PERFORCE change 106480 for review

[Warner Losh]

http://perforce.freebsd.org/chv.cgi?CH=106480

Change 106480 by imp at imp_lighthouse on 2006/09/22 00:19:32

	Break out the board specific stuff from the more generic stuff.
	There's still a lot of assumptions about hardware, but this
	makes it easier to add new boards.

Affected files ...

.. //depot/projects/arm/src/sys/boot/arm/at91/boot2/Makefile#7 edit
.. //depot/projects/arm/src/sys/boot/arm/at91/boot2/boot2.c#23 edit
.. //depot/projects/arm/src/sys/boot/arm/at91/boot2/tsc_board.c#1 add

Differences ...

==== //depot/projects/arm/src/sys/boot/arm/at91/boot2/Makefile#7 (text+ko) ====

@@ -4,7 +4,7 @@
 
 P=boot2
 FILES=${P}
-SRCS=arm_init.S boot2.c ee.c
+SRCS=arm_init.S boot2.c tsc_board.c ee.c
 NO_MAN=
 LDFLAGS=-e 0 -T ${.CURDIR}/../linker.cfg
 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}

==== //depot/projects/arm/src/sys/boot/arm/at91/boot2/boot2.c#23 (text+ko) ====

@@ -141,112 +141,16 @@
     }
 }
 
-#ifdef BOOT_TSC
-#define TSC_FPGA
-#endif
-
-#ifdef TSC_FPGA
-#include "at91rm9200.h"
-#include "spi_flash.h"
-#include "fpga.h"
-
-#define FPGA_OFFSET  (15 * FLASH_PAGE_SIZE)
-#define FPGA_LEN     (212608)
-
-char buffer[FPGA_LEN];
-
-const struct fpga main_fpga = 
-{
-    AT91C_BASE_PIOB, AT91C_PIO_PB0,
-    AT91C_BASE_PIOC, AT91C_PIO_PC11,
-    AT91C_BASE_PIOB, AT91C_PIO_PB2,
-    AT91C_BASE_PIOC, AT91C_PIO_PC12
-};
-
-void
-fpga_load(void)
-{
-	int len, off, i, offset;
-	char *addr = buffer;
-
-	len = FPGA_LEN;
-	offset = FPGA_OFFSET;
-	for (i = 0; i < len; i+= FLASH_PAGE_SIZE) {
-		off = i + offset;
-		SPI_ReadFlash(off, addr + i, FLASH_PAGE_SIZE);
-	}
-	fpga_init(&main_fpga);
-	fpga_clear(&main_fpga);
-	fpga_write_bytes(&main_fpga, addr, len);
-	fpga_done(&main_fpga);
-}
-#endif
-
-#ifdef BOOT_TSC
-static void
-MacFromEE()
-{	
-	uint32_t sig;
-#if 0
-	uint8_t euid64[8] = { 0x00, 0x30, 0x96, 0x20,
-			      0x00, 0x00, 0x00, 0x05 };
-#endif
+// Each board has to provide one of these.
+void board_init(void);
 
-#if 0
-	printf("writing...\n");
-	sig = 0xaa55aa55;
-	EEWrite(0, (uint8_t *)&sig, sizeof(sig));
-	EEWrite(48, euid64, sizeof(euid64));
-#endif
-	sig = 0;
-	EERead(0, (uint8_t *)&sig, sizeof(sig));
-	if (sig != 0xaa55aa55)
-		return;
-	EERead(48, mac, 3);
-	EERead(48+5, mac+3, 3);
-	printf("MAC %x:%x:%x:%x:%x:%x\n", mac[0],
-	  mac[1], mac[2], mac[3], mac[4], mac[5]);
-}
-#endif
-
-#define XMODEM_DL
-#ifdef XMODEM_DL
-#define FLASH_OFFSET (0 * FLASH_PAGE_SIZE)
-#define FPGA_OFFSET  (15 * FLASH_PAGE_SIZE)
-#define FPGA_LEN     (212608)
-#define KERNEL_OFFSET (220 * FLASH_PAGE_SIZE)
-#define KERNEL_LEN (6 * 1024 * FLASH_PAGE_SIZE)
-
-static void
-UpdateFlash(int offset)
-{
-	char *addr = (char *)0x20000000 + (1 << 20); /* Load to base + 1MB */
-	int len, i, off;
-
-	while ((len = xmodem_rx(addr)) == -1)
-		continue;
-	printf("\nDownloaded %u bytes.\n", len);
-	for (i = 0; i < len; i+= FLASH_PAGE_SIZE) {
-		off = i + offset;
-		SPI_WriteFlash(off, addr + i, FLASH_PAGE_SIZE);
-	}
-}
-#endif
-
 int
 main(void)
 {
     int autoboot, c = 0;
     ino_t ino;
 
-#ifdef TSC_FPGA
-    SPI_InitFlash();
-    fpga_load();
-#endif
-#ifdef BOOT_TSC
-    EEInit();
-    MacFromEE();
-#endif
+    board_init();
     EMAC_Init();
     sdcard_init();
     EMAC_SetMACAddress(mac);
@@ -282,7 +186,7 @@
 	    xputchar('\a');
 #ifdef XMODEM_DL
 	else if (*cmd == '*')
-		UpdateFlash(FLASH_OFFSET);
+		Update();
 	else if (*cmd == '#')
 		reset();
 #endif