diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/cpu.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/devices/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/ehci.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 88 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mx31.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/mx35.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/pcm037.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/ulpi.h | 1 |
9 files changed, 10 insertions, 86 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index cab128913e72..8ff71058207d 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y := cpu.o system.o irq-common.o obj-$(CONFIG_SOC_IMX21) += mm-imx21.o diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 94906ed49392..d4e55f2a897e 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/err.h> #include <linux/module.h> #include <linux/io.h> diff --git a/arch/arm/mach-imx/devices/Makefile b/arch/arm/mach-imx/devices/Makefile index aa6cee870795..e44758aaa11c 100644 --- a/arch/arm/mach-imx/devices/Makefile +++ b/arch/arm/mach-imx/devices/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y := devices.o obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o diff --git a/arch/arm/mach-imx/ehci.h b/arch/arm/mach-imx/ehci.h index 0e060023db8b..b7ad6175f5bf 100644 --- a/arch/arm/mach-imx/ehci.h +++ b/arch/arm/mach-imx/ehci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_IMX_EHCI_H #define __MACH_IMX_EHCI_H diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 45801b27ee5c..b5f89fdbbb4b 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -286,88 +286,6 @@ static void __init imx6q_init_machine(void) imx6q_axi_init(); } -#define OCOTP_CFG3 0x440 -#define OCOTP_CFG3_SPEED_SHIFT 16 -#define OCOTP_CFG3_SPEED_1P2GHZ 0x3 -#define OCOTP_CFG3_SPEED_996MHZ 0x2 -#define OCOTP_CFG3_SPEED_852MHZ 0x1 - -static void __init imx6q_opp_check_speed_grading(struct device *cpu_dev) -{ - struct device_node *np; - void __iomem *base; - u32 val; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ocotp"); - if (!np) { - pr_warn("failed to find ocotp node\n"); - return; - } - - base = of_iomap(np, 0); - if (!base) { - pr_warn("failed to map ocotp\n"); - goto put_node; - } - - /* - * SPEED_GRADING[1:0] defines the max speed of ARM: - * 2b'11: 1200000000Hz; - * 2b'10: 996000000Hz; - * 2b'01: 852000000Hz; -- i.MX6Q Only, exclusive with 996MHz. - * 2b'00: 792000000Hz; - * We need to set the max speed of ARM according to fuse map. - */ - val = readl_relaxed(base + OCOTP_CFG3); - val >>= OCOTP_CFG3_SPEED_SHIFT; - val &= 0x3; - - if ((val != OCOTP_CFG3_SPEED_1P2GHZ) && cpu_is_imx6q()) - if (dev_pm_opp_disable(cpu_dev, 1200000000)) - pr_warn("failed to disable 1.2 GHz OPP\n"); - if (val < OCOTP_CFG3_SPEED_996MHZ) - if (dev_pm_opp_disable(cpu_dev, 996000000)) - pr_warn("failed to disable 996 MHz OPP\n"); - if (cpu_is_imx6q()) { - if (val != OCOTP_CFG3_SPEED_852MHZ) - if (dev_pm_opp_disable(cpu_dev, 852000000)) - pr_warn("failed to disable 852 MHz OPP\n"); - } - iounmap(base); -put_node: - of_node_put(np); -} - -static void __init imx6q_opp_init(void) -{ - struct device_node *np; - struct device *cpu_dev = get_cpu_device(0); - - if (!cpu_dev) { - pr_warn("failed to get cpu0 device\n"); - return; - } - np = of_node_get(cpu_dev->of_node); - if (!np) { - pr_warn("failed to find cpu0 node\n"); - return; - } - - if (dev_pm_opp_of_add_table(cpu_dev)) { - pr_warn("failed to init OPP table\n"); - goto put_node; - } - - imx6q_opp_check_speed_grading(cpu_dev); - -put_node: - of_node_put(np); -} - -static struct platform_device imx6q_cpufreq_pdev = { - .name = "imx6q-cpufreq", -}; - static void __init imx6q_init_late(void) { /* @@ -377,10 +295,8 @@ static void __init imx6q_init_late(void) if (imx_get_soc_revision() > IMX_CHIP_REVISION_1_1) imx6q_cpuidle_init(); - if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) { - imx6q_opp_init(); - platform_device_register(&imx6q_cpufreq_pdev); - } + if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) + platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); } static void __init imx6q_map_io(void) diff --git a/arch/arm/mach-imx/mx31.h b/arch/arm/mach-imx/mx31.h index ee9b1f9215df..d9574671ca5c 100644 --- a/arch/arm/mach-imx/mx31.h +++ b/arch/arm/mach-imx/mx31.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_MX31_H__ #define __MACH_MX31_H__ diff --git a/arch/arm/mach-imx/mx35.h b/arch/arm/mach-imx/mx35.h index 2af5d3a699c7..760de6a0af7e 100644 --- a/arch/arm/mach-imx/mx35.h +++ b/arch/arm/mach-imx/mx35.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_MX35_H__ #define __MACH_MX35_H__ diff --git a/arch/arm/mach-imx/pcm037.h b/arch/arm/mach-imx/pcm037.h index 7d167690e17d..470d3c887e14 100644 --- a/arch/arm/mach-imx/pcm037.h +++ b/arch/arm/mach-imx/pcm037.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PCM037_H__ #define __PCM037_H__ diff --git a/arch/arm/mach-imx/ulpi.h b/arch/arm/mach-imx/ulpi.h index 23f5c0349e80..b367902c9c32 100644 --- a/arch/arm/mach-imx/ulpi.h +++ b/arch/arm/mach-imx/ulpi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_ULPI_H #define __MACH_ULPI_H |