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* Patch by Philippe Robin, 09 Mar 2004:

Browse Source 
Added ARM Integrator AP, CP and Versatile PB926EJ-S Reference
  Platform support.

* Patch by Masami Komiya, 08 Mar 2004:
  Don't overwrite server IP address or boot file name
  when the boot server does not return values

* Patch by listmember@orkun.us, 5 Mar 2004:
  Removed compile time restriction on CFG_I2C_SPEED for DS1338 RTC
This commit is contained in:
wdenk
2004-03-14 15:06:13 +00:00
parent 4d13cbad1c
commit 3d3befa754
33 changed files with 3640 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
cpu/arm926ejs/interrupts.c
View File

@@ -10,9 +10,12 @@
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
* (C) Copyright 2002
* (C) Copyright 2002-2004
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
*
* (C) Copyright 2004
* Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -41,7 +44,15 @@ extern void reset_cpu(ulong addr);
#define TIMER_LOAD_VAL 0xffffffff
/* macro to read the 32 bit timer */
#ifdef CONFIG_OMAP
#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+8))
#endif
#ifdef CONFIG_INTEGRATOR
#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+4))
#endif
#ifdef CONFIG_VERSATILE
#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+4))
#endif
#ifdef CONFIG_USE_IRQ
/* enable IRQ interrupts */
@@ -182,12 +193,26 @@ static ulong lastdec;
/* nothing really to do with interrupts, just starts up a counter. */
int interrupt_init (void)
{
#ifdef CONFIG_OMAP
int32_t val;
/* Start the decrementer ticking down from 0xffffffff */
*((int32_t *) (CFG_TIMERBASE + LOAD_TIM)) = TIMER_LOAD_VAL;
val = MPUTIM_ST | MPUTIM_AR | MPUTIM_CLOCK_ENABLE | (CFG_PVT << MPUTIM_PTV_BIT);
*((int32_t *) (CFG_TIMERBASE + CNTL_TIMER)) = val;
#endif /* CONFIG_OMAP */
#ifdef CONFIG_INTEGRATOR
/* Load timer with initial value */
*(volatile ulong *)(CFG_TIMERBASE + 0) = TIMER_LOAD_VAL;
/* Set timer to be enabled, free-running, no interrupts, 256 divider */
*(volatile ulong *)(CFG_TIMERBASE + 8) = 0x8C;
#endif /* CONFIG_INTEGRATOR */
#ifdef CONFIG_VERSATILE
*(volatile ulong *)(CFG_TIMERBASE + 0) = CFG_TIMER_RELOAD; /* TimerLoad */
*(volatile ulong *)(CFG_TIMERBASE + 4) = CFG_TIMER_RELOAD; /* TimerValue */
*(volatile ulong *)(CFG_TIMERBASE + 8) = 0x8C;
/* *(volatile ulong *)(CFG_TIMERBASE + 8) = CFG_TIMER_CTRL | 0x40; Periodic */
#endif /* CONFIG_VERSATILE */
/* init the timestamp and lastdec value */
reset_timer_masked();