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// SPDX-License-Identifier: GPL-2.0
#include <common.h>
#include <init.h>
#include <bootsource.h>
#include <linux/bitfield.h>
#include <mach/layerscape/layerscape.h>
#include <soc/fsl/immap_lsch2.h>
#include <soc/fsl/immap_lsch3.h>
enum bootsource ls1046a_bootsource_get(void)
{
void __iomem *dcfg = IOMEM(LSCH2_DCFG_ADDR);
uint32_t rcw_src;
rcw_src = in_be32(dcfg) >> 23;
if (rcw_src == 0x40)
return BOOTSOURCE_MMC;
if ((rcw_src & 0x1fe) == 0x44)
return BOOTSOURCE_SPI_NOR;
if ((rcw_src & 0x1f0) == 0x10)
/* 8bit NOR Flash */
return BOOTSOURCE_NOR;
if ((rcw_src & 0x1f0) == 0x20)
/* 16bit NOR Flash */
return BOOTSOURCE_NOR;
return BOOTSOURCE_UNKNOWN;
}
enum bootsource ls1021a_bootsource_get(void)
{
return ls1046a_bootsource_get();
}
void ls1021a_bootsource_init(void)
{
bootsource_set_raw(ls1021a_bootsource_get(), BOOTSOURCE_INSTANCE_UNKNOWN);
}
void ls1046a_bootsource_init(void)
{
bootsource_set_raw(ls1046a_bootsource_get(), BOOTSOURCE_INSTANCE_UNKNOWN);
}
#define PORSR1_RCW_SRC GENMASK(26, 23)
static enum bootsource ls1028a_bootsource_get(int *instance)
{
void __iomem *porsr1 = IOMEM(LSCH3_DCFG_BASE);
uint32_t rcw_src;
rcw_src = FIELD_GET(PORSR1_RCW_SRC, readl(porsr1));
printf("%s: 0x%08x\n", __func__, rcw_src);
switch (rcw_src) {
case 8:
*instance = 0;
return BOOTSOURCE_MMC;
case 9:
*instance = 1;
return BOOTSOURCE_MMC;
case 0xa:
return BOOTSOURCE_I2C;
case 0xd:
case 0xc:
return BOOTSOURCE_NAND;
case 0xf:
return BOOTSOURCE_SPI_NOR;
}
return BOOTSOURCE_UNKNOWN;
}
void ls1028a_bootsource_init(void)
{
int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
enum bootsource source = ls1028a_bootsource_get(&instance);
bootsource_set_raw(source, instance);
}
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