blob: d870d1224fc365c8cf8c45c67e46a88890dc7671 [file] [log] [blame]
Kumar Gala47d41cc2009-02-05 20:40:57 -06001/*
Mike Frysingerf348ab82009-04-24 17:22:40 -04002 * config.h - setup common defines for Blackfin boards based on config.h
Kumar Gala47d41cc2009-02-05 20:40:57 -06003 *
Mike Frysingerf348ab82009-04-24 17:22:40 -04004 * Copyright (c) 2007-2009 Analog Devices Inc.
Kumar Gala47d41cc2009-02-05 20:40:57 -06005 *
Mike Frysingerf348ab82009-04-24 17:22:40 -04006 * Licensed under the GPL-2 or later.
Kumar Gala47d41cc2009-02-05 20:40:57 -06007 */
8
Mike Frysingerf348ab82009-04-24 17:22:40 -04009#ifndef __ASM_BLACKFIN_CONFIG_POST_H__
10#define __ASM_BLACKFIN_CONFIG_POST_H__
11
Mike Frysinger1fde3eb2010-10-27 21:10:58 -040012/* Some of our defines use this (like CONFIG_SYS_GBL_DATA_ADDR) */
13#include <asm-offsets.h>
14
Mike Frysingerfbcf8e82010-12-23 14:58:37 -050015/* Sanity check CONFIG_BFIN_CPU */
16#ifndef CONFIG_BFIN_CPU
17# error CONFIG_BFIN_CPU: your board config needs to define this
18#endif
19
Mike Frysinger9c46e712009-08-24 20:48:04 -040020#ifndef CONFIG_BFIN_SCRATCH_REG
21# define CONFIG_BFIN_SCRATCH_REG retn
22#endif
23
Mike Frysinger8e5c1ed2011-10-12 20:16:31 -040024/* U-Boot wants this config name */
25#define CONFIG_SYS_CACHELINE_SIZE L1_CACHE_BYTES
26
Mike Frysingerf348ab82009-04-24 17:22:40 -040027/* Make sure the structure is properly aligned */
28#if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
29# error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
30#endif
31
32/* Set default CONFIG_VCO_HZ if need be */
33#if !defined(CONFIG_VCO_HZ)
34# if (CONFIG_CLKIN_HALF == 0)
35# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
36# else
37# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
38# endif
39#endif
40
41/* Set default CONFIG_CCLK_HZ if need be */
42#if !defined(CONFIG_CCLK_HZ)
43# if (CONFIG_PLL_BYPASS == 0)
44# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
45# else
46# define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
47# endif
48#endif
49
50/* Set default CONFIG_SCLK_HZ if need be */
51#if !defined(CONFIG_SCLK_HZ)
52# if (CONFIG_PLL_BYPASS == 0)
53# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
54# else
55# define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
56# endif
57#endif
58
59/* Since we use these to program PLL registers directly,
60 * make sure the values are sane and won't screw us up.
61 */
62#if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
63# error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
64#endif
65#if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
66# error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
67#endif
68#if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
69# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
70#endif
71
Robin Getzf19fd872009-12-21 16:35:48 -050072/* If we are using KGDB, make sure we defer exceptions */
73#ifdef CONFIG_CMD_KGDB
74# define CONFIG_EXCEPTION_DEFER 1
75#endif
76
Mike Frysingerf348ab82009-04-24 17:22:40 -040077/* Using L1 scratch pad makes sense for everyone by default. */
78#ifndef CONFIG_LINUX_CMDLINE_ADDR
79# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
80#endif
81#ifndef CONFIG_LINUX_CMDLINE_SIZE
82# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
83#endif
84
85/* Set default SPI flash CS to the one we boot from */
86#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS)
87# define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL
88#endif
89
Mike Frysinger76d82182009-07-21 22:17:36 -040090/* We need envcrc to embed the env into LDRs */
91#ifdef CONFIG_ENV_IS_EMBEDDED_IN_LDR
92# define CONFIG_BUILD_ENVCRC
93#endif
94
Mike Frysingerf348ab82009-04-24 17:22:40 -040095/* Default/common Blackfin memory layout */
96#ifndef CONFIG_SYS_SDRAM_BASE
97# define CONFIG_SYS_SDRAM_BASE 0
98#endif
99#ifndef CONFIG_SYS_MAX_RAM_SIZE
100# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
101#endif
102#ifndef CONFIG_SYS_MONITOR_BASE
Mike Frysinger7527fee2009-11-09 19:38:23 -0500103# if CONFIG_SYS_MAX_RAM_SIZE
104# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
105# else
106# define CONFIG_SYS_MONITOR_BASE 0
107# endif
Mike Frysingerf348ab82009-04-24 17:22:40 -0400108#endif
109#ifndef CONFIG_SYS_MALLOC_BASE
110# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
111#endif
Mike Frysingerf348ab82009-04-24 17:22:40 -0400112#ifndef CONFIG_STACKBASE
Mike Frysingera4932d72012-02-29 22:48:10 -0500113# define CONFIG_STACKBASE (CONFIG_SYS_MALLOC_BASE - 4)
Mike Frysingerf348ab82009-04-24 17:22:40 -0400114#endif
115#ifndef CONFIG_SYS_MEMTEST_START
116# define CONFIG_SYS_MEMTEST_START 0
117#endif
118#ifndef CONFIG_SYS_MEMTEST_END
119# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
120#endif
Mike Frysinger272d2fc2011-05-09 19:37:55 -0400121#ifndef CONFIG_SYS_POST_WORD_ADDR
122# define CONFIG_SYS_POST_WORD_ADDR (L1_DATA_B_SRAM + L1_DATA_B_SRAM_SIZE - 4)
123#endif
Mike Frysingerf348ab82009-04-24 17:22:40 -0400124
125/* Check to make sure everything fits in external RAM */
Mike Frysinger7527fee2009-11-09 19:38:23 -0500126#if CONFIG_SYS_MAX_RAM_SIZE && \
127 ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
Mike Frysingerf348ab82009-04-24 17:22:40 -0400128# error Memory Map does not fit into configuration
129#endif
130
131/* Default/common Blackfin environment settings */
132#ifndef CONFIG_LOADADDR
133# define CONFIG_LOADADDR 0x1000000
134#endif
135#ifndef CONFIG_SYS_LOAD_ADDR
136# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
137#endif
138#ifndef CONFIG_SYS_BOOTM_LEN
139# define CONFIG_SYS_BOOTM_LEN 0x4000000
140#endif
141#ifndef CONFIG_SYS_PROMPT
142# define CONFIG_SYS_PROMPT "bfin> "
143#endif
144#ifndef CONFIG_SYS_CBSIZE
Mike Frysinger69a25ce2009-08-24 20:36:25 -0400145# define CONFIG_SYS_CBSIZE 1024
Robin Getzf19fd872009-12-21 16:35:48 -0500146#elif defined(CONFIG_CMD_KGDB) && CONFIG_SYS_CBSIZE < 1024
147# error "kgdb needs cbsize to be >= 1024"
Mike Frysingerf348ab82009-04-24 17:22:40 -0400148#endif
149#ifndef CONFIG_SYS_BARGSIZE
150# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
151#endif
152#ifndef CONFIG_SYS_PBSIZE
153# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
154#endif
155#ifndef CONFIG_SYS_MAXARGS
156# define CONFIG_SYS_MAXARGS 16
157#endif
158#if defined(CONFIG_SYS_HZ)
159# if (CONFIG_SYS_HZ != 1000)
160# warning "CONFIG_SYS_HZ must always be 1000"
161# endif
162# undef CONFIG_SYS_HZ
163#endif
164#define CONFIG_SYS_HZ 1000
Kumar Gala47d41cc2009-02-05 20:40:57 -0600165
Mike Frysinger21513742011-05-10 16:22:25 -0400166/* Blackfin POST tests */
167#ifdef CONFIG_POST_BSPEC1_GPIO_LEDS
168# define CONFIG_POST_BSPEC1 \
169 { \
170 "LED test", "led", "This test verifies LEDs on the board.", \
171 POST_MEM | POST_ALWAYS, &led_post_test, NULL, NULL, \
172 CONFIG_SYS_POST_BSPEC1, \
173 }
174#endif
175#ifdef CONFIG_POST_BSPEC2_GPIO_BUTTONS
176# define CONFIG_POST_BSPEC2 \
177 { \
178 "Button test", "button", "This test verifies buttons on the board.", \
179 POST_MEM | POST_ALWAYS, &button_post_test, NULL, NULL, \
180 CONFIG_SYS_POST_BSPEC2, \
181 }
182#endif
183
Kumar Gala47d41cc2009-02-05 20:40:57 -0600184#endif