[Bootloader]

- ML402: do baudrate init in board_init()
- use faster memcpy
- print CPU info
- provide extra diagnostic during SREC load

git-svn-id: http://moon:8086/svn/mips@176 a8ebac50-d88d-4704-bea3-6648445a41b3

src/bootloader/boards/ml402/board.c

@@ -52,5 +52,7 @@ uint32_t getBootOffset(uint32_t sel)
 
 void board_init(void)
 {
+	volatile uint32_t *pBaud = (uint32_t)SYS_UART_BAUD;
 	
+	*pBaud = UART_CALC_BAUD(460800);
 }

src/bootloader/bootloader_with_flash.c

@@ -1,4 +1,5 @@
 #include <board.h>
+#include <string.h>
 #include "libsys.h"
 #include "srec.h"
 #include "../cfiflash.h"
@@ -52,9 +53,11 @@ void Exec_at(void *pEntry)
 
 	__asm
 	(
-		// Enable User Mode and Interrupts on RFE
-		// Exception Vector = 0xBFC00080
-		"li		$26, 0x1000000C\n"
+		// On RFE:
+		// (KUp = 1): Enable User Mode
+		// (IEp = 0): Disable Interrupts
+		// (BEV = 1): Exception Vector = 0xBFC00080
+		"li		$26, 0x10000008\n"
 		"mtc0	$26, $12\n"
 	);
 
@@ -108,7 +111,6 @@ void Exec_RE_at(void *pEntry)
 }
 
 #define	MAX_IMG_SIZE		(1024*1024)	// bytes
-#define FLASH_USE_BLOCK		1
 
 int main(int argc, char *argv[])
 {
@@ -133,7 +135,9 @@ int main(int argc, char *argv[])
 	*pGPIO_DATA = GPIO_0_DFLT_DATA;
 	block_sel = 0x7F & (uint32_t)((*pGPIO_DATA >> GPIO_0_ALIGN_DIP) & GPIO_0_MASK_DIP);
 
-	sputs("\nMIPS bootloader\n");
+	sputs("\nMIPS bootloader 2.0\n");
+	PrintCPUinfo();
+	
 	// ----------------------------------------------------------
 	if (IS_ERROR(flash_find(&flash, SYS_FLASH_IO)))
 	{
@@ -193,12 +197,19 @@ int main(int argc, char *argv[])
 				switch (srec_state)
 				{
 					case srec_data:
-						if ((srec.addr + srec.size) > haddr)
-							haddr = srec.addr + srec.size;
+						result = -1;
+						if ((srec.addr + srec.size) > MAX_IMG_SIZE)
+						{
+							sputs("O");
+							break;
+						}
 						
-						pMem = (uint8_t*)srec.addr;
-						for (i=0; i < srec.size; i++)
-							*pMem++ = srec.data[i];
+						memcpy((uint32_t*)srec.addr, srec.data, srec.size);
+						if ((srec.addr + srec.size) > haddr)
+						{
+							haddr = srec.addr + srec.size;
+						}
+						result = 0;
 
 						break;
 
@@ -252,6 +263,7 @@ int main(int argc, char *argv[])
 						break;
 
 					default:
+						sputs("E");
 						result = -1;
 						break;
 				}

src/libsys/uart.c

@@ -19,14 +19,11 @@ const uart_if_t uart_if[2] =
 // ------------------------------------
 // Low-level I/O
 // ------------------------------------
-#define CALC_BAUD(b) \
-	(((10*CPU_FREQ_HZ)/((16*b) + 5))/10 - 1)
-
 void UART_setbaud(void const *pInst, uint32_t baudrate)
 {
 	uart_if_t *pReg = (uart_if_t*)pInst;
 
-	*pReg->pBAUD = CALC_BAUD(baudrate);
+	*pReg->pBAUD = UART_CALC_BAUD(baudrate);
 }
 
 int UART_readchar(void const *pInst)

src/libsys/uart.h

@@ -16,6 +16,9 @@
 #ifndef UART_H
 #define UART_H
 
+#define UART_CALC_BAUD(b) \
+	(((10*CPU_FREQ_HZ)/((16*b) + 5))/10 - 1)
+
 typedef struct _suart_if_t
 {
 	volatile uint32_t *pCTRL;