175 lines
6.5 KiB
C

/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _CACHE_MEMORY_H_
#define _CACHE_MEMORY_H_
#include "esp_bit_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
/*IRAM0 is connected with Cache IBUS0*/
#define IRAM0_ADDRESS_LOW 0x40000000
#define IRAM0_ADDRESS_HIGH 0x40400000
#define IRAM0_CACHE_ADDRESS_LOW 0x40080000
#define IRAM0_CACHE_ADDRESS_HIGH 0x40400000
/*IRAM1 is connected with Cache IBUS1*/
#define IRAM1_ADDRESS_LOW 0x40400000
#define IRAM1_ADDRESS_HIGH 0x40800000
/*DROM0 is connected with Cache IBUS2*/
#define DROM0_ADDRESS_LOW 0x3f000000
#define DROM0_ADDRESS_HIGH 0x3f400000
/*DRAM0 is connected with Cache DBUS0*/
#define DRAM0_ADDRESS_LOW 0x3fc00000
#define DRAM0_ADDRESS_HIGH 0x40000000
#define DRAM0_CACHE_ADDRESS_LOW 0x3fc00000
#define DRAM0_CACHE_ADDRESS_HIGH 0x3ff80000
/*DRAM1 is connected with Cache DBUS1*/
#define DRAM1_ADDRESS_LOW 0x3f800000
#define DRAM1_ADDRESS_HIGH 0x3fc00000
/*DPORT is connected with Cache DBUS2*/
#define DPORT_ADDRESS_LOW 0x3f400000
#define DPORT_ADDRESS_HIGH 0x3f800000
#define DPORT_CACHE_ADDRESS_LOW 0x3f500000
#define DPORT_CACHE_ADDRESS_HIGH 0x3f800000
#define BUS_SIZE(bus_name) (bus_name##_ADDRESS_HIGH - bus_name##_ADDRESS_LOW)
#define ADDRESS_IN_BUS(bus_name, vaddr) ((vaddr) >= bus_name##_ADDRESS_LOW && (vaddr) < bus_name##_ADDRESS_HIGH)
#define ADDRESS_IN_IRAM0(vaddr) ADDRESS_IN_BUS(IRAM0, vaddr)
#define ADDRESS_IN_IRAM0_CACHE(vaddr) ADDRESS_IN_BUS(IRAM0_CACHE, vaddr)
#define ADDRESS_IN_IRAM1(vaddr) ADDRESS_IN_BUS(IRAM1, vaddr)
#define ADDRESS_IN_DROM0(vaddr) ADDRESS_IN_BUS(DROM0, vaddr)
#define ADDRESS_IN_DRAM0(vaddr) ADDRESS_IN_BUS(DRAM0, vaddr)
#define ADDRESS_IN_DRAM0_CACHE(vaddr) ADDRESS_IN_BUS(DRAM0_CACHE, vaddr)
#define ADDRESS_IN_DRAM1(vaddr) ADDRESS_IN_BUS(DRAM1, vaddr)
#define ADDRESS_IN_DPORT(vaddr) ADDRESS_IN_BUS(DPORT, vaddr)
#define ADDRESS_IN_DPORT_CACHE(vaddr) ADDRESS_IN_BUS(DPORT_CACHE, vaddr)
#define BUS_IRAM0_CACHE_SIZE BUS_SIZE(IRAM0_CACHE)
#define BUS_IRAM1_CACHE_SIZE BUS_SIZE(IRAM1)
#define BUS_IROM0_CACHE_SIZE BUS_SIZE(IROM0)
#define BUS_DROM0_CACHE_SIZE BUS_SIZE(DROM0)
#define BUS_DRAM0_CACHE_SIZE BUS_SIZE(DRAM0_CACHE)
#define BUS_DRAM1_CACHE_SIZE BUS_SIZE(DRAM1)
#define BUS_DPORT_CACHE_SIZE BUS_SIZE(DPORT_CACHE)
#define PRO_CACHE_IBUS0 0
#define PRO_CACHE_IBUS0_MMU_START 0
#define PRO_CACHE_IBUS0_MMU_END 0x100
#define PRO_CACHE_IBUS1 1
#define PRO_CACHE_IBUS1_MMU_START 0x100
#define PRO_CACHE_IBUS1_MMU_END 0x200
#define PRO_CACHE_IBUS2 2
#define PRO_CACHE_IBUS2_MMU_START 0x200
#define PRO_CACHE_IBUS2_MMU_END 0x300
#define PRO_CACHE_DBUS0 3
#define PRO_CACHE_DBUS0_MMU_START 0x300
#define PRO_CACHE_DBUS0_MMU_END 0x400
#define PRO_CACHE_DBUS1 4
#define PRO_CACHE_DBUS1_MMU_START 0x400
#define PRO_CACHE_DBUS1_MMU_END 0x500
#define PRO_CACHE_DBUS2 5
#define PRO_CACHE_DBUS2_MMU_START 0x500
#define PRO_CACHE_DBUS2_MMU_END 0x600
#define ICACHE_MMU_SIZE 0x300
#define DCACHE_MMU_SIZE 0x300
#define MMU_BUS_START(i) ((i) * 0x100)
#define MMU_BUS_SIZE 0x100
#define MMU_INVALID BIT(14)
#define MMU_VALID 0
#define MMU_ACCESS_FLASH BIT(15)
#define MMU_ACCESS_SPIRAM BIT(16)
/**
* MMU entry valid bit mask for mapping value. For an entry:
* valid bit + value bits
* valid bit is BIT(14), so value bits are 0x3fff
*/
#define MMU_VALID_VAL_MASK 0x3fff
/**
* Max MMU available paddr page num.
* `MMU_MAX_PADDR_PAGE_NUM * SOC_MMU_PAGE_SIZE` means the max paddr address supported by the MMU. e.g.:
* 16384 * 64KB, means MMU can support 1GB paddr at most
*/
#define MMU_MAX_PADDR_PAGE_NUM 16384
/**
* This is the mask used for mapping. e.g.:
* 0x4200_0000 & MMU_VADDR_MASK
*/
#define MMU_VADDR_MASK 0x3FFFFF
//MMU entry num
#define MMU_ENTRY_NUM 384
#define BUS_NUM_MASK 0x3
#define CACHE_MEMORY_BANK_SIZE 8192
#define CACHE_MEMORY_BANK_NUM 4
#define CACHE_MEMORY_BANK_NUM_MASK 0x3
#define CACHE_MEMORY_LAYOUT_SHIFT 4
#define CACHE_MEMORY_LAYOUT_SHIFT0 0
#define CACHE_MEMORY_LAYOUT_SHIFT1 4
#define CACHE_MEMORY_LAYOUT_SHIFT2 8
#define CACHE_MEMORY_LAYOUT_SHIFT3 12
#define CACHE_MEMORY_LAYOUT_MASK 0xf
#define CACHE_MEMORY_BANK0_ADDR 0x3FFB0000
#define CACHE_MEMORY_BANK1_ADDR 0x3FFB2000
#define CACHE_MEMORY_BANK2_ADDR 0x3FFB4000
#define CACHE_MEMORY_BANK3_ADDR 0x3FFB6000
#define SOC_MMU_DBUS_VADDR_BASE 0x3E000000
#define SOC_MMU_IBUS_VADDR_BASE 0x40000000
/*------------------------------------------------------------------------------
* MMU Linear Address
*----------------------------------------------------------------------------*/
/**
* - 64KB MMU page size: the last 0xFFFF, which is the offset
* - 384 MMU entries, needs 0x1FF to hold it.
*
* Therefore, 0x1FF,FFFF
*/
#define SOC_MMU_LINEAR_ADDR_MASK 0x1FFFFFF
#define SOC_MMU_IRAM0_LINEAR_ADDRESS_LOW (IRAM0_CACHE_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_IRAM0_LINEAR_ADDRESS_HIGH (IRAM0_CACHE_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_IRAM1_LINEAR_ADDRESS_LOW (IRAM1_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_IRAM1_LINEAR_ADDRESS_HIGH (IRAM1_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DROM0_LINEAR_ADDRESS_LOW (DROM0_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DROM0_LINEAR_ADDRESS_HIGH (DROM0_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DPORT_LINEAR_ADDRESS_LOW (DPORT_CACHE_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DPORT_LINEAR_ADDRESS_HIGH (DPORT_CACHE_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DRAM1_LINEAR_ADDRESS_LOW (DRAM1_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DRAM1_LINEAR_ADDRESS_HIGH (DRAM1_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DRAM0_LINEAR_ADDRESS_LOW (DRAM0_CACHE_ADDRESS_LOW & SOC_MMU_LINEAR_ADDR_MASK)
#define SOC_MMU_DRAM0_LINEAR_ADDRESS_HIGH (DRAM0_CACHE_ADDRESS_HIGH & SOC_MMU_LINEAR_ADDR_MASK)
#ifdef __cplusplus
}
#endif
#endif /*_CACHE_MEMORY_H_ */