arm920t/at91: use new clock.c features
This patch enables the new clock features from arm920t/at91/clock.c. This
is an required step to get at91rm9200_usart replaced by atmel_usart driver.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Jens Scharsig <js_at_ng@scharsoft.de>
Cc: Eric Bénard <eric@eukrea.com>
diff --git a/arch/arm/cpu/arm920t/at91/Makefile b/arch/arm/cpu/arm920t/at91/Makefile
index 8258ecd..4417dfe 100644
--- a/arch/arm/cpu/arm920t/at91/Makefile
+++ b/arch/arm/cpu/arm920t/at91/Makefile
@@ -29,6 +29,7 @@
COBJS += reset.o
COBJS += timer.o
COBJS += clock.o
+COBJS += cpu.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/arch/arm/cpu/arm920t/at91/cpu.c b/arch/arm/cpu/arm920t/at91/cpu.c
new file mode 100644
index 0000000..74a1158
--- /dev/null
+++ b/arch/arm/cpu/arm920t/at91/cpu.c
@@ -0,0 +1,43 @@
+/*
+ * [origin: arch/arm/cpu/arm926ejs/at91/cpu.c]
+ *
+ * (C) Copyright 2011
+ * Andreas Bießmann, andreas.devel@googlemail.com
+ * (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/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clk.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);
+}
+
diff --git a/arch/arm/include/asm/arch-at91/at91rm9200.h b/arch/arm/include/asm/arch-at91/at91rm9200.h
index f1912e2..fd774b4 100644
--- a/arch/arm/include/asm/arch-at91/at91rm9200.h
+++ b/arch/arm/include/asm/arch-at91/at91rm9200.h
@@ -22,6 +22,7 @@
#define __AT91RM9200_H__
#define CONFIG_AT91FAMILY /* it's a member of AT91 */
+#define CONFIG_ARCH_CPU_INIT /* we need arch_cpu_init() for hw timers */
#define CONFIG_ARM920T /* This is an ARM920T Core */
/* Periperial Identifiers */
diff --git a/include/configs/at91rm9200ek.h b/include/configs/at91rm9200ek.h
index 16cd214..ee199ab 100644
--- a/include/configs/at91rm9200ek.h
+++ b/include/configs/at91rm9200ek.h
@@ -55,6 +55,7 @@
* CONFIG_SYS_HZ is the tick rate for timer tc0
*/
#define AT91C_XTAL_CLOCK 18432000
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39)
#define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 )
#define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
@@ -66,6 +67,8 @@
#define CONFIG_CPUAT91
#define USE_920T_MMU
+#include <asm/hardware.h> /* needed for port definitions */
+
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index cfaef15..2bda72b 100644
--- a/include/configs/cpuat91.h
+++ b/include/configs/cpuat91.h
@@ -37,6 +37,7 @@
#endif
#define AT91C_XTAL_CLOCK 18432000
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39)
#define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3)
#define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
@@ -45,11 +46,11 @@
#define CONFIG_ARM920T
#define CONFIG_AT91RM9200
#define CONFIG_CPUAT91
-#define CONFIG_AT91FAMILY
-
#undef CONFIG_USE_IRQ
#define USE_920T_MMU
+#include <asm/hardware.h> /* needed for port definitions */
+
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
diff --git a/include/configs/eb_cpux9k2.h b/include/configs/eb_cpux9k2.h
index e12770a..25b28f5 100644
--- a/include/configs/eb_cpux9k2.h
+++ b/include/configs/eb_cpux9k2.h
@@ -36,7 +36,7 @@
#define CONFIG_VERSION_VARIABLE
#define CONFIG_IDENT_STRING " on EB+CPUx9K2"
-#include <asm/arch/hardware.h> /* needed for port definitions */
+#include <asm/hardware.h> /* needed for port definitions */
#define CONFIG_MISC_INIT_R
@@ -69,7 +69,7 @@
#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
-#define AT91_SLOW_CLOCK 32768 /* slow clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock */
#define CONFIG_CMDLINE_TAG 1
#define CONFIG_SETUP_MEMORY_TAGS 1