mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-19 17:48:01 +09:00
821ad16fa9
The CONFIG_BFIN_CPU option is largely used in the build system, so move it out of the board config.h and into the board config.mk. It'd be nice to keep everything in the config.h, but the patch to extract that value early was rejected. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
/*
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* config.h - setup common defines for Blackfin boards based on config.h
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*
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* Copyright (c) 2007-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef __ASM_BLACKFIN_CONFIG_POST_H__
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#define __ASM_BLACKFIN_CONFIG_POST_H__
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#ifndef CONFIG_BFIN_SCRATCH_REG
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# define CONFIG_BFIN_SCRATCH_REG retn
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#endif
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/* Relocation to SDRAM works on all Blackfin boards */
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#define CONFIG_RELOC_FIXUP_WORKS
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/* Make sure the structure is properly aligned */
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#if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR)
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# error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned
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#endif
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/* Set default CONFIG_VCO_HZ if need be */
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#if !defined(CONFIG_VCO_HZ)
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# if (CONFIG_CLKIN_HALF == 0)
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# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
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# else
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# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2)
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# endif
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#endif
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/* Set default CONFIG_CCLK_HZ if need be */
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#if !defined(CONFIG_CCLK_HZ)
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# if (CONFIG_PLL_BYPASS == 0)
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# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV)
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# else
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# define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ
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# endif
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#endif
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/* Set default CONFIG_SCLK_HZ if need be */
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#if !defined(CONFIG_SCLK_HZ)
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# if (CONFIG_PLL_BYPASS == 0)
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# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV)
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# else
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# define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ
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# endif
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#endif
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/* Since we use these to program PLL registers directly,
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* make sure the values are sane and won't screw us up.
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*/
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#if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT
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# error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63)
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#endif
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#if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF
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# error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1
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#endif
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#if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS
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# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
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#endif
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/* If we are using KGDB, make sure we defer exceptions */
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#ifdef CONFIG_CMD_KGDB
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# define CONFIG_EXCEPTION_DEFER 1
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#endif
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/* Using L1 scratch pad makes sense for everyone by default. */
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#ifndef CONFIG_LINUX_CMDLINE_ADDR
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# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
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#endif
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#ifndef CONFIG_LINUX_CMDLINE_SIZE
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# define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE
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#endif
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/* Set default SPI flash CS to the one we boot from */
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#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS)
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# define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL
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#endif
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/* We need envcrc to embed the env into LDRs */
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#ifdef CONFIG_ENV_IS_EMBEDDED_IN_LDR
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# define CONFIG_BUILD_ENVCRC
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#endif
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/* Default/common Blackfin memory layout */
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#ifndef CONFIG_SYS_SDRAM_BASE
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# define CONFIG_SYS_SDRAM_BASE 0
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#endif
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#ifndef CONFIG_SYS_MAX_RAM_SIZE
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# define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024)
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#endif
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#ifndef CONFIG_SYS_MONITOR_BASE
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# if CONFIG_SYS_MAX_RAM_SIZE
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# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN)
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# else
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# define CONFIG_SYS_MONITOR_BASE 0
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# endif
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#endif
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#ifndef CONFIG_SYS_MALLOC_BASE
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# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
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#endif
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#ifndef CONFIG_SYS_GBL_DATA_SIZE
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# define CONFIG_SYS_GBL_DATA_SIZE (128)
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#endif
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#ifndef CONFIG_SYS_GBL_DATA_ADDR
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# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE)
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#endif
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#ifndef CONFIG_STACKBASE
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# define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4)
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#endif
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#ifndef CONFIG_SYS_MEMTEST_START
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# define CONFIG_SYS_MEMTEST_START 0
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#endif
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#ifndef CONFIG_SYS_MEMTEST_END
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# define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4)
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#endif
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/* Check to make sure everything fits in external RAM */
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#if CONFIG_SYS_MAX_RAM_SIZE && \
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((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE)
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# error Memory Map does not fit into configuration
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#endif
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/* Default/common Blackfin environment settings */
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#ifndef CONFIG_LOADADDR
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# define CONFIG_LOADADDR 0x1000000
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#endif
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#ifndef CONFIG_SYS_LOAD_ADDR
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# define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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#endif
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#ifndef CONFIG_SYS_BOOTM_LEN
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# define CONFIG_SYS_BOOTM_LEN 0x4000000
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#endif
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#ifndef CONFIG_SYS_PROMPT
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# define CONFIG_SYS_PROMPT "bfin> "
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#endif
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#ifndef CONFIG_SYS_CBSIZE
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# define CONFIG_SYS_CBSIZE 1024
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#elif defined(CONFIG_CMD_KGDB) && CONFIG_SYS_CBSIZE < 1024
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# error "kgdb needs cbsize to be >= 1024"
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#endif
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#ifndef CONFIG_SYS_BARGSIZE
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# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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#endif
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#ifndef CONFIG_SYS_PBSIZE
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# define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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#endif
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#ifndef CONFIG_SYS_MAXARGS
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# define CONFIG_SYS_MAXARGS 16
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#endif
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#if defined(CONFIG_SYS_HZ)
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# if (CONFIG_SYS_HZ != 1000)
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# warning "CONFIG_SYS_HZ must always be 1000"
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# endif
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# undef CONFIG_SYS_HZ
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#endif
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#define CONFIG_SYS_HZ 1000
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#ifndef CONFIG_SYS_BAUDRATE_TABLE
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# define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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#endif
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#endif
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