diff options
Diffstat (limited to 'board/gth')
| -rw-r--r-- | board/gth/Makefile | 44 | ||||
| -rw-r--r-- | board/gth/README | 18 | ||||
| -rw-r--r-- | board/gth/config.mk | 40 | ||||
| -rw-r--r-- | board/gth/ee_access.c | 335 | ||||
| -rw-r--r-- | board/gth/ee_access.h | 16 | ||||
| -rw-r--r-- | board/gth/ee_dev.h | 85 | ||||
| -rw-r--r-- | board/gth/flash.c | 649 | ||||
| -rw-r--r-- | board/gth/gth.c | 595 | ||||
| -rw-r--r-- | board/gth/pcmcia.c | 93 | ||||
| -rw-r--r-- | board/gth/u-boot.lds | 127 |
10 files changed, 0 insertions, 2002 deletions
diff --git a/board/gth/Makefile b/board/gth/Makefile deleted file mode 100644 index 4b5c528..0000000 --- a/board/gth/Makefile +++ /dev/null @@ -1,44 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS = $(BOARD).o flash.o ee_access.o pcmcia.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/gth/README b/board/gth/README deleted file mode 100644 index 241c70b..0000000 --- a/board/gth/README +++ /dev/null @@ -1,18 +0,0 @@ -Written by Thomas.Lange@corelatus.com 010805 - -To make a system for gth that actually works ;-) -the variable TBASE needs to be set to 0,1 or 2 -depending on location where image is supposed to -be started from. -E.g. make TBASE=1 - -0: Start from RAM, base 0 - -1: Start from flash_base + 0x10070 - -2: Start from flash_base + 0x30070 - -When using 1 or 2, the image is supposed to be launched -from miniboot that boots the first U-Boot image found in -flash. -For miniboot code, description, see www.opensource.se diff --git a/board/gth/config.mk b/board/gth/config.mk deleted file mode 100644 index 3c80156..0000000 --- a/board/gth/config.mk +++ /dev/null @@ -1,40 +0,0 @@ -# -# (C) Copyright 2000, 2001 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -# -ifeq ($(TBASE),0) -TEXT_BASE = 0 -else -ifeq ($(TBASE),1) -TEXT_BASE = 0x80010070 -else -ifeq ($(TBASE),2) -TEXT_BASE = 0x80030070 -else -## Only to make ordinary make work -TEXT_BASE = 0x90000000 -endif -endif -endif - -OBJCFLAGS = --set-section-flags=.ppcenv=contents,alloc,load,data diff --git a/board/gth/ee_access.c b/board/gth/ee_access.c deleted file mode 100644 index 2a33a0e..0000000 --- a/board/gth/ee_access.c +++ /dev/null @@ -1,335 +0,0 @@ -/* Module for handling DALLAS DS2438, smart battery monitor - Chip can store up to 40 bytes of user data in EEPROM, - perform temp, voltage and current measurements. - Chip also contains a unique serial number. - - Always read/write LSb first - - For documentaion, see data sheet for DS2438, 2438.pdf - - By Thomas.Lange@corelatus.com 001025 */ - -#include <common.h> -#include <config.h> -#include <mpc8xx.h> - -#include <../board/gth/ee_dev.h> - -/* We dont have kernel functions */ -#define printk printf -#define KERN_DEBUG -#define KERN_ERR -#define EIO 1 - -static int Debug = 0; - -#ifndef TRUE -#define TRUE 1 -#endif -#ifndef FALSE -#define FALSE 0 -#endif - -/* - * lookup table ripped from DS app note 17, understanding and using - * cyclic redundancy checks... - */ - -static u8 crc_lookup[256] = { - 0, 94, 188, 226, 97, 63, 221, 131, - 194, 156, 126, 32, 163, 253, 31, 65, - 157, 195, 33, 127, 252, 162, 64, 30, - 95, 1, 227, 189, 62, 96, 130, 220, - 35, 125, 159, 193, 66, 28, 254, 160, - 225, 191, 93, 3, 128, 222, 60, 98, - 190, 224, 2, 92, 223, 129, 99, 61, - 124, 34, 192, 158, 29, 67, 161, 255, - 70, 24, 250, 164, 39, 121, 155, 197, - 132, 218, 56, 102, 229, 187, 89, 7, - 219, 133, 103, 57, 186, 228, 6, 88, - 25, 71, 165, 251, 120, 38, 196, 154, - 101, 59, 217, 135, 4, 90, 184, 230, - 167, 249, 27, 69, 198, 152, 122, 36, - 248, 166, 68, 26, 153, 199, 37, 123, - 58, 100, 134, 216, 91, 5, 231, 185, - 140, 210, 48, 110, 237, 179, 81, 15, - 78, 16, 242, 172, 47, 113, 147, 205, - 17, 79, 173, 243, 112, 46, 204, 146, - 211, 141, 111, 49, 178, 236, 14, 80, - 175, 241, 19, 77, 206, 144, 114, 44, - 109, 51, 209, 143, 12, 82, 176, 238, - 50, 108, 142, 208, 83, 13, 239, 177, - 240, 174, 76, 18, 145, 207, 45, 115, - 202, 148, 118, 40, 171, 245, 23, 73, - 8, 86, 180, 234, 105, 55, 213, 139, - 87, 9, 235, 181, 54, 104, 138, 212, - 149, 203, 41, 119, 244, 170, 72, 22, - 233, 183, 85, 11, 136, 214, 52, 106, - 43, 117, 151, 201, 74, 20, 246, 168, - 116, 42, 200, 150, 21, 75, 169, 247, - 182, 232, 10, 84, 215, 137, 107, 53 -}; - -static u8 make_new_crc( u8 Old_crc, u8 New_value ){ - /* Compute a new checksum with new byte, using previous checksum as input - See DS app note 17, understanding and using cyclic redundancy checks... - Also see DS2438, page 11 */ - return( crc_lookup[Old_crc ^ New_value ]); -} - -int ee_crc_ok( u8 *Buffer, int Len, u8 Crc ){ - /* Check if the checksum for this buffer is correct */ - u8 Curr_crc=0; - int i; - u8 *Curr_byte = Buffer; - - for(i=0;i<Len;i++){ - Curr_crc = make_new_crc( Curr_crc, *Curr_byte); - Curr_byte++; - } - E_DEBUG("Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc); - - if(Curr_crc == Crc){ - /* Good */ - return(TRUE); - } - printk(KERN_ERR"EE checksum error, Calculated CRC = 0x%x, read = 0x%x\n", - Curr_crc, Crc); - return(FALSE); -} - -static void -set_idle(void){ - /* Send idle and keep start time - Continous 1 is idle */ - WRITE_PORT(1); -} - -static int -do_reset(void){ - /* Release reset and verify that chip responds with presence pulse */ - int Retries = 0; - while(Retries<5){ - udelay(RESET_LOW_TIME); - - /* Send reset */ - WRITE_PORT(0); - udelay(RESET_LOW_TIME); - - /* Release reset */ - WRITE_PORT(1); - - /* Wait for EEPROM to drive output */ - udelay(PRESENCE_TIMEOUT); - if(!READ_PORT){ - /* Ok, EEPROM is driving a 0 */ - E_DEBUG("Presence detected\n"); - if(Retries){ - E_DEBUG("Retries %d\n",Retries); - } - /* Make sure chip releases pin */ - udelay(PRESENCE_LOW_TIME); - return 0; - } - Retries++; - } - - printk(KERN_ERR"EEPROM did not respond when releasing reset\n"); - - /* Make sure chip releases pin */ - udelay(PRESENCE_LOW_TIME); - - /* Set to idle again */ - set_idle(); - - return(-EIO); -} - -static u8 -read_byte(void){ - /* Read a single byte from EEPROM - Read LSb first */ - int i; - int Value; - u8 Result=0; -#ifndef CONFIG_SYS_IMMR - u32 Flags; -#endif - - E_DEBUG("Reading byte\n"); - - for(i=0;i<8;i++){ - /* Small delay between pulses */ - udelay(1); - -#ifndef CONFIG_SYS_IMMR - /* Disable irq */ - save_flags(Flags); - cli(); -#endif - - /* Pull down pin short time to start read - See page 26 in data sheet */ - - WRITE_PORT(0); - udelay(READ_LOW); - WRITE_PORT(1); - - /* Wait for chip to drive pin */ - udelay(READ_TIMEOUT); - - Value = READ_PORT; - if(Value) - Value=1; - -#ifndef CONFIG_SYS_IMMR - /* Enable irq */ - restore_flags(Flags); -#endif - - /* Wait for chip to release pin */ - udelay(TOTAL_READ_LOW-READ_TIMEOUT); - - /* LSb first */ - Result|=Value<<i; - } - - E_DEBUG("Read byte 0x%x\n",Result); - - return(Result); -} - -static void -write_byte(u8 Byte){ - /* Write a single byte to EEPROM - Write LSb first */ - int i; - int Value; -#ifndef CONFIG_SYS_IMMR - u32 Flags; -#endif - - E_DEBUG("Writing byte 0x%x\n",Byte); - - for(i=0;i<8;i++){ - /* Small delay between pulses */ - udelay(1); - Value = Byte&1; - -#ifndef CONFIG_SYS_IMMR - /* Disable irq */ - save_flags(Flags); - cli(); -#endif - - /* Pull down pin short time for a 1, long time for a 0 - See page 26 in data sheet */ - - WRITE_PORT(0); - if(Value){ - /* Write a 1 */ - udelay(WRITE_1_LOW); - } - else{ - /* Write a 0 */ - udelay(WRITE_0_LOW); - } - - WRITE_PORT(1); - -#ifndef CONFIG_SYS_IMMR - /* Enable irq */ - restore_flags(Flags); -#endif - - if(Value) - /* Wait for chip to read the 1 */ - udelay(TOTAL_WRITE_LOW-WRITE_1_LOW); - Byte>>=1; - } -} - -int ee_do_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip ){ - /* Execute this command string, including - giving reset and setting to idle after command - if Rx_len is set, we read out data from EEPROM */ - int i; - - E_DEBUG("Command, Tx_len %d, Rx_len %d\n", Tx_len, Rx_len ); - - if(do_reset()){ - /* Failed! */ - return(-EIO); - } - - if(Send_skip) - /* Always send SKIP_ROM first to tell chip we are sending a command, - except when we read out rom data for chip */ - write_byte(SKIP_ROM); - - /* Always have Tx data */ - for(i=0;i<Tx_len;i++){ - write_byte(Tx[i]); - } - - if(Rx_len){ - for(i=0;i<Rx_len;i++){ - Rx[i]=read_byte(); - } - } - - set_idle(); - - E_DEBUG("Command done\n"); - - return(0); -} - -int ee_init_data(void){ - int i; - u8 Tx[10]; - int tmp; - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - - while(0){ - tmp = 1-tmp; - if(tmp) - immap->im_ioport.iop_padat &= ~PA_FRONT_LED; - else - immap->im_ioport.iop_padat |= PA_FRONT_LED; - udelay(1); - } - - /* Set port to open drain to be able to read data from - port without setting it to input */ - PORT_B_PAR &= ~PB_EEPROM; - PORT_B_ODR |= PB_EEPROM; - SET_PORT_B_OUTPUT(PB_EEPROM); - - /* Set idle mode */ - set_idle(); - - /* Copy all User EEPROM data to scratchpad */ - for(i=0;i<USER_PAGES;i++){ - Tx[0]=RECALL_MEMORY; - Tx[1]=EE_USER_PAGE_0+i; - if(ee_do_command(Tx,2,NULL,0,TRUE)) return(-EIO); - } - - /* Make sure chip doesnt store measurements in NVRAM */ - Tx[0]=WRITE_SCRATCHPAD; - Tx[1]=0; /* Page */ - Tx[2]=9; - if(ee_do_command(Tx,3,NULL,0,TRUE)) return(-EIO); - - Tx[0]=COPY_SCRATCHPAD; - if(ee_do_command(Tx,2,NULL,0,TRUE)) return(-EIO); - - /* FIXME check status bit instead - Could take 10 ms to store in EEPROM */ - for(i=0;i<10;i++){ - udelay(1000); - } - - return(0); -} diff --git a/board/gth/ee_access.h b/board/gth/ee_access.h deleted file mode 100644 index e847f2c..0000000 --- a/board/gth/ee_access.h +++ /dev/null @@ -1,16 +0,0 @@ -/* By Thomas.Lange@Corelatus.com 001025 - - Definitions for EEPROM/VOLT METER DS2438 */ - -#ifndef INCeeaccessh -#define INCeeaccessh - -int ee_do_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip ); -int ee_init_data(void); -int ee_crc_ok( u8 *Buffer, int Len, u8 Crc ); - -#ifndef TRUE -#define TRUE 1 -#endif - -#endif /* INCeeaccessh */ diff --git a/board/gth/ee_dev.h b/board/gth/ee_dev.h deleted file mode 100644 index 3004b46..0000000 --- a/board/gth/ee_dev.h +++ /dev/null @@ -1,85 +0,0 @@ -/* By Thomas.Lange@Corelatus.com 001025 - $Revision: 1.6 $ - - Definitions for EEPROM/VOLT METER DS2438 - Copyright (C) 2000-2001 Corelatus AB */ - -#ifndef INCeedevh -#define INCeedevh - -#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args) - -#define PORT_B_PAR ((volatile immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar -#define PORT_B_ODR ((volatile immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr -#define PORT_B_DIR ((volatile immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir -#define PORT_B_DAT ((volatile immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat - -#define SET_PORT_B_INPUT(Mask) PORT_B_DIR &= ~(Mask) -#define SET_PORT_B_OUTPUT(Mask) PORT_B_DIR |= Mask - -#define WRITE_PORT_B(Mask,Value) { \ - if (Value) PORT_B_DAT |= Mask; \ - else PORT_B_DAT &= ~(Mask); \ - } -#define WRITE_PORT(Value) WRITE_PORT_B(PB_EEPROM,Value) - -#define READ_PORT (PORT_B_DAT&PB_EEPROM) - -/* 64 bytes chip */ -#define EE_CHIP_SIZE 64 - -/* We use this resistor for measuring the current drain on 3.3V */ -#define CURRENT_RESISTOR 0.022 - -/* microsecs - Pull line down at least this long for reset pulse */ -#define RESET_LOW_TIME 490 - -/* Read presence pulse after we release reset pulse */ -#define PRESENCE_TIMEOUT 100 -#define PRESENCE_LOW_TIME 200 - -#define WRITE_0_LOW 80 -#define WRITE_1_LOW 2 -#define TOTAL_WRITE_LOW 80 - -#define READ_LOW 2 -#define READ_TIMEOUT 10 -#define TOTAL_READ_LOW 80 - -/*** Rom function commands ***/ -#define READ_ROM 0x33 -#define MATCH_ROM 0x55 -#define SKIP_ROM 0xCC -#define SEARCH_ROM 0xF0 - - -/*** Memory_command_function ***/ -#define WRITE_SCRATCHPAD 0x4E -#define READ_SCRATCHPAD 0xBE -#define COPY_SCRATCHPAD 0x48 -#define RECALL_MEMORY 0xB8 -#define CONVERT_TEMP 0x44 -#define CONVERT_VOLTAGE 0xB4 - -/* Chip is divided in 8 pages, 8 bytes each */ - -#define EE_PAGE_SIZE 8 - -/* All chip data we want are in page 0 */ - -/* Bytes in page 0 */ -#define EE_P0_STATUS 0 -#define EE_P0_TEMP_LSB 1 -#define EE_P0_TEMP_MSB 2 -#define EE_P0_VOLT_LSB 3 -#define EE_P0_VOLT_MSB 4 -#define EE_P0_CURRENT_LSB 5 -#define EE_P0_CURRENT_MSB 6 - - -/* 40 byte user data is located at page 3-7 */ -#define EE_USER_PAGE_0 3 -#define USER_PAGES 5 - -#endif /* INCeedevh */ diff --git a/board/gth/flash.c b/board/gth/flash.c deleted file mode 100644 index 169270b..0000000 --- a/board/gth/flash.c +++ /dev/null @@ -1,649 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.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> -#include <mpc8xx.h> - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (vu_long *addr, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); -static void flash_get_offsets (ulong base, flash_info_t *info); - -/*----------------------------------------------------------------------- - * Protection Flags: - */ -#define FLAG_PROTECT_SET 0x01 -#define FLAG_PROTECT_CLEAR 0x02 - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - unsigned long size_b0, size_b1; - int i; - - /*printf("faking");*/ - - return(0x1fffff); - - /* Init: no FLASHes known */ - for (i=0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) - { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Static FLASH Bank configuration here - FIXME XXX */ - - size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) - { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0<<20); - } - -#if 0 - if (FLASH_BASE1_PRELIM != 0x0) { - size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); - - if (size_b1 > size_b0) { - printf ("## ERROR: Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n", - size_b1, size_b1<<20,size_b0, size_b0<<20); - - flash_info[0].flash_id = FLASH_UNKNOWN; - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[0].sector_count = -1; - flash_info[1].sector_count = -1; - flash_info[0].size = 0; - flash_info[1].size = 0; - return (0); - } - } else { -#endif - size_b1 = 0; - - /* Remap FLASH according to real size */ - memctl->memc_or0 = CONFIG_SYS_OR0_PRELIM; - memctl->memc_br0 = CONFIG_SYS_BR0_PRELIM; - - /* Re-do sizing to get full correct info */ - size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]); - - flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]); - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - - if (size_b1) - { - /* memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; - memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; */ - - /* Re-do sizing to get full correct info */ - size_b1 = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE + size_b0), - &flash_info[1]); - - flash_get_offsets (CONFIG_SYS_FLASH_BASE + size_b0, &flash_info[1]); - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - (void)flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[1]); -#endif - } - else - { -/* memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; - FIXME memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; */ - - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[1].sector_count = -1; - } - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - - return (size_b0 + size_b1); -} - - -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - /* set up sector start adress table */ - if (info->flash_id & FLASH_BTYPE) - { - /* set sector offsets for bottom boot block type */ - for (i = 0; i < info->sector_count; i++) - { - info->start[i] = base + (i * 0x00040000); - } - } - else - { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - for (; i >= 0; i--) - { - info->start[i] = base + i * 0x00040000; - } - } - -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - -#if 0 - case FLASH_AM040B: - printf ("AM29F040B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM040T: - printf ("AM29F040T (4 Mbit, top boot sect)\n"); - break; -#endif - case FLASH_AM400B: - printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM400T: - printf ("AM29LV400T (4 Mbit, top boot sector)\n"); - break; - case FLASH_AM800B: - printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM800T: - printf ("AM29LV800T (8 Mbit, top boot sector)\n"); - break; - case FLASH_AM160B: - printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM160T: - printf ("AM29LV160T (16 Mbit, top boot sector)\n"); - break; - case FLASH_AM320B: - printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM320T: - printf ("AM29LV320T (32 Mbit, top boot sector)\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, - info->sector_count); - - printf (" Sector Start Addresses:"); - - for (i=0; i<info->sector_count; ++i) - { - if ((i % 5) == 0) - { - printf ("\n "); - } - - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " "); - } - - printf ("\n"); - return; -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_long *addr, flash_info_t *info) -{ - short i; -#if 0 - ulong base = (ulong)addr; -#endif - ulong value; - - /* Write auto select command: read Manufacturer ID */ -#if 0 - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00900090; -#else - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x90909090; -#endif - - value = addr[0]; - - switch (value) - { - case AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; - - case FUJ_MANUFACT: - info->flash_id = FLASH_MAN_FUJ; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - break; - } - - value = addr[1]; /* device ID */ - - switch (value) - { -#if 0 - case AMD_ID_F040B: - info->flash_id += FLASH_AM040B; - info->sector_count = 8; - info->size = 0x00200000; - break; /* => 2 MB */ -#endif - case AMD_ID_LV400T: - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case AMD_ID_LV400B: - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case AMD_ID_LV800T: - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case AMD_ID_LV800B: - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case AMD_ID_LV160T: - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ - - case AMD_ID_LV160B: - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00400000; - break; /* => 4 MB */ -#if 0 /* enable when device IDs are available */ - case AMD_ID_LV320T: - info->flash_id += FLASH_AM320T; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ - - case AMD_ID_LV320B: - info->flash_id += FLASH_AM320B; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ -#endif - default: - info->flash_id = FLASH_UNKNOWN; - return (0); /* => no or unknown flash */ - - } - -#if 0 - /* set up sector start adress table */ - if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00008000; - info->start[2] = base + 0x0000C000; - info->start[3] = base + 0x00010000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00020000) - 0x00060000; - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x00010000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00020000; - } - } -#else - flash_get_offsets ((ulong)addr, &flash_info[0]); -#endif - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) - { - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (volatile unsigned long *)(info->start[i]); - info->protect[i] = addr[2] & 1; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) - { - addr = (volatile unsigned long *)info->start[0]; -#if 0 - *addr = 0x00F000F0; /* reset bank */ -#else - *addr = 0xF0F0F0F0; /* reset bank */ -#endif - } - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - vu_long *addr = (vu_long*)(info->start[0]); - int flag, prot, sect, l_sect; - ulong start, now, last; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id == FLASH_UNKNOWN) || - (info->flash_id > FLASH_AMD_COMP)) { - printf ("Can't erase unknown flash type - aborted\n"); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - -#if 0 - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00800080; - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; -#else - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x80808080; - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; -#endif - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (vu_long*)(info->start[sect]); -#if 0 - addr[0] = 0x00300030; -#else - addr[0] = 0x30303030; -#endif - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (vu_long*)(info->start[l_sect]); -#if 0 - while ((addr[0] & 0x00800080) != 0x00800080) -#else - while ((addr[0] & 0xFFFFFFFF) != 0xFFFFFFFF) -#endif - { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - -DONE: - /* reset to read mode */ - addr = (volatile unsigned long *)info->start[0]; -#if 0 - addr[0] = 0x00F000F0; /* reset bank */ -#else - addr[0] = 0xF0F0F0F0; /* reset bank */ -#endif - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); -} -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - vu_long *addr = (vu_long*)(info->start[0]); - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *)dest) & data) != data) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - -#if 0 - addr[0x0555] = 0x00AA00AA; - addr[0x02AA] = 0x00550055; - addr[0x0555] = 0x00A000A0; -#else - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0xA0A0A0A0; -#endif - - *((vu_long *)dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); -#if 0 - while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) -#else - while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) -#endif - { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/board/gth/gth.c b/board/gth/gth.c deleted file mode 100644 index 4399db2..0000000 --- a/board/gth/gth.c +++ /dev/null @@ -1,595 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Adapted from FADS and other board config files to GTH by thomas@corelatus.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 - */ - -#include <common.h> -#include <config.h> -#include <watchdog.h> -#include <mpc8xx.h> -#include "ee_access.h" -#include "ee_dev.h" - -#ifdef CONFIG_BDM -#undef printf -#define printf(a,...) /* nothing */ -#endif - - -int checkboard (void) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - int Id = 0; - int Rev = 0; - u32 Pbdat; - - puts ("Board: "); - - /* Turn on leds and setup for reading rev and id */ - -#define PB_OUTS (PB_BLUE_LED|PB_ID_GND) -#define PB_INS (PB_ID_0|PB_ID_1|PB_ID_2|PB_ID_3|PB_REV_1|PB_REV_0) - - immap->im_cpm.cp_pbpar &= ~(PB_OUTS | PB_INS); - - immap->im_cpm.cp_pbdir &= ~PB_INS; - - immap->im_cpm.cp_pbdir |= PB_OUTS; - immap->im_cpm.cp_pbodr |= PB_OUTS; - immap->im_cpm.cp_pbdat &= ~PB_OUTS; - - /* Hold 100 Mbit in reset until fpga is loaded */ - immap->im_ioport.iop_pcpar &= ~PC_ENET100_RESET; - immap->im_ioport.iop_pcdir |= PC_ENET100_RESET; - immap->im_ioport.iop_pcso &= ~PC_ENET100_RESET; - immap->im_ioport.iop_pcdat &= ~PC_ENET100_RESET; - - /* Turn on front led to show that we are alive */ - immap->im_ioport.iop_papar &= ~PA_FRONT_LED; - immap->im_ioport.iop_padir |= PA_FRONT_LED; - immap->im_ioport.iop_paodr |= PA_FRONT_LED; - immap->im_ioport.iop_padat &= ~PA_FRONT_LED; - - Pbdat = immap->im_cpm.cp_pbdat; - - if (!(Pbdat & PB_ID_0)) - Id += 1; - if (!(Pbdat & PB_ID_1)) - Id += 2; - if (!(Pbdat & PB_ID_2)) - Id += 4; - if (!(Pbdat & PB_ID_3)) - Id += 8; - - if (Pbdat & PB_REV_0) - Rev += 1; - if (Pbdat & PB_REV_1) - Rev += 2; - - /* Turn ID off since we dont need it anymore */ - immap->im_cpm.cp_pbdat |= PB_ID_GND; - - printf ("GTH board, rev %d, id=0x%01x\n", Rev, Id); - return 0; -} - -#define _NOT_USED_ 0xffffffff -const uint sdram_table[] = { - /* Single read, offset 0 */ - 0x0f3dfc04, 0x0eefbc04, 0x01bf7c04, 0x0feafc00, - 0x1fb5fc45, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Burst read, Offset 0x8, 4 reads */ - 0x0f3dfc04, 0x0eefbc04, 0x00bf7c04, 0x00ffec00, - 0x00fffc00, 0x01eafc00, 0x1fb5fc00, 0xfffffc45, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Not used part of burst read is used for MRS, Offset 0x14 */ - 0xefeabc34, 0x1fb57c34, 0xfffffc05, _NOT_USED_, - /* _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, */ - - /* Single write, Offset 0x18 */ - 0x0f3dfc04, 0x0eebbc00, 0x01a27c04, 0x1fb5fc45, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Burst write, Offset 0x20. 4 writes */ - 0x0f3dfc04, 0x0eebbc00, 0x00b77c00, 0x00fffc00, - 0x00fffc00, 0x01eafc04, 0x1fb5fc45, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Not used part of burst write is used for precharge, Offset 0x2C */ - 0x0ff5fc04, 0xfffffc05, _NOT_USED_, _NOT_USED_, - /* _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, */ - - /* Period timer service. Offset 0x30. Refresh. Wait at least 70 ns after refresh command */ - 0x1ffd7c04, 0xfffffc04, 0xfffffc04, 0xfffffc05, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Exception, Offset 0x3C */ - 0xfffffc04, 0xfffffc05, _NOT_USED_, _NOT_USED_ -}; - -const uint fpga_table[] = { - /* Single read, offset 0 */ - 0x0cffec04, 0x00ffec04, 0x00ffec04, 0x00ffec04, - 0x00fffc04, 0x00fffc00, 0x00ffec04, 0xffffec05, - - /* Burst read, Offset 0x8 */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Single write, Offset 0x18 */ - 0x0cffec04, 0x00ffec04, 0x00ffec04, 0x00ffec04, - 0x00fffc04, 0x00fffc00, 0x00ffec04, 0xffffec05, - - /* Burst write, Offset 0x20. */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Period timer service. Offset 0x30. */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - - /* Exception, Offset 0x3C */ - 0xfffffc04, 0xfffffc05, _NOT_USED_, _NOT_USED_ -}; - -int _initsdram (uint base, uint * noMbytes) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *mc = &immap->im_memctl; - volatile u32 *memptr; - - mc->memc_mptpr = MPTPR_PTP_DIV16; /* (16-17) */ - - /* SDRAM in UPMA - - GPL_0 is connected instead of A19 to SDRAM. - According to table 16-17, AMx should be 001, i.e. type 1 - and GPL_0 should hold address A10 when multiplexing */ - - mc->memc_mamr = (0x2E << MAMR_PTA_SHIFT) | MAMR_PTAE | MAMR_AMA_TYPE_1 | MAMR_G0CLA_A10 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X; /* (16-13) */ - - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - /* Perform init of sdram ( Datasheet Page 9 ) - Precharge */ - mc->memc_mcr = 0x8000212C; /* run upm a at 0x2C (16-15) */ - - /* Run 2 refresh cycles */ - mc->memc_mcr = 0x80002130; /* run upm a at 0x30 (16-15) */ - mc->memc_mcr = 0x80002130; /* run upm a at 0x30 (16-15) */ - - /* Set Mode register */ - mc->memc_mar = 0x00000088; /* set mode register (address) to 0x022 (16-17) */ - /* Lower 2 bits are not connected to chip */ - mc->memc_mcr = 0x80002114; /* run upm a at 0x14 (16-15) */ - - /* CS1, base 0x0000000 - 64 Mbyte, use UPM A */ - mc->memc_or1 = 0xfc000000 | OR_CSNT_SAM; - mc->memc_br1 = BR_MS_UPMA | BR_V; /* SDRAM base always 0 */ - - /* Test if we really have 64 MB SDRAM */ - memptr = (u32 *) 0; - *memptr = 0; - - memptr = (u32 *) 0x2000000; /* First u32 in upper 32 MB */ - *memptr = 0x12345678; - - memptr = (u32 *) 0; - if (*memptr == 0x12345678) { - /* Wrapped, only have 32 MB */ - mc->memc_or1 = 0xfe000000 | OR_CSNT_SAM; - *noMbytes = 32; - } else { - /* 64 MB */ - *noMbytes = 64; - } - - /* Setup FPGA in UPMB */ - upmconfig (UPMB, (uint *) fpga_table, - sizeof (fpga_table) / sizeof (uint)); - - /* Enable UPWAITB */ - mc->memc_mbmr = MBMR_GPL_B4DIS; /* (16-13) */ - - /* CS2, base FPGA_2_BASE - 4 MByte, use UPM B 32 Bit */ - mc->memc_or2 = 0xffc00000 | OR_BI; - mc->memc_br2 = FPGA_2_BASE | BR_MS_UPMB | BR_V; - - /* CS3, base FPGA_3_BASE - 4 MByte, use UPM B 16 bit */ - mc->memc_or3 = 0xffc00000 | OR_BI; - mc->memc_br3 = FPGA_3_BASE | BR_MS_UPMB | BR_V | BR_PS_16; - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -void _sdramdisable (void) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - memctl->memc_br1 = 0x00000000; - - /* maybe we should turn off upmb here or something */ -} - -/* ------------------------------------------------------------------------- */ - -int initsdram (uint base, uint * noMbytes) -{ - *noMbytes = 32; - -#ifdef CONFIG_START_IN_RAM - /* SDRAM is already setup. Dont touch it */ - return 0; -#else - - if (!_initsdram (base, noMbytes)) { - - return 0; - } else { - _sdramdisable (); - - return -1; - } -#endif -} - -phys_size_t initdram (int board_type) -{ - u32 *i; - u32 j; - u32 k; - - /* GTH only have SDRAM */ - uint sdramsz; - - if (!initsdram (0x00000000, &sdramsz)) { - printf ("(%u MB SDRAM) ", sdramsz); - } else { - /******************************** - *SDRAM ERROR, HALT PROCESSOR - *********************************/ - printf ("SDRAM ERROR\n"); - while (1); - } - -#ifndef CONFIG_START_IN_RAM - -#define U32_S ((sdramsz<<18)-1) - -#if 1 - /* Do a simple memory test */ - for (i = (u32 *) 0, j = 0; (u32) i < U32_S; i += 2, j += 2) { - *i = j + (j << 17); - *(i + 1) = ~(j + (j << 18)); - } - - WATCHDOG_RESET (); - - printf ("."); - - for (i = (u32 *) 0, j = 0; (u32) i < U32_S; i += 2, j += 2) { - k = *i; - if (k != (j + (j << 17))) { - printf ("Mem test error, i=0x%x, 0x%x\n, 0x%x", (u32) i, j, k); - while (1); - } - k = *(i + 1); - if (k != ~(j + (j << 18))) { - printf ("Mem test error(+1), i=0x%x, 0x%x\n, 0x%x", - (u32) i + 1, j, k); - while (1); - } - } -#endif - - WATCHDOG_RESET (); - - /* Clear memory */ - for (i = (u32 *) 0; (u32) i < U32_S; i++) { - *i = 0; - } -#endif /* !start in ram */ - - WATCHDOG_RESET (); - - return (sdramsz << 20); -} - -#define POWER_OFFSET 0xF0000 -#define SW_WATCHDOG_REASON 13 - -#define BOOTDATA_OFFSET 0xF8000 -#define MAX_ATTEMPTS 5 - -#define FAILSAFE_BOOT 1 -#define SYSTEM_BOOT 2 - -#define WRITE_FLASH16(a, d) \ -do \ -{ \ - *((volatile u16 *) (a)) = (d);\ - } while(0) - -static void write_bootdata (volatile u16 * addr, u8 System, u8 Count) -{ - u16 data; - volatile u16 *flash = (u16 *) (CONFIG_SYS_FLASH_BASE); - - if ((System != FAILSAFE_BOOT) & (System != SYSTEM_BOOT)) { - printf ("Invalid system data %u, setting failsafe\n", System); - System = FAILSAFE_BOOT; - } - - if ((Count < 1) | (Count > MAX_ATTEMPTS)) { - printf ("Invalid boot count %u, setting 1\n", Count); - Count = 1; - } - - if (System == FAILSAFE_BOOT) { - printf ("Setting failsafe boot in flash\n"); - } else { - printf ("Setting system boot in flash\n"); - } - printf ("Boot attempt %d\n", Count); - - data = (System << 8) | Count; - /* AMD 16 bit */ - WRITE_FLASH16 (&flash[0x555], 0xAAAA); - WRITE_FLASH16 (&flash[0x2AA], 0x5555); - WRITE_FLASH16 (&flash[0x555], 0xA0A0); - - WRITE_FLASH16 (addr, data); -} - -static void maybe_update_restart_reason (volatile u32 * addr32) -{ - /* Update addr if sw wd restart */ - volatile u16 *flash = (u16 *) (CONFIG_SYS_FLASH_BASE); - volatile u16 *addr_16 = (u16 *) addr32; - u32 rsr; - - /* Dont reset register now */ - rsr = ((volatile immap_t *) CONFIG_SYS_IMMR)->im_clkrst.car_rsr; - - rsr >>= 24; - - if (rsr & 0x10) { - /* Was really a sw wd restart, update reason */ - - printf ("Last restart by software watchdog\n"); - - /* AMD 16 bit */ - WRITE_FLASH16 (&flash[0x555], 0xAAAA); - WRITE_FLASH16 (&flash[0x2AA], 0x5555); - WRITE_FLASH16 (&flash[0x555], 0xA0A0); - - WRITE_FLASH16 (addr_16, 0); - - udelay (1000); - - WATCHDOG_RESET (); - - /* AMD 16 bit */ - WRITE_FLASH16 (&flash[0x555], 0xAAAA); - WRITE_FLASH16 (&flash[0x2AA], 0x5555); - WRITE_FLASH16 (&flash[0x555], 0xA0A0); - - WRITE_FLASH16 (addr_16 + 1, SW_WATCHDOG_REASON); - - } -} - -static void check_restart_reason (void) -{ - /* Update restart reason if sw watchdog was - triggered */ - - int i; - volatile u32 *raddr; - - raddr = (u32 *) (CONFIG_SYS_FLASH_BASE + POWER_OFFSET); - - if (*raddr == 0xFFFFFFFF) { - /* Nothing written */ - maybe_update_restart_reason (raddr); - } else { - /* Search for latest written reason */ - i = 0; - while ((*(raddr + 2) != 0xFFFFFFFF) & (i < 2000)) { - raddr += 2; - i++; - } - if (i >= 2000) { - /* Whoa, dont write any more */ - printf ("*** No free restart reason found ***\n"); - } else { - /* Check if written */ - if (*raddr == 0) { - /* Erased by kernel, no new reason written */ - maybe_update_restart_reason (raddr + 2); - } - } - } -} - -static void check_boot_tries (void) -{ - /* Count the number of boot attemps - switch system if too many */ - - int i; - volatile u16 *addr; - volatile u16 data; - int failsafe = 1; - u8 system; - u8 count; - - addr = (u16 *) (CONFIG_SYS_FLASH_BASE + BOOTDATA_OFFSET); - - if (*addr == 0xFFFF) { - printf ("*** No bootdata exists. ***\n"); - write_bootdata (addr, FAILSAFE_BOOT, 1); - } else { - /* Search for latest written bootdata */ - i = 0; - while ((*(addr + 1) != 0xFFFF) & (i < 8000)) { - addr++; - i++; - } - if (i >= 8000) { - /* Whoa, dont write any more */ - printf ("*** No bootdata found. Not updating flash***\n"); - } else { - /* See how many times we have tried to boot real system */ - data = *addr; - system = data >> 8; - count = data & 0xFF; - if ((system != SYSTEM_BOOT) & (system != FAILSAFE_BOOT)) { - printf ("*** Wrong system %d\n", system); - system = FAILSAFE_BOOT; - count = 1; - } else { - switch (count) { - case 0: - case 1: - case 2: - case 3: - case 4: - /* Try same system again if needed */ - count++; - break; - - case 5: - /* Switch system and reset tries */ - count = 1; - system = 3 - system; - printf ("***Too many boot attempts, switching system***\n"); - break; - default: - /* Switch system, start over and hope it works */ - printf ("***Unexpected data on addr 0x%x, %u***\n", - (u32) addr, data); - count = 1; - system = 3 - system; - } - } - write_bootdata (addr + 1, system, count); - if (system == SYSTEM_BOOT) { - failsafe = 0; - } - } - } - if (failsafe) { - printf ("Booting failsafe system\n"); - setenv ("bootargs", "panic=1 root=/dev/hda7"); - setenv ("bootcmd", "disk 100000 0:5;bootm 100000"); - } else { - printf ("Using normal system\n"); - setenv ("bootargs", "panic=1 root=/dev/hda4"); - setenv ("bootcmd", "disk 100000 0:2;bootm 100000"); - } -} - -int misc_init_r (void) -{ - u8 Rx[80]; - u8 Tx[5]; - int page; - int read = 0; - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - - /* Kill fpga */ - immap->im_ioport.iop_papar &= ~(PA_FL_CONFIG | PA_FL_CE); - immap->im_ioport.iop_padir |= (PA_FL_CONFIG | PA_FL_CE); - immap->im_ioport.iop_paodr &= ~(PA_FL_CONFIG | PA_FL_CE); - - /* Enable fpga, active low */ - immap->im_ioport.iop_padat &= ~PA_FL_CE; - - /* Start configuration */ - immap->im_ioport.iop_padat &= ~PA_FL_CONFIG; - udelay (2); - - immap->im_ioport.iop_padat |= (PA_FL_CONFIG | PA_FL_CE); - - /* Check if we need to boot failsafe system */ - check_boot_tries (); - - /* Check if we need to update restart reason */ - check_restart_reason (); - - if (ee_init_data ()) { - printf ("EEPROM init failed\n"); - return (0); - } - - /* Read the pages where ethernet address is stored */ - - for (page = EE_USER_PAGE_0; page <= EE_USER_PAGE_0 + 2; page++) { - /* Copy from nvram to scratchpad */ - Tx[0] = RECALL_MEMORY; - Tx[1] = page; - if (ee_do_command (Tx, 2, NULL, 0, TRUE)) { - printf ("EE user page %d recall failed\n", page); - return (0); - } - - Tx[0] = READ_SCRATCHPAD; - if (ee_do_command (Tx, 2, Rx + read, 9, TRUE)) { - printf ("EE user page %d read failed\n", page); - return (0); - } - /* Crc in 9:th byte */ - if (!ee_crc_ok (Rx + read, 8, *(Rx + read + 8))) { - printf ("EE read failed, page %d. CRC error\n", page); - return (0); - } - read += 8; - } - - /* Add eos after eth addr */ - Rx[17] = 0; - - printf ("Ethernet addr read from eeprom: %s\n\n", Rx); - - if ((Rx[2] != ':') | - (Rx[5] != ':') | - (Rx[8] != ':') | (Rx[11] != ':') | (Rx[14] != ':')) { - printf ("*** ethernet addr invalid, using default ***\n"); - } else { - setenv ("ethaddr", (char *)Rx); - } - return (0); -} diff --git a/board/gth/pcmcia.c b/board/gth/pcmcia.c deleted file mode 100644 index a4db16d..0000000 --- a/board/gth/pcmcia.c +++ /dev/null @@ -1,93 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <pcmcia.h> - -#undef CONFIG_PCMCIA - -#if defined(CONFIG_CMD_PCMCIA) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define CONFIG_PCMCIA -#endif - -#ifdef CONFIG_PCMCIA - -#define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" - -int pcmcia_voltage_set (int slot, int vcc, int vpp) -{ /* Do nothing */ - return 0; -} - -int pcmcia_hardware_enable (int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: GTH Slot %c\n", 'A' + slot); - - immap = (immap_t *) CONFIG_SYS_IMMR; - sysp = (sysconf8xx_t *) (&(((immap_t *) CONFIG_SYS_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *) (&(((immap_t *) CONFIG_SYS_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *) (&(((immap_t *) CONFIG_SYS_IMMR)->im_cpm)); - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - udelay (500); - - /* - * Make sure there is a card in the slot, - * then configure the interface. - */ - udelay (10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__, __FUNCTION__, - &(pcmp->pcmc_pipr), pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & 0x98000000) { - printf (" No Card found\n"); - return (1); - } - - mask = PCMCIA_VS1 (slot) | PCMCIA_VS2 (slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", - (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX (_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - - udelay (250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return 0; -} -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_hardware_disable(int slot) -{ - return 0; /* No hardware to disable */ -} -#endif - -#endif /* CONFIG_PCMCIA */ diff --git a/board/gth/u-boot.lds b/board/gth/u-boot.lds deleted file mode 100644 index 4145a91..0000000 --- a/board/gth/u-boot.lds +++ /dev/null @@ -1,127 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.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 - */ - -OUTPUT_ARCH(powerpc) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } - .text : - { - arch/powerpc/cpu/mpc8xx/start.o(.text) - *(.text) - common/env_embedded.o(.text) - *(.got1) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(.eh_frame) - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) - } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } - - /* Read-write section, merged into data segment: */ - . = (. + 0x0FFF) & 0xFFFFF000; - _erotext = .; - PROVIDE (erotext = .); - .reloc : - { - *(.got) - _GOT2_TABLE_ = .; - *(.got2) - _FIXUP_TABLE_ = .; - *(.fixup) - } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS - } - _edata = .; - PROVIDE (edata = .); - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - - . = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(4096); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(4096); - __init_end = .; - - __bss_start = .; - .bss (NOLOAD) : - { - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - . = ALIGN(4); - } - _end = . ; - PROVIDE (end = .); -} |