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/* arch/arm/mach-msm/io.c
*
* MSM7K, QSD io support
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2008-2012, Code Aurora Forum. All rights reserved.
* Author: Brian Swetland <swetland@google.com>
*
* 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/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <mach/hardware.h>
#include <asm/page.h>
#include <mach/msm_iomap.h>
#include <asm/mach/map.h>
#include <mach/board.h>
#define MSM_CHIP_DEVICE(name, chip) { \
.virtual = (unsigned long) MSM_##name##_BASE, \
.pfn = __phys_to_pfn(chip##_##name##_PHYS), \
.length = chip##_##name##_SIZE, \
.type = MT_DEVICE_NONSHARED, \
}
#define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM)
/* msm_shared_ram_phys default value of 0x00100000 is the most common value
* and should work as-is for any target without stacked memory.
*/
unsigned int msm_shared_ram_phys = 0x00100000;
static void __init msm_map_io(struct map_desc *io_desc, int size)
{
int i;
BUG_ON(!size);
for (i = 0; i < size; i++)
if (io_desc[i].virtual == (unsigned long)MSM_SHARED_RAM_BASE)
io_desc[i].pfn = __phys_to_pfn(msm_shared_ram_phys);
iotable_init(io_desc, size);
}
#if defined(CONFIG_ARCH_MSM7X01A) || defined(CONFIG_ARCH_MSM7X27) \
|| defined(CONFIG_ARCH_MSM7X25)
static struct map_desc msm_io_desc[] __initdata = {
MSM_CHIP_DEVICE(VIC, MSM7XXX),
MSM_CHIP_DEVICE(CSR, MSM7XXX),
MSM_CHIP_DEVICE(TMR, MSM7XXX),
MSM_CHIP_DEVICE(GPIO1, MSM7XXX),
MSM_CHIP_DEVICE(GPIO2, MSM7XXX),
MSM_CHIP_DEVICE(CLK_CTL, MSM7XXX),
MSM_CHIP_DEVICE(AD5, MSM7XXX),
MSM_CHIP_DEVICE(MDC, MSM7XXX),
#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
defined(CONFIG_DEBUG_MSM_UART3)
MSM_DEVICE(DEBUG_UART),
#endif
#ifdef CONFIG_CACHE_L2X0
{
.virtual = (unsigned long) MSM_L2CC_BASE,
.pfn = __phys_to_pfn(MSM7XXX_L2CC_PHYS),
.length = MSM7XXX_L2CC_SIZE,
.type = MT_DEVICE,
},
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_common_io(void)
{
/*Peripheral port memory remap, nothing looks to be there for
* cortex a5.
*/
#ifndef CONFIG_ARCH_MSM_CORTEX_A5
/* Make sure the peripheral register window is closed, since
* we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
* pages are peripheral interface or not.
*/
asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
#endif
msm_map_io(msm_io_desc, ARRAY_SIZE(msm_io_desc));
}
#endif
#ifdef CONFIG_ARCH_QSD8X50
static struct map_desc qsd8x50_io_desc[] __initdata = {
MSM_DEVICE(VIC),
MSM_DEVICE(CSR),
MSM_DEVICE(TMR),
MSM_DEVICE(GPIO1),
MSM_DEVICE(GPIO2),
MSM_DEVICE(CLK_CTL),
MSM_DEVICE(SIRC),
MSM_DEVICE(SCPLL),
MSM_DEVICE(AD5),
MSM_DEVICE(MDC),
MSM_DEVICE(TCSR),
#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
defined(CONFIG_DEBUG_MSM_UART3)
MSM_DEVICE(DEBUG_UART),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_qsd8x50_io(void)
{
msm_map_io(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
}
#endif /* CONFIG_ARCH_QSD8X50 */
#ifdef CONFIG_ARCH_MSM8X60
static struct map_desc msm8x60_io_desc[] __initdata = {
MSM_DEVICE(QGIC_DIST),
MSM_DEVICE(QGIC_CPU),
MSM_DEVICE(TMR),
MSM_DEVICE(TMR0),
MSM_DEVICE(RPM_MPM),
MSM_DEVICE(ACC),
MSM_DEVICE(ACC0),
MSM_DEVICE(ACC1),
MSM_DEVICE(SAW0),
MSM_DEVICE(SAW1),
MSM_DEVICE(GCC),
MSM_DEVICE(TLMM),
MSM_DEVICE(SCPLL),
MSM_DEVICE(RPM),
MSM_DEVICE(CLK_CTL),
MSM_DEVICE(MMSS_CLK_CTL),
MSM_DEVICE(LPASS_CLK_CTL),
MSM_DEVICE(TCSR),
MSM_DEVICE(IMEM),
MSM_DEVICE(HDMI),
#ifdef CONFIG_DEBUG_MSM8660_UART
MSM_DEVICE(DEBUG_UART),
#endif
MSM_DEVICE(SIC_NON_SECURE),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
MSM_DEVICE(QFPROM),
};
void __init msm_map_msm8x60_io(void)
{
msm_map_io(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
}
#endif /* CONFIG_ARCH_MSM8X60 */
#ifdef CONFIG_ARCH_MSM8960
static struct map_desc msm8960_io_desc[] __initdata = {
MSM_CHIP_DEVICE(QGIC_DIST, MSM8960),
MSM_CHIP_DEVICE(QGIC_CPU, MSM8960),
MSM_CHIP_DEVICE(ACC0, MSM8960),
MSM_CHIP_DEVICE(ACC1, MSM8960),
MSM_CHIP_DEVICE(TMR, MSM8960),
MSM_CHIP_DEVICE(TMR0, MSM8960),
MSM_CHIP_DEVICE(RPM_MPM, MSM8960),
MSM_CHIP_DEVICE(CLK_CTL, MSM8960),
MSM_CHIP_DEVICE(MMSS_CLK_CTL, MSM8960),
MSM_CHIP_DEVICE(LPASS_CLK_CTL, MSM8960),
MSM_CHIP_DEVICE(RPM, MSM8960),
MSM_CHIP_DEVICE(TLMM, MSM8960),
MSM_CHIP_DEVICE(HFPLL, MSM8960),
MSM_CHIP_DEVICE(SAW0, MSM8960),
MSM_CHIP_DEVICE(SAW1, MSM8960),
MSM_CHIP_DEVICE(SAW_L2, MSM8960),
MSM_CHIP_DEVICE(SIC_NON_SECURE, MSM8960),
MSM_CHIP_DEVICE(APCS_GCC, MSM8960),
MSM_CHIP_DEVICE(IMEM, MSM8960),
MSM_CHIP_DEVICE(HDMI, MSM8960),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_DEBUG_MSM8960_UART
MSM_DEVICE(DEBUG_UART),
#endif
MSM_CHIP_DEVICE(QFPROM, MSM8960),
};
void __init msm_map_msm8960_io(void)
{
msm_map_io(msm8960_io_desc, ARRAY_SIZE(msm8960_io_desc));
}
#endif /* CONFIG_ARCH_MSM8960 */
#ifdef CONFIG_ARCH_MSM8930
static struct map_desc msm8930_io_desc[] __initdata = {
MSM_CHIP_DEVICE(QGIC_DIST, MSM8930),
MSM_CHIP_DEVICE(QGIC_CPU, MSM8930),
MSM_CHIP_DEVICE(ACC0, MSM8930),
MSM_CHIP_DEVICE(ACC1, MSM8930),
MSM_CHIP_DEVICE(TMR, MSM8930),
MSM_CHIP_DEVICE(TMR0, MSM8930),
MSM_CHIP_DEVICE(RPM_MPM, MSM8930),
MSM_CHIP_DEVICE(CLK_CTL, MSM8930),
MSM_CHIP_DEVICE(MMSS_CLK_CTL, MSM8930),
MSM_CHIP_DEVICE(LPASS_CLK_CTL, MSM8930),
MSM_CHIP_DEVICE(RPM, MSM8930),
MSM_CHIP_DEVICE(TLMM, MSM8930),
MSM_CHIP_DEVICE(HFPLL, MSM8930),
MSM_CHIP_DEVICE(SAW0, MSM8930),
MSM_CHIP_DEVICE(SAW1, MSM8930),
MSM_CHIP_DEVICE(SAW_L2, MSM8930),
MSM_CHIP_DEVICE(SIC_NON_SECURE, MSM8930),
MSM_CHIP_DEVICE(APCS_GCC, MSM8930),
MSM_CHIP_DEVICE(IMEM, MSM8930),
MSM_CHIP_DEVICE(HDMI, MSM8930),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_DEBUG_MSM8930_UART
MSM_DEVICE(DEBUG_UART),
#endif
MSM_CHIP_DEVICE(QFPROM, MSM8930),
};
void __init msm_map_msm8930_io(void)
{
msm_map_io(msm8930_io_desc, ARRAY_SIZE(msm8930_io_desc));
}
#endif /* CONFIG_ARCH_MSM8930 */
#ifdef CONFIG_ARCH_APQ8064
static struct map_desc apq8064_io_desc[] __initdata = {
MSM_CHIP_DEVICE(QGIC_DIST, APQ8064),
MSM_CHIP_DEVICE(QGIC_CPU, APQ8064),
MSM_CHIP_DEVICE(TMR, APQ8064),
MSM_CHIP_DEVICE(TMR0, APQ8064),
MSM_CHIP_DEVICE(TLMM, APQ8064),
MSM_CHIP_DEVICE(ACC0, APQ8064),
MSM_CHIP_DEVICE(ACC1, APQ8064),
MSM_CHIP_DEVICE(ACC2, APQ8064),
MSM_CHIP_DEVICE(ACC3, APQ8064),
MSM_CHIP_DEVICE(HFPLL, APQ8064),
MSM_CHIP_DEVICE(CLK_CTL, APQ8064),
MSM_CHIP_DEVICE(MMSS_CLK_CTL, APQ8064),
MSM_CHIP_DEVICE(LPASS_CLK_CTL, APQ8064),
MSM_CHIP_DEVICE(APCS_GCC, APQ8064),
MSM_CHIP_DEVICE(RPM, APQ8064),
MSM_CHIP_DEVICE(RPM_MPM, APQ8064),
MSM_CHIP_DEVICE(SAW0, APQ8064),
MSM_CHIP_DEVICE(SAW1, APQ8064),
MSM_CHIP_DEVICE(SAW2, APQ8064),
MSM_CHIP_DEVICE(SAW3, APQ8064),
MSM_CHIP_DEVICE(SAW_L2, APQ8064),
MSM_CHIP_DEVICE(IMEM, APQ8064),
MSM_CHIP_DEVICE(HDMI, APQ8064),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
MSM_CHIP_DEVICE(QFPROM, APQ8064),
MSM_CHIP_DEVICE(SIC_NON_SECURE, APQ8064),
#ifdef CONFIG_DEBUG_APQ8064_UART
MSM_DEVICE(DEBUG_UART),
#endif
};
void __init msm_map_apq8064_io(void)
{
msm_map_io(apq8064_io_desc, ARRAY_SIZE(apq8064_io_desc));
}
#endif /* CONFIG_ARCH_APQ8064 */
#ifdef CONFIG_ARCH_MSMCOPPER
static struct map_desc msm_copper_io_desc[] __initdata = {
MSM_CHIP_DEVICE(QGIC_DIST, COPPER),
MSM_CHIP_DEVICE(QGIC_CPU, COPPER),
MSM_CHIP_DEVICE(APCS_GCC, COPPER),
MSM_CHIP_DEVICE(TLMM, COPPER),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_DEBUG_MSMCOPPER_UART
MSM_DEVICE(DEBUG_UART),
#endif
};
void __init msm_map_copper_io(void)
{
msm_shared_ram_phys = COPPER_MSM_SHARED_RAM_PHYS;
msm_map_io(msm_copper_io_desc, ARRAY_SIZE(msm_copper_io_desc));
}
#endif /* CONFIG_ARCH_MSMCOPPER */
#ifdef CONFIG_ARCH_MSM7X30
static struct map_desc msm7x30_io_desc[] __initdata = {
MSM_CHIP_DEVICE(VIC, MSM7X30),
MSM_CHIP_DEVICE(CSR, MSM7X30),
MSM_CHIP_DEVICE(TMR, MSM7X30),
MSM_CHIP_DEVICE(GPIO1, MSM7X30),
MSM_CHIP_DEVICE(GPIO2, MSM7X30),
MSM_CHIP_DEVICE(CLK_CTL, MSM7X30),
MSM_CHIP_DEVICE(CLK_CTL_SH2, MSM7X30),
MSM_CHIP_DEVICE(AD5, MSM7X30),
MSM_CHIP_DEVICE(MDC, MSM7X30),
MSM_CHIP_DEVICE(ACC0, MSM7X30),
MSM_CHIP_DEVICE(SAW0, MSM7X30),
MSM_CHIP_DEVICE(APCS_GCC, MSM7X30),
MSM_CHIP_DEVICE(TCSR, MSM7X30),
#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
defined(CONFIG_DEBUG_MSM_UART3)
MSM_DEVICE(DEBUG_UART),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_msm7x30_io(void)
{
msm_map_io(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
}
#endif /* CONFIG_ARCH_MSM7X30 */
#ifdef CONFIG_ARCH_FSM9XXX
static struct map_desc fsm9xxx_io_desc[] __initdata = {
MSM_DEVICE(VIC),
MSM_DEVICE(SIRC),
MSM_DEVICE(CSR),
MSM_DEVICE(TLMM),
MSM_DEVICE(TCSR),
MSM_DEVICE(CLK_CTL),
MSM_DEVICE(ACC),
MSM_DEVICE(SAW),
MSM_DEVICE(GCC),
MSM_DEVICE(GRFC),
MSM_DEVICE(QFP_FUSE),
MSM_DEVICE(HH),
#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
defined(CONFIG_DEBUG_MSM_UART3)
MSM_DEVICE(DEBUG_UART),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_fsm9xxx_io(void)
{
msm_map_io(fsm9xxx_io_desc, ARRAY_SIZE(fsm9xxx_io_desc));
}
#endif /* CONFIG_ARCH_FSM9XXX */
#ifdef CONFIG_ARCH_MSM9615
static struct map_desc msm9615_io_desc[] __initdata = {
MSM_CHIP_DEVICE(QGIC_DIST, MSM9615),
MSM_CHIP_DEVICE(QGIC_CPU, MSM9615),
MSM_CHIP_DEVICE(ACC0, MSM9615),
MSM_CHIP_DEVICE(TMR, MSM9615),
MSM_CHIP_DEVICE(TLMM, MSM9615),
MSM_CHIP_DEVICE(SAW0, MSM9615),
MSM_CHIP_DEVICE(APCS_GCC, MSM9615),
MSM_CHIP_DEVICE(TCSR, MSM9615),
MSM_CHIP_DEVICE(L2CC, MSM9615),
MSM_CHIP_DEVICE(CLK_CTL, MSM9615),
MSM_CHIP_DEVICE(LPASS_CLK_CTL, MSM9615),
MSM_CHIP_DEVICE(RPM, MSM9615),
MSM_CHIP_DEVICE(RPM_MPM, MSM9615),
MSM_CHIP_DEVICE(APCS_GLB, MSM9615),
MSM_CHIP_DEVICE(IMEM, MSM9615),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
MSM_CHIP_DEVICE(QFPROM, MSM9615),
};
void __init msm_map_msm9615_io(void)
{
msm_map_io(msm9615_io_desc, ARRAY_SIZE(msm9615_io_desc));
}
#endif /* CONFIG_ARCH_MSM9615 */
#ifdef CONFIG_ARCH_MSM8625
static struct map_desc msm8625_io_desc[] __initdata = {
MSM_CHIP_DEVICE(CSR, MSM7XXX),
MSM_CHIP_DEVICE(GPIO1, MSM7XXX),
MSM_CHIP_DEVICE(GPIO2, MSM7XXX),
MSM_CHIP_DEVICE(QGIC_DIST, MSM8625),
MSM_CHIP_DEVICE(QGIC_CPU, MSM8625),
MSM_CHIP_DEVICE(TMR, MSM8625),
MSM_CHIP_DEVICE(TMR0, MSM8625),
MSM_CHIP_DEVICE(SCU, MSM8625),
MSM_CHIP_DEVICE(CFG_CTL, MSM8625),
MSM_CHIP_DEVICE(CLK_CTL, MSM8625),
MSM_CHIP_DEVICE(SAW0, MSM8625),
MSM_CHIP_DEVICE(SAW1, MSM8625),
MSM_CHIP_DEVICE(AD5, MSM7XXX),
MSM_CHIP_DEVICE(MDC, MSM7XXX),
#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \
defined(CONFIG_DEBUG_MSM_UART3)
MSM_DEVICE(DEBUG_UART),
#endif
#ifdef CONFIG_CACHE_L2X0
{
.virtual = (unsigned long) MSM_L2CC_BASE,
.pfn = __phys_to_pfn(MSM7XXX_L2CC_PHYS),
.length = MSM7XXX_L2CC_SIZE,
.type = MT_DEVICE,
},
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_msm8625_io(void)
{
msm_map_io(msm8625_io_desc, ARRAY_SIZE(msm8625_io_desc));
}
#else
void __init msm_map_msm8625_io(void) { return; }
#endif /* CONFIG_ARCH_MSM8625 */
#ifdef CONFIG_ARCH_MSM9625
static struct map_desc msm9625_io_desc[] __initdata = {
MSM_CHIP_DEVICE(APCS_GCC, MSM9625),
MSM_CHIP_DEVICE(TLMM, MSM9625),
MSM_CHIP_DEVICE(TMR, MSM9625),
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_DEBUG_MSM9625_UART
MSM_DEVICE(DEBUG_UART),
#endif
};
void __init msm_map_msm9625_io(void)
{
msm_shared_ram_phys = MSM9625_SHARED_RAM_PHYS;
msm_map_io(msm9625_io_desc, ARRAY_SIZE(msm9625_io_desc));
}
#endif /* CONFIG_ARCH_MSM9625 */
void __iomem *
__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
if (mtype == MT_DEVICE) {
/* The peripherals in the 88000000 - F0000000 range
* are only accessable by type MT_DEVICE_NONSHARED.
* Adjust mtype as necessary to make this "just work."
*/
if ((phys_addr >= 0x88000000) && (phys_addr < 0xF0000000))
mtype = MT_DEVICE_NONSHARED;
}
return __arm_ioremap(phys_addr, size, mtype);
}
EXPORT_SYMBOL(__msm_ioremap);