diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | CREDITS | 4 | ||||
| -rw-r--r-- | MAKEALL | 2 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/omap1610inn/omap1610innovator.c | 4 | ||||
| -rw-r--r-- | board/xsengine/Makefile | 47 | ||||
| -rw-r--r-- | board/xsengine/config.mk | 1 | ||||
| -rw-r--r-- | board/xsengine/flash.c | 565 | ||||
| -rw-r--r-- | board/xsengine/memsetup.S | 221 | ||||
| -rw-r--r-- | board/xsengine/u-boot.lds | 55 | ||||
| -rw-r--r-- | board/xsengine/xsengine.c | 65 | ||||
| -rw-r--r-- | drivers/smc91111.h | 26 | ||||
| -rw-r--r-- | include/configs/omap1610h2.h | 2 | ||||
| -rw-r--r-- | include/configs/omap1610inn.h | 2 | ||||
| -rw-r--r-- | include/configs/xsengine.h | 183 |
15 files changed, 1177 insertions, 6 deletions
@@ -2,6 +2,9 @@ Changes since U-Boot 1.1.1: ====================================================================== +* Patch by Kurt Stremerch, 28 May 2004: + Add support for Exys XSEngine board + * Patch by Martin Krause, 27 May 2004: Fix a MPC5xxx I2C timing issue in i2c_probe(). @@ -319,6 +319,10 @@ N: Robert Schwebel E: r.schwebel@pengutronix.de D: Support for csb226, logodl and innokom boards (PXA2xx) +N: Kurt Stremerch +E: kurt@exys.be +D: Support for Exys XSEngine board + N: Rob Taylor E: robt@flyingpig.com D: Port to MBX860T and Sandpoint8240 @@ -149,7 +149,7 @@ LIST_ARM9=" \ ## Xscale Systems ######################################################################### -LIST_pxa="cradle csb226 innokom lubbock wepep250 xm250" +LIST_pxa="cradle csb226 innokom lubbock wepep250 xm250 xsengine" LIST_ixp="ixdp425" @@ -1166,6 +1166,9 @@ wepep250_config : unconfig xm250_config : unconfig @./mkconfig $(@:_config=) arm pxa xm250 +xsengine_config : unconfig + @./mkconfig $(@:_config=) arm pxa xsengine + #======================================================================== # i386 #======================================================================== diff --git a/board/omap1610inn/omap1610innovator.c b/board/omap1610inn/omap1610innovator.c index ab1dabe..2072dce 100644 --- a/board/omap1610inn/omap1610innovator.c +++ b/board/omap1610inn/omap1610innovator.c @@ -102,8 +102,8 @@ void flash__init (void) #ifdef CONFIG_CS_AUTOBOOT /* Check swapping of CS0 and CS3, set flash base accordingly */ - omap_flash_base = ((*((u32 *)OMAP_EMIFS_CONFIG_REG) & 0x02) == 0) ? - PHYS_FLASH_1_BM0 : PHYS_FLASH_1_BM1; + omap_flash_base = ((*((u32 *)OMAP_EMIFS_CONFIG_REG) & 0x02) == 0) ? + PHYS_FLASH_1_BM0 : PHYS_FLASH_1_BM1; #endif regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG); /* Turn off write protection for flash devices. */ diff --git a/board/xsengine/Makefile b/board/xsengine/Makefile new file mode 100644 index 0000000..df931e3 --- /dev/null +++ b/board/xsengine/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2000-2004 +# 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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := xsengine.o flash.o +SOBJS := memsetup.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M --disassemble-all $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/xsengine/config.mk b/board/xsengine/config.mk new file mode 100644 index 0000000..148c519 --- /dev/null +++ b/board/xsengine/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0xA3F80000 diff --git a/board/xsengine/flash.c b/board/xsengine/flash.c new file mode 100644 index 0000000..ac14bfe --- /dev/null +++ b/board/xsengine/flash.c @@ -0,0 +1,565 @@ +/* + * (C) Copyright 2002 + * Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de> + * + * (C) Copyright 2000-2004 + * 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 <linux/byteorder/swab.h> + +#if defined CFG_JFFS_CUSTOM_PART +#include <jffs2/jffs2.h> +#endif + +#define SWAP(x) __swab32(x) + +flash_info_t flash_info[CFG_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); + +#if defined CFG_JFFS_CUSTOM_PART + +/* + * jffs2_part_info - get information about a JFFS2 partition + * + * @part_num: number of the partition you want to get info about + * @return: struct part_info* in case of success, 0 if failure + */ + +static struct part_info part; +static int current_part = -1; + +struct part_info* jffs2_part_info(int part_num) { + void *jffs2_priv_saved = part.jffs2_priv; + + printf("jffs2_part_info: part_num=%i\n",part_num); + + if (current_part == part_num) + return ∂ + + /* u-boot partition */ + if(part_num==0){ + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00000000; + part.size=256*1024; + + /* Mark the struct as ready */ + current_part = part_num; + + printf("part.offset = 0x%08x\n",(unsigned int)part.offset); + printf("part.size = 0x%08x\n",(unsigned int)part.size); + } + + /* primary OS+firmware partition */ + if(part_num==1){ + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00040000; + part.size=1024*1024; + + /* Mark the struct as ready */ + current_part = part_num; + + printf("part.offset = 0x%08x\n",(unsigned int)part.offset); + printf("part.size = 0x%08x\n",(unsigned int)part.size); + } + + /* secondary OS+firmware partition */ + if(part_num==2){ + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00140000; + part.size=8*1024*1024; + + /* Mark the struct as ready */ + current_part = part_num; + + printf("part.offset = 0x%08x\n",(unsigned int)part.offset); + printf("part.size = 0x%08x\n",(unsigned int)part.size); + } + + if (current_part == part_num) { + part.usr_priv = ¤t_part; + part.jffs2_priv = jffs2_priv_saved; + return ∂ + } + + printf("jffs2_part_info: end of partition table\n"); + return 0; +} +#endif + + +/*----------------------------------------------------------------------- + */ +unsigned long flash_init (void) +{ + int i; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + switch (i) { + case 0: + flash_get_size ((long *) PHYS_FLASH_1, &flash_info[i]); + flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); + break; + case 1: + flash_get_size ((long *) PHYS_FLASH_2, &flash_info[i]); + flash_get_offsets (PHYS_FLASH_2, &flash_info[i]); + break; + default: + panic ("configured too many flash banks!\n"); + break; + } + size += flash_info[i].size; + } + + /* Protect monitor and environment sectors */ + flash_protect ( FLAG_PROTECT_SET,CFG_FLASH_BASE,CFG_FLASH_BASE + monitor_flash_len - 1,&flash_info[0] ); + flash_protect ( FLAG_PROTECT_SET,CFG_ENV_ADDR,CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] ); + + return size; +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) return; + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); + info->protect[i] = 0; + } + } +} + +/*----------------------------------------------------------------------- + */ +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) { + case FLASH_AMLV128U: printf ("AM29LV128ML (128Mbit, uniform sector size)\n"); + break; + case FLASH_AMLV320U: printf ("AM29LV320ML (32Mbit, uniform sector size)\n"); + break; + case FLASH_AMLV640U: printf ("AM29LV640ML (64Mbit, uniform sector size)\n"); + break; + case FLASH_AMLV320B: printf ("AM29LV320MB (32Mbit, bottom boot sect)\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; + ulong value; + ulong base = (ulong)addr; + + /* Write auto select command: read Manufacturer ID */ + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00900090; + + value = addr[0]; + + debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value); + + switch (value) { + case AMD_MANUFACT: + debug ("Manufacturer: AMD\n"); + info->flash_id = FLASH_MAN_AMD; + break; + case FUJ_MANUFACT: + debug ("Manufacturer: FUJITSU\n"); + info->flash_id = FLASH_MAN_FUJ; + break; + default: + debug ("Manufacturer: *** unknown ***\n"); + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr[1]; /* device ID */ + + debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value); + + switch (value) { + + case AMD_ID_MIRROR: + debug ("Mirror Bit flash: addr[14] = %08lX addr[15] = %08lX\n", + addr[14], addr[15]); + switch(addr[14]) { + case AMD_ID_LV128U_2: + if (addr[15] != AMD_ID_LV128U_3) { + debug ("Chip: AMLV128U -> unknown\n"); + info->flash_id = FLASH_UNKNOWN; + } else { + debug ("Chip: AMLV128U\n"); + info->flash_id += FLASH_AMLV128U; + info->sector_count = 256; + info->size = 0x02000000; + } + break; /* => 32 MB */ + case AMD_ID_LV640U_2: + if (addr[15] != AMD_ID_LV640U_3) { + debug ("Chip: AMLV640U -> unknown\n"); + info->flash_id = FLASH_UNKNOWN; + } else { + debug ("Chip: AMLV640U\n"); + info->flash_id += FLASH_AMLV640U; + info->sector_count = 128; + info->size = 0x01000000; + } + break; /* => 16 MB */ + case AMD_ID_LV320B_2: + if (addr[15] != AMD_ID_LV320B_3) { + debug ("Chip: AMLV320B -> unknown\n"); + info->flash_id = FLASH_UNKNOWN; + } else { + debug ("Chip: AMLV320B\n"); + info->flash_id += FLASH_AMLV320B; + info->sector_count = 71; + info->size = 0x00800000; + } + break; /* => 8 MB */ + default: + debug ("Chip: *** unknown ***\n"); + info->flash_id = FLASH_UNKNOWN; + break; + } + break; + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + } + + /* set up sector start address table */ + switch (value) { + case AMD_ID_MIRROR: + switch (info->flash_id & FLASH_TYPEMASK) { + /* only known types here - no default */ + case FLASH_AMLV128U: + case FLASH_AMLV640U: + case FLASH_AMLV320U: + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base; + base += 0x20000; + } + break; + case FLASH_AMLV320B: + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base; + /* + * The first 8 sectors are 8 kB, + * all the other ones are 64 kB + */ + base += (i < 8) + ? 2 * ( 8 << 10) + : 2 * (64 << 10); + } + break; + } + break; + + default: + return (0); + break; + } + +#if 0 + /* 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; + } +#endif + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr = (volatile unsigned long *)info->start[0]; + + *addr = 0x00F000F0; /* reset bank */ + } + + 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; + + debug ("flash_erase: first: %d last: %d\n", s_first, s_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 %08lx - aborted\n", + info->flash_id); + 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(); + + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00800080; + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + + /* 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]); + addr[0] = 0x00300030; + 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]); + while ((addr[0] & 0x00800080) != 0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 100000) { /* every second */ + putc ('.'); + last = now; + } + } + +DONE: + /* reset to read mode */ + addr = (volatile unsigned long *)info->start[0]; + addr[0] = 0x00F000F0; /* reset bank */ + + 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, SWAP(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, SWAP(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, SWAP(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; + ulong rev; + int flag; + int i; + + /* 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(); + + addr[0x0555] = 0x00AA00AA; + addr[0x02AA] = 0x00550055; + addr[0x0555] = 0x00A000A0; + + *((vu_long *)dest) = data; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + return (0); +} diff --git a/board/xsengine/memsetup.S b/board/xsengine/memsetup.S new file mode 100644 index 0000000..b947118 --- /dev/null +++ b/board/xsengine/memsetup.S @@ -0,0 +1,221 @@ +#include <config.h> +#include <version.h> +#include <asm/arch/pxa-regs.h> + +DRAM_SIZE: .long CFG_DRAM_SIZE + +.globl memsetup +memsetup: + + mov r10, lr + +/* ---- GPIO INITIALISATION ---- */ +/* Set up GPIO pins first (3 groups [31:0] [63:32] [80:64]) */ + + /* General purpose set registers */ + ldr r0, =GPSR0 + ldr r1, =CFG_GPSR0_VAL + str r1, [r0] + ldr r0, =GPSR1 + ldr r1, =CFG_GPSR1_VAL + str r1, [r0] + ldr r0, =GPSR2 + ldr r1, =CFG_GPSR2_VAL + str r1, [r0] + + /* General purpose clear registers */ + ldr r0, =GPCR0 + ldr r1, =CFG_GPCR0_VAL + str r1, [r0] + ldr r0, =GPCR1 + ldr r1, =CFG_GPCR1_VAL + str r1, [r0] + ldr r0, =GPCR2 + ldr r1, =CFG_GPCR2_VAL + str r1, [r0] + + /* General rising edge registers */ + ldr r0, =GRER0 + ldr r1, =CFG_GRER0_VAL + str r1, [r0] + ldr r0, =GRER1 + ldr r1, =CFG_GRER1_VAL + str r1, [r0] + ldr r0, =GRER2 + ldr r1, =CFG_GRER2_VAL + str r1, [r0] + + /* General falling edge registers */ + ldr r0, =GFER0 + ldr r1, =CFG_GFER0_VAL + str r1, [r0] + ldr r0, =GFER1 + ldr r1, =CFG_GFER1_VAL + str r1, [r0] + ldr r0, =GFER2 + ldr r1, =CFG_GFER2_VAL + str r1, [r0] + + /* General edge detect registers */ + ldr r0, =GPDR0 + ldr r1, =CFG_GPDR0_VAL + str r1, [r0] + ldr r0, =GPDR1 + ldr r1, =CFG_GPDR1_VAL + str r1, [r0] + ldr r0, =GPDR2 + ldr r1, =CFG_GPDR2_VAL + str r1, [r0] + + /* General alternate function registers */ + ldr r0, =GAFR0_L /* [0:15] */ + ldr r1, =CFG_GAFR0_L_VAL + str r1, [r0] + ldr r0, =GAFR0_U /* [31:16] */ + ldr r1, =CFG_GAFR0_U_VAL + str r1, [r0] + ldr r0, =GAFR1_L /* [47:32] */ + ldr r1, =CFG_GAFR1_L_VAL + str r1, [r0] + ldr r0, =GAFR1_U /* [63:48] */ + ldr r1, =CFG_GAFR1_U_VAL + str r1, [r0] + ldr r0, =GAFR2_L /* [79:64] */ + ldr r1, =CFG_GAFR2_L_VAL + str r1, [r0] + ldr r0, =GAFR2_U /* [80] */ + ldr r1, =CFG_GAFR2_U_VAL + str r1, [r0] + + /* General purpose direction registers */ + ldr r0, =GPDR0 + ldr r1, =CFG_GPDR0_VAL + str r1, [r0] + ldr r0, =GPDR1 + ldr r1, =CFG_GPDR1_VAL + str r1, [r0] + ldr r0, =GPDR2 + ldr r1, =CFG_GPDR2_VAL + str r1, [r0] + + /* Power manager sleep status */ + ldr r0, =PSSR + ldr r1, =CFG_PSSR_VAL + str r1, [r0] + +/* ---- MEMORY INITIALISATION ---- */ +/* Initialize Memory Controller, see PXA250 Operating System Developer's Guide */ +/* pause for 200 uSecs- allow internal clocks to settle */ + ldr r3, =OSCR /* reset the OS Timer Count to zero */ + mov r2, #0 + str r2, [r3] + ldr r4, =0x300 /* really 0x2E1 is about 200usec, so 0x300 should be plenty */ +1: + ldr r2, [r3] + cmp r4, r2 + bgt 1b + +mem_init: +/* get memory controller base address */ + ldr r1, =MEMC_BASE + +/* ---- FLASH INITIALISATION ---- */ +/* Write MSC0 and read back to ensure data change is accepted by cpu */ + ldr r2, =CFG_MSC0_VAL + str r2, [r1, #MSC0_OFFSET] + ldr r2, [r1, #MSC0_OFFSET] + +/* ---- SDRAM INITIALISATION ---- */ +/* get the MDREFR settings */ + ldr r2, =CFG_MDREFR_VAL + str r2, [r1, #MDREFR_OFFSET] + +/* fetch platform value of MDCNFG */ + ldr r2, =CFG_MDCNFG_VAL + +/* disable all sdram banks */ + bic r2, r2, #(MDCNFG_DE0 | MDCNFG_DE1) + bic r2, r2, #(MDCNFG_DE2 | MDCNFG_DE3) + +/* write initial value of MDCNFG, w/o enabling sdram banks */ + str r2, [r1, #MDCNFG_OFFSET] + +/* pause for 200 uSecs */ + ldr r3, =OSCR /* reset the OS Timer Count to zero */ + mov r2, #0 + str r2, [r3] + ldr r4, =0x300 /* about 200 usec */ +1: + ldr r2, [r3] + cmp r4, r2 + bgt 1b + +/* Access memory *not yet enabled* for CBR refresh cycles (8) */ +/* CBR is generated for all banks */ + + ldr r2, =CFG_DRAM_BASE + str r2, [r2] + str r2, [r2] + str r2, [r2] + str r2, [r2] + str r2, [r2] + str r2, [r2] + str r2, [r2] + str r2, [r2] + +/* get memory controller base address */ + ldr r2, =MEMC_BASE + +/* Enable SDRAM bank 0 in MDCNFG register */ + ldr r2, [r1, #MDCNFG_OFFSET] + orr r2, r2, #MDCNFG_DE0 + str r2, [r1, #MDCNFG_OFFSET] + +/* write MDMRS to trigger an MSR command to all enabled SDRAM banks */ + ldr r2, =CFG_MDMRS_VAL + str r2, [r1, #MDMRS_OFFSET] + +/* ---- INTERRUPT INITIALISATION ---- */ +/* Disable (mask) all interrupts at the interrupt controller */ +/* clear the interrupt level register (use IRQ, not FIQ) */ + mov r1, #0 + ldr r2, =ICLR + str r1, [r2] + +/* Set interrupt mask register */ + ldr r1, =CFG_ICMR_VAL + ldr r2, =ICMR + str r1, [r2] + +/* ---- CLOCK INITIALISATION ---- */ +/* Disable the peripheral clocks, and set the core clock */ + +/* Turn Off ALL on-chip peripheral clocks for re-configuration */ + ldr r1, =CKEN + mov r2, #0 + str r2, [r1] + +/* set core clocks */ + ldr r2, =CFG_CCCR_VAL + ldr r1, =CCCR + str r2, [r1] + +#ifdef ENABLE32KHZ +/* enable the 32Khz oscillator for RTC and PowerManager */ + ldr r1, =OSCC + mov r2, #OSCC_OON + str r2, [r1] + +/* NOTE: spin here until OSCC.OOK get set, meaning the PLL has settled. */ +60: + ldr r2, [r1] + ands r2, r2, #1 + beq 60b +#endif + +/* Turn on needed clocks */ + ldr r1, =CKEN + ldr r2, =CFG_CKEN_VAL + str r2, [r1] + + mov pc, r10 diff --git a/board/xsengine/u-boot.lds b/board/xsengine/u-boot.lds new file mode 100644 index 0000000..e0b0514 --- /dev/null +++ b/board/xsengine/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2000-2004 + * 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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/pxa/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} diff --git a/board/xsengine/xsengine.c b/board/xsengine/xsengine.c new file mode 100644 index 0000000..c33b6f0 --- /dev/null +++ b/board/xsengine/xsengine.c @@ -0,0 +1,65 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* memory and cpu-speed are setup before relocation */ + /* so we do _nothing_ here */ + + /* arch number */ + gd->bd->bi_arch_number = 532; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + return 0; +} + +int board_post_init (void) +{ + setenv ("stdout", "serial"); + setenv ("stderr", "serial"); + return 0; +} + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} diff --git a/drivers/smc91111.h b/drivers/smc91111.h index b373452..0b6dfeb 100644 --- a/drivers/smc91111.h +++ b/drivers/smc91111.h @@ -76,6 +76,16 @@ typedef unsigned long int dword; #ifdef CONFIG_PXA250 +#ifdef CONFIG_XSENGINE +#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1)))) +#define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r<<1)))) +#define SMC_inb(p) ({ \ + unsigned int __p = (unsigned int)(SMC_BASE_ADDRESS + (p<<1)); \ + unsigned int __v = *(volatile unsigned short *)((__p) & ~2); \ + if (__p & 2) __v >>= 8; \ + else __v &= 0xff; \ + __v; }) +#else #define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r)))) #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) #define SMC_inb(p) ({ \ @@ -84,9 +94,16 @@ typedef unsigned long int dword; if (__p & 1) __v >>= 8; \ else __v &= 0xff; \ __v; }) +#endif +#ifdef CONFIG_XSENGINE +#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))) = d) +#define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r<<1))) = d) +#else #define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))) = d) #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) +#endif + #define SMC_outb(d,r) ({ word __d = (byte)(d); \ word __w = SMC_inw((r)&~1); \ __w &= ((r)&1) ? 0x00FF : 0xFF00; \ @@ -191,7 +208,11 @@ typedef unsigned long int dword; #if defined(CONFIG_SMC_USE_32_BIT) +#ifdef CONFIG_XSENGINE +#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1)))) +#else #define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r)))) +#endif #define SMC_insl(r,b,l) ({ int __i ; \ dword *__b2; \ @@ -202,8 +223,11 @@ typedef unsigned long int dword; }; \ }) +#ifdef CONFIG_XSENGINE +#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))) = d) +#else #define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))) = d) - +#endif #define SMC_outsl(r,b,l) ({ int __i; \ dword *__b2; \ __b2 = (dword *) b; \ diff --git a/include/configs/omap1610h2.h b/include/configs/omap1610h2.h index b2b0fe7..94af0b2 100644 --- a/include/configs/omap1610h2.h +++ b/include/configs/omap1610h2.h @@ -150,7 +150,7 @@ #define PHYS_FLASH_1_BM0 0x0C000000 /* Flash Bank #1 if booting from RAM */ #ifdef CONFIG_CS_AUTOBOOT /* Determine CS assignment in runtime */ - + #ifndef __ASSEMBLY__ extern unsigned long omap_flash_base; /* set in flash__init */ #endif diff --git a/include/configs/omap1610inn.h b/include/configs/omap1610inn.h index cbf828c..94fbac6 100644 --- a/include/configs/omap1610inn.h +++ b/include/configs/omap1610inn.h @@ -155,7 +155,7 @@ #define PHYS_FLASH_1_BM0 0x0C000000 /* Flash Bank #1 if booting from RAM */ #ifdef CONFIG_CS_AUTOBOOT /* Determine CS assignment in runtime */ - + #ifndef __ASSEMBLY__ extern unsigned long omap_flash_base; /* set in flash__init */ #endif diff --git a/include/configs/xsengine.h b/include/configs/xsengine.h new file mode 100644 index 0000000..87d2c94 --- /dev/null +++ b/include/configs/xsengine.h @@ -0,0 +1,183 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * If we are developing, we might want to start armboot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ +#define CONFIG_INIT_CRITICAL /* undef for developing */ + +/* High Level Configuration Options */ +#define CONFIG_PXA250 1 /* This is an PXA250 CPU */ +#define CONFIG_XSENGINE 1 +#define CONFIG_MMC 1 +#define BOARD_POST_INIT 1 +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ + +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */ + +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ +#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */ +#define PHYS_SDRAM_2 0xa4000000 /* SDRAM Bank #2 */ +#define PHYS_SDRAM_2_SIZE 0x00000000 /* 0 MB */ +#define PHYS_SDRAM_3 0xa8000000 /* SDRAM Bank #3 */ +#define PHYS_SDRAM_3_SIZE 0x00000000 /* 0 MB */ +#define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */ +#define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 MB */ +#define CFG_DRAM_BASE 0xa0000000 +#define CFG_DRAM_SIZE 0x04000000 + +/* FLASH organization */ +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ +#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_2 0x00000000 /* Flash Bank #2 */ +#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 127 KB sectors */ +#define CFG_FLASH_BASE PHYS_FLASH_1 +#define CFG_JFFS2_NUM_BANKS 1 +#define CFG_JFFS2_FIRST_BANK 0 +#define CFG_JFFS_CUSTOM_PART 1 + +/* Environment settings */ +#define CONFIG_ENV_OVERWRITE +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000) /* Addr of Environment Sector (after monitor)*/ +#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE /* Size of the Environment Sector */ +#define CFG_ENV_SIZE 0x4000 /* 16kB Total Size of Environment Sector */ + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (75*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (50*CFG_HZ) /* Timeout for Flash Write */ + +/* Size of malloc() pool */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 256*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* Hardware drivers */ +#define CONFIG_DRIVER_SMC91111 +#define CONFIG_SMC91111_BASE 0x04000300 +#define CONFIG_SMC_USE_32_BIT 1 + +/* select serial console configuration */ +#define CONFIG_FFUART 1 + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_PING | CFG_CMD_JFFS2) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_ETHADDR FF:FF:FF:FF:FF:FF +#define CONFIG_NETMASK 255.255.255.0 +#define CONFIG_IPADDR 192.168.1.50 +#define CONFIG_SERVERIP 192.168.1.2 +#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=jffs2 console=ttyS1,115200" +#define CONFIG_CMDLINE_TAG + +/* Miscellaneous configurable options */ +#define CFG_HUSH_PARSER 1 +#define CFG_PROMPT_HUSH_PS2 "> " +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "XS-Engine u-boot> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ +#define CFG_MEMTEST_START 0xA0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0xA0800000 /* 4 ... 8 MB in DRAM */ +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* valid baudrates */ +#define CFG_MMC_BASE 0xF0000000 +#define CFG_LOAD_ADDR 0xA0000000 /* load kernel to this address */ + +/* Stack sizes - The stack sizes are set up in start.S using the settings below */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/* GP set register */ +#define CFG_GPSR0_VAL 0x0000A000 /* CS1, PROG(FPGA) */ +#define CFG_GPSR1_VAL 0x00020000 /* nPWE */ +#define CFG_GPSR2_VAL 0x0000C000 /* CS2, CS3 */ + +/* GP clear register */ +#define CFG_GPCR0_VAL 0x00000000 +#define CFG_GPCR1_VAL 0x00000000 +#define CFG_GPCR2_VAL 0x00000000 + +/* GP direction register */ +#define CFG_GPDR0_VAL 0x0000A000 /* CS1, PROG(FPGA) */ +#define CFG_GPDR1_VAL 0x00022A80 /* nPWE, FFUART + BTUART pins */ +#define CFG_GPDR2_VAL 0x0000C000 /* CS2, CS3 */ + +/* GP rising edge detect register */ +#define CFG_GRER0_VAL 0x00000000 +#define CFG_GRER1_VAL 0x00000000 +#define CFG_GRER2_VAL 0x00000000 + +/* GP falling edge detect register */ +#define CFG_GFER0_VAL 0x00000000 +#define CFG_GFER1_VAL 0x00000000 +#define CFG_GFER2_VAL 0x00000000 + +/* GP alternate function register */ +#define CFG_GAFR0_L_VAL 0x80000000 /* CS1 */ +#define CFG_GAFR0_U_VAL 0x00000010 /* RDY */ +#define CFG_GAFR1_L_VAL 0x09988050 /* FFUART + BTUART pins */ +#define CFG_GAFR1_U_VAL 0x00000008 /* nPWE */ +#define CFG_GAFR2_L_VAL 0xA0000000 /* CS2, CS3 */ +#define CFG_GAFR2_U_VAL 0x00000000 + +#define CFG_PSSR_VAL 0x00000020 /* Power manager sleep status */ +#define CFG_CCCR_VAL 0x00000161 /* 100 MHz memory, 400 MHz CPU */ +#define CFG_CKEN_VAL 0x000000C0 /* BTUART and FFUART enabled */ +#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */ + +/* Memory settings */ +#define CFG_MSC0_VAL 0x25F425F0 + +/* MDCNFG: SDRAM Configuration Register */ +#define CFG_MDCNFG_VAL 0x000009C9 + +/* MDREFR: SDRAM Refresh Control Register */ +#define CFG_MDREFR_VAL 0x00018018 + +/* MDMRS: Mode Register Set Configuration Register */ +#define CFG_MDMRS_VAL 0x00220022 + +#endif /* __CONFIG_H */ |