espressif/esp-idf
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make bootloader_support support esp32s2beta

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This commit is contained in:
suda-morris
2019-05-27 14:29:43 +08:00
parent b146104885
commit 61ce868396
62 changed files with 1914 additions and 336 deletions
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99
components/bootloader_support/src/bootloader_flash.c
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@@ -17,6 +17,9 @@
#include <esp_log.h>
#include <esp_spi_flash.h> /* including in bootloader for error values */
#include <esp_flash_encrypt.h>
#if CONFIG_IDF_TARGET_ESP32S2BETA
#include "esp32s2beta/rom/spi_flash.h"
#endif
#ifndef BOOTLOADER_BUILD
/* Normal app version maps to esp_spi_flash.h operations...
@@ -32,7 +35,7 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
return NULL; /* existing mapping in use... */
}
const void *result = NULL;
uint32_t src_page = src_addr & ~(SPI_FLASH_MMU_PAGE_SIZE-1);
uint32_t src_page = src_addr & ~(SPI_FLASH_MMU_PAGE_SIZE - 1);
size += (src_addr - src_page);
esp_err_t err = spi_flash_mmap(src_page, size, SPI_FLASH_MMAP_DATA, &result, &map);
if (err != ESP_OK) {
@@ -44,7 +47,7 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
void bootloader_munmap(const void *mapping)
{
if(mapping && map) {
if (mapping && map) {
spi_flash_munmap(map);
}
map = 0;
@@ -62,7 +65,11 @@ esp_err_t bootloader_flash_read(size_t src, void *dest, size_t size, bool allow_
esp_err_t bootloader_flash_write(size_t dest_addr, void *src, size_t size, bool write_encrypted)
{
if (write_encrypted) {
#if CONFIG_IDF_TARGET_ESP32
return spi_flash_write_encrypted(dest_addr, src, size);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
return SPI_Encrypt_Write(dest_addr, src, size);
#endif
} else {
return spi_flash_write(dest_addr, src, size);
}
@@ -81,16 +88,30 @@ esp_err_t bootloader_flash_erase_range(uint32_t start_addr, uint32_t size)
#else
/* Bootloader version, uses ROM functions only */
#include <soc/dport_reg.h>
#if CONFIG_IDF_TARGET_ESP32
#include <esp32/rom/spi_flash.h>
#include <esp32/rom/cache.h>
#elif CONFIG_IDF_TARGET_ESP32S2BETA
#include <esp32s2beta/rom/spi_flash.h>
#include <esp32s2beta/rom/cache.h>
#endif
static const char *TAG = "bootloader_flash";
#if CONFIG_IDF_TARGET_ESP32
/* Use first 50 blocks in MMU for bootloader_mmap,
50th block for bootloader_flash_read
*/
#define MMU_BLOCK0_VADDR 0x3f400000
#define MMU_BLOCK50_VADDR 0x3f720000
#define MMU_BLOCK0_VADDR SOC_DROM_LOW
#define MMU_SIZE (0x320000)
#define MMU_BLOCK50_VADDR (MMU_BLOCK0_VADDR + MMU_SIZE)
#elif CONFIG_IDF_TARGET_ESP32S2BETA
/* Use first 63 blocks in MMU for bootloader_mmap,
63th block for bootloader_flash_read
*/
#define MMU_BLOCK0_VADDR SOC_DROM_LOW
#define MMU_SIZE (0x3f0000)
#define MMU_BLOCK63_VADDR (MMU_BLOCK0_VADDR + MMU_SIZE)
#endif
static bool mapped;
@@ -103,25 +124,41 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
ESP_LOGE(TAG, "tried to bootloader_mmap twice");
return NULL; /* can't map twice */
}
if (size > 0x320000) {
/* Allow mapping up to 50 of the 51 available MMU blocks (last one used for reads) */
if (size > MMU_SIZE) {
ESP_LOGE(TAG, "bootloader_mmap excess size %x", size);
return NULL;
}
uint32_t src_addr_aligned = src_addr & MMU_FLASH_MASK;
uint32_t count = bootloader_cache_pages_to_map(size, src_addr);
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Disable(0);
Cache_Flush(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
uint32_t autoload = Cache_Suspend_ICache();
Cache_Invalidate_ICache_All();
#endif
ESP_LOGD(TAG, "mmu set paddr=%08x count=%d size=%x src_addr=%x src_addr_aligned=%x",
src_addr & MMU_FLASH_MASK, count, size, src_addr, src_addr_aligned );
src_addr & MMU_FLASH_MASK, count, size, src_addr, src_addr_aligned );
#if CONFIG_IDF_TARGET_ESP32
int e = cache_flash_mmu_set(0, 0, MMU_BLOCK0_VADDR, src_addr_aligned, 64, count);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
int e = Cache_Ibus_MMU_Set(DPORT_MMU_ACCESS_FLASH, MMU_BLOCK0_VADDR, src_addr_aligned, 64, count, 0);
#endif
if (e != 0) {
ESP_LOGE(TAG, "cache_flash_mmu_set failed: %d\n", e);
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Enable(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(autoload);
#endif
return NULL;
}
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Enable(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(autoload);
#endif
mapped = true;
@@ -131,10 +168,17 @@ const void *bootloader_mmap(uint32_t src_addr, uint32_t size)
void bootloader_munmap(const void *mapping)
{
if (mapped) {
#if CONFIG_IDF_TARGET_ESP32
/* Full MMU reset */
Cache_Read_Disable(0);
Cache_Flush(0);
mmu_init(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
//TODO, save the autoload value.
Cache_Suspend_ICache();
Cache_Invalidate_ICache_All();
Cache_MMU_Init();
#endif
mapped = false;
current_read_mapping = UINT32_MAX;
}
@@ -142,7 +186,7 @@ void bootloader_munmap(const void *mapping)
static esp_err_t spi_to_esp_err(esp_rom_spiflash_result_t r)
{
switch(r) {
switch (r) {
case ESP_ROM_SPIFLASH_RESULT_OK:
return ESP_OK;
case ESP_ROM_SPIFLASH_RESULT_ERR:
@@ -156,10 +200,18 @@ static esp_err_t spi_to_esp_err(esp_rom_spiflash_result_t r)
static esp_err_t bootloader_flash_read_no_decrypt(size_t src_addr, void *dest, size_t size)
{
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Disable(0);
Cache_Flush(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
uint32_t autoload = Cache_Suspend_ICache();
#endif
esp_rom_spiflash_result_t r = esp_rom_spiflash_read(src_addr, dest, size);
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Enable(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(autoload);
#endif
return spi_to_esp_err(r);
}
@@ -168,28 +220,46 @@ static esp_err_t bootloader_flash_read_allow_decrypt(size_t src_addr, void *dest
{
uint32_t *dest_words = (uint32_t *)dest;
/* Use the 51st MMU mapping to read from flash in 64KB blocks.
(MMU will transparently decrypt if encryption is enabled.)
*/
for (int word = 0; word < size / 4; word++) {
uint32_t word_src = src_addr + word * 4; /* Read this offset from flash */
uint32_t map_at = word_src & MMU_FLASH_MASK; /* Map this 64KB block from flash */
uint32_t *map_ptr;
if (map_at != current_read_mapping) {
/* Move the 64KB mmu mapping window to fit map_at */
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Disable(0);
Cache_Flush(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
uint32_t autoload = Cache_Suspend_ICache();
Cache_Invalidate_ICache_All();
#endif
ESP_LOGD(TAG, "mmu set block paddr=0x%08x (was 0x%08x)", map_at, current_read_mapping);
#if CONFIG_IDF_TARGET_ESP32
int e = cache_flash_mmu_set(0, 0, MMU_BLOCK50_VADDR, map_at, 64, 1);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
int e = Cache_Ibus_MMU_Set(DPORT_MMU_ACCESS_FLASH, MMU_BLOCK63_VADDR, map_at, 64, 1, 0);
#endif
if (e != 0) {
ESP_LOGE(TAG, "cache_flash_mmu_set failed: %d\n", e);
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Enable(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(autoload);
#endif
return ESP_FAIL;
}
current_read_mapping = map_at;
#if CONFIG_IDF_TARGET_ESP32
Cache_Read_Enable(0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(autoload);
#endif
}
#if CONFIG_IDF_TARGET_ESP32
map_ptr = (uint32_t *)(MMU_BLOCK50_VADDR + (word_src - map_at));
#elif CONFIG_IDF_TARGET_ESP32S2BETA
map_ptr = (uint32_t *)(MMU_BLOCK63_VADDR + (word_src - map_at));
#endif
dest_words[word] = *map_ptr;
}
return ESP_OK;
@@ -240,7 +310,12 @@ esp_err_t bootloader_flash_write(size_t dest_addr, void *src, size_t size, bool
}
if (write_encrypted) {
#if CONFIG_IDF_TARGET_ESP32
return spi_to_esp_err(esp_rom_spiflash_write_encrypted(dest_addr, src, size));
#elif CONFIG_IDF_TARGET_ESP32S2BETA
// TODO: use the same ROM AP here
return spi_to_esp_err(SPI_Encrypt_Write(dest_addr, src, size));
#endif
} else {
return spi_to_esp_err(esp_rom_spiflash_write(dest_addr, src, size));
}