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https://github.com/brain-hackers/u-boot-brain
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8ca805e102
The r0p7734 board has SH7734, 128MB DDR2-SDRAM, USB, Ethernet, and more. This patch supports the following functions: - 128MB DDR2-SDRAM - 32MB NOR Flash memory - Serial console (SCIF) - Ethernet (SH-Ether/SMSC) Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
/*
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* Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
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* Copyright (C) 2011 Renesas Solutions Corp.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/processor.h>
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#include <netdev.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define MODEMR (0xFFCC0020)
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#define MODEMR_MASK (0x6)
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#define MODEMR_533MHZ (0x2)
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int checkboard(void)
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{
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u32 r = readl(MODEMR);
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if ((r & MODEMR_MASK) & MODEMR_533MHZ)
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puts("CPU Clock: 533MHz\n");
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else
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puts("CPU Clock: 400MHz\n");
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puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
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return 0;
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}
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#define MSTPSR1 (0xFFC80044)
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#define MSTPCR1 (0xFFC80034)
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#define MSTPSR1_GETHER (1 << 14)
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int board_init(void)
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{
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#if defined(CONFIG_SH_ETHER)
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u32 r = readl(MSTPSR1);
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if (r & MSTPSR1_GETHER)
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writel((r & ~MSTPSR1_GETHER), MSTPCR1);
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#endif
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return 0;
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}
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int dram_init(void)
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{
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gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
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printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
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return 0;
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}
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#ifdef CONFIG_SMC911X
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
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return rc;
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}
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#endif
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