Initial file dump from open source releaseHEADmaster

1 files changed, 111 insertions, 0 deletions

diff --git a/drivers/platform/sprd/iomap.c b/drivers/platform/sprd/iomap.c
new file mode 100644
index 00000000..7a912fea
--- /dev/null
+++ b/drivers/platform/sprd/iomap.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2014 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/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <asm/io.h>
+#include <soc/sprd/sci_glb_regs.h>
+
+struct iotable_sprd io_addr_sprd;
+EXPORT_SYMBOL_GPL(io_addr_sprd);
+
+#define ADD_SPRD_DEVICE_BY_COMPAT(compat, id)		\
+do {							\
+	np = of_find_compatible_node(NULL, NULL, compat);\
+	if (of_can_translate_address(np)) {		\
+		of_address_to_resource(np, 0, &res);	\
+		io_addr_sprd.id.paddr = res.start;	\
+		io_addr_sprd.id.length =		\
+			resource_size(&res);		\
+		io_addr_sprd.id.vaddr = base + res.start;\
+		pr_debug("sprd io map: phys=%16lx virt=%16lx size=%16lx\n", \
+	io_addr_sprd.id.paddr, io_addr_sprd.id.vaddr, io_addr_sprd.id.length);\
+	}						\
+} while (0)
+
+#define ADD_SPRD_DEVICE_BY_NAME(name, id)		\
+do {							\
+	np = of_find_node_by_name(NULL, name);		\
+	if (of_can_translate_address(np)) {		\
+		of_address_to_resource(np, 0, &res);	\
+		io_addr_sprd.id.paddr = res.start;	\
+		io_addr_sprd.id.length =		\
+			resource_size(&res);		\
+		io_addr_sprd.id.vaddr = base + res.start;\
+		pr_debug("sprd io map: phys=%16lx virt=%16lx size=%16lx\n", \
+	io_addr_sprd.id.paddr, io_addr_sprd.id.vaddr, io_addr_sprd.id.length);\
+	}						\
+} while (0)
+
+static int sprd_create_iomap(void)
+{
+	struct device_node *np;
+	struct resource res;
+	unsigned long base;
+
+	base = (unsigned long) ioremap_nocache(0, SZ_2G);
+	if (!base)
+		panic("%s: unable to alloc such memory!", __func__);
+	io_addr_sprd.base = base;
+	pr_debug("sprd io map base address: %016x\n", base);
+
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,ahb", AHB);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,apbckg", APBCKG);
+	//ADD_SPRD_DEVICE_BY_COMPAT("sprd,hwlock0", HWLOCK0);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,pub_apb", PUB);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,aon_apb", AONAPB);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,pmu_apb", PMU);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,mm_ahb", MMAHB);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,mm_clk", MMCKG);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,ap_apb", APBREG);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,dma0", DMA0);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,gpu_apb", GPUAPB);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,ap_ckg", APCKG);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,aon_dma", AONDMA);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,pwm", PWM);
+	ADD_SPRD_DEVICE_BY_NAME("hwspinlock0", HWSPINLOCK0);
+	ADD_SPRD_DEVICE_BY_NAME("hwspinlock1", HWSPINLOCK1);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,intc2", INTC2);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,aonckg", AONCKG);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,core", CORE);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,gpuckg", GPUCKG);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,int", INT);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,intc0", INTC0);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,intc1", INTC1);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,intc3", INTC3);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uidefuse", UIDEFUSE);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,isp", ISP);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,csi2", CSI2);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,d-eic-gpio", EIC);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,ipi", IPI);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,dcam", DCAM);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,syscnt", SYSCNT);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,pin", PIN);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,d-gpio-gpio", GPIO);
+#if defined(CONFIG_ARCH_SCX35LT8)
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,codecahb", CODECAHB);
+#endif
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,lpddr2", LPDDR2);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uart0", UART0);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uart1", UART1);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uart2", UART2);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uart3", UART3);
+	ADD_SPRD_DEVICE_BY_COMPAT("sprd,uart4", UART4);
+	return 0;
+}
+
+early_initcall(sprd_create_iomap);