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authorwdenk <wdenk>2003-05-23 12:36:20 +0000
committerwdenk <wdenk>2003-05-23 12:36:20 +0000
commit4c3b21a5f915988e3d9681cf9cb566bb7bd56859 (patch)
tree2ed1d16a43a353157b47aed11c6312a2caa76d82 /cpu/xscale/cpu.c
parentd9ff6e84e49cd95323172e6a70a21b7a5c879901 (diff)
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Patch by Kyle Harris, 20 May 2003:
In preparation for an ixp port, rename cpu/xscale and arch-xscale into cpu/pxa and arch-pxa.
Diffstat (limited to 'cpu/xscale/cpu.c')
-rw-r--r--cpu/xscale/cpu.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/cpu/xscale/cpu.c b/cpu/xscale/cpu.c
deleted file mode 100644
index 6a3c24d..0000000
--- a/cpu/xscale/cpu.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-
-int cpu_init (void)
-{
- /*
- * setup up stack if necessary
- */
-/*
-
- FIXME: the stack is _below_ the uboot code!!
-
-#ifdef CONFIG_USE_IRQ
- IRQ_STACK_START = _armboot_end +
- CONFIG_STACKSIZE + CONFIG_STACKSIZE_IRQ - 4;
- FIQ_STACK_START = IRQ_STACK_START + CONFIG_STACKSIZE_FIQ;
- _armboot_real_end = FIQ_STACK_START + 4;
-#else
- _armboot_real_end = _armboot_end + CONFIG_STACKSIZE;
-#endif
-*/
- return (0);
-}
-
-int cleanup_before_linux (void)
-{
- /*
- * this function is called just before we call linux
- * it prepares the processor for linux
- *
- * just disable everything that can disturb booting linux
- */
-
- unsigned long i;
-
- disable_interrupts ();
-
- /* turn off I-cache */
- asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
- i &= ~0x1000;
- asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-
- /* flush I-cache */
- asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
-
- return (0);
-}
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- extern void reset_cpu (ulong addr);
-
- printf ("reseting ...\n");
-
- udelay (50000); /* wait 50 ms */
- disable_interrupts ();
- reset_cpu (0);
-
- /*NOTREACHED*/
- return (0);
-}
-
-/* taken from blob */
-void icache_enable (void)
-{
- register u32 i;
-
- /* read control register */
- asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
- /* set i-cache */
- i |= 0x1000;
-
- /* write back to control register */
- asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-}
-
-void icache_disable (void)
-{
- register u32 i;
-
- /* read control register */
- asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
- /* clear i-cache */
- i &= ~0x1000;
-
- /* write back to control register */
- asm ("mcr p15, 0, %0, c1, c0, 0": :"r" (i));
-
- /* flush i-cache */
- asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
-}
-
-int icache_status (void)
-{
- register u32 i;
-
- /* read control register */
- asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
-
- /* return bit */
- return (i & 0x1000);
-}
-
-/* we will never enable dcache, because we have to setup MMU first */
-void dcache_enable (void)
-{
- return;
-}
-
-void dcache_disable (void)
-{
- return;
-}
-
-int dcache_status (void)
-{
- return 0; /* always off */
-}