* Patch by Nicolas Lacressonnire, 12 Nov 2003:

update for for Atmel AT91RM9200DK development kit:
  - support for environment variables in DataFlash
  - Atmel DataFlash AT45DB1282 support

* Patch by Jeff Carr, 11 Nov 2003:
  add support for new version of 8270 processors

* Patches by George G. Davis, 05 Nov 2003:
  - only pass the ARM linux initrd tag to the kernel when an initrd
    is actually present
  - update omap1510inn configuration file
This commit is contained in:
wdenk 2003-12-06 23:55:10 +00:00
parent 8bf3b005dd
commit 5779d8d985
16 changed files with 662 additions and 281 deletions

View file

@ -2,6 +2,19 @@
Changes since U-Boot 1.0.0:
======================================================================
* Patch by Nicolas Lacressonnière, 12 Nov 2003:
update for for Atmel AT91RM9200DK development kit:
- support for environment variables in DataFlash
- Atmel DataFlash AT45DB1282 support
* Patch by Jeff Carr, 11 Nov 2003:
add support for new version of 8270 processors
* Patches by George G. Davis, 05 Nov 2003:
- only pass the ARM linux initrd tag to the kernel when an initrd
is actually present
- update omap1510inn configuration file
* Patches by Stephan Linz, 3 Nov 2003:
- more endianess fixes for LAN91C111 driver
- CFG_HZ configuration patch for NIOS Cyclone board

14
README
View file

@ -1760,6 +1760,20 @@ to save the current settings.
The size in bytes of the EEPROM device.
- CFG_ENV_IS_IN_DATAFLASH:
Define this if you have a DataFlash memory device which you
want to use for the environment.
- CFG_ENV_OFFSET:
- CFG_ENV_ADDR:
- CFG_ENV_SIZE:
These three #defines specify the offset and size of the
environment area within the total memory of your DataFlash placed
at the specified address.
- CFG_SPI_INIT_OFFSET
Defines offset to the initial SPI buffer area in DPRAM. The

View file

@ -42,7 +42,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o \
cmd_reginfo.o cmd_scsi.o cmd_spi.o cmd_usb.o cmd_vfd.o \
command.o console.o devices.o dlmalloc.o docecc.o \
environment.o env_common.o \
env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \
env_dataflash.o env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \
flash.o fpga.o \
hush.o kgdb.o lists.o lynxkdi.o miiphybb.o miiphyutil.o \
s_record.o soft_i2c.o soft_spi.o spartan2.o \

View file

@ -307,7 +307,9 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
ulong bank, addr_first, addr_last;
int i, p, n, sect_first, sect_last;
int rcode = 0;
#ifdef CONFIG_HAS_DATAFLASH
int status;
#endif
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
@ -322,6 +324,24 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 1;
}
#ifdef CONFIG_HAS_DATAFLASH
if ((strcmp(argv[2], "all") != 0) && (strcmp(argv[2], "bank") != 0)) {
addr_first = simple_strtoul(argv[2], NULL, 16);
addr_last = simple_strtoul(argv[3], NULL, 16);
if (addr_dataflash(addr_first) && addr_dataflash(addr_last)) {
status = dataflash_real_protect(p,addr_first,addr_last);
if (status < 0){
printf("Bad DataFlash sector specification\n");
return 1;
}
printf("%sProtect %d DataFlash Sectors\n",
p ? "" : "Un-", status);
return 0;
}
}
#endif
if (strcmp(argv[2], "all") == 0) {
for (bank=1; bank<=CFG_MAX_FLASH_BANKS; ++bank) {
info = &flash_info[bank-1];

View file

@ -136,13 +136,19 @@ int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
uint *uip = (uint *)linebuf;
ushort *usp = (ushort *)linebuf;
u_char *ucp = (u_char *)linebuf;
#ifdef CONFIG_HAS_DATAFLASH
int rc;
#endif
printf("%08lx:", addr);
linebytes = (nbytes>DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
#ifdef CONFIG_HAS_DATAFLASH
if (read_dataflash(addr, (linebytes/size)*size, linebuf) != -1){
if ((rc = read_dataflash(addr, (linebytes/size)*size, linebuf)) == DATAFLASH_OK){
/* if outside dataflash */
/*if (rc != 1) {
dataflash_perror (rc);
return (1);
}*/
for (i=0; i<linebytes; i+= size) {
if (size == 4) {
printf(" %08x", *uip++);
@ -430,7 +436,12 @@ int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
/* Check if we are copying from DataFlash to RAM */
if (addr_dataflash(addr) && !addr_dataflash(dest) && (addr2info(dest)==NULL) ){
read_dataflash(addr, count * size, (char *) dest);
int rc;
rc = read_dataflash(addr, count * size, (char *) dest);
if (rc != 1) {
dataflash_perror (rc);
return (1);
}
return 0;
}

View file

@ -49,8 +49,12 @@
#include <net.h>
#endif
#if !defined(CFG_ENV_IS_IN_NVRAM) && !defined(CFG_ENV_IS_IN_EEPROM) && !defined(CFG_ENV_IS_IN_FLASH) && !defined(CFG_ENV_IS_NOWHERE)
# error Define one of CFG_ENV_IS_IN_NVRAM, CFG_ENV_IS_IN_EEPROM, CFG_ENV_IS_IN_FLASH, CFG_ENV_IS_NOWHERE
#if !defined(CFG_ENV_IS_IN_NVRAM) && \
!defined(CFG_ENV_IS_IN_EEPROM) && \
!defined(CFG_ENV_IS_IN_FLASH) && \
!defined(CFG_ENV_IS_IN_DATAFLASH) && \
!defined(CFG_ENV_IS_NOWHERE)
# error Define one of CFG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|NOWHERE}
#endif
#define XMK_STR(x) #x

104
common/env_dataflash.c Normal file
View file

@ -0,0 +1,104 @@
/* LowLevel function for DataFlash environment support
* Author : Gilles Gastaldi (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>
#if defined(CFG_ENV_IS_IN_DATAFLASH) /* Environment is in DataFlash */
#include <command.h>
#include <environment.h>
#include <linux/stddef.h>
#include <malloc.h>
#include <dataflash.h>
env_t *env_ptr = NULL;
char * env_name_spec = "dataflash";
extern int read_dataflash (unsigned long addr, unsigned long size, char
*result);
extern int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
unsigned long size);
extern int AT91F_DataflashInit (void);
extern uchar default_environment[];
/* extern int default_environment_size; */
uchar env_get_char_spec (int index)
{
uchar c;
read_dataflash (CFG_ENV_ADDR+index+offsetof(env_t,data),1,&c);
return (c);
}
void env_relocate_spec (void)
{
read_dataflash (CFG_ENV_ADDR,CFG_ENV_SIZE,(uchar *)env_ptr);
}
int saveenv(void)
{
/* env must be copied to do not alter env structure in memory*/
unsigned char temp[CFG_ENV_SIZE];
int i;
memcpy(temp, env_ptr, CFG_ENV_SIZE);
return write_dataflash (CFG_ENV_ADDR, (unsigned long)temp, CFG_ENV_SIZE);
}
/************************************************************************
* Initialize Environment use
*
* We are still running from ROM, so data use is limited
* Use a (moderately small) buffer on the stack
*/
int env_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
ulong crc, len, new;
unsigned off;
uchar buf[64];
if (gd->env_valid == 0){
AT91F_DataflashInit(); /* prepare for DATAFLASH read/write */
/* read old CRC */
read_dataflash (CFG_ENV_ADDR+offsetof(env_t,crc),sizeof(ulong),&crc);
new = 0;
len = ENV_SIZE;
off = offsetof(env_t,data);
while (len > 0) {
int n = (len > sizeof(buf)) ? sizeof(buf) : len;
read_dataflash (CFG_ENV_ADDR+off,n , buf);
new = crc32 (new, buf, n);
len -= n;
off += n;
}
if (crc == new) {
gd->env_addr = offsetof(env_t,data);
gd->env_valid = 1;
} else {
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = 0;
}
}
return (0);
}
#endif /* CFG_ENV_IS_IN_DATAFLASH */

View file

@ -26,6 +26,7 @@
#include <dataflash.h>
#define SPI_CLK 5000000
#define AT91C_TIMEOUT_WRDY 200000
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */
@ -145,10 +146,17 @@ AT91S_DataFlashStatus AT91F_DataFlashSendCommand(
/* fill the command buffer */
pDataFlash->pDataFlashDesc->command[0] = OpCode;
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(adr & 0x000000FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x0F000000) >> 24);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)(adr & 0x000000FF);
} else {
pDataFlash->pDataFlashDesc->command[1] = (unsigned char)((adr & 0x00FF0000) >> 16);
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)((adr & 0x0000FF00) >> 8);
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(adr & 0x000000FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
}
pDataFlash->pDataFlashDesc->command[5] = 0;
pDataFlash->pDataFlashDesc->command[6] = 0;
pDataFlash->pDataFlashDesc->command[7] = 0;
@ -205,8 +213,7 @@ AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc pDataFlashDe
do {
AT91F_DataFlashGetStatus(pDataFlashDesc);
timeout--;
}
while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) && (timeout > 0) );
} while( ((pDataFlashDesc->DataFlash_state & 0x80) != 0x80) && (timeout > 0) );
if((pDataFlashDesc->DataFlash_state & 0x80) != 0x80)
return DATAFLASH_ERROR;
@ -230,6 +237,7 @@ AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
unsigned char *dataBuffer,
int sizeToRead )
{
AT91S_DataFlashStatus status;
/* Test the size to read in the device */
if ( (src + sizeToRead) > (pDataFlash->pDevice->pages_size * (pDataFlash->pDevice->pages_number)))
return DATAFLASH_MEMORY_OVERFLOW;
@ -239,8 +247,9 @@ AT91S_DataFlashStatus AT91F_DataFlashContinuousRead (
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer;
pDataFlash->pDataFlashDesc->tx_data_size = sizeToRead;
status = AT91F_DataFlashSendCommand (pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src);
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, DB_CONTINUOUS_ARRAY_READ, 8, src));
return(status);
}
@ -259,13 +268,17 @@ AT91S_DataFlashStatus AT91F_DataFlashPagePgmBuf(
unsigned int dest,
unsigned int SizeToWrite)
{
int cmdsize;
pDataFlash->pDataFlashDesc->tx_data_pt = src ;
pDataFlash->pDataFlashDesc->tx_data_size = SizeToWrite ;
pDataFlash->pDataFlashDesc->rx_data_pt = src;
pDataFlash->pDataFlashDesc->rx_data_size = SizeToWrite;
cmdsize = 4;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1, 4, dest));
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_PGM_BUF1, cmdsize, dest));
}
@ -282,14 +295,17 @@ AT91S_DataFlashStatus AT91F_MainMemoryToBufferTransfert(
unsigned char BufferCommand,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_PAGE_2_BUF1_TRF) && (BufferCommand != DB_PAGE_2_BUF2_TRF))
return DATAFLASH_BAD_COMMAND;
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, 4, page*pDataFlash->pDevice->pages_size));
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, page*pDataFlash->pDevice->pages_size));
}
@ -310,6 +326,7 @@ AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
unsigned int bufferAddress,
int SizeToWrite )
{
int cmdsize;
/* Test if the buffer command is legal */
if ((BufferCommand != DB_BUF1_WRITE) && (BufferCommand != DB_BUF2_WRITE))
return DATAFLASH_BAD_COMMAND;
@ -324,14 +341,22 @@ AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
/* Send first Write Command */
pDataFlash->pDataFlashDesc->command[0] = BufferCommand;
pDataFlash->pDataFlashDesc->command[1] = 0;
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
if (pDataFlash->pDevice->pages_number >= 16384) {
pDataFlash->pDataFlashDesc->command[2] = 0;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[4] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
cmdsize = 5;
} else {
pDataFlash->pDataFlashDesc->command[2] = (unsigned char)(((unsigned int)(bufferAddress & pDataFlash->pDevice->byte_mask)) >> 8) ;
pDataFlash->pDataFlashDesc->command[3] = (unsigned char)((unsigned int)bufferAddress & 0x00FF) ;
pDataFlash->pDataFlashDesc->command[4] = 0;
cmdsize = 4;
}
pDataFlash->pDataFlashDesc->tx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->tx_cmd_size = 4 ;
pDataFlash->pDataFlashDesc->tx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_cmd_pt = pDataFlash->pDataFlashDesc->command ;
pDataFlash->pDataFlashDesc->rx_cmd_size = 4 ;
pDataFlash->pDataFlashDesc->rx_cmd_size = cmdsize ;
pDataFlash->pDataFlashDesc->rx_data_pt = dataBuffer ;
pDataFlash->pDataFlashDesc->tx_data_pt = dataBuffer ;
@ -341,6 +366,51 @@ AT91S_DataFlashStatus AT91F_DataFlashWriteBuffer (
return AT91F_SpiWrite(pDataFlash->pDataFlashDesc);
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_PageErase */
/* Object : Erase a page */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_PageErase(
AT91PS_DataFlash pDataFlash,
unsigned int page)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_PAGE_ERASE, cmdsize, page*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_BlockErase */
/* Object : Erase a Block */
/* Input Parameters : DataFlash Service */
/* : Page concerned */
/* : */
/* Return value : State of the dataflash */
/*------------------------------------------------------------------------------*/
AT91S_DataFlashStatus AT91F_BlockErase(
AT91PS_DataFlash pDataFlash,
unsigned int block)
{
int cmdsize;
/* Test if the buffer command is legal */
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
return(AT91F_DataFlashSendCommand (pDataFlash, DB_BLOCK_ERASE,cmdsize, block*8*pDataFlash->pDevice->pages_size));
}
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_WriteBufferToMain */
@ -355,6 +425,7 @@ AT91S_DataFlashStatus AT91F_WriteBufferToMain (
unsigned char BufferCommand,
unsigned int dest )
{
int cmdsize;
/* Test if the buffer command is correct */
if ((BufferCommand != DB_BUF1_PAGE_PGM) &&
(BufferCommand != DB_BUF1_PAGE_ERASE_PGM) &&
@ -365,8 +436,11 @@ AT91S_DataFlashStatus AT91F_WriteBufferToMain (
/* no data to transmit or receive */
pDataFlash->pDataFlashDesc->tx_data_size = 0;
cmdsize = 4;
if (pDataFlash->pDevice->pages_number >= 16384)
cmdsize = 5;
/* Send the command to the dataflash */
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, 4, dest));
return(AT91F_DataFlashSendCommand (pDataFlash, BufferCommand, cmdsize, dest));
}
@ -391,10 +465,18 @@ AT91S_DataFlashStatus AT91F_PartialPageWrite (
/* Read the contents of the page in the Sram Buffer */
AT91F_MainMemoryToBufferTransfert(pDataFlash, DB_PAGE_2_BUF1_TRF, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/*Update the SRAM buffer */
AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, AdrInPage, size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Erase page if a 128 Mbits device */
if (pDataFlash->pDevice->pages_number >= 16384) {
AT91F_PageErase(pDataFlash, page);
/* Rewrite the modified Sram Buffer in the main memory */
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
/* Rewrite the modified Sram Buffer in the main memory */
return(AT91F_WriteBufferToMain(pDataFlash, DB_BUF1_PAGE_ERASE_PGM, (page*pDataFlash->pDevice->pages_size)));
@ -402,7 +484,7 @@ AT91S_DataFlashStatus AT91F_PartialPageWrite (
/*------------------------------------------------------------------------------*/
/* Function Name : AT91F_DataFlashWrite_Overloaded */
/* Function Name : AT91F_DataFlashWrite */
/* Object : */
/* Input Parameters : <*src> = Source buffer */
/* : <dest> = dataflash adress */
@ -415,6 +497,8 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
int size )
{
unsigned int length;
unsigned int page;
unsigned int status;
AT91F_SpiEnable(pDataFlash->pDevice->cs);
@ -431,7 +515,7 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
if(!AT91F_PartialPageWrite(pDataFlash,src, dest, length))
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= length;
@ -441,10 +525,21 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
while (( size - pDataFlash->pDevice->pages_size ) >= 0 ) {
/* program dataflash page */
if(!AT91F_DataFlashPagePgmBuf(pDataFlash, src, dest, pDataFlash->pDevice->pages_size ))
page = (unsigned int)dest / (pDataFlash->pDevice->pages_size);
status = AT91F_DataFlashWriteBuffer(pDataFlash, DB_BUF1_WRITE, src, 0, pDataFlash->pDevice->pages_size);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
status = AT91F_PageErase(pDataFlash, page);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
if (!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000);
status = AT91F_WriteBufferToMain (pDataFlash, DB_BUF1_PAGE_PGM, dest);
if(!status)
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
/* Update size, source and destination pointers */
size -= pDataFlash->pDevice->pages_size ;
@ -458,7 +553,7 @@ AT91S_DataFlashStatus AT91F_DataFlashWrite(
if(!AT91F_PartialPageWrite(pDataFlash, src, dest, size) )
return DATAFLASH_ERROR;
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000);
AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY);
}
return DATAFLASH_OK;
}
@ -480,13 +575,13 @@ int AT91F_DataFlashRead(
AT91F_SpiEnable(pDataFlash->pDevice->cs);
if(AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000) != DATAFLASH_OK)
if(AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
while (size) {
SizeToRead = (size < 0x8000)? size:0x8000;
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, 1000) != DATAFLASH_OK)
if (AT91F_DataFlashWaitReady(pDataFlash->pDataFlashDesc, AT91C_TIMEOUT_WRDY) != DATAFLASH_OK)
return -1;
if (AT91F_DataFlashContinuousRead (pDataFlash, addr, buffer, SizeToRead) != DATAFLASH_OK)

View file

@ -67,6 +67,7 @@ int checkcpu (void)
case PVR_8260_HIP4:
k = 4;
break;
case PVR_8260_HIP7R1:
case PVR_8260_HIP7:
k = 7;
break;

View file

@ -125,7 +125,7 @@ int get_clocks (void)
busdf = (scmr & SCMR_BUSDF_MSK) >> SCMR_BUSDF_SHIFT;
cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT;
if (get_pvr () == PVR_8260_HIP7) { /* HiP7 */
if ((get_pvr () == PVR_8260_HIP7) || (get_pvr () == PVR_8260_HIP7R1)) { /* HiP7 */
pllmf = (scmr & SCMR_PLLMF_MSKH7) >> SCMR_PLLMF_SHIFT;
gd->vco_out = clkin * (pllmf + 1);
} else { /* HiP3, HiP4 */

View file

@ -31,12 +31,23 @@ int cs[][CFG_MAX_DATAFLASH_BANKS] = {
{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)
{
@ -46,7 +57,7 @@ int AT91F_DataflashInit (void)
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);
@ -84,14 +95,31 @@ int AT91F_DataflashInit (void)
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;
for (j = 0; j < dataflash_info[i].Device.pages_number; j++)
dataflash_info[i].protect[j] = FLAG_PROTECT_SET;
/* 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);
}
@ -99,7 +127,7 @@ int AT91F_DataflashInit (void)
void dataflash_print_info (void)
{
int i;
int i, j;
for (i = 0; i < CFG_MAX_DATAFLASH_BANKS; i++) {
if (dataflash_info[i].id != 0) {
@ -116,6 +144,9 @@ void dataflash_print_info (void)
case AT45DB642:
printf ("AT45DB642\n");
break;
case AT45DB128:
printf ("AT45DB128\n");
break;
}
printf ("Nb pages: %6d\n"
@ -127,6 +158,13 @@ void dataflash_print_info (void)
(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%08X to %08X %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)" : "");
}
}
}
}
@ -176,6 +214,76 @@ int addr_dataflash (unsigned long addr)
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 */
@ -187,8 +295,12 @@ int read_dataflash (unsigned long addr, unsigned long size, char *result)
AT91PS_DataFlash pFlash = &DataFlashInst;
pFlash = AT91F_DataflashSelect (pFlash, &AddrToRead);
if (pFlash == 0)
return -1;
return ERR_UNKNOWN_FLASH_TYPE;
if (size_dataflash(pFlash,addr,size) == 0)
return ERR_INVAL;
return (AT91F_DataFlashRead (pFlash, AddrToRead, size, result));
}
@ -201,17 +313,24 @@ int read_dataflash (unsigned long addr, unsigned long size, char *result)
int write_dataflash (unsigned long addr_dest, unsigned long addr_src,
unsigned long size)
{
extern AT91S_DataFlashStatus AT91F_DataFlashWrite(
AT91PS_DataFlash, uchar *, int, int);
int 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, (char *) addr_src, AddrToWrite,
size);
return AT91F_DataFlashWrite (pFlash, (char *) addr_src, AddrToWrite, size);
}

View file

@ -732,6 +732,7 @@
#define PVR_8260_HIP3 0x00810101
#define PVR_8260_HIP4 0x80811014
#define PVR_8260_HIP7 0x80822011
#define PVR_8260_HIP7R1 0x80822013
/* I am just adding a single entry for 8260 boards. I think we may be
* able to combine mbx, fads, rpxlite, bseip, and classic into a single

View file

@ -114,7 +114,7 @@
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_HAS_DATAFLASH 1
#define CFG_SPI_WRITE_TOUT CFG_HZ
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_MAX_DATAFLASH_PAGES 16384
#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
@ -127,9 +127,20 @@
#define CFG_MAX_FLASH_SECT 40
#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
#undef CFG_ENV_IS_IN_DATAFLASH
#ifdef CFG_ENV_IS_IN_DATAFLASH
#define CFG_ENV_OFFSET 0x20000
#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
#else
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* 0x10000 */
#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
#endif
#define CFG_LOAD_ADDR 0x21000000 /* default load address */
#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */

View file

@ -50,6 +50,7 @@
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
/*
* Size of malloc() pool
@ -99,12 +100,9 @@
#include <configs/omap1510.h>
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=157.87.82.48:/home/a0875451/mwd/myfs/target ip=dhcp"
/*#define CONFIG_ETHADDR 00:0B:36:00:05:25 */
#define CONFIG_NETMASK 255.255.254.0 /* talk on MY local net */
#define CONFIG_IPADDR 156.117.97.156 /* static IP I currently own */
#define CONFIG_SERVERIP 156.117.97.139 /* current IP of my dev pc */
#define CONFIG_BOOTFILE "/tftpboot/uImage" /* file to load */
#define CONFIG_BOOTARGS "console=ttyS0,115200n8 noinitrd root=/dev/nfs ip=bootp"
#define CONFIG_BOOTCOMMAND "bootp;tftp;bootm"
#define CFG_AUTOLOAD "n" /* No autoload */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */

View file

@ -37,16 +37,15 @@
#include <asm/arch/hardware.h>
#include "config.h"
/*number of protected area*/
#define NB_DATAFLASH_AREA 4
/*define the area structure*/
typedef struct {
unsigned long base; /* logical base address for a bank */
unsigned long size; /* total bank size */
unsigned long page_count;
unsigned long page_size;
unsigned long id; /* device id */
unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} dataflash_info_t;
unsigned long start;
unsigned long end;
unsigned char protected;
} dataflash_protect_t;
typedef unsigned int AT91S_DataFlashStatus;
@ -80,6 +79,7 @@ typedef struct _AT91S_Dataflash {
int page_offset; /* page offset in command */
int byte_mask; /* byte mask in command */
int cs;
dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */
} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
/*---------------------------------------------*/
@ -91,13 +91,13 @@ typedef struct _AT91S_DataFlash {
} AT91S_DataFlash, *AT91PS_DataFlash;
typedef struct _AT91S_DATAFLASH_INFO {
AT91S_DataflashDesc Desc;
AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
unsigned long logical_address;
unsigned int id; /* device id */
unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
@ -106,6 +106,7 @@ typedef struct _AT91S_DATAFLASH_INFO {
#define AT45DB161 0x2c
#define AT45DB321 0x34
#define AT45DB642 0x3c
#define AT45DB128 0x10
#define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */
@ -166,6 +167,9 @@ typedef struct _AT91S_DATAFLASH_INFO {
/*-------------------------------------------------------------------------------------------------*/
extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size);
extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr);
extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr);
extern int addr_dataflash (unsigned long addr);
extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned long size);

View file

@ -41,20 +41,24 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
static void setup_start_tag(bd_t *bd);
static void setup_start_tag (bd_t *bd);
# ifdef CONFIG_SETUP_MEMORY_TAGS
static void setup_memory_tags(bd_t *bd);
static void setup_memory_tags (bd_t *bd);
# endif
static void setup_commandline_tag(bd_t *bd, char *commandline);
static void setup_commandline_tag (bd_t *bd, char *commandline);
#if 0
static void setup_ramdisk_tag(bd_t *bd);
static void setup_ramdisk_tag (bd_t *bd);
#endif
# ifdef CONFIG_INITRD_TAG
static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end);
static void setup_initrd_tag (bd_t *bd, ulong initrd_start,
ulong initrd_end);
# endif
static void setup_end_tag(bd_t *bd);
static void setup_end_tag (bd_t *bd);
# if defined (CONFIG_VFD)
static void setup_videolfb_tag(gd_t *gd);
static void setup_videolfb_tag (gd_t *gd);
# endif
@ -68,180 +72,179 @@ static struct tag *params;
# define SHOW_BOOT_PROGRESS(arg)
#endif
extern image_header_t header; /* from cmd_bootm.c */
extern image_header_t header; /* from cmd_bootm.c */
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
{
DECLARE_GLOBAL_DATA_PTR;
ulong len = 0, checksum;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel)(int zero, int arch);
image_header_t *hdr = &header;
bd_t *bd = gd->bd;
ulong len = 0, checksum;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel) (int zero, int arch);
image_header_t *hdr = &header;
bd_t *bd = gd->bd;
#ifdef CONFIG_CMDLINE_TAG
char *commandline = getenv("bootargs");
char *commandline = getenv ("bootargs");
#endif
theKernel = (void (*)(int, int))ntohl(hdr->ih_ep);
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
SHOW_BOOT_PROGRESS (9);
addr = simple_strtoul(argv[2], NULL, 16);
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash(addr)){
read_dataflash(addr, sizeof(image_header_t), (char *)&header);
} else
#endif
memcpy (&header, (char *)addr, sizeof(image_header_t));
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-10);
do_reset (cmdtp, flag, argc, argv);
}
data = (ulong)&header;
len = sizeof(image_header_t);
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *)data, len) != checksum) {
printf ("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS (-11);
do_reset (cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS (10);
print_image_hdr (hdr);
data = addr + sizeof(image_header_t);
len = ntohl(hdr->ih_size);
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash(addr)){
read_dataflash(data, len, (char *)CFG_LOAD_ADDR);
data = CFG_LOAD_ADDR;
}
#endif
if (verify) {
ulong csum = 0;
printf (" Verifying Checksum ... ");
csum = crc32 (0, (char *)data, len);
if (csum != ntohl(hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
SHOW_BOOT_PROGRESS (-12);
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
SHOW_BOOT_PROGRESS (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_ARM) ||
(hdr->ih_type != IH_TYPE_RAMDISK) ) {
printf ("No Linux ARM Ramdisk Image\n");
SHOW_BOOT_PROGRESS (-13);
do_reset (cmdtp, flag, argc, argv);
}
theKernel = (void (*)(int, int)) ntohl (hdr->ih_ep);
/*
* Now check if we have a multifile image
* Check if there is an initrd image
*/
} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl(len_ptr[0]) % 4;
int i;
if (argc >= 3) {
SHOW_BOOT_PROGRESS (9);
SHOW_BOOT_PROGRESS (13);
addr = simple_strtoul (argv[2], NULL, 16);
/* skip kernel length and terminator */
data = (ulong)(&len_ptr[2]);
/* skip any additional image length fields */
for (i=1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl(len_ptr[0]);
if (tail) {
data += 4 - tail;
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash (addr)) {
read_dataflash (addr, sizeof (image_header_t),
(char *) &header);
} else
#endif
memcpy (&header, (char *) addr,
sizeof (image_header_t));
if (ntohl (hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-10);
do_reset (cmdtp, flag, argc, argv);
}
data = (ulong) & header;
len = sizeof (image_header_t);
checksum = ntohl (hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *) data, len) != checksum) {
printf ("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS (-11);
do_reset (cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS (10);
print_image_hdr (hdr);
data = addr + sizeof (image_header_t);
len = ntohl (hdr->ih_size);
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash (addr)) {
read_dataflash (data, len, (char *) CFG_LOAD_ADDR);
data = CFG_LOAD_ADDR;
}
#endif
if (verify) {
ulong csum = 0;
printf (" Verifying Checksum ... ");
csum = crc32 (0, (char *) data, len);
if (csum != ntohl (hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
SHOW_BOOT_PROGRESS (-12);
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
SHOW_BOOT_PROGRESS (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_ARM) ||
(hdr->ih_type != IH_TYPE_RAMDISK)) {
printf ("No Linux ARM Ramdisk Image\n");
SHOW_BOOT_PROGRESS (-13);
do_reset (cmdtp, flag, argc, argv);
}
/*
* Now check if we have a multifile image
*/
} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl (len_ptr[0]) % 4;
int i;
SHOW_BOOT_PROGRESS (13);
/* skip kernel length and terminator */
data = (ulong) (&len_ptr[2]);
/* skip any additional image length fields */
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
len = ntohl (len_ptr[1]);
} else {
/*
* no initrd image
*/
SHOW_BOOT_PROGRESS (14);
len = data = 0;
}
len = ntohl(len_ptr[1]);
} else {
/*
* no initrd image
*/
SHOW_BOOT_PROGRESS (14);
data = 0;
}
#ifdef DEBUG
if (!data) {
printf ("No initrd\n");
}
if (!data) {
printf ("No initrd\n");
}
#endif
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
SHOW_BOOT_PROGRESS (15);
SHOW_BOOT_PROGRESS (15);
#ifdef DEBUG
printf ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)theKernel);
#endif
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
setup_start_tag(bd);
setup_start_tag (bd);
#ifdef CONFIG_SETUP_MEMORY_TAGS
setup_memory_tags(bd);
setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
setup_commandline_tag(bd, commandline);
setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
setup_initrd_tag(bd, initrd_start, initrd_end);
#endif
#if 0
setup_ramdisk_tag(bd);
if (initrd_start && initrd_end)
setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD)
setup_videolfb_tag((gd_t *)gd);
setup_videolfb_tag ((gd_t *) gd);
#endif
setup_end_tag(bd);
setup_end_tag (bd);
#endif
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
cleanup_before_linux();
cleanup_before_linux ();
theKernel(0, bd->bi_arch_number);
theKernel (0, bd->bi_arch_number);
}
@ -249,59 +252,59 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
static void setup_start_tag(bd_t *bd)
static void setup_start_tag (bd_t *bd)
{
params = (struct tag *)bd->bi_boot_params;
params = (struct tag *) bd->bi_boot_params;
params->hdr.tag = ATAG_CORE;
params->hdr.size = tag_size(tag_core);
params->hdr.tag = ATAG_CORE;
params->hdr.size = tag_size (tag_core);
params->u.core.flags = 0;
params->u.core.pagesize = 0;
params->u.core.rootdev = 0;
params->u.core.flags = 0;
params->u.core.pagesize = 0;
params->u.core.rootdev = 0;
params = tag_next(params);
params = tag_next (params);
}
#ifdef CONFIG_SETUP_MEMORY_TAGS
static void setup_memory_tags(bd_t *bd)
static void setup_memory_tags (bd_t *bd)
{
int i;
int i;
for(i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
params->hdr.tag = ATAG_MEM;
params->hdr.size = tag_size(tag_mem32);
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
params->hdr.tag = ATAG_MEM;
params->hdr.size = tag_size (tag_mem32);
params->u.mem.start = bd->bi_dram[i].start;
params->u.mem.size = bd->bi_dram[i].size;
params->u.mem.start = bd->bi_dram[i].start;
params->u.mem.size = bd->bi_dram[i].size;
params = tag_next(params);
}
params = tag_next (params);
}
}
#endif /* CONFIG_SETUP_MEMORY_TAGS */
#endif /* CONFIG_SETUP_MEMORY_TAGS */
static void setup_commandline_tag(bd_t *bd, char *commandline)
static void setup_commandline_tag (bd_t *bd, char *commandline)
{
char *p;
char *p;
/* eat leading white space */
for(p = commandline; *p == ' '; p++)
;
/* eat leading white space */
for (p = commandline; *p == ' '; p++);
/* skip non-existent command lines so the kernel will still
* use its default command line.
*/
if(*p == '\0')
return;
/* skip non-existent command lines so the kernel will still
* use its default command line.
*/
if (*p == '\0')
return;
params->hdr.tag = ATAG_CMDLINE;
params->hdr.size = (sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2;
params->hdr.tag = ATAG_CMDLINE;
params->hdr.size =
(sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2;
strcpy(params->u.cmdline.cmdline, p);
strcpy (params->u.cmdline.cmdline, p);
params = tag_next(params);
params = tag_next (params);
}
@ -310,64 +313,47 @@ static void setup_commandline_tag(bd_t *bd, char *commandline)
#endif
#ifdef CONFIG_INITRD_TAG
static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)
static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end)
{
/* an ATAG_INITRD node tells the kernel where the compressed
* ramdisk can be found. ATAG_RDIMG is a better name, actually.
*/
params->hdr.tag = ATAG_INITRD2;
params->hdr.size = tag_size(tag_initrd);
/* an ATAG_INITRD node tells the kernel where the compressed
* ramdisk can be found. ATAG_RDIMG is a better name, actually.
*/
params->hdr.tag = ATAG_INITRD2;
params->hdr.size = tag_size (tag_initrd);
params->u.initrd.start = initrd_start;
params->u.initrd.size = initrd_end - initrd_start;
params->u.initrd.start = initrd_start;
params->u.initrd.size = initrd_end - initrd_start;
params = tag_next(params);
params = tag_next (params);
}
#endif /* CONFIG_INITRD_TAG */
#endif /* CONFIG_INITRD_TAG */
#if 0
static void setup_ramdisk_tag(bd_t *bd)
{
/* an ATAG_RAMDISK node tells the kernel how large the
* decompressed ramdisk will become.
*/
params->hdr.tag = ATAG_RAMDISK;
params->hdr.size = tag_size(tag_ramdisk);
params->u.ramdisk.start = 0;
/*params->u.ramdisk.size = RAMDISK_SIZE; */
params->u.ramdisk.flags = 1; /* automatically load ramdisk */
params = tag_next(params);
}
#endif /* 0 */
#if defined (CONFIG_VFD)
static void setup_videolfb_tag(gd_t *gd)
static void setup_videolfb_tag (gd_t *gd)
{
/* An ATAG_VIDEOLFB node tells the kernel where and how large
* the framebuffer for video was allocated (among other things).
* Note that a _physical_ address is passed !
*
* We only use it to pass the address and size, the other entries
* in the tag_videolfb are not of interest.
*/
params->hdr.tag = ATAG_VIDEOLFB;
params->hdr.size = tag_size(tag_videolfb);
/* An ATAG_VIDEOLFB node tells the kernel where and how large
* the framebuffer for video was allocated (among other things).
* Note that a _physical_ address is passed !
*
* We only use it to pass the address and size, the other entries
* in the tag_videolfb are not of interest.
*/
params->hdr.tag = ATAG_VIDEOLFB;
params->hdr.size = tag_size (tag_videolfb);
params->u.videolfb.lfb_base = (u32)gd->fb_base;
/* 7168 = 256*4*56/8 - actually 2 pages (8192 bytes) are allocated */
params->u.videolfb.lfb_size = 7168;
params->u.videolfb.lfb_base = (u32) gd->fb_base;
/* 7168 = 256*4*56/8 - actually 2 pages (8192 bytes) are allocated */
params->u.videolfb.lfb_size = 7168;
params = tag_next(params);
params = tag_next (params);
}
#endif
static void setup_end_tag(bd_t *bd)
static void setup_end_tag (bd_t *bd)
{
params->hdr.tag = ATAG_NONE;
params->hdr.size = 0;
params->hdr.tag = ATAG_NONE;
params->hdr.size = 0;
}
#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */