diff options
23 files changed, 379 insertions, 493 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index db6394a77e85..6cc821384ccd 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -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 diff --git a/arch/arm/mach-imx/cache-l2x0.c b/arch/arm/mach-imx/cache-l2x0.c deleted file mode 100644 index 69d1322add3c..000000000000 --- a/arch/arm/mach-imx/cache-l2x0.c +++ /dev/null @@ -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); diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c new file mode 100644 index 000000000000..9f0e82ec3398 --- /dev/null +++ b/arch/arm/mach-imx/mm-imx3.c @@ -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); +} diff --git a/arch/arm/mach-imx/mm-imx31.c b/arch/arm/mach-imx/mm-imx31.c deleted file mode 100644 index b7c55e7db000..000000000000 --- a/arch/arm/mach-imx/mm-imx31.c +++ /dev/null @@ -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); -} diff --git a/arch/arm/mach-imx/mm-imx35.c b/arch/arm/mach-imx/mm-imx35.c deleted file mode 100644 index f49bac7a1ede..000000000000 --- a/arch/arm/mach-imx/mm-imx35.c +++ /dev/null @@ -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); -} diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c index acf17691d2cc..e455d2f855bf 100644 --- a/arch/arm/mach-imx/pm-imx27.c +++ b/arch/arm/mach-imx/pm-imx27.c @@ -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) { diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 7f452433a690..9565304b7282 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -4,7 +4,6 @@ # Object file lists. obj-y := cpu.o mm.o clock-mx51-mx53.o ehci.o system.o -obj-$(CONFIG_SOC_IMX50) += mm-mx50.o obj-$(CONFIG_PM) += pm-imx5.o obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c deleted file mode 100644 index 77e374c726fa..000000000000 --- a/arch/arm/mach-mx5/mm-mx50.c +++ /dev/null @@ -1,72 +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. - * - * Create static mapping between physical to virtual memory. - */ - -#include <linux/mm.h> -#include <linux/init.h> - -#include <asm/mach/map.h> - -#include <mach/hardware.h> -#include <mach/common.h> -#include <mach/iomux-v3.h> -#include <mach/irqs.h> - -/* - * Define the MX50 memory map. - */ -static struct map_desc mx50_io_desc[] __initdata = { - imx_map_entry(MX50, TZIC, MT_DEVICE), - imx_map_entry(MX50, SPBA0, MT_DEVICE), - imx_map_entry(MX50, AIPS1, MT_DEVICE), - imx_map_entry(MX50, AIPS2, 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 mx50_map_io(void) -{ - iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc)); -} - -void __init imx50_init_early(void) -{ - mxc_set_cpu_type(MXC_CPU_MX50); - mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR)); - mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR)); -} - -void __init mx50_init_irq(void) -{ - tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR)); -} - -void __init imx50_soc_init(void) -{ - /* i.mx50 has the i.mx31 type gpio */ - mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); - mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); - mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); - mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); - mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); - mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); -} diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index fcc5c4ce53f1..26eacc9d0d90 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -21,12 +21,27 @@ #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. + */ +static struct map_desc mx50_io_desc[] __initdata = { + imx_map_entry(MX50, TZIC, MT_DEVICE), + imx_map_entry(MX50, SPBA0, MT_DEVICE), + imx_map_entry(MX50, AIPS1, MT_DEVICE), + imx_map_entry(MX50, AIPS2, MT_DEVICE), +}; + /* * Define the MX51 memory map. */ static struct map_desc mx51_io_desc[] __initdata = { + imx_map_entry(MX51, TZIC, MT_DEVICE), imx_map_entry(MX51, IRAM, MT_DEVICE), - imx_map_entry(MX51, DEBUG, MT_DEVICE), imx_map_entry(MX51, AIPS1, MT_DEVICE), imx_map_entry(MX51, SPBA0, MT_DEVICE), imx_map_entry(MX51, AIPS2, MT_DEVICE), @@ -36,6 +51,7 @@ static struct map_desc mx51_io_desc[] __initdata = { * Define the MX53 memory map. */ static struct map_desc mx53_io_desc[] __initdata = { + imx_map_entry(MX53, TZIC, MT_DEVICE), imx_map_entry(MX53, AIPS1, MT_DEVICE), imx_map_entry(MX53, SPBA0, MT_DEVICE), imx_map_entry(MX53, AIPS2, MT_DEVICE), @@ -46,21 +62,34 @@ static struct map_desc mx53_io_desc[] __initdata = { * system startup to create static physical to virtual memory mappings * for the IO modules. */ +void __init mx50_map_io(void) +{ + iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc)); +} + void __init mx51_map_io(void) { iotable_init(mx51_io_desc, ARRAY_SIZE(mx51_io_desc)); } +void __init mx53_map_io(void) +{ + iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc)); +} + +void __init imx50_init_early(void) +{ + mxc_set_cpu_type(MXC_CPU_MX50); + mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR)); + mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR)); +} + 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)); -} - -void __init mx53_map_io(void) -{ - iotable_init(mx53_io_desc, ARRAY_SIZE(mx53_io_desc)); + imx_idle = imx5_idle; } void __init imx53_init_early(void) @@ -70,35 +99,19 @@ void __init imx53_init_early(void) mxc_arch_reset_init(MX53_IO_ADDRESS(MX53_WDOG1_BASE_ADDR)); } -void __init mx51_init_irq(void) +void __init mx50_init_irq(void) { - unsigned long tzic_addr; - void __iomem *tzic_virt; - - if (mx51_revision() < IMX_CHIP_REVISION_2_0) - tzic_addr = MX51_TZIC_BASE_ADDR_TO1; - else - tzic_addr = MX51_TZIC_BASE_ADDR; - - tzic_virt = ioremap(tzic_addr, SZ_16K); - if (!tzic_virt) - panic("unable to map TZIC interrupt controller\n"); + tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR)); +} - tzic_init_irq(tzic_virt); +void __init mx51_init_irq(void) +{ + tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR)); } void __init mx53_init_irq(void) { - unsigned long tzic_addr; - void __iomem *tzic_virt; - - tzic_addr = MX53_TZIC_BASE_ADDR; - - tzic_virt = ioremap(tzic_addr, SZ_16K); - if (!tzic_virt) - panic("unable to map TZIC interrupt controller\n"); - - tzic_init_irq(tzic_virt); + tzic_init_irq(MX53_IO_ADDRESS(MX53_TZIC_BASE_ADDR)); } static struct sdma_script_start_addrs imx51_sdma_script __initdata = { @@ -138,6 +151,17 @@ static struct sdma_platform_data imx53_sdma_pdata __initdata = { .script_addrs = &imx53_sdma_script, }; +void __init imx50_soc_init(void) +{ + /* i.mx50 has the i.mx31 type gpio */ + mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH); + mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH); + mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH); + mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH); + mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH); + mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH); +} + void __init imx51_soc_init(void) { /* i.mx51 has the i.mx31 type gpio */ diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c index e4529af0da72..0624fb8edffb 100644 --- a/arch/arm/mach-mx5/pm-imx5.c +++ b/arch/arm/mach-mx5/pm-imx5.c @@ -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; diff --git a/arch/arm/mach-mx5/system.c b/arch/arm/mach-mx5/system.c index 76ae8dc33e00..144ebebc4a61 100644 --- a/arch/arm/mach-mx5/system.c +++ b/arch/arm/mach-mx5/system.c @@ -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 diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 6c38262a3aaa..ea8dcb7742bc 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -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 diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index 3f86e7a4d2cc..8b3aa7afdae0 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -351,6 +351,11 @@ static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = { }, }; +static struct gpio mx28evk_lcd_gpios[] = { + { MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" }, + { MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" }, +}; + static void __init mx28evk_init(void) { int ret; @@ -377,19 +382,12 @@ static void __init mx28evk_init(void) mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]); } - ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable"); + ret = gpio_request_array(mx28evk_lcd_gpios, + ARRAY_SIZE(mx28evk_lcd_gpios)); if (ret) - pr_warn("failed to request gpio lcd-enable: %d\n", ret); + pr_warn("failed to request gpio pins for lcd: %d\n", ret); else - gpio_set_value(MX28EVK_LCD_ENABLE, 1); - - ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable"); - if (ret) - pr_warn("failed to request gpio bl-enable: %d\n", ret); - else - gpio_set_value(MX28EVK_BL_ENABLE, 1); - - mx28_add_mxsfb(&mx28evk_mxsfb_pdata); + mx28_add_mxsfb(&mx28evk_mxsfb_pdata); /* power on mmc slot by writing 0 to the gpio */ ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, @@ -402,7 +400,8 @@ static void __init mx28evk_init(void) "mmc1-slot-power"); if (ret) pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret); - mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); + else + mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); gpio_led_register_device(0, &mx28evk_led_data); } diff --git a/arch/arm/mach-mxs/mm-mx23.c b/arch/arm/mach-mxs/mm-mx23.c deleted file mode 100644 index 1b2345ac1a87..000000000000 --- a/arch/arm/mach-mxs/mm-mx23.c +++ /dev/null @@ -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(); -} diff --git a/arch/arm/mach-mxs/mm-mx28.c b/arch/arm/mach-mxs/mm.c index b6e18ddb92c0..50af5ceebf6d 100644 --- a/arch/arm/mach-mxs/mm-mx28.c +++ b/arch/arm/mach-mxs/mm.c @@ -16,11 +16,20 @@ #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. */ static struct map_desc mx28_io_desc[] __initdata = { @@ -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)); diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 91d810cef6fa..d7149d1bd32c 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -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 diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h index f57ec47d6fd5..eba3118adfbb 100644 --- a/arch/arm/plat-mxc/include/mach/hardware.h +++ b/arch/arm/plat-mxc/include/mach/hardware.h @@ -81,11 +81,16 @@ * AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000 * AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000 * mx51: + * TZIC 0xe0000000+0x004000 -> 0xf5000000+0x004000 * IRAM 0x1ffe0000+0x020000 -> 0xf4fe0000+0x020000 - * DEBUG 0x60000000+0x100000 -> 0xf5000000+0x100000 * SPBA0 0x70000000+0x100000 -> 0xf5400000+0x100000 * AIPS1 0x73f00000+0x100000 -> 0xf5700000+0x100000 * AIPS2 0x83f00000+0x100000 -> 0xf4300000+0x100000 + * mx53: + * TZIC 0x0fffc000+0x004000 -> 0xf4bfc000+0x004000 + * SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000 + * AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000 + * AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000 */ #define IMX_IO_P2V(x) ( \ 0xf4000000 + \ diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index 4347a87d2bb0..338300b18b00 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -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) diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h index 9666e31956b7..cdf07c65ec1e 100644 --- a/arch/arm/plat-mxc/include/mach/mx51.h +++ b/arch/arm/plat-mxc/include/mach/mx51.h @@ -18,18 +18,6 @@ #define MX51_GPU_CTRL_BASE_ADDR 0x30000000 #define MX51_IPU_CTRL_BASE_ADDR 0x40000000 -#define MX51_DEBUG_BASE_ADDR 0x60000000 -#define MX51_DEBUG_SIZE SZ_1M - -#define MX51_ETB_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x01000) -#define MX51_ETM_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x02000) -#define MX51_TPIU_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x03000) -#define MX51_CTI0_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x04000) -#define MX51_CTI1_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x05000) -#define MX51_CTI2_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x06000) -#define MX51_CTI3_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x07000) -#define MX51_CORTEX_DBG_BASE_ADDR (MX51_DEBUG_BASE_ADDR + 0x08000) - /* * SPBA global module enabled #0 */ @@ -135,6 +123,7 @@ #define MX51_GPU2D_BASE_ADDR 0xd0000000 #define MX51_TZIC_BASE_ADDR 0xe0000000 +#define MX51_TZIC_SIZE SZ_16K #define MX51_IO_P2V(x) IMX_IO_P2V(x) #define MX51_IO_ADDRESS(x) IOMEM(MX51_IO_P2V(x)) @@ -353,7 +342,4 @@ extern int mx51_revision(void); extern void mx51_display_revision(void); #endif -/* tape-out 1 defines */ -#define MX51_TZIC_BASE_ADDR_TO1 0x8fffc000 - #endif /* ifndef __MACH_MX51_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h index 5e3c3236ebf3..a37e8c353994 100644 --- a/arch/arm/plat-mxc/include/mach/mx53.h +++ b/arch/arm/plat-mxc/include/mach/mx53.h @@ -9,6 +9,7 @@ /* TZIC */ #define MX53_TZIC_BASE_ADDR 0x0FFFC000 +#define MX53_TZIC_SIZE SZ_16K /* * AHCI SATA diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h index 09879235a9f5..00a78193c681 100644 --- a/arch/arm/plat-mxc/include/mach/mxc.h +++ b/arch/arm/plat-mxc/include/mach/mxc.h @@ -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 diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h index 51f02a9d41a3..cf88b3593fba 100644 --- a/arch/arm/plat-mxc/include/mach/system.h +++ b/arch/arm/plat-mxc/include/mach/system.h @@ -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(); } diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 8024f2ac177c..9dad8dcc2ea9 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -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; /* |
