diff options
Diffstat (limited to 'arch/arm')
29 files changed, 220 insertions, 91 deletions
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi index f0052dccf9a8..1e12aeff403b 100644 --- a/arch/arm/boot/dts/bcm2835.dtsi +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -44,6 +44,7 @@ reg = <0x7e201000 0x1000>; interrupts = <2 25>; clock-frequency = <3000000>; + arm,primecell-periphid = <0x00241011>; }; gpio: gpio { diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi index d2550e0bca24..701153992c69 100644 --- a/arch/arm/boot/dts/imx25.dtsi +++ b/arch/arm/boot/dts/imx25.dtsi @@ -141,8 +141,8 @@ #size-cells = <0>; compatible = "fsl,imx25-cspi", "fsl,imx35-cspi"; reg = <0x43fa4000 0x4000>; - clocks = <&clks 62>; - clock-names = "ipg"; + clocks = <&clks 62>, <&clks 62>; + clock-names = "ipg", "per"; interrupts = <14>; status = "disabled"; }; @@ -182,8 +182,8 @@ compatible = "fsl,imx25-cspi", "fsl,imx35-cspi"; reg = <0x50004000 0x4000>; interrupts = <0>; - clocks = <&clks 80>; - clock-names = "ipg"; + clocks = <&clks 80>, <&clks 80>; + clock-names = "ipg", "per"; status = "disabled"; }; @@ -210,8 +210,8 @@ #size-cells = <0>; compatible = "fsl,imx25-cspi", "fsl,imx35-cspi"; reg = <0x50010000 0x4000>; - clocks = <&clks 79>; - clock-names = "ipg"; + clocks = <&clks 79>, <&clks 79>; + clock-names = "ipg", "per"; interrupts = <13>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index ff4bd4873edf..75bd11386516 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -131,7 +131,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x1000e000 0x1000>; interrupts = <16>; - clocks = <&clks 53>, <&clks 0>; + clocks = <&clks 53>, <&clks 53>; clock-names = "ipg", "per"; status = "disabled"; }; @@ -142,7 +142,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x1000f000 0x1000>; interrupts = <15>; - clocks = <&clks 52>, <&clks 0>; + clocks = <&clks 52>, <&clks 52>; clock-names = "ipg", "per"; status = "disabled"; }; @@ -223,7 +223,7 @@ compatible = "fsl,imx27-cspi"; reg = <0x10017000 0x1000>; interrupts = <6>; - clocks = <&clks 51>, <&clks 0>; + clocks = <&clks 51>, <&clks 51>; clock-names = "ipg", "per"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi index 21bb786c5b31..53fdde69bbf4 100644 --- a/arch/arm/boot/dts/imx51.dtsi +++ b/arch/arm/boot/dts/imx51.dtsi @@ -631,7 +631,7 @@ compatible = "fsl,imx51-cspi", "fsl,imx35-cspi"; reg = <0x83fc0000 0x4000>; interrupts = <38>; - clocks = <&clks 55>, <&clks 0>; + clocks = <&clks 55>, <&clks 55>; clock-names = "ipg", "per"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 845982eaac22..eb83aa039b8b 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -714,7 +714,7 @@ compatible = "fsl,imx53-cspi", "fsl,imx35-cspi"; reg = <0x63fc0000 0x4000>; interrupts = <38>; - clocks = <&clks 55>, <&clks 0>; + clocks = <&clks 55>, <&clks 55>; clock-names = "ipg", "per"; status = "disabled"; }; diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 99a19512ee26..bdf2b8458ec1 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -33,18 +33,6 @@ #include <asm/pgalloc.h> #include <asm/tlbflush.h> -/* - * We need to delay page freeing for SMP as other CPUs can access pages - * which have been removed but not yet had their TLB entries invalidated. - * Also, as ARMv7 speculative prefetch can drag new entries into the TLB, - * we need to apply this same delaying tactic to ensure correct operation. - */ -#if defined(CONFIG_SMP) || defined(CONFIG_CPU_32v7) -#define tlb_fast_mode(tlb) 0 -#else -#define tlb_fast_mode(tlb) 1 -#endif - #define MMU_GATHER_BUNDLE 8 /* @@ -112,12 +100,10 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb) static inline void tlb_flush_mmu(struct mmu_gather *tlb) { tlb_flush(tlb); - if (!tlb_fast_mode(tlb)) { - free_pages_and_swap_cache(tlb->pages, tlb->nr); - tlb->nr = 0; - if (tlb->pages == tlb->local) - __tlb_alloc_page(tlb); - } + free_pages_and_swap_cache(tlb->pages, tlb->nr); + tlb->nr = 0; + if (tlb->pages == tlb->local) + __tlb_alloc_page(tlb); } static inline void @@ -178,11 +164,6 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) { - if (tlb_fast_mode(tlb)) { - free_page_and_swap_cache(page); - return 1; /* avoid calling tlb_flush_mmu */ - } - tlb->pages[tlb->nr++] = page; VM_BUG_ON(tlb->nr > tlb->max); return tlb->max - tlb->nr; diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 37d216d814cd..ef1703b9587b 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -492,6 +492,11 @@ static void vcpu_pause(struct kvm_vcpu *vcpu) wait_event_interruptible(*wq, !vcpu->arch.pause); } +static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu) +{ + return vcpu->arch.target >= 0; +} + /** * kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code * @vcpu: The VCPU pointer @@ -508,8 +513,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) int ret; sigset_t sigsaved; - /* Make sure they initialize the vcpu with KVM_ARM_VCPU_INIT */ - if (unlikely(vcpu->arch.target < 0)) + if (unlikely(!kvm_vcpu_initialized(vcpu))) return -ENOEXEC; ret = kvm_vcpu_first_run_init(vcpu); @@ -710,6 +714,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp, case KVM_SET_ONE_REG: case KVM_GET_ONE_REG: { struct kvm_one_reg reg; + + if (unlikely(!kvm_vcpu_initialized(vcpu))) + return -ENOEXEC; + if (copy_from_user(®, argp, sizeof(reg))) return -EFAULT; if (ioctl == KVM_SET_ONE_REG) @@ -722,6 +730,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp, struct kvm_reg_list reg_list; unsigned n; + if (unlikely(!kvm_vcpu_initialized(vcpu))) + return -ENOEXEC; + if (copy_from_user(®_list, user_list, sizeof(reg_list))) return -EFAULT; n = reg_list.n; diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 965706578f13..84ba67b982c0 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -43,7 +43,14 @@ static phys_addr_t hyp_idmap_vector; static void kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa) { - kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, kvm, ipa); + /* + * This function also gets called when dealing with HYP page + * tables. As HYP doesn't have an associated struct kvm (and + * the HYP page tables are fairly static), we don't do + * anything there. + */ + if (kvm) + kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, kvm, ipa); } static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache, @@ -78,18 +85,20 @@ static void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc) return p; } -static void clear_pud_entry(pud_t *pud) +static void clear_pud_entry(struct kvm *kvm, pud_t *pud, phys_addr_t addr) { pmd_t *pmd_table = pmd_offset(pud, 0); pud_clear(pud); + kvm_tlb_flush_vmid_ipa(kvm, addr); pmd_free(NULL, pmd_table); put_page(virt_to_page(pud)); } -static void clear_pmd_entry(pmd_t *pmd) +static void clear_pmd_entry(struct kvm *kvm, pmd_t *pmd, phys_addr_t addr) { pte_t *pte_table = pte_offset_kernel(pmd, 0); pmd_clear(pmd); + kvm_tlb_flush_vmid_ipa(kvm, addr); pte_free_kernel(NULL, pte_table); put_page(virt_to_page(pmd)); } @@ -100,11 +109,12 @@ static bool pmd_empty(pmd_t *pmd) return page_count(pmd_page) == 1; } -static void clear_pte_entry(pte_t *pte) +static void clear_pte_entry(struct kvm *kvm, pte_t *pte, phys_addr_t addr) { if (pte_present(*pte)) { kvm_set_pte(pte, __pte(0)); put_page(virt_to_page(pte)); + kvm_tlb_flush_vmid_ipa(kvm, addr); } } @@ -114,7 +124,8 @@ static bool pte_empty(pte_t *pte) return page_count(pte_page) == 1; } -static void unmap_range(pgd_t *pgdp, unsigned long long start, u64 size) +static void unmap_range(struct kvm *kvm, pgd_t *pgdp, + unsigned long long start, u64 size) { pgd_t *pgd; pud_t *pud; @@ -138,15 +149,15 @@ static void unmap_range(pgd_t *pgdp, unsigned long long start, u64 size) } pte = pte_offset_kernel(pmd, addr); - clear_pte_entry(pte); + clear_pte_entry(kvm, pte, addr); range = PAGE_SIZE; /* If we emptied the pte, walk back up the ladder */ if (pte_empty(pte)) { - clear_pmd_entry(pmd); + clear_pmd_entry(kvm, pmd, addr); range = PMD_SIZE; if (pmd_empty(pmd)) { - clear_pud_entry(pud); + clear_pud_entry(kvm, pud, addr); range = PUD_SIZE; } } @@ -165,14 +176,14 @@ void free_boot_hyp_pgd(void) mutex_lock(&kvm_hyp_pgd_mutex); if (boot_hyp_pgd) { - unmap_range(boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE); - unmap_range(boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE); + unmap_range(NULL, boot_hyp_pgd, hyp_idmap_start, PAGE_SIZE); + unmap_range(NULL, boot_hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE); kfree(boot_hyp_pgd); boot_hyp_pgd = NULL; } if (hyp_pgd) - unmap_range(hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE); + unmap_range(NULL, hyp_pgd, TRAMPOLINE_VA, PAGE_SIZE); kfree(init_bounce_page); init_bounce_page = NULL; @@ -200,9 +211,10 @@ void free_hyp_pgds(void) if (hyp_pgd) { for (addr = PAGE_OFFSET; virt_addr_valid(addr); addr += PGDIR_SIZE) - unmap_range(hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE); + unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE); for (addr = VMALLOC_START; is_vmalloc_addr((void*)addr); addr += PGDIR_SIZE) - unmap_range(hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE); + unmap_range(NULL, hyp_pgd, KERN_TO_HYP(addr), PGDIR_SIZE); + kfree(hyp_pgd); hyp_pgd = NULL; } @@ -393,7 +405,7 @@ int kvm_alloc_stage2_pgd(struct kvm *kvm) */ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) { - unmap_range(kvm->arch.pgd, start, size); + unmap_range(kvm, kvm->arch.pgd, start, size); } /** @@ -675,7 +687,6 @@ static void handle_hva_to_gpa(struct kvm *kvm, static void kvm_unmap_hva_handler(struct kvm *kvm, gpa_t gpa, void *data) { unmap_stage2_range(kvm, gpa, PAGE_SIZE); - kvm_tlb_flush_vmid_ipa(kvm, gpa); } int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 027c9e7f0d13..f7e504b7874d 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -386,6 +386,8 @@ int __init exynos_fdt_map_chipid(unsigned long node, const char *uname, void __init exynos_init_io(struct map_desc *mach_desc, int size) { + debug_ll_io_init(); + #ifdef CONFIG_OF if (initial_boot_params) of_scan_flat_dt(exynos_fdt_map_chipid, NULL); diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index dda9a2bd3acb..4e3148ce852d 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -181,14 +181,14 @@ static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", }; static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; -static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", }; +static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", }; static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", }; static const char *gpu_axi_sels[] = { "axi", "ahb", }; static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", }; static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", }; static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", }; static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; -static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", }; +static const char *ldb_di_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", }; static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S index 53e8391192cd..5476669ba905 100644 --- a/arch/arm/mach-mvebu/coherency_ll.S +++ b/arch/arm/mach-mvebu/coherency_ll.S @@ -32,15 +32,21 @@ ENTRY(ll_set_cpu_coherent) /* Add CPU to SMP group - Atomic */ add r3, r0, #ARMADA_XP_CFB_CTL_REG_OFFSET - ldr r2, [r3] +1: + ldrex r2, [r3] orr r2, r2, r1 - str r2, [r3] + strex r0, r2, [r3] + cmp r0, #0 + bne 1b /* Enable coherency on CPU - Atomic */ - add r3, r0, #ARMADA_XP_CFB_CFG_REG_OFFSET - ldr r2, [r3] + add r3, r3, #ARMADA_XP_CFB_CFG_REG_OFFSET +1: + ldrex r2, [r3] orr r2, r2, r1 - str r2, [r3] + strex r0, r2, [r3] + cmp r0, #0 + bne 1b dsb diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index f49cd51e162a..1bfe9ee0331b 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -149,6 +149,14 @@ config SOC_AM33XX select MULTI_IRQ_HANDLER select COMMON_CLK +config SOC_AM43XX + bool "TI AM43x" + select CPU_V7 + select MULTI_IRQ_HANDLER + select ARM_GIC + select COMMON_CLK + select MACH_OMAP_GENERIC + config OMAP_PACKAGE_ZAF bool diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 55a9d6777683..955b64323a0b 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common) obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common) obj-$(CONFIG_SOC_OMAP5) += prm44xx.o $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_AM43XX) += $(hwmod-common) $(secure-common) ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) obj-y += mcbsp.o @@ -38,6 +39,7 @@ omap-4-5-common = omap4-common.o omap-wakeupgen.o \ sleep44xx.o obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common) $(smp-y) obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common) $(smp-y) +obj-$(CONFIG_SOC_AM43XX) += $(omap-4-5-common) plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec) @@ -58,6 +60,8 @@ obj-$(CONFIG_SOC_OMAP2420) += omap2-restart.o obj-$(CONFIG_SOC_OMAP2430) += omap2-restart.o obj-$(CONFIG_SOC_AM33XX) += am33xx-restart.o obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o +obj-$(CONFIG_ARCH_OMAP4) += omap4-restart.o +obj-$(CONFIG_SOC_OMAP5) += omap4-restart.o # Pin multiplexing obj-$(CONFIG_SOC_OMAP2420) += mux2420.o @@ -110,6 +114,7 @@ obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o +obj-$(CONFIG_SOC_AM43XX) += prm33xx.o cm33xx.o omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \ prcm_mpu44xx.o prminst44xx.o \ vc44xx_data.o vp44xx_data.o @@ -126,6 +131,7 @@ obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o obj-$(CONFIG_SOC_AM33XX) += $(voltagedomain-common) obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o +obj-$(CONFIG_SOC_AM43XX) += $(voltagedomain-common) obj-$(CONFIG_SOC_OMAP5) += $(voltagedomain-common) # OMAP powerdomain framework @@ -140,6 +146,7 @@ obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o obj-$(CONFIG_SOC_AM33XX) += $(powerdomain-common) obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o +obj-$(CONFIG_SOC_AM43XX) += $(powerdomain-common) obj-$(CONFIG_SOC_OMAP5) += $(powerdomain-common) # PRCM clockdomain control @@ -155,6 +162,7 @@ obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common) obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o obj-$(CONFIG_SOC_AM33XX) += $(clockdomain-common) obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o +obj-$(CONFIG_SOC_AM43XX) += $(clockdomain-common) obj-$(CONFIG_SOC_OMAP5) += $(clockdomain-common) # Clock framework diff --git a/arch/arm/mach-omap2/am33xx.h b/arch/arm/mach-omap2/am33xx.h index 43296c1af9ee..5eef093e6738 100644 --- a/arch/arm/mach-omap2/am33xx.h +++ b/arch/arm/mach-omap2/am33xx.h @@ -21,6 +21,7 @@ #define AM33XX_SCM_BASE 0x44E10000 #define AM33XX_CTRL_BASE AM33XX_SCM_BASE #define AM33XX_PRCM_BASE 0x44E00000 +#define AM43XX_PRCM_BASE 0x44DF0000 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + 0x3FC) #endif /* __ASM_ARCH_AM33XX_H */ diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index af3544ce4f02..0346de56436c 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -862,6 +862,33 @@ static struct clk_hw_omap wdt1_fck_hw = { DEFINE_STRUCT_CLK(wdt1_fck, wdt_ck_parents, gpio_fck_ops); +static const char *pwmss_clk_parents[] = { + "dpll_per_m2_ck", +}; + +static const struct clk_ops ehrpwm_tbclk_ops = { + .enable = &omap2_dflt_clk_enable, + .disable = &omap2_dflt_clk_disable, +}; + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm0_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS0_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm1_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS1_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + +DEFINE_CLK_OMAP_MUX_GATE(ehrpwm2_tbclk, "l4ls_clkdm", + NULL, NULL, 0, + AM33XX_CTRL_REGADDR(AM33XX_PWMSS_TBCLK_CLKCTRL), + AM33XX_PWMSS2_TBCLKEN_SHIFT, + NULL, pwmss_clk_parents, ehrpwm_tbclk_ops); + /* * clkdev */ @@ -942,6 +969,9 @@ static struct omap_clk am33xx_clks[] = { CLK(NULL, "clkout2_div_ck", &clkout2_div_ck), CLK(NULL, "timer_32k_ck", &clkdiv32k_ick), CLK(NULL, "timer_sys_ck", &sys_clkin_ck), + CLK("48300200.ehrpwm", "tbclk", &ehrpwm0_tbclk), + CLK("48302200.ehrpwm", "tbclk", &ehrpwm1_tbclk), + CLK("48304200.ehrpwm", "tbclk", &ehrpwm2_tbclk), }; diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c index 45cd26430d1f..334b76745900 100644 --- a/arch/arm/mach-omap2/cclock3xxx_data.c +++ b/arch/arm/mach-omap2/cclock3xxx_data.c @@ -3329,11 +3329,7 @@ static struct omap_clk omap36xx_am35xx_omap3430es2plus_clks[] = { CLK(NULL, "cpefuse_fck", &cpefuse_fck), CLK(NULL, "ts_fck", &ts_fck), CLK(NULL, "usbtll_fck", &usbtll_fck), - CLK("usbhs_omap", "usbtll_fck", &usbtll_fck), - CLK("usbhs_tll", "usbtll_fck", &usbtll_fck), CLK(NULL, "usbtll_ick", &usbtll_ick), - CLK("usbhs_omap", "usbtll_ick", &usbtll_ick), - CLK("usbhs_tll", "usbtll_ick", &usbtll_ick), CLK("omap_hsmmc.2", "ick", &mmchs3_ick), CLK(NULL, "mmchs3_ick", &mmchs3_ick), CLK(NULL, "mmchs3_fck", &mmchs3_fck), @@ -3343,7 +3339,6 @@ static struct omap_clk omap36xx_am35xx_omap3430es2plus_clks[] = { CLK(NULL, "usbhost_120m_fck", &usbhost_120m_fck), CLK(NULL, "usbhost_48m_fck", &usbhost_48m_fck), CLK(NULL, "usbhost_ick", &usbhost_ick), - CLK("usbhs_omap", "usbhost_ick", &usbhost_ick), }; /* @@ -3463,12 +3458,6 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "utmi_p2_gfclk", &dummy_ck), CLK(NULL, "xclk60mhsp1_ck", &dummy_ck), CLK(NULL, "xclk60mhsp2_ck", &dummy_ck), - CLK(NULL, "usb_host_hs_utmi_p1_clk", &dummy_ck), - CLK(NULL, "usb_host_hs_utmi_p2_clk", &dummy_ck), - CLK("usbhs_omap", "usb_tll_hs_usb_ch0_clk", &dummy_ck), - CLK("usbhs_omap", "usb_tll_hs_usb_ch1_clk", &dummy_ck), - CLK("usbhs_tll", "usb_tll_hs_usb_ch0_clk", &dummy_ck), - CLK("usbhs_tll", "usb_tll_hs_usb_ch1_clk", &dummy_ck), CLK(NULL, "init_60m_fclk", &dummy_ck), CLK(NULL, "gpt1_fck", &gpt1_fck), CLK(NULL, "aes2_ick", &aes2_ick), diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h index 64f4bafe7bd9..9d1f4fcdebbb 100644 --- a/arch/arm/mach-omap2/cm33xx.h +++ b/arch/arm/mach-omap2/cm33xx.h @@ -383,7 +383,7 @@ extern void am33xx_cm_clkdm_disable_hwsup(s16 inst, u16 cdoffs); extern void am33xx_cm_clkdm_force_sleep(s16 inst, u16 cdoffs); extern void am33xx_cm_clkdm_force_wakeup(s16 inst, u16 cdoffs); -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) extern int am33xx_cm_wait_module_idle(u16 inst, s16 cdoffs, u16 clkctrl_offs); extern void am33xx_cm_module_enable(u8 mode, u16 inst, s16 cdoffs, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 7d95bb053b93..72cab3f4f16d 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -96,6 +96,7 @@ void am33xx_init_early(void); void am35xx_init_early(void); void ti81xx_init_early(void); void am33xx_init_early(void); +void am43xx_init_early(void); void omap4430_init_early(void); void omap5_init_early(void); void omap3_init_late(void); /* Do not use this one */ diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index e6c328128a0a..35d17a6ec06b 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -358,6 +358,14 @@ #define AM33XX_CONTROL_STATUS_SYSBOOT1_WIDTH 0x2 #define AM33XX_CONTROL_STATUS_SYSBOOT1_MASK (0x3 << 22) +/* AM33XX PWMSS Control register */ +#define AM33XX_PWMSS_TBCLK_CLKCTRL 0x664 + +/* AM33XX PWMSS Control bitfields */ +#define AM33XX_PWMSS0_TBCLKEN_SHIFT 0 +#define AM33XX_PWMSS1_TBCLKEN_SHIFT 1 +#define AM33XX_PWMSS2_TBCLKEN_SHIFT 2 + /* CONTROL OMAP STATUS register to identify OMAP3 features */ #define OMAP3_CONTROL_OMAP_STATUS 0x044c diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 1272c41d4749..74f71abcd50e 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -55,7 +55,7 @@ int omap_type(void) if (cpu_is_omap24xx()) { val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS); - } else if (soc_is_am33xx()) { + } else if (soc_is_am33xx() || soc_is_am43xx()) { val = omap_ctrl_readl(AM33XX_CONTROL_STATUS); } else if (cpu_is_omap34xx()) { val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS); @@ -209,6 +209,8 @@ static void __init omap3_cpuinfo(void) cpu_name = "TI816X"; } else if (soc_is_am335x()) { cpu_name = "AM335X"; + } else if (soc_is_am437x()) { + cpu_name = "AM437x"; } else if (cpu_is_ti814x()) { cpu_name = "TI814X"; } else if (omap3_has_iva() && omap3_has_sgx()) { @@ -430,6 +432,10 @@ void __init omap3xxx_check_revision(void) break; } break; + case 0xb98c: + omap_revision = AM437X_REV_ES1_0; + cpu_rev = "1.0"; + break; case 0xb8f2: switch (rev) { case 0: diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 09abf99e9e57..f96215075b92 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -202,7 +202,7 @@ static struct map_desc omapti81xx_io_desc[] __initdata = { }; #endif -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static struct map_desc omapam33xx_io_desc[] __initdata = { { .virtual = L4_34XX_VIRT, @@ -318,7 +318,7 @@ void __init ti81xx_map_io(void) } #endif -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) void __init am33xx_map_io(void) { iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc)); @@ -586,6 +586,19 @@ void __init am33xx_init_early(void) } #endif +#ifdef CONFIG_SOC_AM43XX +void __init am43xx_init_early(void) +{ + omap2_set_globals_tap(AM335X_CLASS, + AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE)); + omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE), + NULL); + omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE)); + omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM43XX_PRCM_BASE), NULL); + omap3xxx_check_revision(); +} +#endif + #ifdef CONFIG_ARCH_OMAP4 void __init omap4430_init_early(void) { diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 13b27ffaf45e..38cd3a69cff3 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -339,19 +339,3 @@ int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) return 0; } #endif - -/** - * omap44xx_restart - trigger a software restart of the SoC - * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c - * @cmd: passed from the userspace program rebooting the system (if provided) - * - * Resets the SoC. For @cmd, see the 'reboot' syscall in - * kernel/sys.c. No return value. - */ -void omap44xx_restart(char mode, const char *cmd) -{ - /* XXX Should save 'cmd' into scratchpad for use after reboot */ - omap4_prminst_global_warm_sw_reset(); /* never returns */ - while (1); -} - diff --git a/arch/arm/mach-omap2/omap4-restart.c b/arch/arm/mach-omap2/omap4-restart.c new file mode 100644 index 000000000000..f90e02e11898 --- /dev/null +++ b/arch/arm/mach-omap2/omap4-restart.c @@ -0,0 +1,27 @@ +/* + * omap4-restart.c - Common to OMAP4 and OMAP5 + * + * + * 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/types.h> +#include "prminst44xx.h" + +/** + * omap44xx_restart - trigger a software restart of the SoC + * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c + * @cmd: passed from the userspace program rebooting the system (if provided) + * + * Resets the SoC. For @cmd, see the 'reboot' syscall in + * kernel/sys.c. No return value. + */ +void omap44xx_restart(char mode, const char *cmd) +{ + /* XXX Should save 'cmd' into scratchpad for use after reboot */ + omap4_prminst_global_warm_sw_reset(); /* never returns */ + while (1) + ; +} diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 075f7cc51026..1e2a6fb835c2 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -329,7 +329,7 @@ static struct omap_hwmod_class am33xx_gfx_hwmod_class = { }; static struct omap_hwmod_rst_info am33xx_gfx_resets[] = { - { .name = "gfx", .rst_shift = 0 }, + { .name = "gfx", .rst_shift = 0, .st_shift = 0}, }; static struct omap_hwmod_irq_info am33xx_gfx_irqs[] = { @@ -347,6 +347,7 @@ static struct omap_hwmod am33xx_gfx_hwmod = { .omap4 = { .clkctrl_offs = AM33XX_CM_GFX_GFX_CLKCTRL_OFFSET, .rstctrl_offs = AM33XX_RM_GFX_RSTCTRL_OFFSET, + .rstst_offs = AM33XX_RM_GFX_RSTST_OFFSET, .modulemode = MODULEMODE_SWCTRL, }, }, diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index 197cc16870d9..3cefc492b758 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -96,6 +96,15 @@ # endif #endif +#ifdef CONFIG_SOC_AM43XX +# ifdef OMAP_NAME +# undef MULTI_OMAP2 +# define MULTI_OMAP2 +# else +# define OMAP_NAME am43xx +# endif +#endif + /* * Omap device type i.e. EMU/HS/TST/GP/BAD */ @@ -187,6 +196,7 @@ IS_OMAP_CLASS(44xx, 0x44) IS_AM_CLASS(35xx, 0x35) IS_OMAP_CLASS(54xx, 0x54) IS_AM_CLASS(33xx, 0x33) +IS_AM_CLASS(43xx, 0x43) IS_TI_CLASS(81xx, 0x81) @@ -202,6 +212,7 @@ IS_OMAP_SUBCLASS(543x, 0x543) IS_TI_SUBCLASS(816x, 0x816) IS_TI_SUBCLASS(814x, 0x814) IS_AM_SUBCLASS(335x, 0x335) +IS_AM_SUBCLASS(437x, 0x437) #define cpu_is_omap24xx() 0 #define cpu_is_omap242x() 0 @@ -214,6 +225,8 @@ IS_AM_SUBCLASS(335x, 0x335) #define soc_is_am35xx() 0 #define soc_is_am33xx() 0 #define soc_is_am335x() 0 +#define soc_is_am43xx() 0 +#define soc_is_am437x() 0 #define cpu_is_omap44xx() 0 #define cpu_is_omap443x() 0 #define cpu_is_omap446x() 0 @@ -341,6 +354,13 @@ IS_OMAP_TYPE(3430, 0x3430) # define soc_is_am335x() is_am335x() #endif +#ifdef CONFIG_SOC_AM43XX +# undef soc_is_am43xx +# undef soc_is_am437x +# define soc_is_am43xx() is_am43xx() +# define soc_is_am437x() is_am437x() +#endif + # if defined(CONFIG_ARCH_OMAP4) # undef cpu_is_omap44xx # undef cpu_is_omap443x @@ -398,6 +418,9 @@ IS_OMAP_TYPE(3430, 0x3430) #define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8)) #define AM335X_REV_ES2_1 (AM335X_CLASS | (0x2 << 8)) +#define AM437X_CLASS 0x43700000 +#define AM437X_REV_ES1_0 AM437X_CLASS + #define OMAP443X_CLASS 0x44300044 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index 0ff0f068bea8..4bd096836235 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -119,6 +119,9 @@ static void __init omap_detect_sram(void) if (soc_is_am33xx()) { omap_sram_start = AM33XX_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ + } else if (soc_is_am43xx()) { + omap_sram_start = AM33XX_SRAM_PA; + omap_sram_size = SZ_256K; } else if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ diff --git a/arch/arm/mach-ux500/board-mop500-regulators.c b/arch/arm/mach-ux500/board-mop500-regulators.c index 33c353bc1c4a..d6b7c8556fa1 100644 --- a/arch/arm/mach-ux500/board-mop500-regulators.c +++ b/arch/arm/mach-ux500/board-mop500-regulators.c @@ -374,6 +374,7 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = { static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = { /* supplies to the display/camera */ [AB8500_LDO_AUX1] = { + .supply_regulator = "ab8500-ext-supply3", .constraints = { .name = "V-DISPLAY", .min_uV = 2800000, @@ -387,6 +388,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = { }, /* supplies to the on-board eMMC */ [AB8500_LDO_AUX2] = { + .supply_regulator = "ab8500-ext-supply3", .constraints = { .name = "V-eMMC1", .min_uV = 1100000, @@ -402,6 +404,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = { }, /* supply for VAUX3, supplies to SDcard slots */ [AB8500_LDO_AUX3] = { + .supply_regulator = "ab8500-ext-supply3", .constraints = { .name = "V-MMC-SD", .min_uV = 1100000, diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c index 317a2be129fb..a45dd09daed9 100644 --- a/arch/arm/mach-ux500/cpuidle.c +++ b/arch/arm/mach-ux500/cpuidle.c @@ -21,6 +21,7 @@ #include <asm/proc-fns.h> #include "db8500-regs.h" +#include "id.h" static atomic_t master = ATOMIC_INIT(0); static DEFINE_SPINLOCK(master_lock); @@ -114,6 +115,9 @@ static struct cpuidle_driver ux500_idle_driver = { int __init ux500_idle_init(void) { + if (!(cpu_is_u8500_family() || cpu_is_ux540_family())) + return -ENODEV; + /* Configure wake up reasons */ prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) | PRCMU_WAKEUP(ABB)); diff --git a/arch/arm/plat-samsung/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h index 438b24846e7f..02b66d723d1a 100644 --- a/arch/arm/plat-samsung/include/plat/uncompress.h +++ b/arch/arm/plat-samsung/include/plat/uncompress.h @@ -66,6 +66,9 @@ uart_rd(unsigned int reg) static void putc(int ch) { + if (!config_enabled(CONFIG_DEBUG_LL)) + return; + if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) { int level; @@ -118,7 +121,12 @@ static void arch_decomp_error(const char *x) #ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO static inline void arch_enable_uart_fifo(void) { - u32 fifocon = uart_rd(S3C2410_UFCON); + u32 fifocon; + + if (!config_enabled(CONFIG_DEBUG_LL)) + return; + + fifocon = uart_rd(S3C2410_UFCON); if (!(fifocon & S3C2410_UFCON_FIFOMODE)) { fifocon |= S3C2410_UFCON_RESETBOTH; |