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-rw-r--r--arch/arm/mach-kirkwood/board-dt.c113
1 files changed, 93 insertions, 20 deletions
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 78188159484d..2801da49e2a3 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -19,11 +19,84 @@
#include <linux/of_platform.h>
#include <linux/dma-mapping.h>
#include <linux/irqchip.h>
-#include <linux/kexec.h>
+#include <asm/hardware/cache-feroceon-l2.h>
#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
#include <mach/bridge-regs.h>
#include <plat/common.h>
-#include "common.h"
+#include <plat/pcie.h>
+#include "pm.h"
+
+static struct map_desc kirkwood_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long) KIRKWOOD_REGS_VIRT_BASE,
+ .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
+ .length = KIRKWOOD_REGS_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init kirkwood_map_io(void)
+{
+ iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
+}
+
+static struct resource kirkwood_cpufreq_resources[] = {
+ [0] = {
+ .start = CPU_CONTROL_PHYS,
+ .end = CPU_CONTROL_PHYS + 3,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device kirkwood_cpufreq_device = {
+ .name = "kirkwood-cpufreq",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(kirkwood_cpufreq_resources),
+ .resource = kirkwood_cpufreq_resources,
+};
+
+static void __init kirkwood_cpufreq_init(void)
+{
+ platform_device_register(&kirkwood_cpufreq_device);
+}
+
+static struct resource kirkwood_cpuidle_resource[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ .start = DDR_OPERATION_BASE,
+ .end = DDR_OPERATION_BASE + 3,
+ },
+};
+
+static struct platform_device kirkwood_cpuidle = {
+ .name = "kirkwood_cpuidle",
+ .id = -1,
+ .resource = kirkwood_cpuidle_resource,
+ .num_resources = 1,
+};
+
+static void __init kirkwood_cpuidle_init(void)
+{
+ platform_device_register(&kirkwood_cpuidle);
+}
+
+/* Temporary here since mach-mvebu has a function we can use */
+static void kirkwood_restart(enum reboot_mode mode, const char *cmd)
+{
+ /*
+ * Enable soft reset to assert RSTOUTn.
+ */
+ writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
+
+ /*
+ * Assert soft reset.
+ */
+ writel(SOFT_RESET, SYSTEM_SOFT_RESET);
+
+ while (1)
+ ;
+}
#define MV643XX_ETH_MAC_ADDR_LOW 0x0414
#define MV643XX_ETH_MAC_ADDR_HIGH 0x0418
@@ -104,35 +177,35 @@ eth_fixup_skip:
}
}
-static void __init kirkwood_dt_init(void)
+/*
+ * Disable propagation of mbus errors to the CPU local bus, as this
+ * causes mbus errors (which can occur for example for PCI aborts) to
+ * throw CPU aborts, which we're not set up to deal with.
+ */
+static void __init kirkwood_disable_mbus_error_propagation(void)
{
- pr_info("Kirkwood: %s.\n", kirkwood_id());
+ void __iomem *cpu_config;
- /*
- * Disable propagation of mbus errors to the CPU local bus,
- * as this causes mbus errors (which can occur for example
- * for PCI aborts) to throw CPU aborts, which we're not set
- * up to deal with.
- */
- writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
+ cpu_config = ioremap(CPU_CONFIG_PHYS, 4);
+ writel(readl(cpu_config) & ~CPU_CONFIG_ERROR_PROP, cpu_config);
+ iounmap(cpu_config);
+}
- BUG_ON(mvebu_mbus_dt_init());
+static void __init kirkwood_dt_init(void)
+{
+ kirkwood_disable_mbus_error_propagation();
- kirkwood_l2_init();
+ BUG_ON(mvebu_mbus_dt_init());
+#ifdef CONFIG_CACHE_FEROCEON_L2
+ feroceon_of_init();
+#endif
kirkwood_cpufreq_init();
kirkwood_cpuidle_init();
kirkwood_pm_init();
kirkwood_dt_eth_fixup();
-#ifdef CONFIG_KEXEC
- kexec_reinit = kirkwood_enable_pcie;
-#endif
-
- if (of_machine_is_compatible("marvell,mv88f6281gtw-ge"))
- mv88f6281gtw_ge_init();
-
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}