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ARM: imx: add initial support for imx6sl 

Add initial support for i.MX6 SoloLite.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
hifive-unleashed-5.1
Shawn Guo 2013-05-03 11:24:47 +08:00
parent 34e8a16b94
commit 31a2fbf70e
4 changed files with 72 additions and 0 deletions
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19
arch/arm/mach-imx/Kconfig
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@ -816,6 +816,25 @@ config SOC_IMX6Q
help
This enables support for Freescale i.MX6 Quad processor.
config SOC_IMX6SL
bool "i.MX6 SoloLite support"
select ARM_ERRATA_754322
select ARM_ERRATA_775420
select ARM_GIC
select CPU_V7
select HAVE_IMX_ANATOP
select HAVE_IMX_GPC
select HAVE_IMX_MMDC
select HAVE_IMX_SRC
select PINCTRL
select PINCTRL_IMX6SL
select PL310_ERRATA_588369 if CACHE_PL310
select PL310_ERRATA_727915 if CACHE_PL310
select PL310_ERRATA_769419 if CACHE_PL310
help
This enables support for Freescale i.MX6 SoloLite processor.
endif
source "arch/arm/mach-imx/devices/Kconfig"

1
arch/arm/mach-imx/Makefile
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@ -98,6 +98,7 @@ AFLAGS_headsmp.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SMP) += headsmp.o platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o
obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o mach-imx6sl.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o

1
arch/arm/mach-imx/common.h
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@ -69,6 +69,7 @@ extern int mx31_clocks_init_dt(void);
extern int mx51_clocks_init_dt(void);
extern int mx53_clocks_init_dt(void);
extern int mx6q_clocks_init(void);
extern int imx6sl_clocks_init(void);
extern struct platform_device *mxc_register_gpio(char *name, int id,
resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
extern void mxc_set_cpu_type(unsigned int type);

51
arch/arm/mach-imx/mach-imx6sl.c 100644
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@ -0,0 +1,51 @@
/*
* Copyright 2013 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/irqchip.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
static void __init imx6sl_init_machine(void)
{
mxc_arch_reset_init_dt();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static void __init imx6sl_init_irq(void)
{
l2x0_of_init(0, ~0UL);
imx_src_init();
imx_gpc_init();
irqchip_init();
}
static void __init imx6sl_timer_init(void)
{
imx6sl_clocks_init();
}
static const char *imx6sl_dt_compat[] __initdata = {
"fsl,imx6sl",
NULL,
};
DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
.map_io = debug_ll_io_init,
.init_irq = imx6sl_init_irq,
.init_time = imx6sl_timer_init,
.init_machine = imx6sl_init_machine,
.dt_compat = imx6sl_dt_compat,
.restart = mxc_restart,
MACHINE_END