From patchwork Thu Aug 9 13:33:08 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yann Vernier X-Patchwork-Id: 176100 X-Patchwork-Delegate: albert.aribaud@free.fr Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 43A912C00E3 for ; Thu, 9 Aug 2012 23:41:53 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0461D280EF; Thu, 9 Aug 2012 15:41:52 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zqtbJRCc+yDn; Thu, 9 Aug 2012 15:41:51 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9091D28115; Thu, 9 Aug 2012 15:41:48 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4DF5628115 for ; Thu, 9 Aug 2012 15:41:45 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ghRDhbFxSyqt for ; Thu, 9 Aug 2012 15:41:43 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-lb0-f172.google.com (mail-lb0-f172.google.com [209.85.217.172]) by theia.denx.de (Postfix) with ESMTPS id 898CA280EF for ; Thu, 9 Aug 2012 15:41:41 +0200 (CEST) Received: by lbbgg6 with SMTP id gg6so274708lbb.3 for ; Thu, 09 Aug 2012 06:41:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:organization :x-mailer:mime-version:content-type:content-transfer-encoding :x-gm-message-state; bh=EAG+825OnMNdUfQudeUs73cBMRbxVjACwbdOfnDcMps=; b=dFE0AQhK5sh83FTyiSnla/QPXmjgSQaA0wBk1unEOXywyYNUl3yEGym3KaErGlrKP8 O+mlI5IPnbRXh2lWV2klqX8CYqOaz3R0ojmjPD280J0mnrfo1DcuzFI00QDkLtP6/0cs 3ISF+ryEjQFy7FvmxUwfs3JTonw7OFPifTq3rRbF0uHOoMOANF4WqRpYDTHrcOcvbOlF G/FaH3l8haY0Qd74/AKpNjCzWWBZkG97ISdp7VjfZ1aSQB88tZgocBeP+lsY3f237bD3 CRed7LvVzUzCFd2x/4oK8EjLhkZv4srlWgR1gypThtOU1YlRhHCwCDFE8A7jCsz6uG0U qPiA== Received: by 10.152.103.146 with SMTP id fw18mr22148607lab.30.1344519205237; Thu, 09 Aug 2012 06:33:25 -0700 (PDT) Received: from latmask.vernier.se (c213-89-175-97.bredband.comhem.se. [213.89.175.97]) by mx.google.com with ESMTPS id j1sm346281lby.8.2012.08.09.06.33.24 (version=SSLv3 cipher=OTHER); Thu, 09 Aug 2012 06:33:24 -0700 (PDT) Date: Thu, 9 Aug 2012 15:33:08 +0200 From: Yann Vernier To: u-boot@lists.denx.de Message-ID: <20120809153308.301e173b@latmask.vernier.se> In-Reply-To: <20120706133342.47ace724@aari01-12> References: <20120706133342.47ace724@aari01-12> Organization: ORSoC AB X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 X-Gm-Message-State: ALoCoQlSMIOOB/g7jfFWcSP5mjuQC2hsxxj5t13Xt2omRVxisaj89b0kgB0juxYCgreOjghVyJLl Subject: [U-Boot] [PATCH 04/11] arm: cm4008, cm41xx: use common cfi_flash support X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This change allows use of other flash chips than the two supported by the cm4008 flash.c. Tested with Micrel KSZ8695X demo board. --- Changes for v2: - Update cm41xx also - Remove unused board specific flash code Changes for v3: - Do not define to 1 where it is not required, just define Changes for v4: - Define flash bank characteristics (for big constant cleanup) - Poll status for AMD flash (as on KS8695X demo board) Signed-off-by: Yann Vernier --- board/cm4008/Makefile | 2 +- board/cm4008/flash.c | 410 ---------------------------------------------- board/cm41xx/Makefile | 2 +- board/cm41xx/flash.c | 410 ---------------------------------------------- include/configs/cm4008.h | 17 +- include/configs/cm41xx.h | 23 ++- 6 files changed, 36 insertions(+), 828 deletions(-) delete mode 100644 board/cm4008/flash.c delete mode 100644 board/cm41xx/flash.c on one chip */ diff --git a/board/cm4008/Makefile b/board/cm4008/Makefile index 5b98824..dac422b 100644 --- a/board/cm4008/Makefile +++ b/board/cm4008/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).o -COBJS := cm4008.o flash.o +COBJS := cm4008.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/cm4008/flash.c b/board/cm4008/flash.c deleted file mode 100644 index 5522bf0..0000000 --- a/board/cm4008/flash.c +++ /dev/null @@ -1,410 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, unsigned char data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - case 1: - /* ignore for now */ - flash_info[i].flash_id = FLASH_UNKNOWN; - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + _bss_start_ofs, - &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) - return; - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info) -{ - volatile unsigned char value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = 0xAA; - addr[0x2AAA] = 0x55; - addr[0x5555] = 0x90; - - mb (); - value = addr[0]; - - switch (value) { - - case (unsigned char)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = 0xFF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[2]; /* device ID */ - - switch (value) { - - case (unsigned char)INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (unsigned char)INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = 0xFF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int prot, sect; - ulong type; - int rcode = 0; - ulong start; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - else - printf ("\n"); - - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - volatile unsigned char *addr; - unsigned char status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - addr = (volatile unsigned char *) (info->start[sect]); - *addr = 0x50; /* clear status register */ - *addr = 0x20; /* erase setup */ - *addr = 0xD0; /* erase confirm */ - - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0xB0; /* suspend erase */ - *addr = 0xFF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x50; /* clear status register cmd */ - *addr = 0xFF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - unsigned char data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) - return 4; - - wp = addr; - port_width = 1; - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, unsigned char data) -{ - volatile unsigned char *addr = (volatile unsigned char *) dest; - ulong status; - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, - (ulong) * addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - *addr = 0x40; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = 0xFF; /* restore read mode */ - return (1); - } - } - - *addr = 0xFF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/board/cm41xx/Makefile b/board/cm41xx/Makefile index 6214f8c..d49fce1 100644 --- a/board/cm41xx/Makefile +++ b/board/cm41xx/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).o -COBJS := cm41xx.o flash.o +COBJS := cm41xx.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/cm41xx/flash.c b/board/cm41xx/flash.c deleted file mode 100644 index 5522bf0..0000000 --- a/board/cm41xx/flash.c +++ /dev/null @@ -1,410 +0,0 @@ -/* - * (C) Copyright 2005 - * Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, unsigned char data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - case 1: - /* ignore for now */ - flash_info[i].flash_id = FLASH_UNKNOWN; - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + _bss_start_ofs, - &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) - return; - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (unsigned char * addr, flash_info_t * info) -{ - volatile unsigned char value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = 0xAA; - addr[0x2AAA] = 0x55; - addr[0x5555] = 0x90; - - mb (); - value = addr[0]; - - switch (value) { - - case (unsigned char)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = 0xFF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[2]; /* device ID */ - - switch (value) { - - case (unsigned char)INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 8 MB */ - - case (unsigned char)INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = 0xFF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int prot, sect; - ulong type; - int rcode = 0; - ulong start; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - else - printf ("\n"); - - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - volatile unsigned char *addr; - unsigned char status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - addr = (volatile unsigned char *) (info->start[sect]); - *addr = 0x50; /* clear status register */ - *addr = 0x20; /* erase setup */ - *addr = 0xD0; /* erase confirm */ - - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0xB0; /* suspend erase */ - *addr = 0xFF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = 0x50; /* clear status register cmd */ - *addr = 0xFF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - unsigned char data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) - return 4; - - wp = addr; - port_width = 1; - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, data)) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, unsigned char data) -{ - volatile unsigned char *addr = (volatile unsigned char *) dest; - ulong status; - ulong start; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, - (ulong) * addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - disable_interrupts(); - - *addr = 0x40; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - start = get_timer(0); - - /* wait while polling the status register */ - while (((status = *addr) & 0x80) != 0x80) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = 0xFF; /* restore read mode */ - return (1); - } - } - - *addr = 0xFF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/include/configs/cm4008.h b/include/configs/cm4008.h index 408e918..fe62f73 100644 --- a/include/configs/cm4008.h +++ b/include/configs/cm4008.h @@ -116,13 +116,24 @@ #define CONFIG_SYS_INIT_SP_ADDR 0x00020000 /* lowest 128k of RAM */ -#define PHYS_FLASH_1 0x02000000 /* Flash Bank #1 */ -#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */ -#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 +/* CONFIG_SYS_TEXT_BASE and CONFIG_SYS_FLASH_BASE must match for both + relocation in lowlevel_init.S and function array in board.c */ +#define CONFIG_SYS_TEXT_BASE 0x02000000 +#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_RCS0_BASE CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_RCS0_SIZE 0x400000 +#define CONFIG_SYS_RCS1_BASE (CONFIG_SYS_RCS0_BASE+CONFIG_SYS_RCS0_SIZE) +#define CONFIG_SYS_RCS1_SIZE 0x400000 + +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT +#define CONFIG_SYS_CFI_FLASH_STATUS_POLL /*----------------------------------------------------------------------- * FLASH and environment organization */ +#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_RCS0_BASE, CONFIG_SYS_RCS1_BASE} #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MAX_FLASH_SECT (128) /* max number of sectors on one chip */ diff --git a/include/configs/cm41xx.h b/include/configs/cm41xx.h index d85a600..485792c 100644 --- a/include/configs/cm41xx.h +++ b/include/configs/cm41xx.h @@ -116,13 +116,30 @@ #define CONFIG_SYS_INIT_SP_ADDR 0x00020000 /* lowest 128k of RAM */ -#define PHYS_FLASH_1 0x02000000 /* Flash Bank #1 */ -#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */ -#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 +/* CONFIG_SYS_TEXT_BASE and CONFIG_SYS_RCS0_BASE must match for both + relocation in lowlevel_init.S and function array in board.c */ +#define CONFIG_SYS_TEXT_BASE 0x02000000 +#define CONFIG_SYS_RCS0_BASE CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_RCS0_SIZE 0x400000 +#define CONFIG_SYS_RCS1_BASE (CONFIG_SYS_RCS0_BASE+CONFIG_SYS_RCS0_SIZE) +#define CONFIG_SYS_RCS1_SIZE 0x400000 +#define CONFIG_SYS_ECS0_BASE (CONFIG_SYS_RCS1_BASE+CONFIG_SYS_RCS1_SIZE) +#define CONFIG_SYS_ECS0_SIZE 0x400000 +#define CONFIG_SYS_ECS0_SPEED 0xb6d +#define CONFIG_SYS_ECS0_WIDTH KS8695_BUS_WIDTH_8 +#define CONFIG_SYS_ECS1_BASE (CONFIG_SYS_ECS0_BASE+CONFIG_SYS_ECS0_SIZE) +#define CONFIG_SYS_ECS1_SIZE 0x400000 +#define CONFIG_SYS_ECS1_SPEED 0xb6d +#define CONFIG_SYS_ECS1_WIDTH KS8695_BUS_WIDTH_8 + +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT /*----------------------------------------------------------------------- * FLASH and environment organization */ +#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_RCS0_BASE, CONFIG_SYS_RCS1_BASE} #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MAX_FLASH_SECT (128) /* max number of sectors