mirror of
https://github.com/AsahiLinux/u-boot
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f1683aa73c
This allows us to use the same DRAM init function on all archs. Add a dummy function for arc, which does not use DRAM init here. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Dummy function on nios2] Signed-off-by: Tom Rini <trini@konsulko.com>
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/*
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* (C) Copyright 2000-2005
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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long int spd_sdram(void);
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int board_early_init_f(void)
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{
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mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
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mtdcr(UIC0ER, 0x00000000); /* disable all ints */
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mtdcr(UIC0CR, 0x00000010);
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mtdcr(UIC0PR, 0xFFFF7FF0); /* set int polarities */
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mtdcr(UIC0TR, 0x00000010); /* set int trigger levels */
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mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
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/*
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* Configure CPC0_PCI to enable PerWE as output
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* and enable the internal PCI arbiter if selected
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*/
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if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
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mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
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else
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mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN);
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return 0;
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}
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/*
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* Check Board Identity:
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*/
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int checkboard(void)
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{
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char buf[64];
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int i = getenv_f("serial#", buf, sizeof(buf));
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puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
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if (i > 0) {
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puts(", serial# ");
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puts(buf);
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}
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putc('\n');
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return (0);
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}
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/* -------------------------------------------------------------------------
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dram_init() reads EEPROM via I2c. EEPROM contains all of
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the necessary info for SDRAM controller configuration
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------------------------------------------------------------------------- */
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int dram_init(void)
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{
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gd->ram_size = spd_sdram();
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return 0;
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}
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