2 * blackfin-config-post.h - setup common defines for Blackfin boards based on config.h
4 * Copyright (c) 2007-2008 Analog Devices Inc.
6 * Licensed under the GPL-2 or later.
9 #ifndef __ASM_BLACKFIN_CONFIG_POST_H__
10 #define __ASM_BLACKFIN_CONFIG_POST_H__
12 /* Sanity check CONFIG_BFIN_CPU */
13 #ifndef CONFIG_BFIN_CPU
14 # error CONFIG_BFIN_CPU: your board config needs to define this
17 /* Make sure the structure is properly aligned */
18 #if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
19 # error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
22 /* Set default CONFIG_VCO_HZ if need be */
23 #if !defined(CONFIG_VCO_HZ)
24 # if (CONFIG_CLKIN_HALF == 0)
25 # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
27 # define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
31 /* Set default CONFIG_CCLK_HZ if need be */
32 #if !defined(CONFIG_CCLK_HZ)
33 # if (CONFIG_PLL_BYPASS == 0)
34 # define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
36 # define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
40 /* Set default CONFIG_SCLK_HZ if need be */
41 #if !defined(CONFIG_SCLK_HZ)
42 # if (CONFIG_PLL_BYPASS == 0)
43 # define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
45 # define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
49 /* Since we use these to program PLL registers directly,
50 * make sure the values are sane and won't screw us up.
52 #if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
53 # error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
55 #if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
56 # error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
58 #if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
59 # error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
62 /* Using L1 scratch pad makes sense for everyone by default. */
63 #ifndef CONFIG_LINUX_CMDLINE_ADDR
64 # define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
66 #ifndef CONFIG_LINUX_CMDLINE_SIZE
67 # define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
70 /* Set default SPI flash CS to the one we boot from */
71 #if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS)
72 # define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL
75 /* Default/common Blackfin memory layout */
76 #ifndef CONFIG_SYS_SDRAM_BASE
77 # define CONFIG_SYS_SDRAM_BASE 0
79 #ifndef CONFIG_SYS_MAX_RAM_SIZE
80 # define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
82 #ifndef CONFIG_SYS_MONITOR_BASE
83 # define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
85 #ifndef CONFIG_SYS_MALLOC_BASE
86 # define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
88 #ifndef CONFIG_SYS_GBL_DATA_SIZE
89 # define CONFIG_SYS_GBL_DATA_SIZE (128)
91 #ifndef CONFIG_SYS_GBL_DATA_ADDR
92 # define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
94 #ifndef CONFIG_STACKBASE
95 # define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
97 #ifndef CONFIG_SYS_MEMTEST_START
98 # define CONFIG_SYS_MEMTEST_START 0
100 #ifndef CONFIG_SYS_MEMTEST_END
101 # define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
104 /* Check to make sure everything fits in external RAM */
105 #if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
106 # error Memory Map does not fit into configuration
109 /* Default/common Blackfin environment settings */
110 #ifndef CONFIG_LOADADDR
111 # define CONFIG_LOADADDR 0x1000000
113 #ifndef CONFIG_SYS_LOAD_ADDR
114 # define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
116 #ifndef CONFIG_SYS_BOOTM_LEN
117 # define CONFIG_SYS_BOOTM_LEN 0x4000000
119 #ifndef CONFIG_SYS_PROMPT
120 # define CONFIG_SYS_PROMPT "bfin> "
122 #ifndef CONFIG_SYS_CBSIZE
123 # ifdef CONFIG_CMD_KGDB
124 # define CONFIG_SYS_CBSIZE 1024
126 # define CONFIG_SYS_CBSIZE 256
129 #ifndef CONFIG_SYS_BARGSIZE
130 # define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
132 #ifndef CONFIG_SYS_PBSIZE
133 # define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
135 #ifndef CONFIG_SYS_MAXARGS
136 # define CONFIG_SYS_MAXARGS 16
138 #ifndef CONFIG_SYS_HZ
139 # define CONFIG_SYS_HZ 1000
141 #ifndef CONFIG_SYS_BAUDRATE_TABLE
142 # define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }