* Patch by Pierre Aubert, 26 Feb 2004

  add IDE support for MPC5200

* Patch by Masami Komiya, 26 Feb 2004:
  add autoload via NFS

* Patch by Stephen Williams
  Use of CONFIG_SERIAL_SOFTWARE_FIFO in board.c consistent with uses
  elsewhere in the source.

CHANGELOG

@@ -2,6 +2,16 @@
 Changes for U-Boot 1.0.2:
 ======================================================================
 
+* Patch by Pierre Aubert, 26 Feb 2004
+  add IDE support for MPC5200
+
+* Patch by Masami Komiya, 26 Feb 2004:
+  add autoload via NFS
+
+* Patch by Stephen Williams
+  Use of CONFIG_SERIAL_SOFTWARE_FIFO in board.c consistent with uses
+  elsewhere in the source.
+
 * Patch by Steven Scholz, 25 Feb 2004:
   - Timeouts in FPGA code should be based on CFG_HZ
   - Minor cleanup in code for Altera FPGA ACEX1K
@@ -15,7 +25,7 @@ Changes for U-Boot 1.0.2:
 * Patch by Markus Pietrek, 24 Feb 2004:
   NS9750 DevBoard added
 
-* Patch by Pierre AUBERT, 24 Feb 2004
+* Patch by Pierre Aubert, 24 Feb 2004
   add USB support for MPC5200
 
 * Patch by Steven Scholz, 24 Feb 2004:

board/ns9750dev/led.c

@@ -23,7 +23,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
- *  
+ *
  ***********************************************************************/
 
 #ifdef CONFIG_STATUS_LED

common/cmd_ide.c

@@ -37,6 +37,9 @@
 #ifdef CONFIG_8xx
 # include <mpc8xx.h>
 #endif
+#ifdef CONFIG_MPC5xxx
+#include <mpc5xxx.h>
+#endif
 #include <ide.h>
 #include <ata.h>
 #ifdef CONFIG_STATUS_LED

cpu/mpc5xxx/Makefile

@@ -27,8 +27,8 @@ LIB	= lib$(CPU).a
 
 START	= start.o
 ASOBJS	= io.o firmware_sc_task_bestcomm.impl.o firmware_sc_task.impl.o
-OBJS	= i2c.o traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o \
-	  loadtask.o fec.o pci_mpc5200.o usb_ohci.o
+OBJS	= i2c.o traps.o cpu.o cpu_init.o fec.o ide.o interrupts.o \
+	  loadtask.o pci_mpc5200.o serial.o speed.o usb_ohci.o
 
 all:	.depend $(START) $(ASOBJS) $(LIB)
 

cpu/mpc5xxx/ide.c

@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2004
+ * Pierre AUBERT, Staubli Faverges, <p.aubert@staubli.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * Init is derived from Linux code.
+ */
+#include <common.h>
+
+#ifdef CFG_CMD_IDE
+#include <mpc5xxx.h>
+
+#define CALC_TIMING(t) (t + period - 1) / period
+
+#define GPIO_PSC1_4	0x01000000ul
+
+int ide_preinit (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	long period, t0, t1, t2_8, t2_16, t4, ta;
+	vu_long reg;
+	struct mpc5xxx_sdma *psdma = (struct mpc5xxx_sdma *) MPC5XXX_SDMA;
+
+	reg = *(vu_long *) MPC5XXX_GPS_PORT_CONFIG;
+	reg = (reg & ~0x03000000ul) | 0x01000000ul;
+	*(vu_long *) MPC5XXX_GPS_PORT_CONFIG = reg;
+
+	/* All sample codes do that... */
+	*(vu_long *) MPC5XXX_ATA_SHARE_COUNT = 0;
+
+	/* Configure and reset host */
+	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY |
+		MPC5xxx_ATA_HOSTCONF_SMR | MPC5xxx_ATA_HOSTCONF_FR;
+	udelay (10);
+	*(vu_long *) MPC5XXX_ATA_HOST_CONFIG = MPC5xxx_ATA_HOSTCONF_IORDY;
+
+	/* Disable prefetch on Commbus */
+	psdma->PtdCntrl |= 1;
+
+	/* Init timings : we use PIO mode 0 timings */
+	period = 1000000000 / gd->ipb_clk;	/* period in ns */
+
+	t0 = CALC_TIMING (600);
+	t2_8 = CALC_TIMING (290);
+	t2_16 = CALC_TIMING (165);
+	reg = (t0 << 24) | (t2_8 << 16) | (t2_16 << 8);
+	*(vu_long *) MPC5XXX_ATA_PIO1 = reg;
+
+	t4 = CALC_TIMING (30);
+	t1 = CALC_TIMING (70);
+	ta = CALC_TIMING (35);
+	reg = (t4 << 24) | (t1 << 16) | (ta << 8);
+
+	*(vu_long *) MPC5XXX_ATA_PIO2 = reg;
+
+#if defined (CONFIG_ICECUBE) && defined (CONFIG_IDE_RESET)
+	/* Configure PSC1_4 as GPIO output for ATA reset */
+	*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+	*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
+	*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
+#endif /* defined (CONFIG_ICECUBE) && defined (CONFIG_IDE_RESET) */
+
+	return (0);
+}
+
+#if defined (CONFIG_ICECUBE) && defined (CONFIG_IDE_RESET)
+void ide_set_reset (int idereset)
+{
+	if (idereset) {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
+	} else {
+		*(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+	}
+}
+#endif /* defined (CONFIG_ICECUBE) && defined (CONFIG_IDE_RESET) */
+#endif /* CFG_CMD_IDE */

include/configs/IceCube.h

@@ -81,6 +81,10 @@
 
 #endif
 
+/* Partitions */
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
 /* USB */
 #if 1
 #define CONFIG_USB_OHCI
@@ -94,8 +98,12 @@
 /*
  * Supported commands
  */
-#define CONFIG_COMMANDS		(CONFIG_CMD_DFL | ADD_PCI_CMD | \
-				 CFG_CMD_I2C | CFG_CMD_EEPROM | \
+#define CONFIG_COMMANDS		(CONFIG_CMD_DFL	| \
+				 CFG_CMD_EEPROM	| \
+				 CFG_CMD_FAT	| \
+				 CFG_CMD_I2C	| \
+				 CFG_CMD_IDE	| \
+				 ADD_PCI_CMD	| \
 				 ADD_USB_CMD)
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
@@ -293,4 +301,36 @@
 
 #define CFG_RESET_ADDRESS	0xff000000
 
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff Supports IDE harddisk
+ *-----------------------------------------------------------------------
+ */
+
+#undef  CONFIG_IDE_8xx_PCCARD		/* Use IDE with PC Card	Adapter	*/
+
+#undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
+#undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
+
+#define	CONFIG_IDE_RESET		/* reset for ide supported	*/
+#define CONFIG_IDE_PREINIT
+
+#define CFG_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
+#define CFG_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/
+
+#define CFG_ATA_IDE0_OFFSET	0x0000
+
+#define CFG_ATA_BASE_ADDR	MPC5XXX_ATA
+
+/* Offset for data I/O			*/
+#define CFG_ATA_DATA_OFFSET	(0x0060)
+
+/* Offset for normal register accesses	*/
+#define CFG_ATA_REG_OFFSET	(CFG_ATA_DATA_OFFSET)
+
+/* Offset for alternate registers	*/
+#define CFG_ATA_ALT_OFFSET	(0x005c)
+
+/* Interval between registers                                                */
+#define CFG_ATA_STRIDE          4
+
 #endif /* __CONFIG_H */

include/configs/eXalion.h

@@ -50,13 +50,13 @@
 #error #### Specific type of MPC824x must be defined (i.e. CONFIG_MPC8240)
 #endif
 /* older kernels need clock in MHz newer in Hz */
-					/* #define CONFIG_CLOCKS_IN_MHZ 1 *//* clocks passsed to Linux in MHz	    */
+					/* #define CONFIG_CLOCKS_IN_MHZ 1 */ /* clocks passsed to Linux in MHz	    */
 #undef CONFIG_CLOCKS_IN_MHZ
 
 #define CONFIG_BOOTDELAY	10
 
 
-						    /*#define CONFIG_DRAM_SPEED	      66   *//* MHz			     */
+						    /*#define CONFIG_DRAM_SPEED	      66   */ /* MHz			     */
 
 #define CONFIG_COMMANDS		(   CONFIG_CMD_DFL  | \
 				    CFG_CMD_FLASH   | \
@@ -230,7 +230,7 @@
 #define CONFIG_SYS_CLK_FREQ	33333333	/* external frequency to pll	*/
 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER  2	/* for MPC8240 only		*/
 
-				       /*#define CONFIG_133MHZ_DRAM	 1 *//* For 133 MHZ DRAM only !!!!!!!!!!!    */
+				       /*#define CONFIG_133MHZ_DRAM	 1 */ /* For 133 MHZ DRAM only !!!!!!!!!!!    */
 
 #if defined (CONFIG_MPC8245)
 /* Bit-field values for PMCR2.							*/

include/mpc5xxx.h

@@ -89,6 +89,7 @@
 #define MPC5XXX_ICTL		(CFG_MBAR + 0x0500)
 #define MPC5XXX_GPT		(CFG_MBAR + 0x0600)
 #define MPC5XXX_GPIO		(CFG_MBAR + 0x0b00)
+#define MPC5XXX_WU_GPIO         (CFG_MBAR + 0x0c00)
 #define MPC5XXX_PCI		(CFG_MBAR + 0x0d00)
 #define MPC5XXX_USB		(CFG_MBAR + 0x1000)
 #define MPC5XXX_SDMA		(CFG_MBAR + 0x1200)
@@ -108,6 +109,7 @@
 #endif
 
 #define	MPC5XXX_FEC		(CFG_MBAR + 0x3000)
+#define MPC5XXX_ATA             (CFG_MBAR + 0x3A00)
 
 #define MPC5XXX_I2C1		(CFG_MBAR + 0x3D00)
 #define MPC5XXX_I2C2		(CFG_MBAR + 0x3D40)
@@ -163,6 +165,12 @@
 /* GPIO registers */
 #define MPC5XXX_GPS_PORT_CONFIG	(MPC5XXX_GPIO + 0x0000)
 
+/* WakeUp GPIO registers */
+#define MPC5XXX_WU_GPIO_ENABLE  (MPC5XXX_WU_GPIO + 0x0000)
+#define MPC5XXX_WU_GPIO_ODE     (MPC5XXX_WU_GPIO + 0x0004)
+#define MPC5XXX_WU_GPIO_DIR     (MPC5XXX_WU_GPIO + 0x0008)
+#define MPC5XXX_WU_GPIO_DATA    (MPC5XXX_WU_GPIO + 0x000c)
+
 /* PCI registers */
 #define MPC5XXX_PCI_CMD		(MPC5XXX_PCI + 0x04)
 #define MPC5XXX_PCI_CFG		(MPC5XXX_PCI + 0x0c)
@@ -209,6 +217,12 @@
 #define MPC5XXX_GPT0_ENABLE		(MPC5XXX_GPT + 0x0)
 #define MPC5XXX_GPT0_COUNTER		(MPC5XXX_GPT + 0x4)
 
+/* ATA registers */
+#define MPC5XXX_ATA_HOST_CONFIG         (MPC5XXX_ATA + 0x0000)
+#define MPC5XXX_ATA_PIO1                (MPC5XXX_ATA + 0x0008)
+#define MPC5XXX_ATA_PIO2                (MPC5XXX_ATA + 0x000C)
+#define MPC5XXX_ATA_SHARE_COUNT         (MPC5XXX_ATA + 0x002C)
+
 /* I2Cn control register bits */
 #define I2C_EN		0x80
 #define I2C_IEN		0x40
@@ -287,6 +301,15 @@
 #define PSC_MODE_ONE_STOP		0x07
 #define PSC_MODE_TWO_STOP		0x0f
 
+/* ATA config fields */
+#define MPC5xxx_ATA_HOSTCONF_SMR	0x80000000UL	/* State machine
+							   reset */
+#define MPC5xxx_ATA_HOSTCONF_FR		0x40000000UL	/* FIFO Reset */
+#define MPC5xxx_ATA_HOSTCONF_IE		0x02000000UL	/* Enable interrupt
+							   in PIO */
+#define MPC5xxx_ATA_HOSTCONF_IORDY	0x01000000UL	/* Drive supports
+							   IORDY protocol */
+
 #ifndef __ASSEMBLY__
 struct mpc5xxx_psc {
 	volatile u8	mode;		/* PSC + 0x00 */

lib_i386/board.c

@@ -343,7 +343,7 @@ void start_i386boot (void)
 	/* Must happen after interrupts are initialized since
 	 * an irq handler gets installed
 	 */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+#if CONFIG_SERIAL_SOFTWARE_FIFO
 	serial_buffered_init();
 #endif
 

lib_m68k/board.c

@@ -577,7 +577,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	 */
 	timer_init();
 
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+#if CONFIG_SERIAL_SOFTWARE_FIFO
 	serial_buffered_init();
 #endif
 

lib_ppc/board.c

@@ -874,7 +874,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	/* Must happen after interrupts are initialized since
 	 * an irq handler gets installed
 	 */
-#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
+#if CONFIG_SERIAL_SOFTWARE_FIFO
 	serial_buffered_init();
 #endif
 

net/bootp.c

@@ -331,13 +331,21 @@ BootpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
 
 	debug ("Got good BOOTP\n");
 
-	if (((s = getenv("autoload")) != NULL) && (*s == 'n')) {
-		/*
-		 * Just use BOOTP to configure system;
-		 * Do not use TFTP to load the bootfile.
-		 */
-		NetState = NETLOOP_SUCCESS;
-		return;
+	if ((s = getenv("autoload")) != NULL) {
+		if (*s == 'n') {
+			/*
+			 * Just use BOOTP to configure system;
+			 * Do not use TFTP to load the bootfile.
+			 */
+			NetState = NETLOOP_SUCCESS;
+			return;
+		} else if (strcmp(s, "NFS") == 0) {
+			/*
+			 * Use NFS to load the bootfile.
+			 */
+			NfsStart();
+			return;
+		}
 	}
 
 	TftpStart();
@@ -881,9 +889,21 @@ DhcpHandler(uchar * pkt, unsigned dest, unsigned src, unsigned len)
 			printf("\n");
 
 			/* Obey the 'autoload' setting */
-			if (((s = getenv("autoload")) != NULL) && (*s == 'n')) {
-				NetState = NETLOOP_SUCCESS;
-				return;
+			if ((s = getenv("autoload")) != NULL) {
+				if (*s == 'n') {
+					/*
+					 * Just use BOOTP to configure system;
+					 * Do not use TFTP to load the bootfile.
+					 */
+					NetState = NETLOOP_SUCCESS;
+					return;
+				} else if (strcmp(s, "NFS") == 0) {
+					/*
+					 * Use NFS to load the bootfile.
+					 */
+					NfsStart();
+					return;
+				}
 			}
 			TftpStart();
 			return;