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/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/bl_common.h>
#include <lib/mmio.h>
#include "uniphier.h"
#define UNIPHIER_REVISION 0x5f800000UL
#define UNIPHIER_REVISION_NEW 0x1f800000UL
static unsigned int uniphier_get_revision_field(unsigned int mask,
unsigned int shift)
{
uintptr_t reg;
if (BL_CODE_BASE >= 0x80000000UL)
reg = UNIPHIER_REVISION;
else
reg = UNIPHIER_REVISION_NEW;
return (mmio_read_32(reg) >> shift) & mask;
}
unsigned int uniphier_get_soc_type(void)
{
return uniphier_get_revision_field(0xff, 16);
}
unsigned int uniphier_get_soc_model(void)
{
return uniphier_get_revision_field(0x07, 8);
}
unsigned int uniphier_get_soc_revision(void)
{
return uniphier_get_revision_field(0x1f, 0);
}
unsigned int uniphier_get_soc_id(void)
{
uint32_t type = uniphier_get_soc_type();
switch (type) {
case 0x31:
return UNIPHIER_SOC_LD11;
case 0x32:
return UNIPHIER_SOC_LD20;
case 0x35:
return UNIPHIER_SOC_PXS3;
default:
return UNIPHIER_SOC_UNKNOWN;
}
}
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