Initial revision

board/cradle/cradle.c

+/*
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 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
+ */
+
+#include <asm/arch/pxa-regs.h>
+#include <common.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+/* local prototypes */
+void set_led (int led, int color);
+void error_code_halt (int code);
+int init_sio (int led, unsigned long base);
+inline void cradle_outb (unsigned short val, unsigned long base,
+			 unsigned long reg);
+inline unsigned char cradle_inb (unsigned long base, unsigned long reg);
+inline void sleep (int i);
+
+inline void
+/**********************************************************/
+sleep (int i)
+/**********************************************************/
+{
+	while (i--) {
+		udelay (1000000);
+	}
+}
+
+void
+/**********************************************************/
+error_code_halt (int code)
+/**********************************************************/
+{
+	while (1) {
+		led_code (code, RED);
+		sleep (1);
+		led_code (0, OFF);
+		sleep (1);
+	}
+}
+
+void
+/**********************************************************/
+led_code (int code, int color)
+/**********************************************************/
+{
+	int i;
+
+	code &= 0xf;		/* only 4 leds */
+
+	for (i = 0; i < 4; i++) {
+		if (code & (1 << i)) {
+			set_led (i, color);
+		} else {
+			set_led (i, OFF);
+		}
+	}
+}
+
+void
+/**********************************************************/
+set_led (int led, int color)
+/**********************************************************/
+{
+	int shift = led * 2;
+	unsigned long mask = 0x3 << shift;
+
+	CRADLE_LED_CLR_REG = mask;	/* clear bits */
+	CRADLE_LED_SET_REG = (color << shift);	/* set bits */
+	udelay (5000);
+}
+
+inline void
+/**********************************************************/
+cradle_outb (unsigned short val, unsigned long base, unsigned long reg)
+/**********************************************************/
+{
+	*(volatile unsigned short *) (base + (reg * 2)) = val;
+}
+
+inline unsigned char
+/**********************************************************/
+cradle_inb (unsigned long base, unsigned long reg)
+/**********************************************************/
+{
+	unsigned short val;
+
+	val = *(volatile unsigned short *) (base + (reg * 2));
+	return (val & 0xff);
+}
+
+int
+/**********************************************************/
+init_sio (int led, unsigned long base)
+/**********************************************************/
+{
+	unsigned char val;
+
+	set_led (led, YELLOW);
+	val = cradle_inb (base, CRADLE_SIO_INDEX);
+	val = cradle_inb (base, CRADLE_SIO_INDEX);
+	if (val != 0) {
+		set_led (led, RED);
+		return -1;
+	}
+
+	/* map SCC2 to COM1 */
+	cradle_outb (0x01, base, CRADLE_SIO_INDEX);
+	cradle_outb (0x00, base, CRADLE_SIO_DATA);
+
+	/* enable SCC2 extended regs */
+	cradle_outb (0x40, base, CRADLE_SIO_INDEX);
+	cradle_outb (0xa0, base, CRADLE_SIO_DATA);
+
+	/* enable SCC2 clock multiplier */
+	cradle_outb (0x51, base, CRADLE_SIO_INDEX);
+	cradle_outb (0x04, base, CRADLE_SIO_DATA);
+
+	/* enable SCC2 */
+	cradle_outb (0x00, base, CRADLE_SIO_INDEX);
+	cradle_outb (0x04, base, CRADLE_SIO_DATA);
+
+	/* map SCC2 DMA to channel 0 */
+	cradle_outb (0x4f, base, CRADLE_SIO_INDEX);
+	cradle_outb (0x09, base, CRADLE_SIO_DATA);
+
+	/* read ID from SIO to check operation */
+	cradle_outb (0xe4, base, 0x3f8 + 0x3);
+	val = cradle_inb (base, 0x3f8 + 0x0);
+	if ((val & 0xf0) != 0x20) {
+		set_led (led, RED);
+		/* disable SCC2 */
+		cradle_outb (0, base, CRADLE_SIO_INDEX);
+		cradle_outb (0, base, CRADLE_SIO_DATA);
+		return -1;
+	}
+	/* set back to bank 0 */
+	cradle_outb (0, base, 0x3f8 + 0x3);
+	set_led (led, GREEN);
+	return 0;
+}
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int
+/**********************************************************/
+board_post_init (void)
+/**********************************************************/
+{
+	return (0);
+}
+
+int
+/**********************************************************/
+board_init (void)
+/**********************************************************/
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	led_code (0xf, YELLOW);
+
+	/* arch number of HHP Cradle */
+	gd->bd->bi_arch_number = 174;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0xa0000100;
+
+	/* Init SIOs to enable SCC2 */
+	udelay (100000);		/* delay makes it look neat */
+	init_sio (0, CRADLE_SIO1_PHYS);
+	udelay (100000);
+	init_sio (1, CRADLE_SIO2_PHYS);
+	udelay (100000);
+	init_sio (2, CRADLE_SIO3_PHYS);
+	udelay (100000);
+	set_led (3, GREEN);
+
+	return 1;
+}
+
+int
+/**********************************************************/
+dram_init (void)
+/**********************************************************/
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size  = PHYS_SDRAM_1_SIZE;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size  = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+	gd->bd->bi_dram[2].size  = PHYS_SDRAM_3_SIZE;
+	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+	gd->bd->bi_dram[3].size  = PHYS_SDRAM_4_SIZE;
+
+	return (PHYS_SDRAM_1_SIZE +
+		PHYS_SDRAM_2_SIZE +
+		PHYS_SDRAM_3_SIZE +
+		PHYS_SDRAM_4_SIZE );
+}

board/lubbock/lubbock.c

+/*
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 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
+ */
+
+#include <common.h>
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* memory and cpu-speed are setup before relocation */
+	/* so we do _nothing_ here */
+
+	/* arch number of Lubbock-Board */
+	gd->bd->bi_arch_number = 89;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0xa0000100;
+
+	return 1;
+}
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
+	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
+	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
+	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
+	return PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE + PHYS_SDRAM_3_SIZE +
+			PHYS_SDRAM_4_SIZE;
+}

include/configs/cradle.h

+/*
+ * (C) Copyright 2002
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+#define CONFIG_INIT_CRITICAL            /* undef for developing */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_PXA250           1       /* This is an PXA250 CPU    */
+#define CONFIG_HHP_CRADLE       1       /* on an Cradle Board       */
+
+#undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff */
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_MALLOC_SIZE      (CFG_ENV_SIZE + 128*1024)
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_DRIVER_SMC91111
+#define CONFIG_SMC91111_BASE 0x10000300
+#define CONFIG_SMC91111_EXT_PHY
+#define CONFIG_SMC_USE_32_BIT
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_FFUART          1       /* we use FFUART on LUBBOCK */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE         115200
+
+#define CONFIG_COMMANDS         (CONFIG_CMD_DFL)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY        3
+#define CONFIG_BOOTARGS         "root=/dev/mtdblock2 console=ttyS0,115200"
+#define CONFIG_ETHADDR          08:00:3e:26:0a:5b
+#define CONFIG_NETMASK          255.255.0.0
+#define CONFIG_IPADDR           192.168.0.21
+#define CONFIG_SERVERIP         192.168.0.250
+#define CONFIG_BOOTCOMMAND      "bootm 40000"
+#define CONFIG_CMDLINE_TAG
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP                            /* undef to save memory         */
+#define CFG_PROMPT              "=> "   /* Monitor Command Prompt       */
+#define CFG_CBSIZE              256             /* Console I/O Buffer Size      */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS             16              /* max number of command args   */
+#define CFG_BARGSIZE            CFG_CBSIZE      /* Boot Argument Buffer Size    */
+
+#define CFG_MEMTEST_START       0xa0400000      /* memtest works on     */
+#define CFG_MEMTEST_END         0xa0800000      /* 4 ... 8 MB in DRAM   */
+
+#undef  CFG_CLKS_IN_HZ          /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR           0xa2000000      /* default load address */
+
+#define CFG_HZ                  3686400         /* incrementer freq: 3.6864 MHz */
+#define CFG_CPUSPEED            0x141           /* set core clock to 200/200/100 MHz */
+
+                                                /* valid baudrates */
+#define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE        (128*1024)      /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ    (4*1024)        /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ    (4*1024)        /* FIQ stack */
+#endif
+
+/*
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS    4          /* we have 2 banks of DRAM */
+#define PHYS_SDRAM_1            0xa0000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE       0x01000000 /* 64 MB */
+#define PHYS_SDRAM_2            0xa4000000 /* SDRAM Bank #2 */
+#define PHYS_SDRAM_2_SIZE       0x00000000 /* 0 MB */
+#define PHYS_SDRAM_3            0xa8000000 /* SDRAM Bank #3 */
+#define PHYS_SDRAM_3_SIZE       0x00000000 /* 0 MB */
+#define PHYS_SDRAM_4            0xac000000 /* SDRAM Bank #4 */
+#define PHYS_SDRAM_4_SIZE       0x00000000 /* 0 MB */
+
+#define PHYS_FLASH_1            0x00000000 /* Flash Bank #1 */
+#define PHYS_FLASH_2            0x04000000 /* Flash Bank #1 */
+#define PHYS_FLASH_SIZE         0x02000000 /* 32 MB */
+
+#define CFG_DRAM_BASE           0xa0000000
+#define CFG_DRAM_SIZE           0x04000000
+
+#define CFG_FLASH_BASE          PHYS_FLASH_1
+
+/*
+ * FLASH and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS     1     /* max number of memory banks           */
+#define CFG_MAX_FLASH_SECT      32    /* max number of sectors on one chip    */
+
+/* timeout values are in ticks */
+#define CFG_FLASH_ERASE_TOUT    (2*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT    (2*CFG_HZ) /* Timeout for Flash Write */
+
+#define CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_ADDR				0x00020000	/* absolute address for now   */
+#define CFG_ENV_SIZE				0x20000	   /* 8K ouch, this may later be */
+
+/******************************************************************************
+ *
+ * CPU specific defines
+ *
+ ******************************************************************************/
+
+/*
+ * GPIO settings
+ *
+ * GPIO pin assignments
+ * GPIO     Name        Dir Out AF
+ * 0        NC
+ * 1        NC
+ * 2        SIRQ1       I
+ * 3        SIRQ2       I
+ * 4        SIRQ3       I
+ * 5        DMAACK1     O   0
+ * 6        DMAACK2     O   0
+ * 7        DMAACK3     O   0
+ * 8        TC1         O   0
+ * 9        TC2         O   0
+ * 10       TC3         O   0
+ * 11       nDMAEN      O   1
+ * 12       AENCTRL     O   0
+ * 13       PLDTC       O   0
+ * 14       ETHIRQ      I
+ * 15       NC
+ * 16       NC
+ * 17       NC
+ * 18       RDY         I
+ * 19       DMASIO      I
+ * 20       ETHIRQ      NC
+ * 21       NC
+ * 22       PGMEN       O   1    FIXME for debug only enable flash
+ * 23       NC
+ * 24       NC
+ * 25       NC
+ * 26       NC
+ * 27       NC
+ * 28       NC
+ * 29       NC
+ * 30       NC
+ * 31       NC
+ * 32       NC
+ * 33       NC
+ * 34       FFRXD       I       01
+ * 35       FFCTS       I       01
+ * 36       FFDCD       I       01
+ * 37       FFDSR       I       01
+ * 38       FFRI        I       01
+ * 39       FFTXD       O   1   10
+ * 40       FFDTR       O   0   10
+ * 41       FFRTS       O   0   10
+ * 42       RS232FOFF   O   0   00
+ * 43       NC
+ * 44       NC
+ * 45       IRSL0       O   0
+ * 46       IRRX0       I       01
+ * 47       IRTX0       O   0   10
+ * 48       NC
+ * 49       nIOWE       O   0
+ * 50       NC
+ * 51       NC
+ * 52       NC
+ * 53       NC
+ * 54       NC
+ * 55       NC
+ * 56       NC
+ * 57       NC
+ * 58       DKDIRQ      I
+ * 59       NC
+ * 60       NC
+ * 61       NC
+ * 62       NC
+ * 63       NC
+ * 64       COMLED      O   0
+ * 65       COMLED      O   0
+ * 66       COMLED      O   0
+ * 67       COMLED      O   0
+ * 68       COMLED      O   0
+ * 69       COMLED      O   0
+ * 70       COMLED      O   0
+ * 71       COMLED      O   0
+ * 72       NC
+ * 73       NC
+ * 74       NC
+ * 75       NC
+ * 76       NC
+ * 77       NC
+ * 78       CSIO        O   1
+ * 79       NC
+ * 80       CSETH       O   1
+ *
+ * NOTE: All NC's are defined to be outputs
+ *
+ */
+/* Pin direction control */
+/* NOTE GPIO 0, 61, 62 are set for inputs due to CPLD SPAREs */
+#define CFG_GPDR0_VAL       0xfff3bf02
+#define CFG_GPDR1_VAL       0xfbffbf83
+#define CFG_GPDR2_VAL       0x0001ffff
+/* Set and Clear registers */
+#define CFG_GPSR0_VAL       0x00400800
+#define CFG_GPSR1_VAL       0x00000480
+#define CFG_GPSR2_VAL       0x00014000
+#define CFG_GPCR0_VAL       0x00000000
+#define CFG_GPCR1_VAL       0x00000000
+#define CFG_GPCR2_VAL       0x00000000
+/* Edge detect registers (these are set by the kernel) */
+#define CFG_GRER0_VAL       0x00000000
+#define CFG_GRER1_VAL       0x00000000
+#define CFG_GRER2_VAL       0x00000000
+#define CFG_GFER0_VAL       0x00000000
+#define CFG_GFER1_VAL       0x00000000
+#define CFG_GFER2_VAL       0x00000000
+/* Alternate function registers */
+#define CFG_GAFR0_L_VAL     0x00000000
+#define CFG_GAFR0_U_VAL     0x00000010
+#define CFG_GAFR1_L_VAL     0x900a9550
+#define CFG_GAFR1_U_VAL     0x00000008
+#define CFG_GAFR2_L_VAL     0x20000000
+#define CFG_GAFR2_U_VAL     0x00000002
+
+/*
+ * Clocks, power control and interrupts
+ */
+#define CFG_PSSR_VAL        0x00000020
+#define CFG_CCCR_VAL        0x00000141  /* 100 MHz memory, 200 MHz CPU  */
+#define CFG_CKEN_VAL        0x00000060  /* FFUART and STUART enabled    */
+#define CFG_ICMR_VAL        0x00000000  /* No interrupts enabled        */
+
+/* FIXME
+ *
+ * RTC settings
+ * Watchdog
+ *
+ */
+
+/*
+ * Memory settings
+ *
+ * FIXME Can ethernet be burst read and/or write?? This is set for lubbock
+ *       Verify timings on all
+ */
+#define CFG_MSC0_VAL        0x000023FA  /* flash bank    (cs0)   */
+/*#define CFG_MSC1_VAL        0x00003549  / * SuperIO bank  (cs2)   */
+#define CFG_MSC1_VAL        0x0000354c  /* SuperIO bank  (cs2)   */
+#define CFG_MSC2_VAL        0x00001224  /* Ethernet bank (cs4)   */
+#ifdef REDBOOT_WAY
+#define CFG_MDCNFG_VAL      0x00001aa1  /* FIXME can DTC be 01?     */
+#define CFG_MDMRS_VAL       0x00000000
+#define CFG_MDREFR_VAL      0x00018018
+#else
+#define CFG_MDCNFG_VAL      0x00001aa1  /* FIXME can DTC be 01?     */
+#define CFG_MDMRS_VAL       0x00000000
+#define CFG_MDREFR_VAL      0x00403018  /* Initial setting, individual bits set in memsetup.S */
+#endif
+
+/*
+ * PCMCIA and CF Interfaces (NOT USED, these values from lubbock init)
+ */
+#define CFG_MECR_VAL          0x00000000
+#define CFG_MCMEM0_VAL        0x00010504
+#define CFG_MCMEM1_VAL        0x00010504
+#define CFG_MCATT0_VAL        0x00010504
+#define CFG_MCATT1_VAL        0x00010504
+#define CFG_MCIO0_VAL         0x00004715
+#define CFG_MCIO1_VAL         0x00004715
+
+/* Board specific defines */
+
+/* LED defines */
+#define YELLOW    0x03
+#define RED       0x02
+#define GREEN     0x01
+#define OFF       0x00
+#define LED_IRDA0 0
+#define LED_IRDA1 2
+#define LED_IRDA2 4
+#define LED_IRDA3 6
+#define CRADLE_LED_SET_REG GPSR2
+#define CRADLE_LED_CLR_REG GPCR2
+
+/* SuperIO defines */
+#define CRADLE_SIO_INDEX      0x2e
+#define CRADLE_SIO_DATA       0x2f
+
+/* IO defines */
+#define CRADLE_CPLD_PHYS      0x08000000
+#define CRADLE_SIO1_PHYS      0x08100000
+#define CRADLE_SIO2_PHYS      0x08200000
+#define CRADLE_SIO3_PHYS      0x08300000
+#define CRADLE_ETH_PHYS       0x10000000
+
+#ifndef __ASSEMBLY__
+
+/* global prototypes */
+void led_code(int code, int color);
+
+#endif
+
+#endif  /* __CONFIG_H */