diff options
Diffstat (limited to 'arch/arm')
58 files changed, 192 insertions, 2680 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index bb9f20accbb8..4c428dc999ea 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -273,7 +273,7 @@ config ARCH_INTEGRATOR select ARM_AMBA select ARCH_HAS_CPUFREQ select COMMON_CLK - select CLK_VERSATILE + select COMMON_CLK_VERSATILE select HAVE_TCM select ICST select GENERIC_CLOCKEVENTS @@ -289,13 +289,12 @@ config ARCH_INTEGRATOR config ARCH_REALVIEW bool "ARM Ltd. RealView family" select ARM_AMBA - select CLKDEV_LOOKUP - select HAVE_MACH_CLKDEV + select COMMON_CLK + select COMMON_CLK_VERSATILE select ICST select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB select PLAT_VERSATILE - select PLAT_VERSATILE_CLOCK select PLAT_VERSATILE_CLCD select ARM_TIMER_SP804 select GPIO_PL061 if GPIOLIB @@ -413,7 +412,7 @@ config ARCH_PRIMA2 select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select GENERIC_CLOCKEVENTS - select CLKDEV_LOOKUP + select COMMON_CLK select GENERIC_IRQ_CHIP select MIGHT_HAVE_CACHE_L2X0 select PINCTRL diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 81769c1341fa..bc67cbff3944 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -653,6 +653,7 @@ __armv7_mmu_cache_on: mcrne p15, 0, r0, c8, c7, 0 @ flush I,D TLBs #endif mrc p15, 0, r0, c1, c0, 0 @ read control reg + bic r0, r0, #1 << 28 @ clear SCTLR.TRE orr r0, r0, #0x5000 @ I-cache enable, RR cache replacement orr r0, r0, #0x003c @ write buffer #ifdef CONFIG_MMU diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 66389c1c6f62..7c95f76398de 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -104,6 +104,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioB: gpio@fffff600 { @@ -113,6 +114,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioC: gpio@fffff800 { @@ -122,6 +124,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; dbgu: serial@fffff200 { diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index b460d6ce9eb5..195019b7ca0e 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -95,6 +95,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioB: gpio@fffff400 { @@ -104,6 +105,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioC: gpio@fffff600 { @@ -113,6 +115,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioD: gpio@fffff800 { @@ -122,6 +125,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioE: gpio@fffffa00 { @@ -131,6 +135,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; dbgu: serial@ffffee00 { diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index bafa8806fc17..63751b1e744b 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -113,6 +113,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioB: gpio@fffff400 { @@ -122,6 +123,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioC: gpio@fffff600 { @@ -131,6 +133,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioD: gpio@fffff800 { @@ -140,6 +143,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioE: gpio@fffffa00 { @@ -149,6 +153,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; dbgu: serial@ffffee00 { diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index bfac0dfc332c..ef9336ae9614 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -107,6 +107,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioB: gpio@fffff600 { @@ -116,6 +117,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioC: gpio@fffff800 { @@ -125,6 +127,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioD: gpio@fffffa00 { @@ -134,6 +137,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; dbgu: serial@fffff200 { diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 4a18c393b136..8a387a8d61b7 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -115,6 +115,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioB: gpio@fffff600 { @@ -124,6 +125,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioC: gpio@fffff800 { @@ -133,6 +135,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; pioD: gpio@fffffa00 { @@ -142,6 +145,7 @@ #gpio-cells = <2>; gpio-controller; interrupt-controller; + #interrupt-cells = <2>; }; dbgu: serial@fffff200 { diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 0cab47d4a83f..2fde5fd1acce 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -404,6 +404,7 @@ #define __NR_setns (__NR_SYSCALL_BASE+375) #define __NR_process_vm_readv (__NR_SYSCALL_BASE+376) #define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) + /* 378 for kcmp */ /* * The following SWIs are ARM private. @@ -483,6 +484,7 @@ */ #define __IGNORE_fadvise64_64 #define __IGNORE_migrate_pages +#define __IGNORE_kcmp #endif /* __KERNEL__ */ #endif /* __ASM_ARM_UNISTD_H */ diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 2b2f25e7fef5..9cf16b83bbb5 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -270,15 +270,6 @@ static void __devinit pci_fixup_it8152(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152); - - -void __devinit pcibios_update_irq(struct pci_dev *dev, int irq) -{ - if (debug_pci) - printk("PCI: Assigning IRQ %02d to %s\n", irq, pci_name(dev)); - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); -} - /* * If the bus contains any of these devices, then we must not turn on * parity checking of any kind. Currently this is CyberPro 20x0 only. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 463ff4a0ec8a..e337879595e5 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -387,6 +387,7 @@ /* 375 */ CALL(sys_setns) CALL(sys_process_vm_readv) CALL(sys_process_vm_writev) + CALL(sys_ni_syscall) /* reserved for sys_kcmp */ #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index fef42b21cecb..e1f906989bb8 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/clk.h> -#include <linux/cpufreq.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> @@ -96,7 +95,52 @@ static void twd_timer_stop(struct clock_event_device *clk) disable_percpu_irq(clk->irq); } -#ifdef CONFIG_CPU_FREQ +#ifdef CONFIG_COMMON_CLK + +/* + * Updates clockevent frequency when the cpu frequency changes. + * Called on the cpu that is changing frequency with interrupts disabled. + */ +static void twd_update_frequency(void *new_rate) +{ + twd_timer_rate = *((unsigned long *) new_rate); + + clockevents_update_freq(*__this_cpu_ptr(twd_evt), twd_timer_rate); +} + +static int twd_rate_change(struct notifier_block *nb, + unsigned long flags, void *data) +{ + struct clk_notifier_data *cnd = data; + + /* + * The twd clock events must be reprogrammed to account for the new + * frequency. The timer is local to a cpu, so cross-call to the + * changing cpu. + */ + if (flags == POST_RATE_CHANGE) + smp_call_function(twd_update_frequency, + (void *)&cnd->new_rate, 1); + + return NOTIFY_OK; +} + +static struct notifier_block twd_clk_nb = { + .notifier_call = twd_rate_change, +}; + +static int twd_clk_init(void) +{ + if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk)) + return clk_notifier_register(twd_clk, &twd_clk_nb); + + return 0; +} +core_initcall(twd_clk_init); + +#elif defined (CONFIG_CPU_FREQ) + +#include <linux/cpufreq.h> /* * Updates clockevent frequency when the cpu frequency changes. diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c index 4431a62fff5b..d20d4795f4ea 100644 --- a/arch/arm/mach-imx/clk-imx25.c +++ b/arch/arm/mach-imx/clk-imx25.c @@ -241,6 +241,6 @@ int __init mx25_clocks_init(void) clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma"); clk_register_clkdev(clk[iim_ipg], "iim", NULL); - mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54); + mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), MX25_INT_GPT1); return 0; } diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c index 2c6ab3273f9e..5985ed1b8c98 100644 --- a/arch/arm/mach-imx/mach-armadillo5x0.c +++ b/arch/arm/mach-imx/mach-armadillo5x0.c @@ -526,7 +526,8 @@ static void __init armadillo5x0_init(void) imx31_add_mxc_nand(&armadillo5x0_nand_board_info); /* set NAND page size to 2k if not configured via boot mode pins */ - __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); + __raw_writel(__raw_readl(mx3_ccm_base + MXC_CCM_RCSR) | + (1 << 30), mx3_ccm_base + MXC_CCM_RCSR); /* RTC */ /* Get RTC IRQ and register the chip */ diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig index 7fddd01b85b9..d697d07a1bf0 100644 --- a/arch/arm/mach-mmp/Kconfig +++ b/arch/arm/mach-mmp/Kconfig @@ -108,18 +108,21 @@ endmenu config CPU_PXA168 bool select CPU_MOHAWK + select COMMON_CLK help Select code specific to PXA168 config CPU_PXA910 bool select CPU_MOHAWK + select COMMON_CLK help Select code specific to PXA910 config CPU_MMP2 bool select CPU_PJ4 + select COMMON_CLK help Select code specific to MMP2. MMP2 is ARMv7 compatible. diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 8dabfe81d07c..ff886e01a0b0 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -261,7 +261,7 @@ static void __init apx4devkit_init(void) enable_clk_enet_out(); if (IS_BUILTIN(CONFIG_PHYLIB)) - phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK, + phy_register_fixup_for_uid(PHY_ID_KSZ8051, MICREL_PHY_ID_MASK, apx4devkit_phy_fixup); mxsfb_pdata.mode_list = apx4devkit_video_modes; diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 0d362e9f9cb9..3d2a988e3d9a 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -32,6 +32,7 @@ #include <linux/spi/ads7846.h> #include <linux/i2c/twl.h> #include <linux/usb/otg.h> +#include <linux/usb/nop-usb-xceiv.h> #include <linux/smsc911x.h> #include <linux/wl12xx.h> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index afb60917a948..64b564f13d5b 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -5890,6 +5890,12 @@ static struct omap_hwmod_addr_space omap44xx_usb_otg_hs_addrs[] = { .pa_end = 0x4a0ab003, .flags = ADDR_TYPE_RT }, + { + /* XXX: Remove this once control module driver is in place */ + .pa_start = 0x4a00233c, + .pa_end = 0x4a00233f, + .flags = ADDR_TYPE_RT + }, { } }; diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index d52651a05daa..874aecc0faca 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -31,144 +31,6 @@ #include <plat/usb.h> #include "control.h" -/* OMAP control module register for UTMI PHY */ -#define CONTROL_DEV_CONF 0x300 -#define PHY_PD 0x1 - -#define USBOTGHS_CONTROL 0x33c -#define AVALID BIT(0) -#define BVALID BIT(1) -#define VBUSVALID BIT(2) -#define SESSEND BIT(3) -#define IDDIG BIT(4) - -static struct clk *phyclk, *clk48m, *clk32k; -static void __iomem *ctrl_base; -static int usbotghs_control; - -int omap4430_phy_init(struct device *dev) -{ - ctrl_base = ioremap(OMAP443X_SCM_BASE, SZ_1K); - if (!ctrl_base) { - pr_err("control module ioremap failed\n"); - return -ENOMEM; - } - /* Power down the phy */ - __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); - - if (!dev) { - iounmap(ctrl_base); - return 0; - } - - phyclk = clk_get(dev, "ocp2scp_usb_phy_ick"); - if (IS_ERR(phyclk)) { - dev_err(dev, "cannot clk_get ocp2scp_usb_phy_ick\n"); - iounmap(ctrl_base); - return PTR_ERR(phyclk); - } - - clk48m = clk_get(dev, "ocp2scp_usb_phy_phy_48m"); - if (IS_ERR(clk48m)) { - dev_err(dev, "cannot clk_get ocp2scp_usb_phy_phy_48m\n"); - clk_put(phyclk); - iounmap(ctrl_base); - return PTR_ERR(clk48m); - } - - clk32k = clk_get(dev, "usb_phy_cm_clk32k"); - if (IS_ERR(clk32k)) { - dev_err(dev, "cannot clk_get usb_phy_cm_clk32k\n"); - clk_put(phyclk); - clk_put(clk48m); - iounmap(ctrl_base); - return PTR_ERR(clk32k); - } - return 0; -} - -int omap4430_phy_set_clk(struct device *dev, int on) -{ - static int state; - - if (on && !state) { - /* Enable the phy clocks */ - clk_enable(phyclk); - clk_enable(clk48m); - clk_enable(clk32k); - state = 1; - } else if (state) { - /* Disable the phy clocks */ - clk_disable(phyclk); - clk_disable(clk48m); - clk_disable(clk32k); - state = 0; - } - return 0; -} - -int omap4430_phy_power(struct device *dev, int ID, int on) -{ - if (on) { - if (ID) - /* enable VBUS valid, IDDIG groung */ - __raw_writel(AVALID | VBUSVALID, ctrl_base + - USBOTGHS_CONTROL); - else - /* - * Enable VBUS Valid, AValid and IDDIG - * high impedance - */ - __raw_writel(IDDIG | AVALID | VBUSVALID, - ctrl_base + USBOTGHS_CONTROL); - } else { - /* Enable session END and IDIG to high impedance. */ - __raw_writel(SESSEND | IDDIG, ctrl_base + - USBOTGHS_CONTROL); - } - return 0; -} - -int omap4430_phy_suspend(struct device *dev, int suspend) -{ - if (suspend) { - /* Disable the clocks */ - omap4430_phy_set_clk(dev, 0); - /* Power down the phy */ - __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); - - /* save the context */ - usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL); - } else { - /* Enable the internel phy clcoks */ - omap4430_phy_set_clk(dev, 1); - /* power on the phy */ - if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) { - __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF); - mdelay(200); - } - - /* restore the context */ - __raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL); - } - - return 0; -} - -int omap4430_phy_exit(struct device *dev) -{ - if (ctrl_base) - iounmap(ctrl_base); - if (phyclk) - clk_put(phyclk); - if (clk48m) - clk_put(clk48m); - if (clk32k) - clk_put(clk32k); - - return 0; -} - void am35x_musb_reset(void) { u32 regval; diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index c1b93c752d70..9e80d209d138 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -81,8 +81,9 @@ static struct omap_uart_port_info omap_serial_default_info[] __initdata = { }; #ifdef CONFIG_PM -static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable) +static void omap_uart_enable_wakeup(struct device *dev, bool enable) { + struct platform_device *pdev = to_platform_device(dev); struct omap_device *od = to_omap_device(pdev); if (!od) @@ -99,15 +100,17 @@ static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable) * in Smartidle Mode When Configured for DMA Operations. * WA: configure uart in force idle mode. */ -static void omap_uart_set_noidle(struct platform_device *pdev) +static void omap_uart_set_noidle(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct omap_device *od = to_omap_device(pdev); omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO); } -static void omap_uart_set_smartidle(struct platform_device *pdev) +static void omap_uart_set_smartidle(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct omap_device *od = to_omap_device(pdev); u8 idlemode; @@ -120,10 +123,10 @@ static void omap_uart_set_smartidle(struct platform_device *pdev) } #else -static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable) +static void omap_uart_enable_wakeup(struct device *dev, bool enable) {} -static void omap_uart_set_noidle(struct platform_device *pdev) {} -static void omap_uart_set_smartidle(struct platform_device *pdev) {} +static void omap_uart_set_noidle(struct device *dev) {} +static void omap_uart_set_smartidle(struct device *dev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX @@ -304,6 +307,9 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, omap_up.dma_rx_timeout = info->dma_rx_timeout; omap_up.dma_rx_poll_rate = info->dma_rx_poll_rate; omap_up.autosuspend_timeout = info->autosuspend_timeout; + omap_up.DTR_gpio = info->DTR_gpio; + omap_up.DTR_inverted = info->DTR_inverted; + omap_up.DTR_present = info->DTR_present; pdata = &omap_up; pdata_size = sizeof(struct omap_uart_port_info); diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c index db5ff6642375..329b726012f3 100644 --- a/arch/arm/mach-omap2/twl-common.c +++ b/arch/arm/mach-omap2/twl-common.c @@ -251,11 +251,6 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data, #if defined(CONFIG_ARCH_OMAP4) static struct twl4030_usb_data omap4_usb_pdata = { - .phy_init = omap4430_phy_init, - .phy_exit = omap4430_phy_exit, - .phy_power = omap4430_phy_power, - .phy_set_clock = omap4430_phy_set_clk, - .phy_suspend = omap4430_phy_suspend, }; static struct regulator_init_data omap4_vdac_idata = { diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index c4a576856661..e9b4b234dc5f 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -117,7 +117,4 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) dev->dma_mask = &musb_dmamask; dev->coherent_dma_mask = musb_dmamask; put_device(dev); - - if (cpu_is_omap44xx()) - omap4430_phy_init(dev); } diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 410291c67666..a6cd14ab1e4e 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -204,6 +204,13 @@ void __init orion5x_wdt_init(void) void __init orion5x_init_early(void) { orion_time_set_base(TIMER_VIRT_BASE); + + /* + * Some Orion5x devices allocate their coherent buffers from atomic + * context. Increase size of atomic coherent pool to make sure such + * the allocations won't fail. + */ + init_dma_coherent_pool_size(SZ_1M); } int orion5x_tclk; diff --git a/arch/arm/mach-prima2/Makefile b/arch/arm/mach-prima2/Makefile index 13dd1604d951..841847d56032 100644 --- a/arch/arm/mach-prima2/Makefile +++ b/arch/arm/mach-prima2/Makefile @@ -1,6 +1,5 @@ obj-y := timer.o obj-y += irq.o -obj-y += clock.o obj-y += rstc.o obj-y += prima2.o obj-y += rtciobrg.o diff --git a/arch/arm/mach-prima2/clock.c b/arch/arm/mach-prima2/clock.c deleted file mode 100644 index aebad7e565cf..000000000000 --- a/arch/arm/mach-prima2/clock.c +++ /dev/null @@ -1,510 +0,0 @@ -/* - * Clock tree for CSR SiRFprimaII - * - * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - * - * Licensed under GPLv2 or later. - */ - -#include <linux/module.h> -#include <linux/bitops.h> -#include <linux/err.h> -#include <linux/errno.h> -#include <linux/io.h> -#include <linux/clkdev.h> -#include <linux/clk.h> -#include <linux/spinlock.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <asm/mach/map.h> -#include <mach/map.h> - -#define SIRFSOC_CLKC_CLK_EN0 0x0000 -#define SIRFSOC_CLKC_CLK_EN1 0x0004 -#define SIRFSOC_CLKC_REF_CFG 0x0014 -#define SIRFSOC_CLKC_CPU_CFG 0x0018 -#define SIRFSOC_CLKC_MEM_CFG 0x001c -#define SIRFSOC_CLKC_SYS_CFG 0x0020 -#define SIRFSOC_CLKC_IO_CFG 0x0024 -#define SIRFSOC_CLKC_DSP_CFG 0x0028 -#define SIRFSOC_CLKC_GFX_CFG 0x002c -#define SIRFSOC_CLKC_MM_CFG 0x0030 -#define SIRFSOC_LKC_LCD_CFG 0x0034 -#define SIRFSOC_CLKC_MMC_CFG 0x0038 -#define SIRFSOC_CLKC_PLL1_CFG0 0x0040 -#define SIRFSOC_CLKC_PLL2_CFG0 0x0044 -#define SIRFSOC_CLKC_PLL3_CFG0 0x0048 -#define SIRFSOC_CLKC_PLL1_CFG1 0x004c -#define SIRFSOC_CLKC_PLL2_CFG1 0x0050 -#define SIRFSOC_CLKC_PLL3_CFG1 0x0054 -#define SIRFSOC_CLKC_PLL1_CFG2 0x0058 -#define SIRFSOC_CLKC_PLL2_CFG2 0x005c -#define SIRFSOC_CLKC_PLL3_CFG2 0x0060 - -#define SIRFSOC_CLOCK_VA_BASE SIRFSOC_VA(0x005000) - -#define KHZ 1000 -#define MHZ (KHZ * KHZ) - -struct clk_ops { - unsigned long (*get_rate)(struct clk *clk); - long (*round_rate)(struct clk *clk, unsigned long rate); - int (*set_rate)(struct clk *clk, unsigned long rate); - int (*enable)(struct clk *clk); - int (*disable)(struct clk *clk); - struct clk *(*get_parent)(struct clk *clk); - int (*set_parent)(struct clk *clk, struct clk *parent); -}; - -struct clk { - struct clk *parent; /* parent clk */ - unsigned long rate; /* clock rate in Hz */ - signed char usage; /* clock enable count */ - signed char enable_bit; /* enable bit: 0 ~ 63 */ - unsigned short regofs; /* register offset */ - struct clk_ops *ops; /* clock operation */ -}; - -static DEFINE_SPINLOCK(clocks_lock); - -static inline unsigned long clkc_readl(unsigned reg) -{ - return readl(SIRFSOC_CLOCK_VA_BASE + reg); -} - -static inline void clkc_writel(u32 val, unsigned reg) -{ - writel(val, SIRFSOC_CLOCK_VA_BASE + reg); -} - -/* - * osc_rtc - real time oscillator - 32.768KHz - * osc_sys - high speed oscillator - 26MHz - */ - -static struct clk clk_rtc = { - .rate = 32768, -}; - -static struct clk clk_osc = { - .rate = 26 * MHZ, -}; - -/* - * std pll - */ -static unsigned long std_pll_get_rate(struct clk *clk) -{ - unsigned long fin = clk_get_rate(clk->parent); - u32 regcfg2 = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 - - SIRFSOC_CLKC_PLL1_CFG0; - - if (clkc_readl(regcfg2) & BIT(2)) { - /* pll bypass mode */ - clk->rate = fin; - } else { - /* fout = fin * nf / nr / od */ - u32 cfg0 = clkc_readl(clk->regofs); - u32 nf = (cfg0 & (BIT(13) - 1)) + 1; - u32 nr = ((cfg0 >> 13) & (BIT(6) - 1)) + 1; - u32 od = ((cfg0 >> 19) & (BIT(4) - 1)) + 1; - WARN_ON(fin % MHZ); - clk->rate = fin / MHZ * nf / nr / od * MHZ; - } - - return clk->rate; -} - -static int std_pll_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long fin, nf, nr, od, reg; - - /* - * fout = fin * nf / (nr * od); - * set od = 1, nr = fin/MHz, so fout = nf * MHz - */ - - nf = rate / MHZ; - if (unlikely((rate % MHZ) || nf > BIT(13) || nf < 1)) - return -EINVAL; - - fin = clk_get_rate(clk->parent); - BUG_ON(fin < MHZ); - - nr = fin / MHZ; - BUG_ON((fin % MHZ) || nr > BIT(6)); - - od = 1; - - reg = (nf - 1) | ((nr - 1) << 13) | ((od - 1) << 19); - clkc_writel(reg, clk->regofs); - - reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG1 - SIRFSOC_CLKC_PLL1_CFG0; - clkc_writel((nf >> 1) - 1, reg); - - reg = clk->regofs + SIRFSOC_CLKC_PLL1_CFG2 - SIRFSOC_CLKC_PLL1_CFG0; - while (!(clkc_readl(reg) & BIT(6))) - cpu_relax(); - - clk->rate = 0; /* set to zero will force recalculation */ - return 0; -} - -static struct clk_ops std_pll_ops = { - .get_rate = std_pll_get_rate, - .set_rate = std_pll_set_rate, -}; - -static struct clk clk_pll1 = { - .parent = &clk_osc, - .regofs = SIRFSOC_CLKC_PLL1_CFG0, - .ops = &std_pll_ops, -}; - -static struct clk clk_pll2 = { - .parent = &clk_osc, - .regofs = SIRFSOC_CLKC_PLL2_CFG0, - .ops = &std_pll_ops, -}; - -static struct clk clk_pll3 = { - .parent = &clk_osc, - .regofs = SIRFSOC_CLKC_PLL3_CFG0, - .ops = &std_pll_ops, -}; - -/* - * clock domains - cpu, mem, sys/io - */ - -static struct clk clk_mem; - -static struct clk *dmn_get_parent(struct clk *clk) -{ - struct clk *clks[] = { - &clk_osc, &clk_rtc, &clk_pll1, &clk_pll2, &clk_pll3 - }; - u32 cfg = clkc_readl(clk->regofs); - WARN_ON((cfg & (BIT(3) - 1)) > 4); - return clks[cfg & (BIT(3) - 1)]; -} - -static int dmn_set_parent(struct clk *clk, struct clk *parent) -{ - const struct clk *clks[] = { - &clk_osc, &clk_rtc, &clk_pll1, &clk_pll2, &clk_pll3 - }; - u32 cfg = clkc_readl(clk->regofs); - int i; - for (i = 0; i < ARRAY_SIZE(clks); i++) { - if (clks[i] == parent) { - cfg &= ~(BIT(3) - 1); - clkc_writel(cfg | i, clk->regofs); - /* BIT(3) - switching status: 1 - busy, 0 - done */ - while (clkc_readl(clk->regofs) & BIT(3)) - cpu_relax(); - return 0; - } - } - return -EINVAL; -} - -static unsigned long dmn_get_rate(struct clk *clk) -{ - unsigned long fin = clk_get_rate(clk->parent); - u32 cfg = clkc_readl(clk->regofs); - if (cfg & BIT(24)) { - /* fcd bypass mode */ - clk->rate = fin; - } else { - /* - * wait count: bit[19:16], hold count: bit[23:20] - */ - u32 wait = (cfg >> 16) & (BIT(4) - 1); - u32 hold = (cfg >> 20) & (BIT(4) - 1); - - clk->rate = fin / (wait + hold + 2); - } - - return clk->rate; -} - -static int dmn_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long fin; - unsigned ratio, wait, hold, reg; - unsigned bits = (clk == &clk_mem) ? 3 : 4; - - fin = clk_get_rate(clk->parent); - ratio = fin / rate; - - if (unlikely(ratio < 2 || ratio > BIT(bits + 1))) - return -EINVAL; - - WARN_ON(fin % rate); - - wait = (ratio >> 1) - 1; - hold = ratio - wait - 2; - - reg = clkc_readl(clk->regofs); - reg &= ~(((BIT(bits) - 1) << 16) | ((BIT(bits) - 1) << 20)); - reg |= (wait << 16) | (hold << 20) | BIT(25); - clkc_writel(reg, clk->regofs); - - /* waiting FCD been effective */ - while (clkc_readl(clk->regofs) & BIT(25)) - cpu_relax(); - - clk->rate = 0; /* set to zero will force recalculation */ - - return 0; -} - -/* - * cpu clock has no FCD register in Prima2, can only change pll - */ -static int cpu_set_rate(struct clk *clk, unsigned long rate) -{ - int ret1, ret2; - struct clk *cur_parent, *tmp_parent; - - cur_parent = dmn_get_parent(clk); - BUG_ON(cur_parent == NULL || cur_parent->usage > 1); - - /* switch to tmp pll before setting parent clock's rate */ - tmp_parent = cur_parent == &clk_pll1 ? &clk_pll2 : &clk_pll1; - ret1 = dmn_set_parent(clk, tmp_parent); - BUG_ON(ret1); - - ret2 = clk_set_rate(cur_parent, rate); - - ret1 = dmn_set_parent(clk, cur_parent); - - clk->rate = 0; /* set to zero will force recalculation */ - - return ret2 ? ret2 : ret1; -} - -static struct clk_ops cpu_ops = { - .get_parent = dmn_get_parent, - .set_parent = dmn_set_parent, - .set_rate = cpu_set_rate, -}; - -static struct clk clk_cpu = { - .parent = &clk_pll1, - .regofs = SIRFSOC_CLKC_CPU_CFG, - .ops = &cpu_ops, -}; - - -static struct clk_ops msi_ops = { - .set_rate = dmn_set_rate, - .get_rate = dmn_get_rate, - .set_parent = dmn_set_parent, - .get_parent = dmn_get_parent, -}; - -static struct clk clk_mem = { - .parent = &clk_pll2, - .regofs = SIRFSOC_CLKC_MEM_CFG, - .ops = &msi_ops, -}; - -static struct clk clk_sys = { - .parent = &clk_pll3, - .regofs = SIRFSOC_CLKC_SYS_CFG, - .ops = &msi_ops, -}; - -static struct clk clk_io = { - .parent = &clk_pll3, - .regofs = SIRFSOC_CLKC_IO_CFG, - .ops = &msi_ops, -}; - -/* - * on-chip clock sets - */ -static struct clk_lookup onchip_clks[] = { - { - .dev_id = "rtc", - .clk = &clk_rtc, - }, { - .dev_id = "osc", - .clk = &clk_osc, - }, { - .dev_id = "pll1", - .clk = &clk_pll1, - }, { - .dev_id = "pll2", - .clk = &clk_pll2, - }, { - .dev_id = "pll3", - .clk = &clk_pll3, - }, { - .dev_id = "cpu", - .clk = &clk_cpu, - }, { - .dev_id = "mem", - .clk = &clk_mem, - }, { - .dev_id = "sys", - .clk = &clk_sys, - }, { - .dev_id = "io", - .clk = &clk_io, - }, -}; - -int clk_enable(struct clk *clk) -{ - unsigned long flags; - - if (unlikely(IS_ERR_OR_NULL(clk))) - return -EINVAL; - - if (clk->parent) - clk_enable(clk->parent); - - spin_lock_irqsave(&clocks_lock, flags); - if (!clk->usage++ && clk->ops && clk->ops->enable) - clk->ops->enable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ - unsigned long flags; - - if (unlikely(IS_ERR_OR_NULL(clk))) - return; - - WARN_ON(!clk->usage); - - spin_lock_irqsave(&clocks_lock, flags); - if (--clk->usage == 0 && clk->ops && clk->ops->disable) - clk->ops->disable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); - - if (clk->parent) - clk_disable(clk->parent); -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - if (unlikely(IS_ERR_OR_NULL(clk))) - return 0; - - if (clk->rate) - return clk->rate; - - if (clk->ops && clk->ops->get_rate) - return clk->ops->get_rate(clk); - - return clk_get_rate(clk->parent); -} -EXPORT_SYMBOL(clk_get_rate); - -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - if (unlikely(IS_ERR_OR_NULL(clk))) - return 0; - - if (clk->ops && clk->ops->round_rate) - return clk->ops->round_rate(clk, rate); - - return 0; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - if (unlikely(IS_ERR_OR_NULL(clk))) - return -EINVAL; - - if (!clk->ops || !clk->ops->set_rate) - return -EINVAL; - - return clk->ops->set_rate(clk, rate); -} -EXPORT_SYMBOL(clk_set_rate); - -int clk_set_parent(struct clk *clk, struct clk *parent) -{ - int ret; - unsigned long flags; - - if (unlikely(IS_ERR_OR_NULL(clk))) - return -EINVAL; - - if (!clk->ops || !clk->ops->set_parent) - return -EINVAL; - - spin_lock_irqsave(&clocks_lock, flags); - ret = clk->ops->set_parent(clk, parent); - if (!ret) { - parent->usage += clk->usage; - clk->parent->usage -= clk->usage; - BUG_ON(clk->parent->usage < 0); - clk->parent = parent; - } - spin_unlock_irqrestore(&clocks_lock, flags); - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *clk) -{ - unsigned long flags; - - if (unlikely(IS_ERR_OR_NULL(clk))) - return NULL; - - if (!clk->ops || !clk->ops->get_parent) - return clk->parent; - - spin_lock_irqsave(&clocks_lock, flags); - clk->parent = clk->ops->get_parent(clk); - spin_unlock_irqrestore(&clocks_lock, flags); - return clk->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -static void __init sirfsoc_clk_init(void) -{ - clkdev_add_table(onchip_clks, ARRAY_SIZE(onchip_clks)); -} - -static struct of_device_id clkc_ids[] = { - { .compatible = "sirf,prima2-clkc" }, - {}, -}; - -void __init sirfsoc_of_clk_init(void) -{ - struct device_node *np; - struct resource res; - struct map_desc sirfsoc_clkc_iodesc = { - .virtual = SIRFSOC_CLOCK_VA_BASE, - .type = MT_DEVICE, - }; - - np = of_find_matching_node(NULL, clkc_ids); - if (!np) - panic("unable to find compatible clkc node in dtb\n"); - - if (of_address_to_resource(np, 0, &res)) - panic("unable to find clkc range in dtb"); - of_node_put(np); - - sirfsoc_clkc_iodesc.pfn = __phys_to_pfn(res.start); - sirfsoc_clkc_iodesc.length = 1 + res.end - res.start; - - iotable_init(&sirfsoc_clkc_iodesc, 1); - - sirfsoc_clk_init(); -} diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c index 8f0429d4b79f..e9a17aebe0d6 100644 --- a/arch/arm/mach-prima2/prima2.c +++ b/arch/arm/mach-prima2/prima2.c @@ -38,7 +38,6 @@ static const char *prima2cb_dt_match[] __initdata = { MACHINE_START(PRIMA2_EVB, "prima2cb") /* Maintainer: Barry Song <baohua.song@csr.com> */ .atag_offset = 0x100, - .init_early = sirfsoc_of_clk_init, .map_io = sirfsoc_map_lluart, .init_irq = sirfsoc_of_irq_init, .timer = &sirfsoc_timer, diff --git a/arch/arm/mach-prima2/timer.c b/arch/arm/mach-prima2/timer.c index f224107de7bc..d95bf252f694 100644 --- a/arch/arm/mach-prima2/timer.c +++ b/arch/arm/mach-prima2/timer.c @@ -21,6 +21,8 @@ #include <asm/sched_clock.h> #include <asm/mach/time.h> +#include "common.h" + #define SIRFSOC_TIMER_COUNTER_LO 0x0000 #define SIRFSOC_TIMER_COUNTER_HI 0x0004 #define SIRFSOC_TIMER_MATCH_0 0x0008 @@ -188,9 +190,13 @@ static void __init sirfsoc_clockevent_init(void) static void __init sirfsoc_timer_init(void) { unsigned long rate; + struct clk *clk; + + /* initialize clocking early, we want to set the OS timer */ + sirfsoc_of_clk_init(); /* timer's input clock is io clock */ - struct clk *clk = clk_get_sys("io", NULL); + clk = clk_get_sys("io", NULL); BUG_ON(IS_ERR(clk)); diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c index 30b1b0b3c7f7..0701ca79e7d3 100644 --- a/arch/arm/mach-pxa/stargate2.c +++ b/arch/arm/mach-pxa/stargate2.c @@ -52,7 +52,7 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/mfd/da903x.h> -#include <linux/sht15.h> +#include <linux/platform_data/sht15.h> #include "devices.h" #include "generic.h" diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 45868bb43cbd..ff007d15e0ec 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -30,7 +30,6 @@ #include <linux/ata_platform.h> #include <linux/amba/mmci.h> #include <linux/gfp.h> -#include <linux/clkdev.h> #include <linux/mtd/physmap.h> #include <mach/hardware.h> @@ -226,115 +225,10 @@ struct mmci_platform_data realview_mmc1_plat_data = { .cd_invert = true, }; -/* - * Clock handling - */ -static const struct icst_params realview_oscvco_params = { - .ref = 24000000, - .vco_max = ICST307_VCO_MAX, - .vco_min = ICST307_VCO_MIN, - .vd_min = 4 + 8, - .vd_max = 511 + 8, - .rd_min = 1 + 2, - .rd_max = 127 + 2, - .s2div = icst307_s2div, - .idx2s = icst307_idx2s, -}; - -static void realview_oscvco_set(struct clk *clk, struct icst_vco vco) -{ - void __iomem *sys_lock = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LOCK_OFFSET; - u32 val; - - val = readl(clk->vcoreg) & ~0x7ffff; - val |= vco.v | (vco.r << 9) | (vco.s << 16); - - writel(0xa05f, sys_lock); - writel(val, clk->vcoreg); - writel(0, sys_lock); -} - -static const struct clk_ops oscvco_clk_ops = { - .round = icst_clk_round, - .set = icst_clk_set, - .setvco = realview_oscvco_set, -}; - -static struct clk oscvco_clk = { - .ops = &oscvco_clk_ops, - .params = &realview_oscvco_params, -}; - -/* - * These are fixed clocks. - */ -static struct clk ref24_clk = { - .rate = 24000000, -}; - -static struct clk sp804_clk = { - .rate = 1000000, -}; - -static struct clk dummy_apb_pclk; - -static struct clk_lookup lookups[] = { - { /* Bus clock */ - .con_id = "apb_pclk", - .clk = &dummy_apb_pclk, - }, { /* UART0 */ - .dev_id = "dev:uart0", - .clk = &ref24_clk, - }, { /* UART1 */ - .dev_id = "dev:uart1", - .clk = &ref24_clk, - }, { /* UART2 */ - .dev_id = "dev:uart2", - .clk = &ref24_clk, - }, { /* UART3 */ - .dev_id = "fpga:uart3", - .clk = &ref24_clk, - }, { /* UART3 is on the dev chip in PB1176 */ - .dev_id = "dev:uart3", - .clk = &ref24_clk, - }, { /* UART4 only exists in PB1176 */ - .dev_id = "fpga:uart4", - .clk = &ref24_clk, - }, { /* KMI0 */ - .dev_id = "fpga:kmi0", - .clk = &ref24_clk, - }, { /* KMI1 */ - .dev_id = "fpga:kmi1", - .clk = &ref24_clk, - }, { /* MMC0 */ - .dev_id = "fpga:mmc0", - .clk = &ref24_clk, - }, { /* CLCD is in the PB1176 and EB DevChip */ - .dev_id = "dev:clcd", - .clk = &oscvco_clk, - }, { /* PB:CLCD */ - .dev_id = "issp:clcd", - .clk = &oscvco_clk, - }, { /* SSP */ - .dev_id = "dev:ssp0", - .clk = &ref24_clk, - }, { /* SP804 timers */ - .dev_id = "sp804", - .clk = &sp804_clk, - }, -}; - void __init realview_init_early(void) { void __iomem *sys = __io_address(REALVIEW_SYS_BASE); - if (machine_is_realview_pb1176()) - oscvco_clk.vcoreg = sys + REALVIEW_SYS_OSC0_OFFSET; - else - oscvco_clk.vcoreg = sys + REALVIEW_SYS_OSC4_OFFSET; - - clkdev_add_table(lookups, ARRAY_SIZE(lookups)); - versatile_sched_clock_init(sys + REALVIEW_SYS_24MHz_OFFSET, 24000000); } diff --git a/arch/arm/mach-realview/include/mach/clkdev.h b/arch/arm/mach-realview/include/mach/clkdev.h deleted file mode 100644 index e58d0771b64e..000000000000 --- a/arch/arm/mach-realview/include/mach/clkdev.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __ASM_MACH_CLKDEV_H -#define __ASM_MACH_CLKDEV_H - -#include <plat/clock.h> - -struct clk { - unsigned long rate; - const struct clk_ops *ops; - const struct icst_params *params; - void __iomem *vcoreg; -}; - -#define __clk_get(clk) ({ 1; }) -#define __clk_put(clk) do { } while (0) - -#endif diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index baf382c5e776..a33e33b76733 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -27,6 +27,7 @@ #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> #include <linux/io.h> +#include <linux/platform_data/clk-realview.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -414,6 +415,7 @@ static void __init realview_eb_timer_init(void) else timer_irq = IRQ_EB_TIMER0_1; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(timer_irq); realview_eb_twd_init(); } diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index b1d7cafa1a6d..f0298cbc203e 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -29,6 +29,7 @@ #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> #include <linux/io.h> +#include <linux/platform_data/clk-realview.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -326,6 +327,7 @@ static void __init realview_pb1176_timer_init(void) timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), true); realview_timer_init(IRQ_DC1176_TIMER0); } diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index a98c536e3327..1f019f76f7b5 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -27,6 +27,7 @@ #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> #include <linux/io.h> +#include <linux/platform_data/clk-realview.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -312,6 +313,7 @@ static void __init realview_pb11mp_timer_init(void) timer2_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PB11MP_TIMER2_3_BASE) + 0x20; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(IRQ_TC11MP_TIMER0_1); realview_pb11mp_twd_init(); } diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index 59650174e6ed..5032775dbfee 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -27,6 +27,7 @@ #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> #include <linux/io.h> +#include <linux/platform_data/clk-realview.h> #include <asm/irq.h> #include <asm/leds.h> @@ -261,6 +262,7 @@ static void __init realview_pba8_timer_init(void) timer2_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PBA8_TIMER2_3_BASE) + 0x20; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(IRQ_PBA8_TIMER0_1); } diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index 3f2f605624e9..de64ba0ddb95 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -26,6 +26,7 @@ #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> #include <linux/io.h> +#include <linux/platform_data/clk-realview.h> #include <asm/irq.h> #include <asm/leds.h> @@ -320,6 +321,7 @@ static void __init realview_pbx_timer_init(void) timer2_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE); timer3_va_base = __io_address(REALVIEW_PBX_TIMER2_3_BASE) + 0x20; + realview_clk_init(__io_address(REALVIEW_SYS_BASE), false); realview_timer_init(IRQ_PBX_TIMER0_1); realview_pbx_twd_init(); } diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 53b7ea92c32c..3b8a0171c3cb 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -346,11 +346,11 @@ static struct resource sh_mmcif_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = gic_spi(141), + .start = gic_spi(140), .flags = IORESOURCE_IRQ, }, [2] = { - .start = gic_spi(140), + .start = gic_spi(141), .flags = IORESOURCE_IRQ, }, }; diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index c3d7303b9ac8..0e82b7f34fc1 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -21,7 +21,6 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o obj-$(CONFIG_CPU_FREQ) += cpu-tegra.o obj-$(CONFIG_TEGRA_PCI) += pcie.o -obj-$(CONFIG_USB_SUPPORT) += usb_phy.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += board-dt-tegra20.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += board-dt-tegra30.o diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index b7344beec102..94486e7e9dfd 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -67,6 +67,13 @@ static struct regulator_init_data ldo0_data = { }, \ } +static struct regulator_init_data sys_data = { + .supply_regulator = "vdd_5v0", + .constraints = { + .name = "vdd_sys", + }, +}; + HARMONY_REGULATOR_INIT(sm0, "vdd_sm0", "vdd_sys", 725, 1500, 1); HARMONY_REGULATOR_INIT(sm1, "vdd_sm1", "vdd_sys", 725, 1500, 1); HARMONY_REGULATOR_INIT(sm2, "vdd_sm2", "vdd_sys", 3000, 4550, 1); @@ -74,7 +81,7 @@ HARMONY_REGULATOR_INIT(ldo1, "vdd_ldo1", "vdd_sm2", 725, 1500, 1); HARMONY_REGULATOR_INIT(ldo2, "vdd_ldo2", "vdd_sm2", 725, 1500, 0); HARMONY_REGULATOR_INIT(ldo3, "vdd_ldo3", "vdd_sm2", 1250, 3300, 1); HARMONY_REGULATOR_INIT(ldo4, "vdd_ldo4", "vdd_sm2", 1700, 2475, 1); -HARMONY_REGULATOR_INIT(ldo5, "vdd_ldo5", NULL, 1250, 3300, 1); +HARMONY_REGULATOR_INIT(ldo5, "vdd_ldo5", "vdd_sys", 1250, 3300, 1); HARMONY_REGULATOR_INIT(ldo6, "vdd_ldo6", "vdd_sm2", 1250, 3300, 0); HARMONY_REGULATOR_INIT(ldo7, "vdd_ldo7", "vdd_sm2", 1250, 3300, 0); HARMONY_REGULATOR_INIT(ldo8, "vdd_ldo8", "vdd_sm2", 1250, 3300, 0); @@ -88,6 +95,7 @@ HARMONY_REGULATOR_INIT(ldo9, "vdd_ldo9", "vdd_sm2", 1250, 3300, 1); } static struct tps6586x_subdev_info tps_devs[] = { + TPS_REG(SYS, &sys_data), TPS_REG(SM_0, &sm0_data), TPS_REG(SM_1, &sm1_data), TPS_REG(SM_2, &sm2_data), @@ -120,7 +128,7 @@ static struct i2c_board_info __initdata harmony_regulators[] = { int __init harmony_regulator_init(void) { - regulator_register_always_on(0, "vdd_sys", + regulator_register_always_on(0, "vdd_5v0", NULL, 0, 5000000); if (machine_is_harmony()) { diff --git a/arch/arm/mach-tegra/devices.c b/arch/arm/mach-tegra/devices.c index c70e65ffa36b..d8ab76276397 100644 --- a/arch/arm/mach-tegra/devices.c +++ b/arch/arm/mach-tegra/devices.c @@ -27,7 +27,7 @@ #include <mach/irqs.h> #include <mach/iomap.h> #include <mach/dma.h> -#include <mach/usb_phy.h> +#include <linux/usb/tegra_usb_phy.h> #include "gpio-names.h" #include "devices.h" diff --git a/arch/arm/mach-tegra/devices.h b/arch/arm/mach-tegra/devices.h index 4f5052726495..906a61f340c8 100644 --- a/arch/arm/mach-tegra/devices.h +++ b/arch/arm/mach-tegra/devices.h @@ -22,7 +22,7 @@ #include <linux/platform_device.h> #include <linux/platform_data/tegra_usb.h> -#include <mach/usb_phy.h> +#include <linux/usb/tegra_usb_phy.h> extern struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config; diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h deleted file mode 100644 index 935ce9f65590..000000000000 --- a/arch/arm/mach-tegra/include/mach/usb_phy.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * arch/arm/mach-tegra/include/mach/usb_phy.h - * - * Copyright (C) 2010 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#ifndef __MACH_USB_PHY_H -#define __MACH_USB_PHY_H - -#include <linux/clk.h> -#include <linux/usb/otg.h> - -struct tegra_utmip_config { - u8 hssync_start_delay; - u8 elastic_limit; - u8 idle_wait_delay; - u8 term_range_adj; - u8 xcvr_setup; - u8 xcvr_lsfslew; - u8 xcvr_lsrslew; -}; - -struct tegra_ulpi_config { - int reset_gpio; - const char *clk; -}; - -enum tegra_usb_phy_port_speed { - TEGRA_USB_PHY_PORT_SPEED_FULL = 0, - TEGRA_USB_PHY_PORT_SPEED_LOW, - TEGRA_USB_PHY_PORT_SPEED_HIGH, -}; - -enum tegra_usb_phy_mode { - TEGRA_USB_PHY_MODE_DEVICE, - TEGRA_USB_PHY_MODE_HOST, -}; - -struct tegra_xtal_freq; - -struct tegra_usb_phy { - int instance; - const struct tegra_xtal_freq *freq; - void __iomem *regs; - void __iomem *pad_regs; - struct clk *clk; - struct clk *pll_u; - struct clk *pad_clk; - enum tegra_usb_phy_mode mode; - void *config; - struct usb_phy *ulpi; -}; - -struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, - void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode); - -int tegra_usb_phy_power_on(struct tegra_usb_phy *phy); - -void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy); - -void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy); - -void tegra_usb_phy_power_off(struct tegra_usb_phy *phy); - -void tegra_usb_phy_preresume(struct tegra_usb_phy *phy); - -void tegra_usb_phy_postresume(struct tegra_usb_phy *phy); - -void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy, - enum tegra_usb_phy_port_speed port_speed); - -void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy); - -void tegra_usb_phy_close(struct tegra_usb_phy *phy); - -#endif /* __MACH_USB_PHY_H */ diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index d3ad5150d660..c25a2a4f2e3d 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -367,17 +367,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf1, tegra_pcie_fixup_class); /* Tegra PCIE requires relaxed ordering */ static void __devinit tegra_pcie_relax_enable(struct pci_dev *dev) { - u16 val16; - int pos = pci_find_capability(dev, PCI_CAP_ID_EXP); - - if (pos <= 0) { - dev_err(&dev->dev, "skipping relaxed ordering fixup\n"); - return; - } - - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &val16); - val16 |= PCI_EXP_DEVCTL_RELAX_EN; - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, val16); + pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN); } DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_relax_enable); diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c deleted file mode 100644 index 022b33a05c3a..000000000000 --- a/arch/arm/mach-tegra/usb_phy.c +++ /dev/null @@ -1,817 +0,0 @@ -/* - * arch/arm/mach-tegra/usb_phy.c - * - * Copyright (C) 2010 Google, Inc. - * - * Author: - * Erik Gilling <konkers@google.com> - * Benoit Goby <benoit@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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/resource.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/export.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> -#include <linux/usb/otg.h> -#include <linux/usb/ulpi.h> -#include <asm/mach-types.h> -#include <mach/gpio-tegra.h> -#include <mach/usb_phy.h> -#include <mach/iomap.h> - -#define ULPI_VIEWPORT 0x170 - -#define USB_PORTSC1 0x184 -#define USB_PORTSC1_PTS(x) (((x) & 0x3) << 30) -#define USB_PORTSC1_PSPD(x) (((x) & 0x3) << 26) -#define USB_PORTSC1_PHCD (1 << 23) -#define USB_PORTSC1_WKOC (1 << 22) -#define USB_PORTSC1_WKDS (1 << 21) -#define USB_PORTSC1_WKCN (1 << 20) -#define USB_PORTSC1_PTC(x) (((x) & 0xf) << 16) -#define USB_PORTSC1_PP (1 << 12) -#define USB_PORTSC1_SUSP (1 << 7) -#define USB_PORTSC1_PE (1 << 2) -#define USB_PORTSC1_CCS (1 << 0) - -#define USB_SUSP_CTRL 0x400 -#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3) -#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4) -#define USB_SUSP_CLR (1 << 5) -#define USB_PHY_CLK_VALID (1 << 7) -#define UTMIP_RESET (1 << 11) -#define UHSIC_RESET (1 << 11) -#define UTMIP_PHY_ENABLE (1 << 12) -#define ULPI_PHY_ENABLE (1 << 13) -#define USB_SUSP_SET (1 << 14) -#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16) - -#define USB1_LEGACY_CTRL 0x410 -#define USB1_NO_LEGACY_MODE (1 << 0) -#define USB1_VBUS_SENSE_CTL_MASK (3 << 1) -#define USB1_VBUS_SENSE_CTL_VBUS_WAKEUP (0 << 1) -#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP \ - (1 << 1) -#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD (2 << 1) -#define USB1_VBUS_SENSE_CTL_A_SESS_VLD (3 << 1) - -#define ULPI_TIMING_CTRL_0 0x424 -#define ULPI_OUTPUT_PINMUX_BYP (1 << 10) -#define ULPI_CLKOUT_PINMUX_BYP (1 << 11) - -#define ULPI_TIMING_CTRL_1 0x428 -#define ULPI_DATA_TRIMMER_LOAD (1 << 0) -#define ULPI_DATA_TRIMMER_SEL(x) (((x) & 0x7) << 1) -#define ULPI_STPDIRNXT_TRIMMER_LOAD (1 << 16) -#define ULPI_STPDIRNXT_TRIMMER_SEL(x) (((x) & 0x7) << 17) -#define ULPI_DIR_TRIMMER_LOAD (1 << 24) -#define ULPI_DIR_TRIMMER_SEL(x) (((x) & 0x7) << 25) - -#define UTMIP_PLL_CFG1 0x804 -#define UTMIP_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0) -#define UTMIP_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27) - -#define UTMIP_XCVR_CFG0 0x808 -#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0) -#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8) -#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10) -#define UTMIP_FORCE_PD_POWERDOWN (1 << 14) -#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16) -#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18) -#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25) - -#define UTMIP_BIAS_CFG0 0x80c -#define UTMIP_OTGPD (1 << 11) -#define UTMIP_BIASPD (1 << 10) - -#define UTMIP_HSRX_CFG0 0x810 -#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10) -#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15) - -#define UTMIP_HSRX_CFG1 0x814 -#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1) - -#define UTMIP_TX_CFG0 0x820 -#define UTMIP_FS_PREABMLE_J (1 << 19) -#define UTMIP_HS_DISCON_DISABLE (1 << 8) - -#define UTMIP_MISC_CFG0 0x824 -#define UTMIP_DPDM_OBSERVE (1 << 26) -#define UTMIP_DPDM_OBSERVE_SEL(x) (((x) & 0xf) << 27) -#define UTMIP_DPDM_OBSERVE_SEL_FS_J UTMIP_DPDM_OBSERVE_SEL(0xf) -#define UTMIP_DPDM_OBSERVE_SEL_FS_K UTMIP_DPDM_OBSERVE_SEL(0xe) -#define UTMIP_DPDM_OBSERVE_SEL_FS_SE1 UTMIP_DPDM_OBSERVE_SEL(0xd) -#define UTMIP_DPDM_OBSERVE_SEL_FS_SE0 UTMIP_DPDM_OBSERVE_SEL(0xc) -#define UTMIP_SUSPEND_EXIT_ON_EDGE (1 << 22) - -#define UTMIP_MISC_CFG1 0x828 -#define UTMIP_PLL_ACTIVE_DLY_COUNT(x) (((x) & 0x1f) << 18) -#define UTMIP_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 6) - -#define UTMIP_DEBOUNCE_CFG0 0x82c -#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0) - -#define UTMIP_BAT_CHRG_CFG0 0x830 -#define UTMIP_PD_CHRG (1 << 0) - -#define UTMIP_SPARE_CFG0 0x834 -#define FUSE_SETUP_SEL (1 << 3) - -#define UTMIP_XCVR_CFG1 0x838 -#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0) -#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2) -#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4) -#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18) - -#define UTMIP_BIAS_CFG1 0x83c -#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3) - -static DEFINE_SPINLOCK(utmip_pad_lock); -static int utmip_pad_count; - -struct tegra_xtal_freq { - int freq; - u8 enable_delay; - u8 stable_count; - u8 active_delay; - u8 xtal_freq_count; - u16 debounce; -}; - -static const struct tegra_xtal_freq tegra_freq_table[] = { - { - .freq = 12000000, - .enable_delay = 0x02, - .stable_count = 0x2F, - .active_delay = 0x04, - .xtal_freq_count = 0x76, - .debounce = 0x7530, - }, - { - .freq = 13000000, - .enable_delay = 0x02, - .stable_count = 0x33, - .active_delay = 0x05, - .xtal_freq_count = 0x7F, - .debounce = 0x7EF4, - }, - { - .freq = 19200000, - .enable_delay = 0x03, - .stable_count = 0x4B, - .active_delay = 0x06, - .xtal_freq_count = 0xBB, - .debounce = 0xBB80, - }, - { - .freq = 26000000, - .enable_delay = 0x04, - .stable_count = 0x66, - .active_delay = 0x09, - .xtal_freq_count = 0xFE, - .debounce = 0xFDE8, - }, -}; - -static struct tegra_utmip_config utmip_default[] = { - [0] = { - .hssync_start_delay = 9, - .idle_wait_delay = 17, - .elastic_limit = 16, - .term_range_adj = 6, - .xcvr_setup = 9, - .xcvr_lsfslew = 1, - .xcvr_lsrslew = 1, - }, - [2] = { - .hssync_start_delay = 9, - .idle_wait_delay = 17, - .elastic_limit = 16, - .term_range_adj = 6, - .xcvr_setup = 9, - .xcvr_lsfslew = 2, - .xcvr_lsrslew = 2, - }, -}; - -static inline bool phy_is_ulpi(struct tegra_usb_phy *phy) -{ - return (phy->instance == 1); -} - -static int utmip_pad_open(struct tegra_usb_phy *phy) -{ - phy->pad_clk = clk_get_sys("utmip-pad", NULL); - if (IS_ERR(phy->pad_clk)) { - pr_err("%s: can't get utmip pad clock\n", __func__); - return PTR_ERR(phy->pad_clk); - } - - if (phy->instance == 0) { - phy->pad_regs = phy->regs; - } else { - phy->pad_regs = ioremap(TEGRA_USB_BASE, TEGRA_USB_SIZE); - if (!phy->pad_regs) { - pr_err("%s: can't remap usb registers\n", __func__); - clk_put(phy->pad_clk); - return -ENOMEM; - } - } - return 0; -} - -static void utmip_pad_close(struct tegra_usb_phy *phy) -{ - if (phy->instance != 0) - iounmap(phy->pad_regs); - clk_put(phy->pad_clk); -} - -static void utmip_pad_power_on(struct tegra_usb_phy *phy) -{ - unsigned long val, flags; - void __iomem *base = phy->pad_regs; - - clk_prepare_enable(phy->pad_clk); - - spin_lock_irqsave(&utmip_pad_lock, flags); - - if (utmip_pad_count++ == 0) { - val = readl(base + UTMIP_BIAS_CFG0); - val &= ~(UTMIP_OTGPD | UTMIP_BIASPD); - writel(val, base + UTMIP_BIAS_CFG0); - } - - spin_unlock_irqrestore(&utmip_pad_lock, flags); - - clk_disable_unprepare(phy->pad_clk); -} - -static int utmip_pad_power_off(struct tegra_usb_phy *phy) -{ - unsigned long val, flags; - void __iomem *base = phy->pad_regs; - - if (!utmip_pad_count) { - pr_err("%s: utmip pad already powered off\n", __func__); - return -EINVAL; - } - - clk_prepare_enable(phy->pad_clk); - - spin_lock_irqsave(&utmip_pad_lock, flags); - - if (--utmip_pad_count == 0) { - val = readl(base + UTMIP_BIAS_CFG0); - val |= UTMIP_OTGPD | UTMIP_BIASPD; - writel(val, base + UTMIP_BIAS_CFG0); - } - - spin_unlock_irqrestore(&utmip_pad_lock, flags); - - clk_disable_unprepare(phy->pad_clk); - - return 0; -} - -static int utmi_wait_register(void __iomem *reg, u32 mask, u32 result) -{ - unsigned long timeout = 2000; - do { - if ((readl(reg) & mask) == result) - return 0; - udelay(1); - timeout--; - } while (timeout); - return -1; -} - -static void utmi_phy_clk_disable(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - if (phy->instance == 0) { - val = readl(base + USB_SUSP_CTRL); - val |= USB_SUSP_SET; - writel(val, base + USB_SUSP_CTRL); - - udelay(10); - - val = readl(base + USB_SUSP_CTRL); - val &= ~USB_SUSP_SET; - writel(val, base + USB_SUSP_CTRL); - } - - if (phy->instance == 2) { - val = readl(base + USB_PORTSC1); - val |= USB_PORTSC1_PHCD; - writel(val, base + USB_PORTSC1); - } - - if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, 0) < 0) - pr_err("%s: timeout waiting for phy to stabilize\n", __func__); -} - -static void utmi_phy_clk_enable(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - if (phy->instance == 0) { - val = readl(base + USB_SUSP_CTRL); - val |= USB_SUSP_CLR; - writel(val, base + USB_SUSP_CTRL); - - udelay(10); - - val = readl(base + USB_SUSP_CTRL); - val &= ~USB_SUSP_CLR; - writel(val, base + USB_SUSP_CTRL); - } - - if (phy->instance == 2) { - val = readl(base + USB_PORTSC1); - val &= ~USB_PORTSC1_PHCD; - writel(val, base + USB_PORTSC1); - } - - if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, - USB_PHY_CLK_VALID)) - pr_err("%s: timeout waiting for phy to stabilize\n", __func__); -} - -static int utmi_phy_power_on(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - struct tegra_utmip_config *config = phy->config; - - val = readl(base + USB_SUSP_CTRL); - val |= UTMIP_RESET; - writel(val, base + USB_SUSP_CTRL); - - if (phy->instance == 0) { - val = readl(base + USB1_LEGACY_CTRL); - val |= USB1_NO_LEGACY_MODE; - writel(val, base + USB1_LEGACY_CTRL); - } - - val = readl(base + UTMIP_TX_CFG0); - val &= ~UTMIP_FS_PREABMLE_J; - writel(val, base + UTMIP_TX_CFG0); - - val = readl(base + UTMIP_HSRX_CFG0); - val &= ~(UTMIP_IDLE_WAIT(~0) | UTMIP_ELASTIC_LIMIT(~0)); - val |= UTMIP_IDLE_WAIT(config->idle_wait_delay); - val |= UTMIP_ELASTIC_LIMIT(config->elastic_limit); - writel(val, base + UTMIP_HSRX_CFG0); - - val = readl(base + UTMIP_HSRX_CFG1); - val &= ~UTMIP_HS_SYNC_START_DLY(~0); - val |= UTMIP_HS_SYNC_START_DLY(config->hssync_start_delay); - writel(val, base + UTMIP_HSRX_CFG1); - - val = readl(base + UTMIP_DEBOUNCE_CFG0); - val &= ~UTMIP_BIAS_DEBOUNCE_A(~0); - val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce); - writel(val, base + UTMIP_DEBOUNCE_CFG0); - - val = readl(base + UTMIP_MISC_CFG0); - val &= ~UTMIP_SUSPEND_EXIT_ON_EDGE; - writel(val, base + UTMIP_MISC_CFG0); - - val = readl(base + UTMIP_MISC_CFG1); - val &= ~(UTMIP_PLL_ACTIVE_DLY_COUNT(~0) | UTMIP_PLLU_STABLE_COUNT(~0)); - val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) | - UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count); - writel(val, base + UTMIP_MISC_CFG1); - - val = readl(base + UTMIP_PLL_CFG1); - val &= ~(UTMIP_XTAL_FREQ_COUNT(~0) | UTMIP_PLLU_ENABLE_DLY_COUNT(~0)); - val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) | - UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay); - writel(val, base + UTMIP_PLL_CFG1); - - if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) { - val = readl(base + USB_SUSP_CTRL); - val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV); - writel(val, base + USB_SUSP_CTRL); - } - - utmip_pad_power_on(phy); - - val = readl(base + UTMIP_XCVR_CFG0); - val &= ~(UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN | - UTMIP_FORCE_PDZI_POWERDOWN | UTMIP_XCVR_SETUP(~0) | - UTMIP_XCVR_LSFSLEW(~0) | UTMIP_XCVR_LSRSLEW(~0) | - UTMIP_XCVR_HSSLEW_MSB(~0)); - val |= UTMIP_XCVR_SETUP(config->xcvr_setup); - val |= UTMIP_XCVR_LSFSLEW(config->xcvr_lsfslew); - val |= UTMIP_XCVR_LSRSLEW(config->xcvr_lsrslew); - writel(val, base + UTMIP_XCVR_CFG0); - - val = readl(base + UTMIP_XCVR_CFG1); - val &= ~(UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN | - UTMIP_FORCE_PDDR_POWERDOWN | UTMIP_XCVR_TERM_RANGE_ADJ(~0)); - val |= UTMIP_XCVR_TERM_RANGE_ADJ(config->term_range_adj); - writel(val, base + UTMIP_XCVR_CFG1); - - val = readl(base + UTMIP_BAT_CHRG_CFG0); - val &= ~UTMIP_PD_CHRG; - writel(val, base + UTMIP_BAT_CHRG_CFG0); - - val = readl(base + UTMIP_BIAS_CFG1); - val &= ~UTMIP_BIAS_PDTRK_COUNT(~0); - val |= UTMIP_BIAS_PDTRK_COUNT(0x5); - writel(val, base + UTMIP_BIAS_CFG1); - - if (phy->instance == 0) { - val = readl(base + UTMIP_SPARE_CFG0); - if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) - val &= ~FUSE_SETUP_SEL; - else - val |= FUSE_SETUP_SEL; - writel(val, base + UTMIP_SPARE_CFG0); - } - - if (phy->instance == 2) { - val = readl(base + USB_SUSP_CTRL); - val |= UTMIP_PHY_ENABLE; - writel(val, base + USB_SUSP_CTRL); - } - - val = readl(base + USB_SUSP_CTRL); - val &= ~UTMIP_RESET; - writel(val, base + USB_SUSP_CTRL); - - if (phy->instance == 0) { - val = readl(base + USB1_LEGACY_CTRL); - val &= ~USB1_VBUS_SENSE_CTL_MASK; - val |= USB1_VBUS_SENSE_CTL_A_SESS_VLD; - writel(val, base + USB1_LEGACY_CTRL); - - val = readl(base + USB_SUSP_CTRL); - val &= ~USB_SUSP_SET; - writel(val, base + USB_SUSP_CTRL); - } - - utmi_phy_clk_enable(phy); - - if (phy->instance == 2) { - val = readl(base + USB_PORTSC1); - val &= ~USB_PORTSC1_PTS(~0); - writel(val, base + USB_PORTSC1); - } - - return 0; -} - -static void utmi_phy_power_off(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - utmi_phy_clk_disable(phy); - - if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) { - val = readl(base + USB_SUSP_CTRL); - val &= ~USB_WAKEUP_DEBOUNCE_COUNT(~0); - val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5); - writel(val, base + USB_SUSP_CTRL); - } - - val = readl(base + USB_SUSP_CTRL); - val |= UTMIP_RESET; - writel(val, base + USB_SUSP_CTRL); - - val = readl(base + UTMIP_BAT_CHRG_CFG0); - val |= UTMIP_PD_CHRG; - writel(val, base + UTMIP_BAT_CHRG_CFG0); - - val = readl(base + UTMIP_XCVR_CFG0); - val |= UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN | - UTMIP_FORCE_PDZI_POWERDOWN; - writel(val, base + UTMIP_XCVR_CFG0); - - val = readl(base + UTMIP_XCVR_CFG1); - val |= UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN | - UTMIP_FORCE_PDDR_POWERDOWN; - writel(val, base + UTMIP_XCVR_CFG1); - - utmip_pad_power_off(phy); -} - -static void utmi_phy_preresume(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - val = readl(base + UTMIP_TX_CFG0); - val |= UTMIP_HS_DISCON_DISABLE; - writel(val, base + UTMIP_TX_CFG0); -} - -static void utmi_phy_postresume(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - val = readl(base + UTMIP_TX_CFG0); - val &= ~UTMIP_HS_DISCON_DISABLE; - writel(val, base + UTMIP_TX_CFG0); -} - -static void utmi_phy_restore_start(struct tegra_usb_phy *phy, - enum tegra_usb_phy_port_speed port_speed) -{ - unsigned long val; - void __iomem *base = phy->regs; - - val = readl(base + UTMIP_MISC_CFG0); - val &= ~UTMIP_DPDM_OBSERVE_SEL(~0); - if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW) - val |= UTMIP_DPDM_OBSERVE_SEL_FS_K; - else - val |= UTMIP_DPDM_OBSERVE_SEL_FS_J; - writel(val, base + UTMIP_MISC_CFG0); - udelay(1); - - val = readl(base + UTMIP_MISC_CFG0); - val |= UTMIP_DPDM_OBSERVE; - writel(val, base + UTMIP_MISC_CFG0); - udelay(10); -} - -static void utmi_phy_restore_end(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - - val = readl(base + UTMIP_MISC_CFG0); - val &= ~UTMIP_DPDM_OBSERVE; - writel(val, base + UTMIP_MISC_CFG0); - udelay(10); -} - -static int ulpi_phy_power_on(struct tegra_usb_phy *phy) -{ - int ret; - unsigned long val; - void __iomem *base = phy->regs; - struct tegra_ulpi_config *config = phy->config; - - gpio_direction_output(config->reset_gpio, 0); - msleep(5); - gpio_direction_output(config->reset_gpio, 1); - - clk_prepare_enable(phy->clk); - msleep(1); - - val = readl(base + USB_SUSP_CTRL); - val |= UHSIC_RESET; - writel(val, base + USB_SUSP_CTRL); - - val = readl(base + ULPI_TIMING_CTRL_0); - val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP; - writel(val, base + ULPI_TIMING_CTRL_0); - - val = readl(base + USB_SUSP_CTRL); - val |= ULPI_PHY_ENABLE; - writel(val, base + USB_SUSP_CTRL); - - val = 0; - writel(val, base + ULPI_TIMING_CTRL_1); - - val |= ULPI_DATA_TRIMMER_SEL(4); - val |= ULPI_STPDIRNXT_TRIMMER_SEL(4); - val |= ULPI_DIR_TRIMMER_SEL(4); - writel(val, base + ULPI_TIMING_CTRL_1); - udelay(10); - - val |= ULPI_DATA_TRIMMER_LOAD; - val |= ULPI_STPDIRNXT_TRIMMER_LOAD; - val |= ULPI_DIR_TRIMMER_LOAD; - writel(val, base + ULPI_TIMING_CTRL_1); - - /* Fix VbusInvalid due to floating VBUS */ - ret = usb_phy_io_write(phy->ulpi, 0x40, 0x08); - if (ret) { - pr_err("%s: ulpi write failed\n", __func__); - return ret; - } - - ret = usb_phy_io_write(phy->ulpi, 0x80, 0x0B); - if (ret) { - pr_err("%s: ulpi write failed\n", __func__); - return ret; - } - - val = readl(base + USB_PORTSC1); - val |= USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN; - writel(val, base + USB_PORTSC1); - - val = readl(base + USB_SUSP_CTRL); - val |= USB_SUSP_CLR; - writel(val, base + USB_SUSP_CTRL); - udelay(100); - - val = readl(base + USB_SUSP_CTRL); - val &= ~USB_SUSP_CLR; - writel(val, base + USB_SUSP_CTRL); - - return 0; -} - -static void ulpi_phy_power_off(struct tegra_usb_phy *phy) -{ - unsigned long val; - void __iomem *base = phy->regs; - struct tegra_ulpi_config *config = phy->config; - - /* Clear WKCN/WKDS/WKOC wake-on events that can cause the USB - * Controller to immediately bring the ULPI PHY out of low power - */ - val = readl(base + USB_PORTSC1); - val &= ~(USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN); - writel(val, base + USB_PORTSC1); - - gpio_direction_output(config->reset_gpio, 0); - clk_disable(phy->clk); -} - -struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, - void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode) -{ - struct tegra_usb_phy *phy; - struct tegra_ulpi_config *ulpi_config; - unsigned long parent_rate; - int i; - int err; - - phy = kmalloc(sizeof(struct tegra_usb_phy), GFP_KERNEL); - if (!phy) - return ERR_PTR(-ENOMEM); - - phy->instance = instance; - phy->regs = regs; - phy->config = config; - phy->mode = phy_mode; - - if (!phy->config) { - if (phy_is_ulpi(phy)) { - pr_err("%s: ulpi phy configuration missing", __func__); - err = -EINVAL; - goto err0; - } else { - phy->config = &utmip_default[instance]; - } - } - - phy->pll_u = clk_get_sys(NULL, "pll_u"); - if (IS_ERR(phy->pll_u)) { - pr_err("Can't get pll_u clock\n"); - err = PTR_ERR(phy->pll_u); - goto err0; - } - clk_prepare_enable(phy->pll_u); - - parent_rate = clk_get_rate(clk_get_parent(phy->pll_u)); - for (i = 0; i < ARRAY_SIZE(tegra_freq_table); i++) { - if (tegra_freq_table[i].freq == parent_rate) { - phy->freq = &tegra_freq_table[i]; - break; - } - } - if (!phy->freq) { - pr_err("invalid pll_u parent rate %ld\n", parent_rate); - err = -EINVAL; - goto err1; - } - - if (phy_is_ulpi(phy)) { - ulpi_config = config; - phy->clk = clk_get_sys(NULL, ulpi_config->clk); - if (IS_ERR(phy->clk)) { - pr_err("%s: can't get ulpi clock\n", __func__); - err = -ENXIO; - goto err1; - } - if (!gpio_is_valid(ulpi_config->reset_gpio)) - ulpi_config->reset_gpio = - of_get_named_gpio(dev->of_node, - "nvidia,phy-reset-gpio", 0); - if (!gpio_is_valid(ulpi_config->reset_gpio)) { - pr_err("%s: invalid reset gpio: %d\n", __func__, - ulpi_config->reset_gpio); - err = -EINVAL; - goto err1; - } - gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b"); - gpio_direction_output(ulpi_config->reset_gpio, 0); - phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0); - phy->ulpi->io_priv = regs + ULPI_VIEWPORT; - } else { - err = utmip_pad_open(phy); - if (err < 0) - goto err1; - } - - return phy; - -err1: - clk_disable_unprepare(phy->pll_u); - clk_put(phy->pll_u); -err0: - kfree(phy); - return ERR_PTR(err); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_open); - -int tegra_usb_phy_power_on(struct tegra_usb_phy *phy) -{ - if (phy_is_ulpi(phy)) - return ulpi_phy_power_on(phy); - else - return utmi_phy_power_on(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_power_on); - -void tegra_usb_phy_power_off(struct tegra_usb_phy *phy) -{ - if (phy_is_ulpi(phy)) - ulpi_phy_power_off(phy); - else - utmi_phy_power_off(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_power_off); - -void tegra_usb_phy_preresume(struct tegra_usb_phy *phy) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_preresume(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_preresume); - -void tegra_usb_phy_postresume(struct tegra_usb_phy *phy) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_postresume(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_postresume); - -void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy, - enum tegra_usb_phy_port_speed port_speed) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_restore_start(phy, port_speed); -} -EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_start); - -void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_restore_end(phy); -} -EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_end); - -void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_clk_disable(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_clk_disable); - -void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy) -{ - if (!phy_is_ulpi(phy)) - utmi_phy_clk_enable(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_clk_enable); - -void tegra_usb_phy_close(struct tegra_usb_phy *phy) -{ - if (phy_is_ulpi(phy)) - clk_put(phy->clk); - else - utmip_pad_close(phy); - clk_disable_unprepare(phy->pll_u); - clk_put(phy->pll_u); - kfree(phy); -} -EXPORT_SYMBOL_GPL(tegra_usb_phy_close); diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 842c0a2d7481..c77c86c47369 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -11,6 +11,7 @@ config UX500_SOC_COMMON select CACHE_L2X0 select PINCTRL select PINCTRL_NOMADIK + select COMMON_CLK config UX500_SOC_DB8500 bool diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile index 026086ff9e6c..5691ef679d01 100644 --- a/arch/arm/mach-ux500/Makefile +++ b/arch/arm/mach-ux500/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel, U8500 machine. # -obj-y := clock.o cpu.o devices.o devices-common.o \ +obj-y := cpu.o devices.o devices-common.o \ id.o usb.o timer.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index dd629b7f0ecf..c8922bca68a4 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -542,33 +542,12 @@ static struct stedma40_chan_cfg uart2_dma_cfg_tx = { }; #endif -#define PRCC_K_SOFTRST_SET 0x18 -#define PRCC_K_SOFTRST_CLEAR 0x1C -static void ux500_uart0_reset(void) -{ - void __iomem *prcc_rst_set, *prcc_rst_clr; - - prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + - PRCC_K_SOFTRST_SET); - prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + - PRCC_K_SOFTRST_CLEAR); - - /* Activate soft reset PRCC_K_SOFTRST_CLEAR */ - writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr); - udelay(1); - - /* Release soft reset PRCC_K_SOFTRST_SET */ - writel((readl(prcc_rst_set) | 0x1), prcc_rst_set); - udelay(1); -} - static struct amba_pl011_data uart0_plat = { #ifdef CONFIG_STE_DMA40 .dma_filter = stedma40_filter, .dma_rx_param = &uart0_dma_cfg_rx, .dma_tx_param = &uart0_dma_cfg_tx, #endif - .reset = ux500_uart0_reset, }; static struct amba_pl011_data uart1_plat = { diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c deleted file mode 100644 index 8d73b066a18d..000000000000 --- a/arch/arm/mach-ux500/clock.c +++ /dev/null @@ -1,715 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson - * Copyright (C) 2009 STMicroelectronics - * - * 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/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/clkdev.h> -#include <linux/cpufreq.h> - -#include <plat/mtu.h> -#include <mach/hardware.h> -#include "clock.h" - -#ifdef CONFIG_DEBUG_FS -#include <linux/debugfs.h> -#include <linux/uaccess.h> /* for copy_from_user */ -static LIST_HEAD(clk_list); -#endif - -#define PRCC_PCKEN 0x00 -#define PRCC_PCKDIS 0x04 -#define PRCC_KCKEN 0x08 -#define PRCC_KCKDIS 0x0C - -#define PRCM_YYCLKEN0_MGT_SET 0x510 -#define PRCM_YYCLKEN1_MGT_SET 0x514 -#define PRCM_YYCLKEN0_MGT_CLR 0x518 -#define PRCM_YYCLKEN1_MGT_CLR 0x51C -#define PRCM_YYCLKEN0_MGT_VAL 0x520 -#define PRCM_YYCLKEN1_MGT_VAL 0x524 - -#define PRCM_SVAMMDSPCLK_MGT 0x008 -#define PRCM_SIAMMDSPCLK_MGT 0x00C -#define PRCM_SGACLK_MGT 0x014 -#define PRCM_UARTCLK_MGT 0x018 -#define PRCM_MSP02CLK_MGT 0x01C -#define PRCM_MSP1CLK_MGT 0x288 -#define PRCM_I2CCLK_MGT 0x020 -#define PRCM_SDMMCCLK_MGT 0x024 -#define PRCM_SLIMCLK_MGT 0x028 -#define PRCM_PER1CLK_MGT 0x02C -#define PRCM_PER2CLK_MGT 0x030 -#define PRCM_PER3CLK_MGT 0x034 -#define PRCM_PER5CLK_MGT 0x038 -#define PRCM_PER6CLK_MGT 0x03C -#define PRCM_PER7CLK_MGT 0x040 -#define PRCM_LCDCLK_MGT 0x044 -#define PRCM_BMLCLK_MGT 0x04C -#define PRCM_HSITXCLK_MGT 0x050 -#define PRCM_HSIRXCLK_MGT 0x054 -#define PRCM_HDMICLK_MGT 0x058 -#define PRCM_APEATCLK_MGT 0x05C -#define PRCM_APETRACECLK_MGT 0x060 -#define PRCM_MCDECLK_MGT 0x064 -#define PRCM_IPI2CCLK_MGT 0x068 -#define PRCM_DSIALTCLK_MGT 0x06C -#define PRCM_DMACLK_MGT 0x074 -#define PRCM_B2R2CLK_MGT 0x078 -#define PRCM_TVCLK_MGT 0x07C -#define PRCM_TCR 0x1C8 -#define PRCM_TCR_STOPPED (1 << 16) -#define PRCM_TCR_DOZE_MODE (1 << 17) -#define PRCM_UNIPROCLK_MGT 0x278 -#define PRCM_SSPCLK_MGT 0x280 -#define PRCM_RNGCLK_MGT 0x284 -#define PRCM_UICCCLK_MGT 0x27C - -#define PRCM_MGT_ENABLE (1 << 8) - -static DEFINE_SPINLOCK(clocks_lock); - -static void __clk_enable(struct clk *clk) -{ - if (clk->enabled++ == 0) { - if (clk->parent_cluster) - __clk_enable(clk->parent_cluster); - - if (clk->parent_periph) - __clk_enable(clk->parent_periph); - - if (clk->ops && clk->ops->enable) - clk->ops->enable(clk); - } -} - -int clk_enable(struct clk *clk) -{ - unsigned long flags; - - spin_lock_irqsave(&clocks_lock, flags); - __clk_enable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); - - return 0; -} -EXPORT_SYMBOL(clk_enable); - -static void __clk_disable(struct clk *clk) -{ - if (--clk->enabled == 0) { - if (clk->ops && clk->ops->disable) - clk->ops->disable(clk); - - if (clk->parent_periph) - __clk_disable(clk->parent_periph); - - if (clk->parent_cluster) - __clk_disable(clk->parent_cluster); - } -} - -void clk_disable(struct clk *clk) -{ - unsigned long flags; - - WARN_ON(!clk->enabled); - - spin_lock_irqsave(&clocks_lock, flags); - __clk_disable(clk); - spin_unlock_irqrestore(&clocks_lock, flags); -} -EXPORT_SYMBOL(clk_disable); - -/* - * The MTU has a separate, rather complex muxing setup - * with alternative parents (peripheral cluster or - * ULP or fixed 32768 Hz) depending on settings - */ -static unsigned long clk_mtu_get_rate(struct clk *clk) -{ - void __iomem *addr; - u32 tcr; - int mtu = (int) clk->data; - /* - * One of these is selected eventually - * TODO: Replace the constant with a reference - * to the ULP source once this is modeled. - */ - unsigned long clk32k = 32768; - unsigned long mturate; - unsigned long retclk; - - if (cpu_is_u8500_family()) - addr = __io_address(U8500_PRCMU_BASE); - else - ux500_unknown_soc(); - - /* - * On a startup, always conifgure the TCR to the doze mode; - * bootloaders do it for us. Do this in the kernel too. - */ - writel(PRCM_TCR_DOZE_MODE, addr + PRCM_TCR); - - tcr = readl(addr + PRCM_TCR); - - /* Get the rate from the parent as a default */ - if (clk->parent_periph) - mturate = clk_get_rate(clk->parent_periph); - else if (clk->parent_cluster) - mturate = clk_get_rate(clk->parent_cluster); - else - /* We need to be connected SOMEWHERE */ - BUG(); - - /* Return the clock selected for this MTU */ - if (tcr & (1 << mtu)) - retclk = clk32k; - else - retclk = mturate; - - pr_info("MTU%d clock rate: %lu Hz\n", mtu, retclk); - return retclk; -} - -unsigned long clk_get_rate(struct clk *clk) -{ - unsigned long rate; - - /* - * If there is a custom getrate callback for this clock, - * it will take precedence. - */ - if (clk->get_rate) - return clk->get_rate(clk); - - if (clk->ops && clk->ops->get_rate) - return clk->ops->get_rate(clk); - - rate = clk->rate; - if (!rate) { - if (clk->parent_periph) - rate = clk_get_rate(clk->parent_periph); - else if (clk->parent_cluster) - rate = clk_get_rate(clk->parent_cluster); - } - - return rate; -} -EXPORT_SYMBOL(clk_get_rate); - -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - /*TODO*/ - return rate; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - clk->rate = rate; - return 0; -} -EXPORT_SYMBOL(clk_set_rate); - -int clk_set_parent(struct clk *clk, struct clk *parent) -{ - /*TODO*/ - return -ENOSYS; -} -EXPORT_SYMBOL(clk_set_parent); - -static void clk_prcmu_enable(struct clk *clk) -{ - void __iomem *cg_set_reg = __io_address(U8500_PRCMU_BASE) - + PRCM_YYCLKEN0_MGT_SET + clk->prcmu_cg_off; - - writel(1 << clk->prcmu_cg_bit, cg_set_reg); -} - -static void clk_prcmu_disable(struct clk *clk) -{ - void __iomem *cg_clr_reg = __io_address(U8500_PRCMU_BASE) - + PRCM_YYCLKEN0_MGT_CLR + clk->prcmu_cg_off; - - writel(1 << clk->prcmu_cg_bit, cg_clr_reg); -} - -static struct clkops clk_prcmu_ops = { - .enable = clk_prcmu_enable, - .disable = clk_prcmu_disable, -}; - -static unsigned int clkrst_base[] = { - [1] = U8500_CLKRST1_BASE, - [2] = U8500_CLKRST2_BASE, - [3] = U8500_CLKRST3_BASE, - [5] = U8500_CLKRST5_BASE, - [6] = U8500_CLKRST6_BASE, -}; - -static void clk_prcc_enable(struct clk *clk) -{ - void __iomem *addr = __io_address(clkrst_base[clk->cluster]); - - if (clk->prcc_kernel != -1) - writel(1 << clk->prcc_kernel, addr + PRCC_KCKEN); - - if (clk->prcc_bus != -1) - writel(1 << clk->prcc_bus, addr + PRCC_PCKEN); -} - -static void clk_prcc_disable(struct clk *clk) -{ - void __iomem *addr = __io_address(clkrst_base[clk->cluster]); - - if (clk->prcc_bus != -1) - writel(1 << clk->prcc_bus, addr + PRCC_PCKDIS); - - if (clk->prcc_kernel != -1) - writel(1 << clk->prcc_kernel, addr + PRCC_KCKDIS); -} - -static struct clkops clk_prcc_ops = { - .enable = clk_prcc_enable, - .disable = clk_prcc_disable, -}; - -static struct clk clk_32khz = { - .name = "clk_32khz", - .rate = 32000, -}; - -/* - * PRCMU level clock gating - */ - -/* Bank 0 */ -static DEFINE_PRCMU_CLK(svaclk, 0x0, 2, SVAMMDSPCLK); -static DEFINE_PRCMU_CLK(siaclk, 0x0, 3, SIAMMDSPCLK); -static DEFINE_PRCMU_CLK(sgaclk, 0x0, 4, SGACLK); -static DEFINE_PRCMU_CLK_RATE(uartclk, 0x0, 5, UARTCLK, 38400000); -static DEFINE_PRCMU_CLK(msp02clk, 0x0, 6, MSP02CLK); -static DEFINE_PRCMU_CLK(msp1clk, 0x0, 7, MSP1CLK); /* v1 */ -static DEFINE_PRCMU_CLK_RATE(i2cclk, 0x0, 8, I2CCLK, 48000000); -static DEFINE_PRCMU_CLK_RATE(sdmmcclk, 0x0, 9, SDMMCCLK, 100000000); -static DEFINE_PRCMU_CLK(slimclk, 0x0, 10, SLIMCLK); -static DEFINE_PRCMU_CLK(per1clk, 0x0, 11, PER1CLK); -static DEFINE_PRCMU_CLK(per2clk, 0x0, 12, PER2CLK); -static DEFINE_PRCMU_CLK(per3clk, 0x0, 13, PER3CLK); -static DEFINE_PRCMU_CLK(per5clk, 0x0, 14, PER5CLK); -static DEFINE_PRCMU_CLK_RATE(per6clk, 0x0, 15, PER6CLK, 133330000); -static DEFINE_PRCMU_CLK(lcdclk, 0x0, 17, LCDCLK); -static DEFINE_PRCMU_CLK(bmlclk, 0x0, 18, BMLCLK); -static DEFINE_PRCMU_CLK(hsitxclk, 0x0, 19, HSITXCLK); -static DEFINE_PRCMU_CLK(hsirxclk, 0x0, 20, HSIRXCLK); -static DEFINE_PRCMU_CLK(hdmiclk, 0x0, 21, HDMICLK); -static DEFINE_PRCMU_CLK(apeatclk, 0x0, 22, APEATCLK); -static DEFINE_PRCMU_CLK(apetraceclk, 0x0, 23, APETRACECLK); -static DEFINE_PRCMU_CLK(mcdeclk, 0x0, 24, MCDECLK); -static DEFINE_PRCMU_CLK(ipi2clk, 0x0, 25, IPI2CCLK); -static DEFINE_PRCMU_CLK(dsialtclk, 0x0, 26, DSIALTCLK); /* v1 */ -static DEFINE_PRCMU_CLK(dmaclk, 0x0, 27, DMACLK); -static DEFINE_PRCMU_CLK(b2r2clk, 0x0, 28, B2R2CLK); -static DEFINE_PRCMU_CLK(tvclk, 0x0, 29, TVCLK); -static DEFINE_PRCMU_CLK(uniproclk, 0x0, 30, UNIPROCLK); /* v1 */ -static DEFINE_PRCMU_CLK_RATE(sspclk, 0x0, 31, SSPCLK, 48000000); /* v1 */ - -/* Bank 1 */ -static DEFINE_PRCMU_CLK(rngclk, 0x4, 0, RNGCLK); /* v1 */ -static DEFINE_PRCMU_CLK(uiccclk, 0x4, 1, UICCCLK); /* v1 */ - -/* - * PRCC level clock gating - * Format: per#, clk, PCKEN bit, KCKEN bit, parent - */ - -/* Peripheral Cluster #1 */ -static DEFINE_PRCC_CLK(1, msp3, 11, 10, &clk_msp1clk); -static DEFINE_PRCC_CLK(1, i2c4, 10, 9, &clk_i2cclk); -static DEFINE_PRCC_CLK(1, gpio0, 9, -1, NULL); -static DEFINE_PRCC_CLK(1, slimbus0, 8, 8, &clk_slimclk); -static DEFINE_PRCC_CLK(1, spi3, 7, -1, NULL); -static DEFINE_PRCC_CLK(1, i2c2, 6, 6, &clk_i2cclk); -static DEFINE_PRCC_CLK(1, sdi0, 5, 5, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(1, msp1, 4, 4, &clk_msp1clk); -static DEFINE_PRCC_CLK(1, msp0, 3, 3, &clk_msp02clk); -static DEFINE_PRCC_CLK(1, i2c1, 2, 2, &clk_i2cclk); -static DEFINE_PRCC_CLK(1, uart1, 1, 1, &clk_uartclk); -static DEFINE_PRCC_CLK(1, uart0, 0, 0, &clk_uartclk); - -/* Peripheral Cluster #2 */ -static DEFINE_PRCC_CLK(2, gpio1, 11, -1, NULL); -static DEFINE_PRCC_CLK(2, ssitx, 10, 7, NULL); -static DEFINE_PRCC_CLK(2, ssirx, 9, 6, NULL); -static DEFINE_PRCC_CLK(2, spi0, 8, -1, NULL); -static DEFINE_PRCC_CLK(2, sdi3, 7, 5, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(2, sdi1, 6, 4, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(2, msp2, 5, 3, &clk_msp02clk); -static DEFINE_PRCC_CLK(2, sdi4, 4, 2, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(2, pwl, 3, 1, NULL); -static DEFINE_PRCC_CLK(2, spi1, 2, -1, NULL); -static DEFINE_PRCC_CLK(2, spi2, 1, -1, NULL); -static DEFINE_PRCC_CLK(2, i2c3, 0, 0, &clk_i2cclk); - -/* Peripheral Cluster #3 */ -static DEFINE_PRCC_CLK(3, gpio2, 8, -1, NULL); -static DEFINE_PRCC_CLK(3, sdi5, 7, 7, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(3, uart2, 6, 6, &clk_uartclk); -static DEFINE_PRCC_CLK(3, ske, 5, 5, &clk_32khz); -static DEFINE_PRCC_CLK(3, sdi2, 4, 4, &clk_sdmmcclk); -static DEFINE_PRCC_CLK(3, i2c0, 3, 3, &clk_i2cclk); -static DEFINE_PRCC_CLK(3, ssp1, 2, 2, &clk_sspclk); -static DEFINE_PRCC_CLK(3, ssp0, 1, 1, &clk_sspclk); -static DEFINE_PRCC_CLK(3, fsmc, 0, -1, NULL); - -/* Peripheral Cluster #4 is in the always on domain */ - -/* Peripheral Cluster #5 */ -static DEFINE_PRCC_CLK(5, gpio3, 1, -1, NULL); -static DEFINE_PRCC_CLK(5, usb, 0, 0, NULL); - -/* Peripheral Cluster #6 */ - -/* MTU ID in data */ -static DEFINE_PRCC_CLK_CUSTOM(6, mtu1, 9, -1, NULL, clk_mtu_get_rate, 1); -static DEFINE_PRCC_CLK_CUSTOM(6, mtu0, 8, -1, NULL, clk_mtu_get_rate, 0); -static DEFINE_PRCC_CLK(6, cfgreg, 7, 7, NULL); -static DEFINE_PRCC_CLK(6, hash1, 6, -1, NULL); -static DEFINE_PRCC_CLK(6, unipro, 5, 1, &clk_uniproclk); -static DEFINE_PRCC_CLK(6, pka, 4, -1, NULL); -static DEFINE_PRCC_CLK(6, hash0, 3, -1, NULL); -static DEFINE_PRCC_CLK(6, cryp0, 2, -1, NULL); -static DEFINE_PRCC_CLK(6, cryp1, 1, -1, NULL); -static DEFINE_PRCC_CLK(6, rng, 0, 0, &clk_rngclk); - -static struct clk clk_dummy_apb_pclk = { - .name = "apb_pclk", -}; - -static struct clk_lookup u8500_clks[] = { - CLK(dummy_apb_pclk, NULL, "apb_pclk"), - - /* Peripheral Cluster #1 */ - CLK(gpio0, "gpio.0", NULL), - CLK(gpio0, "gpio.1", NULL), - CLK(slimbus0, "slimbus0", NULL), - CLK(i2c2, "nmk-i2c.2", NULL), - CLK(sdi0, "sdi0", NULL), - CLK(msp0, "ux500-msp-i2s.0", NULL), - CLK(i2c1, "nmk-i2c.1", NULL), - CLK(uart1, "uart1", NULL), - CLK(uart0, "uart0", NULL), - - /* Peripheral Cluster #3 */ - CLK(gpio2, "gpio.2", NULL), - CLK(gpio2, "gpio.3", NULL), - CLK(gpio2, "gpio.4", NULL), - CLK(gpio2, "gpio.5", NULL), - CLK(sdi5, "sdi5", NULL), - CLK(uart2, "uart2", NULL), - CLK(ske, "ske", NULL), - CLK(ske, "nmk-ske-keypad", NULL), - CLK(sdi2, "sdi2", NULL), - CLK(i2c0, "nmk-i2c.0", NULL), - CLK(fsmc, "fsmc", NULL), - - /* Peripheral Cluster #5 */ - CLK(gpio3, "gpio.8", NULL), - - /* Peripheral Cluster #6 */ - CLK(hash1, "hash1", NULL), - CLK(pka, "pka", NULL), - CLK(hash0, "hash0", NULL), - CLK(cryp0, "cryp0", NULL), - CLK(cryp1, "cryp1", NULL), - - /* PRCMU level clock gating */ - - /* Bank 0 */ - CLK(svaclk, "sva", NULL), - CLK(siaclk, "sia", NULL), - CLK(sgaclk, "sga", NULL), - CLK(slimclk, "slim", NULL), - CLK(lcdclk, "lcd", NULL), - CLK(bmlclk, "bml", NULL), - CLK(hsitxclk, "stm-hsi.0", NULL), - CLK(hsirxclk, "stm-hsi.1", NULL), - CLK(hdmiclk, "hdmi", NULL), - CLK(apeatclk, "apeat", NULL), - CLK(apetraceclk, "apetrace", NULL), - CLK(mcdeclk, "mcde", NULL), - CLK(ipi2clk, "ipi2", NULL), - CLK(dmaclk, "dma40.0", NULL), - CLK(b2r2clk, "b2r2", NULL), - CLK(tvclk, "tv", NULL), - - /* Peripheral Cluster #1 */ - CLK(i2c4, "nmk-i2c.4", NULL), - CLK(spi3, "spi3", NULL), - CLK(msp1, "ux500-msp-i2s.1", NULL), - CLK(msp3, "ux500-msp-i2s.3", NULL), - - /* Peripheral Cluster #2 */ - CLK(gpio1, "gpio.6", NULL), - CLK(gpio1, "gpio.7", NULL), - CLK(ssitx, "ssitx", NULL), - CLK(ssirx, "ssirx", NULL), - CLK(spi0, "spi0", NULL), - CLK(sdi3, "sdi3", NULL), - CLK(sdi1, "sdi1", NULL), - CLK(msp2, "ux500-msp-i2s.2", NULL), - CLK(sdi4, "sdi4", NULL), - CLK(pwl, "pwl", NULL), - CLK(spi1, "spi1", NULL), - CLK(spi2, "spi2", NULL), - CLK(i2c3, "nmk-i2c.3", NULL), - - /* Peripheral Cluster #3 */ - CLK(ssp1, "ssp1", NULL), - CLK(ssp0, "ssp0", NULL), - - /* Peripheral Cluster #5 */ - CLK(usb, "musb-ux500.0", "usb"), - - /* Peripheral Cluster #6 */ - CLK(mtu1, "mtu1", NULL), - CLK(mtu0, "mtu0", NULL), - CLK(cfgreg, "cfgreg", NULL), - CLK(hash1, "hash1", NULL), - CLK(unipro, "unipro", NULL), - CLK(rng, "rng", NULL), - - /* PRCMU level clock gating */ - - /* Bank 0 */ - CLK(uniproclk, "uniproclk", NULL), - CLK(dsialtclk, "dsialt", NULL), - - /* Bank 1 */ - CLK(rngclk, "rng", NULL), - CLK(uiccclk, "uicc", NULL), -}; - -#ifdef CONFIG_DEBUG_FS -/* - * debugfs support to trace clock tree hierarchy and attributes with - * powerdebug - */ -static struct dentry *clk_debugfs_root; - -void __init clk_debugfs_add_table(struct clk_lookup *cl, size_t num) -{ - while (num--) { - /* Check that the clock has not been already registered */ - if (!(cl->clk->list.prev != cl->clk->list.next)) - list_add_tail(&cl->clk->list, &clk_list); - - cl++; - } -} - -static ssize_t usecount_dbg_read(struct file *file, char __user *buf, - size_t size, loff_t *off) -{ - struct clk *clk = file->f_dentry->d_inode->i_private; - char cusecount[128]; - unsigned int len; - - len = sprintf(cusecount, "%u\n", clk->enabled); - return simple_read_from_buffer(buf, size, off, cusecount, len); -} - -static ssize_t rate_dbg_read(struct file *file, char __user *buf, - size_t size, loff_t *off) -{ - struct clk *clk = file->f_dentry->d_inode->i_private; - char crate[128]; - unsigned int rate; - unsigned int len; - - rate = clk_get_rate(clk); - len = sprintf(crate, "%u\n", rate); - return simple_read_from_buffer(buf, size, off, crate, len); -} - -static const struct file_operations usecount_fops = { - .read = usecount_dbg_read, -}; - -static const struct file_operations set_rate_fops = { - .read = rate_dbg_read, -}; - -static struct dentry *clk_debugfs_register_dir(struct clk *c, - struct dentry *p_dentry) -{ - struct dentry *d, *clk_d; - const char *p = c->name; - - if (!p) - p = "BUG"; - - clk_d = debugfs_create_dir(p, p_dentry); - if (!clk_d) - return NULL; - - d = debugfs_create_file("usecount", S_IRUGO, - clk_d, c, &usecount_fops); - if (!d) - goto err_out; - d = debugfs_create_file("rate", S_IRUGO, - clk_d, c, &set_rate_fops); - if (!d) - goto err_out; - /* - * TODO : not currently available in ux500 - * d = debugfs_create_x32("flags", S_IRUGO, clk_d, (u32 *)&c->flags); - * if (!d) - * goto err_out; - */ - - return clk_d; - -err_out: - debugfs_remove_recursive(clk_d); - return NULL; -} - -static int clk_debugfs_register_one(struct clk *c) -{ - struct clk *pa = c->parent_periph; - struct clk *bpa = c->parent_cluster; - - if (!(bpa && !pa)) { - c->dent = clk_debugfs_register_dir(c, - pa ? pa->dent : clk_debugfs_root); - if (!c->dent) - return -ENOMEM; - } - - if (bpa) { - c->dent_bus = clk_debugfs_register_dir(c, - bpa->dent_bus ? bpa->dent_bus : bpa->dent); - if ((!c->dent_bus) && (c->dent)) { - debugfs_remove_recursive(c->dent); - c->dent = NULL; - return -ENOMEM; - } - } - return 0; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent_periph; - struct clk *bpa = c->parent_cluster; - - if (pa && (!pa->dent && !pa->dent_bus)) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (bpa && (!bpa->dent && !bpa->dent_bus)) { - err = clk_debugfs_register(bpa); - if (err) - return err; - } - - if ((!c->dent) && (!c->dent_bus)) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -int __init clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - list_for_each_entry(c, &clk_list, list) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} - -#endif /* defined(CONFIG_DEBUG_FS) */ - -unsigned long clk_smp_twd_rate = 500000000; - -unsigned long clk_smp_twd_get_rate(struct clk *clk) -{ - return clk_smp_twd_rate; -} - -static struct clk clk_smp_twd = { - .get_rate = clk_smp_twd_get_rate, - .name = "smp_twd", -}; - -static struct clk_lookup clk_smp_twd_lookup = { - .dev_id = "smp_twd", - .clk = &clk_smp_twd, -}; - -#ifdef CONFIG_CPU_FREQ - -static int clk_twd_cpufreq_transition(struct notifier_block *nb, - unsigned long state, void *data) -{ - struct cpufreq_freqs *f = data; - - if (state == CPUFREQ_PRECHANGE) { - /* Save frequency in simple Hz */ - clk_smp_twd_rate = (f->new * 1000) / 2; - } - - return NOTIFY_OK; -} - -static struct notifier_block clk_twd_cpufreq_nb = { - .notifier_call = clk_twd_cpufreq_transition, -}; - -int clk_init_smp_twd_cpufreq(void) -{ - return cpufreq_register_notifier(&clk_twd_cpufreq_nb, - CPUFREQ_TRANSITION_NOTIFIER); -} - -#endif - -int __init clk_init(void) -{ - clkdev_add_table(u8500_clks, ARRAY_SIZE(u8500_clks)); - clkdev_add(&clk_smp_twd_lookup); - -#ifdef CONFIG_DEBUG_FS - clk_debugfs_add_table(u8500_clks, ARRAY_SIZE(u8500_clks)); -#endif - return 0; -} diff --git a/arch/arm/mach-ux500/clock.h b/arch/arm/mach-ux500/clock.h deleted file mode 100644 index 65d27a13f46d..000000000000 --- a/arch/arm/mach-ux500/clock.h +++ /dev/null @@ -1,164 +0,0 @@ -/* - * Copyright (C) 2010 ST-Ericsson - * Copyright (C) 2009 STMicroelectronics - * - * 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. - */ - -/** - * struct clkops - ux500 clock operations - * @enable: function to enable the clock - * @disable: function to disable the clock - * @get_rate: function to get the current clock rate - * - * This structure contains function pointers to functions that will be used to - * control the clock. All of these functions are optional. If get_rate is - * NULL, the rate in the struct clk will be used. - */ -struct clkops { - void (*enable) (struct clk *); - void (*disable) (struct clk *); - unsigned long (*get_rate) (struct clk *); - int (*set_parent)(struct clk *, struct clk *); -}; - -/** - * struct clk - ux500 clock structure - * @ops: pointer to clkops struct used to control this clock - * @name: name, for debugging - * @enabled: refcount. positive if enabled, zero if disabled - * @get_rate: custom callback for getting the clock rate - * @data: custom per-clock data for example for the get_rate - * callback - * @rate: fixed rate for clocks which don't implement - * ops->getrate - * @prcmu_cg_off: address offset of the combined enable/disable register - * (used on u8500v1) - * @prcmu_cg_bit: bit in the combined enable/disable register (used on - * u8500v1) - * @prcmu_cg_mgt: address of the enable/disable register (used on - * u8500ed) - * @cluster: peripheral cluster number - * @prcc_bus: bit for the bus clock in the peripheral's CLKRST - * @prcc_kernel: bit for the kernel clock in the peripheral's CLKRST. - * -1 if no kernel clock exists. - * @parent_cluster: pointer to parent's cluster clk struct - * @parent_periph: pointer to parent's peripheral clk struct - * - * Peripherals are organised into clusters, and each cluster has an associated - * bus clock. Some peripherals also have a parent peripheral clock. - * - * In order to enable a clock for a peripheral, we need to enable: - * (1) the parent cluster (bus) clock at the PRCMU level - * (2) the parent peripheral clock (if any) at the PRCMU level - * (3) the peripheral's bus & kernel clock at the PRCC level - * - * (1) and (2) are handled by defining clk structs (DEFINE_PRCMU_CLK) for each - * of the cluster and peripheral clocks, and hooking these as the parents of - * the individual peripheral clocks. - * - * (3) is handled by specifying the bits in the PRCC control registers required - * to enable these clocks and modifying them in the ->enable and - * ->disable callbacks of the peripheral clocks (DEFINE_PRCC_CLK). - * - * This structure describes both the PRCMU-level clocks and PRCC-level clocks. - * The prcmu_* fields are only used for the PRCMU clocks, and the cluster, - * prcc, and parent pointers are only used for the PRCC-level clocks. - */ -struct clk { - const struct clkops *ops; - const char *name; - unsigned int enabled; - unsigned long (*get_rate)(struct clk *); - void *data; - - unsigned long rate; - struct list_head list; - - /* These three are only for PRCMU clks */ - - unsigned int prcmu_cg_off; - unsigned int prcmu_cg_bit; - unsigned int prcmu_cg_mgt; - - /* The rest are only for PRCC clks */ - - int cluster; - unsigned int prcc_bus; - unsigned int prcc_kernel; - - struct clk *parent_cluster; - struct clk *parent_periph; -#if defined(CONFIG_DEBUG_FS) - struct dentry *dent; /* For visible tree hierarchy */ - struct dentry *dent_bus; /* For visible tree hierarchy */ -#endif -}; - -#define DEFINE_PRCMU_CLK(_name, _cg_off, _cg_bit, _reg) \ -struct clk clk_##_name = { \ - .name = #_name, \ - .ops = &clk_prcmu_ops, \ - .prcmu_cg_off = _cg_off, \ - .prcmu_cg_bit = _cg_bit, \ - .prcmu_cg_mgt = PRCM_##_reg##_MGT \ - } - -#define DEFINE_PRCMU_CLK_RATE(_name, _cg_off, _cg_bit, _reg, _rate) \ -struct clk clk_##_name = { \ - .name = #_name, \ - .ops = &clk_prcmu_ops, \ - .prcmu_cg_off = _cg_off, \ - .prcmu_cg_bit = _cg_bit, \ - .rate = _rate, \ - .prcmu_cg_mgt = PRCM_##_reg##_MGT \ - } - -#define DEFINE_PRCC_CLK(_pclust, _name, _bus_en, _kernel_en, _kernclk) \ -struct clk clk_##_name = { \ - .name = #_name, \ - .ops = &clk_prcc_ops, \ - .cluster = _pclust, \ - .prcc_bus = _bus_en, \ - .prcc_kernel = _kernel_en, \ - .parent_cluster = &clk_per##_pclust##clk, \ - .parent_periph = _kernclk \ - } - -#define DEFINE_PRCC_CLK_CUSTOM(_pclust, _name, _bus_en, _kernel_en, _kernclk, _callback, _data) \ -struct clk clk_##_name = { \ - .name = #_name, \ - .ops = &clk_prcc_ops, \ - .cluster = _pclust, \ - .prcc_bus = _bus_en, \ - .prcc_kernel = _kernel_en, \ - .parent_cluster = &clk_per##_pclust##clk, \ - .parent_periph = _kernclk, \ - .get_rate = _callback, \ - .data = (void *) _data \ - } - - -#define CLK(_clk, _devname, _conname) \ - { \ - .clk = &clk_##_clk, \ - .dev_id = _devname, \ - .con_id = _conname, \ - } - -int __init clk_db8500_ed_fixup(void); -int __init clk_init(void); - -#ifdef CONFIG_DEBUG_FS -int clk_debugfs_init(void); -#else -static inline int clk_debugfs_init(void) { return 0; } -#endif - -#ifdef CONFIG_CPU_FREQ -int clk_init_smp_twd_cpufreq(void); -#else -static inline int clk_init_smp_twd_cpufreq(void) { return 0; } -#endif diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 29574325c361..8e755638aa76 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -8,7 +8,6 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/clk.h> #include <linux/mfd/db8500-prcmu.h> #include <linux/clksrc-dbx500-prcmu.h> #include <linux/sys_soc.h> @@ -17,6 +16,7 @@ #include <linux/stat.h> #include <linux/of.h> #include <linux/of_irq.h> +#include <linux/platform_data/clk-ux500.h> #include <asm/hardware/gic.h> #include <asm/mach/map.h> @@ -25,8 +25,6 @@ #include <mach/setup.h> #include <mach/devices.h> -#include "clock.h" - void __iomem *_PRCMU_BASE; /* @@ -72,13 +70,17 @@ void __init ux500_init_irq(void) */ if (cpu_is_u8500_family()) db8500_prcmu_early_init(); - clk_init(); + + if (cpu_is_u8500_family()) + u8500_clk_init(); + else if (cpu_is_u9540()) + u9540_clk_init(); + else if (cpu_is_u8540()) + u8540_clk_init(); } void __init ux500_init_late(void) { - clk_debugfs_init(); - clk_init_smp_twd_cpufreq(); } static const char * __init ux500_get_machine(void) diff --git a/arch/arm/mach-vt8500/bv07.c b/arch/arm/mach-vt8500/bv07.c index f9fbeb2d10e9..6fd9d609ebaa 100644 --- a/arch/arm/mach-vt8500/bv07.c +++ b/arch/arm/mach-vt8500/bv07.c @@ -33,6 +33,7 @@ static struct platform_device *devices[] __initdata = { &vt8500_device_uart0, &vt8500_device_lcdc, &vt8500_device_ehci, + &vt8500_device_uhci, &vt8500_device_ge_rops, &vt8500_device_pwm, &vt8500_device_pwmbl, diff --git a/arch/arm/mach-vt8500/devices-vt8500.c b/arch/arm/mach-vt8500/devices-vt8500.c index 19519aeecf37..def7fe393a2c 100644 --- a/arch/arm/mach-vt8500/devices-vt8500.c +++ b/arch/arm/mach-vt8500/devices-vt8500.c @@ -48,6 +48,11 @@ void __init vt8500_set_resources(void) tmp[1] = wmt_irq_res(IRQ_EHCI); wmt_res_add(&vt8500_device_ehci, tmp, 2); + /* vt8500 uses a single IRQ for both EHCI and UHCI controllers */ + tmp[0] = wmt_mmio_res(VT8500_UHCI_BASE, SZ_512); + tmp[1] = wmt_irq_res(IRQ_EHCI); + wmt_res_add(&vt8500_device_uhci, tmp, 2); + tmp[0] = wmt_mmio_res(VT8500_GEGEA_BASE, SZ_256); wmt_res_add(&vt8500_device_ge_rops, tmp, 1); diff --git a/arch/arm/mach-vt8500/devices-wm8505.c b/arch/arm/mach-vt8500/devices-wm8505.c index db4594e029f4..c810454178dc 100644 --- a/arch/arm/mach-vt8500/devices-wm8505.c +++ b/arch/arm/mach-vt8500/devices-wm8505.c @@ -55,6 +55,10 @@ void __init wm8505_set_resources(void) tmp[1] = wmt_irq_res(IRQ_EHCI); wmt_res_add(&vt8500_device_ehci, tmp, 2); + tmp[0] = wmt_mmio_res(WM8505_UHCI_BASE, SZ_512); + tmp[1] = wmt_irq_res(IRQ_UHCI); + wmt_res_add(&vt8500_device_uhci, tmp, 2); + tmp[0] = wmt_mmio_res(WM8505_GEGEA_BASE, SZ_256); wmt_res_add(&vt8500_device_ge_rops, tmp, 1); diff --git a/arch/arm/mach-vt8500/devices.c b/arch/arm/mach-vt8500/devices.c index 1fcdc36b358d..46ff82dad544 100644 --- a/arch/arm/mach-vt8500/devices.c +++ b/arch/arm/mach-vt8500/devices.c @@ -204,6 +204,17 @@ struct platform_device vt8500_device_ehci = { }, }; +static u64 uhci_dma_mask = DMA_BIT_MASK(32); + +struct platform_device vt8500_device_uhci = { + .name = "platform-uhci", + .id = 0, + .dev = { + .dma_mask = &uhci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + struct platform_device vt8500_device_ge_rops = { .name = "wmt_ge_rops", .id = -1, diff --git a/arch/arm/mach-vt8500/devices.h b/arch/arm/mach-vt8500/devices.h index 188d4e17f35c..0e6d9f904c77 100644 --- a/arch/arm/mach-vt8500/devices.h +++ b/arch/arm/mach-vt8500/devices.h @@ -81,6 +81,7 @@ extern struct platform_device vt8500_device_uart5; extern struct platform_device vt8500_device_lcdc; extern struct platform_device vt8500_device_wm8505_fb; extern struct platform_device vt8500_device_ehci; +extern struct platform_device vt8500_device_uhci; extern struct platform_device vt8500_device_ge_rops; extern struct platform_device vt8500_device_pwm; extern struct platform_device vt8500_device_pwmbl; diff --git a/arch/arm/mach-vt8500/wm8505_7in.c b/arch/arm/mach-vt8500/wm8505_7in.c index db19886caf7c..4804e2a45574 100644 --- a/arch/arm/mach-vt8500/wm8505_7in.c +++ b/arch/arm/mach-vt8500/wm8505_7in.c @@ -32,6 +32,7 @@ static void __iomem *pmc_hiber; static struct platform_device *devices[] __initdata = { &vt8500_device_uart0, &vt8500_device_ehci, + &vt8500_device_uhci, &vt8500_device_wm8505_fb, &vt8500_device_ge_rops, &vt8500_device_pwm, diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index e59c4ab71bcb..13f555d62491 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -346,6 +346,8 @@ static int __init atomic_pool_init(void) (unsigned)pool->size / 1024); return 0; } + + kfree(pages); no_pages: kfree(bitmap); no_bitmap: diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h index 627d94f1b010..ec466400a200 100644 --- a/arch/arm/plat-mxc/include/mach/mx25.h +++ b/arch/arm/plat-mxc/include/mach/mx25.h @@ -98,6 +98,7 @@ #define MX25_INT_UART1 (NR_IRQS_LEGACY + 45) #define MX25_INT_GPIO2 (NR_IRQS_LEGACY + 51) #define MX25_INT_GPIO1 (NR_IRQS_LEGACY + 52) +#define MX25_INT_GPT1 (NR_IRQS_LEGACY + 54) #define MX25_INT_FEC (NR_IRQS_LEGACY + 57) #define MX25_DMA_REQ_SSI2_RX1 22 diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h index 1a52725ffcf2..a531149823bb 100644 --- a/arch/arm/plat-omap/include/plat/omap-serial.h +++ b/arch/arm/plat-omap/include/plat/omap-serial.h @@ -18,7 +18,7 @@ #define __OMAP_SERIAL_H__ #include <linux/serial_core.h> -#include <linux/platform_device.h> +#include <linux/device.h> #include <linux/pm_qos.h> #include <plat/mux.h> @@ -42,10 +42,10 @@ #define OMAP_UART_WER_MOD_WKUP 0X7F /* Enable XON/XOFF flow control on output */ -#define OMAP_UART_SW_TX 0x04 +#define OMAP_UART_SW_TX 0x8 /* Enable XON/XOFF flow control on input */ -#define OMAP_UART_SW_RX 0x04 +#define OMAP_UART_SW_RX 0x2 #define OMAP_UART_SYSC_RESET 0X07 #define OMAP_UART_TCR_TRIG 0X0F @@ -69,11 +69,14 @@ struct omap_uart_port_info { unsigned int dma_rx_timeout; unsigned int autosuspend_timeout; unsigned int dma_rx_poll_rate; + int DTR_gpio; + int DTR_inverted; + int DTR_present; int (*get_context_loss_count)(struct device *); - void (*set_forceidle)(struct platform_device *); - void (*set_noidle)(struct platform_device *); - void (*enable_wakeup)(struct platform_device *, bool); + void (*set_forceidle)(struct device *); + void (*set_noidle)(struct device *); + void (*enable_wakeup)(struct device *, bool); }; struct uart_omap_dma { @@ -102,39 +105,4 @@ struct uart_omap_dma { unsigned int rx_timeout; }; -struct uart_omap_port { - struct uart_port port; - struct uart_omap_dma uart_dma; - struct platform_device *pdev; - - unsigned char ier; - unsigned char lcr; - unsigned char mcr; - unsigned char fcr; - unsigned char efr; - unsigned char dll; - unsigned char dlh; - unsigned char mdr1; - unsigned char scr; - - int use_dma; - /* - * Some bits in registers are cleared on a read, so they must - * be saved whenever the register is read but the bits will not - * be immediately processed. - */ - unsigned int lsr_break_flag; - unsigned char msr_saved_flags; - char name[20]; - unsigned long port_activity; - u32 context_loss_cnt; - u32 errata; - u8 wakeups_enabled; - - struct pm_qos_request pm_qos_request; - u32 latency; - u32 calc_latency; - struct work_struct qos_work; -}; - #endif /* __OMAP_SERIAL_H__ */ diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 65c5eca475e7..d1116e2dfbea 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -144,6 +144,7 @@ long clk_round_rate(struct clk *clk, unsigned long rate) int clk_set_rate(struct clk *clk, unsigned long rate) { + unsigned long flags; int ret; if (IS_ERR(clk)) @@ -159,9 +160,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) if (clk->ops == NULL || clk->ops->set_rate == NULL) return -EINVAL; - spin_lock(&clocks_lock); + spin_lock_irqsave(&clocks_lock, flags); ret = (clk->ops->set_rate)(clk, rate); - spin_unlock(&clocks_lock); + spin_unlock_irqrestore(&clocks_lock, flags); return ret; } @@ -173,17 +174,18 @@ struct clk *clk_get_parent(struct clk *clk) int clk_set_parent(struct clk *clk, struct clk *parent) { + unsigned long flags; int ret = 0; if (IS_ERR(clk)) return -EINVAL; - spin_lock(&clocks_lock); + spin_lock_irqsave(&clocks_lock, flags); if (clk->ops && clk->ops->set_parent) ret = (clk->ops->set_parent)(clk, parent); - spin_unlock(&clocks_lock); + spin_unlock_irqrestore(&clocks_lock, flags); return ret; } |