diff options
Diffstat (limited to 'arch')
33 files changed, 401 insertions, 554 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e8cd55a5b04c..b8c6062ca0c1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -701,6 +701,7 @@ config ARCH_VIRT select ARM_GIC_V3_ITS if PCI select ARM_PSCI select HAVE_ARM_ARCH_TIMER + select ARCH_SUPPORTS_BIG_ENDIAN # # This is sorted alphabetically by mach-* pathname. However, plat-* diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index a810fa8ba404..d6a49f59ecd9 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -947,12 +947,13 @@ choice config DEBUG_RCAR_GEN2_SCIF0 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" - depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ - ARCH_R8A7792 || ARCH_R8A7793 + depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ + ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 help Say Y here if you want kernel low-level debugging support - via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), - M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). + via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), + R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or + M2-N (R8A7793). config DEBUG_RCAR_GEN2_SCIF1 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 32fae4dbd63b..51e808adb00c 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -143,15 +143,15 @@ static int at91_pm_config_ws(unsigned int pm_mode, bool set) /* Check if enabled on SHDWC. */ if (wsi->shdwc_mr_bit && !(val & wsi->shdwc_mr_bit)) - goto put_node; + goto put_device; mode |= wsi->pmc_fsmr_bit; if (wsi->set_polarity) polarity |= wsi->pmc_fsmr_bit; } -put_node: - of_node_put(np); +put_device: + put_device(&pdev->dev); } if (mode) { @@ -580,8 +580,6 @@ static int __init at91_pm_backup_init(void) if (!at91_is_pm_mode_active(AT91_PM_BACKUP)) return 0; - pm_bu = NULL; - np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-sfrbu"); if (!np) { pr_warn("%s: failed to find sfrbu!\n", __func__); @@ -590,7 +588,6 @@ static int __init at91_pm_backup_init(void) pm_data.sfrbu = of_iomap(np, 0); of_node_put(np); - pm_bu = NULL; np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-securam"); if (!np) diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c index 61f3d94f1633..45d618abf26b 100644 --- a/arch/arm/mach-imx/anatop.c +++ b/arch/arm/mach-imx/anatop.c @@ -31,6 +31,8 @@ #define ANADIG_DIGPROG_IMX6SL 0x280 #define ANADIG_DIGPROG_IMX7D 0x800 +#define SRC_SBMR2 0x1c + #define BM_ANADIG_REG_2P5_ENABLE_WEAK_LINREG 0x40000 #define BM_ANADIG_REG_2P5_ENABLE_PULLDOWN 0x8 #define BM_ANADIG_REG_CORE_FET_ODRIVE 0x20000000 @@ -148,6 +150,24 @@ void __init imx_init_revision_from_anatop(void) major_part = (digprog >> 8) & 0xf; minor_part = digprog & 0xf; revision = ((major_part + 1) << 4) | minor_part; + + if ((digprog >> 16) == MXC_CPU_IMX6ULL) { + void __iomem *src_base; + u32 sbmr2; + + np = of_find_compatible_node(NULL, NULL, + "fsl,imx6ul-src"); + src_base = of_iomap(np, 0); + WARN_ON(!src_base); + sbmr2 = readl_relaxed(src_base + SRC_SBMR2); + iounmap(src_base); + + /* src_sbmr2 bit 6 is to identify if it is i.MX6ULZ */ + if (sbmr2 & (1 << 6)) { + digprog &= ~(0xff << 16); + digprog |= (MXC_CPU_IMX6ULZ << 16); + } + } } mxc_set_cpu_type(digprog >> 16 & 0xff); diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index c6b1bf97a6c1..c73593e09121 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -136,6 +136,9 @@ struct device * __init imx_soc_device_init(void) case MXC_CPU_IMX6ULL: soc_id = "i.MX6ULL"; break; + case MXC_CPU_IMX6ULZ: + soc_id = "i.MX6ULZ"; + break; case MXC_CPU_IMX6SLL: soc_id = "i.MX6SLL"; break; diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c index 04b3bf71de94..e49e06834516 100644 --- a/arch/arm/mach-imx/mmdc.c +++ b/arch/arm/mach-imx/mmdc.c @@ -11,6 +11,7 @@ * http://www.gnu.org/copyleft/gpl.html */ +#include <linux/clk.h> #include <linux/hrtimer.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -546,7 +547,20 @@ static int imx_mmdc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; void __iomem *mmdc_base, *reg; + struct clk *mmdc_ipg_clk; u32 val; + int err; + + /* the ipg clock is optional */ + mmdc_ipg_clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(mmdc_ipg_clk)) + mmdc_ipg_clk = NULL; + + err = clk_prepare_enable(mmdc_ipg_clk); + if (err) { + dev_err(&pdev->dev, "Unable to enable mmdc ipg clock.\n"); + return err; + } mmdc_base = of_iomap(np, 0); WARN_ON(!mmdc_base); diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h index 026e2ca45f1e..b130a53ff62a 100644 --- a/arch/arm/mach-imx/mxc.h +++ b/arch/arm/mach-imx/mxc.h @@ -40,6 +40,8 @@ #define MXC_CPU_IMX6Q 0x63 #define MXC_CPU_IMX6UL 0x64 #define MXC_CPU_IMX6ULL 0x65 +/* virtual cpu id for i.mx6ulz */ +#define MXC_CPU_IMX6ULZ 0x6b #define MXC_CPU_IMX6SLL 0x67 #define MXC_CPU_IMX7D 0x72 @@ -80,6 +82,11 @@ static inline bool cpu_is_imx6ull(void) return __mxc_cpu_type == MXC_CPU_IMX6ULL; } +static inline bool cpu_is_imx6ulz(void) +{ + return __mxc_cpu_type == MXC_CPU_IMX6ULZ; +} + static inline bool cpu_is_imx6sll(void) { return __mxc_cpu_type == MXC_CPU_IMX6SLL; diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index b08e407d8d96..87f45b926c78 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -313,7 +313,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode) if (cpu_is_imx6sl()) val |= BM_CLPCR_BYPASS_PMIC_READY; if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul() || - cpu_is_imx6ull() || cpu_is_imx6sll()) + cpu_is_imx6ull() || cpu_is_imx6sll() || cpu_is_imx6ulz()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; @@ -331,7 +331,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode) if (cpu_is_imx6sl() || cpu_is_imx6sx()) val |= BM_CLPCR_BYPASS_PMIC_READY; if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul() || - cpu_is_imx6ull() || cpu_is_imx6sll()) + cpu_is_imx6ull() || cpu_is_imx6sll() || cpu_is_imx6ulz()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; @@ -618,6 +618,28 @@ static void __init imx6_pm_common_init(const struct imx6_pm_socdata IMX6Q_GPR1_GINT); } +static void imx6_pm_stby_poweroff(void) +{ + imx6_set_lpm(STOP_POWER_OFF); + imx6q_suspend_finish(0); + + mdelay(1000); + + pr_emerg("Unable to poweroff system\n"); +} + +static int imx6_pm_stby_poweroff_probe(void) +{ + if (pm_power_off) { + pr_warn("%s: pm_power_off already claimed %p %pf!\n", + __func__, pm_power_off, pm_power_off); + return -EBUSY; + } + + pm_power_off = imx6_pm_stby_poweroff; + return 0; +} + void __init imx6_pm_ccm_init(const char *ccm_compat) { struct device_node *np; @@ -634,6 +656,9 @@ void __init imx6_pm_ccm_init(const char *ccm_compat) val = readl_relaxed(ccm_base + CLPCR); val &= ~BM_CLPCR_LPM; writel_relaxed(val, ccm_base + CLPCR); + + if (of_property_read_bool(np, "fsl,pmic-stby-poweroff")) + imx6_pm_stby_poweroff_probe(); } void __init imx6q_pm_init(void) diff --git a/arch/arm/mach-mvebu/board-v7.c b/arch/arm/mach-mvebu/board-v7.c index ccca95173e17..0b10acd7d1b9 100644 --- a/arch/arm/mach-mvebu/board-v7.c +++ b/arch/arm/mach-mvebu/board-v7.c @@ -145,6 +145,13 @@ static void __init mvebu_dt_init(void) i2c_quirk(); } +static void __init armada_370_xp_dt_fixup(void) +{ +#ifdef CONFIG_SMP + smp_set_ops(smp_ops(armada_xp_smp_ops)); +#endif +} + static const char * const armada_370_xp_dt_compat[] __initconst = { "marvell,armada-370-xp", NULL, @@ -153,17 +160,12 @@ static const char * const armada_370_xp_dt_compat[] __initconst = { DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)") .l2c_aux_val = 0, .l2c_aux_mask = ~0, -/* - * The following field (.smp) is still needed to ensure backward - * compatibility with old Device Trees that were not specifying the - * cpus enable-method property. - */ - .smp = smp_ops(armada_xp_smp_ops), .init_machine = mvebu_dt_init, .init_irq = mvebu_init_irq, .restart = mvebu_restart, .reserve = mvebu_memblock_reserve, .dt_compat = armada_370_xp_dt_compat, + .dt_fixup = armada_370_xp_dt_fixup, MACHINE_END static const char * const armada_375_dt_compat[] __initconst = { diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S index ddc27638ba2a..e3faa0274b56 100644 --- a/arch/arm/mach-omap1/ams-delta-fiq-handler.S +++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S @@ -15,6 +15,7 @@ #include <linux/linkage.h> #include <linux/platform_data/ams-delta-fiq.h> +#include <linux/platform_data/gpio-omap.h> #include <asm/assembler.h> #include <mach/board-ams-delta.h> @@ -24,17 +25,10 @@ #include "soc.h" /* - * GPIO related definitions, copied from arch/arm/plat-omap/gpio.c. - * Unfortunately, those were not placed in a separate header file. + * OMAP1510 GPIO related symbol copied from arch/arm/mach-omap1/gpio15xx.c. + * Unfortunately, it was not placed in a separate header file. */ #define OMAP1510_GPIO_BASE 0xFFFCE000 -#define OMAP1510_GPIO_DATA_INPUT 0x00 -#define OMAP1510_GPIO_DATA_OUTPUT 0x04 -#define OMAP1510_GPIO_DIR_CONTROL 0x08 -#define OMAP1510_GPIO_INT_CONTROL 0x0c -#define OMAP1510_GPIO_INT_MASK 0x10 -#define OMAP1510_GPIO_INT_STATUS 0x14 -#define OMAP1510_GPIO_PIN_CONTROL 0x18 /* GPIO register bitmasks */ #define KEYBRD_DATA_MASK (0x1 << AMS_DELTA_GPIO_PIN_KEYBRD_DATA) diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index f226973f3d8c..af318d958fd2 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -250,39 +250,6 @@ static struct platform_device latch2_gpio_device = { #define LATCH2_PIN_HOOKFLASH1 14 #define LATCH2_PIN_HOOKFLASH2 15 -static const struct gpio latch_gpios[] __initconst = { - { - .gpio = LATCH1_GPIO_BASE + 6, - .flags = GPIOF_OUT_INIT_LOW, - .label = "dockit1", - }, - { - .gpio = LATCH1_GPIO_BASE + 7, - .flags = GPIOF_OUT_INIT_LOW, - .label = "dockit2", - }, - { - .gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN, - .flags = GPIOF_OUT_INIT_LOW, - .label = "scard_rstin", - }, - { - .gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC, - .flags = GPIOF_OUT_INIT_LOW, - .label = "scard_cmdvcc", - }, - { - .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14, - .flags = GPIOF_OUT_INIT_LOW, - .label = "hookflash1", - }, - { - .gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15, - .flags = GPIOF_OUT_INIT_LOW, - .label = "hookflash2", - }, -}; - static struct regulator_consumer_supply modem_nreset_consumers[] = { REGULATOR_SUPPLY("RESET#", "serial8250.1"), REGULATOR_SUPPLY("POR", "cx20442-codec"), @@ -329,20 +296,6 @@ struct modem_private_data { static struct modem_private_data modem_priv; -void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value) -{ - int bit = 0; - u16 bitpos = 1 << bit; - - for (; bit < ngpio; bit++, bitpos = bitpos << 1) { - if (!(mask & bitpos)) - continue; - else - gpio_set_value(base + bit, (value & bitpos) != 0); - } -} -EXPORT_SYMBOL(ams_delta_latch_write); - static struct resource ams_delta_nand_resources[] = { [0] = { .start = OMAP1_MPUIO_BASE, @@ -638,6 +591,28 @@ static struct gpiod_hog ams_delta_gpio_hogs[] = { {}, }; +static struct plat_serial8250_port ams_delta_modem_ports[]; + +/* + * Obtain MODEM IRQ GPIO descriptor using its hardware pin + * number and assign related IRQ number to the MODEM port. + * Keep the GPIO descriptor open so nobody steps in. + */ +static void __init modem_assign_irq(struct gpio_chip *chip) +{ + struct gpio_desc *gpiod; + + gpiod = gpiochip_request_own_desc(chip, AMS_DELTA_GPIO_PIN_MODEM_IRQ, + "modem_irq"); + if (IS_ERR(gpiod)) { + pr_err("%s: modem IRQ GPIO request failed (%ld)\n", __func__, + PTR_ERR(gpiod)); + } else { + gpiod_direction_input(gpiod); + ams_delta_modem_ports[0].irq = gpiod_to_irq(gpiod); + } +} + /* * The purpose of this function is to take care of proper initialization of * devices and data structures which depend on GPIO lines provided by OMAP GPIO @@ -657,7 +632,47 @@ static void __init omap_gpio_deps_init(void) return; } + /* + * Start with FIQ initialization as it may have to request + * and release successfully each OMAP GPIO pin in turn. + */ ams_delta_init_fiq(chip, &ams_delta_serio_device); + + modem_assign_irq(chip); +} + +/* + * Initialize latch2 pins with values which are safe for dependent on-board + * devices or useful for their successull initialization even before GPIO + * driver takes control over the latch pins: + * - LATCH2_PIN_LCD_VBLEN = 0 + * - LATCH2_PIN_LCD_NDISP = 0 Keep LCD device powered off before its + * driver takes control over it. + * - LATCH2_PIN_NAND_NCE = 0 + * - LATCH2_PIN_NAND_NWP = 0 Keep NAND device down and write- + * protected before its driver takes + * control over it. + * - LATCH2_PIN_KEYBRD_PWR = 0 Keep keyboard powered off before serio + * driver takes control over it. + * - LATCH2_PIN_KEYBRD_DATAOUT = 0 Keep low to avoid corruption of first + * byte of data received from attached + * keyboard when serio device is probed; + * the pin is also hogged low by the latch2 + * GPIO driver as soon as it is ready. + * - LATCH2_PIN_MODEM_NRESET = 1 Enable voice MODEM device, allowing for + * its successful probe even before a + * regulator it depends on, which in turn + * takes control over the pin, is set up. + * - LATCH2_PIN_MODEM_CODEC = 1 Attach voice MODEM CODEC data port + * to the MODEM so the CODEC is under + * control even if audio driver doesn't + * take it over. + */ +static void __init ams_delta_latch2_init(void) +{ + u16 latch2 = 1 << LATCH2_PIN_MODEM_NRESET | 1 << LATCH2_PIN_MODEM_CODEC; + + __raw_writew(latch2, LATCH2_VIRT); } static void __init ams_delta_init(void) @@ -681,6 +696,7 @@ static void __init ams_delta_init(void) omap_cfg_reg(J18_1610_CAM_D7); omap_gpio_deps_init(); + ams_delta_latch2_init(); gpiod_add_hogs(ams_delta_gpio_hogs); omap_serial_init(); @@ -821,7 +837,6 @@ static void __init ams_delta_led_init(struct gpio_chip *chip) static int __init ams_delta_gpio_init(void) { struct gpio_chip *chip; - int err; if (!machine_is_ams_delta()) return -ENODEV; @@ -832,11 +847,7 @@ static int __init ams_delta_gpio_init(void) else ams_delta_led_init(chip); - err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios)); - if (err) - pr_err("Couldn't take over latch1/latch2 GPIO pins\n"); - - return err; + return 0; } device_initcall_sync(ams_delta_gpio_init); @@ -852,33 +863,44 @@ static int __init modem_nreset_init(void) } +/* + * This function expects MODEM IRQ number already assigned to the port + * and fails if it's not. + * The MODEM device requires its RESET# pin kept high during probe. + * That requirement can be fulfilled in several ways: + * - with a descriptor of already functional modem_nreset regulator + * assigned to the MODEM private data, + * - with the regulator not yet controlled by modem_pm function but + * already enabled by default on probe, + * - before the modem_nreset regulator is probed, with the pin already + * set high explicitly. + * The last one is already guaranteed by ams_delta_latch2_init() called + * from machine_init. + * In order to avoid taking over ttyS0 device slot, the MODEM device + * should be registered after OMAP serial ports. Since those ports + * are registered at arch_initcall, this function can be called safely + * at arch_initcall_sync earliest. + */ static int __init ams_delta_modem_init(void) { int err; - omap_cfg_reg(M14_1510_GPIO2); - ams_delta_modem_ports[0].irq = - gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ); + if (!machine_is_ams_delta()) + return -ENODEV; - err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem"); - if (err) { - pr_err("Couldn't request gpio pin for modem\n"); - return err; - } - gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ); + if (ams_delta_modem_ports[0].irq < 0) + return ams_delta_modem_ports[0].irq; + + omap_cfg_reg(M14_1510_GPIO2); /* Initialize the modem_nreset regulator consumer before use */ modem_priv.regulator = ERR_PTR(-ENODEV); - ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, - AMS_DELTA_LATCH2_MODEM_CODEC); - err = platform_device_register(&ams_delta_modem_device); - if (err) - gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ); return err; } +arch_initcall_sync(ams_delta_modem_init); static int __init late_init(void) { @@ -888,10 +910,6 @@ static int __init late_init(void) if (err) return err; - err = ams_delta_modem_init(); - if (err) - return err; - /* * Once the modem device is registered, the modem_nreset * regulator can be requested on behalf of that device. @@ -906,7 +924,6 @@ static int __init late_init(void) unregister: platform_device_unregister(&ams_delta_modem_device); - gpio_free(AMS_DELTA_GPIO_PIN_MODEM_IRQ); return err; } diff --git a/arch/arm/mach-omap1/include/mach/board-ams-delta.h b/arch/arm/mach-omap1/include/mach/board-ams-delta.h index ad6f865d1f16..3b2d8019238a 100644 --- a/arch/arm/mach-omap1/include/mach/board-ams-delta.h +++ b/arch/arm/mach-omap1/include/mach/board-ams-delta.h @@ -59,13 +59,6 @@ #define AMS_DELTA_LATCH2_GPIO_BASE AMS_DELTA_GPIO_PIN_LCD_VBLEN #define AMS_DELTA_LATCH2_NGPIO 16 -#ifndef __ASSEMBLY__ -void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value); -#define ams_delta_latch2_write(mask, value) \ - ams_delta_latch_write(AMS_DELTA_LATCH2_GPIO_BASE, \ - AMS_DELTA_LATCH2_NGPIO, (mask), (value)) -#endif - #endif /* CONFIG_MACH_AMS_DELTA */ #endif /* __ASM_ARCH_OMAP_AMS_DELTA_H */ diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index cd65ea4e9c54..56a1fe90d394 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -188,16 +188,16 @@ /** * struct clkctrl_provider - clkctrl provider mapping data - * @addr: base address for the provider - * @size: size of the provider address space - * @offset: offset of the provider from PRCM instance base + * @num_addrs: number of base address ranges for the provider + * @addr: base address(es) for the provider + * @size: size(s) of the provider address space(s) * @node: device node associated with the provider * @link: list link */ struct clkctrl_provider { - u32 addr; - u32 size; - u16 offset; + int num_addrs; + u32 *addr; + u32 *size; struct device_node *node; struct list_head link; }; @@ -724,23 +724,34 @@ static int __init _setup_clkctrl_provider(struct device_node *np) const __be32 *addrp; struct clkctrl_provider *provider; u64 size; + int i; provider = memblock_virt_alloc(sizeof(*provider), 0); if (!provider) return -ENOMEM; - addrp = of_get_address(np, 0, &size, NULL); - provider->addr = (u32)of_translate_address(np, addrp); - addrp = of_get_address(np->parent, 0, NULL, NULL); - provider->offset = provider->addr - - (u32)of_translate_address(np->parent, addrp); - provider->addr &= ~0xff; - provider->size = size | 0xff; provider->node = np; - pr_debug("%s: %s: %x...%x [+%x]\n", __func__, np->parent->name, - provider->addr, provider->addr + provider->size, - provider->offset); + provider->num_addrs = + of_property_count_elems_of_size(np, "reg", sizeof(u32)) / 2; + + provider->addr = + memblock_virt_alloc(sizeof(void *) * provider->num_addrs, 0); + if (!provider->addr) + return -ENOMEM; + + provider->size = + memblock_virt_alloc(sizeof(u32) * provider->num_addrs, 0); + if (!provider->size) + return -ENOMEM; + + for (i = 0; i < provider->num_addrs; i++) { + addrp = of_get_address(np, i, &size, NULL); + provider->addr[i] = (u32)of_translate_address(np, addrp); + provider->size[i] = size; + pr_debug("%s: %pOF: %x...%x\n", __func__, np, provider->addr[i], + provider->addr[i] + provider->size[i]); + } list_add(&provider->link, &clkctrl_providers); @@ -787,23 +798,26 @@ static struct clk *_lookup_clkctrl_clk(struct omap_hwmod *oh) pr_debug("%s: %s: addr=%x\n", __func__, oh->name, addr); list_for_each_entry(provider, &clkctrl_providers, link) { - if (provider->addr <= addr && - provider->addr + provider->size >= addr) { - struct of_phandle_args clkspec; + int i; - clkspec.np = provider->node; - clkspec.args_count = 2; - clkspec.args[0] = addr - provider->addr - - provider->offset; - clkspec.args[1] = 0; + for (i = 0; i < provider->num_addrs; i++) { + if (provider->addr[i] <= addr && + provider->addr[i] + provider->size[i] > addr) { + struct of_phandle_args clkspec; - clk = of_clk_get_from_provider(&clkspec); + clkspec.np = provider->node; + clkspec.args_count = 2; + clkspec.args[0] = addr - provider->addr[0]; + clkspec.args[1] = 0; - pr_debug("%s: %s got %p (offset=%x, provider=%s)\n", - __func__, oh->name, clk, clkspec.args[0], - provider->node->parent->name); + clk = of_clk_get_from_provider(&clkspec); - return clk; + pr_debug("%s: %s got %p (offset=%x, provider=%pOF)\n", + __func__, oh->name, clk, + clkspec.args[0], provider->node); + + return clk; + } } } @@ -2107,8 +2121,8 @@ static int of_dev_find_hwmod(struct device_node *np, if (res) continue; if (!strcmp(p, oh->name)) { - pr_debug("omap_hwmod: dt %s[%i] uses hwmod %s\n", - np->name, i, oh->name); + pr_debug("omap_hwmod: dt %pOFn[%i] uses hwmod %s\n", + np, i, oh->name); return i; } } @@ -2241,8 +2255,8 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh, return -ENOENT; if (nr_addr != 1 || nr_size != 1) { - pr_err("%s: invalid range for %s->%s\n", __func__, - oh->name, np->name); + pr_err("%s: invalid range for %s->%pOFn\n", __func__, + oh->name, np); return -EINVAL; } @@ -2250,8 +2264,8 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh, base = of_translate_address(np, ranges++); size = be32_to_cpup(ranges); - pr_debug("omap_hwmod: %s %s at 0x%llx size 0x%llx\n", - oh ? oh->name : "", np->name, base, size); + pr_debug("omap_hwmod: %s %pOFn at 0x%llx size 0x%llx\n", + oh->name, np, base, size); if (oh && oh->mpu_rt_idx) { omap_hwmod_fix_mpu_rt_idx(oh, np, res); @@ -2359,8 +2373,8 @@ static int __init _init(struct omap_hwmod *oh, void *data) if (r) pr_debug("omap_hwmod: %s missing dt data\n", oh->name); else if (np && index) - pr_warn("omap_hwmod: %s using broken dt data from %s\n", - oh->name, np->name); + pr_warn("omap_hwmod: %s using broken dt data from %pOFn\n", + oh->name, np); r = _init_mpu_rt_base(oh, NULL, index, np); if (r < 0) { diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 94e9431d92b8..b100c26a858f 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -1,6 +1,4 @@ -config ARCH_SHMOBILE - bool - +# SPDX-License-Identifier: GPL-2.0 config PM_RMOBILE bool select PM @@ -30,7 +28,6 @@ config ARCH_RMOBILE menuconfig ARCH_RENESAS bool "Renesas ARM SoCs" depends on ARCH_MULTI_V7 && MMU - select ARCH_SHMOBILE select ARM_GIC select GPIOLIB select HAVE_ARM_SCU if SMP @@ -78,6 +75,11 @@ config ARCH_R8A7743 select ARCH_RCAR_GEN2 select ARM_ERRATA_798181 if SMP +config ARCH_R8A7744 + bool "RZ/G1N (R8A77440)" + select ARCH_RCAR_GEN2 + select ARM_ERRATA_798181 if SMP + config ARCH_R8A7745 bool "RZ/G1E (R8A77450)" select ARCH_RCAR_GEN2 diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S index 936d7011c314..d0234296ae62 100644 --- a/arch/arm/mach-shmobile/headsmp-scu.S +++ b/arch/arm/mach-shmobile/headsmp-scu.S @@ -1,17 +1,8 @@ -/* +/* SPDX-License-Identifier: GPL-2.0+ + * * Shared SCU setup for mach-shmobile * * Copyright (C) 2012 Bastian Hecht - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/linkage.h> diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index cef8e8c555f8..9466ae61f56a 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -1,14 +1,11 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * SMP support for R-Mobile / SH-Mobile * * Copyright (C) 2010 Magnus Damm * Copyright (C) 2010 Takashi Yoshii * * Based on vexpress, Copyright (c) 2003 ARM Limited, All Rights Reserved - * - * 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/init.h> #include <linux/linkage.h> diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index f1a1efde4beb..fcfcef1d1ae4 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SMP support for SoCs with SCU covered by mach-shmobile * * Copyright (C) 2013 Magnus Damm - * - * 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/cpu.h> #include <linux/delay.h> diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index b23378f3d7e1..7437c01513f6 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SMP support for R-Mobile / SH-Mobile * @@ -5,10 +6,6 @@ * Copyright (C) 2011 Paul Mundt * * Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved - * - * 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/init.h> #include <asm/cacheflush.h> diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c index 7efe95bd584f..8c2a20591524 100644 --- a/arch/arm/mach-shmobile/pm-rcar-gen2.c +++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R-Car Generation 2 Power management support * * Copyright (C) 2013 - 2015 Renesas Electronics Corporation * Copyright (C) 2011 Renesas Solutions Corp. * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #include <linux/kernel.h> diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index 94fdeef11b81..c6a11b5ec6db 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * rmobile power management support * @@ -7,10 +8,6 @@ * * based on pm-sh7372.c * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #include <linux/clk/renesas.h> #include <linux/console.h> @@ -189,7 +186,7 @@ static void __init add_special_pd(struct device_node *np, enum pd_types type) return; } - pr_debug("Special PM domain %s type %d for %pOF\n", pd->name, type, np); + pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np); special_pds[num_special_pds].pd = pd; special_pds[num_special_pds].type = type; diff --git a/arch/arm/mach-shmobile/pm-rmobile.h b/arch/arm/mach-shmobile/pm-rmobile.h index 8146bb6d7237..69f839259b09 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.h +++ b/arch/arm/mach-shmobile/pm-rmobile.h @@ -1,11 +1,8 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * Copyright (C) 2012 Renesas Solutions Corp. * * Kuninori Morimoto <morimoto.kuninori@renesas.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #ifndef PM_RMOBILE_H #define PM_RMOBILE_H diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c index 21ebc7678ffd..8e50daa99151 100644 --- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c +++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c @@ -23,11 +23,12 @@ #include <linux/i2c.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/list.h> #include <linux/notifier.h> #include <linux/of.h> +#include <linux/of_irq.h> #include <linux/mfd/da9063/registers.h> - #define IRQC_BASE 0xe61c0000 #define IRQC_MONITOR 0x104 /* IRQn Signal Level Monitor Register */ @@ -36,34 +37,45 @@ /* start of DA9210 System Control and Event Registers */ #define DA9210_REG_MASK_A 0x54 +struct regulator_quirk { + struct list_head list; + const struct of_device_id *id; + struct of_phandle_args irq_args; + struct i2c_msg i2c_msg; + bool shared; /* IRQ line is shared */ +}; + +static LIST_HEAD(quirk_list); static void __iomem *irqc; /* first byte sets the memory pointer, following are consecutive reg values */ static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff }; static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff }; -static struct i2c_msg da9xxx_msgs[3] = { - { - .addr = 0x58, - .len = ARRAY_SIZE(da9063_irq_clr), - .buf = da9063_irq_clr, - }, { - .addr = 0x68, - .len = ARRAY_SIZE(da9210_irq_clr), - .buf = da9210_irq_clr, - }, { - .addr = 0x70, - .len = ARRAY_SIZE(da9210_irq_clr), - .buf = da9210_irq_clr, - }, +static struct i2c_msg da9063_msg = { + .len = ARRAY_SIZE(da9063_irq_clr), + .buf = da9063_irq_clr, +}; + +static struct i2c_msg da9210_msg = { + .len = ARRAY_SIZE(da9210_irq_clr), + .buf = da9210_irq_clr, +}; + +static const struct of_device_id rcar_gen2_quirk_match[] = { + { .compatible = "dlg,da9063", .data = &da9063_msg }, + { .compatible = "dlg,da9210", .data = &da9210_msg }, + {}, }; static int regulator_quirk_notify(struct notifier_block *nb, unsigned long action, void *data) { + struct regulator_quirk *pos, *tmp; struct device *dev = data; struct i2c_client *client; static bool done; + int ret; u32 mon; if (done) @@ -80,17 +92,20 @@ static int regulator_quirk_notify(struct notifier_block *nb, client = to_i2c_client(dev); dev_dbg(dev, "Detected %s\n", client->name); - if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) || - (client->addr == 0x68 && !strcmp(client->name, "da9210")) || - (client->addr == 0x70 && !strcmp(client->name, "da9210"))) { - int ret, len; + /* + * Send message to all PMICs that share an IRQ line to deassert it. + * + * WARNING: This works only if all the PMICs are on the same I2C bus. + */ + list_for_each_entry(pos, &quirk_list, list) { + if (!pos->shared) + continue; - /* There are two DA9210 on Stout, one on the other boards. */ - len = of_machine_is_compatible("renesas,stout") ? 3 : 2; + dev_info(&client->dev, "clearing %s@0x%02x interrupts\n", + pos->id->compatible, pos->i2c_msg.addr); - dev_info(&client->dev, "clearing da9063/da9210 interrupts\n"); - ret = i2c_transfer(client->adapter, da9xxx_msgs, len); - if (ret != len) + ret = i2c_transfer(client->adapter, &pos->i2c_msg, 1); + if (ret != 1) dev_err(&client->dev, "i2c error %d\n", ret); } @@ -103,6 +118,11 @@ static int regulator_quirk_notify(struct notifier_block *nb, remove: dev_info(dev, "IRQ2 is not asserted, removing quirk\n"); + list_for_each_entry_safe(pos, tmp, &quirk_list, list) { + list_del(&pos->list); + kfree(pos); + } + done = true; iounmap(irqc); return 0; @@ -114,7 +134,12 @@ static struct notifier_block regulator_quirk_nb = { static int __init rcar_gen2_regulator_quirk(void) { - u32 mon; + struct regulator_quirk *quirk, *pos, *tmp; + struct of_phandle_args *argsa, *argsb; + const struct of_device_id *id; + struct device_node *np; + u32 mon, addr; + int ret; if (!of_machine_is_compatible("renesas,koelsch") && !of_machine_is_compatible("renesas,lager") && @@ -122,22 +147,78 @@ static int __init rcar_gen2_regulator_quirk(void) !of_machine_is_compatible("renesas,gose")) return -ENODEV; + for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) { + if (!of_device_is_available(np)) + break; + + ret = of_property_read_u32(np, "reg", &addr); + if (ret) /* Skip invalid entry and continue */ + continue; + + quirk = kzalloc(sizeof(*quirk), GFP_KERNEL); + if (!quirk) { + ret = -ENOMEM; + goto err_mem; + } + + argsa = &quirk->irq_args; + memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg)); + + quirk->id = id; + quirk->i2c_msg.addr = addr; + + ret = of_irq_parse_one(np, 0, argsa); + if (ret) { /* Skip invalid entry and continue */ + kfree(quirk); + continue; + } + + list_for_each_entry(pos, &quirk_list, list) { + argsb = &pos->irq_args; + + if (argsa->args_count != argsb->args_count) + continue; + + ret = memcmp(argsa->args, argsb->args, + argsa->args_count * + sizeof(argsa->args[0])); + if (!ret) { + pos->shared = true; + quirk->shared = true; + } + } + + list_add_tail(&quirk->list, &quirk_list); + } + irqc = ioremap(IRQC_BASE, PAGE_SIZE); - if (!irqc) - return -ENOMEM; + if (!irqc) { + ret = -ENOMEM; + goto err_mem; + } mon = ioread32(irqc + IRQC_MONITOR); if (mon & REGULATOR_IRQ_MASK) { pr_debug("%s: IRQ2 is not asserted, not installing quirk\n", __func__); - iounmap(irqc); - return 0; + ret = 0; + goto err_free; } pr_info("IRQ2 is asserted, installing da9063/da9210 regulator quirk\n"); bus_register_notifier(&i2c_bus_type, ®ulator_quirk_nb); return 0; + +err_free: + iounmap(irqc); +err_mem: + list_for_each_entry_safe(pos, tmp, &quirk_list, list) { + list_del(&pos->list); + kfree(pos); + } + + return ret; } arch_initcall(rcar_gen2_regulator_quirk); diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index d589326099e0..b13ec9088ce5 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -7,9 +7,7 @@ * Copyright (C) 2013 Cogent Embedded, Inc. */ #include <linux/init.h> -#include <linux/irq.h> #include <linux/irqchip.h> -#include <linux/irqchip/arm-gic.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c index 013acc97795c..eea60b20c6b4 100644 --- a/arch/arm/mach-shmobile/setup-rcar-gen2.c +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c @@ -25,6 +25,7 @@ static const struct of_device_id cpg_matches[] __initconst = { { .compatible = "renesas,rcar-gen2-cpg-clocks", }, { .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" }, + { .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" }, { .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" }, { .compatible = "renesas,r8a7791-cpg-mssr", .data = "extal" }, { .compatible = "renesas,r8a7793-cpg-mssr", .data = "extal" }, @@ -193,6 +194,7 @@ MACHINE_END static const char * const rz_g1_boards_compat_dt[] __initconst = { "renesas,r8a7743", + "renesas,r8a7744", "renesas,r8a7745", "renesas,r8a77470", NULL, diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 41137404382e..9bc543faba96 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SMP support for R-Mobile / SH-Mobile - sh73a0 portion * * Copyright (C) 2010 Magnus Damm * Copyright (C) 2010 Takashi Yoshii - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> #include <linux/init.h> diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c index 74b30bade2c1..3969a499746e 100644 --- a/arch/arm/mach-shmobile/suspend.c +++ b/arch/arm/mach-shmobile/suspend.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Suspend-to-RAM support code for SH-Mobile ARM * * Copyright (C) 2011 Magnus Damm - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #include <linux/pm.h> diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c index e48b0939693f..2335311b5f36 100644 --- a/arch/arm/mach-shmobile/timer.c +++ b/arch/arm/mach-shmobile/timer.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SH-Mobile Timer * * Copyright (C) 2010 Magnus Damm * Copyright (C) 2002 - 2009 Paul Mundt - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/platform_device.h> #include <linux/clocksource.h> diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig index 4f43c1cd5db0..c3c8bf54f033 100644 --- a/arch/arm/mach-u300/Kconfig +++ b/arch/arm/mach-u300/Kconfig @@ -29,17 +29,4 @@ config U300_DEBUG help Debug support for U300 in sysfs, procfs etc. -config MACH_U300_SPIDUMMY - depends on ARCH_U300 - bool "SSP/SPI dummy chip" - select SPI - select SPI_MASTER - select SPI_PL022 - help - This creates a small kernel module that creates a dummy - SPI device to be used for loopback tests. Regularly used - to test reference designs. If you're not testing SPI, - you don't need it. Selecting this will activate the - SPI framework and ARM PL022 support. - endif diff --git a/arch/arm/mach-u300/Makefile b/arch/arm/mach-u300/Makefile index 87d37de054b6..5a8804fa8776 100644 --- a/arch/arm/mach-u300/Makefile +++ b/arch/arm/mach-u300/Makefile @@ -4,5 +4,4 @@ obj-y := core.o -obj-$(CONFIG_MACH_U300_SPIDUMMY) += dummyspichip.o obj-$(CONFIG_REGULATOR_AB3100) += regulator.o diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c deleted file mode 100644 index 68fe986ca42e..000000000000 --- a/arch/arm/mach-u300/dummyspichip.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * arch/arm/mach-u300/dummyspichip.c - * - * Copyright (C) 2007-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 - * This is a dummy loopback SPI "chip" used for testing SPI. - * Author: Linus Walleij <linus.walleij@stericsson.com> - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/err.h> -#include <linux/sysfs.h> -#include <linux/mutex.h> -#include <linux/spi/spi.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -/* - * WARNING! Do not include this pl022-specific controller header - * for any generic driver. It is only done in this dummy chip - * because we alter the chip configuration in order to test some - * different settings on the loopback device. Normal chip configs - * shall be STATIC and not altered by the driver! - */ -#include <linux/amba/pl022.h> - -struct dummy { - struct device *dev; - struct mutex lock; -}; - -#define DMA_TEST_SIZE 2048 - -/* When we cat /sys/bus/spi/devices/spi0.0/looptest this will be triggered */ -static ssize_t dummy_looptest(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct spi_device *spi = to_spi_device(dev); - struct dummy *p_dummy = dev_get_drvdata(&spi->dev); - - /* - * WARNING! Do not dereference the chip-specific data in any normal - * driver for a chip. It is usually STATIC and shall not be read - * or written to. Your chip driver should NOT depend on fields in this - * struct, this is just used here to alter the behaviour of the chip - * in order to perform tests. - */ - int status; - u8 txbuf[14] = {0xDE, 0xAD, 0xBE, 0xEF, 0x2B, 0xAD, - 0xCA, 0xFE, 0xBA, 0xBE, 0xB1, 0x05, - 0xF0, 0x0D}; - u8 rxbuf[14]; - u8 *bigtxbuf_virtual; - u8 *bigrxbuf_virtual; - - if (mutex_lock_interruptible(&p_dummy->lock)) - return -ERESTARTSYS; - - bigtxbuf_virtual = kmalloc(DMA_TEST_SIZE, GFP_KERNEL); - if (bigtxbuf_virtual == NULL) { - status = -ENOMEM; - goto out; - } - bigrxbuf_virtual = kmalloc(DMA_TEST_SIZE, GFP_KERNEL); - - /* Fill TXBUF with some happy pattern */ - memset(bigtxbuf_virtual, 0xAA, DMA_TEST_SIZE); - - /* - * Force chip to 8 bit mode - * WARNING: NEVER DO THIS IN REAL DRIVER CODE, THIS SHOULD BE STATIC! - */ - spi->bits_per_word = 8; - /* You should NOT DO THIS EITHER */ - spi->master->setup(spi); - - /* Now run the tests for 8bit mode */ - pr_info("Simple test 1: write 0xAA byte, read back garbage byte " - "in 8bit mode\n"); - status = spi_w8r8(spi, 0xAA); - if (status < 0) - pr_warn("Simple test 1: FAILURE: spi_write_then_read failed with status %d\n", - status); - else - pr_info("Simple test 1: SUCCESS!\n"); - - pr_info("Simple test 2: write 8 bytes, read back 8 bytes garbage " - "in 8bit mode (full FIFO)\n"); - status = spi_write_then_read(spi, &txbuf[0], 8, &rxbuf[0], 8); - if (status < 0) - pr_warn("Simple test 2: FAILURE: spi_write_then_read() failed with status %d\n", - status); - else - pr_info("Simple test 2: SUCCESS!\n"); - - pr_info("Simple test 3: write 14 bytes, read back 14 bytes garbage " - "in 8bit mode (see if we overflow FIFO)\n"); - status = spi_write_then_read(spi, &txbuf[0], 14, &rxbuf[0], 14); - if (status < 0) - pr_warn("Simple test 3: FAILURE: failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 3: SUCCESS!\n"); - - pr_info("Simple test 4: write 8 bytes with spi_write(), read 8 " - "bytes garbage with spi_read() in 8bit mode\n"); - status = spi_write(spi, &txbuf[0], 8); - if (status < 0) - pr_warn("Simple test 4 step 1: FAILURE: spi_write() failed with status %d\n", - status); - else - pr_info("Simple test 4 step 1: SUCCESS!\n"); - status = spi_read(spi, &rxbuf[0], 8); - if (status < 0) - pr_warn("Simple test 4 step 2: FAILURE: spi_read() failed with status %d\n", - status); - else - pr_info("Simple test 4 step 2: SUCCESS!\n"); - - pr_info("Simple test 5: write 14 bytes with spi_write(), read " - "14 bytes garbage with spi_read() in 8bit mode\n"); - status = spi_write(spi, &txbuf[0], 14); - if (status < 0) - pr_warn("Simple test 5 step 1: FAILURE: spi_write() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 5 step 1: SUCCESS!\n"); - status = spi_read(spi, &rxbuf[0], 14); - if (status < 0) - pr_warn("Simple test 5 step 2: FAILURE: spi_read() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 5: SUCCESS!\n"); - - pr_info("Simple test 6: write %d bytes with spi_write(), " - "read %d bytes garbage with spi_read() in 8bit mode\n", - DMA_TEST_SIZE, DMA_TEST_SIZE); - status = spi_write(spi, &bigtxbuf_virtual[0], DMA_TEST_SIZE); - if (status < 0) - pr_warn("Simple test 6 step 1: FAILURE: spi_write() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 6 step 1: SUCCESS!\n"); - status = spi_read(spi, &bigrxbuf_virtual[0], DMA_TEST_SIZE); - if (status < 0) - pr_warn("Simple test 6 step 2: FAILURE: spi_read() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 6: SUCCESS!\n"); - - - /* - * Force chip to 16 bit mode - * WARNING: NEVER DO THIS IN REAL DRIVER CODE, THIS SHOULD BE STATIC! - */ - spi->bits_per_word = 16; - /* You should NOT DO THIS EITHER */ - spi->master->setup(spi); - - pr_info("Simple test 7: write 0xAA byte, read back garbage byte " - "in 16bit bus mode\n"); - status = spi_w8r8(spi, 0xAA); - if (status == -EIO) - pr_info("Simple test 7: SUCCESS! (expected failure with " - "status EIO)\n"); - else if (status < 0) - pr_warn("Simple test 7: FAILURE: spi_write_then_read failed with status %d\n", - status); - else - pr_warn("Simple test 7: FAILURE: spi_write_then_read succeeded but it was expected to fail!\n"); - - pr_info("Simple test 8: write 8 bytes, read back 8 bytes garbage " - "in 16bit mode (full FIFO)\n"); - status = spi_write_then_read(spi, &txbuf[0], 8, &rxbuf[0], 8); - if (status < 0) - pr_warn("Simple test 8: FAILURE: spi_write_then_read() failed with status %d\n", - status); - else - pr_info("Simple test 8: SUCCESS!\n"); - - pr_info("Simple test 9: write 14 bytes, read back 14 bytes garbage " - "in 16bit mode (see if we overflow FIFO)\n"); - status = spi_write_then_read(spi, &txbuf[0], 14, &rxbuf[0], 14); - if (status < 0) - pr_warn("Simple test 9: FAILURE: failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 9: SUCCESS!\n"); - - pr_info("Simple test 10: write %d bytes with spi_write(), " - "read %d bytes garbage with spi_read() in 16bit mode\n", - DMA_TEST_SIZE, DMA_TEST_SIZE); - status = spi_write(spi, &bigtxbuf_virtual[0], DMA_TEST_SIZE); - if (status < 0) - pr_warn("Simple test 10 step 1: FAILURE: spi_write() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 10 step 1: SUCCESS!\n"); - - status = spi_read(spi, &bigrxbuf_virtual[0], DMA_TEST_SIZE); - if (status < 0) - pr_warn("Simple test 10 step 2: FAILURE: spi_read() failed with status %d (probably FIFO overrun)\n", - status); - else - pr_info("Simple test 10: SUCCESS!\n"); - - status = sprintf(buf, "loop test complete\n"); - kfree(bigrxbuf_virtual); - kfree(bigtxbuf_virtual); - out: - mutex_unlock(&p_dummy->lock); - return status; -} - -static DEVICE_ATTR(looptest, S_IRUGO, dummy_looptest, NULL); - -static int pl022_dummy_probe(struct spi_device *spi) -{ - struct dummy *p_dummy; - int status; - - dev_info(&spi->dev, "probing dummy SPI device\n"); - - p_dummy = kzalloc(sizeof *p_dummy, GFP_KERNEL); - if (!p_dummy) - return -ENOMEM; - - dev_set_drvdata(&spi->dev, p_dummy); - mutex_init(&p_dummy->lock); - - /* sysfs hook */ - status = device_create_file(&spi->dev, &dev_attr_looptest); - if (status) { - dev_dbg(&spi->dev, "device_create_file looptest failure.\n"); - goto out_dev_create_looptest_failed; - } - - return 0; - -out_dev_create_looptest_failed: - dev_set_drvdata(&spi->dev, NULL); - kfree(p_dummy); - return status; -} - -static int pl022_dummy_remove(struct spi_device *spi) -{ - struct dummy *p_dummy = dev_get_drvdata(&spi->dev); - - dev_info(&spi->dev, "removing dummy SPI device\n"); - device_remove_file(&spi->dev, &dev_attr_looptest); - dev_set_drvdata(&spi->dev, NULL); - kfree(p_dummy); - - return 0; -} - -static const struct of_device_id pl022_dummy_dt_match[] = { - { .compatible = "arm,pl022-dummy" }, - {}, -}; - -static struct spi_driver pl022_dummy_driver = { - .driver = { - .name = "spi-dummy", - .of_match_table = pl022_dummy_dt_match, - }, - .probe = pl022_dummy_probe, - .remove = pl022_dummy_remove, -}; - -module_spi_driver(pl022_dummy_driver); -MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>"); -MODULE_DESCRIPTION("PL022 SSP/SPI DUMMY Linux driver"); -MODULE_LICENSE("GPL"); diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c index f0292a30e6f6..10ef99ce1d90 100644 --- a/arch/arm/mach-zynq/slcr.c +++ b/arch/arm/mach-zynq/slcr.c @@ -233,7 +233,7 @@ int __init zynq_early_slcr_init(void) register_restart_handler(&zynq_slcr_restart_nb); - pr_info("%s mapped to %p\n", np->name, zynq_slcr_base); + pr_info("%pOFn mapped to %p\n", np, zynq_slcr_base); of_node_put(np); diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index b600e38364eb..377ff9cda667 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -256,7 +256,7 @@ config S3C_PM_DEBUG_LED_SMDK config SAMSUNG_PM_CHECK bool "S3C2410 PM Suspend Memory CRC" - depends on PM + depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210) select CRC32 help Enable the PM code's memory area checksum over sleep. This option diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 138d8eb58374..51bc479334a4 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -3,6 +3,7 @@ menu "Platform selection" config ARCH_ACTIONS bool "Actions Semi Platforms" select OWL_TIMER + select PINCTRL help This enables support for the Actions Semiconductor S900 SoC family. @@ -67,6 +68,7 @@ config ARCH_EXYNOS select HAVE_S3C_RTC if RTC_CLASS select PINCTRL select PINCTRL_EXYNOS + select PM_GENERIC_DOMAINS if PM select SOC_SAMSUNG help This enables support for ARMv8 based Samsung Exynos SoC family. @@ -153,40 +155,30 @@ config ARCH_REALTEK This enables support for the ARMv8 based Realtek chipsets, like the RTD1295. -config ARCH_ROCKCHIP - bool "Rockchip Platforms" - select ARCH_HAS_RESET_CONTROLLER - select GPIOLIB - select PINCTRL - select PINCTRL_ROCKCHIP - select PM - select ROCKCHIP_TIMER - help - This enables support for the ARMv8 based Rockchip chipsets, - like the RK3368. - -config ARCH_SEATTLE - bool "AMD Seattle SoC Family" - help - This enables support for AMD Seattle SOC Family - -config ARCH_SHMOBILE - bool - -config ARCH_SYNQUACER - bool "Socionext SynQuacer SoC Family" - config ARCH_RENESAS bool "Renesas SoC Platforms" - select ARCH_SHMOBILE select PINCTRL select PM select PM_GENERIC_DOMAINS select RENESAS_IRQC select SOC_BUS + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_TMU help This enables support for the ARMv8 based Renesas SoCs. +config ARCH_R8A774A1 + bool "Renesas RZ/G2M SoC Platform" + depends on ARCH_RENESAS + help + This enables support for the Renesas RZ/G2M SoC. + +config ARCH_R8A774C0 + bool "Renesas RZ/G2E SoC Platform" + depends on ARCH_RENESAS + help + This enables support for the Renesas RZ/G2E SoC. + config ARCH_R8A7795 bool "Renesas R-Car H3 SoC Platform" depends on ARCH_RENESAS @@ -229,11 +221,31 @@ config ARCH_R8A77995 help This enables support for the Renesas R-Car D3 SoC. +config ARCH_ROCKCHIP + bool "Rockchip Platforms" + select ARCH_HAS_RESET_CONTROLLER + select GPIOLIB + select PINCTRL + select PINCTRL_ROCKCHIP + select PM + select ROCKCHIP_TIMER + help + This enables support for the ARMv8 based Rockchip chipsets, + like the RK3368. + +config ARCH_SEATTLE + bool "AMD Seattle SoC Family" + help + This enables support for AMD Seattle SOC Family + config ARCH_STRATIX10 bool "Altera's Stratix 10 SoCFPGA Family" help This enables support for Altera's Stratix 10 SoCFPGA Family. +config ARCH_SYNQUACER + bool "Socionext SynQuacer SoC Family" + config ARCH_TEGRA bool "NVIDIA Tegra SoC Family" select ARCH_HAS_RESET_CONTROLLER |