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// SPDX-License-Identifier: Apache-2.0
/*
* Copyright 2015 IBM Corp.
*/
#ifndef __IO_H
#define __IO_H
#include <assert.h>
#include <stdint.h>
#include <stdbool.h>
#include <libflash/libflash.h>
/* AST AHB register base */
#define AHB_REGS_BASE 0x1E600000
#define AHB_REGS_SIZE 0x00200000
/* AST GPIO control regs */
#define GPIO_CTRL_BASE 0x1E780000
#define GPIO_CTRL_SIZE 0x1000
/* AST AHB mapping of PNOR */
#define PNOR_FLASH_BASE 0x30000000
#define PNOR_FLASH_SIZE 0x04000000
/* AST AHB mapping of BMC flash */
#define BMC_FLASH_BASE 0x20000000
#define BMC_FLASH_SIZE 0x04000000
/* Address of flash mapping on LPC FW space */
#define LPC_FLASH_BASE 0x0e000000
#define LPC_CTRL_BASE 0x1e789000
static inline uint8_t readb(void *addr)
{
asm volatile("" : : : "memory");
return *(volatile uint8_t *)addr;
}
static inline uint16_t readw(void *addr)
{
asm volatile("" : : : "memory");
return *(volatile uint16_t *)addr;
}
static inline uint32_t readl(void *addr)
{
asm volatile("" : : : "memory");
return *(volatile uint32_t *)addr;
}
static inline void writeb(uint8_t val, void *addr)
{
asm volatile("" : : : "memory");
*(volatile uint8_t *)addr = val;
}
static inline void writew(uint16_t val, void *addr)
{
asm volatile("" : : : "memory");
*(volatile uint16_t *)addr = val;
}
static inline void writel(uint32_t val, void *addr)
{
asm volatile("" : : : "memory");
*(volatile uint32_t *)addr = val;
}
/*
* AHB register and flash access
*/
extern uint32_t ast_ahb_readl(uint32_t offset);
extern void ast_ahb_writel(uint32_t val, uint32_t offset);
extern int ast_copy_to_ahb(uint32_t reg, const void *src, uint32_t len);
extern int ast_copy_from_ahb(void *dst, uint32_t reg, uint32_t len);
static inline void check_platform(bool *has_sfc, bool *has_ast)
{
*has_sfc = false;
*has_ast = true;
}
#endif /* __IO_H */
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