diff options
Diffstat (limited to 'include/asm-blackfin/blackfin-config-post.h')
-rw-r--r-- | include/asm-blackfin/blackfin-config-post.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/asm-blackfin/blackfin-config-post.h b/include/asm-blackfin/blackfin-config-post.h new file mode 100644 index 0000000000..442222513c --- /dev/null +++ b/include/asm-blackfin/blackfin-config-post.h @@ -0,0 +1,72 @@ +/* + * 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 ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) > CFG_MAX_RAM_SIZE) +# error Memory Map does not fit into configuration +#endif + +/* Sanity check BFIN_CPU */ +#ifndef BFIN_CPU +# error BFIN_CPU: your board config needs to define this +#endif + +/* Make sure the structure is properly aligned */ +#if ((CFG_GBL_DATA_ADDR & -4) != CFG_GBL_DATA_ADDR) +# error CFG_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 |