | 43 | config S3C_BOOT_WATCHDOG |
| 44 | bool "S3C Initialisation watchdog" |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 45 | depends on S3C2410_WATCHDOG |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 46 | help |
| 47 | Say y to enable the watchdog during the kernel decompression |
| 48 | stage. If the kernel fails to uncompress, then the watchdog |
| 49 | will trigger a reset and the system should restart. |
| 50 | |
Ben Dooks | a45f826 | 2007-07-22 16:16:51 +0100 | [diff] [blame] | 51 | config S3C_BOOT_ERROR_RESET |
| 52 | bool "S3C Reboot on decompression error" |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 53 | help |
| 54 | Say y here to use the watchdog to reset the system if the |
| 55 | kernel decompressor detects an error during decompression. |
| 56 | |
Ben Dooks | e7aa6f4 | 2008-12-02 19:34:52 +0000 | [diff] [blame] | 57 | config S3C_BOOT_UART_FORCE_FIFO |
| 58 | bool "Force UART FIFO on during boot process" |
Ben Dooks | e7aa6f4 | 2008-12-02 19:34:52 +0000 | [diff] [blame] | 59 | default y |
| 60 | help |
| 61 | Say Y here to force the UART FIFOs on during the kernel |
| 62 | uncompressor |
| 63 | |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 64 | comment "Power management" |
| 65 | |
| 66 | config S3C2410_PM_DEBUG |
| 67 | bool "S3C2410 PM Suspend debug" |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 68 | depends on PM |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 69 | help |
| 70 | Say Y here if you want verbose debugging from the PM Suspend and |
| 71 | Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 72 | for more information. |
| 73 | |
| 74 | config S3C2410_PM_CHECK |
| 75 | bool "S3C2410 PM Suspend Memory CRC" |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 76 | depends on PM && CRC32 |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 77 | help |
| 78 | Enable the PM code's memory area checksum over sleep. This option |
| 79 | will generate CRCs of all blocks of memory, and store them before |
| 80 | going to sleep. The blocks are then checked on resume for any |
| 81 | errors. |
| 82 | |
| 83 | Note, this can take several seconds depending on memory size |
| 84 | and CPU speed. |
| 85 | |
| 86 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 87 | |
| 88 | config S3C2410_PM_CHECK_CHUNKSIZE |
| 89 | int "S3C2410 PM Suspend CRC Chunksize (KiB)" |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 90 | depends on PM && S3C2410_PM_CHECK |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 91 | default 64 |
| 92 | help |
| 93 | Set the chunksize in Kilobytes of the CRC for checking memory |
| 94 | corruption over suspend and resume. A smaller value will mean that |
| 95 | the CRC data block will take more memory, but wil identify any |
| 96 | faults with better precision. |
| 97 | |
| 98 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> |
| 99 | |
Ben Dooks | c765784 | 2007-07-22 16:11:20 +0100 | [diff] [blame] | 100 | config S3C_LOWLEVEL_UART_PORT |
| 101 | int "S3C UART to use for low-level messages" |
Ben Dooks | d58153d | 2007-07-22 16:07:09 +0100 | [diff] [blame] | 102 | default 0 |
| 103 | help |
| 104 | Choice of which UART port to use for the low-level messages, |
| 105 | such as the `Uncompressing...` at start time. The value of |
| 106 | this configuration should be between zero and two. The port |
| 107 | must have been initialised by the boot-loader before use. |
Ben Dooks | 5b323c7 | 2008-10-31 16:14:28 +0000 | [diff] [blame] | 108 | |
Ben Dooks | efd3a8e | 2008-10-31 16:14:30 +0000 | [diff] [blame] | 109 | # options for gpiolib support |
| 110 | |
| 111 | config S3C_GPIO_SPACE |
| 112 | int "Space between gpio banks" |
| 113 | default 0 |
| 114 | help |
| 115 | Add a number of spare GPIO entries between each bank for debugging |
| 116 | purposes. This allows any problems where an counter overflows from |
| 117 | one bank to another to be caught, at the expense of using a little |
| 118 | more memory. |
| 119 | |
Ben Dooks | 8a53bdb | 2008-10-31 16:14:32 +0000 | [diff] [blame] | 120 | config S3C_GPIO_TRACK |
| 121 | bool |
| 122 | help |
| 123 | Internal configuration option to enable the s3c specific gpio |
| 124 | chip tracking if the platform requires it. |
| 125 | |
Ben Dooks | 21b2366 | 2008-10-31 16:14:34 +0000 | [diff] [blame] | 126 | config S3C_GPIO_PULL_UPDOWN |
| 127 | bool |
| 128 | help |
| 129 | Internal configuration to enable the correct GPIO pull helper |
| 130 | |
| 131 | config S3C_GPIO_PULL_DOWN |
| 132 | bool |
| 133 | help |
| 134 | Internal configuration to enable the correct GPIO pull helper |
| 135 | |
| 136 | config S3C_GPIO_PULL_UP |
| 137 | bool |
| 138 | help |
| 139 | Internal configuration to enable the correct GPIO pull helper |
| 140 | |
| 141 | config S3C_GPIO_CFG_S3C24XX |
| 142 | bool |
| 143 | help |
| 144 | Internal configuration to enable S3C24XX style GPIO configuration |
| 145 | functions. |
| 146 | |
| 147 | config S3C_GPIO_CFG_S3C64XX |
| 148 | bool |
| 149 | help |
| 150 | Internal configuration to enable S3C64XX style GPIO configuration |
| 151 | functions. |
| 152 | |
Ben Dooks | 5b323c7 | 2008-10-31 16:14:28 +0000 | [diff] [blame] | 153 | # device definitions to compile in |
| 154 | |
| 155 | config S3C_DEV_HSMMC |
| 156 | bool |
Ben Dooks | 5b323c7 | 2008-10-31 16:14:28 +0000 | [diff] [blame] | 157 | help |
| 158 | Compile in platform device definitions for HSMMC code |
Ben Dooks | a2205cd | 2008-10-31 16:14:39 +0000 | [diff] [blame] | 159 | |
| 160 | config S3C_DEV_HSMMC1 |
| 161 | bool |
Ben Dooks | a2205cd | 2008-10-31 16:14:39 +0000 | [diff] [blame] | 162 | help |
| 163 | Compile in platform device definitions for HSMMC channel 1 |
Ben Dooks | 1aba834 | 2008-10-31 16:14:55 +0000 | [diff] [blame] | 164 | |
| 165 | config S3C_DEV_I2C1 |
| 166 | bool |
Ben Dooks | 1aba834 | 2008-10-31 16:14:55 +0000 | [diff] [blame] | 167 | help |
| 168 | Compile in platform device definitions for I2C channel 1 |
Ben Dooks | 58435f7 | 2008-11-19 15:41:31 +0000 | [diff] [blame] | 169 | |
| 170 | config S3C_DEV_FB |
| 171 | bool |
Ben Dooks | 58435f7 | 2008-11-19 15:41:31 +0000 | [diff] [blame] | 172 | help |
| 173 | Compile in platform device definition for framebuffer |
Russell King | d83a12a | 2008-12-21 15:02:07 +0000 | [diff] [blame] | 174 | |
| 175 | endif |