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// SPDX-License-Identifier: GPL-2.0-or-later
#include <common.h>
#include <init.h>
#include <io.h>
#include <mach/imx1-regs.h>
#include <mach/weim.h>
#include <mach/iomux-v1.h>
#include <mach/generic.h>
#include <reset_source.h>
#define MX1_RSR MX1_SCM_BASE_ADDR
#define RSR_EXR (1 << 0)
#define RSR_WDR (1 << 1)
static void imx1_detect_reset_source(void)
{
u32 val = readl((void *)MX1_RSR) & 0x3;
switch (val) {
case RSR_EXR:
reset_source_set(RESET_RST);
return;
case RSR_WDR:
reset_source_set(RESET_WDG);
return;
case 0:
reset_source_set(RESET_POR);
return;
default:
/* else keep the default 'unknown' state */
return;
}
}
void imx1_setup_eimcs(size_t cs, unsigned upper, unsigned lower)
{
writel(upper, MX1_EIM_BASE_ADDR + cs * 8);
writel(lower, MX1_EIM_BASE_ADDR + 4 + cs * 8);
}
#include <mach/esdctl.h>
int imx1_init(void)
{
imx1_detect_reset_source();
add_generic_device("imx1-sdramc", 0, NULL, MX1_SDRAMC_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
return 0;
}
int imx1_devices_init(void)
{
add_generic_device("imx1-ccm", 0, NULL, MX1_CCM_BASE_ADDR, 0x1000, IORESOURCE_MEM, NULL);
add_generic_device("imx1-gpt", 0, NULL, MX1_TIM1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
add_generic_device("imx1-gpio", 0, NULL, MX1_GPIO1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
add_generic_device("imx1-gpio", 1, NULL, MX1_GPIO2_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
add_generic_device("imx1-gpio", 2, NULL, MX1_GPIO3_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
add_generic_device("imx1-gpio", 3, NULL, MX1_GPIO4_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
add_generic_device("imx1-wdt", 0, NULL, MX1_WDT_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL);
return 0;
}
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