Merge pull request #73 from logicog/dio

Enable Flash Dual I/O command by default.
Speed up data transfers up to 2x.

cmd_parser.c

@@ -23,7 +23,6 @@
 #pragma constseg BANK1
 
 extern __code struct machine machine;
-extern __xdata uint16_t mpos;
 extern __xdata uint8_t stpEnabled;
 extern __code uint8_t log_to_phys_port[9];
 

httpd/httpd.c

@@ -41,7 +41,6 @@ __xdata uint8_t outbuf[TCP_OUTBUF_SIZE];
 __xdata uint8_t entry;
 __xdata uint16_t slen;
 __xdata uint16_t o_idx;
-__xdata uint16_t mpos;
 __xdata uint16_t len_left;
 __xdata uint16_t cont_len;
 __xdata uint32_t cont_addr;

rtl837x_flash.c

@@ -8,8 +8,6 @@
 #include "rtl837x_sfr.h"
 
 __xdata uint8_t dio_enabled;
-__xdata uint8_t markbuf[16];
-extern __xdata uint16_t mpos;
 __xdata struct flash_region_t flash_region;
 
 
@@ -159,6 +157,8 @@ void flash_read_jedecid(void)
 	SFR_FLASH_MODEB = 0x0;
 	SFR_FLASH_CMD_R = CMD_FREAD;
 	SFR_FLASH_DUMMYCYCLES = 8;
+
+	flash_configure_mmio();
 }
 
 
@@ -318,6 +318,8 @@ void flash_read_security(void)
 
 		flash_region.len -= 4;
 	} while(flash_region.len);
+
+	flash_configure_mmio();
 }
 
 

rtlplayground.c

@@ -1740,7 +1740,7 @@ void bootloader(void)
 
 	print_string("\nStarting up...\n");
 	print_string("  Flash controller\n");
-	flash_init(0);
+	flash_init(1);
 
 	// Reset NIC
 	reg_bit_set(RTL837X_REG_RESET, RESET_NIC_BIT);