Initial file dump from open source releaseHEADmaster

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/platform/sprd/common.c b/drivers/platform/sprd/common.c
new file mode 100644
index 00000000..57b8f327
--- /dev/null
+++ b/drivers/platform/sprd/common.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/io.h>
+#include <linux/irqchip/arm-gic.h>
+#include <soc/sprd/hardware.h>
+
+static void __iomem *gic_dist_base_addr;
+static void __iomem *gic_cpu_base;
+
+void __iomem *sprd_get_gic_dist_base(void)
+{
+	gic_dist_base_addr = (void __iomem *)CORE_GIC_DIS_VA;
+	return gic_dist_base_addr;
+}
+
+void __iomem *sprd_get_gic_cpu_base(void)
+{
+	gic_cpu_base = (void __iomem *)CORE_GIC_CPU_VA;
+	return gic_cpu_base;
+}
+
+int sprd_map_gic(void){
+	gic_dist_base_addr = (void __iomem *)CORE_GIC_DIS_VA;
+	gic_cpu_base = (void __iomem *)CORE_GIC_CPU_VA;
+	return 0;
+}
+
+/*
+ * FIXME: Remove this GIC APIs once common GIG library starts
+ * supporting it.
+ */
+void gic_cpu_enable(unsigned int cpu)
+{
+	__raw_writel(0xf0, gic_cpu_base + GIC_CPU_PRIMASK);
+	__raw_writel(1, gic_cpu_base + GIC_CPU_CTRL);
+}
+
+void gic_cpu_disable(unsigned int cpu)
+{
+	__raw_writel(0, gic_cpu_base + GIC_CPU_CTRL);
+}
+
+
+bool gic_dist_disabled(void)
+{
+	return !(__raw_readl(gic_dist_base_addr + GIC_DIST_CTRL) & 0x1);
+}
+
+void gic_dist_enable(void)
+{
+	__raw_writel(0x1, gic_dist_base_addr + GIC_DIST_CTRL);
+}
+void gic_dist_disable(void)
+{
+	__raw_writel(0, gic_dist_base_addr + GIC_CPU_CTRL);
+}
+
+void __iomem *sprd_get_scu_base(void)
+{
+	return (void __iomem *)SPRD_CORE_BASE;
+}