diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-09 00:55:25 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-09 00:55:25 +0300 |
commit | 469030d454bd1620c7b2651d9ec8cdcbaa74deb9 (patch) | |
tree | 829522e0cb947c63cf63efafc241c8253eed728a /arch/arm/mach-omap2 | |
parent | b85080c106b1290eaebf100ee97babef833047d8 (diff) | |
parent | d8430df172118336d050aa61999fb82e55102641 (diff) | |
download | linux-469030d454bd1620c7b2651d9ec8cdcbaa74deb9.tar.xz |
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/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/Makefile | 6 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clockdomains43xx_data.c | 10 | ||||
-rw-r--r-- | arch/arm/mach-omap2/common.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/io.c | 11 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-iommu.c | 128 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-secure.c | 50 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-secure.h | 10 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-smc.S | 6 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pdata-quirks.c | 43 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm33xx-core.c | 24 | ||||
-rw-r--r-- | arch/arm/mach-omap2/prcm43xx.h | 1 |
11 files changed, 255 insertions, 36 deletions
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 |