mirror of
https://github.com/brain-hackers/u-boot-brain
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![Mike Frysinger](/assets/img/avatar_default.png)
All of the duplicated code for Blackfin processors and boot modes have been unified. After all, the core is the same for all processors, just the peripheral set differs (which gets handled in the drivers). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* blackfin-config-post.h - setup common defines for Blackfin boards based on config.h
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*
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* Copyright (c) 2007 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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/* Check to make sure everything fits in external RAM */
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#if ((CFG_MONITOR_BASE + CFG_MONITOR_LEN) > CFG_MAX_RAM_SIZE)
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# error Memory Map does not fit into configuration
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#endif
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/* Sanity check CONFIG_BFIN_CPU */
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#ifndef CONFIG_BFIN_CPU
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# error CONFIG_BFIN_CPU: your board config needs to define this
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#endif
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/* Make sure the structure is properly aligned */
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#if ((CFG_GBL_DATA_ADDR & -4) != CFG_GBL_DATA_ADDR)
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# error CFG_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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/* Using L1 scratch pad makes sense for everyone by default. */
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#ifndef CMD_LINE_ADDR
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# define CMD_LINE_ADDR L1_SRAM_SCRATCH
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#endif
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#endif
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