first commit

2016-08-22 11:22:31 +03:00
commit e0d07fd491
12 changed files with 1189 additions and 0 deletions
--- a/rtl8710_flasher.c
+++ b/rtl8710_flasher.c
@@ -0,0 +1,101 @@
+#include "rtl8710.h"
+#include <stdio.h>
+#include "spi_flash.h"
+
+#define MEM_START            (*(volatile uint32_t *)(BUFFER + 0x00))
+#define MEM_COMMAND          (*(volatile uint32_t *)(BUFFER + 0x04))
+#define MEM_STATUS           (*(volatile uint32_t *)(BUFFER + 0x08))
+#define MEM_PARAM            (*(volatile uint32_t *)(BUFFER + 0x0C))
+#define MEM_OFFSET           (*(volatile uint32_t *)(BUFFER + 0x10))
+#define MEM_LEN              (*(volatile uint32_t *)(BUFFER + 0x14))
+#define MEM_DATA             ((volatile uint8_t *)(BUFFER + 0x20))
+
+#define COMMAND_READ_ID      0
+#define COMMAND_MASS_ERASE   1
+#define COMMAND_SECTOR_ERASE 2
+#define COMMAND_READ         3
+#define COMMAND_WRITE        4
+#define COMMAND_VERIFY       5
+
+int __attribute__((section(".vectors"))) main(){
+	uint32_t p, i, l;
+	uint8_t read_buffer[16];
+
+	PERI_ON->PESOC_CLK_CTRL |= PERI_ON_CLK_CTRL_ACTCK_GPIO_EN | PERI_ON_CLK_CTRL_SLPCK_GPIO_EN; // enable gpio peripheral clock
+	PERI_ON->SOC_PERI_FUNC1_EN |= PERI_ON_SOC_PERI_FUNC1_EN_GPIO; // enable gpio peripheral
+
+	PERI_ON->GPIO_SHTDN_CTRL = 0xFF;
+	PERI_ON->GPIO_DRIVING_CTRL = 0xFF;
+
+	spi_flash_init();
+
+	// read jedec info
+	spi_flash_wait_busy();
+	MEM_PARAM = spi_flash_jedec_id();
+	spi_flash_wait_busy();
+
+	while(1){
+		MEM_START = 0x00000000;
+		while(MEM_START == 0x00000000);
+		if(MEM_COMMAND == COMMAND_READ_ID){
+			MEM_PARAM = 0x00000000;
+			spi_flash_wait_busy();
+			MEM_PARAM = spi_flash_jedec_id();
+			spi_flash_wait_busy();
+		}else if(MEM_COMMAND == COMMAND_MASS_ERASE){
+			spi_flash_wait_busy();
+			spi_flash_cmd(0x06);
+			spi_flash_wait_wel();
+			spi_flash_cmd(0xC7);
+			spi_flash_wait_busy();
+			spi_flash_cmd(0x04);
+			spi_flash_wait_busy();
+		}else if(MEM_COMMAND == COMMAND_SECTOR_ERASE){
+			spi_flash_wait_busy();
+			spi_flash_cmd(0x06);
+			spi_flash_wait_wel();
+			spi_flash_sector_erase(MEM_OFFSET);
+			spi_flash_wait_busy();
+			spi_flash_cmd(0x04);
+			spi_flash_wait_busy();
+		}else if(MEM_COMMAND == COMMAND_READ){
+			spi_flash_wait_busy();
+			p = MEM_OFFSET;
+			for(i = 0; i < MEM_LEN; i += 16, p += 16){
+				spi_flash_read(p, (void *)&MEM_DATA[i], 16);
+			}
+			spi_flash_wait_busy();
+		}else if(MEM_COMMAND == COMMAND_WRITE){
+			for(p = 0; p < MEM_LEN; p += 256){
+				spi_flash_wait_busy();
+				spi_flash_cmd(0x06);
+				spi_flash_wait_wel();
+				spi_flash_write((MEM_OFFSET + p), (void *)&MEM_DATA[p], 256);
+				spi_flash_wait_busy();
+				spi_flash_cmd(0x04);
+				spi_flash_wait_busy();
+			}
+		}else if(MEM_COMMAND == COMMAND_VERIFY){
+			spi_flash_wait_busy();
+			for(p = 0; p < MEM_LEN; p += 16){
+				spi_flash_read((MEM_OFFSET + p), read_buffer, 16);
+				l = MEM_LEN - p;
+				if(l > 16)l = 16;
+				for(i = 0; i < l; i++){
+					if(read_buffer[i] != MEM_DATA[p + i]){
+						break;
+					}
+				}
+				if(i < l){
+					MEM_STATUS = 0x00000001;
+					MEM_PARAM = p;
+					break;
+				}
+				spi_flash_wait_busy();
+			}
+		}else{
+			MEM_STATUS = 0x00000001;
+		}
+	}
+}
+