]> Pileus Git - ~andy/linux/blobdiff - arch/arm/mach-zynq/common.c
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
[~andy/linux] / arch / arm / mach-zynq / common.c
index ab5cfddc0d7b44c007a408d0febb4d14c7559daa..e16d4bed0f7aaf1e1d4f7f3423cf2c0a35fd41dd 100644 (file)
 #include <linux/cpumask.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/clk/zynq.h>
+#include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/of.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/time.h>
 #include <asm/mach-types.h>
 #include <asm/page.h>
+#include <asm/pgtable.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
 
-#include <mach/zynq_soc.h>
-#include <mach/clkdev.h>
 #include "common.h"
 
 static struct of_device_id zynq_of_bus_ids[] __initdata = {
@@ -45,55 +47,57 @@ static struct of_device_id zynq_of_bus_ids[] __initdata = {
  */
 static void __init xilinx_init_machine(void)
 {
-#ifdef CONFIG_CACHE_L2X0
        /*
         * 64KB way size, 8-way associativity, parity disabled
         */
-       l2x0_init(PL310_L2CC_BASE, 0x02060000, 0xF0F0FFFF);
-#endif
+       l2x0_of_init(0x02060000, 0xF0F0FFFF);
 
        of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
 }
 
+static struct of_device_id irq_match[] __initdata = {
+       { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+       { }
+};
+
 /**
  * xilinx_irq_init() - Interrupt controller initialization for the GIC.
  */
 static void __init xilinx_irq_init(void)
 {
-       gic_init(0, 29, SCU_GIC_DIST_BASE, SCU_GIC_CPU_BASE);
+       of_irq_init(irq_match);
 }
 
-/* The minimum devices needed to be mapped before the VM system is up and
- * running include the GIC, UART and Timer Counter.
- */
+#define SCU_PERIPH_PHYS                0xF8F00000
+#define SCU_PERIPH_SIZE                SZ_8K
+#define SCU_PERIPH_VIRT                (VMALLOC_END - SCU_PERIPH_SIZE)
+
+static struct map_desc scu_desc __initdata = {
+       .virtual        = SCU_PERIPH_VIRT,
+       .pfn            = __phys_to_pfn(SCU_PERIPH_PHYS),
+       .length         = SCU_PERIPH_SIZE,
+       .type           = MT_DEVICE,
+};
+
+static void __init xilinx_zynq_timer_init(void)
+{
+       struct device_node *np;
+       void __iomem *slcr;
+
+       np = of_find_compatible_node(NULL, NULL, "xlnx,zynq-slcr");
+       slcr = of_iomap(np, 0);
+       WARN_ON(!slcr);
+
+       xilinx_zynq_clocks_init(slcr);
 
-static struct map_desc io_desc[] __initdata = {
-       {
-               .virtual        = TTC0_VIRT,
-               .pfn            = __phys_to_pfn(TTC0_PHYS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       }, {
-               .virtual        = SCU_PERIPH_VIRT,
-               .pfn            = __phys_to_pfn(SCU_PERIPH_PHYS),
-               .length         = SZ_8K,
-               .type           = MT_DEVICE,
-       }, {
-               .virtual        = PL310_L2CC_VIRT,
-               .pfn            = __phys_to_pfn(PL310_L2CC_PHYS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-
-#ifdef CONFIG_DEBUG_LL
-       {
-               .virtual        = UART0_VIRT,
-               .pfn            = __phys_to_pfn(UART0_PHYS),
-               .length         = SZ_4K,
-               .type           = MT_DEVICE,
-       },
-#endif
+       xttcpss_timer_init();
+}
 
+/*
+ * Instantiate and initialize the system timer structure
+ */
+static struct sys_timer xttcpss_sys_timer = {
+       .init           = xilinx_zynq_timer_init,
 };
 
 /**
@@ -101,11 +105,13 @@ static struct map_desc io_desc[] __initdata = {
  */
 static void __init xilinx_map_io(void)
 {
-       iotable_init(io_desc, ARRAY_SIZE(io_desc));
+       debug_ll_io_init();
+       iotable_init(&scu_desc, 1);
 }
 
 static const char *xilinx_dt_match[] = {
-       "xlnx,zynq-ep107",
+       "xlnx,zynq-zc702",
+       "xlnx,zynq-7000",
        NULL
 };