Merge tag 'integrator-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/dt

From Linus Walleij:
Two integrator device tree patches for v3.14:

- Delete some static core module mappings.

- Move EBI location to the device tree.

* tag 'integrator-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
  ARM: integrator: move EBI to the device tree
  ARM: integrator: delete static core module mappings

Signed-off-by: Kevin Hilman <khilman@linaro.org>

4 files changed, 44 insertions, 43 deletions

diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards
index 5fac246a9530..3509707f9320 100644
--- a/Documentation/devicetree/bindings/arm/arm-boards
+++ b/Documentation/devicetree/bindings/arm/arm-boards
@@ -14,6 +14,9 @@ Required nodes:
 - core-module: the root node to the Integrator platforms must have
   a core-module with regs and the compatible string
   "arm,core-module-integrator"
+- external-bus-interface: the root node to the Integrator platforms
+  must have an external bus interface with regs and the
+  compatible-string "arm,external-bus-interface"
 
   Required properties for the core module:
   - regs: the location and size of the core module registers, one
@@ -48,6 +51,11 @@ Required nodes:
                 reg = <0x10000000 0x200>;
         };
 
+        ebi@12000000 {
+                compatible = "arm,external-bus-interface";
+                reg = <0x12000000 0x100>;
+        };
+
         syscon {
                 compatible = "arm,integrator-ap-syscon";
                 reg = <0x11000000 0x100>;
diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi
index 0f06f8687b0b..88e3d477bf16 100644
--- a/arch/arm/boot/dts/integrator.dtsi
+++ b/arch/arm/boot/dts/integrator.dtsi
@@ -10,6 +10,11 @@
                 reg = <0x10000000 0x200>;
         };
 
+        ebi@12000000 {
+                compatible = "arm,external-bus-interface";
+                reg = <0x12000000 0x100>;
+        };
+
         timer@13000000 {
                 reg = <0x13000000 0x100>;
                 interrupt-parent = <&pic>;
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index d50dc2dbfd89..cc1d3fe21c4e 100644
--- 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);
         }
 }
 
@@ -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);
 
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 4fc0a195de01..5e84149d1790 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -64,9 +64,6 @@ static void __iomem *intcp_con_base;
 
 /*
  * Logical      Physical
- * 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
@@ -74,21 +71,10 @@ static void __iomem *intcp_con_base;
  * f1a00000     1a000000        Debug LEDs
  * fc900000     c9000000        GPIO
  * fca00000     ca000000        SIC
- * fcb00000     cb000000        CP system control
  */
 
 static struct map_desc intcp_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,