From 4e8ae64a5edb911a454aeb3202f2b91f35996654 Mon Sep 17 00:00:00 2001 From: wdenk Date: Fri, 11 Oct 2002 08:43:32 +0000 Subject: [PATCH] Das U-Boot: Universal Boot Loader --- board/cradle/cradle.c | 227 +++++++++++++++++++++++++ board/lubbock/lubbock.c | 67 ++++++++ include/configs/cradle.h | 354 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 648 insertions(+) create mode 100644 board/cradle/cradle.c create mode 100644 board/lubbock/lubbock.c create mode 100644 include/configs/cradle.h diff --git a/board/cradle/cradle.c b/board/cradle/cradle.c new file mode 100644 index 0000000000..f599a315ae --- /dev/null +++ b/board/cradle/cradle.c @@ -0,0 +1,227 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * 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 +#include + +/* ------------------------------------------------------------------------- */ + + +/* 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 ); +} diff --git a/board/lubbock/lubbock.c b/board/lubbock/lubbock.c new file mode 100644 index 0000000000..ba9b86b314 --- /dev/null +++ b/board/lubbock/lubbock.c @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * 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 + +/* ------------------------------------------------------------------------- */ + + +/* + * 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; +} diff --git a/include/configs/cradle.h b/include/configs/cradle.h new file mode 100644 index 0000000000..f87f171866 --- /dev/null +++ b/include/configs/cradle.h @@ -0,0 +1,354 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * 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 + +#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 */ -- 2.25.1