1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2011-2012
4 * Pali Rohár <pali@kernel.org>
7 * Alistair Buxton <a.j.buxton@gmail.com>
9 * Derived from Beagle Board code:
10 * (C) Copyright 2006-2008
12 * Richard Woodruff <r-woodruff2@ti.com>
13 * Syed Mohammed Khasim <x0khasim@ti.com>
15 * Configuration settings for the Nokia RX-51 aka N900.
22 * High Level Configuration Options
25 #include <asm/arch/cpu.h> /* get chip and board defs */
26 #include <asm/arch/omap.h>
27 #include <asm/arch/mem.h>
28 #include <linux/stringify.h>
31 #define V_OSCK 26000000 /* Clock output from T2 */
32 #define V_SCLK (V_OSCK >> 1)
39 * NS16550 Configuration
41 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
43 #define CFG_SYS_NS16550_CLK V_NS16550_CLK
46 * select serial console configuration
48 #define CFG_SYS_NS16550_COM3 OMAP34XX_UART3
50 #define CFG_SYS_BAUDRATE_TABLE { 4800, 9600, 19200, 38400, 57600, 115200 }
58 #define CFG_SYS_ONENAND_BASE ONENAND_MAP
60 /* Environment information */
61 #define CONFIG_EXTRA_ENV_SETTINGS \
63 "stdin=usbtty,serial,keyboard\0" \
64 "stdout=usbtty,serial,vidconsole\0" \
65 "stderr=usbtty,serial,vidconsole\0" \
66 "slide=gpio input " __stringify(GPIO_SLIDE) "\0" \
67 "switchmmc=mmc dev ${mmcnum}\0" \
68 "kernaddr=0x82008000\0" \
69 "initrdaddr=0x84008000\0" \
70 "scriptaddr=0x86008000\0" \
71 "fileloadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
72 "fileload=${mmctype}load mmc ${mmcnum}:${mmcpart} " \
73 "${fileloadaddr} ${mmcfile}\0" \
74 "kernload=setenv fileloadaddr ${kernaddr};" \
75 "setenv mmcfile ${mmckernfile};" \
77 "initrdload=setenv fileloadaddr ${initrdaddr};" \
78 "setenv mmcfile ${mmcinitrdfile};" \
80 "scriptload=setenv fileloadaddr ${scriptaddr};" \
81 "setenv mmcfile ${mmcscriptfile};" \
83 "scriptboot=echo Running ${mmcscriptfile} from mmc " \
84 "${mmcnum}:${mmcpart} ...; source ${scriptaddr}\0" \
85 "kernboot=echo Booting ${mmckernfile} from mmc " \
86 "${mmcnum}:${mmcpart} ...; bootm ${kernaddr} || " \
87 "bootz ${kernaddr}\0" \
88 "kerninitrdboot=echo Booting ${mmckernfile} ${mmcinitrdfile} from mmc "\
89 "${mmcnum}:${mmcpart} ...; bootm ${kernaddr} ${initrdaddr} || " \
90 "bootz ${kernaddr} ${initrdaddr}\0" \
91 "attachboot=echo Booting attached kernel image ...;" \
92 "setenv setup_omap_atag 1;" \
93 "bootm ${attkernaddr} || bootz ${attkernaddr};" \
94 "setenv setup_omap_atag\0" \
95 "trymmcscriptboot=run switchmmc && run scriptload && run scriptboot\0" \
96 "trymmckernboot=run switchmmc && run kernload && run kernboot\0" \
97 "trymmckerninitrdboot=run switchmmc && run initrdload && " \
98 "run kernload && run kerninitrdboot\0" \
99 "trymmcpartboot=setenv mmcscriptfile boot.scr; run trymmcscriptboot;" \
100 "setenv mmckernfile uImage; run trymmckernboot;" \
101 "setenv mmckernfile zImage; run trymmckernboot\0" \
102 "trymmcallpartboot=setenv mmcpart 1; run trymmcpartboot;" \
103 "setenv mmcpart 2; run trymmcpartboot;" \
104 "setenv mmcpart 3; run trymmcpartboot;" \
105 "setenv mmcpart 4; run trymmcpartboot\0" \
106 "trymmcboot=if run switchmmc; then " \
107 "setenv mmctype fat;" \
108 "run trymmcallpartboot;" \
109 "setenv mmctype ext4;" \
110 "run trymmcallpartboot;" \
112 "emmcboot=setenv mmcnum 1; run trymmcboot\0" \
113 "sdboot=setenv mmcnum 0; run trymmcboot\0" \
114 "trymmcbootmenu=setenv mmctype fat && run trymmcscriptboot || " \
115 "setenv mmctype ext4 && run trymmcscriptboot\0" \
116 "preboot=setenv mmcpart 1; setenv mmcscriptfile bootmenu.scr;" \
117 "setenv mmcnum 0 && run trymmcbootmenu || " \
118 "setenv mmcnum 1 && run trymmcbootmenu;" \
119 "if run slide; then true; else " \
120 "setenv bootmenu_delay 0;" \
121 "setenv bootdelay 0;" \
123 "menucmd=bootmenu\0" \
124 "bootmenu_0=Attached kernel=run attachboot\0" \
125 "bootmenu_1=Internal eMMC=run emmcboot\0" \
126 "bootmenu_2=External SD card=run sdboot\0" \
127 "bootmenu_3=U-Boot boot order=boot\0" \
128 "bootmenu_delay=30\0" \
131 #define CONFIG_POSTBOOTMENU \
133 "echo Extra commands:;" \
134 "echo run sdboot - Boot from SD card slot.;" \
135 "echo run emmcboot - Boot internal eMMC memory.;" \
136 "echo run attachboot - Boot attached kernel image.;" \
140 * OMAP3 has 12 GP timers, they can be driven by the system clock
141 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
142 * This rate is divided by a local divisor.
144 #define CFG_SYS_TIMERBASE (OMAP34XX_GPT2)
147 * Physical Memory Map
149 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
152 * FLASH and environment organization
155 #define CFG_SYS_SDRAM_BASE PHYS_SDRAM_1
156 #define CFG_SYS_INIT_RAM_ADDR 0x4020f800
157 #define CFG_SYS_INIT_RAM_SIZE 0x800
160 * Attached kernel image
163 #define SDRAM_SIZE 0x10000000 /* 256 MB */
164 #define SDRAM_END (CFG_SYS_SDRAM_BASE + SDRAM_SIZE)
166 #define IMAGE_MAXSIZE 0x1FF800 /* 2 MB - 2 kB */
167 #define KERNEL_OFFSET 0x40000 /* 256 kB */
168 #define KERNEL_MAXSIZE (IMAGE_MAXSIZE-KERNEL_OFFSET)
169 #define KERNEL_ADDRESS (SDRAM_END-KERNEL_MAXSIZE)
171 /* Reserve protected RAM for attached kernel */
172 #define CONFIG_PRAM ((KERNEL_MAXSIZE >> 10)+1)
174 #endif /* __CONFIG_H */