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-rw-r--r--arch/mips/tx4927/common/Makefile2
-rw-r--r--arch/mips/tx4927/common/tx4927_dbgio.c1
-rw-r--r--arch/mips/tx4927/common/tx4927_irq.c396
-rw-r--r--arch/mips/tx4927/common/tx4927_prom.c12
-rw-r--r--arch/mips/tx4927/common/tx4927_setup.c20
5 files changed, 27 insertions, 404 deletions
diff --git a/arch/mips/tx4927/common/Makefile b/arch/mips/tx4927/common/Makefile
index 9cb9535ebac..18375787e09 100644
--- a/arch/mips/tx4927/common/Makefile
+++ b/arch/mips/tx4927/common/Makefile
@@ -10,3 +10,5 @@ obj-y += tx4927_prom.o tx4927_setup.o tx4927_irq.o
obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o
obj-$(CONFIG_KGDB) += tx4927_dbgio.o
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/tx4927/common/tx4927_dbgio.c b/arch/mips/tx4927/common/tx4927_dbgio.c
index 09bdf2baa83..d8423e001b2 100644
--- a/arch/mips/tx4927/common/tx4927_dbgio.c
+++ b/arch/mips/tx4927/common/tx4927_dbgio.c
@@ -31,7 +31,6 @@
#include <asm/mipsregs.h>
#include <asm/system.h>
-#include <asm/tx4927/tx4927_mips.h>
u8 getDebugChar(void)
{
diff --git a/arch/mips/tx4927/common/tx4927_irq.c b/arch/mips/tx4927/common/tx4927_irq.c
index 3d25d010f3d..0aabd57fdad 100644
--- a/arch/mips/tx4927/common/tx4927_irq.c
+++ b/arch/mips/tx4927/common/tx4927_irq.c
@@ -23,395 +23,20 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/irq.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/irq.h>
+#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
-#include <asm/system.h>
#include <asm/tx4927/tx4927.h>
-
-/*
- * DEBUG
- */
-
-#undef TX4927_IRQ_DEBUG
-
-#ifdef TX4927_IRQ_DEBUG
-#define TX4927_IRQ_NONE 0x00000000
-
-#define TX4927_IRQ_INFO ( 1 << 0 )
-#define TX4927_IRQ_WARN ( 1 << 1 )
-#define TX4927_IRQ_EROR ( 1 << 2 )
-
-#define TX4927_IRQ_INIT ( 1 << 5 )
-#define TX4927_IRQ_NEST1 ( 1 << 6 )
-#define TX4927_IRQ_NEST2 ( 1 << 7 )
-#define TX4927_IRQ_NEST3 ( 1 << 8 )
-#define TX4927_IRQ_NEST4 ( 1 << 9 )
-
-#define TX4927_IRQ_CP0_INIT ( 1 << 10 )
-#define TX4927_IRQ_CP0_ENABLE ( 1 << 13 )
-#define TX4927_IRQ_CP0_DISABLE ( 1 << 14 )
-
-#define TX4927_IRQ_PIC_INIT ( 1 << 20 )
-#define TX4927_IRQ_PIC_ENABLE ( 1 << 23 )
-#define TX4927_IRQ_PIC_DISABLE ( 1 << 24 )
-
-#define TX4927_IRQ_ALL 0xffffffff
-#endif
-
-#ifdef TX4927_IRQ_DEBUG
-static const u32 tx4927_irq_debug_flag = (TX4927_IRQ_NONE
- | TX4927_IRQ_INFO
- | TX4927_IRQ_WARN | TX4927_IRQ_EROR
-// | TX4927_IRQ_CP0_INIT
-// | TX4927_IRQ_CP0_ENABLE
-// | TX4927_IRQ_CP0_ENDIRQ
-// | TX4927_IRQ_PIC_INIT
-// | TX4927_IRQ_PIC_ENABLE
-// | TX4927_IRQ_PIC_DISABLE
-// | TX4927_IRQ_INIT
-// | TX4927_IRQ_NEST1
-// | TX4927_IRQ_NEST2
-// | TX4927_IRQ_NEST3
-// | TX4927_IRQ_NEST4
- );
-#endif
-
-#ifdef TX4927_IRQ_DEBUG
-#define TX4927_IRQ_DPRINTK(flag,str...) \
- if ( (tx4927_irq_debug_flag) & (flag) ) \
- { \
- char tmp[100]; \
- sprintf( tmp, str ); \
- printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
- }
-#else
-#define TX4927_IRQ_DPRINTK(flag,str...)
+#ifdef CONFIG_TOSHIBA_RBTX4927
+#include <asm/tx4927/toshiba_rbtx4927.h>
#endif
-/*
- * Forwad definitions for all pic's
- */
-
-static void tx4927_irq_cp0_enable(unsigned int irq);
-static void tx4927_irq_cp0_disable(unsigned int irq);
-
-static void tx4927_irq_pic_enable(unsigned int irq);
-static void tx4927_irq_pic_disable(unsigned int irq);
-
-/*
- * Kernel structs for all pic's
- */
-
-#define TX4927_CP0_NAME "TX4927-CP0"
-static struct irq_chip tx4927_irq_cp0_type = {
- .name = TX4927_CP0_NAME,
- .ack = tx4927_irq_cp0_disable,
- .mask = tx4927_irq_cp0_disable,
- .mask_ack = tx4927_irq_cp0_disable,
- .unmask = tx4927_irq_cp0_enable,
-};
-
-#define TX4927_PIC_NAME "TX4927-PIC"
-static struct irq_chip tx4927_irq_pic_type = {
- .name = TX4927_PIC_NAME,
- .ack = tx4927_irq_pic_disable,
- .mask = tx4927_irq_pic_disable,
- .mask_ack = tx4927_irq_pic_disable,
- .unmask = tx4927_irq_pic_enable,
-};
-
-#define TX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL }
-static struct irqaction tx4927_irq_pic_action =
-TX4927_PIC_ACTION(TX4927_PIC_NAME);
-
-#define CCP0_STATUS 12
-#define CCP0_CAUSE 13
-
-/*
- * Functions for cp0
- */
-
-#define tx4927_irq_cp0_mask(irq) ( 1 << ( irq-TX4927_IRQ_CP0_BEG+8 ) )
-
-static void
-tx4927_irq_cp0_modify(unsigned cp0_reg, unsigned clr_bits, unsigned set_bits)
-{
- unsigned long val = 0;
-
- switch (cp0_reg) {
- case CCP0_STATUS:
- val = read_c0_status();
- break;
-
- case CCP0_CAUSE:
- val = read_c0_cause();
- break;
-
- }
-
- val &= (~clr_bits);
- val |= (set_bits);
-
- switch (cp0_reg) {
- case CCP0_STATUS:{
- write_c0_status(val);
- break;
- }
- case CCP0_CAUSE:{
- write_c0_cause(val);
- break;
- }
- }
-}
-
-static void __init tx4927_irq_cp0_init(void)
-{
- int i;
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_INIT, "beg=%d end=%d\n",
- TX4927_IRQ_CP0_BEG, TX4927_IRQ_CP0_END);
-
- for (i = TX4927_IRQ_CP0_BEG; i <= TX4927_IRQ_CP0_END; i++)
- set_irq_chip_and_handler(i, &tx4927_irq_cp0_type,
- handle_level_irq);
-}
-
-static void tx4927_irq_cp0_enable(unsigned int irq)
-{
- TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_ENABLE, "irq=%d \n", irq);
-
- tx4927_irq_cp0_modify(CCP0_STATUS, 0, tx4927_irq_cp0_mask(irq));
-}
-
-static void tx4927_irq_cp0_disable(unsigned int irq)
-{
- TX4927_IRQ_DPRINTK(TX4927_IRQ_CP0_DISABLE, "irq=%d \n", irq);
-
- tx4927_irq_cp0_modify(CCP0_STATUS, tx4927_irq_cp0_mask(irq), 0);
-}
-
-/*
- * Functions for pic
- */
-u32 tx4927_irq_pic_addr(int irq)
-{
- /* MVMCP -- need to formulize this */
- irq -= TX4927_IRQ_PIC_BEG;
- switch (irq) {
- case 17:
- case 16:
- case 1:
- case 0:
- return (0xff1ff610);
-
- case 19:
- case 18:
- case 3:
- case 2:
- return (0xff1ff614);
-
- case 21:
- case 20:
- case 5:
- case 4:
- return (0xff1ff618);
-
- case 23:
- case 22:
- case 7:
- case 6:
- return (0xff1ff61c);
-
- case 25:
- case 24:
- case 9:
- case 8:
- return (0xff1ff620);
-
- case 27:
- case 26:
- case 11:
- case 10:
- return (0xff1ff624);
-
- case 29:
- case 28:
- case 13:
- case 12:
- return (0xff1ff628);
-
- case 31:
- case 30:
- case 15:
- case 14:
- return (0xff1ff62c);
-
- }
- return (0);
-}
-
-u32 tx4927_irq_pic_mask(int irq)
-{
- /* MVMCP -- need to formulize this */
- irq -= TX4927_IRQ_PIC_BEG;
- switch (irq) {
- case 31:
- case 29:
- case 27:
- case 25:
- case 23:
- case 21:
- case 19:
- case 17:{
- return (0x07000000);
- }
- case 30:
- case 28:
- case 26:
- case 24:
- case 22:
- case 20:
- case 18:
- case 16:{
- return (0x00070000);
- }
- case 15:
- case 13:
- case 11:
- case 9:
- case 7:
- case 5:
- case 3:
- case 1:{
- return (0x00000700);
- }
- case 14:
- case 12:
- case 10:
- case 8:
- case 6:
- case 4:
- case 2:
- case 0:{
- return (0x00000007);
- }
- }
- return (0x00000000);
-}
-
-static void tx4927_irq_pic_modify(unsigned pic_reg, unsigned clr_bits,
- unsigned set_bits)
-{
- unsigned long val = 0;
-
- val = TX4927_RD(pic_reg);
- val &= (~clr_bits);
- val |= (set_bits);
- TX4927_WR(pic_reg, val);
-}
-
-static void __init tx4927_irq_pic_init(void)
-{
- int i;
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_INIT, "beg=%d end=%d\n",
- TX4927_IRQ_PIC_BEG, TX4927_IRQ_PIC_END);
-
- for (i = TX4927_IRQ_PIC_BEG; i <= TX4927_IRQ_PIC_END; i++)
- set_irq_chip_and_handler(i, &tx4927_irq_pic_type,
- handle_level_irq);
-
- setup_irq(TX4927_IRQ_NEST_PIC_ON_CP0, &tx4927_irq_pic_action);
-
- TX4927_WR(0xff1ff640, 0x6); /* irq level mask -- only accept hightest */
- TX4927_WR(0xff1ff600, TX4927_RD(0xff1ff600) | 0x1); /* irq enable */
-}
-
-static void tx4927_irq_pic_enable(unsigned int irq)
-{
- TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_ENABLE, "irq=%d\n", irq);
-
- tx4927_irq_pic_modify(tx4927_irq_pic_addr(irq), 0,
- tx4927_irq_pic_mask(irq));
-}
-
-static void tx4927_irq_pic_disable(unsigned int irq)
-{
- TX4927_IRQ_DPRINTK(TX4927_IRQ_PIC_DISABLE, "irq=%d\n", irq);
-
- tx4927_irq_pic_modify(tx4927_irq_pic_addr(irq),
- tx4927_irq_pic_mask(irq), 0);
-}
-
-/*
- * Main init functions
- */
void __init tx4927_irq_init(void)
{
- TX4927_IRQ_DPRINTK(TX4927_IRQ_INIT, "-\n");
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_INIT, "=Calling tx4927_irq_cp0_init()\n");
- tx4927_irq_cp0_init();
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_INIT, "=Calling tx4927_irq_pic_init()\n");
- tx4927_irq_pic_init();
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_INIT, "+\n");
-}
-
-static int tx4927_irq_nested(void)
-{
- int sw_irq = 0;
- u32 level2;
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST1, "-\n");
-
- level2 = TX4927_RD(0xff1ff6a0);
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST2, "=level2a=0x%x\n", level2);
-
- if ((level2 & 0x10000) == 0) {
- level2 &= 0x1f;
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST3, "=level2b=0x%x\n", level2);
-
- sw_irq = TX4927_IRQ_PIC_BEG + level2;
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST3, "=sw_irq=%d\n", sw_irq);
-
- if (sw_irq == 27) {
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST4, "=irq-%d\n",
- sw_irq);
-
-#ifdef CONFIG_TOSHIBA_RBTX4927
- {
- sw_irq = toshiba_rbtx4927_irq_nested(sw_irq);
- }
-#endif
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST4, "=irq+%d\n",
- sw_irq);
- }
- }
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST2, "=sw_irq=%d\n", sw_irq);
-
- TX4927_IRQ_DPRINTK(TX4927_IRQ_NEST1, "+\n");
-
- return (sw_irq);
+ mips_cpu_irq_init();
+ txx9_irq_init(TX4927_IRC_REG);
+ set_irq_chained_handler(TX4927_IRQ_NEST_PIC_ON_CP0, handle_simple_irq);
}
asmlinkage void plat_irq_dispatch(void)
@@ -421,9 +46,12 @@ asmlinkage void plat_irq_dispatch(void)
if (pending & STATUSF_IP7) /* cpu timer */
do_IRQ(TX4927_IRQ_CPU_TIMER);
else if (pending & STATUSF_IP2) { /* tx4927 pic */
- unsigned int irq = tx4927_irq_nested();
-
- if (unlikely(irq == 0)) {
+ int irq = txx9_irq();
+#ifdef CONFIG_TOSHIBA_RBTX4927
+ if (irq == TX4927_IRQ_NEST_EXT_ON_PIC)
+ irq = toshiba_rbtx4927_irq_nested(irq);
+#endif
+ if (unlikely(irq < 0)) {
spurious_interrupt();
return;
}
diff --git a/arch/mips/tx4927/common/tx4927_prom.c b/arch/mips/tx4927/common/tx4927_prom.c
index 7d4cbf512d8..6eed53d8f38 100644
--- a/arch/mips/tx4927/common/tx4927_prom.c
+++ b/arch/mips/tx4927/common/tx4927_prom.c
@@ -38,7 +38,7 @@
#include <asm/bootinfo.h>
#include <asm/tx4927/tx4927.h>
-static unsigned int __init tx4927_process_sdccr(u64 * addr)
+static unsigned int __init tx4927_process_sdccr(unsigned long addr)
{
u64 val;
unsigned int sdccr_ce;
@@ -52,7 +52,7 @@ static unsigned int __init tx4927_process_sdccr(u64 * addr)
unsigned int mw = 0;
unsigned int msize = 0;
- val = (*((vu64 *) (addr)));
+ val = __raw_readq((void __iomem *)addr);
/* MVMCP -- need #defs for these bits masks */
sdccr_ce = ((val & (1 << 10)) >> 10);
@@ -136,10 +136,10 @@ unsigned int __init tx4927_get_mem_size(void)
unsigned int total;
/* MVMCP -- need #defs for these registers */
- c0 = tx4927_process_sdccr((u64 *) 0xff1f8000);
- c1 = tx4927_process_sdccr((u64 *) 0xff1f8008);
- c2 = tx4927_process_sdccr((u64 *) 0xff1f8010);
- c3 = tx4927_process_sdccr((u64 *) 0xff1f8018);
+ c0 = tx4927_process_sdccr(0xff1f8000);
+ c1 = tx4927_process_sdccr(0xff1f8008);
+ c2 = tx4927_process_sdccr(0xff1f8010);
+ c3 = tx4927_process_sdccr(0xff1f8018);
total = c0 + c1 + c2 + c3;
return (total);
diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c
index c8e49feb345..8ce0989671d 100644
--- a/arch/mips/tx4927/common/tx4927_setup.c
+++ b/arch/mips/tx4927/common/tx4927_setup.c
@@ -49,14 +49,11 @@
#undef DEBUG
-void __init tx4927_time_init(void);
void dump_cp0(char *key);
void __init plat_mem_setup(void)
{
- board_time_init = tx4927_time_init;
-
#ifdef CONFIG_TOSHIBA_RBTX4927
{
extern void toshiba_rbtx4927_setup(void);
@@ -65,20 +62,16 @@ void __init plat_mem_setup(void)
#endif
}
-void __init tx4927_time_init(void)
+void __init plat_time_init(void)
{
-
#ifdef CONFIG_TOSHIBA_RBTX4927
{
extern void toshiba_rbtx4927_time_init(void);
toshiba_rbtx4927_time_init();
}
#endif
-
- return;
}
-
void __init plat_timer_setup(struct irqaction *irq)
{
setup_irq(TX4927_IRQ_CPU_TIMER, irq);
@@ -124,10 +117,10 @@ dump_cp0(char *key)
return;
}
-void print_pic(char *key, u32 reg, char *name)
+void print_pic(char *key, unsigned long reg, char *name)
{
- printk("%s pic:0x%08x:%s=0x%08x\n", key, reg, name,
- TX4927_RD(reg));
+ printk(KERN_INFO "%s pic:0x%08lx:%s=0x%08x\n", key, reg, name,
+ __raw_readl((void __iomem *)reg));
return;
}
@@ -166,9 +159,10 @@ void dump_pic(char *key)
}
-void print_addr(char *hdr, char *key, u32 addr)
+void print_addr(char *hdr, char *key, unsigned long addr)
{
- printk("%s %s:0x%08x=0x%08x\n", hdr, key, addr, TX4927_RD(addr));
+ printk(KERN_INFO "%s %s:0x%08lx=0x%08x\n", hdr, key, addr,
+ __raw_readl((void __iomem *)addr));
return;
}