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-rw-r--r--arch/m68knommu/platform/5206/config.c11
-rw-r--r--arch/m68knommu/platform/5206e/config.c12
-rw-r--r--arch/m68knommu/platform/5249/config.c11
-rw-r--r--arch/m68knommu/platform/5307/config.c12
-rw-r--r--arch/m68knommu/platform/5407/config.c12
-rw-r--r--arch/m68knommu/platform/coldfire/intc.c59
6 files changed, 83 insertions, 34 deletions
diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c
index 481617a23d09..0dce2383320d 100644
--- a/arch/m68knommu/platform/5206/config.c
+++ b/arch/m68knommu/platform/5206/config.c
@@ -49,11 +49,11 @@ static void __init m5206_uart_init_line(int line, int irq)
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);
}
}
@@ -75,13 +75,13 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
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);
}
}
@@ -100,7 +100,6 @@ void m5206_cpu_reset(void)
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
mach_reset = m5206_cpu_reset;
}
diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c
index 29e565a44431..08ef7e268989 100644
--- a/arch/m68knommu/platform/5206e/config.c
+++ b/arch/m68knommu/platform/5206e/config.c
@@ -50,11 +50,11 @@ static void __init m5206e_uart_init_line(int line, int irq)
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);
}
}
@@ -76,13 +76,13 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
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);
}
}
@@ -101,8 +101,6 @@ void m5206e_cpu_reset(void)
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);
diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c
index 365fb6c52700..7261a3d28adc 100644
--- a/arch/m68knommu/platform/5249/config.c
+++ b/arch/m68knommu/platform/5249/config.c
@@ -48,11 +48,11 @@ static void __init m5249_uart_init_line(int line, int irq)
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);
}
}
@@ -75,13 +75,13 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
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);
}
}
@@ -100,7 +100,6 @@ void m5249_cpu_reset(void)
void __init config_BSP(char *commandp, int size)
{
- mcf_setimr(MCFSIM_IMR_MASKALL);
mach_reset = m5249_cpu_reset;
}
diff --git a/arch/m68knommu/platform/5307/config.c b/arch/m68knommu/platform/5307/config.c
index 60fe45d51391..3e27d2ec03f0 100644
--- a/arch/m68knommu/platform/5307/config.c
+++ b/arch/m68knommu/platform/5307/config.c
@@ -64,11 +64,11 @@ static void __init m5307_uart_init_line(int line, int irq)
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);
}
}
@@ -90,13 +90,13 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
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);
}
}
@@ -115,8 +115,6 @@ void m5307_cpu_reset(void)
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... */
diff --git a/arch/m68knommu/platform/5407/config.c b/arch/m68knommu/platform/5407/config.c
index 1e8ef74ea156..8aa94837bbc3 100644
--- a/arch/m68knommu/platform/5407/config.c
+++ b/arch/m68knommu/platform/5407/config.c
@@ -55,11 +55,11 @@ static void __init m5407_uart_init_line(int line, int irq)
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);
}
}
@@ -81,13 +81,13 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
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);
}
}
@@ -106,8 +106,6 @@ void m5407_cpu_reset(void)
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;
diff --git a/arch/m68knommu/platform/coldfire/intc.c b/arch/m68knommu/platform/coldfire/intc.c
index f7a61346ee25..88bffac50c67 100644
--- a/arch/m68knommu/platform/coldfire/intc.c
+++ b/arch/m68knommu/platform/coldfire/intc.c
@@ -1,5 +1,5 @@
/*
- * intc.c
+ * intc.c -- support for the old ColdFire interrupt controller
*
* (C) Copyright 2009, Greg Ungerer <gerg@snapgear.com>
*
@@ -27,6 +27,62 @@
#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
* supply the vector number to interrupt through. The AVR register of the
@@ -70,6 +126,7 @@ void __init init_IRQ(void)
int irq;
init_vectors();
+ mcf_maskimr(0xffffffff);
for (irq = 0; (irq < NR_IRQS); irq++) {
irq_desc[irq].status = IRQ_DISABLED;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.