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Merge branches 'cleanups/mx3-mm-v2' and 'cleanups/mxs' into imx-cleanup

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This commit is contained in:
Sascha Hauer 2011-10-04 10:55:53 +02:00
commit 05d900c9d8
17 changed files with 313 additions and 363 deletions
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5
arch/arm/mach-imx/Makefile
View file

@ -8,9 +8,8 @@ obj-$(CONFIG_SOC_IMX25) += clock-imx25.o mm-imx25.o ehci-imx25.o
obj-$(CONFIG_SOC_IMX27) += cpu-imx27.o pm-imx27.o
obj-$(CONFIG_SOC_IMX27) += clock-imx27.o mm-imx27.o ehci-imx27.o
obj-$(CONFIG_SOC_IMX31) += mm-imx31.o cpu-imx31.o clock-imx31.o iomux-imx31.o ehci-imx31.o
obj-$(CONFIG_SOC_IMX35) += mm-imx35.o cpu-imx35.o clock-imx35.o ehci-imx35.o
obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o
obj-$(CONFIG_SOC_IMX31) += mm-imx3.o cpu-imx31.o clock-imx31.o iomux-imx31.o ehci-imx31.o
obj-$(CONFIG_SOC_IMX35) += mm-imx3.o cpu-imx35.o clock-imx35.o ehci-imx35.o
# Support for CMOS sensor interface
obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o

56
arch/arm/mach-imx/cache-l2x0.c
View file

@ -1,56 +0,0 @@
/*
* Copyright (C) 2009-2010 Pengutronix
* Sascha Hauer <s.hauer@pengutronix.de>
* Juergen Beisert <j.beisert@pengutronix.de>
*
* 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/init.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/hardware.h>
static int mxc_init_l2x0(void)
{
void __iomem *l2x0_base;
void __iomem *clkctl_base;
if (!cpu_is_mx31() && !cpu_is_mx35())
return 0;
/*
* First of all, we must repair broken chip settings. There are some
* i.MX35 CPUs in the wild, comming with bogus L2 cache settings. These
* misconfigured CPUs will run amok immediately when the L2 cache gets enabled.
* Workaraound is to setup the correct register setting prior enabling the
* L2 cache. This should not hurt already working CPUs, as they are using the
* same value.
*/
#define L2_MEM_VAL 0x10
clkctl_base = ioremap(MX35_CLKCTL_BASE_ADDR, 4096);
if (clkctl_base != NULL) {
writel(0x00000515, clkctl_base + L2_MEM_VAL);
iounmap(clkctl_base);
} else {
pr_err("L2 cache: Cannot fix timing. Trying to continue without\n");
}
l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
if (IS_ERR(l2x0_base)) {
printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
PTR_ERR(l2x0_base));
return 0;
}
l2x0_init(l2x0_base, 0x00030024, 0x00000000);
return 0;
}
arch_initcall(mxc_init_l2x0);

256
arch/arm/mach-imx/mm-imx3.c Normal file
View file

@ -0,0 +1,256 @@
/*
* 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 <asm/pgtable.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/devices-common.h>
#include <mach/hardware.h>
#include <mach/iomux-v3.h>
#include <mach/irqs.h>
static void imx3_idle(void)
{
unsigned long reg = 0;
__asm__ __volatile__(
/* disable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"bic %0, %0, #0x00001000\n"
"bic %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
/* invalidate I cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c5, 0\n"
/* clear and invalidate D cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c14, 0\n"
/* WFI */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c0, 4\n"
"nop\n" "nop\n" "nop\n" "nop\n"
"nop\n" "nop\n" "nop\n"
/* enable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"orr %0, %0, #0x00001000\n"
"orr %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
: "=r" (reg));
}
static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
unsigned int mtype)
{
if (mtype == MT_DEVICE) {
/*
* Access all peripherals below 0x80000000 as nonshared device
* on mx3, but leave l2cc alone. Otherwise cache corruptions
* can occur.
*/
if (phys_addr < 0x80000000 &&
!addr_in_module(phys_addr, MX3x_L2CC))
mtype = MT_DEVICE_NONSHARED;
}
return __arm_ioremap(phys_addr, size, mtype);
}
void imx3_init_l2x0(void)
{
void __iomem *l2x0_base;
void __iomem *clkctl_base;
/*
* First of all, we must repair broken chip settings. There are some
* i.MX35 CPUs in the wild, comming with bogus L2 cache settings. These
* misconfigured CPUs will run amok immediately when the L2 cache gets enabled.
* Workaraound is to setup the correct register setting prior enabling the
* L2 cache. This should not hurt already working CPUs, as they are using the
* same value.
*/
#define L2_MEM_VAL 0x10
clkctl_base = ioremap(MX35_CLKCTL_BASE_ADDR, 4096);
if (clkctl_base != NULL) {
writel(0x00000515, clkctl_base + L2_MEM_VAL);
iounmap(clkctl_base);
} else {
pr_err("L2 cache: Cannot fix timing. Trying to continue without\n");
}
l2x0_base = ioremap(MX3x_L2CC_BASE_ADDR, 4096);
if (IS_ERR(l2x0_base)) {
printk(KERN_ERR "remapping L2 cache area failed with %ld\n",
PTR_ERR(l2x0_base));
return;
}
l2x0_init(l2x0_base, 0x00030024, 0x00000000);
}
static struct map_desc mx31_io_desc[] __initdata = {
imx_map_entry(MX31, X_MEMC, MT_DEVICE),
imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, SPBA0, 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 mx31_map_io(void)
{
iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
}
static struct map_desc mx35_io_desc[] __initdata = {
imx_map_entry(MX35, X_MEMC, MT_DEVICE),
imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
};
void __init mx35_map_io(void)
{
iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
}
void __init imx31_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX31);
mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
imx_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
}
void __init imx35_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX35);
mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
imx_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
}
void __init mx31_init_irq(void)
{
mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
}
void __init mx35_init_irq(void)
{
mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
}
static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = {
.per_2_per_addr = 1677,
};
static struct sdma_script_start_addrs imx31_to2_sdma_script __initdata = {
.ap_2_ap_addr = 423,
.ap_2_bp_addr = 829,
.bp_2_ap_addr = 1029,
};
static struct sdma_platform_data imx31_sdma_pdata __initdata = {
.fw_name = "sdma-imx31-to2.bin",
.script_addrs = &imx31_to2_sdma_script,
};
void __init imx31_soc_init(void)
{
int to_version = mx31_revision() >> 4;
imx3_init_l2x0();
mxc_register_gpio("imx31-gpio", 0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0);
mxc_register_gpio("imx31-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0);
mxc_register_gpio("imx31-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0);
if (to_version == 1) {
strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin",
strlen(imx31_sdma_pdata.fw_name));
imx31_sdma_pdata.script_addrs = &imx31_to1_sdma_script;
}
imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
}
static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = {
.ap_2_ap_addr = 642,
.uart_2_mcu_addr = 817,
.mcu_2_app_addr = 747,
.uartsh_2_mcu_addr = 1183,
.per_2_shp_addr = 1033,
.mcu_2_shp_addr = 961,
.ata_2_mcu_addr = 1333,
.mcu_2_ata_addr = 1252,
.app_2_mcu_addr = 683,
.shp_2_per_addr = 1111,
.shp_2_mcu_addr = 892,
};
static struct sdma_script_start_addrs imx35_to2_sdma_script __initdata = {
.ap_2_ap_addr = 729,
.uart_2_mcu_addr = 904,
.per_2_app_addr = 1597,
.mcu_2_app_addr = 834,
.uartsh_2_mcu_addr = 1270,
.per_2_shp_addr = 1120,
.mcu_2_shp_addr = 1048,
.ata_2_mcu_addr = 1429,
.mcu_2_ata_addr = 1339,
.app_2_per_addr = 1531,
.app_2_mcu_addr = 770,
.shp_2_per_addr = 1198,
.shp_2_mcu_addr = 979,
};
static struct sdma_platform_data imx35_sdma_pdata __initdata = {
.fw_name = "sdma-imx35-to2.bin",
.script_addrs = &imx35_to2_sdma_script,
};
void __init imx35_soc_init(void)
{
int to_version = mx35_revision() >> 4;
imx3_init_l2x0();
/* i.mx35 has the i.mx31 type gpio */
mxc_register_gpio("imx31-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
mxc_register_gpio("imx31-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
mxc_register_gpio("imx31-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
if (to_version == 1) {
strncpy(imx35_sdma_pdata.fw_name, "sdma-imx35-to1.bin",
strlen(imx35_sdma_pdata.fw_name));
imx35_sdma_pdata.script_addrs = &imx35_to1_sdma_script;
}
imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
}

91
arch/arm/mach-imx/mm-imx31.c
View file

@ -1,91 +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 <asm/pgtable.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/devices-common.h>
#include <mach/hardware.h>
#include <mach/iomux-v3.h>
#include <mach/irqs.h>
static struct map_desc mx31_io_desc[] __initdata = {
imx_map_entry(MX31, X_MEMC, MT_DEVICE),
imx_map_entry(MX31, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, AIPS2, MT_DEVICE_NONSHARED),
imx_map_entry(MX31, SPBA0, 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 mx31_map_io(void)
{
iotable_init(mx31_io_desc, ARRAY_SIZE(mx31_io_desc));
}
void __init imx31_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX31);
mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
}
void __init mx31_init_irq(void)
{
mxc_init_irq(MX31_IO_ADDRESS(MX31_AVIC_BASE_ADDR));
}
static struct sdma_script_start_addrs imx31_to1_sdma_script __initdata = {
.per_2_per_addr = 1677,
};
static struct sdma_script_start_addrs imx31_to2_sdma_script __initdata = {
.ap_2_ap_addr = 423,
.ap_2_bp_addr = 829,
.bp_2_ap_addr = 1029,
};
static struct sdma_platform_data imx31_sdma_pdata __initdata = {
.fw_name = "sdma-imx31-to2.bin",
.script_addrs = &imx31_to2_sdma_script,
};
void __init imx31_soc_init(void)
{
int to_version = mx31_revision() >> 4;
mxc_register_gpio("imx31-gpio", 0, MX31_GPIO1_BASE_ADDR, SZ_16K, MX31_INT_GPIO1, 0);
mxc_register_gpio("imx31-gpio", 1, MX31_GPIO2_BASE_ADDR, SZ_16K, MX31_INT_GPIO2, 0);
mxc_register_gpio("imx31-gpio", 2, MX31_GPIO3_BASE_ADDR, SZ_16K, MX31_INT_GPIO3, 0);
if (to_version == 1) {
strncpy(imx31_sdma_pdata.fw_name, "sdma-imx31-to1.bin",
strlen(imx31_sdma_pdata.fw_name));
imx31_sdma_pdata.script_addrs = &imx31_to1_sdma_script;
}
imx_add_imx_sdma("imx31-sdma", MX31_SDMA_BASE_ADDR, MX31_INT_SDMA, &imx31_sdma_pdata);
}

109
arch/arm/mach-imx/mm-imx35.c
View file

@ -1,109 +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 <asm/pgtable.h>
#include <asm/mach/map.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/common.h>
#include <mach/devices-common.h>
#include <mach/hardware.h>
#include <mach/iomux-v3.h>
#include <mach/irqs.h>
static struct map_desc mx35_io_desc[] __initdata = {
imx_map_entry(MX35, X_MEMC, MT_DEVICE),
imx_map_entry(MX35, AVIC, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, AIPS1, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, AIPS2, MT_DEVICE_NONSHARED),
imx_map_entry(MX35, SPBA0, MT_DEVICE_NONSHARED),
};
void __init mx35_map_io(void)
{
iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
}
void __init imx35_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX35);
mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
}
void __init mx35_init_irq(void)
{
mxc_init_irq(MX35_IO_ADDRESS(MX35_AVIC_BASE_ADDR));
}
static struct sdma_script_start_addrs imx35_to1_sdma_script __initdata = {
.ap_2_ap_addr = 642,
.uart_2_mcu_addr = 817,
.mcu_2_app_addr = 747,
.uartsh_2_mcu_addr = 1183,
.per_2_shp_addr = 1033,
.mcu_2_shp_addr = 961,
.ata_2_mcu_addr = 1333,
.mcu_2_ata_addr = 1252,
.app_2_mcu_addr = 683,
.shp_2_per_addr = 1111,
.shp_2_mcu_addr = 892,
};
static struct sdma_script_start_addrs imx35_to2_sdma_script __initdata = {
.ap_2_ap_addr = 729,
.uart_2_mcu_addr = 904,
.per_2_app_addr = 1597,
.mcu_2_app_addr = 834,
.uartsh_2_mcu_addr = 1270,
.per_2_shp_addr = 1120,
.mcu_2_shp_addr = 1048,
.ata_2_mcu_addr = 1429,
.mcu_2_ata_addr = 1339,
.app_2_per_addr = 1531,
.app_2_mcu_addr = 770,
.shp_2_per_addr = 1198,
.shp_2_mcu_addr = 979,
};
static struct sdma_platform_data imx35_sdma_pdata __initdata = {
.fw_name = "sdma-imx35-to2.bin",
.script_addrs = &imx35_to2_sdma_script,
};
void __init imx35_soc_init(void)
{
int to_version = mx35_revision() >> 4;
/* i.mx35 has the i.mx31 type gpio */
mxc_register_gpio("imx31-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
mxc_register_gpio("imx31-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
mxc_register_gpio("imx31-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
if (to_version == 1) {
strncpy(imx35_sdma_pdata.fw_name, "sdma-imx35-to1.bin",
strlen(imx35_sdma_pdata.fw_name));
imx35_sdma_pdata.script_addrs = &imx35_to1_sdma_script;
}
imx_add_imx_sdma("imx35-sdma", MX35_SDMA_BASE_ADDR, MX35_INT_SDMA, &imx35_sdma_pdata);
}

2
arch/arm/mach-imx/pm-imx27.c
View file

@ -11,7 +11,7 @@
#include <linux/suspend.h>
#include <linux/io.h>
#include <mach/system.h>
#include <mach/mx27.h>
#include <mach/hardware.h>
static int mx27_suspend_enter(suspend_state_t state)
{

6
arch/arm/mach-mx5/mm.c
View file

@ -21,6 +21,11 @@
#include <mach/devices-common.h>
#include <mach/iomux-v3.h>
static void imx5_idle(void)
{
mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
}
/*
* Define the MX50 memory map.
*/
@ -84,6 +89,7 @@ void __init imx51_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX51);
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
imx_idle = imx5_idle;
}
void __init imx53_init_early(void)

3
arch/arm/mach-mx5/pm-imx5.c
View file

@ -14,7 +14,8 @@
#include <linux/err.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <mach/system.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include "crm_regs.h"
static struct clk *gpc_dvfs_clk;

1
arch/arm/mach-mx5/system.c
View file

@ -13,6 +13,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include "crm_regs.h"
/* set cpu low power mode before WFI instruction. This function is called

6
arch/arm/mach-mxs/Makefile
View file

@ -1,11 +1,11 @@
# Common support
obj-y := clock.o devices.o icoll.o iomux.o system.o timer.o
obj-y := clock.o devices.o icoll.o iomux.o system.o timer.o mm.o
obj-$(CONFIG_MXS_OCOTP) += ocotp.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_SOC_IMX23) += clock-mx23.o mm-mx23.o
obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o
obj-$(CONFIG_SOC_IMX23) += clock-mx23.o
obj-$(CONFIG_SOC_IMX28) += clock-mx28.o
obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o
obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o

44
arch/arm/mach-mxs/mm-mx23.c
View file

@ -1,44 +0,0 @@
/*
* Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* 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
*
* Create static mapping between physical to virtual memory.
*/
#include <linux/mm.h>
#include <linux/init.h>
#include <asm/mach/map.h>
#include <mach/mx23.h>
#include <mach/common.h>
#include <mach/iomux.h>
/*
* Define the MX23 memory map.
*/
static struct map_desc mx23_io_desc[] __initdata = {
mxs_map_entry(MX23, OCRAM, MT_DEVICE),
mxs_map_entry(MX23, IO, MT_DEVICE),
};
/*
* 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 mx23_map_io(void)
{
iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
}
void __init mx23_init_irq(void)
{
icoll_init_irq();
}

19
arch/arm/mach-mxs/mm-mx28.c → arch/arm/mach-mxs/mm.c
View file

@ -16,10 +16,19 @@
#include <asm/mach/map.h>
#include <mach/mx23.h>
#include <mach/mx28.h>
#include <mach/common.h>
#include <mach/iomux.h>
/*
* Define the MX23 memory map.
*/
static struct map_desc mx23_io_desc[] __initdata = {
mxs_map_entry(MX23, OCRAM, MT_DEVICE),
mxs_map_entry(MX23, IO, MT_DEVICE),
};
/*
* Define the MX28 memory map.
*/
@ -33,6 +42,16 @@ static struct map_desc mx28_io_desc[] __initdata = {
* system startup to create static physical to virtual memory mappings
* for the IO modules.
*/
void __init mx23_map_io(void)
{
iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
}
void __init mx23_init_irq(void)
{
icoll_init_irq();
}
void __init mx28_map_io(void)
{
iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));

11
arch/arm/plat-mxc/include/mach/common.h
View file

@ -71,4 +71,15 @@ extern void mxc_arch_reset_init(void __iomem *);
extern void mx51_efikamx_reset(void);
extern int mx53_revision(void);
extern int mx53_display_revision(void);
enum mxc_cpu_pwr_mode {
WAIT_CLOCKED, /* wfi only */
WAIT_UNCLOCKED, /* WAIT */
WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */
STOP_POWER_ON, /* just STOP */
STOP_POWER_OFF, /* STOP + SRPG */
};
extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode);
extern void (*imx_idle)(void);
#endif

22
arch/arm/plat-mxc/include/mach/io.h
View file

@ -14,32 +14,22 @@
/* Allow IO space to be anywhere in the memory */
#define IO_SPACE_LIMIT 0xffffffff
#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
#include <mach/hardware.h>
#define __arch_ioremap __imx_ioremap
#define __arch_iounmap __iounmap
#define addr_in_module(addr, mod) \
((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE)
extern void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int);
static inline void __iomem *
__imx_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
if (mtype == MT_DEVICE && (cpu_is_mx31() || cpu_is_mx35())) {
/*
* Access all peripherals below 0x80000000 as nonshared device
* on mx3, but leave l2cc alone. Otherwise cache corruptions
* can occur.
*/
if (phys_addr < 0x80000000 &&
!addr_in_module(phys_addr, MX3x_L2CC))
mtype = MT_DEVICE_NONSHARED;
}
return __arm_ioremap(phys_addr, size, mtype);
if (imx_ioremap != NULL)
return imx_ioremap(phys_addr, size, mtype);
else
return __arm_ioremap(phys_addr, size, mtype);
}
#endif
/* io address mapping macro */
#define __io(a) __typesafe_io(a)

7
arch/arm/plat-mxc/include/mach/mxc.h
View file

@ -183,13 +183,6 @@ struct cpu_op {
};
int tzic_enable_wake(int is_idle);
enum mxc_cpu_pwr_mode {
WAIT_CLOCKED, /* wfi only */
WAIT_UNCLOCKED, /* WAIT */
WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */
STOP_POWER_ON, /* just STOP */
STOP_POWER_OFF, /* STOP + SRPG */
};
extern struct cpu_op *(*get_cpu_op)(int *op);
#endif

35
arch/arm/plat-mxc/include/mach/system.h
View file

@ -17,41 +17,12 @@
#ifndef __ASM_ARCH_MXC_SYSTEM_H__
#define __ASM_ARCH_MXC_SYSTEM_H__
#include <mach/hardware.h>
#include <mach/common.h>
extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode);
extern void (*imx_idle)(void);
static inline void arch_idle(void)
{
/* fix i.MX31 errata TLSbo65953 and i.MX35 errata ENGcm09472 */
if (cpu_is_mx31() || cpu_is_mx35()) {
unsigned long reg = 0;
__asm__ __volatile__(
/* disable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"bic %0, %0, #0x00001000\n"
"bic %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
/* invalidate I cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c5, 0\n"
/* clear and invalidate D cache */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c14, 0\n"
/* WFI */
"mov %0, #0\n"
"mcr p15, 0, %0, c7, c0, 4\n"
"nop\n" "nop\n" "nop\n" "nop\n"
"nop\n" "nop\n" "nop\n"
/* enable I and D cache */
"mrc p15, 0, %0, c1, c0, 0\n"
"orr %0, %0, #0x00001000\n"
"orr %0, %0, #0x00000004\n"
"mcr p15, 0, %0, c1, c0, 0\n"
: "=r" (reg));
} else if (cpu_is_mx51())
mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
if (imx_idle != NULL)
(imx_idle)();
else
cpu_do_idle();
}

3
arch/arm/plat-mxc/system.c
View file

@ -28,6 +28,9 @@
#include <asm/system.h>
#include <asm/mach-types.h>
void (*imx_idle)(void) = NULL;
void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL;
static void __iomem *wdog_base;
/*