diff options
Diffstat (limited to 'arch/m68knommu/platform')
-rw-r--r-- | arch/m68knommu/platform/520x/Makefile | 19 | ||||
-rw-r--r-- | arch/m68knommu/platform/520x/config.c | 65 | ||||
-rw-r--r-- | arch/m68knommu/platform/5307/Makefile | 1 | ||||
-rw-r--r-- | arch/m68knommu/platform/5307/head.S | 3 | ||||
-rw-r--r-- | arch/m68knommu/platform/5307/ints.c | 1 | ||||
-rw-r--r-- | arch/m68knommu/platform/5307/pit.c | 12 |
6 files changed, 95 insertions, 6 deletions
diff --git a/arch/m68knommu/platform/520x/Makefile b/arch/m68knommu/platform/520x/Makefile new file mode 100644 index 00000000000..e861b05106b --- /dev/null +++ b/arch/m68knommu/platform/520x/Makefile @@ -0,0 +1,19 @@ +# +# Makefile for the M5208 specific file. +# + +# +# 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/520x/config.c b/arch/m68knommu/platform/520x/config.c new file mode 100644 index 00000000000..71dea2e0f45 --- /dev/null +++ b/arch/m68knommu/platform/520x/config.c @@ -0,0 +1,65 @@ +/***************************************************************************/ + +/* + * linux/arch/m68knommu/platform/520x/config.c + * + * Copyright (C) 2005, Freescale (www.freescale.com) + * Copyright (C) 2005, Intec Automation (mike@steroidmicros.com) + * Copyright (C) 1999-2003, Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) + */ + +/***************************************************************************/ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <asm/machdep.h> +#include <asm/dma.h> + +/***************************************************************************/ + +/* + * DMA channel base address table. + */ +unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS]; +unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; + +/***************************************************************************/ + +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); + +/***************************************************************************/ + +/* + * Program the vector to be an auto-vectored. + */ + +void mcf_autovector(unsigned int vec) +{ + /* Everything is auto-vectored on the 520x devices */ +} + +/***************************************************************************/ + +void config_BSP(char *commandp, int size) +{ +#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; +} + +/***************************************************************************/ diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile index 6fe5a2b8fb0..8d1619dc1ea 100644 --- a/arch/m68knommu/platform/5307/Makefile +++ b/arch/m68knommu/platform/5307/Makefile @@ -19,6 +19,7 @@ endif obj-$(CONFIG_COLDFIRE) += entry.o vectors.o ints.o obj-$(CONFIG_M5206) += timers.o obj-$(CONFIG_M5206e) += timers.o +obj-$(CONFIG_M520x) += pit.o obj-$(CONFIG_M523x) += pit.o obj-$(CONFIG_M5249) += timers.o obj-$(CONFIG_M527x) += pit.o diff --git a/arch/m68knommu/platform/5307/head.S b/arch/m68knommu/platform/5307/head.S index 7f4ba837901..c30c462b99b 100644 --- a/arch/m68knommu/platform/5307/head.S +++ b/arch/m68knommu/platform/5307/head.S @@ -113,6 +113,9 @@ #define MEM_BASE 0x02000000 #define VBR_BASE 0x20000000 /* vectors in SRAM */ #endif +#if defined(CONFIG_M5208EVB) +#define MEM_BASE 0x40000000 +#endif #ifndef MEM_BASE #define MEM_BASE 0x00000000 /* memory base at address 0 */ diff --git a/arch/m68knommu/platform/5307/ints.c b/arch/m68knommu/platform/5307/ints.c index 0117754d44f..a134fb2f056 100644 --- a/arch/m68knommu/platform/5307/ints.c +++ b/arch/m68knommu/platform/5307/ints.c @@ -26,6 +26,7 @@ #include <asm/system.h> #include <asm/irq.h> +#include <asm/irqnode.h> #include <asm/traps.h> #include <asm/page.h> #include <asm/machdep.h> diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c index a9b2c2e7e28..323f2677e49 100644 --- a/arch/m68knommu/platform/5307/pit.c +++ b/arch/m68knommu/platform/5307/pit.c @@ -3,7 +3,7 @@ /* * pit.c -- Motorola ColdFire PIT timer. Currently this type of * hardware timer only exists in the Motorola ColdFire - * 5270/5271 and 5282 CPUs. + * 5270/5271, 5282 and other CPUs. * * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com) * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com) @@ -47,10 +47,10 @@ void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)) icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + MCFINT_PIT1); - *icrp = 0x2b; /* PIT1 with level 5, priority 3 */ + *icrp = ICR_INTRCONF; - imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH); - *imrp &= ~(1 << (MCFINT_PIT1 - 32)); + imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR); + *imrp &= ~MCFPIT_IMR_IBIT; /* Set up PIT timer 1 as poll clock */ tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1); @@ -70,7 +70,7 @@ unsigned long coldfire_pit_offset(void) unsigned long pmr, pcntr, offset; tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1); - ipr = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IPRH); + ipr = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR); pmr = *(&tp->pmr); pcntr = *(&tp->pcntr); @@ -80,7 +80,7 @@ unsigned long coldfire_pit_offset(void) * timer interupt is pending, then add on a ticks worth of time. */ offset = ((pmr - pcntr) * (1000000 / HZ)) / pmr; - if ((offset < (1000000 / HZ / 2)) && (*ipr & (1 << (MCFINT_PIT1 - 32)))) + if ((offset < (1000000 / HZ / 2)) && (*ipr & MCFPIT_IMR_IBIT)) offset += 1000000 / HZ; return offset; } |