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/*
* 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);
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