[MIPS] rbtx4938: misc cleanups

* Do not use non-standard I/O accessors, such as reg_rd08, etc.
* Kill unnecessary wbflush()
* Kill tx4938_mips.h
* Kill unnecessary includes

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

4 files changed, 43 insertions, 84 deletions

diff --git a/arch/mips/tx4938/common/dbgio.c b/arch/mips/tx4938/common/dbgio.c
index bea59ff1842a..33b9c672a322 100644
--- a/arch/mips/tx4938/common/dbgio.c
+++ b/arch/mips/tx4938/common/dbgio.c
@@ -31,9 +31,7 @@
  * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp>
  */
 
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-#include <asm/tx4938/tx4938_mips.h>
+#include <linux/types>
 
 extern u8 txx9_sio_kdbg_rd(void);
 extern int txx9_sio_kdbg_wr( u8 ch );
diff --git a/arch/mips/tx4938/common/prom.c b/arch/mips/tx4938/common/prom.c
index 3189a65f7d7e..20baeaeba4cd 100644
--- a/arch/mips/tx4938/common/prom.c
+++ b/arch/mips/tx4938/common/prom.c
@@ -13,13 +13,8 @@
  */
 
 #include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/tx4938/tx4938.h>
+#include <linux/types.h>
+#include <linux/io.h>
 
 static unsigned int __init
 tx4938_process_sdccr(u64 * addr)
@@ -35,7 +30,7 @@ tx4938_process_sdccr(u64 * addr)
         unsigned int bc = 4;
         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);
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index f00185017e80..4d6a8dc46c76 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -67,24 +67,7 @@ IRQ  Device
 63 RBTX4938-IOC/07 SWINT
 */
 #include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
 #include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/timex.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/wbflush.h>
-#include <linux/bootmem.h>
 #include <asm/tx4938/rbtx4938.h>
 
 static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
@@ -99,21 +82,16 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
         .unmask = toshiba_rbtx4938_irq_ioc_enable,
 };
 
-#define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
-#define TOSHIBA_RBTX4938_IOC_INTR_STAT 0xb7f0200a
-
 int
 toshiba_rbtx4938_irq_nested(int sw_irq)
 {
         u8 level3;
 
-        level3 = reg_rd08(TOSHIBA_RBTX4938_IOC_INTR_STAT) & 0xff;
-        if (level3) {
+        level3 = readb(rbtx4938_imstat_addr);
+        if (level3)
                 /* must use fls so onboard ATA has priority */
                 sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1;
-        }
 
-        wbflush();
         return sw_irq;
 }
 
@@ -144,25 +122,23 @@ toshiba_rbtx4938_irq_ioc_init(void)
 static void
 toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
 {
-        volatile unsigned char v;
+        unsigned char v;
 
-        v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+        v = readb(rbtx4938_imask_addr);
         v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-        TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+        writeb(v, rbtx4938_imask_addr);
         mmiowb();
-        TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
 }
 
 static void
 toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
 {
-        volatile unsigned char v;
+        unsigned char v;
 
-        v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+        v = readb(rbtx4938_imask_addr);
         v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
-        TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+        writeb(v, rbtx4938_imask_addr);
         mmiowb();
-        TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
 }
 
 void __init arch_init_irq(void)
@@ -174,14 +150,12 @@ void __init arch_init_irq(void)
         /* all IRC interrupt mode are Low Active. */
 
         /* mask all IOC interrupts */
-        *rbtx4938_imask_ptr = 0;
+        writeb(0, rbtx4938_imask_addr);
 
         /* clear SoftInt interrupts */
-        *rbtx4938_softint_ptr = 0;
+        writeb(0, rbtx4938_softint_addr);
         tx4938_irq_init();
         toshiba_rbtx4938_irq_ioc_init();
         /* Onboard 10M Ether: High Active */
         set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
-
-        wbflush();
 }
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/setup.c b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
index b38ea5a9f5cb..2fbf7d4c3c71 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/setup.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/setup.c
@@ -23,7 +23,6 @@
 #include <linux/clk.h>
 #include <linux/gpio.h>
 
-#include <asm/wbflush.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <asm/txx9tmr.h>
@@ -91,12 +90,11 @@ void rbtx4938_machine_restart(char *command)
         local_irq_disable();
 
         printk("Rebooting...");
-        *rbtx4938_softresetlock_ptr = 1;
-        *rbtx4938_sfvol_ptr = 1;
-        *rbtx4938_softreset_ptr = 1;
-        wbflush();
-
-        while(1);
+        writeb(1, rbtx4938_softresetlock_addr);
+        writeb(1, rbtx4938_sfvol_addr);
+        writeb(1, rbtx4938_softreset_addr);
+        while(1)
+                ;
 }
 
 void __init
@@ -488,7 +486,7 @@ static int __init tx4938_pcibios_init(void)
         }
 
         /* Reset PCI Bus */
-        *rbtx4938_pcireset_ptr = 0;
+        writeb(0, rbtx4938_pcireset_addr);
         /* Reset PCIC */
         tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
         if (txboard_pci66_mode > 0)
@@ -496,8 +494,8 @@ static int __init tx4938_pcibios_init(void)
         mdelay(10);
         /* clear PCIC reset */
         tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-        *rbtx4938_pcireset_ptr = 1;
-        wbflush();
+        writeb(1, rbtx4938_pcireset_addr);
+        mmiowb();
         tx4938_report_pcic_status1(tx4938_pcicptr);
 
         tx4938_report_pciclk();
@@ -505,15 +503,15 @@ static int __init tx4938_pcibios_init(void)
         if (txboard_pci66_mode == 0 &&
             txboard_pci66_check(&tx4938_pci_controller[0], 0, 0)) {
                 /* Reset PCI Bus */
-                *rbtx4938_pcireset_ptr = 0;
+                writeb(0, rbtx4938_pcireset_addr);
                 /* Reset PCIC */
                 tx4938_ccfgptr->clkctr |= TX4938_CLKCTR_PCIRST;
                 tx4938_pciclk66_setup();
                 mdelay(10);
                 /* clear PCIC reset */
                 tx4938_ccfgptr->clkctr &= ~TX4938_CLKCTR_PCIRST;
-                *rbtx4938_pcireset_ptr = 1;
-                wbflush();
+                writeb(1, rbtx4938_pcireset_addr);
+                mmiowb();
                 /* Reinitialize PCIC */
                 tx4938_report_pciclk();
                 tx4938_pcic_setup(tx4938_pcicptr, &tx4938_pci_controller[0], io_base[0], extarb);
@@ -774,8 +772,9 @@ void __init tx4938_board_setup(void)
                 txx9_tmr_init(TX4938_TMR_REG(i) & 0xfffffffffULL);
 
         /* enable DMA */
-        TX4938_WR64(0xff1fb150, TX4938_DMA_MCR_MSTEN);
-        TX4938_WR64(0xff1fb950, TX4938_DMA_MCR_MSTEN);
+        for (i = 0; i < 2; i++)
+                ____raw_writeq(TX4938_DMA_MCR_MSTEN,
+                               (void __iomem *)(TX4938_DMA_REG(i) + 0x50));
 
         /* PIO */
         __raw_writel(0, &tx4938_pioptr->maskcpu);
@@ -861,10 +860,6 @@ void __init plat_mem_setup(void)
         if (txx9_master_clock == 0)
                 txx9_master_clock = 25000000; /* 25MHz */
         tx4938_board_setup();
-        /* setup serial stuff */
-        TX4938_WR(0xff1ff314, 0x00000000);      /* h/w flow control off */
-        TX4938_WR(0xff1ff414, 0x00000000);      /* h/w flow control off */
-
 #ifndef CONFIG_PCI
         set_io_port_base(RBTX4938_ETHER_BASE);
 #endif
@@ -930,16 +925,16 @@ void __init plat_mem_setup(void)
         pcfg = tx4938_ccfgptr->pcfg;    /* updated */
         /* fixup piosel */
         if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-            TX4938_PCFG_ATA_SEL) {
-                *rbtx4938_piosel_ptr = (*rbtx4938_piosel_ptr & 0x03) | 0x04;
-        }
+            TX4938_PCFG_ATA_SEL)
+                writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x04,
+                       rbtx4938_piosel_addr);
         else if ((pcfg & (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL)) ==
-            TX4938_PCFG_NDF_SEL) {
-                *rbtx4938_piosel_ptr = (*rbtx4938_piosel_ptr & 0x03) | 0x08;
-        }
-        else {
-                *rbtx4938_piosel_ptr &= ~(0x08 | 0x04);
-        }
+                 TX4938_PCFG_NDF_SEL)
+                writeb((readb(rbtx4938_piosel_addr) & 0x03) | 0x08,
+                       rbtx4938_piosel_addr);
+        else
+                writeb(readb(rbtx4938_piosel_addr) & ~(0x08 | 0x04),
+                       rbtx4938_piosel_addr);
 
         rbtx4938_fpga_resource.name = "FPGA Registers";
         rbtx4938_fpga_resource.start = CPHYSADDR(RBTX4938_FPGA_REG_ADDR);
@@ -948,17 +943,14 @@ void __init plat_mem_setup(void)
         if (request_resource(&iomem_resource, &rbtx4938_fpga_resource))
                 printk("request resource for fpga failed\n");
 
-        /* disable all OnBoard I/O interrupts */
-        *rbtx4938_imask_ptr = 0;
-
         _machine_restart = rbtx4938_machine_restart;
         _machine_halt = rbtx4938_machine_halt;
         pm_power_off = rbtx4938_machine_power_off;
 
-        *rbtx4938_led_ptr = 0xff;
-        printk("RBTX4938 --- FPGA(Rev %02x)", *rbtx4938_fpga_rev_ptr);
-        printk(" DIPSW:%02x,%02x\n",
-               *rbtx4938_dipsw_ptr, *rbtx4938_bdipsw_ptr);
+        writeb(0xff, rbtx4938_led_addr);
+        printk(KERN_INFO "RBTX4938 --- FPGA(Rev %02x) DIPSW:%02x,%02x\n",
+               readb(rbtx4938_fpga_rev_addr),
+               readb(rbtx4938_dipsw_addr), readb(rbtx4938_bdipsw_addr));
 }
 
 static int __init rbtx4938_ne_init(void)
@@ -1000,12 +992,12 @@ static void rbtx4938_spi_gpio_set(struct gpio_chip *chip, unsigned int offset,
         u8 val;
         unsigned long flags;
         spin_lock_irqsave(&rbtx4938_spi_gpio_lock, flags);
-        val = *rbtx4938_spics_ptr;
+        val = readb(rbtx4938_spics_addr);
         if (value)
                 val |= 1 << offset;
         else
                 val &= ~(1 << offset);
-        *rbtx4938_spics_ptr = val;
+        writeb(val, rbtx4938_spics_addr);
         mmiowb();
         spin_unlock_irqrestore(&rbtx4938_spi_gpio_lock, flags);
 }