diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | MAKEALL | 6 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/xaeniax/Makefile | 47 | ||||
| -rw-r--r-- | board/xaeniax/config.mk | 2 | ||||
| -rw-r--r-- | board/xaeniax/flash.c | 431 | ||||
| -rw-r--r-- | board/xaeniax/memsetup.S | 424 | ||||
| -rw-r--r-- | board/xaeniax/u-boot.lds | 55 | ||||
| -rw-r--r-- | board/xaeniax/xaeniax.c | 78 | ||||
| -rw-r--r-- | include/configs/xaeniax.h | 555 |
10 files changed, 1603 insertions, 1 deletions
@@ -2,6 +2,9 @@ Changes since U-Boot 1.1.1: ====================================================================== +* Patch by Vincent Dubey, 24 Sep 2004: + Add support for xaeniax board + * Add comment about non-GPL character of standalone applications to COPYING file @@ -149,7 +149,11 @@ LIST_ARM9=" \ ## Xscale Systems ######################################################################### -LIST_pxa="cerf250 cradle csb226 innokom lubbock wepep250 xm250 xsengine" +LIST_pxa=" \ + cerf250 cradle csb226 innokom \ + lubbock wepep250 xaeniax xm250 \ + xsengine \ +" LIST_ixp="ixdp425" @@ -1316,6 +1316,9 @@ logodl_config : unconfig wepep250_config : unconfig @./mkconfig $(@:_config=) arm pxa wepep250 +xaeniax_config : unconfig + @./mkconfig $(@:_config=) arm pxa xaeniax + xm250_config : unconfig @./mkconfig $(@:_config=) arm pxa xm250 diff --git a/board/xaeniax/Makefile b/board/xaeniax/Makefile new file mode 100644 index 0000000..da5a5ba --- /dev/null +++ b/board/xaeniax/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2000, 2002 +# 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 := xaeniax.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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/xaeniax/config.mk b/board/xaeniax/config.mk new file mode 100644 index 0000000..45079a0 --- /dev/null +++ b/board/xaeniax/config.mk @@ -0,0 +1,2 @@ +TEXT_BASE = 0xa3FB0000 +#TEXT_BASE = 0 diff --git a/board/xaeniax/flash.c b/board/xaeniax/flash.c new file mode 100644 index 0000000..9874a14 --- /dev/null +++ b/board/xaeniax/flash.c @@ -0,0 +1,431 @@ +/* + * (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 <common.h> +#include <linux/byteorder/swab.h> + + +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) +{ + 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; +} + +/*----------------------------------------------------------------------- + */ +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/xaeniax/memsetup.S b/board/xaeniax/memsetup.S new file mode 100644 index 0000000..5c43b85 --- /dev/null +++ b/board/xaeniax/memsetup.S @@ -0,0 +1,424 @@ + /* + * 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/memsetup.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 <config.h> +#include <version.h> +#include <asm/arch/pxa-regs.h> + +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 + + +.globl memsetup +memsetup: + + mov r10, lr + + /* Set up GPIO pins first ----------------------------------------- */ + + 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] + + 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] + + 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] + + ldr r0,=GAFR0_L + ldr r1,=CFG_GAFR0_L_VAL + str r1,[r0] + + ldr r0,=GAFR0_U + ldr r1,=CFG_GAFR0_U_VAL + str r1,[r0] + + ldr r0,=GAFR1_L + ldr r1,=CFG_GAFR1_L_VAL + str r1,[r0] + + ldr r0,=GAFR1_U + ldr r1,=CFG_GAFR1_U_VAL + str r1,[r0] + + ldr r0,=GAFR2_L + ldr r1,=CFG_GAFR2_L_VAL + str r1,[r0] + + ldr r0,=GAFR2_U + ldr r1,=CFG_GAFR2_U_VAL + str r1,[r0] + + ldr r0,=PSSR /* enable GPIO pins */ + ldr r1,=CFG_PSSR_VAL + 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 */ + /* ---------------------------------------------------------------- */ + + 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: + + ldr r1,=MEMC_BASE /* get memory controller base addr. */ + + /* ---------------------------------------------------------------- */ + /* Step 2a: Initialize Asynchronous static memory controller */ + /* ---------------------------------------------------------------- */ + + /* MSC registers: timing, bus width, mem type */ + + /* MSC0: nCS(0,1) */ + ldr r2,=CFG_MSC0_VAL + str r2,[r1, #MSC0_OFFSET] + ldr r2,[r1, #MSC0_OFFSET] /* read back to ensure data latches */ + + /* MSC1: nCS(2,3) */ + ldr r2,=CFG_MSC1_VAL + str r2,[r1, #MSC1_OFFSET] + ldr r2,[r1, #MSC1_OFFSET] + + /* MSC2: nCS(4,5) */ + ldr r2,=CFG_MSC2_VAL + str r2,[r1, #MSC2_OFFSET] + ldr r2,[r1, #MSC2_OFFSET] + + /* ---------------------------------------------------------------- */ + /* Step 2b: Initialize Card Interface */ + /* ---------------------------------------------------------------- */ + + /* MECR: Memory Expansion Card Register */ + ldr r2,=CFG_MECR_VAL + str r2,[r1, #MECR_OFFSET] + ldr r2,[r1, #MECR_OFFSET] + + /* MCMEM0: Card Interface slot 0 timing */ + ldr r2,=CFG_MCMEM0_VAL + str r2,[r1, #MCMEM0_OFFSET] + ldr r2,[r1, #MCMEM0_OFFSET] + + /* MCMEM1: Card Interface slot 1 timing */ + ldr r2,=CFG_MCMEM1_VAL + str r2,[r1, #MCMEM1_OFFSET] + ldr r2,[r1, #MCMEM1_OFFSET] + + /* MCATT0: Card Interface Attribute Space Timing, slot 0 */ + ldr r2,=CFG_MCATT0_VAL + str r2,[r1, #MCATT0_OFFSET] + ldr r2,[r1, #MCATT0_OFFSET] + + /* MCATT1: Card Interface Attribute Space Timing, slot 1 */ + ldr r2,=CFG_MCATT1_VAL + str r2,[r1, #MCATT1_OFFSET] + ldr r2,[r1, #MCATT1_OFFSET] + + /* MCIO0: Card Interface I/O Space Timing, slot 0 */ + ldr r2,=CFG_MCIO0_VAL + str r2,[r1, #MCIO0_OFFSET] + ldr r2,[r1, #MCIO0_OFFSET] + + /* MCIO1: Card Interface I/O Space Timing, slot 1 */ + ldr r2,=CFG_MCIO1_VAL + str r2,[r1, #MCIO1_OFFSET] + ldr r2,[r1, #MCIO1_OFFSET] + + /* ---------------------------------------------------------------- */ + /* Step 2c: Write FLYCNFG FIXME: what's that??? */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ + /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */ + /* ---------------------------------------------------------------- */ + + @ get the mdrefr settings + ldr r4,=CFG_MDREFR_VAL + + @ write back mdrefr + str r4,[r1, #MDREFR_OFFSET] + ldr r4,[r1, #MDREFR_OFFSET] + + /* ---------------------------------------------------------------- */ + /* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */ + /* ---------------------------------------------------------------- */ + + /* Initialize SXCNFG register. Assert the enable bits */ + + /* Write SXMRS to cause an MRS command to all enabled banks of */ + /* synchronous static memory. Note that SXLCR need not be written */ + /* at this time. */ + + /* FIXME: we use async mode for now */ + + /* ---------------------------------------------------------------- */ + /* Step 4: Initialize SDRAM */ + /* ---------------------------------------------------------------- */ + + @ set K1RUN for bank 0 + @ + orr r4, r4, #MDREFR_K1RUN + + @ write back mdrefr + @ + str r4, [r1, #MDREFR_OFFSET] + ldr r4, [r1, #MDREFR_OFFSET] + + @ deassert SLFRSH + @ + bic r4, r4, #MDREFR_SLFRSH + + @ write back mdrefr + @ + str r4, [r1, #MDREFR_OFFSET] + ldr r4, [r1, #MDREFR_OFFSET] + + @ assert E1PIN + @ if E0PIN is also used: #(MDREFR_E1PIN|MDREFR_E0PIN) + orr r4, r4, #(MDREFR_E1PIN) + + @ write back mdrefr + @ + str r4, [r1, #MDREFR_OFFSET] + ldr r4, [r1, #MDREFR_OFFSET] + nop + nop + + /* Step 4d: */ + /* 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) + + @ program banks 0/1 for bus width + @ + bic r2, r2, #MDCNFG_DWID0 @0=32-bit + + @ write initial value of mdcnfg, w/o enabling sdram banks + @ + str r2, [r1, #MDCNFG_OFFSET] + + /* Step 4e: Wait for the clock to the SDRAMs to stabilize, */ + /* 100..200 µsec. */ + + 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 + + + /* Step 4f: Trigger a number (usually 8) refresh cycles by */ + /* attempting non-burst read or write accesses to disabled */ + /* SDRAM, as commonly specified in the power up sequence */ + /* documented in SDRAM data sheets. The address(es) used */ + /* for this purpose must not be cacheable. */ + + ldr r3, =CFG_DRAM_BASE + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + + + /* Step 4g: Write MDCNFG with enable bits asserted */ + /* get memory controller base address */ + ldr r1, =MEMC_BASE + + @fetch current mdcnfg value + @ + ldr r3, [r1, #MDCNFG_OFFSET] + + @enable sdram bank 0 if installed (must do for any populated bank) + @ + orr r3, r3, #MDCNFG_DE0 + + @write back mdcnfg, enabling the sdram bank(s) + @ + str r3, [r1, #MDCNFG_OFFSET] + + /* Step 4h: Write MDMRS. */ + + ldr r2, =CFG_MDMRS_VAL + str r2, [r1, #MDMRS_OFFSET] + + + /* We are finished with Intel's memory controller initialisation */ + + + /* ---------------------------------------------------------------- */ + /* Disable (mask) all interrupts at interrupt controller */ + /* ---------------------------------------------------------------- */ + +initirqs: + mov r1, #0 /* clear int. level register (IRQ, not FIQ) */ + ldr r2, =ICLR + str r1, [r2] + + ldr r1, =CFG_ICMR_VAL /* mask all interrupts at the controller */ + ldr r2, =ICMR + str r1, [r2] + + + /* ---------------------------------------------------------------- */ + /* Clock initialisation */ + /* ---------------------------------------------------------------- */ + +initclks: + + /* Disable the peripheral clocks, and set the core clock frequency */ + /* (hard-coding at 398.12MHz for now). */ + /* Turn Off ALL on-chip peripheral clocks for re-configuration */ + /* Note: See label 'ENABLECLKS' for the re-enabling */ + ldr r1, =CKEN + mov r2, #0 + str r2, [r1] + + + /* default value */ + ldr r2, =(CCCR_L27|CCCR_M2|CCCR_N10) /* DEFAULT: {200/200/100} */ + + /* ... and write the core clock config register */ + ldr r1, =CCCR + str r2, [r1] + +#ifdef RTC + /* 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 + @ +test: + ldr r1, =CKEN + ldr r2, =CFG_CKEN_VAL + str r2, [r1] + + /* ---------------------------------------------------------------- */ + /* */ + /* ---------------------------------------------------------------- */ + + /* Save SDRAM size ?*/ + ldr r1, =DRAM_SIZE + str r8, [r1] + + /* FIXME */ + +#define NODEBUG +#ifdef NODEBUG + /*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 */ + +#endif + + /* ---------------------------------------------------------------- */ + /* End memsetup */ + /* ---------------------------------------------------------------- */ + +endmemsetup: + + mov pc, lr diff --git a/board/xaeniax/u-boot.lds b/board/xaeniax/u-boot.lds new file mode 100644 index 0000000..58c371d --- /dev/null +++ b/board/xaeniax/u-boot.lds @@ -0,0 +1,55 @@ +/* + * (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/board/xaeniax/xaeniax.c b/board/xaeniax/xaeniax.c new file mode 100644 index 0000000..26fb312 --- /dev/null +++ b/board/xaeniax/xaeniax.c @@ -0,0 +1,78 @@ +/* + * (C) Copyright 2004 + * Vincent Dubey, Xa SA, vincent.dubey@xa-ch.com + * + * (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 of xaeniax */ + gd->bd->bi_arch_number = 585; + + /* 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/include/configs/xaeniax.h b/include/configs/xaeniax.h new file mode 100644 index 0000000..569788a --- /dev/null +++ b/include/configs/xaeniax.h @@ -0,0 +1,555 @@ +/* + * (C) Copyright 2004 + * Vincent Dubey, Xa SA, vincent.dubey@xa-ch.com + * + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.ne + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * Configuation settings for the xaeniax 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 + +/* + * 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 */ + +/* +#undef CONFIG_INIT_CRITICAL +*/ + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_PXA250 1 /* This is an PXA255 CPU */ +#define CONFIG_XAENIAX 1 /* on a xaeniax board */ + + +#define BOARD_LATE_INIT 1 + + +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +/* + * select serial console configuration + */ +#define CONFIG_BTUART 1 /* we use BTUART on XAENIAX */ + + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* valid baudrates */ + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DIAG | CFG_CMD_SDRAM & ~CONFIG_CMD_DTT) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define CONFIG_ETHADDR 08:00:3e:26:0a:5b +#define CONFIG_NETMASK 255.255.255.0 +#define CONFIG_IPADDR 192.168.68.201 +#define CONFIG_SERVERIP 192.168.68.62 + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTCOMMAND "bootm 0x00100000" +#define CONFIG_BOOTARGS "console=ttyS1,115200" +#define CONFIG_CMDLINE_TAG1 /* enable passing of ATAGs */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ +#endif + +/* + * Size of malloc() pool; this lives below the uppermost 128 KiB which are + * used for the RAM copy of the uboot code + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_HUSH_PARSER 1 + +#define CFG_PROMPT_HUSH_PS2 "> " + +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT "u-boot$ " /* Monitor Command Prompt */ +#else +#define CFG_PROMPT "u-boot=> " /* 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 0xa1000000 /* default load address */ + +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CFG_CPUSPEED 0x141 /* set core clock to 400/200/100 MHz */ + +/* + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 banks (partition) 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 + +/* + * FLASH and environment 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 */ + +/* 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 */ + +/* FIXME */ +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)/* Addr of Environment Sector */ +#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */ + +/* + * 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 + +/* + * SMSC91C111 Network Card + */ +#define CONFIG_DRIVER_SMC91111 1 +#define CONFIG_SMC91111_BASE 0x0C00030 /* chip select 3 */ +#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */ +#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */ +#undef CONFIG_SHOW_ACTIVITY +#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */ + +/* + * GPIO settings + */ + +/* + * GP05 == nUSBReset is 1 + * GP10 == CFReset is 1 + * GP13 == nCFDataEnable is 1 + * GP14 == nCFAddrEnable is 1 + * GP15 == nCS1 is 1 + * GP21 == ComBrdReset is 1 + * GP24 == SFRM is 1 + * GP25 == TXD is 1 + * GP31 == SYNC is 1 + * GP33 == nCS5 is 1 + * GP39 == FFTXD is 1 + * GP41 == RTS is 1 + * GP43 == BTTXD is 1 + * GP45 == BTRTS is 1 + * GP47 == TXD is 1 + * GP48 == nPOE is 1 + * GP49 == nPWE is 1 + * GP50 == nPIOR is 1 + * GP51 == nPIOW is 1 + * GP52 == nPCE[1] is 1 + * GP53 == nPCE[2] is 1 + * GP54 == nPSKTSEL is 1 + * GP55 == nPREG is 1 + * GP78 == nCS2 is 1 + * GP79 == nCS3 is 1 + * GP80 == nCS4 is 1 + * GP82 == NSSPSFRM is 1 + * GP83 == NSSPTXD is 1 + */ +#define CFG_GPSR0_VAL 0x8320E420 +#define CFG_GPSR1_VAL 0x00FFAA82 +#define CFG_GPSR2_VAL 0x000DC000 + +/* + * GP03 == LANReset is 0 + * GP06 == USBWakeUp is 0 + * GP11 == USBControl is 0 + * GP12 == Buzzer is 0 + * GP16 == PWM0 is 0 + * GP17 == PWM1 is 0 + * GP23 == SCLK is 0 + * GP30 == SDATA_OUT is 0 + * GP81 == NSSPCLK is 0 + */ +#define CFG_GPCR0_VAL 0x40C31868 +#define CFG_GPCR1_VAL 0x00000000 +#define CFG_GPCR2_VAL 0x00020000 + +/* + * GP00 == CPUWakeUpUSB is input + * GP01 == GP reset is input + * GP02 == LANInterrupt is input + * GP03 == LANReset is output + * GP04 == USBInterrupt is input + * GP05 == nUSBReset is output + * GP06 == USBWakeUp is output + * GP07 == CFReady/nBusy is input + * GP08 == nCFCardDetect1 is input + * GP09 == nCFCardDetect2 is input + * GP10 == nCFReset is output + * GP11 == USBControl is output + * GP12 == Buzzer is output + * GP13 == CFDataEnable is output + * GP14 == CFAddressEnable is output + * GP15 == nCS1 is output + * GP16 == PWM0 is output + * GP17 == PWM1 is output + * GP18 == RDY is input + * GP19 == ReaderReady is input + * GP20 == ReaderReset is input + * GP21 == ComBrdReset is output + * GP23 == SCLK is output + * GP24 == SFRM is output + * GP25 == TXD is output + * GP26 == RXD is input + * GP27 == EXTCLK is input + * GP28 == BITCLK is output + * GP29 == SDATA_IN0 is input + * GP30 == SDATA_OUT is output + * GP31 == SYNC is output + * GP32 == SYSSCLK is output + * GP33 == nCS5 is output + * GP34 == FFRXD is input + * GP35 == CTS is input + * GP36 == DCD is input + * GP37 == DSR is input + * GP38 == RI is input + * GP39 == FFTXD is output + * GP40 == DTR is output + * GP41 == RTS is output + * GP42 == BTRXD is input + * GP43 == BTTXD is output + * GP44 == BTCTS is input + * GP45 == BTRTS is output + * GP46 == RXD is input + * GP47 == TXD is output + * GP48 == nPOE is output + * GP49 == nPWE is output + * GP50 == nPIOR is output + * GP51 == nPIOW is output + * GP52 == nPCE[1] is output + * GP53 == nPCE[2] is output + * GP54 == nPSKTSEL is output + * GP55 == nPREG is output + * GP56 == nPWAIT is input + * GP57 == nPIOS16 is input + * GP58 == LDD[0] is output + * GP59 == LDD[1] is output + * GP60 == LDD[2] is output + * GP61 == LDD[3] is output + * GP62 == LDD[4] is output + * GP63 == LDD[5] is output + * GP64 == LDD[6] is output + * GP65 == LDD[7] is output + * GP66 == LDD[8] is output + * GP67 == LDD[9] is output + * GP68 == LDD[10] is output + * GP69 == LDD[11] is output + * GP70 == LDD[12] is output + * GP71 == LDD[13] is output + * GP72 == LDD[14] is output + * GP73 == LDD[15] is output + * GP74 == LCD_FCLK is output + * GP75 == LCD_LCLK is output + * GP76 == LCD_PCLK is output + * GP77 == LCD_ACBIAS is output + * GP78 == nCS2 is output + * GP79 == nCS3 is output + * GP80 == nCS4 is output + * GP81 == NSSPCLK is output + * GP82 == NSSPSFRM is output + * GP83 == NSSPTXD is output + * GP84 == NSSPRXD is input + */ +#define CFG_GPDR0_VAL 0xD3E3FC68 +#define CFG_GPDR1_VAL 0xFCFFAB83 +#define CFG_GPDR2_VAL 0x000FFFFF + +/* + * GP01 == GP reset is AF01 + * GP15 == nCS1 is AF10 + * GP16 == PWM0 is AF10 + * GP17 == PWM1 is AF10 + * GP18 == RDY is AF01 + * GP23 == SCLK is AF10 + * GP24 == SFRM is AF10 + * GP25 == TXD is AF10 + * GP26 == RXD is AF01 + * GP27 == EXTCLK is AF01 + * GP28 == BITCLK is AF01 + * GP29 == SDATA_IN0 is AF10 + * GP30 == SDATA_OUT is AF01 + * GP31 == SYNC is AF01 + * GP32 == SYSCLK is AF01 + * GP33 == nCS5 is AF10 + * GP34 == FFRXD is AF01 + * GP35 == CTS is AF01 + * GP36 == DCD is AF01 + * GP37 == DSR is AF01 + * GP38 == RI is AF01 + * GP39 == FFTXD is AF10 + * GP40 == DTR is AF10 + * GP41 == RTS is AF10 + * GP42 == BTRXD is AF01 + * GP43 == BTTXD is AF10 + * GP44 == BTCTS is AF01 + * GP45 == BTRTS is AF10 + * GP46 == RXD is AF10 + * GP47 == TXD is AF01 + * GP48 == nPOE is AF10 + * GP49 == nPWE is AF10 + * GP50 == nPIOR is AF10 + * GP51 == nPIOW is AF10 + * GP52 == nPCE[1] is AF10 + * GP53 == nPCE[2] is AF10 + * GP54 == nPSKTSEL is AF10 + * GP55 == nPREG is AF10 + * GP56 == nPWAIT is AF01 + * GP57 == nPIOS16 is AF01 + * GP58 == LDD[0] is AF10 + * GP59 == LDD[1] is AF10 + * GP60 == LDD[2] is AF10 + * GP61 == LDD[3] is AF10 + * GP62 == LDD[4] is AF10 + * GP63 == LDD[5] is AF10 + * GP64 == LDD[6] is AF10 + * GP65 == LDD[7] is AF10 + * GP66 == LDD[8] is AF10 + * GP67 == LDD[9] is AF10 + * GP68 == LDD[10] is AF10 + * GP69 == LDD[11] is AF10 + * GP70 == LDD[12] is AF10 + * GP71 == LDD[13] is AF10 + * GP72 == LDD[14] is AF10 + * GP73 == LDD[15] is AF10 + * GP74 == LCD_FCLK is AF10 + * GP75 == LCD_LCLK is AF10 + * GP76 == LCD_PCLK is AF10 + * GP77 == LCD_ACBIAS is AF10 + * GP78 == nCS2 is AF10 + * GP79 == nCS3 is AF10 + * GP80 == nCS4 is AF10 + * GP81 == NSSPCLK is AF01 + * GP82 == NSSPSFRM is AF01 + * GP83 == NSSPTXD is AF01 + * GP84 == NSSPRXD is AF10 + */ +#define CFG_GAFR0_L_VAL 0x80000004 +#define CFG_GAFR0_U_VAL 0x595A801A +#define CFG_GAFR1_L_VAL 0x699A9559 +#define CFG_GAFR1_U_VAL 0xAAA5AAAA +#define CFG_GAFR2_L_VAL 0xAAAAAAAA +#define CFG_GAFR2_U_VAL 0x00000256 + +/* + * clock settings + */ +/* RDH = 1 + * PH = 0 + * VFS = 0 + * BFS = 0 + * SSS = 0 + */ +#define CFG_PSSR_VAL 0x00000030 + +#define CFG_CKEN_VAL 0x00000080 /* */ +#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */ + + +/* + * Memory settings + * + * This is the configuration for nCS0/1 -> flash banks + * configuration for nCS1 : + * [31] 0 - + * [30:28] 000 - + * [27:24] 0000 - + * [23:20] 0000 - + * [19] 0 - + * [18:16] 000 - + * configuration for nCS0: + * [15] 0 - Slower Device + * [14:12] 010 - CS deselect to CS time: 2*(2*MemClk) = 40 ns + * [11:08] 0011 - Address to data valid in bursts: (3+1)*MemClk = 40 ns + * [07:04] 1111 - " for first access: (23+2)*MemClk = 250 ns (fixme 12+2?) + * [03] 0 - 32 Bit bus width + * [02:00] 010 - burst OF 4 ROM or FLASH +*/ +#define CFG_MSC0_VAL 0x000023D2 + +/* This is the configuration for nCS2/3 -> USB controller, LAN + * configuration for nCS3: LAN + * [31] 0 - Slower Device + * [30:28] 001 - RRR3: CS deselect to CS time: 1*(2*MemClk) = 20 ns + * [27:24] 0010 - RDN3: Address to data valid in bursts: (2+1)*MemClk = 30 ns + * [23:20] 0010 - RDF3: Address for first access: (2+1)*MemClk = 30 ns + * [19] 0 - 32 Bit bus width + * [18:16] 100 - variable latency I/O + * configuration for nCS2: USB + * [15] 1 - Faster Device + * [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns + * [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns + * [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns + * [03] 0 - 32 Bit bus width + * [02:00] 100 - variable latency I/O + */ +#define CFG_MSC1_VAL 0x1224A264 + +/* This is the configuration for nCS4/5 -> LAN + * configuration for nCS5: + * [31] 0 - + * [30:28] 000 - + * [27:24] 0000 - + * [23:20] 0000 - + * [19] 0 - + * [18:16] 000 - + * configuration for nCS4: LAN + * [15] 1 - Faster Device + * [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns + * [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns + * [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns + * [03] 0 - 32 Bit bus width + * [02:00] 100 - variable latency I/O + */ +#define CFG_MSC2_VAL 0x00001224 + +/* MDCNFG: SDRAM Configuration Register + * + * [31:29] 000 - reserved + * [28] 0 - no SA1111 compatiblity mode + * [27] 0 - latch return data with return clock + * [26] 0 - alternate addressing for pair 2/3 + * [25:24] 00 - timings + * [23] 0 - internal banks in lower partition 2/3 (not used) + * [22:21] 00 - row address bits for partition 2/3 (not used) + * [20:19] 00 - column address bits for partition 2/3 (not used) + * [18] 0 - SDRAM partition 2/3 width is 32 bit + * [17] 0 - SDRAM partition 3 disabled + * [16] 0 - SDRAM partition 2 disabled + * [15:13] 000 - reserved + * [12] 0 - no SA1111 compatiblity mode + * [11] 1 - latch return data with return clock + * [10] 0 - no alternate addressing for pair 0/1 + * [09:08] 10 - tRP=2*MemClk CL=2 tRCD=2*MemClk tRAS=5*MemClk tRC=8*MemClk + * [7] 1 - 4 internal banks in lower partition pair + * [06:05] 10 - 13 row address bits for partition 0/1 + * [04:03] 01 - 9 column address bits for partition 0/1 + * [02] 0 - SDRAM partition 0/1 width is 32 bit + * [01] 0 - disable SDRAM partition 1 + * [00] 1 - enable SDRAM partition 0 + */ +/* use the configuration above but disable partition 0 */ +#define CFG_MDCNFG_VAL 0x00000AC9 + +/* MDREFR: SDRAM Refresh Control Register + * + * [32:26] 0 - reserved + * [25] 0 - K2FREE: not free running + * [24] 0 - K1FREE: not free running + * [23] 0 - K0FREE: not free running + * [22] 0 - SLFRSH: self refresh disabled + * [21] 0 - reserved + * [20] 1 - APD: auto power down + * [19] 0 - K2DB2: SDCLK2 is MemClk + * [18] 0 - K2RUN: disable SDCLK2 + * [17] 0 - K1DB2: SDCLK1 is MemClk + * [16] 1 - K1RUN: enable SDCLK1 + * [15] 1 - E1PIN: SDRAM clock enable + * [14] 0 - K0DB2: SDCLK0 is MemClk + * [13] 0 - K0RUN: disable SDCLK0 + * [12] 0 - E0PIN: disable SDCKE0 + * [11:00] 000000011000 - (64ms/8192)*MemClkFreq/32 = 24 + */ +#define CFG_MDREFR_VAL 0x00138018 /* mh: was 0x00118018 */ + +/* MDMRS: Mode Register Set Configuration Register + * + * [31] 0 - reserved + * [30:23] 00000000- MDMRS2: SDRAM2/3 MRS Value. (not used) + * [22:20] 011 - MDCL2: SDRAM2/3 Cas Latency. (not used) + * [19] 0 - MDADD2: SDRAM2/3 burst Type. Fixed to sequential. (not used) + * [18:16] 010 - MDBL2: SDRAM2/3 burst Length. Fixed to 4. (not used) + * [15] 0 - reserved + * [14:07] 00000000- MDMRS0: SDRAM0/1 MRS Value. + * [06:04] 011 - MDCL0: SDRAM0/1 Cas Latency. + * [03] 0 - MDADD0: SDRAM0/1 burst Type. Fixed to sequential. + * [02:00] 010 - MDBL0: SDRAM0/1 burst Length. Fixed to 4. + */ +#define CFG_MDMRS_VAL 0x00320032 + +/* + * 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 + + +#endif /* __CONFIG_H */ |