1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011-2012 4 * Pali Rohár <pali@kernel.org> 5 * 6 * (C) Copyright 2010 7 * Alistair Buxton <a.j.buxton@gmail.com> 8 * 9 * Derived from Beagle Board code: 10 * (C) Copyright 2006-2008 11 * Texas Instruments. 12 * Richard Woodruff <r-woodruff2@ti.com> 13 * Syed Mohammed Khasim <x0khasim@ti.com> 14 * 15 * Configuration settings for the Nokia RX-51 aka N900. 16 */ 17 18 #ifndef __CONFIG_H 19 #define __CONFIG_H 20 21 /* 22 * High Level Configuration Options 23 */ 24 #define CONFIG_SYS_L2CACHE_OFF /* pretend there is no L2 CACHE */ 25 26 #define CONFIG_MACH_TYPE MACH_TYPE_NOKIA_RX51 27 28 #include <asm/arch/cpu.h> /* get chip and board defs */ 29 #include <asm/arch/omap.h> 30 #include <asm/arch/mem.h> 31 #include <linux/stringify.h> 32 33 /* Clock Defines */ 34 #define V_OSCK 26000000 /* Clock output from T2 */ 35 #define V_SCLK (V_OSCK >> 1) 36 37 #define CONFIG_SKIP_LOWLEVEL_INIT /* X-Loader set everything up */ 38 39 #define CONFIG_CMDLINE_TAG /* enable passing kernel command line string */ 40 #define CONFIG_INITRD_TAG /* enable passing initrd */ 41 #define CONFIG_REVISION_TAG /* enable passing revision tag*/ 42 #define CONFIG_SETUP_MEMORY_TAGS /* enable memory tag */ 43 44 /* 45 * Size of malloc() pool 46 */ 47 #define CONFIG_UBI_SIZE (512 << 10) 48 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + CONFIG_UBI_SIZE + \ 49 (128 << 10)) 50 51 /* 52 * Hardware drivers 53 */ 54 55 /* 56 * NS16550 Configuration 57 */ 58 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 59 60 #define CONFIG_SYS_NS16550_SERIAL 61 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 62 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 63 64 /* 65 * select serial console configuration 66 */ 67 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 68 69 #define CONFIG_SYS_BAUDRATE_TABLE { 4800, 9600, 19200, 38400, 57600, 115200 } 70 71 /* USB device configuration */ 72 #define CONFIG_USB_DEVICE 73 #define CONFIG_USB_TTY 74 #define CONFIG_USBD_VENDORID 0x0421 75 #define CONFIG_USBD_PRODUCTID_CDCACM 0x01c8 76 #define CONFIG_USBD_PRODUCTID_GSERIAL 0x01c8 77 #define CONFIG_USBD_MANUFACTURER "Nokia" 78 #define CONFIG_USBD_PRODUCT_NAME "N900 (U-Boot)" 79 80 #define GPIO_SLIDE 71 81 82 /* 83 * Board ONENAND Info. 84 */ 85 86 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 87 88 /* Watchdog support */ 89 #define CONFIG_HW_WATCHDOG 90 91 /* 92 * Framebuffer 93 */ 94 /* Video console */ 95 #define CONFIG_VIDEO_LOGO 96 #define VIDEO_FB_16BPP_PIXEL_SWAP 97 #define VIDEO_FB_16BPP_WORD_SWAP 98 99 /* functions for cfb_console */ 100 #define VIDEO_KBD_INIT_FCT rx51_kp_init() 101 #define VIDEO_TSTC_FCT rx51_kp_tstc 102 #define VIDEO_GETC_FCT rx51_kp_getc 103 #ifndef __ASSEMBLY__ 104 struct stdio_dev; 105 int rx51_kp_init(void); 106 int rx51_kp_tstc(struct stdio_dev *sdev); 107 int rx51_kp_getc(struct stdio_dev *sdev); 108 #endif 109 110 /* Environment information */ 111 #define CONFIG_EXTRA_ENV_SETTINGS \ 112 "usbtty=cdc_acm\0" \ 113 "stdin=usbtty,serial,vga\0" \ 114 "stdout=usbtty,serial,vga\0" \ 115 "stderr=usbtty,serial,vga\0" \ 116 "slide=gpio input " __stringify(GPIO_SLIDE) "\0" \ 117 "switchmmc=mmc dev ${mmcnum}\0" \ 118 "kernaddr=0x82008000\0" \ 119 "initrdaddr=0x84008000\0" \ 120 "scriptaddr=0x86008000\0" \ 121 "fileload=${mmctype}load mmc ${mmcnum}:${mmcpart} " \ 122 "${loadaddr} ${mmcfile}\0" \ 123 "kernload=setenv loadaddr ${kernaddr};" \ 124 "setenv mmcfile ${mmckernfile};" \ 125 "run fileload\0" \ 126 "initrdload=setenv loadaddr ${initrdaddr};" \ 127 "setenv mmcfile ${mmcinitrdfile};" \ 128 "run fileload\0" \ 129 "scriptload=setenv loadaddr ${scriptaddr};" \ 130 "setenv mmcfile ${mmcscriptfile};" \ 131 "run fileload\0" \ 132 "scriptboot=echo Running ${mmcscriptfile} from mmc " \ 133 "${mmcnum}:${mmcpart} ...; source ${scriptaddr}\0" \ 134 "kernboot=echo Booting ${mmckernfile} from mmc " \ 135 "${mmcnum}:${mmcpart} ...; bootm ${kernaddr}\0" \ 136 "kerninitrdboot=echo Booting ${mmckernfile} ${mmcinitrdfile} from mmc "\ 137 "${mmcnum}:${mmcpart} ...; bootm ${kernaddr} ${initrdaddr}\0" \ 138 "attachboot=echo Booting attached kernel image ...;" \ 139 "setenv setup_omap_atag 1;" \ 140 "bootm ${attkernaddr};" \ 141 "setenv setup_omap_atag\0" \ 142 "trymmcscriptboot=if run switchmmc; then " \ 143 "if run scriptload; then " \ 144 "run scriptboot;" \ 145 "fi;" \ 146 "fi\0" \ 147 "trymmckernboot=if run switchmmc; then " \ 148 "if run kernload; then " \ 149 "run kernboot;" \ 150 "fi;" \ 151 "fi\0" \ 152 "trymmckerninitrdboot=if run switchmmc; then " \ 153 "if run initrdload; then " \ 154 "if run kernload; then " \ 155 "run kerninitrdboot;" \ 156 "fi;" \ 157 "fi; " \ 158 "fi\0" \ 159 "trymmcpartboot=setenv mmcscriptfile boot.scr; run trymmcscriptboot;" \ 160 "setenv mmckernfile uImage; run trymmckernboot\0" \ 161 "trymmcallpartboot=setenv mmcpart 1; run trymmcpartboot;" \ 162 "setenv mmcpart 2; run trymmcpartboot;" \ 163 "setenv mmcpart 3; run trymmcpartboot;" \ 164 "setenv mmcpart 4; run trymmcpartboot\0" \ 165 "trymmcboot=if run switchmmc; then " \ 166 "setenv mmctype fat;" \ 167 "run trymmcallpartboot;" \ 168 "setenv mmctype ext4;" \ 169 "run trymmcallpartboot;" \ 170 "fi\0" \ 171 "emmcboot=setenv mmcnum 1; run trymmcboot\0" \ 172 "sdboot=setenv mmcnum 0; run trymmcboot\0" \ 173 "preboot=setenv mmcnum 1; setenv mmcpart 1;" \ 174 "setenv mmcscriptfile bootmenu.scr;" \ 175 "if run switchmmc; then " \ 176 "setenv mmctype fat;" \ 177 "if run scriptload; then run scriptboot; else " \ 178 "setenv mmctype ext4;" \ 179 "if run scriptload; then run scriptboot; fi;" \ 180 "fi;" \ 181 "fi;" \ 182 "if run slide; then true; else " \ 183 "setenv bootmenu_delay 0;" \ 184 "setenv bootdelay 0;" \ 185 "fi\0" \ 186 "menucmd=bootmenu\0" \ 187 "bootmenu_0=Attached kernel=run attachboot\0" \ 188 "bootmenu_1=Internal eMMC=run emmcboot\0" \ 189 "bootmenu_2=External SD card=run sdboot\0" \ 190 "bootmenu_3=U-Boot boot order=boot\0" \ 191 "bootmenu_delay=30\0" \ 192 "" 193 194 #define CONFIG_POSTBOOTMENU \ 195 "echo;" \ 196 "echo Extra commands:;" \ 197 "echo run sdboot - Boot from SD card slot.;" \ 198 "echo run emmcboot - Boot internal eMMC memory.;" \ 199 "echo run attachboot - Boot attached kernel image.;" \ 200 "echo" 201 202 #define CONFIG_BOOTCOMMAND \ 203 "run sdboot;" \ 204 "run emmcboot;" \ 205 "run attachboot;" \ 206 "echo" 207 208 /* default load address */ 209 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) 210 211 /* 212 * OMAP3 has 12 GP timers, they can be driven by the system clock 213 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 214 * This rate is divided by a local divisor. 215 */ 216 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 217 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 218 219 /* 220 * Physical Memory Map 221 */ 222 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 223 224 /* 225 * FLASH and environment organization 226 */ 227 228 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 229 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 230 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 231 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 232 CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 233 234 /* 235 * Attached kernel image 236 */ 237 238 #define SDRAM_SIZE 0x10000000 /* 256 MB */ 239 #define SDRAM_END (CONFIG_SYS_SDRAM_BASE + SDRAM_SIZE) 240 241 #define IMAGE_MAXSIZE 0x1FF800 /* 2 MB - 2 kB */ 242 #define KERNEL_OFFSET 0x40000 /* 256 kB */ 243 #define KERNEL_MAXSIZE (IMAGE_MAXSIZE-KERNEL_OFFSET) 244 #define KERNEL_ADDRESS (SDRAM_END-KERNEL_MAXSIZE) 245 246 /* Reserve protected RAM for attached kernel */ 247 #define CONFIG_PRAM ((KERNEL_MAXSIZE >> 10)+1) 248 249 #endif /* __CONFIG_H */ 250