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Bootloader: Support switching to Quad I/O mode during boot process

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This commit is contained in:
Angus Gratton
2017-01-30 14:29:50 +11:00
parent 0a678ebe8c
commit 68cba2a1fb
8 changed files with 262 additions and 30 deletions
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30
components/bootloader/src/main/bootloader_start.c
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@@ -46,6 +46,7 @@
#include "bootloader_random.h"
#include "bootloader_config.h"
#include "rtc.h"
#include "flash_qio_mode.h"
extern int _bss_start;
extern int _bss_end;
@@ -263,6 +264,10 @@ void bootloader_main()
ESP_LOGI(TAG, "Enabling RNG early entropy source...");
bootloader_random_enable();
#if CONFIG_FLASHMODE_QIO || CONFIG_FLASHMODE_QOUT
bootloader_enable_qio_mode();
#endif
if(esp_image_load_header(0x1000, true, &fhdr) != ESP_OK) {
ESP_LOGE(TAG, "failed to load bootloader header!");
return;
@@ -632,28 +637,21 @@ void print_flash_info(const esp_image_header_t* phdr)
}
ESP_LOGI(TAG, "SPI Speed : %s", str );
switch ( phdr->spi_mode ) {
case ESP_IMAGE_SPI_MODE_QIO:
/* SPI mode could have been set to QIO during boot already,
so test the SPI registers not the flash header */
uint32_t spi_ctrl = REG_READ(SPI_CTRL_REG(0));
if (spi_ctrl & SPI_FREAD_QIO) {
str = "QIO";
break;
case ESP_IMAGE_SPI_MODE_QOUT:
} else if (spi_ctrl & SPI_FREAD_QUAD) {
str = "QOUT";
break;
case ESP_IMAGE_SPI_MODE_DIO:
} else if (spi_ctrl & SPI_FREAD_DIO) {
str = "DIO";
break;
case ESP_IMAGE_SPI_MODE_DOUT:
} else if (spi_ctrl & SPI_FREAD_DUAL) {
str = "DOUT";
break;
case ESP_IMAGE_SPI_MODE_FAST_READ:
} else if (spi_ctrl & SPI_FASTRD_MODE) {
str = "FAST READ";
break;
case ESP_IMAGE_SPI_MODE_SLOW_READ:
} else {
str = "SLOW READ";
break;
default:
str = "DIO";
break;
}
ESP_LOGI(TAG, "SPI Mode : %s", str );