--- zzzz-none-000/linux-3.10.107/arch/arm/mach-ux500/cpu-db8500.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-ux500/cpu-db8500.c 2021-02-04 17:41:59.000000000 +0000 @@ -20,88 +20,35 @@ #include #include #include +#include #include -#include #include -#include #include -#include #include "setup.h" -#include "devices.h" -#include "irqs.h" -#include "devices-db8500.h" -#include "ste-dma40-db8500.h" -#include "db8500-regs.h" +#include "board-mop500-regulators.h" #include "board-mop500.h" +#include "db8500-regs.h" #include "id.h" -/* minimum static i/o mapping required to boot U8500 platforms */ -static struct map_desc u8500_uart_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_UART0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), -}; -/* U8500 and U9540 common io_desc */ -static struct map_desc u8500_common_io_desc[] __initdata = { - /* SCU base also covers GIC CPU BASE and TWD with its 4K page */ - __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), - __IO_DEV_DESC(U8500_L2CC_BASE, SZ_4K), - __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), - - __IO_DEV_DESC(U8500_CLKRST1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K), - - __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K), -}; - -/* U8500 IO map specific description */ -static struct map_desc u8500_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K), - +static struct ab8500_platform_data ab8500_platdata = { + .regulator = &ab8500_regulator_plat_data, }; -/* U9540 IO map specific description */ -static struct map_desc u9540_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K + SZ_8K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K + SZ_8K), +static struct prcmu_pdata db8500_prcmu_pdata = { + .ab_platdata = &ab8500_platdata, + .version_offset = DB8500_PRCMU_FW_VERSION_OFFSET, + .legacy_offset = DB8500_PRCMU_LEGACY_OFFSET, }; -void __init u8500_map_io(void) +static 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)); + debug_ll_io_init(); + ux500_setup_id(); } -static struct resource db8500_pmu_resources[] = { - [0] = { - .start = IRQ_DB8500_PMU, - .end = IRQ_DB8500_PMU, - .flags = IORESOURCE_IRQ, - }, -}; - /* * The PMU IRQ lines of two cores are wired together into a single interrupt. * Bounce the interrupt to the other core if it's not ours. @@ -122,78 +69,24 @@ return ret; } -struct arm_pmu_platdata db8500_pmu_platdata = { +static struct arm_pmu_platdata db8500_pmu_platdata = { .handle_irq = db8500_pmu_handler, }; -static struct platform_device db8500_pmu_device = { - .name = "arm-pmu", - .id = -1, - .num_resources = ARRAY_SIZE(db8500_pmu_resources), - .resource = db8500_pmu_resources, - .dev.platform_data = &db8500_pmu_platdata, -}; - -static struct platform_device *platform_devs[] __initdata = { - &u8500_dma40_device, - &db8500_pmu_device, -}; - -static resource_size_t __initdata db8500_gpio_base[] = { - U8500_GPIOBANK0_BASE, - U8500_GPIOBANK1_BASE, - U8500_GPIOBANK2_BASE, - U8500_GPIOBANK3_BASE, - U8500_GPIOBANK4_BASE, - U8500_GPIOBANK5_BASE, - U8500_GPIOBANK6_BASE, - U8500_GPIOBANK7_BASE, - U8500_GPIOBANK8_BASE, -}; - -static void __init db8500_add_gpios(struct device *parent) -{ - struct nmk_gpio_platform_data pdata = { - .supports_sleepmode = true, - }; - - dbx500_add_gpios(parent, ARRAY_AND_SIZE(db8500_gpio_base), - IRQ_DB8500_GPIO0, &pdata); - dbx500_add_pinctrl(parent, "pinctrl-db8500", U8500_PRCMU_BASE); -} - -static int usb_db8500_rx_dma_cfg[] = { - DB8500_DMA_DEV38_USB_OTG_IEP_1_9, - DB8500_DMA_DEV37_USB_OTG_IEP_2_10, - DB8500_DMA_DEV36_USB_OTG_IEP_3_11, - DB8500_DMA_DEV19_USB_OTG_IEP_4_12, - DB8500_DMA_DEV18_USB_OTG_IEP_5_13, - DB8500_DMA_DEV17_USB_OTG_IEP_6_14, - DB8500_DMA_DEV16_USB_OTG_IEP_7_15, - DB8500_DMA_DEV39_USB_OTG_IEP_8 -}; - -static int usb_db8500_tx_dma_cfg[] = { - DB8500_DMA_DEV38_USB_OTG_OEP_1_9, - DB8500_DMA_DEV37_USB_OTG_OEP_2_10, - DB8500_DMA_DEV36_USB_OTG_OEP_3_11, - DB8500_DMA_DEV19_USB_OTG_OEP_4_12, - DB8500_DMA_DEV18_USB_OTG_OEP_5_13, - DB8500_DMA_DEV17_USB_OTG_OEP_6_14, - DB8500_DMA_DEV16_USB_OTG_OEP_7_15, - DB8500_DMA_DEV39_USB_OTG_OEP_8 -}; - static const char *db8500_read_soc_id(void) { - void __iomem *uid = __io_address(U8500_BB_UID_BASE); + void __iomem *uid; + uid = ioremap(U8500_BB_UID_BASE, 0x20); + if (!uid) + return NULL; /* Throw these device-specific numbers into the entropy pool */ add_device_randomness(uid, 0x14); return kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x", readl((u32 *)uid+0), readl((u32 *)uid+1), readl((u32 *)uid+2), readl((u32 *)uid+3), readl((u32 *)uid+4)); + iounmap(uid); } static struct device * __init db8500_soc_device_init(void) @@ -203,92 +96,31 @@ return ux500_soc_device_init(soc_id); } -/* - * This function is called from the board init - */ -struct device * __init u8500_init_devices(void) -{ - struct device *parent; - int i; - - parent = db8500_soc_device_init(); - - db8500_add_rtc(parent); - db8500_add_gpios(parent); - db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg); - - for (i = 0; i < ARRAY_SIZE(platform_devs); i++) - platform_devs[i]->dev.parent = parent; - - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); - - return parent; -} - -#ifdef CONFIG_MACH_UX500_DT - -/* TODO: Once all pieces are DT:ed, remove completely. */ -static struct device * __init u8500_of_init_devices(void) -{ - struct device *parent = db8500_soc_device_init(); - - db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg); - - u8500_dma40_device.dev.parent = parent; - - /* - * Devices to be DT:ed: - * u8500_dma40_device = todo - * db8500_pmu_device = done - * db8500_prcmu_device = done - */ - platform_device_register(&u8500_dma40_device); - - return parent; -} - static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = { /* Requires call-back bindings. */ OF_DEV_AUXDATA("arm,cortex-a9-pmu", 0, "arm-pmu", &db8500_pmu_platdata), /* Requires DMA bindings. */ - OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat), - OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat), - OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat), - OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0", &ssp0_plat), - OF_DEV_AUXDATA("arm,pl18x", 0x80126000, "sdi0", &mop500_sdi0_data), - OF_DEV_AUXDATA("arm,pl18x", 0x80118000, "sdi1", &mop500_sdi1_data), - OF_DEV_AUXDATA("arm,pl18x", 0x80005000, "sdi2", &mop500_sdi2_data), - OF_DEV_AUXDATA("arm,pl18x", 0x80114000, "sdi4", &mop500_sdi4_data), - /* Requires clock name bindings. */ - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e000, "gpio.0", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e080, "gpio.1", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e000, "gpio.2", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e080, "gpio.3", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e100, "gpio.4", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e180, "gpio.5", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e000, "gpio.6", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e080, "gpio.7", NULL), - OF_DEV_AUXDATA("st,nomadik-gpio", 0xa03fe000, "gpio.8", NULL), - OF_DEV_AUXDATA("st,nomadik-i2c", 0x80004000, "nmk-i2c.0", NULL), - OF_DEV_AUXDATA("st,nomadik-i2c", 0x80122000, "nmk-i2c.1", NULL), - OF_DEV_AUXDATA("st,nomadik-i2c", 0x80128000, "nmk-i2c.2", NULL), - OF_DEV_AUXDATA("st,nomadik-i2c", 0x80110000, "nmk-i2c.3", NULL), - OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL), - OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", - &db8500_prcmu_pdata), - OF_DEV_AUXDATA("smsc,lan9115", 0x50000000, "smsc911x.0", NULL), - /* Requires device name bindings. */ - OF_DEV_AUXDATA("stericsson,nmk-pinctrl", U8500_PRCMU_BASE, - "pinctrl-db8500", NULL), - /* Requires clock name and DMA bindings. */ OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80123000, - "ux500-msp-i2s.0", &msp0_platform_data), + "ux500-msp-i2s.0", &msp0_platform_data), OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80124000, - "ux500-msp-i2s.1", &msp1_platform_data), + "ux500-msp-i2s.1", &msp1_platform_data), OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80117000, - "ux500-msp-i2s.2", &msp2_platform_data), + "ux500-msp-i2s.2", &msp2_platform_data), OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80125000, - "ux500-msp-i2s.3", &msp3_platform_data), + "ux500-msp-i2s.3", &msp3_platform_data), + /* Requires non-DT:able platform data. */ + OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", + &db8500_prcmu_pdata), + OF_DEV_AUXDATA("stericsson,ux500-cryp", 0xa03cb000, "cryp1", NULL), + OF_DEV_AUXDATA("stericsson,ux500-hash", 0xa03c2000, "hash1", NULL), + OF_DEV_AUXDATA("stericsson,snd-soc-mop500", 0, "snd-soc-mop500.0", + NULL), + {}, +}; + +static struct of_dev_auxdata u8540_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu", + &db8500_prcmu_pdata), {}, }; @@ -302,24 +134,15 @@ static void __init u8500_init_machine(void) { - struct device *parent = NULL; - - /* Pinmaps must be in place before devices register */ - if (of_machine_is_compatible("st-ericsson,mop500")) - mop500_pinmaps_init(); - else if (of_machine_is_compatible("calaosystems,snowball-a9500")) { - snowball_pinmaps_init(); - mop500_snowball_ethernet_clock_enable(); - } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) - hrefv60_pinmaps_init(); - else if (of_machine_is_compatible("st-ericsson,ccu9540")) {} - /* TODO: Add pinmaps for ccu9540 board. */ - - /* TODO: Export SoC, USB, cpu-freq and DMA40 */ - parent = u8500_of_init_devices(); + struct device *parent = db8500_soc_device_init(); - /* automatically probe child nodes of db8500 device */ - of_platform_populate(NULL, u8500_local_bus_nodes, u8500_auxdata_lookup, parent); + /* automatically probe child nodes of dbx5x0 devices */ + if (of_machine_is_compatible("st-ericsson,u8540")) + of_platform_populate(NULL, u8500_local_bus_nodes, + u8540_auxdata_lookup, parent); + else + of_platform_populate(NULL, u8500_local_bus_nodes, + u8500_auxdata_lookup, parent); } static const char * stericsson_dt_platform_compat[] = { @@ -331,7 +154,6 @@ }; DT_MACHINE_START(U8500_DT, "ST-Ericsson Ux5x0 platform (Device Tree Support)") - .smp = smp_ops(ux500_smp_ops), .map_io = u8500_map_io, .init_irq = ux500_init_irq, /* we re-use nomadik timer here */ @@ -339,6 +161,5 @@ .init_machine = u8500_init_machine, .init_late = NULL, .dt_compat = stericsson_dt_platform_compat, + .restart = ux500_restart, MACHINE_END - -#endif