#define MCFSIM_DMA2ICR MCFSIM_ICR15 /* DMA 2 ICR */
#endif
-#if defined(CONFIG_M5206e)
-#define MCFSIM_IMR_MASKALL 0xfffe /* All SIM intr sources */
-#endif
-
/*
- * Macro to get and set IMR register. It is 16 bits on the 5206.
+ * Let the common interrupt handler code know that the ColdFire 5206*
+ * family of CPU's only has a 16bit sized IMR register.
*/
-#define mcf_getimr() \
- *((volatile unsigned short *) (MCF_MBAR + MCFSIM_IMR))
-
-#define mcf_setimr(imr) \
- *((volatile unsigned short *) (MCF_MBAR + MCFSIM_IMR)) = (imr)
-
-#define mcf_getipr() \
- *((volatile unsigned short *) (MCF_MBAR + MCFSIM_IPR))
+#define MCFSIM_IMR_IS_16BITS
/****************************************************************************/
#endif /* m5206sim_h */
#define MCFGPIO_PIN_MAX 64
#define MCFGPIO_IRQ_MAX -1
#define MCFGPIO_IRQ_VECBASE -1
-/*
- * Macro to set IMR register. It is 32 bits on the 5249.
- */
-#define MCFSIM_IMR_MASKALL 0x7fffe /* All SIM intr sources */
-
-#define mcf_getimr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
-
-#define mcf_setimr(imr) \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
-
-#define mcf_getipr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
/****************************************************************************/
#define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
#define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
-#if defined(CONFIG_M5307)
-#define MCFSIM_IMR_MASKALL 0x3fffe /* All SIM intr sources */
-#endif
-
-/*
- * Macro to set IMR register. It is 32 bits on the 5307.
- */
-#define mcf_getimr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
-
-#define mcf_setimr(imr) \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
-
-#define mcf_getipr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
-
-
/*
* Some symbol defines for the Parallel Port Pin Assignment Register
*/
#define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
#define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
-/*
- * Macro to set IMR register. It is 32 bits on the 5407.
- */
-#define mcf_getimr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
-
-#define mcf_setimr(imr) \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
-
-#define mcf_getipr() \
- *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
-
-
/*
* Some symbol defines for the Parallel Port Pin Assignment Register
*/
#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
/*
- * Bit definitions for the ICR family of registers.
+ * IMR bit position definitions.
*/
-#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
-#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
-#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
-#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
-#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
-#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
-#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
-#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
-#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
+#define MCFINTC_EINT1 1 /* External int #1 */
+#define MCFINTC_EINT2 2 /* External int #2 */
+#define MCFINTC_EINT3 3 /* External int #3 */
+#define MCFINTC_EINT4 4 /* External int #4 */
+#define MCFINTC_EINT5 5 /* External int #5 */
+#define MCFINTC_EINT6 6 /* External int #6 */
+#define MCFINTC_EINT7 7 /* External int #7 */
+#define MCFINTC_SWT 8 /* Software Watchdog */
+#define MCFINTC_TIMER1 9
+#define MCFINTC_TIMER2 10
+#define MCFINTC_I2C 11 /* I2C / MBUS */
+#define MCFINTC_UART0 12
+#define MCFINTC_UART1 13
+#define MCFINTC_DMA0 14
+#define MCFINTC_DMA1 15
+#define MCFINTC_DMA2 16
+#define MCFINTC_DMA3 17
+#define MCFINTC_QSPI 18
-#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
-#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
-#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
-#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
-
-/*
- * Bit definitions for the Interrupt Mask register (IMR).
- */
-#define MCFSIM_IMR_EINT1 0x0002 /* External intr # 1 */
-#define MCFSIM_IMR_EINT2 0x0004 /* External intr # 2 */
-#define MCFSIM_IMR_EINT3 0x0008 /* External intr # 3 */
-#define MCFSIM_IMR_EINT4 0x0010 /* External intr # 4 */
-#define MCFSIM_IMR_EINT5 0x0020 /* External intr # 5 */
-#define MCFSIM_IMR_EINT6 0x0040 /* External intr # 6 */
-#define MCFSIM_IMR_EINT7 0x0080 /* External intr # 7 */
-
-#define MCFSIM_IMR_SWD 0x0100 /* Software Watchdog intr */
-#define MCFSIM_IMR_TIMER1 0x0200 /* TIMER 1 intr */
-#define MCFSIM_IMR_TIMER2 0x0400 /* TIMER 2 intr */
-#define MCFSIM_IMR_MBUS 0x0800 /* MBUS intr */
-#define MCFSIM_IMR_UART1 0x1000 /* UART 1 intr */
-#define MCFSIM_IMR_UART2 0x2000 /* UART 2 intr */
-
-#if defined(CONFIG_M5206e)
-#define MCFSIM_IMR_DMA1 0x4000 /* DMA 1 intr */
-#define MCFSIM_IMR_DMA2 0x8000 /* DMA 2 intr */
-#elif defined(CONFIG_M5249) || defined(CONFIG_M5307)
-#define MCFSIM_IMR_DMA0 0x4000 /* DMA 0 intr */
-#define MCFSIM_IMR_DMA1 0x8000 /* DMA 1 intr */
-#define MCFSIM_IMR_DMA2 0x10000 /* DMA 2 intr */
-#define MCFSIM_IMR_DMA3 0x20000 /* DMA 3 intr */
+#ifndef __ASSEMBLER__
+void mcf_autovector(int irq);
+void mcf_setimr(int index);
+void mcf_clrimr(int index);
#endif
-/*
- * Mask for all of the SIM devices. Some parts have more or less
- * SIM devices. This is a catchall for the sandard set.
- */
-#ifndef MCFSIM_IMR_MASKALL
-#define MCFSIM_IMR_MASKALL 0x3ffe /* All intr sources */
-#endif
-
-
/****************************************************************************/
#endif /* mcfintc_h */
if (line == 0) {
writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_clrimr(MCFINTC_UART0);
} else if (line == 1) {
writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_clrimr(MCFINTC_UART1);
}
}
if (timer <= 2) {
switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
}
icrp = (volatile unsigned char *) (MCF_MBAR + icr);
*icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
+ mcf_clrimr(imr);
}
}
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
mach_reset = m5206_cpu_reset;
}
if (line == 0) {
writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_clrimr(MCFINTC_UART0);
} else if (line == 1) {
writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_clrimr(MCFINTC_UART1);
}
}
if (timer <= 2) {
switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
}
icrp = (volatile unsigned char *) (MCF_MBAR + icr);
*icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
+ mcf_clrimr(imr);
}
}
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
-
#if defined(CONFIG_NETtel)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0004000, size);
if (line == 0) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_clrimr(MCFINTC_UART0);
} else if (line == 1) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_clrimr(MCFINTC_UART1);
}
}
if (timer <= 2) {
switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
}
icrp = (volatile unsigned char *) (MCF_MBAR + icr);
*icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
+ mcf_clrimr(imr);
}
}
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
mach_reset = m5249_cpu_reset;
}
if (line == 0) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_clrimr(MCFINTC_UART0);
} else if (line == 1) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_clrimr(MCFINTC_UART1);
}
}
if (timer <= 2) {
switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
}
icrp = (volatile unsigned char *) (MCF_MBAR + icr);
*icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
+ mcf_clrimr(imr);
}
}
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
-
#if defined(CONFIG_NETtel) || \
defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA)
/* Copy command line from FLASH to local buffer... */
if (line == 0) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE1 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+ mcf_clrimr(MCFINTC_UART0);
} else if (line == 1) {
writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR);
- mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+ mcf_clrimr(MCFINTC_UART1);
}
}
if (timer <= 2) {
switch (timer) {
- case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
- default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
+ case 2: icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
+ default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
}
icrp = (volatile unsigned char *) (MCF_MBAR + icr);
*icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
- mcf_setimr(mcf_getimr() & ~imr);
+ mcf_clrimr(imr);
}
}
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
-
#if defined(CONFIG_CLEOPATRA)
/* Different timer setup - to prevent device clash */
mcf_timervector = 30;
/*
- * intc.c
+ * intc.c -- support for the old ColdFire interrupt controller
*
* (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
*
#define EIRQ1 25
#define EIRQ7 31
+/*
+ * In the early version 2 core ColdFire parts the IMR register was 16 bits
+ * in size. Version 3 (and later version 2) core parts have a 32 bit
+ * sized IMR register. Provide some size independant methods to access the
+ * IMR register.
+ */
+#ifdef MCFSIM_IMR_IS_16BITS
+
+void mcf_setimr(int index)
+{
+ u16 imr;
+ imr = __raw_readw(MCF_MBAR + MCFSIM_IMR);
+ __raw_writew(imr | (0x1 << index), MCF_MBAR + MCFSIM_IMR);
+}
+
+void mcf_clrimr(int index)
+{
+ u16 imr;
+ imr = __raw_readw(MCF_MBAR + MCFSIM_IMR);
+ __raw_writew(imr & ~(0x1 << index), MCF_MBAR + MCFSIM_IMR);
+}
+
+void mcf_maskimr(unsigned int mask)
+{
+ u16 imr;
+ imr = __raw_readw(MCF_MBAR + MCFSIM_IMR);
+ imr |= mask;
+ __raw_writew(imr, MCF_MBAR + MCFSIM_IMR);
+}
+
+#else
+
+void mcf_setimr(int index)
+{
+ u32 imr;
+ imr = __raw_readl(MCF_MBAR + MCFSIM_IMR);
+ __raw_writel(imr | (0x1 << index), MCF_MBAR + MCFSIM_IMR);
+}
+
+void mcf_clrimr(int index)
+{
+ u32 imr;
+ imr = __raw_readl(MCF_MBAR + MCFSIM_IMR);
+ __raw_writel(imr & ~(0x1 << index), MCF_MBAR + MCFSIM_IMR);
+}
+
+void mcf_maskimr(unsigned int mask)
+{
+ u32 imr;
+ imr = __raw_readl(MCF_MBAR + MCFSIM_IMR);
+ imr |= mask;
+ __raw_writel(imr, MCF_MBAR + MCFSIM_IMR);
+}
+
+#endif
+
/*
* Interrupts can be "vectored" on the ColdFire cores that support this old
* interrupt controller. That is, the device raising the interrupt can also
int irq;
init_vectors();
+ mcf_maskimr(0xffffffff);
for (irq = 0; (irq < NR_IRQS); irq++) {
irq_desc[irq].status = IRQ_DISABLED;
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