mirror of
https://github.com/AsahiLinux/u-boot
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72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
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/*
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* Code for early processor initialization
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*
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* Copyright (c) 2004-2011 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 __BFIN_INITCODE_H__
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#define __BFIN_INITCODE_H__
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#include <asm/mach-common/bits/bootrom.h>
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#ifndef BFIN_IN_INITCODE
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# define serial_putc(c)
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#endif
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#ifndef CONFIG_EBIU_RSTCTL_VAL
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# define CONFIG_EBIU_RSTCTL_VAL 0 /* only MDDRENABLE is useful */
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#endif
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#if ((CONFIG_EBIU_RSTCTL_VAL & 0xFFFFFFC4) != 0)
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# error invalid EBIU_RSTCTL value: must not set reserved bits
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#endif
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#ifndef CONFIG_EBIU_MBSCTL_VAL
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# define CONFIG_EBIU_MBSCTL_VAL 0
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#endif
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#if defined(CONFIG_EBIU_DDRQUE_VAL) && ((CONFIG_EBIU_DDRQUE_VAL & 0xFFFF8000) != 0)
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# error invalid EBIU_DDRQUE value: must not set reserved bits
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#endif
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__attribute__((always_inline)) static inline void
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program_async_controller(ADI_BOOT_DATA *bs)
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{
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#ifdef BFIN_IN_INITCODE
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/*
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* We really only need to setup the async banks early if we're
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* booting out of it. Otherwise, do it later on in cpu_init.
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*/
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if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS &&
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CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_PARA)
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return;
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#endif
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serial_putc('a');
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/* Program the async banks controller. */
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bfin_write_EBIU_AMBCTL0(CONFIG_EBIU_AMBCTL0_VAL);
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bfin_write_EBIU_AMBCTL1(CONFIG_EBIU_AMBCTL1_VAL);
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bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL);
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serial_putc('b');
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/* Not all parts have these additional MMRs. */
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#ifdef EBIU_MBSCTL
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bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTL_VAL);
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#endif
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#ifdef EBIU_MODE
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# ifdef CONFIG_EBIU_MODE_VAL
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bfin_write_EBIU_MODE(CONFIG_EBIU_MODE_VAL);
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# endif
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# ifdef CONFIG_EBIU_FCTL_VAL
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bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTL_VAL);
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# endif
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#endif
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serial_putc('c');
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}
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#endif
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