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-rw-r--r--arch/m68knommu/platform/5307/timers.c16
-rw-r--r--arch/m68knommu/platform/68360/config.c2
-rw-r--r--drivers/serial/mcfserial.c54
-rw-r--r--include/asm-m68knommu/irq.h1
-rw-r--r--include/asm-m68knommu/rtc.h1
-rw-r--r--include/asm-m68knommu/ucontext.h6
-rw-r--r--mm/nommu.c12
7 files changed, 73 insertions, 19 deletions
diff --git a/arch/m68knommu/platform/5307/timers.c b/arch/m68knommu/platform/5307/timers.c
index 24781f00933..e5668af1978 100644
--- a/arch/m68knommu/platform/5307/timers.c
+++ b/arch/m68knommu/platform/5307/timers.c
@@ -3,7 +3,7 @@
/*
* timers.c -- generic ColdFire hardware timer support.
*
- * Copyright (C) 1999-2003, Greg Ungerer (gerg@snapgear.com)
+ * Copyright (C) 1999-2006, Greg Ungerer (gerg@snapgear.com)
*/
/***************************************************************************/
@@ -44,6 +44,14 @@ unsigned int mcf_timerlevel = 5;
extern void mcf_settimericr(int timer, int level);
extern int mcf_timerirqpending(int timer);
+#if defined(CONFIG_M532x)
+#define __raw_readtrr __raw_readl
+#define __raw_writetrr __raw_writel
+#else
+#define __raw_readtrr __raw_readw
+#define __raw_writetrr __raw_writew
+#endif
+
/***************************************************************************/
void coldfire_tick(void)
@@ -57,7 +65,7 @@ void coldfire_tick(void)
void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *))
{
__raw_writew(MCFTIMER_TMR_DISABLE, TA(MCFTIMER_TMR));
- __raw_writew(((MCF_BUSCLK / 16) / HZ), TA(MCFTIMER_TRR));
+ __raw_writetrr(((MCF_BUSCLK / 16) / HZ), TA(MCFTIMER_TRR));
__raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, TA(MCFTIMER_TMR));
@@ -76,7 +84,7 @@ unsigned long coldfire_timer_offset(void)
unsigned long trr, tcn, offset;
tcn = __raw_readw(TA(MCFTIMER_TCN));
- trr = __raw_readw(TA(MCFTIMER_TRR));
+ trr = __raw_readtrr(TA(MCFTIMER_TRR));
offset = (tcn * (1000000 / HZ)) / trr;
/* Check if we just wrapped the counters and maybe missed a tick */
@@ -120,7 +128,7 @@ void coldfire_profile_init(void)
/* Set up TIMER 2 as high speed profile clock */
__raw_writew(MCFTIMER_TMR_DISABLE, PA(MCFTIMER_TMR));
- __raw_writew(((MCF_CLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
+ __raw_writetrr(((MCF_CLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
__raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, PA(MCFTIMER_TMR));
diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c
index c5482e3622e..1b36f626176 100644
--- a/arch/m68knommu/platform/68360/config.c
+++ b/arch/m68knommu/platform/68360/config.c
@@ -114,7 +114,7 @@ void BSP_gettod (int *yearp, int *monp, int *dayp,
{
}
-int BSP_hwclk(int op, struct hwclk_time *t)
+int BSP_hwclk(int op, struct rtc_time *t)
{
if (!op) {
/* read */
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index aee1b31f1a1..3db206d29b3 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -60,7 +60,8 @@ struct timer_list mcfrs_timer_struct;
#if defined(CONFIG_HW_FEITH)
#define CONSOLE_BAUD_RATE 38400
#define DEFAULT_CBAUD B38400
-#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || defined(CONFIG_M5329EVB)
+#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || \
+ defined(CONFIG_M5329EVB) || defined(CONFIG_GILBARCO)
#define CONSOLE_BAUD_RATE 115200
#define DEFAULT_CBAUD B115200
#elif defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \
@@ -109,12 +110,30 @@ static struct mcf_serial mcfrs_table[] = {
.irq = IRQBASE,
.flags = ASYNC_BOOT_AUTOCONF,
},
+#ifdef MCFUART_BASE2
{ /* ttyS1 */
.magic = 0,
.addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE2),
.irq = IRQBASE+1,
.flags = ASYNC_BOOT_AUTOCONF,
},
+#endif
+#ifdef MCFUART_BASE3
+ { /* ttyS2 */
+ .magic = 0,
+ .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE3),
+ .irq = IRQBASE+2,
+ .flags = ASYNC_BOOT_AUTOCONF,
+ },
+#endif
+#ifdef MCFUART_BASE4
+ { /* ttyS3 */
+ .magic = 0,
+ .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE4),
+ .irq = IRQBASE+3,
+ .flags = ASYNC_BOOT_AUTOCONF,
+ },
+#endif
};
@@ -1516,6 +1535,22 @@ static void mcfrs_irqinit(struct mcf_serial *info)
imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
MCFINTC_IMRL);
*imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1);
+#if defined(CONFIG_M527x)
+ {
+ /*
+ * External Pin Mask Setting & Enable External Pin for Interface
+ * mrcbis@aliceposta.it
+ */
+ unsigned short *serpin_enable_mask;
+ serpin_enable_mask = (MCF_IPSBAR + MCF_GPIO_PAR_UART);
+ if (info->line == 0)
+ *serpin_enable_mask |= UART0_ENABLE_MASK;
+ else if (info->line == 1)
+ *serpin_enable_mask |= UART1_ENABLE_MASK;
+ else if (info->line == 2)
+ *serpin_enable_mask |= UART2_ENABLE_MASK;
+ }
+#endif
#elif defined(CONFIG_M520x)
volatile unsigned char *icrp, *uartp;
volatile unsigned long *imrp;
@@ -1713,7 +1748,7 @@ mcfrs_init(void)
/* Initialize the tty_driver structure */
mcfrs_serial_driver->owner = THIS_MODULE;
mcfrs_serial_driver->name = "ttyS";
- mcfrs_serial_driver->driver_name = "serial";
+ mcfrs_serial_driver->driver_name = "mcfserial";
mcfrs_serial_driver->major = TTY_MAJOR;
mcfrs_serial_driver->minor_start = 64;
mcfrs_serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
@@ -1797,10 +1832,23 @@ void mcfrs_init_console(void)
uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
+#ifdef CONFIG_M5272
+{
+ /*
+ * For the MCF5272, also compute the baudrate fraction.
+ */
+ int fraction = MCF_BUSCLK - (clk * 32 * mcfrs_console_baud);
+ fraction *= 16;
+ fraction /= (32 * mcfrs_console_baud);
+ uartp[MCFUART_UFPD] = (fraction & 0xf); /* set fraction */
+ clk = (MCF_BUSCLK / mcfrs_console_baud) / 32;
+}
+#else
clk = ((MCF_BUSCLK / mcfrs_console_baud) + 16) / 32; /* set baud */
+#endif
+
uartp[MCFUART_UBG1] = (clk & 0xff00) >> 8; /* set msb baud */
uartp[MCFUART_UBG2] = (clk & 0xff); /* set lsb baud */
-
uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
diff --git a/include/asm-m68knommu/irq.h b/include/asm-m68knommu/irq.h
index 45e7a2fd168..7b8f874f842 100644
--- a/include/asm-m68knommu/irq.h
+++ b/include/asm-m68knommu/irq.h
@@ -86,5 +86,6 @@ extern void (*mach_disable_irq)(unsigned int);
#define enable_irq(x) do { } while (0)
#define disable_irq(x) do { } while (0)
#define disable_irq_nosync(x) disable_irq(x)
+#define irq_canonicalize(irq) (irq)
#endif /* _M68K_IRQ_H_ */
diff --git a/include/asm-m68knommu/rtc.h b/include/asm-m68knommu/rtc.h
new file mode 100644
index 00000000000..eaf18ec83c8
--- /dev/null
+++ b/include/asm-m68knommu/rtc.h
@@ -0,0 +1 @@
+#include <asm-m68k/rtc.h>
diff --git a/include/asm-m68knommu/ucontext.h b/include/asm-m68knommu/ucontext.h
index 5d570cedbb0..713a27f901c 100644
--- a/include/asm-m68knommu/ucontext.h
+++ b/include/asm-m68knommu/ucontext.h
@@ -5,21 +5,17 @@ typedef int greg_t;
#define NGREG 18
typedef greg_t gregset_t[NGREG];
-#ifdef CONFIG_FPU
typedef struct fpregset {
int f_pcr;
int f_psr;
int f_fpiaddr;
int f_fpregs[8][3];
} fpregset_t;
-#endif
struct mcontext {
int version;
gregset_t gregs;
-#ifdef CONFIG_FPU
fpregset_t fpregs;
-#endif
};
#define MCONTEXT_VERSION 2
@@ -29,9 +25,7 @@ struct ucontext {
struct ucontext *uc_link;
stack_t uc_stack;
struct mcontext uc_mcontext;
-#ifdef CONFIG_FPU
unsigned long uc_filler[80];
-#endif
sigset_t uc_sigmask; /* mask last for extensibility */
};
diff --git a/mm/nommu.c b/mm/nommu.c
index 8bdde9508f3..6a2a8aada40 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -497,15 +497,17 @@ static int validate_mmap_request(struct file *file,
(flags & MAP_TYPE) != MAP_SHARED)
return -EINVAL;
- if (PAGE_ALIGN(len) == 0)
- return addr;
-
- if (len > TASK_SIZE)
+ if (!len)
return -EINVAL;
+ /* Careful about overflows.. */
+ len = PAGE_ALIGN(len);
+ if (!len || len > TASK_SIZE)
+ return -ENOMEM;
+
/* offset overflow? */
if ((pgoff + (len >> PAGE_SHIFT)) < pgoff)
- return -EINVAL;
+ return -EOVERFLOW;
if (file) {
/* validate file mapping requests */