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-rw-r--r--arch/m68knommu/platform/5206/config.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c
new file mode 100644
index 000000000000..987c91a9a206
--- /dev/null
+++ b/arch/m68knommu/platform/5206/config.c
@@ -0,0 +1,117 @@
+/***************************************************************************/
+
+/*
+ * linux/arch/m68knommu/platform/5206/config.c
+ *
+ * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 2000-2001, Lineo Inc. (www.lineo.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/irq.h>
+#include <asm/dma.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcftimer.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfdma.h>
+
+/***************************************************************************/
+
+void coldfire_tick(void);
+void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
+unsigned long coldfire_timer_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,
+ MCF_MBAR + MCFDMA_BASE1,
+};
+
+unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+
+/***************************************************************************/
+
+void mcf_autovector(unsigned int vec)
+{
+ volatile unsigned char *mbar;
+ unsigned char icr;
+
+ if ((vec >= 25) && (vec <= 31)) {
+ vec -= 25;
+ mbar = (volatile unsigned char *) MCF_MBAR;
+ icr = MCFSIM_ICR_AUTOVEC | (vec << 3);
+ *(mbar + MCFSIM_ICR1 + vec) = icr;
+ vec = 0x1 << (vec + 1);
+ mcf_setimr(mcf_getimr() & ~vec);
+ }
+}
+
+/***************************************************************************/
+
+void mcf_settimericr(unsigned int timer, unsigned int level)
+{
+ volatile unsigned char *icrp;
+ unsigned int icr, imr;
+
+ if (timer <= 2) {
+ switch (timer) {
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ }
+
+ icrp = (volatile unsigned char *) (MCF_MBAR + icr);
+ *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
+ mcf_setimr(mcf_getimr() & ~imr);
+ }
+}
+
+/***************************************************************************/
+
+int mcf_timerirqpending(int timer)
+{
+ unsigned int imr = 0;
+
+ switch (timer) {
+ case 1: imr = MCFSIM_IMR_TIMER1; break;
+ case 2: imr = MCFSIM_IMR_TIMER2; break;
+ default: break;
+ }
+ return (mcf_getipr() & imr);
+}
+
+/***************************************************************************/
+
+void config_BSP(char *commandp, int size)
+{
+ mcf_setimr(MCFSIM_IMR_MASKALL);
+
+#if defined(CONFIG_BOOTPARAM)
+ strncpy(commandp, CONFIG_BOOTPARAM_STRING, size);
+ commandp[size-1] = 0;
+#else
+ memset(commandp, 0, size);
+#endif
+
+ mach_sched_init = coldfire_timer_init;
+ mach_tick = coldfire_tick;
+ mach_gettimeoffset = coldfire_timer_offset;
+ mach_trap_init = coldfire_trap_init;
+ mach_reset = coldfire_reset;
+}
+
+/***************************************************************************/