diff options
Diffstat (limited to 'u-boot/board/flagadm')
| -rw-r--r-- | u-boot/board/flagadm/Makefile | 44 | ||||
| -rw-r--r-- | u-boot/board/flagadm/flagadm.c | 150 | ||||
| -rw-r--r-- | u-boot/board/flagadm/flash.c | 703 | ||||
| -rw-r--r-- | u-boot/board/flagadm/u-boot.lds | 95 | ||||
| -rw-r--r-- | u-boot/board/flagadm/u-boot.lds.debug | 135 |
5 files changed, 1127 insertions, 0 deletions
diff --git a/u-boot/board/flagadm/Makefile b/u-boot/board/flagadm/Makefile new file mode 100644 index 0000000..12e4aa6 --- /dev/null +++ b/u-boot/board/flagadm/Makefile @@ -0,0 +1,44 @@ +# +# (C) Copyright 2001-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS = $(BOARD).o flash.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/flagadm/flagadm.c b/u-boot/board/flagadm/flagadm.c new file mode 100644 index 0000000..dc9e2dc --- /dev/null +++ b/u-boot/board/flagadm/flagadm.c @@ -0,0 +1,150 @@ +/* + * (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 <mpc8xx.h> + +#define _NOT_USED_ 0xFFFFFFFF + +/*Orginal table, GPL4 disabled*/ +const uint sdram_table[] = +{ + /* single read (offset 0x00 in upm ram) */ + 0x1f07cc04, 0xeeaeec04, 0x11adcc04, 0xefbbac00, + 0x1ff74c47, + /* Precharge */ + 0x1FF74C05, + _NOT_USED_, + _NOT_USED_, + /* burst read (offset 0x08 in upm ram) */ + 0x1f07cc04, 0xeeaeec04, 0x00adcc04, 0x00afcc00, + 0x00afcc00, 0x01afcc00, 0x0fbb8c00, 0x1ff74c47, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* single write (offset 0x18 in upm ram) */ + 0x1f27cc04, 0xeeaeac00, 0x01b90c04, 0x1ff74c47, + /* Load moderegister */ + 0x1FF74C34, /*Precharge*/ + 0xEFEA8C34, /*NOP*/ + 0x1FB54C35, /*Load moderegister*/ + _NOT_USED_, + + /* burst write (offset 0x20 in upm ram) */ + 0x1f07cc04, 0xeeaeac00, 0x00ad4c00, 0x00afcc00, + 0x00afcc00, 0x01bb8c04, 0x1ff74c47, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* refresh (offset 0x30 in upm ram) */ + 0x1ff5cc84, 0xffffec04, 0xffffec04, 0xffffec04, + 0xffffec84, 0xffffec07, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* exception (offset 0x3C in upm ram) */ + 0x7fffec07, _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +/* GPL5 driven every cycle */ +/* the display and the DSP */ +const uint dsp_disp_table[] = +{ + /* single read (offset 0x00 in upm ram) */ + 0xffffc80c, 0xffffc004, 0x0fffc004, 0x0fffd004, + 0x0fffc000, 0x0fffc004, 0x3fffc004, 0xffffcc05, + /* burst read (offset 0x08 in upm ram) */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* single write (offset 0x18 in upm ram) */ + 0xffffcc0c, 0xffffc004, 0x0fffc004, 0x0fffd004, + 0x0fffc000, 0x0fffc004, 0x7fffc004, 0xfffffc05, + /* burst write (offset 0x20 in upm ram) */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* refresh (offset 0x30 in upm ram) */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + /* exception (offset 0x3C in upm ram) */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, +}; + +int checkboard (void) +{ + puts ("Board: FlagaDM V3.0\n"); + return 0; +} + +phys_size_t initdram (int board_type) +{ + volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + long int size_b0; + + memctl->memc_or2 = CONFIG_SYS_OR2; + memctl->memc_br2 = CONFIG_SYS_BR2; + + udelay(100); + upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); + + memctl->memc_mptpr = MPTPR_PTP_DIV16; + memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_1X; + + /*Do the initialization of the SDRAM*/ + /*Start with the precharge cycle*/ + memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ + MCR_MLCF(1) | MCR_MAD(0x5)); + + /*Then we need two refresh cycles*/ + memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_2X; + memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ + MCR_MLCF(2) | MCR_MAD(0x30)); + + /*Mode register programming*/ + memctl->memc_mar = 0x00000088; /*CAS Latency = 2 and burst length = 4*/ + memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ + MCR_MLCF(1) | MCR_MAD(0x1C)); + + /* That should do it, just enable the periodic refresh in burst of 4*/ + memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_4X; + memctl->memc_mamr |= (MAMR_PTAE | MAMR_GPL_A4DIS); + + size_b0 = 16*1024*1024; + + /* + * No bank 1 or 3 + * invalidate bank + */ + memctl->memc_br1 = 0; + memctl->memc_br3 = 0; + + upmconfig(UPMB, (uint *)dsp_disp_table, sizeof(dsp_disp_table)/sizeof(uint)); + + memctl->memc_mbmr = MBMR_GPL_B4DIS; + + memctl->memc_or4 = CONFIG_SYS_OR4; + memctl->memc_br4 = CONFIG_SYS_BR4; + + return (size_b0); +} diff --git a/u-boot/board/flagadm/flash.c b/u-boot/board/flagadm/flash.c new file mode 100644 index 0000000..a69b1a4 --- /dev/null +++ b/u-boot/board/flagadm/flash.c @@ -0,0 +1,703 @@ +/* + * (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 <mpc8xx.h> +#include <flash.h> + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +ulong flash_recognize (vu_long *base); +int write_word (flash_info_t *info, ulong dest, ulong data); +void flash_get_geometry (vu_long *base, flash_info_t *info); +void flash_unprotect(flash_info_t *info); +int _flash_real_protect(flash_info_t *info, long idx, int on); + + +unsigned long flash_init (void) +{ + volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + int i; + int rec; + + for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + *((vu_short*)CONFIG_SYS_FLASH_BASE) = 0xffff; + + flash_get_geometry ((vu_long*)CONFIG_SYS_FLASH_BASE, &flash_info[0]); + + /* Remap FLASH according to real size */ + memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-flash_info[0].size & 0xFFFF8000); + memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | + (memctl->memc_br0 & ~(BR_BA_MSK)); + + rec = flash_recognize((vu_long*)CONFIG_SYS_FLASH_BASE); + + if (rec == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + flash_info[0].size, flash_info[0].size<<20); + } + +#if CONFIG_SYS_FLASH_PROTECTION + /*Unprotect all the flash memory*/ + flash_unprotect(&flash_info[0]); +#endif + + *((vu_short*)CONFIG_SYS_FLASH_BASE) = 0xffff; + + return (flash_info[0].size); + +#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, + &flash_info[0]); +#endif + +#ifdef CONFIG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_ENV_OFFSET, + CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE-1, + &flash_info[0]); +#endif + return (flash_info[0].size); +} + + +int flash_get_protect_status(flash_info_t * info, long idx) +{ + vu_short * base; + ushort res; + +#ifdef DEBUG + printf("\n Attempting to set protection info with %d sectors\n", info->sector_count); +#endif + + + base = (vu_short*)info->start[idx]; + + *(base) = 0xffff; + + *(base + 0x55) = 0x0098; + res = base[0x2]; + + *(base) = 0xffff; + + if(res != 0) + res = 1; + else + res = 0; + + return res; +} + +void flash_get_geometry (vu_long *base, flash_info_t *info) +{ + int i,j; + ulong ner = 0; + vu_short * sb = (vu_short*)base; + ulong offset = (ulong)base; + + /* Read Device geometry */ + + *sb = 0xffff; + + *sb = 0x0090; + + info->flash_id = ((ulong)base[0x0]); +#ifdef DEBUG + printf("Id is %x\n", (uint)(ulong)info->flash_id); +#endif + + *sb = 0xffff; + + *(sb+0x55) = 0x0098; + + info->size = 1 << (sb[0x27]); /* Read flash size */ + +#ifdef DEBUG + printf("Size is %x\n", (uint)(ulong)info->size); +#endif + + *sb = 0xffff; + + *(sb + 0x55) = 0x0098; + ner = sb[0x2c] ; /*Number of erase regions*/ + +#ifdef DEBUG + printf("Number of erase regions %x\n", (uint)ner); +#endif + + info->sector_count = 0; + + for(i = 0; i < ner; i++) + { + uint s; + uint count; + uint t1,t2,t3,t4; + + *sb = 0xffff; + + *(sb + 0x55) = 0x0098; + + t1 = sb[0x2d + i*4]; + t2 = sb[0x2e + i*4]; + t3 = sb[0x2f + i*4]; + t4 = sb[0x30 + i*4]; + + count = ((t1 & 0x00ff) | (((t2 & 0x00ff) << 8) & 0xff00) )+ 1; /*sector count*/ + s = ((t3 & 0x00ff) | (((t4 & 0x00ff) << 8) & 0xff00)) * 256;; /*Sector size*/ + +#ifdef DEBUG + printf("count and size %x, %x\n", count, s); + printf("sector count for erase region %d is %d\n", i, count); +#endif + for(j = 0; j < count; j++) + { +#ifdef DEBUG + printf("%x, ", (uint)offset); +#endif + info->start[ info->sector_count + j] = offset; + offset += s; + } + info->sector_count += count; + } + + if ((offset - (ulong)base) != info->size) + printf("WARNING reported size %x does not match to calculted size %x.\n" + , (uint)info->size, (uint)(offset - (ulong)base) ); + + /* Next check if there are any sectors protected.*/ + + for(i = 0; i < info->sector_count; i++) + info->protect[i] = flash_get_protect_status(info, i); + + *sb = 0xffff; +} + +/*----------------------------------------------------------------------- + */ +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 INTEL_MANUFACT & FLASH_VENDMASK: + printf ("Intel "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case INTEL_ID_28F320C3B & FLASH_TYPEMASK: + printf ("28F320RC3(4 MB)\n"); + break; + case INTEL_ID_28F320J3A: + printf("28F320J3A (4 MB)\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 % 4) == 0) + printf ("\n "); + printf (" %02d %08lX%s", + i, info->start[i], + info->protect[i]!=0 ? " (RO)" : " " + ); + } + printf ("\n"); + return ; +} + +ulong flash_recognize (vu_long *base) +{ + ulong id; + ulong res = FLASH_UNKNOWN; + vu_short * sb = (vu_short*)base; + + *sb = 0xffff; + + *sb = 0x0090; + id = base[0]; + + switch (id & 0x00FF0000) + { + case (MT_MANUFACT & 0x00FF0000): /* MT or => Intel */ + case (INTEL_ALT_MANU & 0x00FF0000): + res = FLASH_MAN_INTEL; + break; + default: + res = FLASH_UNKNOWN; + } + + *sb = 0xffff; + + return res; +} + +/*-----------------------------------------------------------------------*/ +#define INTEL_FLASH_STATUS_BLS 0x02 +#define INTEL_FLASH_STATUS_PSS 0x04 +#define INTEL_FLASH_STATUS_VPPS 0x08 +#define INTEL_FLASH_STATUS_PS 0x10 +#define INTEL_FLASH_STATUS_ES 0x20 +#define INTEL_FLASH_STATUS_ESS 0x40 +#define INTEL_FLASH_STATUS_WSMS 0x80 + +int flash_decode_status_bits(char status) +{ + int err = 0; + + if(!(status & INTEL_FLASH_STATUS_WSMS)) { + printf("Busy\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_ESS) { + printf("Erase suspended\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_ES) { + printf("Error in block erase\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_PS) { + printf("Error in programming\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_VPPS) { + printf("Vpp low, operation aborted\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_PSS) { + printf("Program is suspended\n"); + err = -1; + } + + if(status & INTEL_FLASH_STATUS_BLS) { + printf("Attempting to program/erase a locked sector\n"); + err = -1; + } + + if((status & INTEL_FLASH_STATUS_PS) && + (status & INTEL_FLASH_STATUS_ES) && + (status & INTEL_FLASH_STATUS_ESS)) { + printf("A command sequence error\n"); + return -1; + } + + return err; +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + vu_short *addr; + int flag, prot, sect; + ulong start, now; + 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; + } + + if ((info->flash_id & FLASH_VENDMASK) != (INTEL_MANUFACT & FLASH_VENDMASK)) { + 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); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + char tmp; + + if (info->protect[sect] == 0) { /* not protected */ + addr = (vu_short *)(info->start[sect]); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Single Block Erase Command */ + *addr = 0x0020; + /* Confirm */ + *addr = 0x00D0; + /* Resume Command, as per errata update */ + *addr = 0x00D0; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + *addr = 0x70; /*Read status register command*/ + tmp = (short)*addr & 0x00FF; /* Read the status */ + while (!(tmp & INTEL_FLASH_STATUS_WSMS)) { + if ((now=get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { + *addr = 0x0050; /* Reset the status register */ + *addr = 0xffff; + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - start) > 1000) { /* every second */ + putc ('.'); + } + udelay(100000); /* 100 ms */ + *addr = 0x0070; /*Read status register command*/ + tmp = (short)*addr & 0x00FF; /* Read status */ + start = get_timer(0); + } + if( tmp & INTEL_FLASH_STATUS_ES ) + flash_decode_status_bits(tmp); + + *addr = 0x0050; /* Reset the status register */ + *addr = 0xffff; /* Reset to read mode */ + } + } + + + printf (" done\n"); + return rcode; +} + +void flash_unprotect (flash_info_t *info) +{ + /*We can only unprotect the whole flash at once*/ + /*Therefore we must prevent the _flash_real_protect()*/ + /*from re-protecting sectors, that ware protected before */ + /*we called flash_real_protect();*/ + + int i; + + for(i = 0; i < info->sector_count; i++) + info->protect[i] = 0; + +#ifdef CONFIG_SYS_FLASH_PROTECTION + _flash_real_protect(info, 0, 0); +#endif +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i<l; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + for (; i<4 && cnt>0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, 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 + */ +int write_word (flash_info_t *info, ulong dest, ulong da) +{ + vu_short *addr = (vu_short *)dest; + ulong start; + char csr; + int flag; + int i; + union { + u32 data32; + u16 data16[2]; + } data; + + data.data32 = da; + + /* Check if Flash is (sufficiently) erased */ + if (((*addr & data.data16[0]) != data.data16[0]) || + ((*(addr+1) & data.data16[1]) != data.data16[1])) { + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + for(i = 0; i < 2; i++) + { + /* Write Command */ + *addr = 0x0010; + + /* Write Data */ + *addr = data.data16[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + flag = 0; + *addr = 0x0070; /*Read statusregister command */ + while (((csr = *addr) & INTEL_FLASH_STATUS_WSMS)!=INTEL_FLASH_STATUS_WSMS) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { + flag = 1; + break; + } + *addr = 0x0070; /*Read statusregister command */ + } + if (csr & INTEL_FLASH_STATUS_PSS) { + printf ("CSR indicates write error (%0x) at %08lx\n", + csr, (ulong)addr); + flag = 1; + } + + /* Clear Status Registers Command */ + *addr = 0x0050; + /* Reset to read array mode */ + *addr = 0xffff; + addr++; + } + + return (flag); +} + +int flash_real_protect(flash_info_t *info, long offset, int prot) +{ + int i, idx; + + for(idx = 0; idx < info->sector_count; idx++) + if(info->start[idx] == offset) + break; + + if(idx==info->sector_count) + return -1; + + if(prot == 0) { + /* Unprotect one sector, which means unprotect all flash + * and reprotect the other protected sectors. + */ + _flash_real_protect(info, 0, 0); /* Unprotects the whole flash*/ + info->protect[idx] = 0; + + for(i = 0; i < info->sector_count; i++) + if(info->protect[i]) + _flash_real_protect(info, i, 1); + } + else { + /* We can protect individual sectors */ + _flash_real_protect(info, idx, 1); + } + + for( i = 0; i < info->sector_count; i++) + info->protect[i] = flash_get_protect_status(info, i); + + return 0; +} + +int _flash_real_protect(flash_info_t *info, long idx, int prot) +{ + vu_short *addr; + int flag; + ushort cmd; + ushort tmp; + ulong now, start; + + if ((info->flash_id & FLASH_VENDMASK) != (INTEL_MANUFACT & FLASH_VENDMASK)) { + printf ("Can't change protection for unknown flash type %08lx - aborted\n", + info->flash_id); + return -1; + } + + if(prot == 0) { + /*Unlock the sector*/ + cmd = 0x00D0; + } + else { + /*Lock the sector*/ + cmd = 0x0001; + } + + addr = (vu_short *)(info->start[idx]); + + /* If chip is busy, wait for it */ + start = get_timer(0); + *addr = 0x0070; /*Read status register command*/ + tmp = ((ushort)(*addr))&0x00ff; /*Read the status*/ + while(!(tmp & INTEL_FLASH_STATUS_WSMS)) { + /*Write State Machine Busy*/ + /*Wait untill done or timeout.*/ + if ((now=get_timer(start)) > CONFIG_SYS_FLASH_WRITE_TOUT) { + *addr = 0x0050; /* Reset the status register */ + *addr = 0xffff; /* Reset the chip */ + printf ("TTimeout\n"); + return 1; + } + *addr = 0x0070; + tmp = ((ushort)(*addr))&0x00ff; /*Read the status*/ + start = get_timer(0); + } + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Unlock block*/ + *addr = 0x0060; + + *addr = cmd; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + start = get_timer(0); + *addr = 0x0070; /*Read status register command*/ + tmp = ((ushort)(*addr)) & 0x00FF; /* Read the status */ + while (!(tmp & INTEL_FLASH_STATUS_WSMS)) { + /* Write State Machine Busy */ + if ((now=get_timer(start)) > CONFIG_SYS_FLASH_WRITE_TOUT) { + *addr = 0x0050; /* Reset the status register */ + *addr = 0xffff; + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - start) > 1000) { /* every second */ + putc ('.'); + } + udelay(100000); /* 100 ms */ + *addr = 0x70; /*Read status register command*/ + tmp = (short)*addr & 0x00FF; /* Read status */ + start = get_timer(0); + } + if( tmp & INTEL_FLASH_STATUS_PS ) + flash_decode_status_bits(tmp); + + *addr =0x0050; /*Clear status register*/ + + /* reset to read mode */ + *addr = 0xffff; + + return 0; +} diff --git a/u-boot/board/flagadm/u-boot.lds b/u-boot/board/flagadm/u-boot.lds new file mode 100644 index 0000000..4a96388 --- /dev/null +++ b/u-boot/board/flagadm/u-boot.lds @@ -0,0 +1,95 @@ +/* + * (C) Copyright 2001-2010 + * 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) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .text : + { + arch/powerpc/cpu/mpc8xx/start.o (.text*) + arch/powerpc/cpu/mpc8xx/traps.o (.text*) + + *(.text*) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + KEEP(*(.got)) + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data*) + *(.sdata*) + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.bss*) + *(.sbss*) + *(COMMON) + . = ALIGN(4); + } + _end = . ; + PROVIDE (end = .); +} diff --git a/u-boot/board/flagadm/u-boot.lds.debug b/u-boot/board/flagadm/u-boot.lds.debug new file mode 100644 index 0000000..99098bf --- /dev/null +++ b/u-boot/board/flagadm/u-boot.lds.debug @@ -0,0 +1,135 @@ +/* + * (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 + */ + +OUTPUT_ARCH(powerpc) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + arch/powerpc/cpu/mpc8xx/start.o (.text) + common/dlmalloc.o (.text) + lib/vsprintf.o (.text) + lib/crc32.o (.text) + + . = env_offset; + common/env_embedded.o(.text) + + *(.text) + *(.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: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _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(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |