mirror of
https://github.com/AsahiLinux/u-boot
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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/*
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* (C) Copyright 2012 SAMSUNG Electronics
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* Jaehoon Chung <jh80.chung@samsung.com>
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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, MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <malloc.h>
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#include <dwmmc.h>
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#include <asm/arch/dwmmc.h>
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#include <asm/arch/clk.h>
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static char *EXYNOS_NAME = "EXYNOS DWMMC";
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static void exynos_dwmci_clksel(struct dwmci_host *host)
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{
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u32 val;
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val = DWMCI_SET_SAMPLE_CLK(DWMCI_SHIFT_0) |
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DWMCI_SET_DRV_CLK(DWMCI_SHIFT_0) | DWMCI_SET_DIV_RATIO(0);
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dwmci_writel(host, DWMCI_CLKSEL, val);
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}
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int exynos_dwmci_init(u32 regbase, int bus_width, int index)
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{
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struct dwmci_host *host = NULL;
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host = malloc(sizeof(struct dwmci_host));
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if (!host) {
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printf("dwmci_host malloc fail!\n");
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return 1;
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}
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host->name = EXYNOS_NAME;
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host->ioaddr = (void *)regbase;
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host->buswidth = bus_width;
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host->clksel = exynos_dwmci_clksel;
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host->dev_index = index;
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add_dwmci(host, 52000000, 400000);
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return 0;
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}
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