diff --git a/MAKEALL b/MAKEALL index 2587741ee..f9a0abba2 100755 --- a/MAKEALL +++ b/MAKEALL @@ -205,6 +205,7 @@ LIST_pxa=" \ adsvix cerf250 cradle csb226 \ innokom lubbock pxa255_idp wepep250 \ xaeniax xm250 xsengine zylonite \ + delta " LIST_ixp="ixdp425" diff --git a/Makefile b/Makefile index 63e0a2066..736ffb6a0 100644 --- a/Makefile +++ b/Makefile @@ -1603,6 +1603,9 @@ cerf250_config : unconfig cradle_config : unconfig @./mkconfig $(@:_config=) arm pxa cradle +delta_config : + @./mkconfig $(@:_config=) arm pxa delta + csb226_config : unconfig @./mkconfig $(@:_config=) arm pxa csb226 diff --git a/board/delta/Makefile b/board/delta/Makefile new file mode 100644 index 000000000..d968efbf8 --- /dev/null +++ b/board/delta/Makefile @@ -0,0 +1,48 @@ + +# +# (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 $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := delta.o flash.o +SOBJS := lowlevel_init.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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/delta/config.mk b/board/delta/config.mk new file mode 100644 index 000000000..09b0f7155 --- /dev/null +++ b/board/delta/config.mk @@ -0,0 +1,4 @@ +#TEXT_BASE = 0x0 +#TEXT_BASE = 0xa1700000 +#TEXT_BASE = 0xa3080000 +TEXT_BASE = 0xa3008000 diff --git a/board/delta/delta.c b/board/delta/delta.c new file mode 100644 index 000000000..e618ab96a --- /dev/null +++ b/board/delta/delta.c @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + +/* ------------------------------------------------------------------------- */ + + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* memory and cpu-speed are setup before relocation */ + /* so we do _nothing_ here */ + + /* arch number of Lubbock-Board */ + gd->bd->bi_arch_number = MACH_TYPE_LUBBOCK; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + return 0; +} + +int board_late_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; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; + + return 0; +} diff --git a/board/delta/flash.c b/board/delta/flash.c new file mode 100644 index 000000000..883c1ba3b --- /dev/null +++ b/board/delta/flash.c @@ -0,0 +1,434 @@ +/* + * (C) Copyright 2001 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 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 + */ + +#include +#include + + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* Board support for 1 or 2 flash devices */ +#define FLASH_PORT_WIDTH32 +#undef FLASH_PORT_WIDTH16 + +#ifdef FLASH_PORT_WIDTH16 +#define FLASH_PORT_WIDTH ushort +#define FLASH_PORT_WIDTHV vu_short +#define SWAP(x) __swab16(x) +#else +#define FLASH_PORT_WIDTH ulong +#define FLASH_PORT_WIDTHV vu_long +#define SWAP(x) __swab32(x) +#endif + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define mb() __asm__ __volatile__ ("" : : : "memory") + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (FPW *addr, flash_info_t *info); +static int write_data (flash_info_t *info, ulong dest, FPW data); +static void flash_get_offsets (ulong base, flash_info_t *info); +void inline spin_wheel (void); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ +#if 0 + int i; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + switch (i) { + case 0: + flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); + flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); + break; + case 1: + flash_get_size ((FPW *) 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; +#endif + return 0; +} + +/*----------------------------------------------------------------------- + */ +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_INTEL) { + 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_INTEL: + printf ("INTEL "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F128J3A: + printf ("28F128J3A\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 (FPW *addr, flash_info_t *info) +{ + volatile FPW value; + + /* Write auto select command: read Manufacturer ID */ + addr[0x5555] = (FPW) 0x00AA00AA; + addr[0x2AAA] = (FPW) 0x00550055; + addr[0x5555] = (FPW) 0x00900090; + + mb (); + value = addr[0]; + + switch (value) { + + case (FPW) INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + return (0); /* no or unknown flash */ + } + + mb (); + value = addr[1]; /* device ID */ + + switch (value) { + + case (FPW) INTEL_ID_28F128J3A: + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x02000000; + break; /* => 16 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + if (info->sector_count > CFG_MAX_FLASH_SECT) { + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; + } + + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong type, start, last; + int rcode = 0; + + 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; + } + + type = (info->flash_id & FLASH_VENDMASK); + if ((type != FLASH_MAN_INTEL)) { + 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"); + } + + start = get_timer (0); + last = start; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + FPWV *addr = (FPWV *) (info->start[sect]); + FPW status; + + printf ("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + *addr = (FPW) 0x00500050; /* clear status register */ + *addr = (FPW) 0x00200020; /* erase setup */ + *addr = (FPW) 0x00D000D0; /* erase confirm */ + + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = (FPW) 0x00B000B0; /* suspend erase */ + *addr = (FPW) 0x00FF00FF; /* reset to read mode */ + rcode = 1; + break; + } + } + + *addr = 0x00500050; /* clear status register cmd. */ + *addr = 0x00FF00FF; /* resest to read mode */ + + printf (" done\n"); + } + } + return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - Flash not identified + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp; + FPW data; + int count, i, l, rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) { + return 4; + } +/* get lower word aligned address */ +#ifdef FLASH_PORT_WIDTH16 + wp = (addr & ~1); + port_width = 2; +#else + wp = (addr & ~3); + port_width = 4; +#endif + + /* + * 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 < port_width && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + } + + /* + * handle word aligned part + */ + count = 0; + while (cnt >= port_width) { + data = 0; + for (i = 0; i < port_width; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + cnt -= port_width; + if (count++ > 0x800) { + spin_wheel (); + count = 0; + } + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_data (info, wp, SWAP (data))); +} + +/*----------------------------------------------------------------------- + * Write a word or halfword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_data (flash_info_t *info, ulong dest, FPW data) +{ + FPWV *addr = (FPWV *) dest; + ulong status; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + *addr = (FPW) 0x00400040; /* write setup */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + reset_timer_masked (); + + /* wait while polling the status register */ + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) { + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + return (1); + } + } + + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + + return (0); +} + +void inline spin_wheel (void) +{ + static int p = 0; + static char w[] = "\\/-"; + + printf ("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} diff --git a/board/delta/lowlevel_init.S b/board/delta/lowlevel_init.S new file mode 100644 index 000000000..4d62be5d5 --- /dev/null +++ b/board/delta/lowlevel_init.S @@ -0,0 +1,375 @@ +/* + * Most of this taken from Redboot hal_platform_setup.h with cleanup + * + * NOTE: I haven't clean this up considerably, just enough to get it + * running. See hal_platform_setup.h for the source. See + * board/cradle/lowlevel_init.S for another PXA250 setup that is + * much cleaner. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include + +DRAM_SIZE: .long CFG_DRAM_SIZE + +/* wait for coprocessor write complete */ + .macro CPWAIT reg + mrc p15,0,\reg,c2,c0,0 + mov \reg,\reg + sub pc,pc,#4 + .endm + + +.macro wait time + ldr r2, =OSCR + mov r3, #0 + str r3, [r2] +0: + ldr r3, [r2] + cmp r3, \time + bls 0b +.endm + +/* + * Memory setup + */ + +.globl lowlevel_init +lowlevel_init: + /* Set up GPIO pins first ----------------------------------------- */ + mov r10, lr + + /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ + ldr r0, =0x40E10438 @ GPIO41 FFRXD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E1043C @ GPIO42 FFTXD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10440 @ GPIO43 FFCTS + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10444 @ GPIO 44 FFDCD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10448 @ GPIO 45 FFDSR + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E1044C @ GPIO 46 FFRI + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10450 @ GPIO 47 FFDTR + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10454 @ GPIO 48 + ldr r1, =0x802 + str r1, [r0] + + /* tebrandt - ASCR, clear the RDH bit */ + ldr r0, =ASCR + ldr r1, [r0] + bic r1, r1, #0x80000000 + str r1, [r0] + + /* ---------------------------------------------------------------- */ + /* Enable memory interface */ + /* */ + /* The sequence below is based on the recommended init steps */ + /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ + /* Chapter 10. */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ + /* Step 1: Wait for at least 200 microsedonds to allow internal */ + /* clocks to settle. Only necessary after hard reset... */ + /* FIXME: can be optimized later */ + /* ---------------------------------------------------------------- */ + + /* mk: replaced with wait macro */ +/* 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 */ + wait #300 + +mem_init: + + /* configure the MEMCLKCFG register */ + ldr r1, =MEMCLKCFG + ldr r2, =0x00010001 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set CSADRCFG[0] to data flash SRAM mode */ + ldr r1, =CSADRCFG0 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set CSADRCFG[1] to data flash SRAM mode */ + ldr r1, =CSADRCFG1 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set MSC 0 register for SRAM memory */ + ldr r1, =MSC0 + ldr r2, =0x11191119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set CSADRCFG[2] to data flash SRAM mode */ + ldr r1, =CSADRCFG2 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set CSADRCFG[3] to VLIO mode */ + ldr r1, =CSADRCFG3 + ldr r2, =0x0032080B + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set MSC 1 register for VLIO memory */ + ldr r1, =MSC1 + ldr r2, =0x123C1119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + +#if 0 + /* This does not work in Zylonite. -SC */ + ldr r0, =0x15fffff0 + ldr r1, =0xb10b + str r1, [r0] + str r1, [r0, #4] +#endif + + /* Configure ACCR Register */ + ldr r0, =ACCR @ ACCR + ldr r1, =0x0180b108 + str r1, [r0] + ldr r1, [r0] + + /* Configure MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, =0x403 + str r1, [r0] + ldr r1, [r0] + + /* Perform Resistive Compensation by configuring RCOMP register */ + ldr r1, =RCOMP @ RCOMP + ldr r2, =0x000000ff + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS0 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0x60000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS1 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0xa0000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDREFR */ + ldr r1, =MDREFR @ MDREFR + ldr r2, =0x00000006 + str r2, [r1] + ldr r2, [r1] + + /* Configure EMPI */ + ldr r1, =EMPI @ EMPI + ldr r2, =0x80000000 + str r2, [r1] + ldr r2, [r1] + + /* Hardware DDR Read-Strobe Delay Calibration */ + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] + wait #5 + ldr r1, [r0] + + /* Here we assume the hardware calibration alwasy be successful. -SC */ + /* Set DMCEN bit in MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, [r0] + orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access + str r1, [r0] + + /* scrub/init SDRAM if enabled/present */ +/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */ +/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */ +/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ + ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */ + ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */ + mov r0, #0 /* scrub with 0x0000:0000 */ + mov r1, #0 + mov r2, #0 + mov r3, #0 + mov r4, #0 + mov r5, #0 + mov r6, #0 + mov r7, #0 +10: /* fastScrubLoop */ + subs r9, r9, #32 // 32 bytes/line + stmia r8!, {r0-r7} + beq 15f + b 10b + +15: + /* Mask all interrupts */ + mov r1, #0 + mcr p6, 0, r1, c1, c0, 0 @ ICMR + + /* Disable software and data breakpoints */ + mov r0, #0 + mcr p15,0,r0,c14,c8,0 // ibcr0 + mcr p15,0,r0,c14,c9,0 // ibcr1 + mcr p15,0,r0,c14,c4,0 // dbcon + + /* Enable all debug functionality */ + mov r0,#0x80000000 + mcr p14,0,r0,c10,c0,0 // dcsr + + + + /* We are finished with Intel's memory controller initialisation */ + + + /* ---------------------------------------------------------------- */ + /* End lowlevel_init */ + /* ---------------------------------------------------------------- */ + +endlowlevel_init: + + mov pc, lr + + +/* +@******************************************************************************** +@ DDR calibration +@ +@ This function is used to calibrate DQS delay lines. +@ Monahans supports three ways to do it. One is software +@ calibration. Two is hardware calibration. Three is hybrid +@ calibration. +@ +@ TBD +@ -SC +ddr_calibration: + + @ Case 1: Write the correct delay value once + @ Configure DDR_SCAL Register + ldr r0, =DDR_SCAL @ DDR_SCAL +q ldr r1, =0xaf2f2f2f + str r1, [r0] + ldr r1, [r0] +*/ +/* @ Case 2: Software Calibration + @ Write test pattern to memory + ldr r5, =0x0faf0faf @ Data Pattern + ldr r4, =0xa0000000 @ DDR ram + str r5, [r4] + + mov r1, =0x0 @ delay count + mov r6, =0x0 + mov r7, =0x0 +ddr_loop1: + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop + mov r3, r1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + bne ddr_loop1 + mov r6, r1 +ddr_loop2: + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop + mov r3, r1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + be ddr_loop2 + mov r7, r2 + + add r3, r6, r7 + lsr r3, r3, =0x1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + +end_loop: + + @ Case 3: Hardware Calibratoin + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] + wait #5 + ldr r1, [r0] + mov pc, lr +*/ diff --git a/board/delta/u-boot.lds b/board/delta/u-boot.lds new file mode 100644 index 000000000..f0102391b --- /dev/null +++ b/board/delta/u-boot.lds @@ -0,0 +1,56 @@ +/* + * (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_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/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index a8477cf60..235a36549 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -1163,6 +1163,37 @@ typedef void (*ExcpHndlr) (void) ; #define GPIO4_2 __REG(0x40e10684) #define GPIO5_2 __REG(0x40e10688) +/* MFPR Bit Definitions, see 4-10, Vol. 1 */ +#define PULL_SEL 0x8000 +#define PULLUP_EN 0x4000 +#define PULLDOWN_EN 0x2000 + +#define DRIVE_FAST_1mA 0x0 +#define DRIVE_FAST_2mA 0x400 +#define DRIVE_FAST_3mA 0x800 +#define DRIVE_FAST_4mA 0xC00 +#define DRIVE_SLOW_6mA 0x1000 +#define DRIVE_FAST_6mA 0x1400 +#define DRIVE_SLOW_10mA 0x1800 +#define DRIVE_FAST_10mA 0x1C00 + +#define SLEEP_SEL 0x200 +#define SLEEP_DATA 0x100 +#define SLEEP_OE_N 0x80 +#define EDGE_CLEAR 0x40 +#define EDGE_FALL_EN 0x20 +#define EDGE_RISE_EN 0x10 + +#define AF_SEL_0 0x0 /* Alternate function 0 (reset state) */ +#define AF_SEL_1 0x1 /* Alternate function 1 */ +#define AF_SEL_2 0x2 /* Alternate function 2 */ +#define AF_SEL_3 0x3 /* Alternate function 3 */ +#define AF_SEL_4 0x4 /* Alternate function 4 */ +#define AF_SEL_5 0x5 /* Alternate function 5 */ +#define AF_SEL_6 0x6 /* Alternate function 6 */ +#define AF_SEL_7 0x7 /* Alternate function 7 */ + + #else /* CONFIG_CPU_MONAHANS */ #define GAFR0_L __REG(0x40E00054) /* GPIO Alternate Function Select Register GPIO<15:0> */ diff --git a/include/configs/delta.h b/include/configs/delta.h new file mode 100644 index 000000000..7b923c22e --- /dev/null +++ b/include/configs/delta.h @@ -0,0 +1,249 @@ +/* + * Configuation settings for the Delta board. + * + * 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 + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_CPU_MONAHANS 1 /* Intel Monahan CPU */ +#define CONFIG_DELTA 1 /* Delta board */ + +/* #define CONFIG_LCD 1 */ +#ifdef CONFIG_LCD +#define CONFIG_SHARP_LM8V31 +#endif +/* #define CONFIG_MMC 1 */ +#define BOARD_LATE_INIT 1 + +#undef CONFIG_SKIP_RELOCATE_UBOOT +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* + * Hardware drivers + */ + +#undef TURN_ON_ETHERNET +#ifdef TURN_ON_ETHERNET +# define CONFIG_DRIVER_SMC91111 1 +# define CONFIG_SMC91111_BASE 0x14000300 +# define CONFIG_SMC91111_EXT_PHY +# define CONFIG_SMC_USE_32_BIT +# undef CONFIG_SMC_USE_IOFUNCS /* just for use with the kernel */ +#endif + +/* + * select serial console configuration + */ +#define CONFIG_FFUART 1 + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +/* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT) */ +#ifdef TURN_ON_ETHERNET +# define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PING) +#else +# define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_NET) +#endif + + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#define CONFIG_BOOTDELAY -1 +#define CONFIG_ETHADDR 08:00:3e:26:0a:5b +#define CONFIG_NETMASK 255.255.0.0 +#define CONFIG_IPADDR 192.168.0.21 +#define CONFIG_SERVERIP 192.168.0.250 +#define CONFIG_BOOTCOMMAND "bootm 80000" +#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200" +#define CONFIG_CMDLINE_TAG +#define CONFIG_TIMESTAMP + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* + * Miscellaneous configurable options + */ +#define CFG_HUSH_PARSER 1 +#define CFG_PROMPT_HUSH_PS2 "> " + +#define CFG_LONGHELP /* undef to save memory */ +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT "$ " /* Monitor Command Prompt */ +#else +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#endif +#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_DEVICE_NULLDEV 1 + +#define CFG_MEMTEST_START 0xa0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */ + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR (CFG_DRAM_BASE + 0x8000) /* default load address */ + +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */ + + /* valid baudrates */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* #define CFG_MMC_BASE 0xF0000000 */ + +/* + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/* + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 4 /* we have 2 banks of DRAM */ +#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 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 PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ +#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */ +#define PHYS_FLASH_SIZE 0x02000000 /* 32 MB */ +#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */ +#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */ + +#define CFG_DRAM_BASE 0xa0000000 +#define CFG_DRAM_SIZE 0x04000000 + +#define CFG_FLASH_BASE PHYS_FLASH_1 + +#define FPGA_REGS_BASE_PHYSICAL 0x08000000 + +/* + * GPIO settings + */ +#define CFG_GPSR0_VAL 0x00008000 +#define CFG_GPSR1_VAL 0x00FC0382 +#define CFG_GPSR2_VAL 0x0001FFFF +#define CFG_GPCR0_VAL 0x00000000 +#define CFG_GPCR1_VAL 0x00000000 +#define CFG_GPCR2_VAL 0x00000000 +#define CFG_GPDR0_VAL 0x0060A800 +#define CFG_GPDR1_VAL 0x00FF0382 +#define CFG_GPDR2_VAL 0x0001C000 +#define CFG_GAFR0_L_VAL 0x98400000 +#define CFG_GAFR0_U_VAL 0x00002950 +#define CFG_GAFR1_L_VAL 0x000A9558 +#define CFG_GAFR1_U_VAL 0x0005AAAA +#define CFG_GAFR2_L_VAL 0xA0000000 +#define CFG_GAFR2_U_VAL 0x00000002 + +#define CFG_PSSR_VAL 0x20 + +/* + * Memory settings + */ +#define CFG_MSC0_VAL 0x23F223F2 +#define CFG_MSC1_VAL 0x3FF1A441 +#define CFG_MSC2_VAL 0x7FF97FF1 +#define CFG_MDCNFG_VAL 0x00001AC9 +#define CFG_MDREFR_VAL 0x00018018 +#define CFG_MDMRS_VAL 0x00000000 + +/* + * PCMCIA and CF Interfaces + */ +#define CFG_MECR_VAL 0x00000000 +#define CFG_MCMEM0_VAL 0x00010504 +#define CFG_MCMEM1_VAL 0x00010504 +#define CFG_MCATT0_VAL 0x00010504 +#define CFG_MCATT1_VAL 0x00010504 +#define CFG_MCIO0_VAL 0x00004715 +#define CFG_MCIO1_VAL 0x00004715 + +#define _LED 0x08000010 +#define LED_BLANK 0x08000040 + +/* + * FLASH and environment organization + */ +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */ + +/* NOTE: many default partitioning schemes assume the kernel starts at the + * second sector, not an environment. You have been warned! + */ +#define CFG_MONITOR_LEN PHYS_FLASH_SECT_SIZE + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE) +#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE +#define CFG_ENV_SIZE (PHYS_FLASH_SECT_SIZE / 16) + + +/* + * FPGA Offsets + */ +#define WHOAMI_OFFSET 0x00 +#define HEXLED_OFFSET 0x10 +#define BLANKLED_OFFSET 0x40 +#define DISCRETELED_OFFSET 0x40 +#define CNFG_SWITCHES_OFFSET 0x50 +#define USER_SWITCHES_OFFSET 0x60 +#define MISC_WR_OFFSET 0x80 +#define MISC_RD_OFFSET 0x90 +#define INT_MASK_OFFSET 0xC0 +#define INT_CLEAR_OFFSET 0xD0 +#define GP_OFFSET 0x100 + +#endif /* __CONFIG_H */