Improve SDRAM setup for TRAB board

is set

CHANGELOG

@@ -2,6 +2,19 @@
 Changes for U-Boot 1.0.0:
 ======================================================================
 
+* Improve SDRAM setup for TRAB board
+
+* Suppress all output with splashscreen configured only if "splashimage"
+  is set
+
+* Fix problems with I2C support for mpc5200
+
+* Adapt TRAB configuration and auto_update to new memory layout
+
+* Add configuration for wtk board
+
+* Add support for the Sharp LQ065T9DR51U LCD display
+
 * Patch by Rune Torgersen, 17 Sep 2003:
   - Fixes for MPC8266 default config
   - Allow eth_loopback_test() on 8260 to use a subset of the FCC's
@@ -85,6 +98,14 @@ Changes for U-Boot 1.0.0:
 Changes for U-Boot 0.4.8:
 ======================================================================
 
+<<<<<<< CHANGELOG
+<<<<<<< CHANGELOG
+<<<<<<< CHANGELOG
+* Add I2C and RTC support for RMU board
+
+=======
+=======
+=======
 * Patches by Denis Peter, 9 Sep 2003:
   add FAT support for IDE, SCSI and USB
 
@@ -117,6 +138,7 @@ Changes for U-Boot 0.4.8:
 
 * Avoid flicker on TRAB's VFD
 
+>>>>>>> 1.130
 * Add support for SK98xx driver
 
 * Add PCI support for SL8245 board
@@ -162,6 +184,7 @@ Changes for U-Boot 0.4.7:
 * Add GCC library to examples/Makefile so GCC utility functions will
   be resolved, too
 
+>>>>>>> 1.118
 * Add I2C and RTC support for RMU board using software I2C driver
   (because of better response to iprobe command); fix problem with
   "reset" command
@@ -170,6 +193,7 @@ Changes for U-Boot 0.4.7:
   Added CONFIG_BOOTP_DNS2 and CONFIG_BOOTP_SEND_HOSTNAME to
   CONFIG_BOOTP_MAKS (see README).
 
+>>>>>>> 1.112
 * Fix ICU862 environment problem
 
 * Fix RAM size detection for RMU board

Makefile

@@ -470,6 +470,11 @@ v37_config:	unconfig
 	@echo "#define CONFIG_SHARP_LQ084V1DG21" >>include/config.h
 	@./mkconfig $(@:_config=) ppc mpc8xx v37
 
+wtk_config:	unconfig
+	@echo "#define CONFIG_LCD" >include/config.h
+	@echo "#define CONFIG_SHARP_LQ065T9DR51U" >>include/config.h
+	@./mkconfig -a TQM823L ppc mpc8xx tqm8xx
+
 #########################################################################
 ## PPC4xx Systems
 #########################################################################

board/trab/auto_update.c

@@ -105,14 +105,14 @@ struct flash_layout
 #define AU_FL_APP_ND		0x005BFFFF
 #define AU_FL_DISK_ST		0x005C0000
 #define AU_FL_DISK_ND		0x00FFFFFF
-#else						/*  8 MB Flash, 16 MB RAM */
+#else						/*  8 MB Flash, 32 MB RAM */
 #define AU_FL_FIRMWARE_ST	0x00000000
-#define AU_FL_FIRMWARE_ND	0x0003FFFF
-#define AU_FL_KERNEL_ST		0x00040000
-#define AU_FL_KERNEL_ND		0x0011FFFF
-#define AU_FL_APP_ST		0x00120000
-#define AU_FL_APP_ND		0x003FFFFF
-#define AU_FL_DISK_ST		0x00400000
+#define AU_FL_FIRMWARE_ND	0x0005FFFF
+#define AU_FL_KERNEL_ST		0x00060000
+#define AU_FL_KERNEL_ND		0x0013FFFF
+#define AU_FL_APP_ST		0x00140000
+#define AU_FL_APP_ND		0x0067FFFF
+#define AU_FL_DISK_ST		0x00680000
 #define AU_FL_DISK_ND		0x007DFFFF
 #define AU_FL_VFD_ST		0x007E0000
 #define AU_FL_VFD_ND		0x007FFFFF
@@ -186,8 +186,8 @@ struct flash_layout aufl_layout[AU_MAXFILES - 3] = { \
 #define LOAD_ADDR ((unsigned char *)0x0C100100)
 /* where to build strings in memory - 256 bytes should be enough */
 #define STRING_ADDR ((char *)0x0C100000)
-/* the disk is the largest image */
-#define MAX_LOADSZ ausize[IDX_DISK]
+/* the app is the largest image */
+#define MAX_LOADSZ ausize[IDX_APP]
 
 /* externals */
 extern int fat_register_device(block_dev_desc_t *, int);
@@ -222,7 +222,7 @@ au_check_valid(int idx, long nbytes)
 #endif
 	if (ntohl(hdr->ih_magic) != IH_MAGIC ||
 	    hdr->ih_arch != IH_CPU_ARM ||
-	    nbytes < ntohl(hdr->ih_size))
+	    nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
 	{
 		printf ("Image %s bad MAGIC or ARCH or SIZE\n", aufile[idx]);
 		return -1;
@@ -485,41 +485,45 @@ do_auto_update(void)
 	 * now check whether start and end are defined using environment
 	 * variables.
 	 */
-	start = end = 0;
+	start = -1;
+	end = 0;
 	env = getenv("firmware_st");
 	if (env != NULL)
 		start = simple_strtoul(env, NULL, 16);
 	env = getenv("firmware_nd");
 	if (env != NULL)
 		end = simple_strtoul(env, NULL, 16);
-	if (start && end && end > start)
+	if (start >= 0 && end && end > start)
 		ausize[IDX_FIRMWARE] = (end + 1) - start;
-	start = end = 0;
+	start = -1;
+	end = 0;
 	env = getenv("kernel_st");
 	if (env != NULL)
 		start = simple_strtoul(env, NULL, 16);
 	env = getenv("kernel_nd");
 	if (env != NULL)
 		end = simple_strtoul(env, NULL, 16);
-	if (start && end && end > start)
+	if (start >= 0 && end && end > start)
 		ausize[IDX_KERNEL] = (end + 1) - start;
-	start = end = 0;
+	start = -1;
+	end = 0;
 	env = getenv("app_st");
 	if (env != NULL)
 		start = simple_strtoul(env, NULL, 16);
 	env = getenv("app_nd");
 	if (env != NULL)
 		end = simple_strtoul(env, NULL, 16);
-	if (start && end && end > start)
+	if (start >= 0 && end && end > start)
 		ausize[IDX_APP] = (end + 1) - start;
-	start = end = 0;
+	start = -1;
+	end = 0;
 	env = getenv("disk_st");
 	if (env != NULL)
 		start = simple_strtoul(env, NULL, 16);
 	env = getenv("disk_nd");
 	if (env != NULL)
 		end = simple_strtoul(env, NULL, 16);
-	if (start && end && end > start)
+	if (start >= 0 && end && end > start)
 		ausize[IDX_DISK] = (end + 1) - start;
 	/* make sure that we see CTRL-C and save the old state */
 	old_ctrlc = disable_ctrlc(0);
@@ -585,6 +589,9 @@ do_auto_update(void)
 		 */
 		if (got_ctrlc == 0)
 			au_update_eeprom(i);
+		else
+			/* enable the power switch */
+			*CPLD_VFD_BK &= ~POWER_OFF;
 	}
 	usb_stop();
 	/* restore the old state */

board/trab/memsetup.S

@@ -104,12 +104,12 @@
 #ifndef CONFIG_RAM_16MB		/* 32 MB RAM */
 /* Bank6 */
 #define	B6_MT	0x3	/* SDRAM */
-#define	B6_Trcd	0x1	/* 3clk */
+#define	B6_Trcd	0x0	/* 2clk */
 #define	B6_SCAN	0x1	/* 9 bit */
 
 /* Bank7 */
 #define	B7_MT	0x3	/* SDRAM */
-#define	B7_Trcd	0x1	/* 3clk */
+#define	B7_Trcd	0x0	/* 2clk */
 #define	B7_SCAN	0x1	/* 9 bit */
 #else	/* CONFIG_RAM_16MB	=  16 MB RAM */
 /* Bank6 */
@@ -178,5 +178,5 @@ SMRDATA:
 #else	/* CONFIG_RAM_16MB	=  16 MB RAM */
 	.word	0x17	/* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 16M/16M */
 #endif	/* CONFIG_RAM_16MB */
-	.word	0x30	/* MRSR6, CL=3clk */
-	.word	0x30	/* MRSR7 */
+	.word	0x20	/* MRSR6, CL=2clk */
+	.word	0x20	/* MRSR7 */

common/console.c

@@ -488,8 +488,10 @@ int console_init_r (void)
 	int i, items = ListNumItems (devlist);
 
 #ifdef CONFIG_SPLASH_SCREEN
-	/* suppress all output if splash screen is enabled */
-	outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
+	/* suppress all output if splash screen is enabled and we have
+           a bmp to display                                            */
+	if (getenv("splashimage") != NULL)
+		outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
 #endif
 
 	/* Scan devices looking for input and output devices */

cpu/arm920t/usb_ohci.c

@@ -51,8 +51,6 @@
 #define	OHCI_CONTROL_INIT \
 	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
 
-#define OHCI_UNLINK_TIMEOUT	(CFG_HZ / 10)
-
 #define readl(a) (*((vu_long *)(a)))
 #define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
 
@@ -85,6 +83,10 @@ struct ohci_hcca *phcca;
 struct ohci_device ohci_dev;
 /* urb_priv */
 urb_priv_t urb_priv;
+/* RHSC flag */
+int got_rhsc;
+/* device which was disconnected */
+struct usb_device *devgone;
 
 /*-------------------------------------------------------------------------*/
 
@@ -952,8 +954,29 @@ static unsigned char root_hub_str_index1[] =
 
 /* request to virtual root hub */
 
-static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len, struct devrequest *cmd)
+int rh_check_port_status(ohci_t *controller)
+{
+	__u32 temp, ndp, i;
+	int res;
+
+	res = -1;
+	temp = roothub_a (controller);
+	ndp = (temp & RH_A_NDP);
+	for (i = 0; i < ndp; i++) {
+		temp = roothub_portstatus (controller, i);
+		/* check for a device disconnect */
+		if (((temp & (RH_PS_PESC | RH_PS_CSC)) ==
+			(RH_PS_PESC | RH_PS_CSC)) &&
+			((temp & RH_PS_CCS) == 0)) {
+			res = i;
+			break;
+		}
+	}
+	return res;
+}
+
+static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
+		void *buffer, int transfer_len, struct devrequest *cmd)
 {
 	void * data = buffer;
 	int leni = transfer_len;
@@ -1178,6 +1201,12 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 	int maxsize = usb_maxpacket(dev, pipe);
 	int timeout;
 
+	/* device pulled? Shortcut the action. */
+	if (devgone == dev) {
+		dev->status = USB_ST_CRC_ERR;
+		return 0;
+	}
+
 #ifdef DEBUG
 	urb_priv.actual_length = 0;
 	pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe));
@@ -1210,7 +1239,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 		/* check whether the controller is done */
 		stat = hc_interrupt();
 		if (stat < 0) {
-			stat = 1;
+			stat = USB_ST_CRC_ERR;
 			break;
 		}
 		if (stat >= 0 && stat != 0xff) {
@@ -1220,11 +1249,33 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 		if (--timeout) {
 			wait_ms(1);
 		} else {
-			err("CTL:TIMEOUT");
-			stat = 1;
+			err("CTL:TIMEOUT ");
+			stat = USB_ST_CRC_ERR;
 			break;
 		}
 	}
+	/* we got an Root Hub Status Change interrupt */
+	if (got_rhsc) {
+#ifdef DEBUG
+		ohci_dump_roothub (&gohci, 1);
+#endif
+		got_rhsc = 0;
+		/* abuse timeout */
+		timeout = rh_check_port_status(&gohci);
+		if (timeout >= 0) {
+#if 0 /* this does nothing useful, but leave it here in case that changes */
+			/* the called routine adds 1 to the passed value */
+			usb_hub_port_connect_change(gohci.rh.dev, timeout - 1);
+#endif
+			/*
+			 * XXX
+			 * This is potentially dangerous because it assumes
+			 * that only one device is ever plugged in!
+			 */
+			devgone = dev;
+		}
+	}
+
 	dev->status = stat;
   	dev->act_len = transfer_len;
 
@@ -1264,10 +1315,12 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 			pipe);
 		return -1;
 	}
-	if (((pipe >> 8) & 0x7f) == gohci.rh.devnum)
+	if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) {
+		gohci.rh.dev = dev;
 		/* root hub - redirect */
 		return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len,
 			setup);
+	}
 
 	return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0);
 }
@@ -1356,9 +1409,17 @@ static int hc_start (ohci_t * ohci)
 	ohci->disabled = 0;
  	writel (ohci->hc_control, &ohci->regs->control);
 
-	/* Choose the interrupts we care about now, others later on demand */
-	mask = OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO;
+	/* disable all interrupts */
+	mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD |
+			OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC |
+			OHCI_INTR_OC | OHCI_INTR_MIE);
+	writel (mask, &ohci->regs->intrdisable);
+	/* clear all interrupts */
+	mask &= ~OHCI_INTR_MIE;
 	writel (mask, &ohci->regs->intrstatus);
+	/* Choose the interrupts we care about now  - but w/o MIE */
+	mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO;
+	writel (mask, &ohci->regs->intrenable);
 
 #ifdef	OHCI_USE_NPS
 	/* required for AMD-756 and some Mac platforms */
@@ -1397,6 +1458,10 @@ hc_interrupt (void)
 
 	/* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */
 
+	if (ints & OHCI_INTR_RHSC) {
+		got_rhsc = 1;
+	}
+
 	if (ints & OHCI_INTR_UE) {
 		ohci->disabled++;
 		err ("OHCI Unrecoverable Error, controller usb-%s disabled",

cpu/mpc5xxx/fec.c

@@ -424,7 +424,9 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
 #endif
 			} while (!(phyStatus & 0x0004));	/* !link up */
 
+#if (DEBUG & 0x2)
 			printf ("done.\n");
+#endif
 		} else {	/* MII100 */
 			/*
 			 * Set the auto-negotiation advertisement register bits

cpu/mpc5xxx/i2c.c

@@ -28,15 +28,22 @@
 #include <mpc5xxx.h>
 #include <i2c.h>
 
-#ifdef CFG_I2C_MODULE
+#if (CFG_I2C_MODULE == 2)
 #define I2C_BASE	MPC5XXX_I2C2
-#else
+#elif (CFG_I2C_MODULE == 1)
 #define I2C_BASE	MPC5XXX_I2C1
+#else
+#error CFG_I2C_MODULE is not properly configured
 #endif
 
 #define I2C_TIMEOUT	100
 #define I2C_RETRIES	3
 
+struct mpc5xxx_i2c_tap {
+	int scl2tap;
+	int tap2tap;
+};
+
 static int  mpc_reg_in    (volatile u32 *reg);
 static void mpc_reg_out   (volatile u32 *reg, int val, int mask);
 static int  wait_for_bb   (void);
@@ -44,6 +51,7 @@ static int  wait_for_pin  (int *status);
 static int  do_address    (uchar chip, char rdwr_flag);
 static int  send_bytes    (uchar chip, char *buf, int len);
 static int  receive_bytes (uchar chip, char *buf, int len);
+static int  mpc_get_fdr   (int);
 
 static int mpc_reg_in(volatile u32 *reg)
 {
@@ -207,7 +215,7 @@ void i2c_init(int speed, int saddr)
 
 	/* Set clock
 	 */
-	mpc_reg_out(&regs->mfdr, speed, 0);
+	mpc_reg_out(&regs->mfdr, mpc_get_fdr(speed), 0);
 
 	/* Enable module
 	 */
@@ -217,6 +225,50 @@ void i2c_init(int speed, int saddr)
 	return;
 }
 
+static int mpc_get_fdr(int speed)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	static int fdr = -1;
+	static int best_speed = 0;
+
+	if (fdr == -1) {
+		ulong ipb, scl;
+		ulong bestmatch = 0xffffffffUL;
+		int best_i = 0, best_j = 0, i, j;
+		int SCL_Tap[] = { 9, 10, 12, 15, 5, 6, 7, 8};
+		struct mpc5xxx_i2c_tap scltap[] = {
+			{4, 1},
+			{4, 2},
+			{6, 4},
+			{6, 8},
+			{14, 16},
+			{30, 32},
+			{62, 64},
+			{126, 128}
+		};
+
+		ipb = gd->ipb_clk;
+		for (i = 7; i >= 0; i--) {
+			for (j = 7; j >= 0; j--) {
+				scl = 2 * (scltap[j].scl2tap + 
+					(SCL_Tap[i] - 1) * scltap[j].tap2tap + 2);
+				if (ipb <= speed*scl) {
+					if ((speed*scl - ipb) < bestmatch) {
+						bestmatch = speed*scl - ipb;
+						best_i = i;
+						best_j = j;
+						best_speed = ipb/scl;
+					}
+				}
+			}
+		}
+		fdr = (best_i & 3) | ((best_i & 4) << 3) | (best_j << 2);
+		printf("%d kHz, ", best_speed / 1000);
+	}
+
+	return fdr;
+}
+
 int i2c_probe(uchar chip)
 {
 	struct mpc5xxx_i2c *regs = (struct mpc5xxx_i2c *)I2C_BASE;

cpu/mpc8xx/lcd.c

@@ -224,6 +224,18 @@ static vidinfo_t panel_info = {
 };
 #endif /* CONFIG_SHARP_LQ64D341 */
 
+#ifdef CONFIG_SHARP_LQ065T9DR51U
+/*
+ * Sharp LQ065T9DR51U display, 400x240. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    400, 240, 143, 79, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
+    3, 0, 0, 1, 1, 248, 4, 0, 35
+		/* wbl, vpw, lcdac, wbf */
+};
+#define LCD_INFO_BELOW_LOGO
+#endif /* CONFIG_SHARP_LQ065T9DR51U */
+
 #ifdef CONFIG_SHARP_LQ084V1DG21
 /*
  * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.

include/configs/IceCube.h

@@ -107,13 +107,9 @@
  * I2C configuration
  */
 #define CONFIG_HARD_I2C		1	/* I2C with hardware support */
-#define CFG_I2C_MODULE		1	/* If defined then I2C module #2 is used
-					 * otherwise I2C module #1 is used */
-#ifdef CONFIG_MPC5200
-#define CFG_I2C_SPEED		0x3D	/* 86KHz given 133MHz IPBI */
-#else
-#define CFG_I2C_SPEED		0x35	/* 86KHz given 33MHz IPBI */
-#endif
+#define CFG_I2C_MODULE		2	/* Select I2C module #1 or #2 */
+
+#define CFG_I2C_SPEED		100000 /* 100 kHz */
 #define CFG_I2C_SLAVE		0x7F
 
 /*
@@ -122,7 +118,7 @@
 #define CFG_I2C_EEPROM_ADDR		0x50	/* 1010000x */
 #define CFG_I2C_EEPROM_ADDR_LEN		1
 #define CFG_EEPROM_PAGE_WRITE_BITS	3
-#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	35
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	70
 
 /*
  * Flash configuration
@@ -191,7 +187,7 @@
 /*
  * GPIO configuration
  */
-#define CFG_GPS_PORT_CONFIG	0x00000004
+#define CFG_GPS_PORT_CONFIG	0x10000004
 
 /*
  * Miscellaneous configurable options

include/configs/trab.h

@@ -28,8 +28,8 @@
 
 #ifdef CONFIG_OLD_VERSION		/* Old configuration:		*/
 #define	CONFIG_RAM_16MB			/*	16 MB SDRAM		*/
-#define CONFIG_FLASH_8MB		/*	 8 MB Flash		*/
 #endif
+#define CONFIG_FLASH_8MB		/*	 8 MB Flash		*/
 
 /*
  * If we are developing, we might want to start armboot from ram