diff options
author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
---|---|---|
committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/BuS | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'u-boot/board/BuS')
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c | 234 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/Makefile | 44 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/cfm_flash.c | 212 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/cfm_flash.h | 40 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/config.mk | 28 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/flash.c | 413 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/textbase.mk | 1 | ||||
-rw-r--r-- | u-boot/board/BuS/EB+MCF-EV123/u-boot.lds | 139 | ||||
-rw-r--r-- | u-boot/board/BuS/eb_cpux9k2/Makefile | 50 | ||||
-rw-r--r-- | u-boot/board/BuS/eb_cpux9k2/cpux9k2.c | 386 |
10 files changed, 1547 insertions, 0 deletions
diff --git a/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c b/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c new file mode 100644 index 0000000..d64ad1b --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/EB+MCF-EV123.c @@ -0,0 +1,234 @@ +/* + * (C) Copyright 2005-2009 + * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> + * + * (C) Copyright 2000-2003 + * 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 <command.h> +#include "asm/m5282.h" +#include <bmp_layout.h> +#include <status_led.h> +#include <bus_vcxk.h> + +/*---------------------------------------------------------------------------*/ + +DECLARE_GLOBAL_DATA_PTR; + +unsigned long display_width; +unsigned long display_height; + +/*---------------------------------------------------------------------------*/ + +int checkboard (void) +{ + puts ("Board: MCF-EV1 + MCF-EV23 (BuS Elektronik GmbH & Co. KG)\n"); +#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + puts (" Boot from Internal FLASH\n"); +#endif + + return 0; +} + +phys_size_t initdram (int board_type) +{ + int size, i; + + size = 0; + MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 + | MCFSDRAMC_DCR_RC ((15 * CONFIG_SYS_CLK) >> 4); +#ifdef CONFIG_SYS_SDRAM_BASE0 + + MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE0) + | MCFSDRAMC_DACR_CASL (1) + | MCFSDRAMC_DACR_CBM (3) + | MCFSDRAMC_DACR_PS_16; + + MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *) (CONFIG_SYS_SDRAM_BASE0) = 0xA5A5; + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; + for (i = 0; i < 2000; i++) + asm (" nop"); + mbar_writeLong (MCFSDRAMC_DACR0, + mbar_readLong (MCFSDRAMC_DACR0) | MCFSDRAMC_DACR_IMRS); + *(unsigned int *) (CONFIG_SYS_SDRAM_BASE0 + 0x220) = 0xA5A5; + size += CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; +#endif +#ifdef CONFIG_SYS_SDRAM_BASE1 + MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) + | MCFSDRAMC_DACR_CASL (1) + | MCFSDRAMC_DACR_CBM (3) + | MCFSDRAMC_DACR_PS_16; + + MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5; + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; + + for (i = 0; i < 2000; i++) + asm (" nop"); + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; + *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5; + size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024; +#endif + return size; +} + +#if defined(CONFIG_SYS_DRAM_TEST) +int testdram (void) +{ + uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; + uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; + uint *p; + + printf("SDRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test passed.\n"); + return 0; +} +#endif + +int misc_init_r(void) +{ +#ifdef CONFIG_HW_WATCHDOG + hw_watchdog_init(); +#endif +#ifndef CONFIG_VIDEO + vcxk_init(16, 16); +#endif + return 1; +} + +#if defined(CONFIG_VIDEO) + +/* + ****h* EB+CPU5282-T1/drv_video_init + * FUNCTION + *** + */ + +int drv_video_init(void) +{ + char *s; + unsigned long splash; + + printf("Init Video as "); + + if ((s = getenv("displaywidth")) != NULL) + display_width = simple_strtoul(s, NULL, 10); + else + display_width = 256; + + if ((s = getenv("displayheight")) != NULL) + display_height = simple_strtoul(s, NULL, 10); + else + display_height = 256; + + printf("%lu x %lu pixel matrix\n", display_width, display_height); + + MCFCCM_CCR &= ~MCFCCM_CCR_SZEN; + MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2; + + vcxk_init(display_width, display_height); + +#ifdef CONFIG_SPLASH_SCREEN + if ((s = getenv("splashimage")) != NULL) { + debug("use splashimage: %s\n", s); + splash = simple_strtoul(s, NULL, 16); + debug("use splashimage: %x\n", splash); + vcxk_acknowledge_wait(); + video_display_bitmap(splash, 0, 0); + } +#endif + return 0; +} +#endif + +/*---------------------------------------------------------------------------*/ + +#ifdef CONFIG_VIDEO +int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 0; + ulong side; + ulong bright; + + switch (argc) { + case 3: + side = simple_strtoul(argv[1], NULL, 10); + bright = simple_strtoul(argv[2], NULL, 10); + if ((side >= 0) && (side <= 3) && + (bright >= 0) && (bright <= 1000)) { + vcxk_setbrightness(side, bright); + rcode = 0; + } else { + printf("parameters out of range\n"); + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } + break; + default: + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + break; + } + return rcode; +} + +/*---------------------------------------------------------------------------*/ + +U_BOOT_CMD( + bright, 3, 0, do_brightness, + "sets the display brightness\n", + " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +#endif + +/* EOF EB+MCF-EV123.c */ diff --git a/u-boot/board/BuS/EB+MCF-EV123/Makefile b/u-boot/board/BuS/EB+MCF-EV123/Makefile new file mode 100644 index 0000000..0f14699 --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/Makefile @@ -0,0 +1,44 @@ +# +# (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).o + +COBJS = $(BOARD).o cfm_flash.o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.c b/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.c new file mode 100644 index 0000000..fe03b17 --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.c @@ -0,0 +1,212 @@ +/* + * Basic Flash Driver for Freescale MCF 5281/5282 internal FLASH + * + * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 <asm/m5282.h> +#include "cfm_flash.h" + +#if defined(CONFIG_M5281) || defined(CONFIG_M5282) + +#if (CONFIG_SYS_CLK>20000000) + #define CFM_CLK (((long) CONFIG_SYS_CLK / (400000 * 8) + 1) | 0x40) +#else + #define CFM_CLK ((long) CONFIG_SYS_CLK / 400000 + 1) +#endif + +#define cmf_backdoor_address(addr) (((addr) & 0x0007FFFF) | 0x04000000 | \ + (CONFIG_SYS_MBAR & 0xC0000000)) + +void cfm_flash_print_info (flash_info_t * info) +{ + printf ("Freescale: "); + switch (info->flash_id & FLASH_TYPEMASK) { + case FREESCALE_ID_MCF5281 & FLASH_TYPEMASK: + printf ("MCF5281 internal FLASH\n"); + break; + case FREESCALE_ID_MCF5282 & FLASH_TYPEMASK: + printf ("MCF5282 internal FLASH\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } +} + +void cfm_flash_init (flash_info_t * info) +{ + int sector; + ulong protection; + MCFCFM_MCR = 0; + MCFCFM_CLKD = CFM_CLK; + debug ("CFM Clock divider: %ld (%d Hz @ %ld Hz)\n",CFM_CLK,\ + CONFIG_SYS_CLK / (2* ((CFM_CLK & 0x3F)+1) * (1+((CFM_CLK & 0x40)>>6)*7)),\ + CONFIG_SYS_CLK); + MCFCFM_SACC = 0; + MCFCFM_DACC = 0; + + if (MCFCFM_SEC & MCFCFM_SEC_KEYEN) + puts("CFM backdoor access is enabled\n"); + if (MCFCFM_SEC & MCFCFM_SEC_SECSTAT) + puts("CFM securety is enabled\n"); + + #ifdef CONFIG_M5281 + info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) | + (FREESCALE_ID_MCF5281 & FLASH_TYPEMASK); + info->size = 256*1024; + info->sector_count = 16; + #else + info->flash_id = (FREESCALE_MANUFACT & FLASH_VENDMASK) | + (FREESCALE_ID_MCF5282 & FLASH_TYPEMASK); + info->size = 512*1024; + info->sector_count = 32; + #endif + protection = MCFCFM_PROT; + for (sector = 0; sector < info->sector_count; sector++) + { + if (sector == 0) + { + info->start[sector] = CONFIG_SYS_INT_FLASH_BASE; + } + else + { + info->start[sector] = info->start[sector-1] + 0x04000; + } + info->protect[sector] = protection & 1; + protection >>= 1; + } +} + +int cfm_flash_readycheck(int checkblank) +{ + int rc; + unsigned char state; + + rc = ERR_OK; + while (!(MCFCFM_USTAT & MCFCFM_USTAT_CCIF)); + state = MCFCFM_USTAT; + if (state & MCFCFM_USTAT_ACCERR) + { + debug ("%s(): CFM access error",__FUNCTION__); + rc = ERR_PROG_ERROR; + } + if (state & MCFCFM_USTAT_PVIOL) + { + debug ("%s(): CFM protection violation",__FUNCTION__); + rc = ERR_PROTECTED; + } + if (checkblank) + { + if (!(state & MCFCFM_USTAT_BLANK)) + { + debug ("%s(): CFM erras error",__FUNCTION__); + rc = ERR_NOT_ERASED; + } + } + MCFCFM_USTAT = state & 0x34; /* reset state */ + return rc; +} + +/* Erase 16KiB = 8 2KiB pages */ + +int cfm_flash_erase_sector (flash_info_t * info, int sector) +{ + ulong address; + int page; + int rc; + rc= ERR_OK; + address = cmf_backdoor_address(info->start[sector]); + for (page=0; (page<8) && (rc==ERR_OK); page++) + { + *(volatile __u32*) address = 0; + MCFCFM_CMD = MCFCFM_CMD_PGERS; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(0); + if (rc==ERR_OK) + { + *(volatile __u32*) address = 0; + MCFCFM_CMD = MCFCFM_CMD_PGERSVER; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(1); + } + address += 0x800; + } + return rc; +} + +int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + ulong dest, data; + + rc = ERR_OK; + if (addr & 3) + { + debug ("Byte and Word alignment not supported\n"); + rc = ERR_ALIGN; + } + if (cnt & 3) + { + debug ("Byte and Word transfer not supported\n"); + rc = ERR_ALIGN; + } + dest = cmf_backdoor_address(addr); + while ((cnt>=4) && (rc == ERR_OK)) + { + data = *((volatile u32 *) src); + *(volatile u32*) dest = data; + MCFCFM_CMD = MCFCFM_CMD_PGM; + MCFCFM_USTAT = MCFCFM_USTAT_CBEIF; + rc = cfm_flash_readycheck(0); + if (*(volatile u32*) addr != data) rc = ERR_PROG_ERROR; + src +=4; + dest +=4; + addr +=4; + cnt -=4; + } + return rc; +} + +#ifdef CONFIG_SYS_FLASH_PROTECTION + +int cfm_flash_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + + rc= ERR_OK; + if (prot) + { + MCFCFM_PROT |= (1<<sector); + info->protect[sector]=1; + } + else + { + MCFCFM_PROT &= ~(1<<sector); + info->protect[sector]=0; + } + return rc; +} + +#endif + +#endif diff --git a/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.h b/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.h new file mode 100644 index 0000000..ed4e794 --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/cfm_flash.h @@ -0,0 +1,40 @@ +/* + * Basic Flash Driver for Freescale MCF 5282 internal FLASH + * + * (C) Copyright 2005 BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.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 __CFM_FLASH_H_ +#define __CFM_FLASH_H_ + +#define FREESCALE_MANUFACT 0xFACFFACF +#define FREESCALE_ID_MCF5281 0x5281 +#define FREESCALE_ID_MCF5282 0x5282 + +extern void cfm_flash_print_info (flash_info_t * info); +extern int cfm_flash_erase_sector (flash_info_t * info, int sector); +extern void cfm_flash_init (flash_info_t * info); +extern int cfm_flash_write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); +#ifdef CONFIG_SYS_FLASH_PROTECTION +extern int cfm_flash_protect(flash_info_t * info,long sector,int prot); +#endif + +#endif diff --git a/u-boot/board/BuS/EB+MCF-EV123/config.mk b/u-boot/board/BuS/EB+MCF-EV123/config.mk new file mode 100644 index 0000000..50185ae --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 +# + +sinclude $(OBJTREE)/board/$(BOARDDIR)/textbase.mk +ifndef CONFIG_SYS_TEXT_BASE +CONFIG_SYS_TEXT_BASE = 0xFE000000 +endif diff --git a/u-boot/board/BuS/EB+MCF-EV123/flash.c b/u-boot/board/BuS/EB+MCF-EV123/flash.c new file mode 100644 index 0000000..3c36367 --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/flash.c @@ -0,0 +1,413 @@ +/* + * (C) Copyright 2005 + * BuS Elektronik GmbH & Co.KG <esw@bus-elektonik.de> + * + * Based On + * 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 "cfm_flash.h" + +#define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE +#define FLASH_BANK_SIZE 0x200000 + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; + +void flash_print_info (flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case (AMD_MANUFACT & FLASH_VENDMASK): + printf ("AMD: "); + switch (info->flash_id & FLASH_TYPEMASK) { + case (AMD_ID_LV160B & FLASH_TYPEMASK): + printf ("AM29LV160B (16Bit)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } + break; + case FREESCALE_MANUFACT & FLASH_VENDMASK: + cfm_flash_print_info (info); + break; + default: + printf ("Unknown Vendor "); + break; + } + + puts (" Size: "); + if ((info->size >> 20) > 0) + { + printf ("%ld MiB",info->size >> 20); + } + else + { + printf ("%ld KiB",info->size >> 10); + } + printf (" in %d Sectors\n", info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; i++) { + if ((i % 4) == 0) { + printf ("\n "); + } + printf ("%02d: %08lX%s ", i,info->start[i], + info->protect[i] ? " P" : " "); + } + printf ("\n\n"); +} + +unsigned long flash_init (void) +{ + int i, j; + ulong size = 0; + + for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { + ulong flashbase = 0; + + switch (i) + { + case 1: + flash_info[i].flash_id = + (AMD_MANUFACT & FLASH_VENDMASK) | + (AMD_ID_LV160B & FLASH_TYPEMASK); + flash_info[i].size = FLASH_BANK_SIZE; + flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; + memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); + flashbase = PHYS_FLASH_1; + for (j = 0; j < flash_info[i].sector_count; j++) { + if (j == 0) { + /* 1st is 16 KiB */ + flash_info[i].start[j] = flashbase; + } + if ((j >= 1) && (j <= 2)) { + /* 2nd and 3rd are 8 KiB */ + flash_info[i].start[j] = + flashbase + 0x4000 + 0x2000 * (j - 1); + } + if (j == 3) { + /* 4th is 32 KiB */ + flash_info[i].start[j] = flashbase + 0x8000; + } + if ((j >= 4) && (j <= 34)) { + /* rest is 256 KiB */ + flash_info[i].start[j] = + flashbase + 0x10000 + 0x10000 * (j - 4); + } + } + break; + case 0: + cfm_flash_init (&flash_info[i]); + break; + default: + panic ("configured to many flash banks!\n"); + } + + size += flash_info[i].size; + } + + flash_protect (FLAG_PROTECT_SET, + CONFIG_SYS_FLASH_BASE, + CONFIG_SYS_FLASH_BASE + 0xffff, &flash_info[0]); + + return size; +} + +#define CMD_READ_ARRAY 0x00F0 +#define CMD_UNLOCK1 0x00AA +#define CMD_UNLOCK2 0x0055 +#define CMD_ERASE_SETUP 0x0080 +#define CMD_ERASE_CONFIRM 0x0030 +#define CMD_PROGRAM 0x00A0 +#define CMD_UNLOCK_BYPASS 0x0020 + +#define MEM_FLASH_ADDR1 (*(volatile u16 *)(info->start[0] + (0x00000555<<1))) +#define MEM_FLASH_ADDR2 (*(volatile u16 *)(info->start[0] + (0x000002AA<<1))) + + +#define BIT_ERASE_DONE 0x0080 +#define BIT_RDY_MASK 0x0080 +#define BIT_PROGRAM_ERROR 0x0020 +#define BIT_TIMEOUT 0x80000000 /* our flag */ + +#define ERR_READY -1 + +int amd_flash_erase_sector(flash_info_t * info, int sector) +{ + int state; + ulong result; + + volatile u16 *addr = + (volatile u16 *) (info->start[sector]); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + *addr = CMD_ERASE_CONFIRM; + + /* wait until flash is ready */ + state = 0; + set_timer (0); + + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CONFIG_SYS_FLASH_ERASE_TOUT) { + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + state = ERR_TIMOUT; + } + + if (!state && (result & 0xFFFF) & BIT_ERASE_DONE) + state = ERR_READY; + } + while (!state); + if (state == ERR_READY) + state = ERR_OK; + + MEM_FLASH_ADDR1 = CMD_READ_ARRAY; + + return state; +} + +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int iflag, cflag; + int sector; + int rc; + + rc = ERR_OK; + + if (info->flash_id == FLASH_UNKNOWN) + { + rc = ERR_UNKNOWN_FLASH_TYPE; + } /* (info->flash_id == FLASH_UNKNOWN) */ + + if ((s_first < 0) || (s_first > s_last) || s_last >= info->sector_count) + { + rc = ERR_INVAL; + } + + cflag = icache_status (); + icache_disable (); + iflag = disable_interrupts (); + + for (sector = s_first; (sector <= s_last) && (rc == ERR_OK); sector++) { + + if (info->protect[sector]) + { + putc('P'); /* protected sector will not erase */ + } + else + { + /* erase on unprotected sector */ + puts("E\b"); + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_erase_sector(info,sector); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_erase_sector(info,sector); + break; + default: + return ERR_UNKNOWN_FLASH_VENDOR; + } + putc('.'); + } + } + if (rc!=ERR_OK) + { + printf ("\n "); + flash_perror (rc); + } + else + { + printf (" done\n"); + } + + udelay (10000); /* allow flash to settle - wait 10 ms */ + + if (iflag) + enable_interrupts (); + + if (cflag) + icache_enable (); + + return rc; +} + +volatile static int amd_write_word (flash_info_t * info, ulong dest, u16 data) +{ + volatile u16 *addr; + ulong result; + int cflag, iflag; + int state; + + /* + * Check if Flash is (sufficiently) erased + */ + addr = (volatile u16 *) dest; + + result = *addr; + if ((result & data) != data) + return ERR_NOT_ERASED; + + /* + * Disable interrupts which might cause a timeout + * here. Remember that our exception vectors are + * at address 0 in the flash, and we don't want a + * (ticker) exception to happen while the flash + * chip is in programming mode. + */ + + cflag = icache_status (); + icache_disable (); + iflag = disable_interrupts (); + + MEM_FLASH_ADDR1 = CMD_UNLOCK1; + MEM_FLASH_ADDR2 = CMD_UNLOCK2; + MEM_FLASH_ADDR1 = CMD_PROGRAM; + *addr = data; + + /* arm simple, non interrupt dependent timer */ + set_timer (0); + + /* wait until flash is ready */ + state = 0; + do { + result = *addr; + + /* check timeout */ + if (get_timer (0) > CONFIG_SYS_FLASH_ERASE_TOUT) { + state = ERR_TIMOUT; + } + if (!state && ((result & BIT_RDY_MASK) == (data & BIT_RDY_MASK))) + state = ERR_READY; + + } while (!state); + + *addr = CMD_READ_ARRAY; + + if (state == ERR_READY) + state = ERR_OK; + if ((*addr != data) && (state != ERR_TIMOUT)) + state = ERR_PROG_ERROR; + + if (iflag) + enable_interrupts (); + + if (cflag) + icache_enable (); + + return state; +} + +int amd_flash_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + ulong dest; + u16 data; + + rc = ERR_OK; + if (addr & 1) + { + debug ("Byte alignment not supported\n"); + rc = ERR_ALIGN; + } + if (cnt & 1) + { + debug ("Byte transfer not supported\n"); + rc = ERR_ALIGN; + } + + dest = addr; + while ((cnt>=2) && (rc == ERR_OK)) + { + data = *((volatile u16 *) src); + rc=amd_write_word (info,dest,data); + src +=2; + dest +=2; + cnt -=2; + } + return rc; +} + +int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + int rc; + + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_write_buff(info,src,addr,cnt); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_write_buff(info,src,addr,cnt); + break; + default: + rc = ERR_UNKNOWN_FLASH_VENDOR; + } + return rc; + +} +int amd_flash_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + rc= ERR_OK; + if (prot) + { + info->protect[sector]=1; + } + else + { + info->protect[sector]=0; + } + return rc; +} + +#ifdef CONFIG_SYS_FLASH_PROTECTION + +int flash_real_protect(flash_info_t * info,long sector,int prot) +{ + int rc; + + switch (info->flash_id & FLASH_VENDMASK) + { + case (AMD_MANUFACT & FLASH_VENDMASK): + rc = amd_flash_protect(info,sector,prot); + break; + case (FREESCALE_MANUFACT & FLASH_VENDMASK): + rc = cfm_flash_protect(info,sector,prot); + break; + default: + rc = ERR_UNKNOWN_FLASH_VENDOR; + } + return rc; +} + +#endif diff --git a/u-boot/board/BuS/EB+MCF-EV123/textbase.mk b/u-boot/board/BuS/EB+MCF-EV123/textbase.mk new file mode 100644 index 0000000..b97c034 --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/textbase.mk @@ -0,0 +1 @@ +CONFIG_SYS_TEXT_BASE = 0xFFE00000 diff --git a/u-boot/board/BuS/EB+MCF-EV123/u-boot.lds b/u-boot/board/BuS/EB+MCF-EV123/u-boot.lds new file mode 100644 index 0000000..0fa633a --- /dev/null +++ b/u-boot/board/BuS/EB+MCF-EV123/u-boot.lds @@ -0,0 +1,139 @@ +/* + * (C) Copyright 2000-2003 + * 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(m68k) +/* 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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + arch/m68k/cpu/mcf52x2/start.o (.text) + common/dlmalloc.o (.text) + lib/string.o (.text) + lib/vsprintf.o (.text) + lib/crc32.o (.text) + lib/zlib.o (.text) + +/* . = env_offset; */ + common/env_embedded.o(.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + __got_start = .; + *(.got) + __got_end = .; + _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(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + _sbss = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/u-boot/board/BuS/eb_cpux9k2/Makefile b/u-boot/board/BuS/eb_cpux9k2/Makefile new file mode 100644 index 0000000..f45836f --- /dev/null +++ b/u-boot/board/BuS/eb_cpux9k2/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2003-2006 +# 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).o + +COBJS := cpux9k2.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c b/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c new file mode 100644 index 0000000..fe62a0f --- /dev/null +++ b/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c @@ -0,0 +1,386 @@ +/* + * (C) Copyright 2008-2009 + * BuS Elektronik GmbH & Co. KG <www.bus-elektronik.de> + * Jens Scharsig <esw@bus-elektronik.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 <exports.h> +#include <net.h> +#include <netdev.h> +#include <nand.h> + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_mc.h> + +#ifdef CONFIG_STATUS_LED +#include <status_led.h> +#endif + +#ifdef CONFIG_VIDEO +#include <bus_vcxk.h> + +extern unsigned long display_width; +extern unsigned long display_height; +#endif + +#ifdef CONFIG_CMD_NAND +void cpux9k2_nand_hw_init(void); +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init(void) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + /* Enable Ctrlc */ + console_init_f(); + + /* Correct IRDA resistor problem / Set PA23_TXD in Output */ + writel(AT91_PMX_AA_TXD2, &pio->pioa.oer); + + gd->bd->bi_arch_number = MACH_TYPE_EB_CPUX9K2; + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_STATUS_LED + status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); +#endif +#ifdef CONFIG_CMD_NAND + cpux9k2_nand_hw_init(); +#endif + return 0; +} + +#ifdef CONFIG_MISC_INIT_R + +int misc_init_r(void) +{ + uchar mac[8]; + uchar tm; + uchar midx; + uchar macn6, macn7; + +#ifdef CONFIG_NET_MULTI + if (getenv("ethaddr") == NULL) { + if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x00, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, + (uchar *) &mac, sizeof(mac)) != 0) { + puts("Error reading MAC from EEPROM\n"); + } else { + tm = 0; + macn6 = 0; + macn7 = 0xFF; + for (midx = 0; midx < 6; midx++) { + if ((mac[midx] != 0) && (mac[midx] != 0xFF)) + tm++; + macn6 += mac[midx]; + macn7 ^= mac[midx]; + } + if ((macn6 != mac[6]) || (macn7 != mac[7])) + tm = 0; + if (tm) + eth_setenv_enetaddr("ethaddr", mac); + else + puts("Error: invalid MAC at EEPROM\n"); + } + } +#endif + gd->jt[XF_do_reset] = (void *) do_reset; + +#ifdef CONFIG_STATUS_LED + status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); +#endif + return 0; +} +#endif + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ + udelay(10000); + eth_init(gd->bd); +} +#endif + +/* + * DRAM initialisations + */ + +int dram_init(void) +{ + gd->ram_size = get_ram_size((volatile long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +/* + * Ethernet initialisations + */ + +#ifdef CONFIG_DRIVER_AT91EMAC +int board_eth_init(bd_t *bis) +{ + int rc = 0; + rc = at91emac_register(bis, (u32) AT91_EMAC_BASE); + return rc; +} +#endif + +/* + * Disk On Chip (NAND) Millenium initialization. + * The NAND lives in the CS2* space + */ +#if defined(CONFIG_CMD_NAND) + +#define MASK_ALE (1 << 22) /* our ALE is AD22 */ +#define MASK_CLE (1 << 21) /* our CLE is AD21 */ + +void cpux9k2_nand_hw_init(void) +{ + unsigned long csr; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE; + + /* Setup Smart Media, fitst enable the address range of CS3 */ + writel(readl(&mc->ebi.csa) | AT91_EBI_CSA_CS3A, &mc->ebi.csa); + + /* RWH = 1 | RWS = 0 | TDF = 1 | NWS = 3 */ + csr = AT91_SMC_CSR_RWHOLD(1) | AT91_SMC_CSR_TDF(1) | + AT91_SMC_CSR_NWS(3) | + AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_8 | + AT91_SMC_CSR_WSEN; + writel(csr, &mc->smc.csr[3]); + + writel(AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE, &pio->pioc.asr); + writel(AT91_PMX_CA_BFCK | AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE, + &pio->pioc.pdr); + + /* Configure PC2 as input (signal Nand READY ) */ + writel(AT91_PMX_CA_BFAVD, &pio->pioc.per); + writel(AT91_PMX_CA_BFAVD, &pio->pioc.odr); /* disable output */ + writel(AT91_PMX_CA_BFCK, &pio->pioc.codr); + + /* PIOC clock enabling */ + writel(1 << AT91_ID_PIOC, &pmc->pcer); +} + +static void board_nand_hwcontrol(struct mtd_info *mtd, + int cmd, unsigned int ctrl) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + struct nand_chip *this = mtd->priv; + ulong IO_ADDR_W = (ulong) this->IO_ADDR_W; + + if (ctrl & NAND_CTRL_CHANGE) { + IO_ADDR_W &= ~(MASK_ALE | MASK_CLE); + + if (ctrl & NAND_CLE) + IO_ADDR_W |= MASK_CLE; + if (ctrl & NAND_ALE) + IO_ADDR_W |= MASK_ALE; + + if ((ctrl & NAND_NCE)) + writel(1, &pio->pioc.codr); + else + writel(1, &pio->pioc.sodr); + + this->IO_ADDR_W = (void *) IO_ADDR_W; + } + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); +} + +static int board_nand_dev_ready(struct mtd_info *mtd) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + return ((readl(&pio->pioc.pdsr) & (1 << 2)) != 0); +} + +int board_nand_init(struct nand_chip *nand) +{ + cpux9k2_nand_hw_init(); + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = board_nand_hwcontrol; + nand->dev_ready = board_nand_dev_ready; + nand->chip_delay = 20; + return 0; +} + +#endif + +#if defined(CONFIG_VIDEO) +/* + * drv_video_init + * FUNCTION: initialize VCxK device + */ + +int drv_video_init(void) +{ +#ifdef CONFIG_SPLASH_SCREEN + unsigned long splash; +#endif + char *s; + unsigned long csr; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE; + + printf("Init Video as "); + s = getenv("displaywidth"); + if (s != NULL) + display_width = simple_strtoul(s, NULL, 10); + else + display_width = 256; + s = getenv("displayheight"); + if (s != NULL) + display_height = simple_strtoul(s, NULL, 10); + else + display_height = 256; + printf("%ld x %ld pixel matrix\n", display_width, display_height); + + /* RWH = 7 | RWS =7 | TDF = 15 | NWS = 0x7F */ + csr = AT91_SMC_CSR_RWHOLD(7) | AT91_SMC_CSR_RWSETUP(7) | + AT91_SMC_CSR_TDF(15) | AT91_SMC_CSR_NWS(127) | + AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_16 | + AT91_SMC_CSR_BAT_16 | AT91_SMC_CSR_WSEN; + writel(csr, &mc->smc.csr[2]); + writel(1 << AT91_ID_PIOB, &pmc->pcer); + + vcxk_init(display_width, display_height); +#ifdef CONFIG_SPLASH_SCREEN + s = getenv("splashimage"); + if (s != NULL) { + splash = simple_strtoul(s, NULL, 16); + printf("use splashimage: %lx\n", splash); + video_display_bitmap(splash, 0, 0); + } +#endif + return 0; +} +#endif + +#ifdef CONFIG_SOFT_I2C + +void i2c_init_board(void) +{ + u32 pin; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + writel(1 << AT91_ID_PIOA, &pmc->pcer); + pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + writel(pin, &pio->pioa.idr); + writel(pin, &pio->pioa.pudr); + writel(pin, &pio->pioa.per); + writel(pin, &pio->pioa.oer); + writel(pin, &pio->pioa.sodr); +} + +#endif + +/*--------------------------------------------------------------------------*/ + +#ifdef CONFIG_STATUS_LED + +void __led_toggle(led_id_t mask) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + if (readl(&pio->piod.odsr) & mask) + writel(mask, &pio->piod.codr); + else + writel(mask, &pio->piod.codr); +} + +void __led_init(led_id_t mask, int state) +{ + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + writel(1 << AT91_ID_PIOD, &pmc->pcer); /* Enable PIOB clock */ + /* Disable peripherals on LEDs */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.per); + /* Enable pins as outputs */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.oer); + /* Turn all LEDs OFF */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.sodr); + + __led_set(mask, state); +} + +void __led_set(led_id_t mask, int state) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + if (state == STATUS_LED_ON) + writel(mask, &pio->piod.codr); + else + writel(mask, &pio->piod.sodr); +} + +#endif + +/*---------------------------------------------------------------------------*/ + +int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 0; + ulong side; + ulong bright; + + switch (argc) { + case 3: + side = simple_strtoul(argv[1], NULL, 10); + bright = simple_strtoul(argv[2], NULL, 10); + if ((side >= 0) && (side <= 3) && + (bright >= 0) && (bright <= 1000)) { + vcxk_setbrightness(side, bright); + rcode = 0; + } else { + printf("parameters out of range\n"); + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } + break; + default: + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + break; + } + return rcode; +} + +/*---------------------------------------------------------------------------*/ + +U_BOOT_CMD( + bright, 3, 0, do_brightness, + "bright - sets the display brightness\n", + " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +/* EOF cpu9k2.c */ |