summaryrefslogtreecommitdiffstats
path: root/arch/m68knommu/platform/527x
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68knommu/platform/527x')
-rw-r--r--arch/m68knommu/platform/527x/Makefile20
-rw-r--r--arch/m68knommu/platform/527x/config.c82
2 files changed, 102 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/527x/Makefile b/arch/m68knommu/platform/527x/Makefile
new file mode 100644
index 00000000000..0871a29dd58
--- /dev/null
+++ b/arch/m68knommu/platform/527x/Makefile
@@ -0,0 +1,20 @@
+#
+# Makefile for the linux kernel.
+#
+
+#
+# If you want to play with the HW breakpoints then you will
+# need to add define this, which will give you a stack backtrace
+# on the console port whenever a DBG interrupt occurs. You have to
+# set up you HW breakpoints to trigger a DBG interrupt:
+#
+# EXTRA_CFLAGS += -DTRAP_DBG_INTERRUPT
+# EXTRA_AFLAGS += -DTRAP_DBG_INTERRUPT
+#
+
+ifdef CONFIG_FULLDEBUG
+AFLAGS += -DDEBUGGER_COMPATIBLE_CACHE=1
+endif
+
+obj-y := config.o
+
diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c
new file mode 100644
index 00000000000..804de33cd6b
--- /dev/null
+++ b/arch/m68knommu/platform/527x/config.c
@@ -0,0 +1,82 @@
+/***************************************************************************/
+
+/*
+ * linux/arch/m68knommu/platform/527x/config.c
+ *
+ * Sub-architcture dependant initialization code for the Freescale
+ * 5270/5271 CPUs.
+ *
+ * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/dma.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfdma.h>
+
+/***************************************************************************/
+
+void coldfire_pit_tick(void);
+void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
+unsigned long coldfire_pit_offset(void);
+void coldfire_trap_init(void);
+void coldfire_reset(void);
+
+/***************************************************************************/
+
+/*
+ * DMA channel base address table.
+ */
+unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
+ MCF_MBAR + MCFDMA_BASE0,
+};
+
+unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+
+/***************************************************************************/
+
+void mcf_disableall(void)
+{
+ *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
+ *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL)) = 0xffffffff;
+}
+
+/***************************************************************************/
+
+void mcf_autovector(unsigned int vec)
+{
+ /* Everything is auto-vectored on the 5272 */
+}
+
+/***************************************************************************/
+
+void config_BSP(char *commandp, int size)
+{
+ mcf_disableall();
+
+#ifdef CONFIG_BOOTPARAM
+ strncpy(commandp, CONFIG_BOOTPARAM_STRING, size);
+ commandp[size-1] = 0;
+#else
+ memset(commandp, 0, size);
+#endif
+
+ mach_sched_init = coldfire_pit_init;
+ mach_tick = coldfire_pit_tick;
+ mach_gettimeoffset = coldfire_pit_offset;
+ mach_trap_init = coldfire_trap_init;
+ mach_reset = coldfire_reset;
+}
+
+/***************************************************************************/