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Merge tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc

Browse Source 
From Shawn Guo:
imx6q cpuidle support for 3.9

 - It's based on imx-cleanup-3.9 to avoid conflicts.

* tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx6q: support WAIT mode using cpuidle
  ARM: imx: move imx6q_cpuidle_driver into a separate file
  ARM: imx: mask gpc interrupts initially
  ARM: imx: return zero in case next event gets a large increment
  ARM: imx: Remove mx508 support
  ARM: imx: Remove mach-mx51_3ds board
  ARM: imx: use debug_ll_io_init() for imx6q
  ARM: imx: remove unused imx6q_clock_map_io()
  ARM: mach-imx: Kconfig: Do not select Babbage for MACH_IMX51_DT

Signed-off-by: Olof Johansson <olof@lixom.net>

Still, two delete/change conflicts caused by imx/cleanup:

	arch/arm/mach-imx/mach-mx50_rdp.c
	arch/arm/mach-imx/mach-mx51_3ds.c
This commit is contained in:
Olof Johansson
2013-02-04 22:24:20 -08:00
parent ef4acb75a0 e5f9dec8ff
commit 4227961650
29 changed files with 153 additions and 1959 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm/Kconfig.debug
+5 -5
View File
@@ -219,12 +219,12 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX51.
config DEBUG_IMX50_IMX53_UART
bool "i.MX50 and i.MX53 Debug UART"
depends on SOC_IMX50 || SOC_IMX53
config DEBUG_IMX53_UART
bool "i.MX53 Debug UART"
depends on SOC_IMX53
help
Say Y here if you want kernel low-level debugging support
on i.MX50 or i.MX53.
on i.MX53.
config DEBUG_IMX6Q_UART
bool "i.MX6Q Debug UART"
@@ -518,7 +518,7 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_IMX35_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX50_IMX53_UART ||\
DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
default "debug/mvebu.S" if DEBUG_MVEBU_UART
arch/arm/configs/imx_v6_v7_defconfig
-1
View File
@@ -33,7 +33,6 @@ CONFIG_MACH_PCM043=y
CONFIG_MACH_MX35_3DS=y
CONFIG_MACH_VPR200=y
CONFIG_MACH_IMX51_DT=y
CONFIG_MACH_MX51_3DS=y
CONFIG_MACH_EUKREA_CPUIMX51SD=y
CONFIG_SOC_IMX53=y
CONFIG_SOC_IMX6Q=y
arch/arm/include/debug/imx.S
+1 -1
View File
@@ -34,7 +34,7 @@
#define UART_PADDR 0x43f90000
#elif defined (CONFIG_DEBUG_IMX51_UART)
#define UART_PADDR 0x73fbc000
#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
#elif defined (CONFIG_DEBUG_IMX53_UART)
#define UART_PADDR 0x53fbc000
#elif defined (CONFIG_DEBUG_IMX6Q_UART)
#define UART_PADDR IMX6Q_DEBUG_UART_BASE
arch/arm/mach-imx/Kconfig
-36
View File
@@ -95,9 +95,6 @@ config MACH_MX27
config ARCH_MX5
bool
config ARCH_MX50
bool
config ARCH_MX51
bool
@@ -164,11 +161,6 @@ config SOC_IMX5
select CPU_V7
select MXC_TZIC
config SOC_IMX50
bool
select ARCH_MX50
select SOC_IMX5
config SOC_IMX51
bool
select ARCH_MX5
@@ -738,25 +730,10 @@ endif
if ARCH_MULTI_V7
comment "i.MX5 platforms:"
config MACH_MX50_RDP
bool "Support MX50 reference design platform"
depends on BROKEN
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_SPI_IMX
select SOC_IMX50
help
Include support for MX50 reference design platform (RDP) board. This
includes specific configurations for the board and its peripherals.
comment "i.MX51 machines:"
config MACH_IMX51_DT
bool "Support i.MX51 platforms from device tree"
select MACH_MX51_BABBAGE
select SOC_IMX51
help
Include support for Freescale i.MX51 based platforms
@@ -777,19 +754,6 @@ config MACH_MX51_BABBAGE
u-boot. This includes specific configurations for the board and its
peripherals.
config MACH_MX51_3DS
bool "Support MX51PDK (3DS)"
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_KEYPAD
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_SPI_IMX
select MXC_DEBUG_BOARD
select SOC_IMX51
help
Include support for MX51PDK (3DS) platform. This includes specific
configurations for the board and its peripherals.
config MACH_EUKREA_CPUIMX51SD
bool "Support Eukrea CPUIMX51SD module"
select IMX_HAVE_PLATFORM_FSL_USB2_UDC
arch/arm/mach-imx/Makefile
+5 -4
View File
@@ -28,7 +28,11 @@ obj-$(CONFIG_MXC_ULPI) += ulpi.o
obj-$(CONFIG_MXC_USE_EPIT) += epit.o
obj-$(CONFIG_MXC_DEBUG_BOARD) += 3ds_debugboard.o
obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
ifeq ($(CONFIG_CPU_IDLE),y)
obj-y += cpuidle.o
obj-$(CONFIG_SOC_IMX6Q) += cpuidle-imx6q.o
endif
ifdef CONFIG_SND_IMX_SOC
obj-y += ssi-fiq.o
@@ -88,7 +92,6 @@ obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
obj-$(CONFIG_DEBUG_LL) += lluart.o
obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o
obj-$(CONFIG_HAVE_IMX_SRC) += src.o
@@ -103,10 +106,8 @@ endif
# i.MX5 based machines
obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o
obj-$(CONFIG_MACH_MX51_3DS) += mach-mx51_3ds.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += mach-cpuimx51sd.o
obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd51-baseboard.o
obj-$(CONFIG_MACH_MX50_RDP) += mach-mx50_rdp.o
obj-$(CONFIG_MACH_IMX51_DT) += imx51-dt.o
obj-$(CONFIG_SOC_IMX53) += mach-imx53.o
arch/arm/mach-imx/Makefile.boot
-4
View File
@@ -22,10 +22,6 @@ zreladdr-$(CONFIG_SOC_IMX35) += 0x80008000
params_phys-$(CONFIG_SOC_IMX35) := 0x80000100
initrd_phys-$(CONFIG_SOC_IMX35) := 0x80800000
zreladdr-$(CONFIG_SOC_IMX50) += 0x70008000
params_phys-$(CONFIG_SOC_IMX50) := 0x70000100
initrd_phys-$(CONFIG_SOC_IMX50) := 0x70800000
zreladdr-$(CONFIG_SOC_IMX51) += 0x90008000
params_phys-$(CONFIG_SOC_IMX51) := 0x90000100
initrd_phys-$(CONFIG_SOC_IMX51) := 0x90800000
arch/arm/mach-imx/clk-imx6q.c
+11 -1
View File
@@ -54,9 +54,18 @@
#define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26)
#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
#define CGPR 0x64
#define BM_CGPR_CHICKEN_BIT (0x1 << 17)
static void __iomem *ccm_base;
void __init imx6q_clock_map_io(void) { }
void imx6q_set_chicken_bit(void)
{
u32 val = readl_relaxed(ccm_base + CGPR);
val |= BM_CGPR_CHICKEN_BIT;
writel_relaxed(val, ccm_base + CGPR);
}
int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
{
@@ -68,6 +77,7 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
break;
case WAIT_UNCLOCKED:
val |= 0x1 << BP_CLPCR_LPM;
val |= BM_CLPCR_ARM_CLK_DIS_ON_LPM;
break;
case STOP_POWER_ON:
val |= 0x2 << BP_CLPCR_LPM;
arch/arm/mach-imx/common.h
+3 -11
View File
@@ -21,7 +21,6 @@ extern void mx25_map_io(void);
extern void mx27_map_io(void);
extern void mx31_map_io(void);
extern void mx35_map_io(void);
extern void mx50_map_io(void);
extern void mx51_map_io(void);
extern void mx53_map_io(void);
extern void imx1_init_early(void);
@@ -30,7 +29,6 @@ extern void imx25_init_early(void);
extern void imx27_init_early(void);
extern void imx31_init_early(void);
extern void imx35_init_early(void);
extern void imx50_init_early(void);
extern void imx51_init_early(void);
extern void imx53_init_early(void);
extern void mxc_init_irq(void __iomem *);
@@ -41,7 +39,6 @@ extern void mx25_init_irq(void);
extern void mx27_init_irq(void);
extern void mx31_init_irq(void);
extern void mx35_init_irq(void);
extern void mx50_init_irq(void);
extern void mx51_init_irq(void);
extern void mx53_init_irq(void);
extern void imx1_soc_init(void);
@@ -50,7 +47,6 @@ extern void imx25_soc_init(void);
extern void imx27_soc_init(void);
extern void imx31_soc_init(void);
extern void imx35_soc_init(void);
extern void imx50_soc_init(void);
extern void imx51_soc_init(void);
extern void imx51_init_late(void);
extern void imx53_init_late(void);
@@ -109,26 +105,22 @@ void tzic_handle_irq(struct pt_regs *);
#define imx27_handle_irq avic_handle_irq
#define imx31_handle_irq avic_handle_irq
#define imx35_handle_irq avic_handle_irq
#define imx50_handle_irq tzic_handle_irq
#define imx51_handle_irq tzic_handle_irq
#define imx53_handle_irq tzic_handle_irq
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
#ifdef CONFIG_DEBUG_LL
extern void imx_lluart_map_io(void);
#else
static inline void imx_lluart_map_io(void) {}
#endif
extern void v7_cpu_resume(void);
extern u32 *pl310_get_save_ptr(void);
#ifdef CONFIG_SMP
extern void v7_secondary_startup(void);
extern void imx_scu_map_io(void);
extern void imx_smp_prepare(void);
extern void imx_scu_standby_enable(void);
#else
static inline void imx_scu_map_io(void) {}
static inline void imx_smp_prepare(void) {}
static inline void imx_scu_standby_enable(void) {}
#endif
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
@@ -138,7 +130,7 @@ extern void imx_gpc_init(void);
extern void imx_gpc_pre_suspend(void);
extern void imx_gpc_post_resume(void);
extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
extern void imx6q_clock_map_io(void);
extern void imx6q_set_chicken_bit(void);
extern void imx_cpu_die(unsigned int cpu);
arch/arm/mach-imx/cpu-imx5.c
-39
View File
@@ -22,7 +22,6 @@
static int mx5_cpu_rev = -1;
#define IIM_SREV 0x24
#define MX50_HW_ADADIG_DIGPROG 0xB0
static int get_mx51_srev(void)
{
@@ -108,41 +107,3 @@ int mx53_revision(void)
return mx5_cpu_rev;
}
EXPORT_SYMBOL(mx53_revision);
static int get_mx50_srev(void)
{
void __iomem *anatop = ioremap(MX50_ANATOP_BASE_ADDR, SZ_8K);
u32 rev;
if (!anatop) {
mx5_cpu_rev = -EINVAL;
return 0;
}
rev = readl(anatop + MX50_HW_ADADIG_DIGPROG);
rev &= 0xff;
iounmap(anatop);
if (rev == 0x0)
return IMX_CHIP_REVISION_1_0;
else if (rev == 0x1)
return IMX_CHIP_REVISION_1_1;
return 0;
}
/*
* Returns:
* the silicon revision of the cpu
* -EINVAL - not a mx50
*/
int mx50_revision(void)
{
if (!cpu_is_mx50())
return -EINVAL;
if (mx5_cpu_rev == -1)
mx5_cpu_rev = get_mx50_srev();
return mx5_cpu_rev;
}
EXPORT_SYMBOL(mx50_revision);
arch/arm/mach-imx/cpuidle-imx6q.c
+95
View File
@@ -0,0 +1,95 @@
/*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
#include <linux/module.h>
#include <asm/cpuidle.h>
#include <asm/proc-fns.h>
#include "common.h"
#include "cpuidle.h"
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
int cpu = dev->cpu;
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
if (atomic_inc_return(&master) == num_online_cpus()) {
/*
* With this lock, we prevent other cpu to exit and enter
* this function again and become the master.
*/
if (!spin_trylock(&master_lock))
goto idle;
imx6q_set_lpm(WAIT_UNCLOCKED);
cpu_do_idle();
imx6q_set_lpm(WAIT_CLOCKED);
spin_unlock(&master_lock);
goto done;
}
idle:
cpu_do_idle();
done:
atomic_dec(&master);
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
return index;
}
/*
* For each cpu, setup the broadcast timer because local timer
* stops for the states other than WFI.
*/
static void imx6q_setup_broadcast_timer(void *arg)
{
int cpu = smp_processor_id();
clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu);
}
static struct cpuidle_driver imx6q_cpuidle_driver = {
.name = "imx6q_cpuidle",
.owner = THIS_MODULE,
.en_core_tk_irqen = 1,
.states = {
/* WFI */
ARM_CPUIDLE_WFI_STATE,
/* WAIT */
{
.exit_latency = 50,
.target_residency = 75,
.flags = CPUIDLE_FLAG_TIME_VALID,
.enter = imx6q_enter_wait,
.name = "WAIT",
.desc = "Clock off",
},
},
.state_count = 2,
.safe_state_index = 0,
};
int __init imx6q_cpuidle_init(void)
{
/* Need to enable SCU standby for entering WAIT modes */
imx_scu_standby_enable();
/* Set chicken bit to get a reliable WAIT mode support */
imx6q_set_chicken_bit();
/* Configure the broadcast timer on each cpu */
on_each_cpu(imx6q_setup_broadcast_timer, NULL, 1);
return imx_cpuidle_init(&imx6q_cpuidle_driver);
}
arch/arm/mach-imx/cpuidle.h
+5
View File
@@ -14,9 +14,14 @@
#ifdef CONFIG_CPU_IDLE
extern int imx_cpuidle_init(struct cpuidle_driver *drv);
extern int imx6q_cpuidle_init(void);
#else
static inline int imx_cpuidle_init(struct cpuidle_driver *drv)
{
return -ENODEV;
}
static inline int imx6q_cpuidle_init(void)
{
return -ENODEV;
}
#endif
arch/arm/mach-imx/devices-imx50.h
-33
View File
@@ -1,33 +0,0 @@
/*
* Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "devices/devices-common.h"
extern const struct imx_imx_uart_1irq_data imx50_imx_uart_data[];
#define imx50_add_imx_uart(id, pdata) \
imx_add_imx_uart_1irq(&imx50_imx_uart_data[id], pdata)
extern const struct imx_fec_data imx50_fec_data;
#define imx50_add_fec(pdata) \
imx_add_fec(&imx50_fec_data, pdata)
extern const struct imx_imx_i2c_data imx50_imx_i2c_data[];
#define imx50_add_imx_i2c(id, pdata) \
imx_add_imx_i2c(&imx50_imx_i2c_data[id], pdata)
arch/arm/mach-imx/devices/Kconfig
+1 -1
View File
@@ -1,6 +1,6 @@
config IMX_HAVE_PLATFORM_FEC
bool
default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX50 || SOC_IMX51 || SOC_IMX53
default y if ARCH_MX25 || SOC_IMX27 || SOC_IMX35 || SOC_IMX51 || SOC_IMX53
config IMX_HAVE_PLATFORM_FLEXCAN
bool
arch/arm/mach-imx/devices/platform-fec.c
-6
View File
@@ -35,12 +35,6 @@ const struct imx_fec_data imx35_fec_data __initconst =
imx_fec_data_entry_single(MX35, "imx27-fec");
#endif
#ifdef CONFIG_SOC_IMX50
/* i.mx50 has the i.mx25 type fec */
const struct imx_fec_data imx50_fec_data __initconst =
imx_fec_data_entry_single(MX50, "imx25-fec");
#endif
#ifdef CONFIG_SOC_IMX51
/* i.mx51 has the i.mx27 type fec */
const struct imx_fec_data imx51_fec_data __initconst =
arch/arm/mach-imx/devices/platform-imx-i2c.c
-10
View File
@@ -70,16 +70,6 @@ const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
};
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX50
const struct imx_imx_i2c_data imx50_imx_i2c_data[] __initconst = {
#define imx50_imx_i2c_data_entry(_id, _hwid) \
imx_imx_i2c_data_entry(MX50, "imx21-i2c", _id, _hwid, SZ_4K)
imx50_imx_i2c_data_entry(0, 1),
imx50_imx_i2c_data_entry(1, 2),
imx50_imx_i2c_data_entry(2, 3),
};
#endif /* ifdef CONFIG_SOC_IMX51 */
#ifdef CONFIG_SOC_IMX51
const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = {
#define imx51_imx_i2c_data_entry(_id, _hwid) \
arch/arm/mach-imx/devices/platform-imx-uart.c
-12
View File
@@ -94,18 +94,6 @@ const struct imx_imx_uart_1irq_data imx35_imx_uart_data[] __initconst = {
};
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX50
const struct imx_imx_uart_1irq_data imx50_imx_uart_data[] __initconst = {
#define imx50_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_1irq_data_entry(MX50, _id, _hwid, SZ_4K)
imx50_imx_uart_data_entry(0, 1),
imx50_imx_uart_data_entry(1, 2),
imx50_imx_uart_data_entry(2, 3),
imx50_imx_uart_data_entry(3, 4),
imx50_imx_uart_data_entry(4, 5),
};
#endif /* ifdef CONFIG_SOC_IMX50 */
#ifdef CONFIG_SOC_IMX51
const struct imx_imx_uart_1irq_data imx51_imx_uart_data[] __initconst = {
#define imx51_imx_uart_data_entry(_id, _hwid) \
arch/arm/mach-imx/gpc.c
+5
View File
@@ -101,11 +101,16 @@ static void imx_gpc_irq_mask(struct irq_data *d)
void __init imx_gpc_init(void)
{
struct device_node *np;
int i;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc");
gpc_base = of_iomap(np, 0);
WARN_ON(!gpc_base);
/* Initially mask all interrupts */
for (i = 0; i < IMR_NUM; i++)
writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
/* Register GPC as the secondary interrupt controller behind GIC */
gic_arch_extn.irq_mask = imx_gpc_irq_mask;
gic_arch_extn.irq_unmask = imx_gpc_irq_unmask;
arch/arm/mach-imx/hardware.h
-6
View File
@@ -72,11 +72,6 @@
* AVIC 0x68000000+0x100000 -> 0xf5800000+0x100000
* X_MEMC 0xb8000000+0x010000 -> 0xf5c00000+0x010000
* SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000
* mx50:
* TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000
* AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000
* SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000
* AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000
* mx51:
* TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000
* IRAM 0x1ffe0000+0x020000 -> 0xf4fe0000+0x020000
@@ -108,7 +103,6 @@
#include "mxc.h"
#include "mx6q.h"
#include "mx50.h"
#include "mx51.h"
#include "mx53.h"
#include "mx3x.h"
arch/arm/mach-imx/iomux-mx50.h
-977
View File
File diff suppressed because it is too large Load Diff
arch/arm/mach-imx/lluart.c
-47
View File
@@ -1,47 +0,0 @@
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <asm/page.h>
#include <asm/sizes.h>
#include <asm/mach/map.h>
#include "hardware.h"
#define IMX6Q_UART1_BASE_ADDR 0x02020000
#define IMX6Q_UART2_BASE_ADDR 0x021e8000
#define IMX6Q_UART3_BASE_ADDR 0x021ec000
#define IMX6Q_UART4_BASE_ADDR 0x021f0000
#define IMX6Q_UART5_BASE_ADDR 0x021f4000
/*
* IMX6Q_UART_BASE_ADDR is put in the middle to force the expansion
* of IMX6Q_UART##n##_BASE_ADDR.
*/
#define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
#define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n)
#define IMX6Q_DEBUG_UART_BASE IMX6Q_UART_BASE(CONFIG_DEBUG_IMX6Q_UART_PORT)
static struct map_desc imx_lluart_desc = {
#ifdef CONFIG_DEBUG_IMX6Q_UART
.virtual = IMX_IO_P2V(IMX6Q_DEBUG_UART_BASE),
.pfn = __phys_to_pfn(IMX6Q_DEBUG_UART_BASE),
.length = 0x4000,
.type = MT_DEVICE,
#endif
};
void __init imx_lluart_map_io(void)
{
if (imx_lluart_desc.virtual)
iotable_init(&imx_lluart_desc, 1);
}

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