diff options
| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-08 13:55:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-08 13:55:25 -0800 |
| commit | 469030d454bd1620c7b2651d9ec8cdcbaa74deb9 (patch) | |
| tree | 829522e0cb947c63cf63efafc241c8253eed728a /arch | |
| parent | Merge tag 'compat-ioctl-fix' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground (diff) | |
| parent | Merge tag 'omap-for-v5.6/soc-build-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc (diff) | |
| download | linux-dev-469030d454bd1620c7b2651d9ec8cdcbaa74deb9.tar.xz linux-dev-469030d454bd1620c7b2651d9ec8cdcbaa74deb9.zip | |
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"Most of these are smaller fixes that have accrued, and some continued
cleanup of OMAP platforms towards shared frameworks.
One new SoC from Atmel/Microchip: sam9x60"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
ARM: OMAP2+: Fix undefined reference to omap_secure_init
ARM: s3c64xx: Drop unneeded select of TIMER_OF
ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0
ARM: s3c24xx: Switch to atomic pwm API in rx1950
ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers
ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available
ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init()
ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization
ARM: at91: Documentation: add sam9x60 product and datasheet
ARM: at91: pm: use of_device_id array to find the proper shdwc node
ARM: at91: pm: use SAM9X60 PMC's compatible
ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A
ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start
ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume
ARM: tegra: Modify reshift divider during LP1
ARM: tegra: Enable PLLP bypass during Tegra124 LP1
ARM: samsung: Rename Samsung and Exynos to lowercase
ARM: exynos: Correct the help text for platform Kconfig option
ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB
ARM: brcmstb: Add debug UART entry for 7216
...
Diffstat (limited to 'arch')
37 files changed, 446 insertions, 127 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 8bcbd0cd739b..b70d7debf5ca 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -147,14 +147,14 @@ choice 0x80024000 | 0xf0024000 | UART9 config DEBUG_AT91_RM9200_DBGU - bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" + bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU" select DEBUG_AT91_UART - depends on SOC_AT91RM9200 || SOC_AT91SAM9 + depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 help Say Y here if you want kernel low-level debugging support on the DBGU port of: at91rm9200, at91sam9260, at91sam9g20, at91sam9261, - at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 + at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5, sam9x60 config DEBUG_AT91_SAM9263_DBGU bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" diff --git a/arch/arm/include/debug/brcmstb.S b/arch/arm/include/debug/brcmstb.S index bf8702ee8f86..132a20c4a676 100644 --- a/arch/arm/include/debug/brcmstb.S +++ b/arch/arm/include/debug/brcmstb.S @@ -31,6 +31,7 @@ #define UARTA_7268 UARTA_7255 #define UARTA_7271 UARTA_7268 #define UARTA_7278 REG_PHYS_ADDR_V7(0x40c000) +#define UARTA_7216 UARTA_7278 #define UARTA_7364 REG_PHYS_ADDR(0x40b000) #define UARTA_7366 UARTA_7364 #define UARTA_74371 REG_PHYS_ADDR(0x406b00) @@ -82,17 +83,18 @@ ARM_BE8( rev \rv, \rv ) /* Chip specific detection starts here */ 20: checkuart(\rp, \rv, 0x33900000, 3390) -21: checkuart(\rp, \rv, 0x72500000, 7250) -22: checkuart(\rp, \rv, 0x72550000, 7255) -23: checkuart(\rp, \rv, 0x72600000, 7260) -24: checkuart(\rp, \rv, 0x72680000, 7268) -25: checkuart(\rp, \rv, 0x72710000, 7271) -26: checkuart(\rp, \rv, 0x72780000, 7278) -27: checkuart(\rp, \rv, 0x73640000, 7364) -28: checkuart(\rp, \rv, 0x73660000, 7366) -29: checkuart(\rp, \rv, 0x07437100, 74371) -30: checkuart(\rp, \rv, 0x74390000, 7439) -31: checkuart(\rp, \rv, 0x74450000, 7445) +21: checkuart(\rp, \rv, 0x72160000, 7216) +22: checkuart(\rp, \rv, 0x72500000, 7250) +23: checkuart(\rp, \rv, 0x72550000, 7255) +24: checkuart(\rp, \rv, 0x72600000, 7260) +25: checkuart(\rp, \rv, 0x72680000, 7268) +26: checkuart(\rp, \rv, 0x72710000, 7271) +27: checkuart(\rp, \rv, 0x72780000, 7278) +28: checkuart(\rp, \rv, 0x73640000, 7364) +29: checkuart(\rp, \rv, 0x73660000, 7366) +30: checkuart(\rp, \rv, 0x07437100, 74371) +31: checkuart(\rp, \rv, 0x74390000, 7439) +32: checkuart(\rp, \rv, 0x74450000, 7445) /* No valid UART found */ 90: mov \rp, #0 diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index af41725fcc72..7979420bd48b 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -105,11 +105,28 @@ config SOC_AT91SAM9 AT91SAM9X35 AT91SAM9XE +config SOC_SAM9X60 + bool "SAM9X60" + depends on ARCH_MULTI_V5 + select ATMEL_AIC5_IRQ + select ATMEL_PM if PM + select ATMEL_SDRAMC + select CPU_ARM926T + select HAVE_AT91_USB_CLK + select HAVE_AT91_GENERATED_CLK + select HAVE_AT91_SAM9X60_PLL + select MEMORY + select PINCTRL_AT91 + select SOC_SAM_V4_V5 + select SRAM if PM + help + Select this if you are using Microchip's SAM9X60 SoC + comment "Clocksource driver selection" config ATMEL_CLOCKSOURCE_PIT bool "Periodic Interval Timer (PIT) support" - depends on SOC_AT91SAM9 || SOC_SAMA5 + depends on SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5 default SOC_AT91SAM9 || SOC_SAMA5 select ATMEL_PIT help @@ -119,7 +136,7 @@ config ATMEL_CLOCKSOURCE_PIT config ATMEL_CLOCKSOURCE_TCB bool "Timer Counter Blocks (TCB) support" - default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5 + default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 || SOC_SAMA5 select ATMEL_TCB_CLKSRC help Select this to get a high precision clocksource based on a @@ -154,6 +171,9 @@ config HAVE_AT91_AUDIO_PLL config HAVE_AT91_I2S_MUX_CLK bool +config HAVE_AT91_SAM9X60_PLL + bool + config SOC_SAM_V4_V5 bool diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index de64301dcff2..f565490f1b70 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -6,6 +6,7 @@ # CPU-specific support obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o +obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o obj-$(CONFIG_SOC_SAMA5) += sama5.o obj-$(CONFIG_SOC_SAMV7) += samv7.o diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c index bf629c90c758..7e572189a5eb 100644 --- a/arch/arm/mach-at91/at91sam9.c +++ b/arch/arm/mach-at91/at91sam9.c @@ -31,21 +31,3 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9") .init_machine = at91sam9_init, .dt_compat = at91_dt_board_compat, MACHINE_END - -static void __init sam9x60_init(void) -{ - of_platform_default_populate(NULL, NULL, NULL); - - sam9x60_pm_init(); -} - -static const char *const sam9x60_dt_board_compat[] __initconst = { - "microchip,sam9x60", - NULL -}; - -DT_MACHINE_START(sam9x60_dt, "Microchip SAM9X60") - /* Maintainer: Microchip */ - .init_machine = sam9x60_init, - .dt_compat = sam9x60_dt_board_compat, -MACHINE_END diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index d5af6aedc02c..374b9d155558 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -691,6 +691,12 @@ static void __init at91_pm_use_default_mode(int pm_mode) soc_pm.data.suspend_mode = AT91_PM_ULP0; } +static const struct of_device_id atmel_shdwc_ids[] = { + { .compatible = "atmel,sama5d2-shdwc" }, + { .compatible = "microchip,sam9x60-shdwc" }, + { /* sentinel. */ } +}; + static void __init at91_pm_modes_init(void) { struct device_node *np; @@ -700,7 +706,7 @@ static void __init at91_pm_modes_init(void) !at91_is_pm_mode_active(AT91_PM_ULP1)) return; - np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-shdwc"); + np = of_find_matching_node(NULL, atmel_shdwc_ids); if (!np) { pr_warn("%s: failed to find shdwc!\n", __func__); goto ulp1_default; @@ -751,6 +757,7 @@ static const struct of_device_id atmel_pmc_ids[] __initconst = { { .compatible = "atmel,sama5d3-pmc", .data = &pmc_infos[1] }, { .compatible = "atmel,sama5d4-pmc", .data = &pmc_infos[1] }, { .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] }, + { .compatible = "microchip,sam9x60-pmc", .data = &pmc_infos[1] }, { /* sentinel */ }, }; @@ -805,7 +812,7 @@ void __init at91rm9200_pm_init(void) void __init sam9x60_pm_init(void) { - if (!IS_ENABLED(CONFIG_SOC_AT91SAM9)) + if (!IS_ENABLED(CONFIG_SOC_SAM9X60)) return; at91_pm_modes_init(); diff --git a/arch/arm/mach-at91/sam9x60.c b/arch/arm/mach-at91/sam9x60.c new file mode 100644 index 000000000000..d8c739d25458 --- /dev/null +++ b/arch/arm/mach-at91/sam9x60.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Setup code for SAM9X60. + * + * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + */ + +#include <linux/of.h> +#include <linux/of_platform.h> + +#include <asm/mach/arch.h> +#include <asm/system_misc.h> + +#include "generic.h" + +static void __init sam9x60_init(void) +{ + of_platform_default_populate(NULL, NULL, NULL); + + sam9x60_pm_init(); +} + +static const char *const sam9x60_dt_board_compat[] __initconst = { + "microchip,sam9x60", + NULL +}; + +DT_MACHINE_START(sam9x60_dt, "Microchip SAM9X60") + /* Maintainer: Microchip */ + .init_machine = sam9x60_init, + .dt_compat = sam9x60_dt_board_compat, +MACHINE_END diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index e4e25f287ad7..fcfe2a0e8058 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -211,6 +211,7 @@ config ARCH_BRCMSTB bool "Broadcom BCM7XXX based boards" depends on ARCH_MULTI_V7 select ARCH_HAS_RESET_CONTROLLER + select ARM_AMBA select ARM_GIC select ARM_ERRATA_798181 if SMP select HAVE_ARM_ARCH_TIMER diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 6e7f10c8098a..cbbe03e96de8 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -3,10 +3,10 @@ # Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. # http://www.samsung.com/ -# Configuration options for the EXYNOS +# Configuration options for the Samsung Exynos menuconfig ARCH_EXYNOS - bool "Samsung EXYNOS" + bool "Samsung Exynos" depends on ARCH_MULTI_V7 select ARCH_HAS_HOLES_MEMORYMODEL select ARCH_SUPPORTS_BIG_ENDIAN @@ -42,7 +42,7 @@ menuconfig ARCH_EXYNOS select POWER_RESET_SYSCON select POWER_RESET_SYSCON_POWEROFF help - Support for SAMSUNG EXYNOS SoCs (EXYNOS4/5) + Support for Samsung Exynos SoCs if ARCH_EXYNOS @@ -52,63 +52,62 @@ config S5P_DEV_MFC Compile in setup memory (init) code for MFC config ARCH_EXYNOS3 - bool "SAMSUNG EXYNOS3" + bool "Samsung Exynos3" default y select ARM_CPU_SUSPEND if PM help - Samsung EXYNOS3 (Cortex-A7) SoC based systems + Samsung Exynos3 (Cortex-A7) SoC based systems config ARCH_EXYNOS4 - bool "SAMSUNG EXYNOS4" + bool "Samsung Exynos4" default y select ARM_CPU_SUSPEND if PM_SLEEP select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210 select CPU_EXYNOS4210 select GIC_NON_BANKED - select MIGHT_HAVE_CACHE_L2X0 help - Samsung EXYNOS4 (Cortex-A9) SoC based systems + Samsung Exynos4 (Cortex-A9) SoC based systems config ARCH_EXYNOS5 - bool "SAMSUNG EXYNOS5" + bool "Samsung Exynos5" default y help - Samsung EXYNOS5 (Cortex-A15/A7) SoC based systems + Samsung Exynos5 (Cortex-A15/A7) SoC based systems -comment "EXYNOS SoCs" +comment "Exynos SoCs" config SOC_EXYNOS3250 - bool "SAMSUNG EXYNOS3250" + bool "Samsung Exynos3250" default y depends on ARCH_EXYNOS3 config CPU_EXYNOS4210 - bool "SAMSUNG EXYNOS4210" + bool "Samsung Exynos4210" default y depends on ARCH_EXYNOS4 config SOC_EXYNOS4412 - bool "SAMSUNG EXYNOS4412" + bool "Samsung Exynos4412" default y depends on ARCH_EXYNOS4 config SOC_EXYNOS5250 - bool "SAMSUNG EXYNOS5250" + bool "Samsung Exynos5250" default y depends on ARCH_EXYNOS5 config SOC_EXYNOS5260 - bool "SAMSUNG EXYNOS5260" + bool "Samsung Exynos5260" default y depends on ARCH_EXYNOS5 config SOC_EXYNOS5410 - bool "SAMSUNG EXYNOS5410" + bool "Samsung Exynos5410" default y depends on ARCH_EXYNOS5 config SOC_EXYNOS5420 - bool "SAMSUNG EXYNOS5420" + bool "Samsung Exynos5420" default y depends on ARCH_EXYNOS5 select EXYNOS_MCPM if SMP @@ -116,7 +115,7 @@ config SOC_EXYNOS5420 select ARM_CPU_SUSPEND config SOC_EXYNOS5800 - bool "SAMSUNG EXYNOS5800" + bool "Samsung EXYNOS5800" default y depends on SOC_EXYNOS5420 diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h index 56411bb63d45..afd988a92836 100644 --- a/arch/arm/mach-exynos/common.h +++ b/arch/arm/mach-exynos/common.h @@ -3,7 +3,7 @@ * Copyright (c) 2011 Samsung Electronics Co., Ltd. * http://www.samsung.com * - * Common Header for EXYNOS machines + * Common Header for Exynos machines */ #ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index 9aa483366ebc..7a8d1555db40 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 // -// SAMSUNG EXYNOS Flattened Device Tree enabled machine +// Samsung Exynos Flattened Device Tree enabled machine // // Copyright (c) 2010-2014 Samsung Electronics Co., Ltd. // http://www.samsung.com @@ -192,7 +192,7 @@ static void __init exynos_dt_fixup(void) of_fdt_limit_memory(8); } -DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)") +DT_MACHINE_START(EXYNOS_DT, "Samsung Exynos (Flattened Device Tree)") .l2c_aux_val = 0x3c400001, .l2c_aux_mask = 0xc20fffff, .smp = smp_ops(exynos_smp_ops), diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 22ebe3654633..8d58faa54ff7 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -3,7 +3,7 @@ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * - * EXYNOS - Memory map definitions + * Exynos - Memory map definitions */ #ifndef __ASM_ARCH_MAP_H diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 48e7fb38613e..78af34cc89cc 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -3,7 +3,7 @@ // Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. // http://www.samsung.com // -// EXYNOS - Power Management support +// Exynos - Power Management support // // Based on arch/arm/mach-s3c2410/pm.c // Copyright (c) 2006 Simtec Electronics diff --git a/arch/arm/mach-exynos/smc.h b/arch/arm/mach-exynos/smc.h index 98832e50852d..5c30feb8f07d 100644 --- a/arch/arm/mach-exynos/smc.h +++ b/arch/arm/mach-exynos/smc.h @@ -2,7 +2,7 @@ /* * Copyright (c) 2012 Samsung Electronics. * - * EXYNOS - SMC Call + * Exynos - SMC Call */ #ifndef __ASM_ARCH_EXYNOS_SMC_H diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 6a0d3448ea00..3bf14ca78b62 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -3,7 +3,7 @@ // Copyright (c) 2011-2014 Samsung Electronics Co., Ltd. // http://www.samsung.com // -// EXYNOS - Suspend support +// Exynos - Suspend support // // Based on arch/arm/mach-s3c2410/pm.c // Copyright (c) 2006 Simtec Electronics diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 593bf1519608..95584ee02b55 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -520,6 +520,7 @@ config SOC_IMX6UL bool "i.MX6 UltraLite support" select PINCTRL_IMX6UL select SOC_IMX6 + select ARM_ERRATA_814220 help This enables support for Freescale i.MX6 UltraLite processor. @@ -556,6 +557,7 @@ config SOC_IMX7D select PINCTRL_IMX7D select SOC_IMX7D_CA7 if ARCH_MULTI_V7 select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M + select ARM_ERRATA_814220 if ARCH_MULTI_V7 help This enables support for Freescale i.MX7 Dual processor. diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 871f98342d50..06f8d64b65af 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -15,6 +15,11 @@ #define OCOTP_UID_H 0x420 #define OCOTP_UID_L 0x410 +#define OCOTP_ULP_UID_1 0x4b0 +#define OCOTP_ULP_UID_2 0x4c0 +#define OCOTP_ULP_UID_3 0x4d0 +#define OCOTP_ULP_UID_4 0x4e0 + unsigned int __mxc_cpu_type; static unsigned int imx_soc_revision; @@ -164,6 +169,7 @@ struct device * __init imx_soc_device_init(void) soc_id = "i.MX7D"; break; case MXC_CPU_IMX7ULP: + ocotp_compat = "fsl,imx7ulp-ocotp"; soc_id = "i.MX7ULP"; break; default: @@ -178,11 +184,25 @@ struct device * __init imx_soc_device_init(void) } if (!IS_ERR_OR_NULL(ocotp)) { - regmap_read(ocotp, OCOTP_UID_H, &val); - soc_uid = val; - regmap_read(ocotp, OCOTP_UID_L, &val); - soc_uid <<= 32; - soc_uid |= val; + if (__mxc_cpu_type == MXC_CPU_IMX7ULP) { + regmap_read(ocotp, OCOTP_ULP_UID_4, &val); + soc_uid = val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_3, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_2, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + regmap_read(ocotp, OCOTP_ULP_UID_1, &val); + soc_uid <<= 16; + soc_uid |= val & 0xffff; + } else { + regmap_read(ocotp, OCOTP_UID_H, &val); + soc_uid = val; + regmap_read(ocotp, OCOTP_UID_L, &val); + soc_uid <<= 32; + soc_uid |= val; + } } soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d.%d", diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index f07cfda85156..e1135b9d67c6 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -16,11 +16,11 @@ hwmod-common = omap_hwmod.o omap_hwmod_reset.o \ clock-common = clock.o secure-common = omap-smc.o omap-secure.o -obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) +obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) $(secure-common) obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) obj-$(CONFIG_ARCH_OMAP4) += $(hwmod-common) $(secure-common) -obj-$(CONFIG_SOC_AM33XX) += $(hwmod-common) -obj-$(CONFIG_SOC_OMAP5) += $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_AM33XX) += $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_OMAP5) += $(hwmod-common) $(secure-common) obj-$(CONFIG_SOC_AM43XX) += $(hwmod-common) $(secure-common) obj-$(CONFIG_SOC_DRA7XX) += $(hwmod-common) $(secure-common) diff --git a/arch/arm/mach-omap2/clockdomains43xx_data.c b/arch/arm/mach-omap2/clockdomains43xx_data.c index 751708d727af..c96a2b1efbad 100644 --- a/arch/arm/mach-omap2/clockdomains43xx_data.c +++ b/arch/arm/mach-omap2/clockdomains43xx_data.c @@ -84,6 +84,15 @@ static struct clockdomain l3s_tsc_43xx_clkdm = { .flags = CLKDM_CAN_SWSUP, }; +static struct clockdomain lcdc_43xx_clkdm = { + .name = "lcdc_clkdm", + .pwrdm = { .name = "per_pwrdm" }, + .prcm_partition = AM43XX_CM_PARTITION, + .cm_inst = AM43XX_CM_PER_INST, + .clkdm_offs = AM43XX_CM_PER_LCDC_CDOFFS, + .flags = CLKDM_CAN_SWSUP, +}; + static struct clockdomain dss_43xx_clkdm = { .name = "dss_clkdm", .pwrdm = { .name = "per_pwrdm" }, @@ -173,6 +182,7 @@ static struct clockdomain *clockdomains_am43xx[] __initdata = { &pruss_ocp_43xx_clkdm, &ocpwp_l3_43xx_clkdm, &l3s_tsc_43xx_clkdm, + &lcdc_43xx_clkdm, &dss_43xx_clkdm, &l3_aon_43xx_clkdm, &emif_43xx_clkdm, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 223b37c48389..3b1fd8e7d705 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -255,7 +255,7 @@ extern void gic_dist_disable(void); extern void gic_dist_enable(void); extern bool gic_dist_disabled(void); extern void gic_timer_retrigger(void); -extern void omap_smc1(u32 fn, u32 arg); +extern void _omap_smc1(u32 fn, u32 arg); extern void omap4_sar_ram_init(void); extern void __iomem *omap4_get_sar_ram_base(void); extern void omap4_mpuss_early_init(void); diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 349e48042982..f28047233665 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -51,6 +51,7 @@ #include "prm33xx.h" #include "prm44xx.h" #include "opp2xxx.h" +#include "omap-secure.h" /* * omap_clk_soc_init: points to a function that does the SoC-specific @@ -430,6 +431,7 @@ void __init omap2420_init_early(void) omap_hwmod_init_postsetup(); omap_clk_soc_init = omap2420_dt_clk_init; rate_table = omap2420_rate_table; + omap_secure_init(); } void __init omap2420_init_late(void) @@ -454,6 +456,7 @@ void __init omap2430_init_early(void) omap_hwmod_init_postsetup(); omap_clk_soc_init = omap2430_dt_clk_init; rate_table = omap2430_rate_table; + omap_secure_init(); } void __init omap2430_init_late(void) @@ -481,6 +484,7 @@ void __init omap3_init_early(void) omap3xxx_clockdomains_init(); omap3xxx_hwmod_init(); omap_hwmod_init_postsetup(); + omap_secure_init(); } void __init omap3430_init_early(void) @@ -533,6 +537,7 @@ void __init ti814x_init_early(void) dm814x_hwmod_init(); omap_hwmod_init_postsetup(); omap_clk_soc_init = dm814x_dt_clk_init; + omap_secure_init(); } void __init ti816x_init_early(void) @@ -549,6 +554,7 @@ void __init ti816x_init_early(void) dm816x_hwmod_init(); omap_hwmod_init_postsetup(); omap_clk_soc_init = dm816x_dt_clk_init; + omap_secure_init(); } #endif @@ -566,6 +572,7 @@ void __init am33xx_init_early(void) am33xx_hwmod_init(); omap_hwmod_init_postsetup(); omap_clk_soc_init = am33xx_dt_clk_init; + omap_secure_init(); } void __init am33xx_init_late(void) @@ -589,6 +596,7 @@ void __init am43xx_init_early(void) omap_hwmod_init_postsetup(); omap_l2_cache_init(); omap_clk_soc_init = am43xx_dt_clk_init; + omap_secure_init(); } void __init am43xx_init_late(void) @@ -617,6 +625,7 @@ void __init omap4430_init_early(void) omap_hwmod_init_postsetup(); omap_l2_cache_init(); omap_clk_soc_init = omap4xxx_dt_clk_init; + omap_secure_init(); } void __init omap4430_init_late(void) @@ -643,6 +652,7 @@ void __init omap5_init_early(void) omap54xx_hwmod_init(); omap_hwmod_init_postsetup(); omap_clk_soc_init = omap5xxx_dt_clk_init; + omap_secure_init(); } void __init omap5_init_late(void) @@ -666,6 +676,7 @@ void __init dra7xx_init_early(void) dra7xx_hwmod_init(); omap_hwmod_init_postsetup(); omap_clk_soc_init = dra7xx_dt_clk_init; + omap_secure_init(); } void __init dra7xx_init_late(void) diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c index f1a6ece8108e..54aff33e55e6 100644 --- a/arch/arm/mach-omap2/omap-iommu.c +++ b/arch/arm/mach-omap2/omap-iommu.c @@ -8,36 +8,134 @@ #include <linux/platform_device.h> #include <linux/err.h> +#include <linux/clk.h> +#include <linux/list.h> -#include "omap_hwmod.h" -#include "omap_device.h" +#include "clockdomain.h" #include "powerdomain.h" +struct pwrdm_link { + struct device *dev; + struct powerdomain *pwrdm; + struct list_head node; +}; + +static DEFINE_SPINLOCK(iommu_lock); +static struct clockdomain *emu_clkdm; +static atomic_t emu_count; + +static void omap_iommu_dra7_emu_swsup_config(struct platform_device *pdev, + bool enable) +{ + struct device_node *np = pdev->dev.of_node; + unsigned long flags; + + if (!of_device_is_compatible(np, "ti,dra7-dsp-iommu")) + return; + + if (!emu_clkdm) { + emu_clkdm = clkdm_lookup("emu_clkdm"); + if (WARN_ON_ONCE(!emu_clkdm)) + return; + } + + spin_lock_irqsave(&iommu_lock, flags); + + if (enable && (atomic_inc_return(&emu_count) == 1)) + clkdm_deny_idle(emu_clkdm); + else if (!enable && (atomic_dec_return(&emu_count) == 0)) + clkdm_allow_idle(emu_clkdm); + + spin_unlock_irqrestore(&iommu_lock, flags); +} + +static struct powerdomain *_get_pwrdm(struct device *dev) +{ + struct clk *clk; + struct clk_hw_omap *hwclk; + struct clockdomain *clkdm; + struct powerdomain *pwrdm = NULL; + struct pwrdm_link *entry; + unsigned long flags; + static LIST_HEAD(cache); + + spin_lock_irqsave(&iommu_lock, flags); + + list_for_each_entry(entry, &cache, node) { + if (entry->dev == dev) { + pwrdm = entry->pwrdm; + break; + } + } + + spin_unlock_irqrestore(&iommu_lock, flags); + + if (pwrdm) + return pwrdm; + + clk = of_clk_get(dev->of_node->parent, 0); + if (!clk) { + dev_err(dev, "no fck found\n"); + return NULL; + } + + hwclk = to_clk_hw_omap(__clk_get_hw(clk)); + clk_put(clk); + if (!hwclk || !hwclk->clkdm_name) { + dev_err(dev, "no hwclk data\n"); + return NULL; + } + + clkdm = clkdm_lookup(hwclk->clkdm_name); + if (!clkdm) { + dev_err(dev, "clkdm not found: %s\n", hwclk->clkdm_name); + return NULL; + } + + pwrdm = clkdm_get_pwrdm(clkdm); + if (!pwrdm) { + dev_err(dev, "pwrdm not found: %s\n", clkdm->name); + return NULL; + } + + entry = kmalloc(sizeof(*entry), GFP_KERNEL); + if (entry) { + entry->dev = dev; + entry->pwrdm = pwrdm; + spin_lock_irqsave(&iommu_lock, flags); + list_add(&entry->node, &cache); + spin_unlock_irqrestore(&iommu_lock, flags); + } + + return pwrdm; +} + int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, u8 *pwrst) { struct powerdomain *pwrdm; - struct omap_device *od; u8 next_pwrst; + int ret = 0; - od = to_omap_device(pdev); - if (!od) - return -ENODEV; - - if (od->hwmods_cnt != 1) - return -EINVAL; - - pwrdm = omap_hwmod_get_pwrdm(od->hwmods[0]); + pwrdm = _get_pwrdm(&pdev->dev); if (!pwrdm) - return -EINVAL; + return -ENODEV; - if (request) + if (request) { *pwrst = pwrdm_read_next_pwrst(pwrdm); + omap_iommu_dra7_emu_swsup_config(pdev, true); + } if (*pwrst > PWRDM_POWER_RET) - return 0; + goto out; next_pwrst = request ? PWRDM_POWER_ON : *pwrst; - return pwrdm_set_next_pwrst(pwrdm, next_pwrst); + ret = pwrdm_set_next_pwrst(pwrdm, next_pwrst); + +out: + if (!request) + omap_iommu_dra7_emu_swsup_config(pdev, false); + + return ret; } diff --git a/arch/arm/mach-omap2/omap-secure.c b/arch/arm/mach-omap2/omap-secure.c index 24298e47b9f1..d00e3c72e37d 100644 --- a/arch/arm/mach-omap2/omap-secure.c +++ b/arch/arm/mach-omap2/omap-secure.c @@ -8,18 +8,42 @@ * Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com> */ +#include <linux/arm-smccc.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> #include <linux/memblock.h> +#include <linux/of.h> #include <asm/cacheflush.h> #include <asm/memblock.h> +#include "common.h" #include "omap-secure.h" static phys_addr_t omap_secure_memblock_base; +bool optee_available; + +#define OMAP_SIP_SMC_STD_CALL_VAL(func_num) \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_STD_CALL, ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_SIP, (func_num)) + +static void __init omap_optee_init_check(void) +{ + struct device_node *np; + + /* + * We only check that the OP-TEE node is present and available. The + * OP-TEE kernel driver is not needed for the type of interaction made + * with OP-TEE here so the driver's status is not checked. + */ + np = of_find_node_by_path("/firmware/optee"); + if (np && of_device_is_available(np)) + optee_available = true; + of_node_put(np); +} + /** * omap_sec_dispatcher: Routine to dispatch low power secure * service routines @@ -53,6 +77,27 @@ u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2, return ret; } +void omap_smccc_smc(u32 fn, u32 arg) +{ + struct arm_smccc_res res; + + arm_smccc_smc(OMAP_SIP_SMC_STD_CALL_VAL(fn), arg, + 0, 0, 0, 0, 0, 0, &res); + WARN(res.a0, "Secure function call 0x%08x failed\n", fn); +} + +void omap_smc1(u32 fn, u32 arg) +{ + /* + * If this platform has OP-TEE installed we use ARM SMC calls + * otherwise fall back to the OMAP ROM style calls. + */ + if (optee_available) + omap_smccc_smc(fn, arg); + else + _omap_smc1(fn, arg); +} + /* Allocate the memory to save secure ram */ int __init omap_secure_ram_reserve_memblock(void) { @@ -163,3 +208,8 @@ u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag) NO_FLAG, 3, ptr, count, flag, 0); } + +void __init omap_secure_init(void) +{ + omap_optee_init_check(); +} diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h index 20046e8f8ecb..ba8c486c0454 100644 --- a/arch/arm/mach-omap2/omap-secure.h +++ b/arch/arm/mach-omap2/omap-secure.h @@ -10,6 +10,8 @@ #ifndef OMAP_ARCH_OMAP_SECURE_H #define OMAP_ARCH_OMAP_SECURE_H +#include <linux/types.h> + /* Monitor error code */ #define API_HAL_RET_VALUE_NS2S_CONVERSION_ERROR 0xFFFFFFFE #define API_HAL_RET_VALUE_SERVICE_UNKNWON 0xFFFFFFFF @@ -51,6 +53,9 @@ #define OMAP4_PPA_L2_POR_INDEX 0x23 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX 0x25 +#define AM43xx_PPA_SVC_PM_SUSPEND 0x71 +#define AM43xx_PPA_SVC_PM_RESUME 0x72 + /* Secure RX-51 PPA (Primary Protected Application) APIs */ #define RX51_PPA_HWRNG 29 #define RX51_PPA_L2_INVAL 40 @@ -60,6 +65,8 @@ extern u32 omap_secure_dispatcher(u32 idx, u32 flag, u32 nargs, u32 arg1, u32 arg2, u32 arg3, u32 arg4); +extern void omap_smccc_smc(u32 fn, u32 arg); +extern void omap_smc1(u32 fn, u32 arg); extern u32 omap_smc2(u32 id, u32 falg, u32 pargs); extern u32 omap_smc3(u32 id, u32 process, u32 flag, u32 pargs); extern phys_addr_t omap_secure_ram_mempool_base(void); @@ -72,6 +79,9 @@ extern u32 rx51_secure_dispatcher(u32 idx, u32 process, u32 flag, u32 nargs, extern u32 rx51_secure_update_aux_cr(u32 set_bits, u32 clear_bits); extern u32 rx51_secure_rng_call(u32 ptr, u32 count, u32 flag); +extern bool optee_available; +void omap_secure_init(void); + #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER void set_cntfreq(void); #else diff --git a/arch/arm/mach-omap2/omap-smc.S b/arch/arm/mach-omap2/omap-smc.S index fd2bcd91f4a1..d4832845a4e8 100644 --- a/arch/arm/mach-omap2/omap-smc.S +++ b/arch/arm/mach-omap2/omap-smc.S @@ -18,18 +18,18 @@ * the monitor API number. It uses few CPU registers * internally and hence they need be backed up including * link register "lr". - * Function signature : void omap_smc1(u32 fn, u32 arg) + * Function signature : void _omap_smc1(u32 fn, u32 arg) */ .arch armv7-a .arch_extension sec -ENTRY(omap_smc1) +ENTRY(_omap_smc1) stmfd sp!, {r2-r12, lr} mov r12, r0 mov r0, r1 dsb smc #0 ldmfd sp!, {r2-r12, pc} -ENDPROC(omap_smc1) +ENDPROC(_omap_smc1) /** * u32 omap_smc2(u32 id, u32 falg, u32 pargs) diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index e95c224ffc4d..fb26ba58f3cf 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -23,6 +23,7 @@ #include <linux/platform_data/ti-sysc.h> #include <linux/platform_data/wkup_m3.h> #include <linux/platform_data/asoc-ti-mcbsp.h> +#include <linux/platform_data/ti-prm.h> #include "clockdomain.h" #include "common.h" @@ -42,6 +43,17 @@ struct pdata_init { static struct of_dev_auxdata omap_auxdata_lookup[]; static struct twl4030_gpio_platform_data twl_gpio_auxdata; +#if IS_ENABLED(CONFIG_OMAP_IOMMU) +int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request, + u8 *pwrst); +#else +static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, + bool request, u8 *pwrst) +{ + return 0; +} +#endif + #ifdef CONFIG_MACH_NOKIA_N8X0 static void __init omap2420_n8x0_legacy_init(void) { @@ -260,16 +272,6 @@ static void __init omap3_pandora_legacy_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ -#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) -static struct iommu_platform_data omap4_iommu_pdata = { - .reset_name = "mmu_cache", - .assert_reset = omap_device_assert_hardreset, - .deassert_reset = omap_device_deassert_hardreset, - .device_enable = omap_device_enable, - .device_idle = omap_device_idle, -}; -#endif - #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static struct wkup_m3_platform_data wkup_m3_data = { .reset_name = "wkup_m3", @@ -285,6 +287,10 @@ static void __init omap5_uevm_legacy_init(void) #endif #ifdef CONFIG_SOC_DRA7XX +static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = { + .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint, +}; + static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1; static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2; static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3; @@ -412,6 +418,12 @@ void omap_pcs_legacy_init(int irq, void (*rearm)(void)) pcs_pdata.rearm = rearm; } +static struct ti_prm_platform_data ti_prm_pdata = { + .clkdm_deny_idle = clkdm_deny_idle, + .clkdm_allow_idle = clkdm_allow_idle, + .clkdm_lookup = clkdm_lookup, +}; + /* * GPIOs for TWL are initialized by the I2C bus and need custom * handing until DSS has device tree bindings. @@ -492,10 +504,6 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = { &wkup_m3_data), #endif #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) - OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", - &omap4_iommu_pdata), - OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu", - &omap4_iommu_pdata), OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000, "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]), OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000, @@ -510,10 +518,17 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = { &dra7_hsmmc_data_mmc2), OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc", &dra7_hsmmc_data_mmc3), + OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu", + &dra7_ipu1_dsp_iommu_pdata), + OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu", + &dra7_ipu1_dsp_iommu_pdata), + OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu", + &dra7_ipu1_dsp_iommu_pdata), #endif /* Common auxdata */ OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata), OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata), + OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata), { /* sentinel */ }, }; diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c index f11442ed3eff..7461b0346549 100644 --- a/arch/arm/mach-omap2/pm33xx-core.c +++ b/arch/arm/mach-omap2/pm33xx-core.c @@ -28,6 +28,7 @@ #include "prm33xx.h" #include "soc.h" #include "sram.h" +#include "omap-secure.h" static struct powerdomain *cefuse_pwrdm, *gfx_pwrdm, *per_pwrdm, *mpu_pwrdm; static struct clockdomain *gfx_l4ls_clkdm; @@ -166,6 +167,16 @@ static int am43xx_suspend(unsigned int state, int (*fn)(unsigned long), { int ret = 0; + /* Suspend secure side on HS devices */ + if (omap_type() != OMAP2_DEVICE_TYPE_GP) { + if (optee_available) + omap_smccc_smc(AM43xx_PPA_SVC_PM_SUSPEND, 0); + else + omap_secure_dispatcher(AM43xx_PPA_SVC_PM_SUSPEND, + FLAG_START_CRITICAL, + 0, 0, 0, 0, 0); + } + amx3_pre_suspend_common(); scu_power_mode(scu_base, SCU_PM_POWEROFF); ret = cpu_suspend(args, fn); @@ -174,6 +185,19 @@ static int am43xx_suspend(unsigned int state, int (*fn)(unsigned long), if (!am43xx_check_off_mode_enable()) amx3_post_suspend_common(); + /* + * Resume secure side on HS devices. + * + * Note that even on systems with OP-TEE available this resume call is + * issued to the ROM. This is because upon waking from suspend the ROM + * is restored as the secure monitor. On systems with OP-TEE ROM will + * restore OP-TEE during this call. + */ + if (omap_type() != OMAP2_DEVICE_TYPE_GP) + omap_secure_dispatcher(AM43xx_PPA_SVC_PM_RESUME, + FLAG_START_CRITICAL, + 0, 0, 0, 0, 0); + return ret; } diff --git a/arch/arm/mach-omap2/prcm43xx.h b/arch/arm/mach-omap2/prcm43xx.h index e2ad14e77064..7078a61c1d3f 100644 --- a/arch/arm/mach-omap2/prcm43xx.h +++ b/arch/arm/mach-omap2/prcm43xx.h @@ -68,6 +68,7 @@ #define AM43XX_CM_PER_ICSS_CDOFFS 0x0300 #define AM43XX_CM_PER_L4LS_CDOFFS 0x0400 #define AM43XX_CM_PER_EMIF_CDOFFS 0x0700 +#define AM43XX_CM_PER_LCDC_CDOFFS 0x0800 #define AM43XX_CM_PER_DSS_CDOFFS 0x0a00 #define AM43XX_CM_PER_CPSW_CDOFFS 0x0b00 #define AM43XX_CM_PER_OCPWP_L3_CDOFFS 0x0c00 diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 686f0bbde998..c5c06d98b147 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -19,12 +19,12 @@ config PLAT_S3C24XX -menu "SAMSUNG S3C24XX SoCs Support" +menu "Samsung S3C24XX SoCs Support" comment "S3C24XX SoCs" config CPU_S3C2410 - bool "SAMSUNG S3C2410" + bool "Samsung S3C2410" default y select CPU_ARM920T select S3C2410_COMMON_CLK @@ -35,7 +35,7 @@ config CPU_S3C2410 of Samsung Mobile CPUs. config CPU_S3C2412 - bool "SAMSUNG S3C2412" + bool "Samsung S3C2412" select CPU_ARM926T select S3C2412_COMMON_CLK select S3C2412_PM if PM_SLEEP @@ -43,7 +43,7 @@ config CPU_S3C2412 Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line config CPU_S3C2416 - bool "SAMSUNG S3C2416/S3C2450" + bool "Samsung S3C2416/S3C2450" select CPU_ARM926T select S3C2416_PM if PM_SLEEP select S3C2443_COMMON_CLK @@ -51,7 +51,7 @@ config CPU_S3C2416 Support for the S3C2416 SoC from the S3C24XX line config CPU_S3C2440 - bool "SAMSUNG S3C2440" + bool "Samsung S3C2440" select CPU_ARM920T select S3C2410_COMMON_CLK select S3C2410_PM if PM_SLEEP @@ -59,7 +59,7 @@ config CPU_S3C2440 Support for S3C2440 Samsung Mobile CPU based systems. config CPU_S3C2442 - bool "SAMSUNG S3C2442" + bool "Samsung S3C2442" select CPU_ARM920T select S3C2410_COMMON_CLK select S3C2410_PM if PM_SLEEP @@ -71,7 +71,7 @@ config CPU_S3C244X depends on CPU_S3C2440 || CPU_S3C2442 config CPU_S3C2443 - bool "SAMSUNG S3C2443" + bool "Samsung S3C2443" select CPU_ARM920T select S3C2443_COMMON_CLK help @@ -591,6 +591,6 @@ config PM_H1940 help Internal node for H1940 and related PM -endmenu # SAMSUNG S3C24XX SoCs Support +endmenu # Samsung S3C24XX SoCs Support endif # ARCH_S3C24XX diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index 29f9b345a531..03d8f27cdc32 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -377,6 +377,7 @@ static struct pwm_lookup rx1950_pwm_lookup[] = { }; static struct pwm_device *lcd_pwm; +static struct pwm_state lcd_pwm_state; static void rx1950_lcd_power(int enable) { @@ -429,15 +430,16 @@ static void rx1950_lcd_power(int enable) /* GPB1->OUTPUT, GPB1->0 */ gpio_direction_output(S3C2410_GPB(1), 0); - pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD); - pwm_disable(lcd_pwm); + + lcd_pwm_state.enabled = false; + pwm_apply_state(lcd_pwm, &lcd_pwm_state); /* GPC0->0, GPC10->0 */ gpio_direction_output(S3C2410_GPC(0), 0); gpio_direction_output(S3C2410_GPC(10), 0); } else { - pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD); - pwm_enable(lcd_pwm); + lcd_pwm_state.enabled = true; + pwm_apply_state(lcd_pwm, &lcd_pwm_state); gpio_direction_output(S3C2410_GPC(0), 1); gpio_direction_output(S3C2410_GPC(5), 1); @@ -493,10 +495,13 @@ static int rx1950_backlight_init(struct device *dev) } /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. + * This is only required to initialize .polarity; all other values are + * fixed in this driver. */ - pwm_apply_args(lcd_pwm); + pwm_init_state(lcd_pwm, &lcd_pwm_state); + + lcd_pwm_state.period = LCD_PWM_PERIOD; + lcd_pwm_state.duty_cycle = LCD_PWM_DUTY; rx1950_lcd_power(1); rx1950_bl_power(1); diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index 5700822e3c74..ac3e3563487f 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -336,7 +336,6 @@ config MACH_WLF_CRAGG_6410 config MACH_S3C64XX_DT bool "Samsung S3C6400/S3C6410 machine using Device Tree" - select TIMER_OF select CPU_S3C6400 select CPU_S3C6410 select PINCTRL diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S index 3341a12bbb9c..02cc6ff96f30 100644 --- a/arch/arm/mach-tegra/sleep-tegra30.S +++ b/arch/arm/mach-tegra/sleep-tegra30.S @@ -59,6 +59,9 @@ #define CLK_RESET_PLLX_MISC3_IDDQ 3 #define CLK_RESET_PLLM_MISC_IDDQ 5 #define CLK_RESET_PLLC_MISC_IDDQ 26 +#define CLK_RESET_PLLP_RESHIFT 0x528 +#define CLK_RESET_PLLP_RESHIFT_DEFAULT 0x3b +#define CLK_RESET_PLLP_RESHIFT_ENABLE 0x3 #define CLK_RESET_CLK_SOURCE_MSELECT 0x3b4 @@ -370,6 +373,18 @@ _pll_m_c_x_done: pll_locked r1, r0, CLK_RESET_PLLC_BASE pll_locked r1, r0, CLK_RESET_PLLX_BASE + tegra_get_soc_id TEGRA_APB_MISC_BASE, r1 + cmp r1, #TEGRA30 + beq 1f + + ldr r1, [r0, #CLK_RESET_PLLP_BASE] + bic r1, r1, #(1<<31) @ disable PllP bypass + str r1, [r0, #CLK_RESET_PLLP_BASE] + + mov r1, #CLK_RESET_PLLP_RESHIFT_DEFAULT + str r1, [r0, #CLK_RESET_PLLP_RESHIFT] +1: + mov32 r7, TEGRA_TMRUS_BASE ldr r1, [r7] add r1, r1, #LOCK_DELAY @@ -630,9 +645,16 @@ tegra30_switch_cpu_to_clk32k: str r0, [r4, #PMC_PLLP_WB0_OVERRIDE] /* disable PLLP, PLLA, PLLC and PLLX */ + tegra_get_soc_id TEGRA_APB_MISC_BASE, r1 + cmp r1, #TEGRA30 ldr r0, [r5, #CLK_RESET_PLLP_BASE] + orrne r0, r0, #(1 << 31) @ enable PllP bypass on fast cluster bic r0, r0, #(1 << 30) str r0, [r5, #CLK_RESET_PLLP_BASE] + beq 1f + mov r0, #CLK_RESET_PLLP_RESHIFT_ENABLE + str r0, [r5, #CLK_RESET_PLLP_RESHIFT] +1: ldr r0, [r5, #CLK_RESET_PLLA_BASE] bic r0, r0, #(1 << 30) str r0, [r5, #CLK_RESET_PLLA_BASE] @@ -648,8 +670,12 @@ tegra30_switch_cpu_to_clk32k: pll_iddq_entry r1, r5, CLK_RESET_PLLX_MISC3, CLK_RESET_PLLX_MISC3_IDDQ _no_pll_in_iddq: - /* switch to CLKS */ - mov r0, #0 /* brust policy = 32KHz */ + /* + * Switch to clk_s (32KHz); bits 28:31=0 + * Enable burst on CPU IRQ; bit 24=1 + * Set IRQ burst clock source to clk_m; bits 10:8=0 + */ + mov r0, #(1 << 24) str r0, [r5, #CLK_RESET_SCLK_BURST] ret lr diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c index a10085be9073..68ec303fa278 100644 --- a/arch/arm/mach-zynq/platsmp.c +++ b/arch/arm/mach-zynq/platsmp.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/io.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <linux/irqchip/arm-gic.h> #include "common.h" @@ -30,6 +31,7 @@ int zynq_cpun_start(u32 address, int cpu) { u32 trampoline_code_size = &zynq_secondary_trampoline_end - &zynq_secondary_trampoline; + u32 phy_cpuid = cpu_logical_map(cpu); /* MS: Expectation that SLCR are directly map and accessible */ /* Not possible to jump to non aligned address */ @@ -39,7 +41,7 @@ int zynq_cpun_start(u32 address, int cpu) u32 trampoline_size = &zynq_secondary_trampoline_jump - &zynq_secondary_trampoline; - zynq_slcr_cpu_stop(cpu); + zynq_slcr_cpu_stop(phy_cpuid); if (address) { if (__pa(PAGE_OFFSET)) { zero = ioremap(0, trampoline_code_size); @@ -68,7 +70,7 @@ int zynq_cpun_start(u32 address, int cpu) if (__pa(PAGE_OFFSET)) iounmap(zero); } - zynq_slcr_cpu_start(cpu); + zynq_slcr_cpu_start(phy_cpuid); return 0; } diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index ee3d5c989a76..4f7b27239bd4 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -40,7 +40,7 @@ enum s3c_cpu_type { TYPE_ADCV11, /* S3C2443 */ TYPE_ADCV12, /* S3C2416, S3C2450 */ TYPE_ADCV2, /* S3C64XX */ - TYPE_ADCV3, /* S5PV210, S5PC110, EXYNOS4210 */ + TYPE_ADCV3, /* S5PV210, S5PC110, Exynos4210 */ }; struct s3c_adc_client { diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 1602f6dc900b..089a17687104 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -3,7 +3,7 @@ // Copyright (c) 2011 Samsung Electronics Co., Ltd. // http://www.samsung.com // -// Base SAMSUNG platform device definitions +// Base Samsung platform device definitions #include <linux/kernel.h> #include <linux/types.h> diff --git a/arch/arm/plat-samsung/gpio-samsung.c b/arch/arm/plat-samsung/gpio-samsung.c index f66c820cd82b..8955fd675265 100644 --- a/arch/arm/plat-samsung/gpio-samsung.c +++ b/arch/arm/plat-samsung/gpio-samsung.c @@ -8,7 +8,7 @@ // Ben Dooks <ben@simtec.co.uk> // http://armlinux.simtec.co.uk/ // -// SAMSUNG - GPIOlib support +// Samsung - GPIOlib support #include <linux/kernel.h> #include <linux/irq.h> diff --git a/arch/arm/plat-samsung/include/plat/samsung-time.h b/arch/arm/plat-samsung/include/plat/samsung-time.h index d16eefe9ae78..32ab0860f631 100644 --- a/arch/arm/plat-samsung/include/plat/samsung-time.h +++ b/arch/arm/plat-samsung/include/plat/samsung-time.h @@ -9,7 +9,7 @@ #ifndef __ASM_PLAT_SAMSUNG_TIME_H #define __ASM_PLAT_SAMSUNG_TIME_H __FILE__ -/* SAMSUNG HR-Timer Clock mode */ +/* Samsung HR-Timer Clock mode */ enum samsung_timer_mode { SAMSUNG_PWM0, SAMSUNG_PWM1, |