ppc4xx: Update APC405 board support

- enable esd's auto_update mechanism
- fix LCD support on latest hardware revision (uses other LCD controller)
- support alternative flash layout on rev. 1.8 boards
- coding style cleanup

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>

2 files changed, 241 insertions, 123 deletions

diff --git a/board/esd/apc405/Makefile b/board/esd/apc405/Makefile
index 024997e..c57cd6b 100644
--- a/board/esd/apc405/Makefile
+++ b/board/esd/apc405/Makefile
@@ -28,7 +28,9 @@ endif
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o strataflash.o ../common/misc.o
+COBJS	= $(BOARD).o \
+	../common/misc.o \
+	../common/auto_update.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/esd/apc405/apc405.c b/board/esd/apc405/apc405.c
index 078df00..b663184 100644
--- a/board/esd/apc405/apc405.c
+++ b/board/esd/apc405/apc405.c
@@ -1,4 +1,7 @@
 /*
+ * (C) Copyright 2005-2008
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ *
  * (C) Copyright 2001-2003
  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
  *
@@ -23,17 +26,22 @@
 
 #include <common.h>
 #include <asm/processor.h>
+#include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
+#include <flash.h>
+#include <asm/4xx_pci.h>
+#include <pci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if 0
-#define FPGA_DEBUG
-#endif
+#undef FPGA_DEBUG
 
 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 extern void lxt971_no_sleep(void);
+extern ulong flash_get_size (ulong base, int banknum);
+
+int flash_banks = CFG_MAX_FLASH_BANKS_DETECT;
 
 /* fpga configuration data - gzip compressed and generated by bin2c */
 const unsigned char fpgadata[] =
@@ -46,82 +54,94 @@ const unsigned char fpgadata[] =
  */
 #include "../common/fpga.c"
 
-
 /* Prototypes */
 int gunzip(void *, int, unsigned char *, unsigned long *);
 
-
 #ifdef CONFIG_LCD_USED
 /* logo bitmap data - gzip compressed and generated by bin2c */
 unsigned char logo_bmp[] =
 {
-#include CFG_LCD_LOGO_NAME
+#include "logo_640_480_24bpp.c"
 };
 
 /*
  * include common lcd code (for esd boards)
  */
 #include "../common/lcd.c"
-
-#include CFG_LCD_HEADER_NAME
+#include "../common/s1d13505_640_480_16bpp.h"
+#include "../common/s1d13806_640_480_16bpp.h"
 #endif /* CONFIG_LCD_USED */
 
+/*
+ * include common auto-update code (for esd boards)
+ */
+#include "../common/auto_update.h"
+
+au_image_t au_image[] = {
+	{"preinst.img", 0, -1, AU_SCRIPT},
+	{"u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE | AU_PROTECT},
+	{"pImage", 0xfe000000, 0x00100000, AU_NOR | AU_PROTECT},
+	{"pImage.initrd", 0xfe100000, 0x00400000, AU_NOR | AU_PROTECT},
+	{"work.img", 0xfe500000, 0x01400000, AU_NOR},
+	{"data.img", 0xff900000, 0x00580000, AU_NOR},
+	{"logo.img", 0xffe80000, 0x00100000, AU_NOR | AU_PROTECT},
+	{"postinst.img", 0, 0, AU_SCRIPT},
+};
+
+int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
 
 int board_revision(void)
 {
 	unsigned long cntrl0Reg;
-	unsigned long value;
+	volatile unsigned long value;
 
 	/*
 	 * Get version of APC405 board from GPIO's
 	 */
 
-	/*
-	 * Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO)
-	 */
+	/* Setup GPIO pins (CS2/GPIO11, CS3/GPIO12 and CS4/GPIO13 as GPIO) */
 	cntrl0Reg = mfdcr(cntrl0);
-	mtdcr(cntrl0, cntrl0Reg | 0x03000000);
-	out32(GPIO0_ODR, in32(GPIO0_ODR) & ~0x00180000);
-	out32(GPIO0_TCR, in32(GPIO0_TCR) & ~0x00180000);
-	udelay(1000);                   /* wait some time before reading input */
-	value = in32(GPIO0_IR) & 0x00180000;       /* get config bits */
+	mtdcr(cntrl0, cntrl0Reg | 0x03800000);
+	out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x001c0000);
+	out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x001c0000);
+
+	/* wait some time before reading input */
+	udelay(1000);
 
+	/* get config bits */
+	value = in_be32((void*)GPIO0_IR) & 0x001c0000;
 	/*
 	 * Restore GPIO settings
 	 */
 	mtdcr(cntrl0, cntrl0Reg);
 
 	switch (value) {
-	case 0x00180000:
-		/* CS2==1 && CS3==1 -> version <= 1.2 */
+	case 0x001c0000:
+		/* CS2==1 && CS3==1 && CS4==1 -> version <= 1.2 */
 		return 2;
-	case 0x00080000:
-		/* CS2==0 && CS3==1 -> version 1.3 */
+	case 0x000c0000:
+		/* CS2==0 && CS3==1 && CS4==1 -> version 1.3 */
 		return 3;
-#if 0 /* not yet manufactured ! */
-	case 0x00100000:
-		/* CS2==1 && CS3==0 -> version 1.4 */
-		return 4;
-	case 0x00000000:
-		/* CS2==0 && CS3==0 -> version 1.5 */
-		return 5;
-#endif
+	case 0x00180000:
+		/* CS2==1 && CS3==1 && CS4==0 -> version 1.6 */
+		return 6;
+	case 0x00140000:
+		/* CS2==1 && CS3==0 && CS4==1 -> version 1.8 */
+		return 8;
 	default:
 		/* should not be reached! */
 		return 0;
 	}
 }
 
-
 int board_early_init_f (void)
 {
 	/*
-	 * First pull fpga-prg pin low, to disable fpga logic (on version 2 board)
+	 * First pull fpga-prg pin low, to disable fpga logic
 	 */
-	out32(GPIO0_ODR, 0x00000000);        /* no open drain pins      */
-	out32(GPIO0_TCR, CFG_FPGA_PRG);      /* setup for output        */
-	out32(GPIO0_OR,  CFG_FPGA_PRG);      /* set output pins to high */
-	out32(GPIO0_OR, 0);                  /* pull prg low            */
+	out_be32((void*)GPIO0_ODR, 0x00000000);        /* no open drain pins */
+	out_be32((void*)GPIO0_TCR, CFG_FPGA_PRG);      /* setup for output   */
+	out_be32((void*)GPIO0_OR, 0);                  /* pull prg low       */
 
 	/*
 	 * IRQ 0-15  405GP internally generated; active high; level sensitive
@@ -140,48 +160,61 @@ int board_early_init_f (void)
 	mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
 	mtdcr(uicpr, 0xFFFFFF81);       /* set int polarities */
 	mtdcr(uictr, 0x10000000);       /* set int trigger levels */
-	mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
+	mtdcr(uicvcr, 0x00000001);      /* set vect base=0 */
 	mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
 
 	/*
-	 * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
+	 * EBC Configuration Register: set ready timeout to 512 ebc-clks
+	 */
+	mtebc(epcr, 0xa8400000); /* ebc always driven */
+
+	/*
+	 * New boards have a single 32MB flash connected to CS0
+	 * instead of two 16MB flashes on CS0+1.
 	 */
-#if 1 /* test-only */
-	mtebc (epcr, 0xa8400000); /* ebc always driven */
-#else
-	mtebc (epcr, 0x28400000); /* ebc in high-z */
-#endif
+	if (board_revision() >= 8) {
+		/* disable CS1 */
+		mtebc(pb1ap, 0);
+		mtebc(pb1cr, 0);
+
+		/* resize CS0 to 32MB */
+		mtebc(pb0ap, CFG_EBC_PB0AP_HWREV8);
+		mtebc(pb0cr, CFG_EBC_PB0CR_HWREV8);
+	}
 
 	return 0;
 }
 
-
-/* ------------------------------------------------------------------------- */
-
-int misc_init_f (void)
+int board_early_init_r(void)
 {
-	return 0;  /* dummy implementation */
+	if (gd->board_type >= 8)
+		flash_banks = 1;
+
+	return 0;
 }
 
+#define FUJI_BASE    0xf0100200
+#define LCDBL_PWM    0xa0
+#define LCDBL_PWMMIN 0xa4
+#define LCDBL_PWMMAX 0xa8
 
-int misc_init_r (void)
+int misc_init_r(void)
 {
-	volatile unsigned short *fpga_mode =
-		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
-	volatile unsigned short *fpga_ctrl2 =
-		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL2);
-	volatile unsigned char *duart0_mcr =
-		(unsigned char *)((ulong)DUART0_BA + 4);
-	volatile unsigned char *duart1_mcr =
-		(unsigned char *)((ulong)DUART1_BA + 4);
-	volatile unsigned short *fuji_lcdbl_pwm =
-		(unsigned short *)((ulong)0xf0100200 + 0xa0);
+	u16 *fpga_mode = (u16 *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
+	u16 *fpga_ctrl2 =(u16 *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL2);
+	u8 *duart0_mcr = (u8 *)(DUART0_BA + 4);
+	u8 *duart1_mcr = (u8 *)(DUART1_BA + 4);
 	unsigned char *dst;
 	ulong len = sizeof(fpgadata);
 	int status;
 	int index;
 	int i;
 	unsigned long cntrl0Reg;
+	char *str;
+	uchar *logo_addr;
+	ulong logo_size;
+	ushort minb, maxb;
+	int result;
 
 	/*
 	 * Setup GPIO pins (CS6+CS7 as GPIO)
@@ -190,9 +223,9 @@ int misc_init_r (void)
 	mtdcr(cntrl0, cntrl0Reg | 0x00300000);
 
 	dst = malloc(CFG_FPGA_MAX_SIZE);
-	if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
-		printf ("GUNZIP ERROR - must RESET board to recover\n");
-		do_reset (NULL, 0, 0, NULL);
+	if (gunzip(dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
+		printf("GUNZIP ERROR - must RESET board to recover\n");
+		do_reset(NULL, 0, 0, NULL);
 	}
 
 	status = fpga_boot(dst, len);
@@ -200,31 +233,34 @@ int misc_init_r (void)
 		printf("\nFPGA: Booting failed ");
 		switch (status) {
 		case ERROR_FPGA_PRG_INIT_LOW:
-			printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+			printf("(Timeout: "
+			       "INIT not low after asserting PROGRAM*)\n ");
 			break;
 		case ERROR_FPGA_PRG_INIT_HIGH:
-			printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+			printf("(Timeout: "
+			       "INIT not high after deasserting PROGRAM*)\n ");
 			break;
 		case ERROR_FPGA_PRG_DONE:
-			printf("(Timeout: DONE not high after programming FPGA)\n ");
+			printf("(Timeout: "
+			       "DONE not high after programming FPGA)\n ");
 			break;
 		}
 
 		/* display infos on fpgaimage */
 		index = 15;
-		for (i=0; i<4; i++) {
+		for (i = 0; i < 4; i++) {
 			len = dst[index];
 			printf("FPGA: %s\n", &(dst[index+1]));
-			index += len+3;
+			index += len + 3;
 		}
-		putc ('\n');
+		putc('\n');
 		/* delayed reboot */
-		for (i=20; i>0; i--) {
+		for (i = 20; i > 0; i--) {
 			printf("Rebooting in %2d seconds \r",i);
-			for (index=0;index<1000;index++)
+			for (index = 0; index < 1000; index++)
 				udelay(1000);
 		}
-		putc ('\n');
+		putc('\n');
 		do_reset(NULL, 0, 0, NULL);
 	}
 
@@ -235,12 +271,12 @@ int misc_init_r (void)
 
 	/* display infos on fpgaimage */
 	index = 15;
-	for (i=0; i<4; i++) {
+	for (i = 0; i < 4; i++) {
 		len = dst[index];
-		printf("%s ", &(dst[index+1]));
-		index += len+3;
+		printf("%s ", &(dst[index + 1]));
+		index += len + 3;
 	}
-	putc ('\n');
+	putc('\n');
 
 	free(dst);
 
@@ -255,51 +291,117 @@ int misc_init_r (void)
 	/*
 	 * Write board revision in FPGA
 	 */
-	*fpga_ctrl2 = (*fpga_ctrl2 & 0xfff0) | (gd->board_type & 0x000f);
+	out_be16(fpga_ctrl2,
+		 (in_be16(fpga_ctrl2) & 0xfff0) | (gd->board_type & 0x000f));
 
 	/*
 	 * Enable power on PS/2 interface (with reset)
 	 */
-	*fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;
+	out_be16(fpga_mode, in_be16(fpga_mode) | CFG_FPGA_CTRL_PS2_RESET);
 	for (i=0;i<100;i++)
 		udelay(1000);
 	udelay(1000);
-	*fpga_mode &= ~CFG_FPGA_CTRL_PS2_RESET;
+	out_be16(fpga_mode, in_be16(fpga_mode) & ~CFG_FPGA_CTRL_PS2_RESET);
 
 	/*
 	 * Enable interrupts in exar duart mcr[3]
 	 */
-	*duart0_mcr = 0x08;
-	*duart1_mcr = 0x08;
+	out_8(duart0_mcr, 0x08);
+	out_8(duart1_mcr, 0x08);
 
 	/*
 	 * Init lcd interface and display logo
 	 */
-	lcd_init((uchar *)CFG_LCD_BIG_REG, (uchar *)CFG_LCD_BIG_MEM,
-		 regs_13806_640_480_16bpp,
-		 sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
-		 logo_bmp, sizeof(logo_bmp));
+	str = getenv("splashimage");
+	if (str) {
+		logo_addr = (uchar *)simple_strtoul(str, NULL, 16);
+		logo_size = CFG_VIDEO_LOGO_MAX_SIZE;
+	} else {
+		logo_addr = logo_bmp;
+		logo_size = sizeof(logo_bmp);
+	}
+
+	if (gd->board_type >= 6) {
+		result = lcd_init((uchar *)CFG_LCD_BIG_REG,
+				  (uchar *)CFG_LCD_BIG_MEM,
+				  regs_13505_640_480_16bpp,
+				  sizeof(regs_13505_640_480_16bpp) /
+				  sizeof(regs_13505_640_480_16bpp[0]),
+				  logo_addr, logo_size);
+		if (result && str) {
+			/* retry with internal image */
+			logo_addr = logo_bmp;
+			logo_size = sizeof(logo_bmp);
+			lcd_init((uchar *)CFG_LCD_BIG_REG,
+				 (uchar *)CFG_LCD_BIG_MEM,
+				 regs_13505_640_480_16bpp,
+				 sizeof(regs_13505_640_480_16bpp) /
+				 sizeof(regs_13505_640_480_16bpp[0]),
+				 logo_addr, logo_size);
+		}
+	} else {
+		result = lcd_init((uchar *)CFG_LCD_BIG_REG,
+				  (uchar *)CFG_LCD_BIG_MEM,
+				  regs_13806_640_480_16bpp,
+				  sizeof(regs_13806_640_480_16bpp) /
+				  sizeof(regs_13806_640_480_16bpp[0]),
+				  logo_addr, logo_size);
+		if (result && str) {
+			/* retry with internal image */
+			logo_addr = logo_bmp;
+			logo_size = sizeof(logo_bmp);
+			lcd_init((uchar *)CFG_LCD_BIG_REG,
+				 (uchar *)CFG_LCD_BIG_MEM,
+				 regs_13806_640_480_16bpp,
+				 sizeof(regs_13806_640_480_16bpp) /
+				 sizeof(regs_13806_640_480_16bpp[0]),
+				 logo_addr, logo_size);
+		}
+	}
 
 	/*
 	 * Reset microcontroller and setup backlight PWM controller
 	 */
-	*fpga_mode |= 0x0014;
+	out_be16(fpga_mode, in_be16(fpga_mode) | 0x0014);
 	for (i=0;i<10;i++)
 		udelay(1000);
-	*fpga_mode |= 0x001c;
-	*fuji_lcdbl_pwm = 0x00ff;
+	out_be16(fpga_mode, in_be16(fpga_mode) | 0x001c);
+
+	minb = 0;
+	maxb = 0xff;
+	str = getenv("lcdbl");
+	if (str) {
+		minb = (ushort)simple_strtoul(str, &str, 16) & 0x00ff;
+		if (str && (*str=',')) {
+			str++;
+			maxb = (ushort)simple_strtoul(str, NULL, 16) & 0x00ff;
+		} else
+			minb = 0;
+
+		out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMIN), minb);
+		out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMAX), maxb);
+
+		printf("LCDBL: min=0x%02x, max=0x%02x\n", minb, maxb);
+	}
+	out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff);
+
+	if (getenv("usb_self") == NULL) {
+		setenv("usb_load", CFG_USB_LOAD_COMMAND);
+		setenv("usbargs", CFG_USB_ARGS);
+		setenv("bootcmd", CONFIG_BOOTCOMMAND);
+		setenv("usb_self", CFG_USB_SELF_COMMAND);
+		saveenv();
+	}
 
 	return (0);
 }
 
-
 /*
  * Check Board Identity:
  */
-
 int checkboard (void)
 {
-	unsigned char str[64];
+	char str[64];
 	int i = getenv_r ("serial#", str, sizeof(str));
 
 	puts ("Board: ");
@@ -311,18 +413,11 @@ int checkboard (void)
 	}
 
 	gd->board_type = board_revision();
-	printf(", Rev 1.%ld\n", gd->board_type);
-
-	/*
-	 * Disable sleep mode in LXT971
-	 */
-	lxt971_no_sleep();
+	printf(", Rev. 1.%ld\n", gd->board_type);
 
 	return 0;
 }
 
-/* ------------------------------------------------------------------------- */
-
 long int initdram (int board_type)
 {
 	unsigned long val;
@@ -330,43 +425,64 @@ long int initdram (int board_type)
 	mtdcr(memcfga, mem_mb0cf);
 	val = mfdcr(memcfgd);
 
-#if 0
-	printf("\nmb0cf=%x\n", val); /* test-only */
-	printf("strap=%x\n", mfdcr(strap)); /* test-only */
-#endif
-
 	return (4*1024*1024 << ((val & 0x000e0000) >> 17));
 }
 
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
+#ifdef CONFIG_IDE_RESET
+void ide_set_reset(int on)
 {
-	/* TODO: XXX XXX XXX */
-	printf ("test: 16 MB - ok\n");
+	u16 *fpga_mode = (u16 *)(CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
 
-	return (0);
+	/*
+	 * Assert or deassert CompactFlash Reset Pin
+	 */
+	if (on) {
+		out_be16(fpga_mode,
+			 in_be16(fpga_mode) & ~CFG_FPGA_CTRL_CF_RESET);
+	} else {
+		out_be16(fpga_mode,
+			 in_be16(fpga_mode) | CFG_FPGA_CTRL_CF_RESET);
+	}
 }
+#endif /* CONFIG_IDE_RESET */
 
-/* ------------------------------------------------------------------------- */
+void reset_phy(void)
+{
+	/*
+	 * Disable sleep mode in LXT971
+	 */
+	lxt971_no_sleep();
+}
 
-#ifdef CONFIG_IDE_RESET
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_BOARD_INIT)
+int usb_board_init(void)
+{
+	return 0;
+}
 
-void ide_set_reset(int on)
+int usb_board_stop(void)
 {
-	volatile unsigned short *fpga_mode =
-		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);
+	unsigned short tmp;
+	int i;
 
 	/*
-	 * Assert or deassert CompactFlash Reset Pin
+	 * reset PCI bus
+	 * This is required to make some very old Linux OHCI driver
+	 * work after U-Boot has used the OHCI controller.
 	 */
-	if (on) {		/* assert RESET */
-		*fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);
-	} else {		/* release RESET */
-		*fpga_mode |= CFG_FPGA_CTRL_CF_RESET;
-	}
-}
+	pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &tmp);
+	pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (tmp | 0x1000));
 
-#endif /* CONFIG_IDE_RESET */
+	for (i = 0; i < 100; i++)
+		udelay(1000);
 
-/* ------------------------------------------------------------------------- */
+	pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, tmp);
+	return 0;
+}
+
+int usb_board_init_fail(void)
+{
+	usb_board_stop();
+	return 0;
+}
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_BOARD_INIT) */