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ARM: mx25: Remove static memory mapping 

We use dynamic memory mapping when using dt, so remove all the static mappings.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Fabio Estevam 2015-03-13 10:31:55 -03:00 committed by Shawn Guo
parent 8b88f7ef31
commit 6869a22fcf
4 changed files with 19 additions and 96 deletions
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2
arch/arm/mach-imx/Makefile
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@ -3,7 +3,7 @@ obj-y := time.o cpu.o system.o irq-common.o
obj-$(CONFIG_SOC_IMX1) += clk-imx1.o mm-imx1.o
obj-$(CONFIG_SOC_IMX21) += clk-imx21.o mm-imx21.o
obj-$(CONFIG_SOC_IMX25) += clk-imx25.o mm-imx25.o cpu-imx25.o mach-imx25.o
obj-$(CONFIG_SOC_IMX25) += clk-imx25.o cpu-imx25.o mach-imx25.o
obj-$(CONFIG_SOC_IMX27) += cpu-imx27.o pm-imx27.o
obj-$(CONFIG_SOC_IMX27) += clk-imx27.o mm-imx27.o ehci-imx27.o

4
arch/arm/mach-imx/common.h
View File

@ -23,13 +23,11 @@ struct of_device_id;
void mx1_map_io(void);
void mx21_map_io(void);
void mx25_map_io(void);
void mx27_map_io(void);
void mx31_map_io(void);
void mx35_map_io(void);
void imx1_init_early(void);
void imx21_init_early(void);
void imx25_init_early(void);
void imx27_init_early(void);
void imx31_init_early(void);
void imx35_init_early(void);
@ -37,13 +35,11 @@ void mxc_init_irq(void __iomem *);
void tzic_init_irq(void);
void mx1_init_irq(void);
void mx21_init_irq(void);
void mx25_init_irq(void);
void mx27_init_irq(void);
void mx31_init_irq(void);
void mx35_init_irq(void);
void imx1_soc_init(void);
void imx21_soc_init(void);
void imx25_soc_init(void);
void imx27_soc_init(void);
void imx31_soc_init(void);
void imx35_soc_init(void);

20
arch/arm/mach-imx/mach-imx25.c
View File

@ -10,12 +10,29 @@
*/
#include <linux/irq.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "common.h"
#include "mx25.h"
#include "hardware.h"
static void __init imx25_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX25);
}
static void __init mx25_init_irq(void)
{
struct device_node *np;
void __iomem *avic_base;
np = of_find_compatible_node(NULL, NULL, "fsl,avic");
avic_base = of_iomap(np, 0);
BUG_ON(!avic_base);
mxc_init_irq(avic_base);
}
static const char * const imx25_dt_board_compat[] __initconst = {
"fsl,imx25",
@ -23,7 +40,6 @@ static const char * const imx25_dt_board_compat[] __initconst = {
};
DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
.map_io = mx25_map_io,
.init_early = imx25_init_early,
.init_irq = mx25_init_irq,
.dt_compat = imx25_dt_board_compat,

89
arch/arm/mach-imx/mm-imx25.c
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@ -1,89 +0,0 @@
/*
* Copyright (C) 1999,2000 Arm Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* - add MX31 specific definitions
*
* 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.
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/pinctrl/machine.h>
#include <asm/pgtable.h>
#include <asm/mach/map.h>
#include "common.h"
#include "devices/devices-common.h"
#include "hardware.h"
#include "iomux-v3.h"
#include "mx25.h"
/*
* This table defines static virtual address mappings for I/O regions.
* These are the mappings common across all MX25 boards.
*/
static struct map_desc mx25_io_desc[] __initdata = {
imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED),
};
/*
* This function initializes the memory map. It is called during the
* system startup to create static physical to virtual memory mappings
* for the IO modules.
*/
void __init mx25_map_io(void)
{
iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc));
}
void __init imx25_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX25);
mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
}
void __init mx25_init_irq(void)
{
mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR));
}
static struct sdma_platform_data imx25_sdma_pdata __initdata = {
.fw_name = "sdma-imx25.bin",
};
static const struct resource imx25_audmux_res[] __initconst = {
DEFINE_RES_MEM(MX25_AUDMUX_BASE_ADDR, SZ_16K),
};
void __init imx25_soc_init(void)
{
mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
mxc_device_init();
/* i.mx25 has the i.mx35 type gpio */
mxc_register_gpio("imx35-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0);
mxc_register_gpio("imx35-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0);
mxc_register_gpio("imx35-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0);
mxc_register_gpio("imx35-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0);
pinctrl_provide_dummies();
/* i.mx25 has the i.mx35 type sdma */
imx_add_imx_sdma("imx35-sdma", MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata);
/* i.mx25 has the i.mx31 type audmux */
platform_device_register_simple("imx31-audmux", 0, imx25_audmux_res,
ARRAY_SIZE(imx25_audmux_res));
}