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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 16:44:27 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 16:44:27 +0200
commit4b37ba90f49d4157ac5628f8d730d3505f176724 (patch)
treefdb3d04426f7b72ee86b1f06be746624494493c5 /arch/m68k
parentMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jiko... (diff)
parentm68knommu: convert to using tracehook_report_syscall_* (diff)
downloadlinux-4b37ba90f49d4157ac5628f8d730d3505f176724.tar.xz
linux-4b37ba90f49d4157ac5628f8d730d3505f176724.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (21 commits) m68knommu: convert to using tracehook_report_syscall_* m68knommu: some boards use fixed phy for FEC ethernet m68knommu: support the external GPIO based interrupts of the 5272 m68knommu: mask of vector bits in exception word properly m68knommu: change to new flag variables m68knommu: Fix MCFUART_TXFIFOSIZE for m548x. m68knommu: add basic mmu-less m548x support m68knommu: .gitignore vmlinux.lds m68knommu: stop using __do_IRQ m68knommu: rename PT_OFF_VECTOR to PT_OFF_FORMATVEC. m68knommu: add support for Coldfire 547x/548x interrupt controller m68k{nommu}: Remove unused DEFINE's from asm-offsets.c m68knommu: whitespace cleanup in 68328/entry.S m68knommu: Document supported chips in intc-2.c and intc-simr.c. m68knommu: fix strace support for 68328/68360 m68knommu: fix default starting date arch/m68knommu: Removing dead 68328_SERIAL_UART2 config option arch/m68knommu: Removing dead RAM_{16,32}_MB config option arch/m68knommu: Removing dead M68KFPU_EMU config option arch/m68knommu: Removing dead RELOCATE config option ...
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/cacheflush_no.h2
-rw-r--r--arch/m68k/include/asm/coldfire.h4
-rw-r--r--arch/m68k/include/asm/gpio.h7
-rw-r--r--arch/m68k/include/asm/m548xgpt.h88
-rw-r--r--arch/m68k/include/asm/m548xsim.h55
-rw-r--r--arch/m68k/include/asm/mcfcache.h2
-rw-r--r--arch/m68k/include/asm/mcfsim.h2
-rw-r--r--arch/m68k/include/asm/mcfslt.h44
-rw-r--r--arch/m68k/include/asm/mcfuart.h9
-rw-r--r--arch/m68k/kernel/asm-offsets.c12
10 files changed, 208 insertions, 17 deletions
diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index 89f195656be7..7085bd51668b 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -29,7 +29,7 @@
static inline void __flush_cache_all(void)
{
-#ifdef CONFIG_M5407
+#if defined(CONFIG_M5407) || defined(CONFIG_M548x)
/*
* Use cpushl to push and invalidate all cache lines.
* Gas doesn't seem to know how to generate the ColdFire
diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h
index 83a9fa4e618a..3b0a34d0fe33 100644
--- a/arch/m68k/include/asm/coldfire.h
+++ b/arch/m68k/include/asm/coldfire.h
@@ -32,7 +32,9 @@
*/
#define MCF_MBAR 0x10000000
#define MCF_MBAR2 0x80000000
-#if defined(CONFIG_M520x)
+#if defined(CONFIG_M548x)
+#define MCF_IPSBAR MCF_MBAR
+#elif defined(CONFIG_M520x)
#define MCF_IPSBAR 0xFC000000
#else
#define MCF_IPSBAR 0x40000000
diff --git a/arch/m68k/include/asm/gpio.h b/arch/m68k/include/asm/gpio.h
index 283214dc65a7..1b57adbafad5 100644
--- a/arch/m68k/include/asm/gpio.h
+++ b/arch/m68k/include/asm/gpio.h
@@ -36,7 +36,8 @@
*/
#if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || \
defined(CONFIG_M520x) || defined(CONFIG_M523x) || \
- defined(CONFIG_M527x) || defined(CONFIG_M528x) || defined(CONFIG_M532x)
+ defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M532x) || defined(CONFIG_M548x)
/* These parts have GPIO organized by 8 bit ports */
@@ -136,6 +137,8 @@ static inline u32 __mcf_gpio_ppdr(unsigned gpio)
#endif
else
return MCFGPIO_PPDR + mcfgpio_port(gpio - MCFGPIO_SCR_START);
+#else
+ return 0;
#endif
}
@@ -173,6 +176,8 @@ static inline u32 __mcf_gpio_podr(unsigned gpio)
#endif
else
return MCFGPIO_PODR + mcfgpio_port(gpio - MCFGPIO_SCR_START);
+#else
+ return 0;
#endif
}
diff --git a/arch/m68k/include/asm/m548xgpt.h b/arch/m68k/include/asm/m548xgpt.h
new file mode 100644
index 000000000000..c8ef158a1c4e
--- /dev/null
+++ b/arch/m68k/include/asm/m548xgpt.h
@@ -0,0 +1,88 @@
+/*
+ * File: m548xgpt.h
+ * Purpose: Register and bit definitions for the MCF548X
+ *
+ * Notes:
+ *
+ */
+
+#ifndef m548xgpt_h
+#define m548xgpt_h
+
+/*********************************************************************
+*
+* General Purpose Timers (GPT)
+*
+*********************************************************************/
+
+/* Register read/write macros */
+#define MCF_GPT_GMS0 0x000800
+#define MCF_GPT_GCIR0 0x000804
+#define MCF_GPT_GPWM0 0x000808
+#define MCF_GPT_GSR0 0x00080C
+#define MCF_GPT_GMS1 0x000810
+#define MCF_GPT_GCIR1 0x000814
+#define MCF_GPT_GPWM1 0x000818
+#define MCF_GPT_GSR1 0x00081C
+#define MCF_GPT_GMS2 0x000820
+#define MCF_GPT_GCIR2 0x000824
+#define MCF_GPT_GPWM2 0x000828
+#define MCF_GPT_GSR2 0x00082C
+#define MCF_GPT_GMS3 0x000830
+#define MCF_GPT_GCIR3 0x000834
+#define MCF_GPT_GPWM3 0x000838
+#define MCF_GPT_GSR3 0x00083C
+#define MCF_GPT_GMS(x) (0x000800+((x)*0x010))
+#define MCF_GPT_GCIR(x) (0x000804+((x)*0x010))
+#define MCF_GPT_GPWM(x) (0x000808+((x)*0x010))
+#define MCF_GPT_GSR(x) (0x00080C+((x)*0x010))
+
+/* Bit definitions and macros for MCF_GPT_GMS */
+#define MCF_GPT_GMS_TMS(x) (((x)&0x00000007)<<0)
+#define MCF_GPT_GMS_GPIO(x) (((x)&0x00000003)<<4)
+#define MCF_GPT_GMS_IEN (0x00000100)
+#define MCF_GPT_GMS_OD (0x00000200)
+#define MCF_GPT_GMS_SC (0x00000400)
+#define MCF_GPT_GMS_CE (0x00001000)
+#define MCF_GPT_GMS_WDEN (0x00008000)
+#define MCF_GPT_GMS_ICT(x) (((x)&0x00000003)<<16)
+#define MCF_GPT_GMS_OCT(x) (((x)&0x00000003)<<20)
+#define MCF_GPT_GMS_OCPW(x) (((x)&0x000000FF)<<24)
+#define MCF_GPT_GMS_OCT_FRCLOW (0x00000000)
+#define MCF_GPT_GMS_OCT_PULSEHI (0x00100000)
+#define MCF_GPT_GMS_OCT_PULSELO (0x00200000)
+#define MCF_GPT_GMS_OCT_TOGGLE (0x00300000)
+#define MCF_GPT_GMS_ICT_ANY (0x00000000)
+#define MCF_GPT_GMS_ICT_RISE (0x00010000)
+#define MCF_GPT_GMS_ICT_FALL (0x00020000)
+#define MCF_GPT_GMS_ICT_PULSE (0x00030000)
+#define MCF_GPT_GMS_GPIO_INPUT (0x00000000)
+#define MCF_GPT_GMS_GPIO_OUTLO (0x00000020)
+#define MCF_GPT_GMS_GPIO_OUTHI (0x00000030)
+#define MCF_GPT_GMS_TMS_DISABLE (0x00000000)
+#define MCF_GPT_GMS_TMS_INCAPT (0x00000001)
+#define MCF_GPT_GMS_TMS_OUTCAPT (0x00000002)
+#define MCF_GPT_GMS_TMS_PWM (0x00000003)
+#define MCF_GPT_GMS_TMS_GPIO (0x00000004)
+
+/* Bit definitions and macros for MCF_GPT_GCIR */
+#define MCF_GPT_GCIR_CNT(x) (((x)&0x0000FFFF)<<0)
+#define MCF_GPT_GCIR_PRE(x) (((x)&0x0000FFFF)<<16)
+
+/* Bit definitions and macros for MCF_GPT_GPWM */
+#define MCF_GPT_GPWM_LOAD (0x00000001)
+#define MCF_GPT_GPWM_PWMOP (0x00000100)
+#define MCF_GPT_GPWM_WIDTH(x) (((x)&0x0000FFFF)<<16)
+
+/* Bit definitions and macros for MCF_GPT_GSR */
+#define MCF_GPT_GSR_CAPT (0x00000001)
+#define MCF_GPT_GSR_COMP (0x00000002)
+#define MCF_GPT_GSR_PWMP (0x00000004)
+#define MCF_GPT_GSR_TEXP (0x00000008)
+#define MCF_GPT_GSR_PIN (0x00000100)
+#define MCF_GPT_GSR_OVF(x) (((x)&0x00000007)<<12)
+#define MCF_GPT_GSR_CAPTURE(x) (((x)&0x0000FFFF)<<16)
+
+/********************************************************************/
+
+#endif /* m548xgpt_h */
diff --git a/arch/m68k/include/asm/m548xsim.h b/arch/m68k/include/asm/m548xsim.h
new file mode 100644
index 000000000000..149135ef30d2
--- /dev/null
+++ b/arch/m68k/include/asm/m548xsim.h
@@ -0,0 +1,55 @@
+/*
+ * m548xsim.h -- ColdFire 547x/548x System Integration Unit support.
+ */
+
+#ifndef m548xsim_h
+#define m548xsim_h
+
+#define MCFINT_VECBASE 64
+
+/*
+ * Interrupt Controller Registers
+ */
+#define MCFICM_INTC0 0x0700 /* Base for Interrupt Ctrl 0 */
+#define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */
+#define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */
+#define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */
+#define MCFINTC_IMRL 0x0c /* Interrupt mask 1-31 */
+#define MCFINTC_INTFRCH 0x10 /* Interrupt force 32-63 */
+#define MCFINTC_INTFRCL 0x14 /* Interrupt force 1-31 */
+#define MCFINTC_IRLR 0x18 /* */
+#define MCFINTC_IACKL 0x19 /* */
+#define MCFINTC_ICR0 0x40 /* Base ICR register */
+
+/*
+ * Define system peripheral IRQ usage.
+ */
+#define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */
+#define MCF_IRQ_PROFILER (64 + 53) /* Slice Timer 1 */
+
+/*
+ * Generic GPIO support
+ */
+#define MCFGPIO_PIN_MAX 0 /* I am too lazy to count */
+#define MCFGPIO_IRQ_MAX -1
+#define MCFGPIO_IRQ_VECBASE -1
+
+/*
+ * Some PSC related definitions
+ */
+#define MCF_PAR_PSC(x) (0x000A4F-((x)&0x3))
+#define MCF_PAR_SDA (0x0008)
+#define MCF_PAR_SCL (0x0004)
+#define MCF_PAR_PSC_TXD (0x04)
+#define MCF_PAR_PSC_RXD (0x08)
+#define MCF_PAR_PSC_RTS(x) (((x)&0x03)<<4)
+#define MCF_PAR_PSC_CTS(x) (((x)&0x03)<<6)
+#define MCF_PAR_PSC_CTS_GPIO (0x00)
+#define MCF_PAR_PSC_CTS_BCLK (0x80)
+#define MCF_PAR_PSC_CTS_CTS (0xC0)
+#define MCF_PAR_PSC_RTS_GPIO (0x00)
+#define MCF_PAR_PSC_RTS_FSYNC (0x20)
+#define MCF_PAR_PSC_RTS_RTS (0x30)
+#define MCF_PAR_PSC_CANRX (0x40)
+
+#endif /* m548xsim_h */
diff --git a/arch/m68k/include/asm/mcfcache.h b/arch/m68k/include/asm/mcfcache.h
index c042634fadaa..f49dfc09f70a 100644
--- a/arch/m68k/include/asm/mcfcache.h
+++ b/arch/m68k/include/asm/mcfcache.h
@@ -107,7 +107,7 @@
.endm
#endif /* CONFIG_M532x */
-#if defined(CONFIG_M5407)
+#if defined(CONFIG_M5407) || defined(CONFIG_M548x)
/*
* Version 4 cores have a true harvard style separate instruction
* and data cache. Invalidate and enable cache, also enable write
diff --git a/arch/m68k/include/asm/mcfsim.h b/arch/m68k/include/asm/mcfsim.h
index 9c70a67bf85f..6901fd68165b 100644
--- a/arch/m68k/include/asm/mcfsim.h
+++ b/arch/m68k/include/asm/mcfsim.h
@@ -41,6 +41,8 @@
#elif defined(CONFIG_M5407)
#include <asm/m5407sim.h>
#include <asm/mcfintc.h>
+#elif defined(CONFIG_M548x)
+#include <asm/m548xsim.h>
#endif
/****************************************************************************/
diff --git a/arch/m68k/include/asm/mcfslt.h b/arch/m68k/include/asm/mcfslt.h
new file mode 100644
index 000000000000..d0d0ecba5333
--- /dev/null
+++ b/arch/m68k/include/asm/mcfslt.h
@@ -0,0 +1,44 @@
+/****************************************************************************/
+
+/*
+ * mcfslt.h -- ColdFire internal Slice (SLT) timer support defines.
+ *
+ * (C) Copyright 2004, Greg Ungerer (gerg@snapgear.com)
+ * (C) Copyright 2009, Philippe De Muyter (phdm@macqel.be)
+ */
+
+/****************************************************************************/
+#ifndef mcfslt_h
+#define mcfslt_h
+/****************************************************************************/
+
+/*
+ * Get address specific defines for the 547x.
+ */
+#define MCFSLT_TIMER0 0x900 /* Base address of TIMER0 */
+#define MCFSLT_TIMER1 0x910 /* Base address of TIMER1 */
+
+
+/*
+ * Define the SLT timer register set addresses.
+ */
+#define MCFSLT_STCNT 0x00 /* Terminal count */
+#define MCFSLT_SCR 0x04 /* Control */
+#define MCFSLT_SCNT 0x08 /* Current count */
+#define MCFSLT_SSR 0x0C /* Status */
+
+/*
+ * Bit definitions for the SCR control register.
+ */
+#define MCFSLT_SCR_RUN 0x04000000 /* Run mode (continuous) */
+#define MCFSLT_SCR_IEN 0x02000000 /* Interrupt enable */
+#define MCFSLT_SCR_TEN 0x01000000 /* Timer enable */
+
+/*
+ * Bit definitions for the SSR status register.
+ */
+#define MCFSLT_SSR_BE 0x02000000 /* Bus error condition */
+#define MCFSLT_SSR_TE 0x01000000 /* Timeout condition */
+
+/****************************************************************************/
+#endif /* mcfslt_h */
diff --git a/arch/m68k/include/asm/mcfuart.h b/arch/m68k/include/asm/mcfuart.h
index 01a8716c5fc5..db72e2b889ca 100644
--- a/arch/m68k/include/asm/mcfuart.h
+++ b/arch/m68k/include/asm/mcfuart.h
@@ -47,6 +47,11 @@
#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */
#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */
#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */
+#elif defined(CONFIG_M548x)
+#define MCFUART_BASE1 0x8600 /* on M548x */
+#define MCFUART_BASE2 0x8700 /* on M548x */
+#define MCFUART_BASE3 0x8800 /* on M548x */
+#define MCFUART_BASE4 0x8900 /* on M548x */
#endif
@@ -212,7 +217,9 @@ struct mcf_platform_uart {
#define MCFUART_URF_RXS 0xc0 /* Receiver status */
#endif
-#if defined(CONFIG_M5272)
+#if defined(CONFIG_M548x)
+#define MCFUART_TXFIFOSIZE 512
+#elif defined(CONFIG_M5272)
#define MCFUART_TXFIFOSIZE 25
#else
#define MCFUART_TXFIFOSIZE 1
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c
index 73e5e581245b..78e59b82ebc3 100644
--- a/arch/m68k/kernel/asm-offsets.c
+++ b/arch/m68k/kernel/asm-offsets.c
@@ -22,13 +22,9 @@
int main(void)
{
/* offsets into the task struct */
- DEFINE(TASK_STATE, offsetof(struct task_struct, state));
- DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
- DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
DEFINE(TASK_MM, offsetof(struct task_struct, mm));
- DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
#ifdef CONFIG_MMU
DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info));
#endif
@@ -64,14 +60,6 @@ int main(void)
/* bitfields are a bit difficult */
DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
- /* offsets into the irq_handler struct */
- DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
- DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
- DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
-
- /* offsets into the kernel_stat struct */
- DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
-
/* offsets into the irq_cpustat_t struct */
DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));