blackfin: Move cpu/blackfin/* to arch/blackfin/cpu/*

[u-boot] / cpu / blackfin / interrupts.c

diff --git a/cpu/blackfin/interrupts.c b/cpu/blackfin/interrupts.c
deleted file mode 100644 (file)
index 54a67b4..0000000
--- a/cpu/blackfin/interrupts.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * U-boot - interrupts.c Interrupt related routines
- *
- * Copyright (c) 2005-2008 Analog Devices Inc.
- *
- * This file is based on interrupts.c
- * Copyright 1996 Roman Zippel
- * Copyright 1999 D. Jeff Dionne <jeff@uclinux.org>
- * Copyright 2000-2001 Lineo, Inc. D. Jefff Dionne <jeff@lineo.ca>
- * Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
- * Copyright 2003 Metrowerks/Motorola
- * Copyright 2003 Bas Vermeulen <bas@buyways.nl>,
- *                     BuyWays B.V. (www.buyways.nl)
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <config.h>
-#include <watchdog.h>
-#include <asm/blackfin.h>
-#include "cpu.h"
-
-static ulong timestamp;
-static ulong last_time;
-static int int_flag;
-
-int irq_flags;                 /* needed by asm-blackfin/system.h */
-
-/* Functions just to satisfy the linker */
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On Blackfin 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 Blackfin it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
-       ulong tbclk;
-
-       tbclk = CONFIG_SYS_HZ;
-       return tbclk;
-}
-
-void enable_interrupts(void)
-{
-       local_irq_restore(int_flag);
-}
-
-int disable_interrupts(void)
-{
-       local_irq_save(int_flag);
-       return 1;
-}
-
-void __udelay(unsigned long usec)
-{
-       unsigned long delay, start, stop;
-       unsigned long cclk;
-       cclk = (CONFIG_CCLK_HZ);
-
-       while (usec > 1) {
-               WATCHDOG_RESET();
-
-               /*
-                * how many clock ticks to delay?
-                *  - request(in useconds) * clock_ticks(Hz) / useconds/second
-                */
-               if (usec < 1000) {
-                       delay = (usec * (cclk / 244)) >> 12;
-                       usec = 0;
-               } else {
-                       delay = (1000 * (cclk / 244)) >> 12;
-                       usec -= 1000;
-               }
-
-               asm volatile (" %0 = CYCLES;" : "=r" (start));
-               do {
-                       asm volatile (" %0 = CYCLES; " : "=r" (stop));
-               } while (stop - start < delay);
-       }
-
-       return;
-}
-
-#define MAX_TIM_LOAD   0xFFFFFFFF
-int timer_init(void)
-{
-       bfin_write_TCNTL(0x1);
-       CSYNC();
-       bfin_write_TSCALE(0x0);
-       bfin_write_TCOUNT(MAX_TIM_LOAD);
-       bfin_write_TPERIOD(MAX_TIM_LOAD);
-       bfin_write_TCNTL(0x7);
-       CSYNC();
-
-       timestamp = 0;
-       last_time = 0;
-
-       return 0;
-}
-
-/*
- * Any network command or flash
- * command is started get_timer shall
- * be called before TCOUNT gets reset,
- * to implement the accurate timeouts.
- *
- * How ever milliconds doesn't return
- * the number that has been elapsed from
- * the last reset.
- *
- * As get_timer is used in the u-boot
- * only for timeouts this should be
- * sufficient
- */
-ulong get_timer(ulong base)
-{
-       ulong milisec;
-
-       /* Number of clocks elapsed */
-       ulong clocks = (MAX_TIM_LOAD - bfin_read_TCOUNT());
-
-       /*
-        * Find if the TCOUNT is reset
-        * timestamp gives the number of times
-        * TCOUNT got reset
-        */
-       if (clocks < last_time)
-               timestamp++;
-       last_time = clocks;
-
-       /* Get the number of milliseconds */
-       milisec = clocks / (CONFIG_CCLK_HZ / 1000);
-
-       /*
-        * Find the number of millisonds that
-        * got elapsed before this TCOUNT cycle
-        */
-       milisec += timestamp * (MAX_TIM_LOAD / (CONFIG_CCLK_HZ / 1000));
-
-       return (milisec - base);
-}
-
-void reset_timer(void)
-{
-       timer_init();
-}