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/*
* 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 CONFIG_LINUX_CMDLINE_ADDR
# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
#endif
#ifndef CONFIG_LINUX_CMDLINE_SIZE
# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
#endif
#endif
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