Commit d9fd6ff5 authored by wdenk's avatar wdenk
Browse files

Initial revision

parent a68d3ed0
/*
* (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 );
}
/*
* (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;
}
/*
* (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__