From a4c8d1389f96040bb6d482523de680ba1b9d7c9e Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Fri, 2 Jun 2006 16:18:04 +0200 Subject: Add support for PCS440EP board Patch by Stefan Roese, 02 Jun 2006 diff --git a/CHANGELOG b/CHANGELOG index 4aab6fc..facc6c2 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -7,6 +7,9 @@ Changes since U-Boot 1.1.4: MPC8272 boards. Eventually this should be used on all boards?] Patch by Wolfgang Grandegger, 17 Jan 2006 +* Add support for PCS440EP board + Patch by Stefan Roese, 02 Jun 2006 + * Correct GPIO setup (UART1/IRQ's) on yosemite & yellowstone Patch by Stefan Roese, 29 May 2006 diff --git a/MAINTAINERS b/MAINTAINERS index ab4a33b..2e5bfe2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -283,6 +283,7 @@ Stefan Roese ebony PPC440GP ocotea PPC440GX p3p440 PPC440GP + pcs440ep PPC440EP sycamore PPC405GPr walnut PPC405GP yellowstone PPC440GR diff --git a/MAKEALL b/MAKEALL index 28cde65..5b56377 100755 --- a/MAKEALL +++ b/MAKEALL @@ -71,11 +71,11 @@ LIST_4xx=" \ HH405 HUB405 JSE KAREF \ luan METROBOX MIP405 MIP405T \ ML2 ml300 ocotea OCRTC \ - ORSG p3p440 PCI405 PIP405 \ - PLU405 PMC405 PPChameleonEVB sbc405 \ - VOH405 VOM405 W7OLMC W7OLMG \ - walnut WUH405 XPEDITE1K yellowstone \ - yosemite \ + ORSG p3p440 PCI405 pcs440ep \ + PIP405 PLU405 PMC405 PPChameleonEVB \ + sbc405 VOH405 VOM405 W7OLMC \ + W7OLMG walnut WUH405 XPEDITE1K \ + yellowstone yosemite \ " ######################################################################### diff --git a/Makefile b/Makefile index 41a3624..2e8ee98 100644 --- a/Makefile +++ b/Makefile @@ -919,6 +919,9 @@ p3p440_config: unconfig PCI405_config: unconfig @./mkconfig $(@:_config=) ppc ppc4xx pci405 esd +pcs440ep_config: unconfig + @./mkconfig $(@:_config=) ppc ppc4xx pcs440ep + PIP405_config: unconfig @./mkconfig $(@:_config=) ppc ppc4xx pip405 mpl diff --git a/board/pcs440ep/Makefile b/board/pcs440ep/Makefile new file mode 100644 index 0000000..4a2a388 --- /dev/null +++ b/board/pcs440ep/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS = $(BOARD).o flash.o +SOBJS = init.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/board/pcs440ep/config.mk b/board/pcs440ep/config.mk new file mode 100644 index 0000000..c39271c --- /dev/null +++ b/board/pcs440ep/config.mk @@ -0,0 +1,44 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# PCS440EP board +# + +#TEXT_BASE = 0x00001000 + +ifeq ($(ramsym),1) +TEXT_BASE = 0xFBD00000 +else +TEXT_BASE = 0xFFF80000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 +endif diff --git a/board/pcs440ep/flash.c b/board/pcs440ep/flash.c new file mode 100644 index 0000000..c01c375 --- /dev/null +++ b/board/pcs440ep/flash.c @@ -0,0 +1,602 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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 + +#ifndef CFG_FLASH_READ0 +#define CFG_FLASH_READ0 0x0000 /* 0 is standard */ +#define CFG_FLASH_READ1 0x0001 /* 1 is standard */ +#define CFG_FLASH_READ2 0x0002 /* 2 is standard */ +#endif + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* + * Functions + */ +static int write_word(flash_info_t *info, ulong dest, ulong data); +static ulong flash_get_size(vu_long *addr, flash_info_t *info); + +unsigned long flash_init(void) +{ + unsigned long size_b0, size_b1; + int i; + unsigned long base_b0, base_b1; + + /* Init: no FLASHes known */ + for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + base_b0 = FLASH_BASE0_PRELIM; + size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0 << 20); + } + + base_b1 = FLASH_BASE1_PRELIM; + size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); + + return (size_b0 + size_b1); +} + +void flash_print_info(flash_info_t *info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + 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; + case FLASH_MAN_SST: printf ("SST "); break; + case FLASH_MAN_EXCEL: printf ("Excel Semiconductor "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM040: printf ("AM29LV040B (4 Mbit, uniform sector size)\n"); + break; + case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320T: printf ("AM29LV320T (32 M, top sector)\n"); + break; + case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n"); + break; + case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n"); + break; + case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n"); + break; + case FLASH_SST020: printf ("SST39LF/VF020 (2 Mbit, uniform sector size)\n"); + break; + case FLASH_SST040: printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\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; isector_count; ++i) { +#ifdef CFG_FLASH_EMPTY_INFO + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count-1)) + size = info->start[i+1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k=0; kstart[i], + erased ? " E" : " ", + info->protect[i] ? "RO " : " "); +#else + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); +#endif + + } + 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; + short n; + volatile CFG_FLASH_WORD_SIZE value; + ulong base = (ulong)addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (volatile CFG_FLASH_WORD_SIZE *)addr; + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090; + + value = addr2[CFG_FLASH_READ0]; + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE)SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_WORD_SIZE)EXCEL_MANUFACT: + info->flash_id = FLASH_MAN_EXCEL; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[CFG_FLASH_READ1]; /* device ID */ + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T: + info->flash_id += FLASH_AMDL322T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B: + info->flash_id += FLASH_AMDL322B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T: + info->flash_id += FLASH_AMDL323T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF020: + info->flash_id += FLASH_SST020; + info->sector_count = 64; + info->size = 0x00040000; + break; /* => 256 kB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF040: + info->flash_id += FLASH_SST040; + info->sector_count = 128; + info->size = 0x00080000; + break; /* => 512 kB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00001000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* 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 */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD) + info->protect[i] = 0; + else + info->protect[i] = addr2[CFG_FLASH_READ2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0]; + *addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + } + + return (info->size); +} + + +int flash_erase(flash_info_t *info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + ulong start, now, last; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) + printf ("- missing\n"); + else + printf ("- no sectors to erase\n"); + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) + if (info->protect[sect]) + prot++; + + if (prot) + printf ("- Warning: %d protected sectors will not be erased!\n", prot); + else + printf ("\n"); + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + + /* re-enable interrupts if necessary */ + if (flag) { + enable_interrupts(); + flag = 0; + } + + /* data polling for D7 */ + start = get_timer (0); + while ((addr2[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != + (CFG_FLASH_WORD_SIZE)0x00800080) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + } else { + if (sect == s_first) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + } + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + } + 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 = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]); + while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_FLASH_WORD_SIZE)0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + +DONE: + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *)info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE)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; i0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i=0; i<4; ++i) + data = (data << 8) | *src++; + if ((rc = write_word(info, wp, data)) != 0) + return (rc); + wp += 4; + cnt -= 4; + } + + if (cnt == 0) + return (0); + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i<4; ++i, ++cp) + data = (data << 8) | (*(uchar *)cp); + + return (write_word(info, wp, data)); +} + +/* + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word(flash_info_t *info, ulong dest, ulong data) +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data; + ulong start; + 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(); + + for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE)0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + } + + return (0); +} diff --git a/board/pcs440ep/init.S b/board/pcs440ep/init.S new file mode 100644 index 0000000..0eee4d8 --- /dev/null +++ b/board/pcs440ep/init.S @@ -0,0 +1,113 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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 + +/* General */ +#define TLB_VALID 0x00000200 + +/* Supported page sizes */ + +#define SZ_1K 0x00000000 +#define SZ_4K 0x00000010 +#define SZ_16K 0x00000020 +#define SZ_64K 0x00000030 +#define SZ_256K 0x00000040 +#define SZ_1M 0x00000050 +#define SZ_8M 0x00000060 +#define SZ_16M 0x00000070 +#define SZ_256M 0x00000090 + +/* Storage attributes */ +#define SA_W 0x00000800 /* Write-through */ +#define SA_I 0x00000400 /* Caching inhibited */ +#define SA_M 0x00000200 /* Memory coherence */ +#define SA_G 0x00000100 /* Guarded */ +#define SA_E 0x00000080 /* Endian */ + +/* Access control */ +#define AC_X 0x00000024 /* Execute */ +#define AC_W 0x00000012 /* Write */ +#define AC_R 0x00000009 /* Read */ + +/* Some handy macros */ + +#define EPN(e) ((e) & 0xfffffc00) +#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) ) +#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) ) +#define TLB2(a) ( (a)&0x00000fbf ) + +#define tlbtab_start\ + mflr r1 ;\ + bl 0f ; + +#define tlbtab_end\ + .long 0, 0, 0 ; \ +0: mflr r0 ; \ + mtlr r1 ; \ + blr ; + +#define tlbentry(epn,sz,rpn,erpn,attr)\ + .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) + + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) + + /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ + tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) + + tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I ) + + /* PCI */ + tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I ) + + /* USB 2.0 Device */ + tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I ) + + tlbtab_end diff --git a/board/pcs440ep/pcs440ep.c b/board/pcs440ep/pcs440ep.c new file mode 100644 index 0000000..b71caf2 --- /dev/null +++ b/board/pcs440ep/pcs440ep.c @@ -0,0 +1,379 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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 +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +static void set_leds(int val) +{ + unsigned char led[16] = {0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe, + 0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf}; + out32(GPIO0_OR, (in32(GPIO0_OR) & ~0x78000000) | (led[val] << 27)); +} + +int board_early_init_f(void) +{ + register uint reg; + + set_leds(0); /* display boot info counter */ + + /*-------------------------------------------------------------------- + * Setup the external bus controller/chip selects + *-------------------------------------------------------------------*/ + mtdcr(ebccfga, xbcfg); + reg = mfdcr(ebccfgd); + mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */ + + /*-------------------------------------------------------------------- + * GPIO's are alreay setup in cpu/ppc4xx/cpu_init.c + * via define from board config file. + *-------------------------------------------------------------------*/ + + /*-------------------------------------------------------------------- + * Setup the interrupt controller polarities, triggers, etc. + *-------------------------------------------------------------------*/ + mtdcr(uic0sr, 0xffffffff); /* clear all */ + mtdcr(uic0er, 0x00000000); /* disable all */ + mtdcr(uic0cr, 0x00000001); /* UIC1 crit is critical */ + mtdcr(uic0pr, 0xfffffe1f); /* per ref-board manual */ + mtdcr(uic0tr, 0x01c00000); /* per ref-board manual */ + mtdcr(uic0vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic0sr, 0xffffffff); /* clear all */ + + mtdcr(uic1sr, 0xffffffff); /* clear all */ + mtdcr(uic1er, 0x00000000); /* disable all */ + mtdcr(uic1cr, 0x00000000); /* all non-critical */ + mtdcr(uic1pr, 0xffffe0ff); /* per ref-board manual */ + mtdcr(uic1tr, 0x00ffc000); /* per ref-board manual */ + mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + + /*-------------------------------------------------------------------- + * Setup other serial configuration + *-------------------------------------------------------------------*/ + mfsdr(sdr_pci0, reg); + mtsdr(sdr_pci0, 0x80000000 | reg); /* PCI arbiter enabled */ + mtsdr(sdr_pfc0, 0x00000100); /* Pin function: enable GPIO49-63 */ + mtsdr(sdr_pfc1, 0x00048000); /* Pin function: UART0 has 4 pins, select IRQ5 */ + + return 0; +} + +int misc_init_r (void) +{ + uint pbcr; + int size_val = 0; + + /* Re-do sizing to get full correct info */ + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + switch (gd->bd->bi_flashsize) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + case 32 << 20: + size_val = 5; + break; + case 64 << 20: + size_val = 6; + break; + case 128 << 20: + size_val = 7; + break; + } + pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); + mtdcr(ebccfga, pb0cr); + mtdcr(ebccfgd, pbcr); + + /* adjust flash start and offset */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[1]); + + /* Env protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + return 0; +} + +int checkboard(void) +{ + char *s = getenv("serial#"); + + printf("Board: PCS440EP"); + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return (0); +} + +long int initdram (int board_type) +{ + long dram_size = 0; + + set_leds(1); /* display boot info counter */ + dram_size = spd_sdram(); + set_leds(2); /* display boot info counter */ + + return dram_size; +} + +#if defined(CFG_DRAM_TEST) +int testdram(void) +{ + unsigned long *mem = (unsigned long *)0; + const unsigned long kend = (1024 / sizeof(unsigned long)); + unsigned long k, n; + + mtmsr(0); + + for (k = 0; k < CFG_KBYTES_SDRAM; + ++k, mem += (1024 / sizeof(unsigned long))) { + if ((k & 1023) == 0) { + printf("%3d MB\r", k / 1024); + } + + memset(mem, 0xaaaaaaaa, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + + memset(mem, 0x55555555, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0x55555555) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + } + printf("SDRAM test passes\n"); + return 0; +} +#endif + +/************************************************************************* + * pci_pre_init + * + * This routine is called just prior to registering the hose and gives + * the board the opportunity to check things. Returning a value of zero + * indicates that things are bad & PCI initialization should be aborted. + * + * Different boards may wish to customize the pci controller structure + * (add regions, override default access routines, etc) or perform + * certain pre-initialization actions. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) +int pci_pre_init(struct pci_controller *hose) +{ + unsigned long addr; + + /*-------------------------------------------------------------------------+ + | Set priority for all PLB3 devices to 0. + | Set PLB3 arbiter to fair mode. + +-------------------------------------------------------------------------*/ + mfsdr(sdr_amp1, addr); + mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00); + addr = mfdcr(plb3_acr); + mtdcr(plb3_acr, addr | 0x80000000); + + /*-------------------------------------------------------------------------+ + | Set priority for all PLB4 devices to 0. + +-------------------------------------------------------------------------*/ + mfsdr(sdr_amp0, addr); + mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00); + addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */ + mtdcr(plb4_acr, addr); + + /*-------------------------------------------------------------------------+ + | Set Nebula PLB4 arbiter to fair mode. + +-------------------------------------------------------------------------*/ + /* Segment0 */ + addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair; + addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled; + addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep; + addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep; + mtdcr(plb0_acr, addr); + + /* Segment1 */ + addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair; + addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled; + addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep; + addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep; + mtdcr(plb1_acr, addr); + + return 1; +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */ + +/************************************************************************* + * pci_target_init + * + * The bootstrap configuration provides default settings for the pci + * inbound map (PIM). But the bootstrap config choices are limited and + * may not be sufficient for a given board. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) +void pci_target_init(struct pci_controller *hose) +{ + /*--------------------------------------------------------------------------+ + * Set up Direct MMIO registers + *--------------------------------------------------------------------------*/ + /*--------------------------------------------------------------------------+ + | PowerPC440 EP PCI Master configuration. + | Map one 1Gig range of PLB/processor addresses to PCI memory space. + | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF + | Use byte reversed out routines to handle endianess. + | Make this region non-prefetchable. + +--------------------------------------------------------------------------*/ + out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ + out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */ + out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */ + out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */ + + out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ + out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */ + out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */ + out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */ + + out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */ + out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */ + out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */ + out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */ + + /*--------------------------------------------------------------------------+ + * Set up Configuration registers + *--------------------------------------------------------------------------*/ + + /* Program the board's subsystem id/vendor id */ + pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, + CFG_PCI_SUBSYS_VENDORID); + pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID); + + /* Configure command register as bus master */ + pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); + + /* 240nS PCI clock */ + pci_write_config_word(0, PCI_LATENCY_TIMER, 1); + + /* No error reporting */ + pci_write_config_word(0, PCI_ERREN, 0); + + pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); + +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ + +/************************************************************************* + * pci_master_init + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) +void pci_master_init(struct pci_controller *hose) +{ + unsigned short temp_short; + + /*--------------------------------------------------------------------------+ + | Write the PowerPC440 EP PCI Configuration regs. + | Enable PowerPC440 EP to be a master on the PCI bus (PMM). + | Enable PowerPC440 EP to act as a PCI memory target (PTM). + +--------------------------------------------------------------------------*/ + pci_read_config_word(0, PCI_COMMAND, &temp_short); + pci_write_config_word(0, PCI_COMMAND, + temp_short | PCI_COMMAND_MASTER | + PCI_COMMAND_MEMORY); +} +#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */ + +/************************************************************************* + * is_pci_host + * + * This routine is called to determine if a pci scan should be + * performed. With various hardware environments (especially cPCI and + * PPMC) it's insufficient to depend on the state of the arbiter enable + * bit in the strap register, or generic host/adapter assumptions. + * + * Rather than hard-code a bad assumption in the general 440 code, the + * 440 pci code requires the board to decide at runtime. + * + * Return 0 for adapter mode, non-zero for host (monarch) mode. + * + * + ************************************************************************/ +#if defined(CONFIG_PCI) +int is_pci_host(struct pci_controller *hose) +{ + /* PCS440EP is always configured as host. */ + return (1); +} +#endif /* defined(CONFIG_PCI) */ + +/************************************************************************* + * hw_watchdog_reset + * + * This routine is called to reset (keep alive) the watchdog timer + * + ************************************************************************/ +#if defined(CONFIG_HW_WATCHDOG) +void hw_watchdog_reset(void) +{ + +} +#endif diff --git a/board/pcs440ep/u-boot.lds b/board/pcs440ep/u-boot.lds new file mode 100644 index 0000000..b3bac7c --- /dev/null +++ b/board/pcs440ep/u-boot.lds @@ -0,0 +1,157 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + board/pcs440ep/init.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/serial.o (.text) + cpu/ppc4xx/cpu_init.o (.text) + cpu/ppc4xx/speed.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 1a139d7..b27567f 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000 + * (C) Copyright 2000-2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -101,6 +101,117 @@ DECLARE_GLOBAL_DATA_PTR; # endif #endif /* CFG_INIT_DCACHE_CS */ +#if defined(CFG_440_GPIO_TABLE) +gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE; + +void set_chip_gpio_configuration(gpio_param_s (*gpio_tab)[GPIO_GROUP_MAX][GPIO_MAX]) +{ + unsigned char i=0, j=0, reg_offset = 0, gpio_core; + unsigned long gpio_reg, gpio_core_add; + + for (gpio_core=0; gpio_core> (j*2)); + gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg); + break; + + case GPIO_ALT2: + gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg); + break; + + case GPIO_ALT3: + gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2)); + out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg); + break; + } + } + + if (((*gpio_tab)[gpio_core][i].in_out == GPIO_OUT) || + ((*gpio_tab)[gpio_core][i].in_out == GPIO_BI)) { + + switch ((*gpio_tab)[gpio_core][i].alt_nb) { + case GPIO_SEL: + if (gpio_core == GPIO0) { + gpio_reg = in32(GPIO0_TCR) | (0x80000000 >> (j)); + out32(GPIO0_TCR, gpio_reg); + } + + if (gpio_core == GPIO1) { + gpio_reg = in32(GPIO1_TCR) | (0x80000000 >> (j)); + out32(GPIO1_TCR, gpio_reg); + } + + gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); + gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); + break; + + case GPIO_ALT1: + gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); + out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); + gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2)); + out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); + break; + + case GPIO_ALT2: + gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); + out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); + gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2)); + out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); + break; + + case GPIO_ALT3: + gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); + out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg); + gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) + & ~(GPIO_MASK >> (j*2)); + gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2)); + out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg); + break; + } + } + } + } +} +#endif /* CFG_440_GPIO_TABLE */ /* * Breath some life into the CPU... @@ -129,10 +240,16 @@ cpu_init_f (void) mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE); #endif /* CONFIG_405EP */ +#if defined(CFG_440_GPIO_TABLE) + set_chip_gpio_configuration(&gpio_tab); +#endif /* CFG_440_GPIO_TABLE */ + /* * External Bus Controller (EBC) Setup */ #if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) +#if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ + defined(CONFIG_405EP) || defined(CONFIG_405)) /* * Move the next instructions into icache, since these modify the flash * we are running from! @@ -148,6 +265,7 @@ cpu_init_f (void) asm volatile(" ori 3, 3, 0xA000" ::: "r3"); asm volatile(" mtctr 3" ::: "ctr"); asm volatile("2: bdnz 2b" ::: "ctr", "cr0"); +#endif mtebc(pb0ap, CFG_EBC_PB0AP); mtebc(pb0cr, CFG_EBC_PB0CR); diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 948de43..647088f 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1198,12 +1198,19 @@ ppcSync: .globl relocate_code relocate_code: #if defined(CONFIG_440EP) || defined(CONFIG_440GR) - dccci 0,0 /* Invalidate data cache, now no longer our stack */ + /* + * On some 440er platforms the cache is enabled in the first TLB (Boot-CS) + * to speed up the boot process. Now this cache needs to be disabled. + */ + iccci 0,0 /* Invalidate inst cache */ + dccci 0,0 /* Invalidate data cache, now no longer our stack */ sync + isync addi r1,r0,0x0000 /* TLB entry #0 */ tlbre r0,r1,0x0002 /* Read contents */ ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */ tlbwe r0,r1,0x0002 /* Save it out */ + sync isync #endif mr r1, r3 /* Set new stack pointer */ diff --git a/include/configs/pcs440ep.h b/include/configs/pcs440ep.h new file mode 100644 index 0000000..854809d --- /dev/null +++ b/include/configs/pcs440ep.h @@ -0,0 +1,413 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@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 + */ + +/************************************************************************ + * pcs440ep.h - configuration for PCS440EP board + ***********************************************************************/ +#ifndef __CONFIG_H +#define __CONFIG_H + +/*----------------------------------------------------------------------- + * High Level Configuration Options + *----------------------------------------------------------------------*/ +#define CONFIG_PCS440EP 1 /* Board is PCS440EP */ +#define CONFIG_440EP 1 /* Specific PPC440EP support */ +#define CONFIG_4xx 1 /* ... PPC4xx family */ +#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ +#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */ + +/*----------------------------------------------------------------------- + * Base addresses -- Note these are effective addresses where the + * actual resources get mapped (not physical addresses) + *----------------------------------------------------------------------*/ +#define CFG_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Monitor */ +#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */ +#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) +#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */ +#define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */ +#define CFG_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/ +#define CFG_PCI_MEMBASE1 CFG_PCI_MEMBASE + 0x10000000 +#define CFG_PCI_MEMBASE2 CFG_PCI_MEMBASE1 + 0x10000000 +#define CFG_PCI_MEMBASE3 CFG_PCI_MEMBASE2 + 0x10000000 + +/*Don't change either of these*/ +#define CFG_PERIPHERAL_BASE 0xef600000 /* internal peripherals*/ +#define CFG_PCI_BASE 0xe0000000 /* internal PCI regs*/ +/*Don't change either of these*/ + +#define CFG_USB_DEVICE 0x50000000 +#define CFG_BOOT_BASE_ADDR 0xf0000000 + +/*----------------------------------------------------------------------- + * Initial RAM & stack pointer (placed in SDRAM) + *----------------------------------------------------------------------*/ +#define CFG_INIT_RAM_ADDR 0x70000000 /* DCache */ +#define CFG_INIT_RAM_END (8 << 10) +#define CFG_GBL_DATA_SIZE 256 /* num bytes initial data*/ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Serial Port + *----------------------------------------------------------------------*/ +#undef CFG_EXT_SERIAL_CLOCK /* no external clk used */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SERIAL_MULTI 1 +/*define this if you want console on UART1*/ +#undef CONFIG_UART1_CONSOLE + +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200} + +/*----------------------------------------------------------------------- + * Environment + *----------------------------------------------------------------------*/ +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +/*----------------------------------------------------------------------- + * FLASH related + *----------------------------------------------------------------------*/ +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_WORD_SIZE unsigned char /* flash word size (width) */ +#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */ +#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */ + +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ +#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) +#endif /* CFG_ENV_IS_IN_FLASH */ + +/*----------------------------------------------------------------------- + * DDR SDRAM + *----------------------------------------------------------------------*/ +#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ +#undef CONFIG_DDR_ECC /* don't use ECC */ +#define SPD_EEPROM_ADDRESS {0x50, 0x51} + +/*----------------------------------------------------------------------- + * I2C + *----------------------------------------------------------------------*/ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F + +#define CFG_I2C_MULTI_EEPROMS +#define CFG_I2C_EEPROM_ADDR (0xa8>>1) +#define CFG_I2C_EEPROM_ADDR_LEN 1 +#define CFG_EEPROM_PAGE_WRITE_ENABLE +#define CFG_EEPROM_PAGE_WRITE_BITS 3 +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 + +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" + +#undef CONFIG_BOOTARGS + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "hostname=pcs440ep\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\ + "flash_nfs=run nfsargs addip addtty;" \ + "bootm ${kernel_addr}\0" \ + "flash_self=run ramargs addip addtty;" \ + "bootm ${kernel_addr} ${ramdisk_addr}\0" \ + "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \ + "bootm\0" \ + "rootpath=/opt/eldk/ppc_4xx\0" \ + "bootfile=/tftpboot/pcs440ep/uImage\0" \ + "kernel_addr=fff00000\0" \ + "ramdisk_addr=fff00000\0" \ + "load=tftp 100000 /tftpboot/pcs440ep/u-boot.bin\0" \ + "update=protect off fff80000 ffffffff;era fff80000 ffffffff;" \ + "cp.b 100000 fff80000 80000;" \ + "setenv filesize;saveenv\0" \ + "upd=run load;run update\0" \ + "" +#define CONFIG_BOOTCOMMAND "run flash_self" + +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_NET_MULTI 1 /* required for netconsole */ +#define CONFIG_HAS_ETH1 1 /* add support for "eth1addr" */ +#define CONFIG_PHY_ADDR 1 /* PHY address, See schematics */ +#define CONFIG_PHY1_ADDR 2 + +#define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */ + +#define CONFIG_NETCONSOLE /* include NetConsole support */ + +/* Partitions */ +#define CONFIG_MAC_PARTITION +#define CONFIG_DOS_PARTITION +#define CONFIG_ISO_PARTITION + +#ifdef CONFIG_440EP +/* USB */ +#define CONFIG_USB_OHCI +#define CONFIG_USB_STORAGE + +/*Comment this out to enable USB 1.1 device*/ +#define USB_2_0_DEVICE +#endif /*CONFIG_440EP*/ + +#ifdef DEBUG +#define CONFIG_PANIC_HANG +#else +#define CONFIG_HW_WATCHDOG /* watchdog */ +#endif + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_DHCP | \ + CFG_CMD_DIAG | \ + CFG_CMD_ELF | \ + CFG_CMD_I2C | \ + CFG_CMD_IRQ | \ + CFG_CMD_MII | \ + CFG_CMD_NET | \ + CFG_CMD_NFS | \ + CFG_CMD_PCI | \ + CFG_CMD_PING | \ + CFG_CMD_REGINFO | \ + CFG_CMD_SDRAM | \ + CFG_CMD_EXT2 | \ + CFG_CMD_FAT | \ + CFG_CMD_USB ) + + +#define CONFIG_SUPPORT_VFAT + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#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 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ +#define CONFIG_LYNXKDI 1 /* support kdi files */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +/* General PCI */ +#define CONFIG_PCI /* include pci support */ +#undef CONFIG_PCI_PNP /* do (not) pci plug-and-play */ +#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ +#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE*/ + +/* Board-specific PCI */ +#define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */ +#define CFG_PCI_TARGET_INIT +#define CFG_PCI_MASTER_INIT + +#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ +#define CFG_PCI_SUBSYS_ID 0xcafe /* Whatever */ + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + *----------------------------------------------------------------------*/ +#define FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0xFFF80000 /* FLASH bank #1 */ + +#define CFG_FLASH FLASH_BASE0_PRELIM +#define CFG_SRAM 0xF1000000 +#define CFG_FPGA 0xF2000000 +#define CFG_CF1 0xF0000000 +#define CFG_CF2 0xF0100000 + +/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */ +#define CFG_EBC_PB0AP 0x02010000 /* TWT=4,OEN=1 */ +#define CFG_EBC_PB0CR (CFG_FLASH | 0x18000) /* BS=1MB,BU=R/W,BW=8bit */ + +/* Memory Bank 1 (SRAM) initialization */ +#define CFG_EBC_PB1AP 0x01810040 /* TWT=3,OEN=1,BEM=1 */ +#define CFG_EBC_PB1CR (CFG_SRAM | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit */ + +/* Memory Bank 2 (FPGA) initialization */ +#define CFG_EBC_PB2AP 0x01010440 /* TWT=2,OEN=1,TH=2,BEM=1 */ +#define CFG_EBC_PB2CR (CFG_FPGA | 0x5A000) /* BS=4MB,BU=R/W,BW=16bit */ + +/* Memory Bank 3 (CompactFlash) initialization */ +#define CFG_EBC_PB3AP 0x080BD400 +#define CFG_EBC_PB3CR (CFG_CF1 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit */ + +/* Memory Bank 4 (CompactFlash) initialization */ +#define CFG_EBC_PB4AP 0x080BD400 +#define CFG_EBC_PB4CR (CFG_CF2 | 0x1A000) /* BS=1MB,BU=R/W,BW=16bit */ + +/*----------------------------------------------------------------------- + * PPC440 GPIO Configuration + */ +#define CFG_440_GPIO_TABLE { /* GPIO Alternate1 Alternate2 Alternate3 */ \ +{ \ +/* GPIO Core 0 */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO0 EBC_ADDR(7) DMA_REQ(2) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO1 EBC_ADDR(6) DMA_ACK(2) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO2 EBC_ADDR(5) DMA_EOT/TC(2) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO3 EBC_ADDR(4) DMA_REQ(3) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO4 EBC_ADDR(3) DMA_ACK(3) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO5 EBC_ADDR(2) DMA_EOT/TC(3) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO6 EBC_CS_N(1) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO7 EBC_CS_N(2) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO8 EBC_CS_N(3) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO9 EBC_CS_N(4) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO10 EBC_CS_N(5) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_SEL }, /* GPIO11 EBC_BUS_ERR */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO12 ZII_p0Rxd(0) */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO13 ZII_p0Rxd(1) */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO14 ZII_p0Rxd(2) */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO15 ZII_p0Rxd(3) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO16 ZII_p0Txd(0) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO17 ZII_p0Txd(1) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO18 ZII_p0Txd(2) */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO19 ZII_p0Txd(3) */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO20 ZII_p0Rx_er */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO21 ZII_p0Rx_dv */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO22 ZII_p0RxCrs */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO23 ZII_p0Tx_er */ \ +{ GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO24 ZII_p0Tx_en */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO25 ZII_p0Col */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO26 USB2D_RXVALID */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO27 EXT_EBC_REQ USB2D_RXERROR */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO28 USB2D_TXVALID */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO29 EBC_EXT_HDLA USB2D_PAD_SUSPNDM */ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO30 EBC_EXT_ACK USB2D_XCVRSELECT*/ \ +{ GPIO0_BASE, GPIO_IN, GPIO_SEL }, /* GPIO31 EBC_EXR_BUSREQ USB2D_TERMSELECT*/ \ +}, \ +{ \ +/* GPIO Core 1 */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO32 USB2D_OPMODE0 */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO33 USB2D_OPMODE1 */ \ +{ GPIO1_BASE, GPIO_OUT, GPIO_ALT3 }, /* GPIO34 UART0_DCD_N UART1_DSR_CTS_N UART2_SOUT*/ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT3 }, /* GPIO35 UART0_8PIN_DSR_N UART1_RTS_DTR_N UART2_SIN*/ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO36 UART0_8PIN_CTS_N UART3_SIN*/ \ +{ GPIO1_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO37 UART0_RTS_N */ \ +{ GPIO1_BASE, GPIO_OUT, GPIO_ALT2 }, /* GPIO38 UART0_DTR_N UART1_SOUT */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT2 }, /* GPIO39 UART0_RI_N UART1_SIN */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO40 UIC_IRQ(0) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO41 UIC_IRQ(1) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO42 UIC_IRQ(2) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO43 UIC_IRQ(3) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_ALT1 }, /* GPIO44 UIC_IRQ(4) DMA_ACK(1) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO45 UIC_IRQ(6) DMA_EOT/TC(1) */ \ +{ GPIO1_BASE, GPIO_BI, GPIO_SEL }, /* GPIO46 UIC_IRQ(7) DMA_REQ(0) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO47 UIC_IRQ(8) DMA_ACK(0) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO48 UIC_IRQ(9) DMA_EOT/TC(0) */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO49 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO50 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO51 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO52 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO53 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO54 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO55 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO56 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO57 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO58 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO59 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO60 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO61 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO62 Unselect via TraceSelect Bit */ \ +{ GPIO1_BASE, GPIO_IN, GPIO_SEL }, /* GPIO63 Unselect via TraceSelect Bit */ \ +} \ +} + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_DCACHE_SIZE (32<<10) /* For AMCC 440 CPUs */ +#define CFG_CACHELINE_SIZE 32 /* ... */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#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 + +#endif /* __CONFIG_H */ diff --git a/include/ppc440.h b/include/ppc440.h index 018f7be..53f14b5 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -1357,56 +1357,106 @@ /****************************************************************************** * GPIO macro register defines ******************************************************************************/ +#define GPIO0 0 +#define GPIO1 1 + #if defined(CONFIG_440GP) -#define GPIO_BASE0 (CFG_PERIPHERAL_BASE+0x00000700) +#define GPIO0_BASE (CFG_PERIPHERAL_BASE+0x00000700) -#define GPIO0_OR (GPIO_BASE0+0x0) -#define GPIO0_TCR (GPIO_BASE0+0x4) -#define GPIO0_ODR (GPIO_BASE0+0x18) -#define GPIO0_IR (GPIO_BASE0+0x1C) +#define GPIO0_OR (GPIO0_BASE+0x0) +#define GPIO0_TCR (GPIO0_BASE+0x4) +#define GPIO0_ODR (GPIO0_BASE+0x18) +#define GPIO0_IR (GPIO0_BASE+0x1C) #endif /* CONFIG_440GP */ #if defined(CONFIG_440EP) || defined(CONFIG_440GR) -#define GPIO_BASE0 (CFG_PERIPHERAL_BASE+0x00000B00) -#define GPIO_BASE1 (CFG_PERIPHERAL_BASE+0x00000C00) - -#define GPIO0_OR (GPIO_BASE0+0x0) -#define GPIO0_TCR (GPIO_BASE0+0x4) -#define GPIO0_OSRL (GPIO_BASE0+0x8) -#define GPIO0_OSRH (GPIO_BASE0+0xC) -#define GPIO0_TSRL (GPIO_BASE0+0x10) -#define GPIO0_TSRH (GPIO_BASE0+0x14) -#define GPIO0_ODR (GPIO_BASE0+0x18) -#define GPIO0_IR (GPIO_BASE0+0x1C) -#define GPIO0_RR1 (GPIO_BASE0+0x20) -#define GPIO0_RR2 (GPIO_BASE0+0x24) -#define GPIO0_RR3 (GPIO_BASE0+0x28) -#define GPIO0_ISR1L (GPIO_BASE0+0x30) -#define GPIO0_ISR1H (GPIO_BASE0+0x34) -#define GPIO0_ISR2L (GPIO_BASE0+0x38) -#define GPIO0_ISR2H (GPIO_BASE0+0x3C) -#define GPIO0_ISR3L (GPIO_BASE0+0x40) -#define GPIO0_ISR3H (GPIO_BASE0+0x44) - -#define GPIO1_OR (GPIO_BASE1+0x0) -#define GPIO1_TCR (GPIO_BASE1+0x4) -#define GPIO1_OSRL (GPIO_BASE1+0x8) -#define GPIO1_OSRH (GPIO_BASE1+0xC) -#define GPIO1_TSRL (GPIO_BASE1+0x10) -#define GPIO1_TSRH (GPIO_BASE1+0x14) -#define GPIO1_ODR (GPIO_BASE1+0x18) -#define GPIO1_IR (GPIO_BASE1+0x1C) -#define GPIO1_RR1 (GPIO_BASE1+0x20) -#define GPIO1_RR2 (GPIO_BASE1+0x24) -#define GPIO1_RR3 (GPIO_BASE1+0x28) -#define GPIO1_ISR1L (GPIO_BASE1+0x30) -#define GPIO1_ISR1H (GPIO_BASE1+0x34) -#define GPIO1_ISR2L (GPIO_BASE1+0x38) -#define GPIO1_ISR2H (GPIO_BASE1+0x3C) -#define GPIO1_ISR3L (GPIO_BASE1+0x40) -#define GPIO1_ISR3H (GPIO_BASE1+0x44) +#define GPIO0_BASE (CFG_PERIPHERAL_BASE+0x00000B00) +#define GPIO1_BASE (CFG_PERIPHERAL_BASE+0x00000C00) + +/* Offsets */ +#define GPIOx_OR 0x00 /* GPIO Output Register */ +#define GPIOx_TCR 0x04 /* GPIO Three-State Control Register */ +#define GPIOx_OSL 0x08 /* GPIO Output Select Register (Bits 0-31) */ +#define GPIOx_OSH 0x0C /* GPIO Ouput Select Register (Bits 32-63) */ +#define GPIOx_TSL 0x10 /* GPIO Three-State Select Register (Bits 0-31) */ +#define GPIOx_TSH 0x14 /* GPIO Three-State Select Register (Bits 32-63) */ +#define GPIOx_ODR 0x18 /* GPIO Open drain Register */ +#define GPIOx_IR 0x1C /* GPIO Input Register */ +#define GPIOx_RR1 0x20 /* GPIO Receive Register 1 */ +#define GPIOx_RR2 0x24 /* GPIO Receive Register 2 */ +#define GPIOx_RR3 0x28 /* GPIO Receive Register 3 */ +#define GPIOx_IS1L 0x30 /* GPIO Input Select Register 1 (Bits 0-31) */ +#define GPIOx_IS1H 0x34 /* GPIO Input Select Register 1 (Bits 32-63) */ +#define GPIOx_IS2L 0x38 /* GPIO Input Select Register 2 (Bits 0-31) */ +#define GPIOx_IS2H 0x3C /* GPIO Input Select Register 2 (Bits 32-63) */ +#define GPIOx_IS3L 0x40 /* GPIO Input Select Register 3 (Bits 0-31) */ +#define GPIOx_IS3H 0x44 /* GPIO Input Select Register 3 (Bits 32-63) */ + +#define GPIO_OS(x) (x+GPIOx_OSL) /* GPIO Output Register High or Low */ +#define GPIO_TS(x) (x+GPIOx_TSL) /* GPIO Three-state Control Reg High or Low */ +#define GPIO_IS1(x) (x+GPIOx_IS1L) /* GPIO Input register1 High or Low */ +#define GPIO_IS2(x) (x+GPIOx_IS2L) /* GPIO Input register2 High or Low */ +#define GPIO_IS3(x) (x+GPIOx_IS3L) /* GPIO Input register3 High or Low */ + +#define GPIO0_OR (GPIO0_BASE+0x0) +#define GPIO0_TCR (GPIO0_BASE+0x4) +#define GPIO0_OSRL (GPIO0_BASE+0x8) +#define GPIO0_OSRH (GPIO0_BASE+0xC) +#define GPIO0_TSRL (GPIO0_BASE+0x10) +#define GPIO0_TSRH (GPIO0_BASE+0x14) +#define GPIO0_ODR (GPIO0_BASE+0x18) +#define GPIO0_IR (GPIO0_BASE+0x1C) +#define GPIO0_RR1 (GPIO0_BASE+0x20) +#define GPIO0_RR2 (GPIO0_BASE+0x24) +#define GPIO0_RR3 (GPIO0_BASE+0x28) +#define GPIO0_ISR1L (GPIO0_BASE+0x30) +#define GPIO0_ISR1H (GPIO0_BASE+0x34) +#define GPIO0_ISR2L (GPIO0_BASE+0x38) +#define GPIO0_ISR2H (GPIO0_BASE+0x3C) +#define GPIO0_ISR3L (GPIO0_BASE+0x40) +#define GPIO0_ISR3H (GPIO0_BASE+0x44) + +#define GPIO1_OR (GPIO1_BASE+0x0) +#define GPIO1_TCR (GPIO1_BASE+0x4) +#define GPIO1_OSRL (GPIO1_BASE+0x8) +#define GPIO1_OSRH (GPIO1_BASE+0xC) +#define GPIO1_TSRL (GPIO1_BASE+0x10) +#define GPIO1_TSRH (GPIO1_BASE+0x14) +#define GPIO1_ODR (GPIO1_BASE+0x18) +#define GPIO1_IR (GPIO1_BASE+0x1C) +#define GPIO1_RR1 (GPIO1_BASE+0x20) +#define GPIO1_RR2 (GPIO1_BASE+0x24) +#define GPIO1_RR3 (GPIO1_BASE+0x28) +#define GPIO1_ISR1L (GPIO1_BASE+0x30) +#define GPIO1_ISR1H (GPIO1_BASE+0x34) +#define GPIO1_ISR2L (GPIO1_BASE+0x38) +#define GPIO1_ISR2H (GPIO1_BASE+0x3C) +#define GPIO1_ISR3L (GPIO1_BASE+0x40) +#define GPIO1_ISR3H (GPIO1_BASE+0x44) #endif +#define GPIO_GROUP_MAX 2 +#define GPIO_MAX 32 +#define GPIO_ALT1_SEL 0x40000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 0 */ +#define GPIO_ALT2_SEL 0x80000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 1 */ +#define GPIO_ALT3_SEL 0xC0000000 /* GPIO_OUT value put in GPIO_TSx for the GPIO nb 2 */ +#define GPIO_MASK 0xC0000000 /* GPIO_MASK */ +#define GPIO_IN_SEL 0x40000000 /* GPIO_IN value put in GPIO_ISx for the GPIO nb 0 */ + /* For the other GPIO number, you must shift */ + +#ifndef __ASSEMBLY__ + +typedef enum gpio_select { GPIO_SEL, GPIO_ALT1, GPIO_ALT2, GPIO_ALT3 } gpio_select_t; +typedef enum gpio_driver { GPIO_DIS, GPIO_IN, GPIO_OUT, GPIO_BI } gpio_driver_t; + +typedef struct { unsigned long add; /* gpio core base address */ + gpio_driver_t in_out; /* Driver Setting */ + gpio_select_t alt_nb; /* Selected Alternate */ +} gpio_param_s; + + +#endif /* __ASSEMBLY__ */ + /* * Macros for accessing the indirect EBC registers */ -- cgit v0.10.2