void __init ux500_timer_init(void) { void __iomem *mtu_timer_base; void __iomem *prcmu_timer_base; void __iomem *tmp_base; struct device_node *np; if (cpu_is_u8500_family() || cpu_is_ux540_family()) { mtu_timer_base = __io_address(U8500_MTU0_BASE); prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE); } else { ux500_unknown_soc(); } /* TODO: Once MTU has been DT:ed place code above into else. */ if (of_have_populated_dt()) { #ifdef CONFIG_OF np = of_find_matching_node(NULL, prcmu_timer_of_match); if (!np) #endif goto dt_fail; tmp_base = of_iomap(np, 0); if (!tmp_base) goto dt_fail; prcmu_timer_base = tmp_base; } dt_fail: /* Doing it the old fashioned way. */ /* * Here we register the timerblocks active in the system. * Localtimers (twd) is started when both cpu is up and running. * MTU register a clocksource, clockevent and sched_clock. * Since the MTU is located in the VAPE power domain * it will be cleared in sleep which makes it unsuitable. * We however need it as a timer tick (clockevent) * during boot to calibrate delay until twd is started. * RTC-RTT have problems as timer tick during boot since it is * depending on delay which is not yet calibrated. RTC-RTT is in the * always-on powerdomain and is used as clockevent instead of twd when * sleeping. * The PRCMU timer 4 register a clocksource and * sched_clock with higher rating then MTU since is always-on. * */ nmdk_timer_init(mtu_timer_base, IRQ_MTU0); clksrc_dbx500_prcmu_init(prcmu_timer_base); ux500_twd_init(); }
static int __init ux500_l2x0_init(void) { /* Multiplatform guard */ if (!((cpu_is_u8500_family() || cpu_is_ux540_family()))) return -ENODEV; /* Unlock before init */ ux500_l2x0_unlock(); outer_cache.write_sec = ux500_l2c310_write_sec; l2x0_of_init(0, ~0); return 0; }
static int __init ux500_l2x0_init(void) { u32 aux_val = 0x3e000000; if (cpu_is_u8500_family() || cpu_is_ux540_family()) l2x0_base = __io_address(U8500_L2CC_BASE); else ux500_unknown_soc(); /* Unlock before init */ ux500_l2x0_unlock(); /* DBx540's L2 has 128KB way size */ if (cpu_is_ux540_family()) /* 128KB way size */ aux_val |= (0x4 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); else /* 64KB way size */ aux_val |= (0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT); /* 64KB way size, 8 way associativity, force WA */ if (of_have_populated_dt()) l2x0_of_init(aux_val, 0xc0000fff); else l2x0_init(l2x0_base, aux_val, 0xc0000fff); /* * We can't disable l2 as we are in non secure mode, currently * this seems be called only during kexec path. So let's * override outer.disable with nasty assignment until we have * some SMI service available. */ outer_cache.disable = NULL; return 0; }
void __init u8500_map_io(void) { /* * Map the UARTs early so that the DEBUG_LL stuff continues to work. */ iotable_init(u8500_uart_io_desc, ARRAY_SIZE(u8500_uart_io_desc)); ux500_map_io(); iotable_init(u8500_common_io_desc, ARRAY_SIZE(u8500_common_io_desc)); if (cpu_is_ux540_family()) iotable_init(u9540_io_desc, ARRAY_SIZE(u9540_io_desc)); else iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); }
static int __init ux500_rtcrtt_init(void) { if (cpu_is_u8500_family() || cpu_is_ux540_family()) { rtc_base = __io_address(U8500_RTC_BASE); } else { pr_err("timer-rtt: Unknown DB Asic!\n"); return -EINVAL; } if (request_irq(IRQ_DB8500_RTC, rtcrtt_interrupt, IRQF_SHARED | IRQF_NO_SUSPEND, "rtc-pl031-timer", rtc_base)) { pr_err("rtc-rtt: failed to register irq\n"); } ux500_rtcrtt_measure_latency(false); return 0; }
void ux500_add_usb(struct device *parent, resource_size_t base, int irq, int *dma_rx_cfg, int *dma_tx_cfg) { ux500_musb_device.resource[0].start = base; ux500_musb_device.resource[0].end = base + SZ_64K - 1; ux500_musb_device.resource[1].start = irq; ux500_musb_device.resource[1].end = irq; ux500_usb_dma_update_rx_ch_config(dma_rx_cfg); ux500_usb_dma_update_tx_ch_config(dma_tx_cfg); ux500_musb_device.dev.parent = parent; if (cpu_is_ux540_family()) musb_board_data.powersave_quirks = true; platform_device_register(&ux500_musb_device); }
/* * FIXME: Should we set up the GPIO domain here? * * The problem is that we cannot put the interrupt resources into the platform * device until the irqdomain has been added. Right now, we set the GIC interrupt * domain from init_irq(), then load the gpio driver from * core_initcall(nmk_gpio_init) and add the platform devices from * arch_initcall(customize_machine). * * This feels fragile because it depends on the gpio device getting probed * _before_ any device uses the gpio interrupts. */ void __init ux500_init_irq(void) { void __iomem *dist_base; void __iomem *cpu_base; gic_arch_extn.flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND; if (cpu_is_u8500_family() || cpu_is_ux540_family()) { dist_base = __io_address(U8500_GIC_DIST_BASE); cpu_base = __io_address(U8500_GIC_CPU_BASE); } else ux500_unknown_soc(); #ifdef CONFIG_OF if (of_have_populated_dt()) irqchip_init(); else #endif gic_init(0, 29, dist_base, cpu_base); /* * Init clocks here so that they are available for system timer * initialization. */ if (cpu_is_u8500_family()) { prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, U8500_CLKRST6_BASE); } else if (cpu_is_u9540()) { prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1); ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1); u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE, U8500_CLKRST3_BASE, U8500_CLKRST5_BASE, U8500_CLKRST6_BASE); } else if (cpu_is_u8540()) { prcmu_early_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); ux500_pm_init(U8500_PRCMU_BASE, SZ_8K + SZ_4K - 1); u8540_clk_init(); } }
static int __init product_detect(void) { int err; int origin_err; struct tee_operation operation = {0}; struct tee_context context; struct tee_session session; /* Selects trustzone application needed for the job. */ struct tee_uuid static_uuid = { STATIC_TEE_TA_START_LOW, STATIC_TEE_TA_START_MID, STATIC_TEE_TA_START_HIGH, STATIC_TEE_TA_START_CLOCKSEQ, }; err = teec_initialize_context(NULL, &context); if (err) { pr_err("ux500-product: unable to initialize tee context," " err = %d\n", err); err = -EINVAL; goto error0; } err = teec_open_session(&context, &session, &static_uuid, TEEC_LOGIN_PUBLIC, NULL, NULL, &origin_err); if (err) { pr_err("ux500-product: unable to open tee session," " tee error = %d, origin error = %d\n", err, origin_err); err = -EINVAL; goto error1; } memset(&operation, 0, sizeof(struct tee_operation)); if (cpu_is_u8500_family()) { operation.shm[0].buffer = &product_config; operation.shm[0].size = sizeof(product_config); operation.shm[0].flags = TEEC_MEM_OUTPUT; operation.flags = TEEC_MEMREF_0_USED; } else if (cpu_is_ux540_family()) { operation.param[0].tmpref.buffer = &product_config; operation.param[0].tmpref.size = sizeof(product_config); operation.types = TEEC_PARAM_TYPES(TEEC_MEMREF_TEMP_OUTPUT, TEEC_NONE, TEEC_NONE, TEEC_NONE); } else { pr_err("ux500-product: incorrect memref\n"); err = -EINVAL; goto error1; } err = teec_invoke_command(&session, TEE_STA_GET_PRODUCT_CONFIG, &operation, &origin_err); if (err) { pr_err("ux500-product: fetching product settings failed, err=%d", err); err = -EINVAL; goto error1; } switch (product_config.product_id) { case TEE_PRODUCT_ID_8400: pr_info("ux500-product: u8400 detected\n"); break; case TEE_PRODUCT_ID_8500B: pr_info("ux500-product: u8500B detected\n"); break; case TEE_PRODUCT_ID_9500: pr_info("ux500-product: a9500 detected\n"); break; case TEE_PRODUCT_ID_7400: pr_info("ux500-product: u7400 detected\n"); break; case TEE_PRODUCT_ID_8500C: pr_info("ux500-product: u8500C detected\n"); break; case TEE_PRODUCT_ID_8500A: pr_info("ux500-product: u8500A detected\n"); break; case TEE_PRODUCT_ID_8500E: pr_info("ux500-product: u8500E detected\n"); break; case TEE_PRODUCT_ID_8520F: pr_info("ux500-product: u8520F detected\n"); break; case TEE_PRODUCT_ID_8520H: pr_info("ux500-product: u8520H detected\n"); break; case TEE_PRODUCT_ID_9540: pr_info("ux500-product: u9540 detected\n"); break; case TEE_PRODUCT_ID_9500C: pr_info("ux500-product: a9500C detected\n"); break; case TEE_PRODUCT_ID_8500F: pr_info("ux500-product: u8500F detected\n"); break; case TEE_PRODUCT_ID_8540APE: pr_info("ux500-product: u8540APE detected\n"); break; case TEE_PRODUCT_ID_8540XMIP: pr_info("ux500-product: u8540XMIP detected\n"); break; case TEE_PRODUCT_ID_8520E: pr_info("ux500-product: u8520E detected\n"); break; case TEE_PRODUCT_ID_8520J: pr_info("ux500-product: u8520J detected\n"); break; case TEE_PRODUCT_ID_UNKNOWN: default: pr_info("ux500-product: UNKNOWN! (0x%x) detected\n", product_config.product_id); break; } pr_info("ux500-product: JTAG is %s\n", ux500_jtag_enabled() ? "enabled" : "disabled"); error1: (void) teec_finalize_context(&context); error0: return err; }