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authorWolfgang Denk <wd@pollux.denx.de>2006-07-19 13:50:38 +0200
committerWolfgang Denk <wd@pollux.denx.de>2006-07-19 13:50:38 +0200
commitb87dfd2854809ddcf4be54d772752e7ed137386f (patch)
treed10a0446c375a2961223f12f553a51422bff553a /board/ppmc7xx/flash.c
parentf3e06df7e89a1b6ff6701d523b4beea6e3fa5159 (diff)
downloadblackbird-obmc-uboot-b87dfd2854809ddcf4be54d772752e7ed137386f.tar.gz
blackbird-obmc-uboot-b87dfd2854809ddcf4be54d772752e7ed137386f.zip
Add support for TB5200 board
The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module integrated in a little aluminium case. Patch by Martin Krause, 8 Jun 2006 Some code cleanup
Diffstat (limited to 'board/ppmc7xx/flash.c')
-rw-r--r--board/ppmc7xx/flash.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/board/ppmc7xx/flash.c b/board/ppmc7xx/flash.c
index 1cbcadc15f..4be6f13644 100644
--- a/board/ppmc7xx/flash.c
+++ b/board/ppmc7xx/flash.c
@@ -1,10 +1,10 @@
/*
* flash.c
* -------
- *
+ *
* Flash programming routines for the Wind River PPMC 74xx/7xx
* based on flash.c from the TQM8260 board.
- *
+ *
* By Richard Danter (richard.danter@windriver.com)
* Copyright (C) 2005 Wind River Systems
*/
@@ -27,13 +27,13 @@ void flash_reset (void)
{
unsigned long msr;
DWORD cmd_reset = 0x00F000F000F000F0LL;
-
+
if (flash_info[0].flash_id != FLASH_UNKNOWN) {
msr = get_msr ();
set_msr (msr | MSR_FP);
write_via_fpu ((DWORD*)flash_info[0].start[0], &cmd_reset );
-
+
set_msr (msr);
}
}
@@ -50,16 +50,16 @@ ulong flash_get_size (ulong baseaddr, flash_info_t * info)
/* Enable FPU */
msr = get_msr ();
- set_msr (msr | MSR_FP);
-
+ set_msr (msr | MSR_FP);
+
/* Write auto-select command sequence */
write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[0] );
write_via_fpu ((DWORD*)(baseaddr + (0x02AA << 3)), &cmd_select[1] );
write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[2] );
-
+
/* Restore FPU */
set_msr (msr);
-
+
/* Read manufacturer ID */
flashtest = *(volatile DWORD*)baseaddr;
switch ((int)flashtest) {
@@ -70,7 +70,7 @@ ulong flash_get_size (ulong baseaddr, flash_info_t * info)
info->flash_id = FLASH_MAN_FUJ;
break;
default:
- /* No, faulty or unknown flash */
+ /* No, faulty or unknown flash */
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
@@ -291,7 +291,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
DWORD cmd_erase[6] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL,
0x0080008000800080LL, 0x00AA00AA00AA00AALL,
0x0055005500550055LL, 0x0030003000300030LL };
-
+
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");
@@ -319,7 +319,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
/* Enable FPU */
msr = get_msr();
set_msr ( msr | MSR_FP );
-
+
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
@@ -344,7 +344,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
/* Restore FPU */
set_msr (msr);
-
+
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
@@ -373,7 +373,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
DONE:
/* reset to read mode */
flash_reset ();
-
+
printf (" done\n");
return 0;
}
@@ -446,7 +446,7 @@ static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata)
DWORD data;
DWORD cmd_write[3] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL,
0x00A000A000A000A0LL };
-
+
for (data = 0, i = 0; i < 8; i++)
data = (data << 8) + *pdata++;
@@ -454,11 +454,11 @@ static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata)
if ((*(DWORD*)dest & data) != data) {
return (2);
}
-
+
/* Enable FPU */
msr = get_msr();
set_msr( msr | MSR_FP );
-
+
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
@@ -473,7 +473,7 @@ static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata)
/* Restore FPU */
set_msr(msr);
-
+
/* data polling for D7 */
start = get_timer (0);
while (*(volatile DWORD*)dest != data ) {
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