mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
72 lines
2 KiB
C
72 lines
2 KiB
C
/*
|
|
* blackfin-config-post.h - setup common defines for Blackfin boards based on config.h
|
|
*
|
|
* Copyright (c) 2007 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#ifndef __ASM_BLACKFIN_CONFIG_POST_H__
|
|
#define __ASM_BLACKFIN_CONFIG_POST_H__
|
|
|
|
/* Check to make sure everything fits in external RAM */
|
|
#if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
|
|
# error Memory Map does not fit into configuration
|
|
#endif
|
|
|
|
/* Sanity check CONFIG_BFIN_CPU */
|
|
#ifndef CONFIG_BFIN_CPU
|
|
# error CONFIG_BFIN_CPU: your board config needs to define this
|
|
#endif
|
|
|
|
/* Make sure the structure is properly aligned */
|
|
#if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
|
|
# error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
|
|
#endif
|
|
|
|
/* Set default CONFIG_VCO_HZ if need be */
|
|
#if !defined(CONFIG_VCO_HZ)
|
|
# if (CONFIG_CLKIN_HALF == 0)
|
|
# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
|
|
# else
|
|
# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
|
|
# endif
|
|
#endif
|
|
|
|
/* Set default CONFIG_CCLK_HZ if need be */
|
|
#if !defined(CONFIG_CCLK_HZ)
|
|
# if (CONFIG_PLL_BYPASS == 0)
|
|
# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
|
|
# else
|
|
# define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
|
|
# endif
|
|
#endif
|
|
|
|
/* Set default CONFIG_SCLK_HZ if need be */
|
|
#if !defined(CONFIG_SCLK_HZ)
|
|
# if (CONFIG_PLL_BYPASS == 0)
|
|
# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
|
|
# else
|
|
# define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
|
|
# endif
|
|
#endif
|
|
|
|
/* Since we use these to program PLL registers directly,
|
|
* make sure the values are sane and won't screw us up.
|
|
*/
|
|
#if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
|
|
# error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
|
|
#endif
|
|
#if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
|
|
# error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
|
|
#endif
|
|
#if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
|
|
# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
|
|
#endif
|
|
|
|
/* Using L1 scratch pad makes sense for everyone by default. */
|
|
#ifndef CMD_LINE_ADDR
|
|
# define CMD_LINE_ADDR L1_SRAM_SCRATCH
|
|
#endif
|
|
|
|
#endif
|