[MIPS] tx4927: Cleanup unused macros and non-standard IO accessors.

This patch removes many unused constants, replaces non-standard IO
accessors with standard ones, and kills terrible tx4927_mips.h file.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 24 insertions, 29 deletions

diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
index 551235648811..305eb12f84cc 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
@@ -204,8 +204,8 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
         .mask_ack = toshiba_rbtx4927_irq_ioc_disable,
         .unmask = toshiba_rbtx4927_irq_ioc_enable,
 };
-#define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000
-#define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006
+#define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL
+#define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL
 
 
 u32 bit2num(u32 num)
@@ -224,7 +224,7 @@ int toshiba_rbtx4927_irq_nested(int sw_irq)
 {
         u32 level3;
 
-        level3 = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
+        level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
         if (level3) {
                 sw_irq = TOSHIBA_RBTX4927_IRQ_IOC_BEG + bit2num(level3);
                 if (sw_irq != TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC) {
@@ -288,9 +288,9 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
                 panic("\n");
         }
 
-        v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+        v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
         v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
-        TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
+        writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
 }
 
 
@@ -308,9 +308,10 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
                 panic("\n");
         }
 
-        v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+        v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
         v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
-        TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
+        writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+        mmiowb();
 }
 
 
@@ -387,12 +388,12 @@ void toshiba_rbtx4927_irq_dump_pics(char *s)
         level1_m = level0_m;
         level1_s = level0_s & 0x87;
 
-        level2 = TX4927_RD(0xff1ff6a0);
+        level2 = __raw_readl((void __iomem *)0xff1ff6a0UL);
         level2_p = (((level2 & 0x10000)) ? 0 : 1);
         level2_s = (((level2 & 0x1f) == 0x1f) ? 0 : (level2 & 0x1f));
 
-        level3_m = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_ENAB) & 0x1f;
-        level3_s = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
+        level3_m = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB) & 0x1f;
+        level3_s = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
 
         level4_m = inb(0x21);
         outb(0x0A, 0x20);
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
index 3e84237abe63..4f302062b2d6 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
@@ -679,25 +679,30 @@ void __init tx4927_pci_setup(void)
 
 #endif /* CONFIG_PCI */
 
+static void __noreturn wait_forever(void)
+{
+        while (1)
+                if (cpu_wait)
+                        (*cpu_wait)();
+}
+
 void toshiba_rbtx4927_restart(char *command)
 {
         printk(KERN_NOTICE "System Rebooting...\n");
 
         /* enable the s/w reset register */
-        reg_wr08(RBTX4927_SW_RESET_ENABLE, RBTX4927_SW_RESET_ENABLE_SET);
+        writeb(RBTX4927_SW_RESET_ENABLE_SET, RBTX4927_SW_RESET_ENABLE);
 
         /* wait for enable to be seen */
-        while ((reg_rd08(RBTX4927_SW_RESET_ENABLE) &
+        while ((readb(RBTX4927_SW_RESET_ENABLE) &
                 RBTX4927_SW_RESET_ENABLE_SET) == 0x00);
 
         /* do a s/w reset */
-        reg_wr08(RBTX4927_SW_RESET_DO, RBTX4927_SW_RESET_DO_SET);
+        writeb(RBTX4927_SW_RESET_DO_SET, RBTX4927_SW_RESET_DO);
 
         /* do something passive while waiting for reset */
         local_irq_disable();
-        while (1)
-                asm_wait();
-
+        wait_forever();
         /* no return */
 }
 
@@ -706,9 +711,7 @@ void toshiba_rbtx4927_halt(void)
 {
         printk(KERN_NOTICE "System Halted\n");
         local_irq_disable();
-        while (1) {
-                asm_wait();
-        }
+        wait_forever();
         /* no return */
 }
 
@@ -720,7 +723,7 @@ void toshiba_rbtx4927_power_off(void)
 
 void __init toshiba_rbtx4927_setup(void)
 {
-        vu32 cp0_config;
+        u32 cp0_config;
         char *argptr;
 
         printk("CPU is %s\n", toshiba_name);
@@ -747,15 +750,6 @@ void __init toshiba_rbtx4927_setup(void)
         }
 #endif
 
-        /* setup serial stuff */
-        TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
-                                       ":Setting up tx4927 sio.\n");
-        TX4927_WR(0xff1ff314, 0x00000000);      /* h/w flow control off */
-        TX4927_WR(0xff1ff414, 0x00000000);      /* h/w flow control off */
-
-        TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
-                                       "+\n");
-
         set_io_port_base(KSEG1 + TBTX4927_ISA_IO_OFFSET);
         TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
                                        ":mips_io_port_base=0x%08lx\n",