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authorSascha Hauer <s.hauer@pengutronix.de>2007-07-05 18:01:13 +0200
committerSascha Hauer <sha@octopus.labnet.pengutronix.de>2007-07-05 18:01:13 +0200
commit22a5d8af2a296f1cfe5cc050abf3b2731041e9df (patch)
treed8d53b614981ea7e2e5e58f06b5caeb4fbcf55b5 /drivers
parent162484b83c392eeef33de2eb8111fcbe7f1e1e14 (diff)
downloadbarebox-22a5d8af2a296f1cfe5cc050abf3b2731041e9df.tar.gz
barebox-22a5d8af2a296f1cfe5cc050abf3b2731041e9df.tar.xz
svn_rev_004
remove dataflash support
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dataflash.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/drivers/dataflash.c b/drivers/dataflash.c
deleted file mode 100644
index 17eb8597f8..0000000000
--- a/drivers/dataflash.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/* LowLevel function for ATMEL DataFlash support
- * Author : Hamid Ikdoumi (Atmel)
- *
- * 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 <config.h>
-#ifdef CONFIG_HAS_DATAFLASH
-#include <asm/hardware.h>
-#include <dataflash.h>
-
-AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS];
-static AT91S_DataFlash DataFlashInst;
-
-int cs[][CFG_MAX_DATAFLASH_BANKS] = {
- {CFG_DATAFLASH_LOGIC_ADDR_CS0, 0}, /* Logical adress, CS */
- {CFG_DATAFLASH_LOGIC_ADDR_CS3, 3}
-};
-
-/*define the area offsets*/
-dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
- {0, 0x7fff, FLAG_PROTECT_SET}, /* ROM code */
- {0x8000, 0x1ffff, FLAG_PROTECT_SET}, /* u-boot code */
- {0x20000, 0x27fff, FLAG_PROTECT_CLEAR}, /* u-boot environment */
- {0x28000, 0x1fffff, FLAG_PROTECT_CLEAR}, /* data area size to tune */
-};
-
-extern void AT91F_SpiInit (void);
-extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc);
-extern int AT91F_DataFlashRead (AT91PS_DataFlash pDataFlash,
- unsigned long addr,
- unsigned long size, char *buffer);
-extern int AT91F_DataFlashWrite( AT91PS_DataFlash pDataFlash,
- unsigned char *src,
- int dest,
- int size );
-
-int AT91F_DataflashInit (void)
-{
- int i, j;
- int dfcode;
-
- AT91F_SpiInit ();
-
- for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
- dataflash_info[i].Desc.state = IDLE;
- dataflash_info[i].id = 0;
- dataflash_info[i].Device.pages_number = 0;
- dfcode = AT91F_DataflashProbe (cs[i][1], &dataflash_info[i].Desc);
-
- switch (dfcode) {
- case AT45DB161:
- dataflash_info[i].Device.pages_number = 4096;
- dataflash_info[i].Device.pages_size = 528;
- dataflash_info[i].Device.page_offset = 10;
- dataflash_info[i].Device.byte_mask = 0x300;
- dataflash_info[i].Device.cs = cs[i][1];
- dataflash_info[i].Desc.DataFlash_state = IDLE;
- dataflash_info[i].logical_address = cs[i][0];
- dataflash_info[i].id = dfcode;
- break;
-
- case AT45DB321:
- dataflash_info[i].Device.pages_number = 8192;
- dataflash_info[i].Device.pages_size = 528;
- dataflash_info[i].Device.page_offset = 10;
- dataflash_info[i].Device.byte_mask = 0x300;
- dataflash_info[i].Device.cs = cs[i][1];
- dataflash_info[i].Desc.DataFlash_state = IDLE;
- dataflash_info[i].logical_address = cs[i][0];
- dataflash_info[i].id = dfcode;
- break;
-
- case AT45DB642:
- dataflash_info[i].Device.pages_number = 8192;
- dataflash_info[i].Device.pages_size = 1056;
- dataflash_info[i].Device.page_offset = 11;
- dataflash_info[i].Device.byte_mask = 0x700;
- dataflash_info[i].Device.cs = cs[i][1];
- dataflash_info[i].Desc.DataFlash_state = IDLE;
- dataflash_info[i].logical_address = cs[i][0];
- dataflash_info[i].id = dfcode;
- break;
- case AT45DB128:
- dataflash_info[i].Device.pages_number = 16384;
- dataflash_info[i].Device.pages_size = 1056;
- dataflash_info[i].Device.page_offset = 11;
- dataflash_info[i].Device.byte_mask = 0x700;
- dataflash_info[i].Device.cs = cs[i][1];
- dataflash_info[i].Desc.DataFlash_state = IDLE;
- dataflash_info[i].logical_address = cs[i][0];
- dataflash_info[i].id = dfcode;
- break;
-
- default:
- break;
- }
- /* set the last area end to the dataflash size*/
- area_list[NB_DATAFLASH_AREA -1].end =
- (dataflash_info[i].Device.pages_number *
- dataflash_info[i].Device.pages_size)-1;
-
- /* set the area addresses */
- for(j = 0; j<NB_DATAFLASH_AREA; j++) {
- dataflash_info[i].Device.area_list[j].start = area_list[j].start + dataflash_info[i].logical_address;
- dataflash_info[i].Device.area_list[j].end = area_list[j].end + dataflash_info[i].logical_address;
- dataflash_info[i].Device.area_list[j].protected = area_list[j].protected;
- }
- }
- return (1);
-}
-
-
-void dataflash_print_info (void)
-{
- int i, j;
-
- for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
- if (dataflash_info[i].id != 0) {
- printf ("DataFlash:");
- switch (dataflash_info[i].id) {
- case AT45DB161:
- printf ("AT45DB161\n");
- break;
-
- case AT45DB321:
- printf ("AT45DB321\n");
- break;
-
- case AT45DB642:
- printf ("AT45DB642\n");
- break;
- case AT45DB128:
- printf ("AT45DB128\n");
- break;
- }
-
- printf ("Nb pages: %6d\n"
- "Page Size: %6d\n"
- "Size=%8d bytes\n"
- "Logical address: 0x%08X\n",
- (unsigned int) dataflash_info[i].Device.pages_number,
- (unsigned int) dataflash_info[i].Device.pages_size,
- (unsigned int) dataflash_info[i].Device.pages_number *
- dataflash_info[i].Device.pages_size,
- (unsigned int) dataflash_info[i].logical_address);
- for (j=0; j< NB_DATAFLASH_AREA; j++) {
- printf ("Area %i:\t%08lX to %08lX %s\n", j,
- dataflash_info[i].Device.area_list[j].start,
- dataflash_info[i].Device.area_list[j].end,
- (dataflash_info[i].Device.area_list[j].protected ==
- FLAG_PROTECT_SET) ? "(RO)" : "");
- }
- }
- }
-}
-
-
-/*------------------------------------------------------------------------------*/
-/* Function Name : AT91F_DataflashSelect */
-/* Object : Select the correct device */
-/*------------------------------------------------------------------------------*/
-AT91PS_DataFlash AT91F_DataflashSelect (AT91PS_DataFlash pFlash, unsigned long *addr)
-{
- char addr_valid = 0;
- int i;
-
- for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++)
- if ((*addr & 0xFF000000) == dataflash_info[i].logical_address) {
- addr_valid = 1;
- break;
- }
- if (!addr_valid) {
- pFlash = (AT91PS_DataFlash) 0;
- return pFlash;
- }
- pFlash->pDataFlashDesc = &(dataflash_info[i].Desc);
- pFlash->pDevice = &(dataflash_info[i].Device);
- *addr -= dataflash_info[i].logical_address;
- return (pFlash);
-}
-
-/*------------------------------------------------------------------------------*/
-/* Function Name : addr_dataflash */
-/* Object : Test if address is valid */
-/*------------------------------------------------------------------------------*/
-int addr_dataflash (unsigned long addr)
-{
- int addr_valid = 0;
- int i;
-
- for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
- if ((((int) addr) & 0xFF000000) ==
- dataflash_info[i].logical_address) {
- addr_valid = 1;
- break;
- }
- }
-
- return addr_valid;
-}
-/*-----------------------------------------------------------------------------*/
-/* Function Name : size_dataflash */
-/* Object : Test if address is valid regarding the size */
-/*-----------------------------------------------------------------------------*/
-int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size)
-{
- /* is outside the dataflash */
- if (((int)addr & 0x0FFFFFFF) > (pdataFlash->pDevice->pages_size *
- pdataFlash->pDevice->pages_number)) return 0;
- /* is too large for the dataflash */
- if (size > ((pdataFlash->pDevice->pages_size *
- pdataFlash->pDevice->pages_number) - ((int)addr & 0x0FFFFFFF))) return 0;
-
- return 1;
-}
-/*-----------------------------------------------------------------------------*/
-/* Function Name : prot_dataflash */
-/* Object : Test if destination area is protected */
-/*-----------------------------------------------------------------------------*/
-int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr)
-{
-int area;
- /* find area */
- for (area=0; area < NB_DATAFLASH_AREA; area++) {
- if ((addr >= pdataFlash->pDevice->area_list[area].start) &&
- (addr < pdataFlash->pDevice->area_list[area].end))
- break;
- }
- if (area == NB_DATAFLASH_AREA) return -1;
- /*test protection value*/
- if (pdataFlash->pDevice->area_list[area].protected == FLAG_PROTECT_SET) return 0;
-
- return 1;
-}
-/*-----------------------------------------------------------------------------*/
-/* Function Name : dataflash_real_protect */
-/* Object : protect/unprotect area */
-/*-----------------------------------------------------------------------------*/
-int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr)
-{
-int i,j, area1, area2, addr_valid = 0;
- /* find dataflash */
- for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
- if ((((int) start_addr) & 0xF0000000) ==
- dataflash_info[i].logical_address) {
- addr_valid = 1;
- break;
- }
- }
- if (!addr_valid) {
- return -1;
- }
- /* find start area */
- for (area1=0; area1 < NB_DATAFLASH_AREA; area1++) {
- if (start_addr == dataflash_info[i].Device.area_list[area1].start) break;
- }
- if (area1 == NB_DATAFLASH_AREA) return -1;
- /* find end area */
- for (area2=0; area2 < NB_DATAFLASH_AREA; area2++) {
- if (end_addr == dataflash_info[i].Device.area_list[area2].end) break;
- }
- if (area2 == NB_DATAFLASH_AREA) return -1;
-
- /*set protection value*/
- for(j = area1; j < area2+1 ; j++)
- if (flag == 0) dataflash_info[i].Device.area_list[j].protected = FLAG_PROTECT_CLEAR;
- else dataflash_info[i].Device.area_list[j].protected = FLAG_PROTECT_SET;
-
- return (area2-area1+1);
-}
-
-/*------------------------------------------------------------------------------*/
-/* Function Name : read_dataflash */
-/* Object : dataflash memory read */
-/*------------------------------------------------------------------------------*/
-int read_dataflash (unsigned long addr, unsigned long size, char *result)
-{
- unsigned long AddrToRead = addr;
- AT91PS_DataFlash pFlash = &DataFlashInst;
-
- pFlash = AT91F_DataflashSelect (pFlash, &AddrToRead);
-
- if (pFlash == 0)
- return ERR_UNKNOWN_FLASH_TYPE;
-
- if (size_dataflash(pFlash,addr,size) == 0)
- return ERR_INVAL;
-
- return (AT91F_DataFlashRead (pFlash, AddrToRead, size, result));
-}
-
-
-/*-----------------------------------------------------------------------------*/
-/* Function Name : write_dataflash */
-/* Object : write a block in dataflash */
-/*-----------------------------------------------------------------------------*/
-int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
- unsigned long size)
-{
- unsigned long AddrToWrite = addr_dest;
- AT91PS_DataFlash pFlash = &DataFlashInst;
-
- pFlash = AT91F_DataflashSelect (pFlash, &AddrToWrite);
-
- if (pFlash == 0)
- return ERR_UNKNOWN_FLASH_TYPE;
-
- if (size_dataflash(pFlash,addr_dest,size) == 0)
- return ERR_INVAL;
-
- if (prot_dataflash(pFlash,addr_dest) == 0)
- return ERR_PROTECTED;
-
- if (AddrToWrite == -1)
- return -1;
-
- return AT91F_DataFlashWrite (pFlash, (uchar *)addr_src, AddrToWrite, size);
-}
-
-
-void dataflash_perror (int err)
-{
- switch (err) {
- case ERR_OK:
- break;
- case ERR_TIMOUT:
- printf ("Timeout writing to DataFlash\n");
- break;
- case ERR_PROTECTED:
- printf ("Can't write to protected DataFlash sectors\n");
- break;
- case ERR_INVAL:
- printf ("Outside available DataFlash\n");
- break;
- case ERR_UNKNOWN_FLASH_TYPE:
- printf ("Unknown Type of DataFlash\n");
- break;
- case ERR_PROG_ERROR:
- printf ("General DataFlash Programming Error\n");
- break;
- default:
- printf ("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err);
- break;
- }
-}
-
-#endif