77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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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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*/
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#include <common.h>
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#include <init.h>
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#include <io.h>
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#include <mach/imx1-regs.h>
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#include <mach/weim.h>
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#include <mach/iomux-v1.h>
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#include <mach/generic.h>
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#include <reset_source.h>
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#define MX1_RSR MX1_SCM_BASE_ADDR
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#define RSR_EXR (1 << 0)
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#define RSR_WDR (1 << 1)
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static void imx1_detect_reset_source(void)
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{
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u32 val = readl((void *)MX1_RSR) & 0x3;
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switch (val) {
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case RSR_EXR:
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reset_source_set(RESET_RST);
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return;
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case RSR_WDR:
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reset_source_set(RESET_WDG);
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return;
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case 0:
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reset_source_set(RESET_POR);
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return;
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default:
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/* else keep the default 'unknown' state */
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return;
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}
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}
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void imx1_setup_eimcs(size_t cs, unsigned upper, unsigned lower)
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{
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writel(upper, MX1_EIM_BASE_ADDR + cs * 8);
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writel(lower, MX1_EIM_BASE_ADDR + 4 + cs * 8);
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}
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#include <mach/esdctl.h>
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int imx1_init(void)
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{
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imx1_detect_reset_source();
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add_generic_device("imx1-sdramc", 0, NULL, MX1_SDRAMC_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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return 0;
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}
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int imx1_devices_init(void)
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{
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imx_iomuxv1_init((void *)MX1_GPIO1_BASE_ADDR);
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add_generic_device("imx1-ccm", 0, NULL, MX1_CCM_BASE_ADDR, 0x1000, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-gpt", 0, NULL, MX1_TIM1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-gpio", 0, NULL, MX1_GPIO1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-gpio", 1, NULL, MX1_GPIO2_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-gpio", 2, NULL, MX1_GPIO3_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-gpio", 3, NULL, MX1_GPIO4_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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add_generic_device("imx1-wdt", 0, NULL, MX1_WDT_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
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return 0;
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}
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