blob: 5cef565bafb07a4e391d887ddd4550c8215baa62 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#include <amdblocks/lpc.h>
#include <amdblocks/spi.h>
#include <arch/mmio.h>
#include <assert.h>
#include <stdint.h>
static uintptr_t spi_base;
void spi_set_base(void *base)
{
spi_base = (uintptr_t)base;
}
uintptr_t spi_get_bar(void)
{
if (ENV_X86 && !spi_base)
spi_set_base((void *)lpc_get_spibase());
ASSERT(spi_base);
return spi_base;
}
uint8_t spi_read8(uint8_t reg)
{
return read8((void *)(spi_get_bar() + reg));
}
uint16_t spi_read16(uint8_t reg)
{
return read16((void *)(spi_get_bar() + reg));
}
uint32_t spi_read32(uint8_t reg)
{
return read32((void *)(spi_get_bar() + reg));
}
void spi_write8(uint8_t reg, uint8_t val)
{
write8((void *)(spi_get_bar() + reg), val);
}
void spi_write16(uint8_t reg, uint16_t val)
{
write16((void *)(spi_get_bar() + reg), val);
}
void spi_write32(uint8_t reg, uint32_t val)
{
write32((void *)(spi_get_bar() + reg), val);
}