Merge branches 'fixes' and 'misc' into for-next

[linux-2.6-microblaze.git] / arch / arm / mach-integrator / integrator_ap.c

diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index d50dc2d..e4f27f0 100644 (file)
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -63,6 +63,9 @@
 
 /* Base address to the AP system controller */
 void __iomem *ap_syscon_base;
+/* Base address to the external bus interface */
+static void __iomem *ebi_base;
+
 
 /*
  * All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
@@ -72,15 +75,11 @@ void __iomem *ap_syscon_base;
  * just for now).
  */
 #define VA_IC_BASE     __io_address(INTEGRATOR_IC_BASE)
-#define VA_EBI_BASE    __io_address(INTEGRATOR_EBI_BASE)
-#define VA_CMIC_BASE   __io_address(INTEGRATOR_HDR_IC)
 
 /*
  * Logical      Physical
  * ef000000                    Cache flush
- * f1000000    10000000        Core module registers
  * f1100000    11000000        System controller registers
- * f1200000    12000000        EBI registers
  * f1300000    13000000        Counter/Timer
  * f1400000    14000000        Interrupt controller
  * f1600000    16000000        UART 0
@@ -91,16 +90,6 @@ void __iomem *ap_syscon_base;
 
 static struct map_desc ap_io_desc[] __initdata __maybe_unused = {
        {
-               .virtual        = IO_ADDRESS(INTEGRATOR_HDR_BASE),
-               .pfn            = __phys_to_pfn(INTEGRATOR_HDR_BASE),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE
-       }, {
-               .virtual        = IO_ADDRESS(INTEGRATOR_EBI_BASE),
-               .pfn            = __phys_to_pfn(INTEGRATOR_EBI_BASE),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE
-       }, {
                .virtual        = IO_ADDRESS(INTEGRATOR_CT_BASE),
                .pfn            = __phys_to_pfn(INTEGRATOR_CT_BASE),
                .length         = SZ_4K,
@@ -174,9 +163,6 @@ device_initcall(irq_syscore_init);
 /*
  * Flash handling.
  */
-#define EBI_CSR1 (VA_EBI_BASE + INTEGRATOR_EBI_CSR1_OFFSET)
-#define EBI_LOCK (VA_EBI_BASE + INTEGRATOR_EBI_LOCK_OFFSET)
-
 static int ap_flash_init(struct platform_device *dev)
 {
        u32 tmp;
@@ -184,13 +170,15 @@ static int ap_flash_init(struct platform_device *dev)
        writel(INTEGRATOR_SC_CTRL_nFLVPPEN | INTEGRATOR_SC_CTRL_nFLWP,
               ap_syscon_base + INTEGRATOR_SC_CTRLC_OFFSET);
 
-       tmp = readl(EBI_CSR1) | INTEGRATOR_EBI_WRITE_ENABLE;
-       writel(tmp, EBI_CSR1);
+       tmp = readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) |
+               INTEGRATOR_EBI_WRITE_ENABLE;
+       writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET);
 
-       if (!(readl(EBI_CSR1) & INTEGRATOR_EBI_WRITE_ENABLE)) {
-               writel(0xa05f, EBI_LOCK);
-               writel(tmp, EBI_CSR1);
-               writel(0, EBI_LOCK);
+       if (!(readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET)
+             & INTEGRATOR_EBI_WRITE_ENABLE)) {
+               writel(0xa05f, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET);
+               writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET);
+               writel(0, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET);
        }
        return 0;
 }
@@ -202,13 +190,15 @@ static void ap_flash_exit(struct platform_device *dev)
        writel(INTEGRATOR_SC_CTRL_nFLVPPEN | INTEGRATOR_SC_CTRL_nFLWP,
               ap_syscon_base + INTEGRATOR_SC_CTRLC_OFFSET);
 
-       tmp = readl(EBI_CSR1) & ~INTEGRATOR_EBI_WRITE_ENABLE;
-       writel(tmp, EBI_CSR1);
+       tmp = readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) &
+               ~INTEGRATOR_EBI_WRITE_ENABLE;
+       writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET);
 
-       if (readl(EBI_CSR1) & INTEGRATOR_EBI_WRITE_ENABLE) {
-               writel(0xa05f, EBI_LOCK);
-               writel(tmp, EBI_CSR1);
-               writel(0, EBI_LOCK);
+       if (readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) &
+           INTEGRATOR_EBI_WRITE_ENABLE) {
+               writel(0xa05f, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET);
+               writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET);
+               writel(0, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET);
        }
 }
 
@@ -277,7 +267,7 @@ struct amba_pl010_data ap_uart_data = {
 
 static unsigned long timer_reload;
 
-static u32 notrace integrator_read_sched_clock(void)
+static u64 notrace integrator_read_sched_clock(void)
 {
        return -readl((void __iomem *) TIMER2_VA_BASE + TIMER_VALUE);
 }
@@ -298,7 +288,7 @@ static void integrator_clocksource_init(unsigned long inrate,
 
        clocksource_mmio_init(base + TIMER_VALUE, "timer2",
                        rate, 200, 16, clocksource_mmio_readl_down);
-       setup_sched_clock(integrator_read_sched_clock, 16, rate);
+       sched_clock_register(integrator_read_sched_clock, 16, rate);
 }
 
 static void __iomem * clkevt_base;
@@ -368,7 +358,7 @@ static struct clock_event_device integrator_clockevent = {
 
 static struct irqaction integrator_timer_irq = {
        .name           = "timer",
-       .flags          = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+       .flags          = IRQF_TIMER | IRQF_IRQPOLL,
        .handler        = integrator_timer_interrupt,
        .dev_id         = &integrator_clockevent,
 };
@@ -475,11 +465,17 @@ static const struct of_device_id ap_syscon_match[] = {
        { },
 };
 
+static const struct of_device_id ebi_match[] = {
+       { .compatible = "arm,external-bus-interface"},
+       { },
+};
+
 static void __init ap_init_of(void)
 {
        unsigned long sc_dec;
        struct device_node *root;
        struct device_node *syscon;
+       struct device_node *ebi;
        struct device *parent;
        struct soc_device *soc_dev;
        struct soc_device_attribute *soc_dev_attr;
@@ -495,10 +491,16 @@ static void __init ap_init_of(void)
        syscon = of_find_matching_node(root, ap_syscon_match);
        if (!syscon)
                return;
+       ebi = of_find_matching_node(root, ebi_match);
+       if (!ebi)
+               return;
 
        ap_syscon_base = of_iomap(syscon, 0);
        if (!ap_syscon_base)
                return;
+       ebi_base = of_iomap(ebi, 0);
+       if (!ebi_base)
+               return;
 
        ap_sc_id = readl(ap_syscon_base);