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authorZachary P. Landau <zachary.landau@labxtechnologies.com>2006-01-26 17:35:56 -0500
committerZachary P. Landau <zachary.landau@labxtechnologies.com>2006-01-26 17:35:56 -0500
commiteacbd317757327e8e7f018f5701c950429c4c6ae (patch)
treef5a0b6fffe7391bd7c2cf3165b0b1c7171a5df84 /cpu/mcf52x2/cpu_init.c
parentc4b465f63e3b6fc998526dc217ff988e5c91e667 (diff)
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Add support for Freescale M5271 processor
Diffstat (limited to 'cpu/mcf52x2/cpu_init.c')
-rw-r--r--cpu/mcf52x2/cpu_init.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 350c431..d33adc2 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -24,6 +24,11 @@
#include <common.h>
#include <watchdog.h>
+#ifdef CONFIG_M5271
+#include <asm/m5271.h>
+#include <asm/immap_5271.h>
+#endif
+
#ifdef CONFIG_M5272
#include <asm/m5272.h>
#include <asm/immap_5272.h>
@@ -38,6 +43,38 @@
#include <asm/m5249.h>
#endif
+#if defined(CONFIG_M5271)
+void cpu_init_f (void)
+{
+#ifndef CONFIG_WATCHDOG
+ /* Disable the watchdog if we aren't using it */
+ mbar_writeShort(MCF_WTM_WCR, 0);
+#endif
+
+ /* Set clockspeed to 100MHz */
+ mbar_writeShort(MCF_FMPLL_SYNCR,
+ MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
+ while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK);
+
+ /* Enable UART pins */
+ mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
+ MCF_GPIO_PAR_UART_U0RXD |
+ MCF_GPIO_PAR_UART_U1RXD_UART1 |
+ MCF_GPIO_PAR_UART_U1TXD_UART1);
+
+ /* Enable Ethernet pins */
+ mbar_writeByte(MCF_GPIO_PAR_FECI2C, CFG_FECI2C);
+}
+
+/*
+ * initialize higher level parts of CPU like timers
+ */
+int cpu_init_r (void)
+{
+ return (0);
+}
+#endif
+
#if defined(CONFIG_M5272)
/*
* Breath some life into the CPU...