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* Patch by Josef Baumgartner, 25 May 2004:

Browse source 
Add missing functions get_ticks() and get_tbclk() in lib_m68k/time.c

* Patch by Paul Ruhland, 24 May 2004:
  fix SDRAM initialization for LPD7A400 board.
This commit is contained in:
wdenk 2004-06-09 15:24:18 +00:00
parent 13a5695b7c
commit 70f05ac34e
3 changed files with 34 additions and 7 deletions
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6
CHANGELOG
View file

@ -2,6 +2,12 @@
Changes since U-Boot 1.1.1:
======================================================================
* Patch by Josef Baumgartner, 25 May 2004:
Add missing functions get_ticks() and get_tbclk() in lib_m68k/time.c
* Patch by Paul Ruhland, 24 May 2004:
fix SDRAM initialization for LPD7A400 board.
* Patch by Jian Zhang, 20 May 2004:
add support for environment in NAND flash

14
board/lpd7a40x/memsetup.S
View file

@ -108,15 +108,15 @@
/*
* The SDRAM DEVICE MODE PROGRAMMING VALUE
*/
#define BURST_LENGTH_4 (0x010 << 10)
#define BURST_LENGTH_8 (0x011 << 10)
#define WBURST_LENGTH_BL (0x01 << 19)
#define WBURST_LENGTH_SINGLE (0x01 << 19)
#define CAS_2 (0x010 << 14)
#define CAS_3 (0x011 << 14)
#define BURST_LENGTH_4 (2 << 10)
#define BURST_LENGTH_8 (3 << 10)
#define WBURST_LENGTH_BL (0 << 19)
#define WBURST_LENGTH_SINGLE (1 << 19)
#define CAS_2 (2 << 14)
#define CAS_3 (3 << 14)
#define BAT_SEQUENTIAL (0 << 13)
#define BAT_INTERLEAVED (1 << 13)
#define OPM_NORMAL (0x00 << 17)
#define OPM_NORMAL (0 << 17)
#define SDRAM_DEVICE_MODE (WBURST_LENGTH_BL|OPM_NORMAL|CAS_3|BAT_SEQUENTIAL|BURST_LENGTH_4)

21
lib_m68k/time.c
View file

@ -171,3 +171,24 @@ void wait_ticks (unsigned long ticks)
while (get_timer (0) < ticks);
}
#endif
/*
* This function is derived from PowerPC code (read timebase as long long).
* On M68K it just returns the timer value.
*/
unsigned long long get_ticks(void)
{
return get_timer(0);
}
/*
* This function is derived from PowerPC code (timebase clock frequency).
* On M68K it returns the number of timer ticks per second.
*/
ulong get_tbclk (void)
{
ulong tbclk;
tbclk = CFG_HZ;
return tbclk;
}