summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/arm926ejs/at91/cpu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91/cpu.c')
-rw-r--r--arch/arm/cpu/arm926ejs/at91/cpu.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/cpu.c b/arch/arm/cpu/arm926ejs/at91/cpu.c
deleted file mode 100644
index 5e30f1d..0000000
--- a/arch/arm/cpu/arm926ejs/at91/cpu.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * (C) Copyright 2010
- * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
- * (C) Copyright 2009
- * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * 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
- */
-
-#include <common.h>
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_pit.h>
-#include <asm/arch/at91_gpbr.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/io.h>
-
-#ifndef CONFIG_SYS_AT91_MAIN_CLOCK
-#define CONFIG_SYS_AT91_MAIN_CLOCK 0
-#endif
-
-int arch_cpu_init(void)
-{
- return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK);
-}
-
-void arch_preboot_os(void)
-{
- ulong cpiv;
- at91_pit_t *pit = (at91_pit_t *) AT91_PIT_BASE;
-
- cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir));
-
- /*
- * Disable PITC
- * Add 0x1000 to current counter to stop it faster
- * without waiting for wrapping back to 0
- */
- writel(cpiv + 0x1000, &pit->mr);
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo(void)
-{
- char buf[32];
-
- printf("CPU: %s\n", CONFIG_SYS_AT91_CPU_NAME);
- printf("Crystal frequency: %8s MHz\n",
- strmhz(buf, get_main_clk_rate()));
- printf("CPU clock : %8s MHz\n",
- strmhz(buf, get_cpu_clk_rate()));
- printf("Master clock : %8s MHz\n",
- strmhz(buf, get_mck_clk_rate()));
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_BOOTCOUNT_LIMIT
-/*
- * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register.
- * This is done so we need to use only one of the four GPBR registers.
- */
-void bootcount_store (ulong a)
-{
- at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE;
-
- writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff),
- &gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
-}
-
-ulong bootcount_load (void)
-{
- at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE;
-
- ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
- if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
- return 0;
- else
- return val & 0x0000ffff;
-}
-
-#endif /* CONFIG_BOOTCOUNT_LIMIT */