diff options
| -rw-r--r-- | arch/arm/mach-davinci/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/usb-da8xx.c | 107 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/usb.c | 73 |
3 files changed, 109 insertions, 75 deletions
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 2e3464b8bab4..da4c336b4637 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -14,8 +14,8 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o -obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o -obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o +obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o usb-da8xx.o +obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o usb-da8xx.o obj-$(CONFIG_AINTC) += irq.o obj-$(CONFIG_CP_INTC) += cp_intc.o diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c new file mode 100644 index 000000000000..f141f5171906 --- /dev/null +++ b/arch/arm/mach-davinci/usb-da8xx.c @@ -0,0 +1,107 @@ +/* + * DA8xx USB + */ +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/platform_data/usb-davinci.h> +#include <linux/platform_device.h> +#include <linux/usb/musb.h> + +#include <mach/common.h> +#include <mach/cputype.h> +#include <mach/da8xx.h> +#include <mach/irqs.h> + +#define DA8XX_USB0_BASE 0x01e00000 +#define DA8XX_USB1_BASE 0x01e25000 + +#if IS_ENABLED(CONFIG_USB_MUSB_HDRC) + +static struct musb_hdrc_config musb_config = { + .multipoint = true, + .num_eps = 5, + .ram_bits = 10, +}; + +static struct musb_hdrc_platform_data usb_data = { + /* OTG requires a Mini-AB connector */ + .mode = MUSB_OTG, + .clock = "usb20", + .config = &musb_config, +}; + +static struct resource da8xx_usb20_resources[] = { + { + .start = DA8XX_USB0_BASE, + .end = DA8XX_USB0_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_USB_INT, + .flags = IORESOURCE_IRQ, + .name = "mc", + }, +}; + +static u64 usb_dmamask = DMA_BIT_MASK(32); + +static struct platform_device usb_dev = { + .name = "musb-da8xx", + .id = -1, + .dev = { + .platform_data = &usb_data, + .dma_mask = &usb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da8xx_usb20_resources, + .num_resources = ARRAY_SIZE(da8xx_usb20_resources), +}; + +int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt) +{ + usb_data.power = mA > 510 ? 255 : mA / 2; + usb_data.potpgt = (potpgt + 1) / 2; + + return platform_device_register(&usb_dev); +} + +#else + +int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt) +{ + return 0; +} + +#endif /* CONFIG_USB_MUSB_HDRC */ + +static struct resource da8xx_usb11_resources[] = { + [0] = { + .start = DA8XX_USB1_BASE, + .end = DA8XX_USB1_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DA8XX_IRQN, + .end = IRQ_DA8XX_IRQN, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device da8xx_usb11_device = { + .name = "ohci", + .id = 0, + .dev = { + .dma_mask = &da8xx_usb11_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(da8xx_usb11_resources), + .resource = da8xx_usb11_resources, +}; + +int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) +{ + da8xx_usb11_device.dev.platform_data = pdata; + return platform_device_register(&da8xx_usb11_device); +} diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index 6ed5a54ae74d..0e7e89c1f331 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -10,14 +10,10 @@ #include <mach/common.h> #include <mach/irqs.h> #include <mach/cputype.h> -#include <mach/da8xx.h> #include <linux/platform_data/usb-davinci.h> #define DAVINCI_USB_OTG_BASE 0x01c64000 -#define DA8XX_USB0_BASE 0x01e00000 -#define DA8XX_USB1_BASE 0x01e25000 - #if IS_ENABLED(CONFIG_USB_MUSB_HDRC) static struct musb_hdrc_config musb_config = { .multipoint = true, @@ -81,79 +77,10 @@ void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) platform_device_register(&usb_dev); } -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -static struct resource da8xx_usb20_resources[] = { - { - .start = DA8XX_USB0_BASE, - .end = DA8XX_USB0_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_DA8XX_USB_INT, - .flags = IORESOURCE_IRQ, - .name = "mc", - }, -}; - -int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) -{ - usb_data.clock = "usb20"; - usb_data.power = mA > 510 ? 255 : mA / 2; - usb_data.potpgt = (potpgt + 1) / 2; - - usb_dev.resource = da8xx_usb20_resources; - usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources); - usb_dev.name = "musb-da8xx"; - - return platform_device_register(&usb_dev); -} -#endif /* CONFIG_DAVINCI_DA8XX */ - #else void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) { } -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) -{ - return 0; -} -#endif - #endif /* CONFIG_USB_MUSB_HDRC */ - -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -static struct resource da8xx_usb11_resources[] = { - [0] = { - .start = DA8XX_USB1_BASE, - .end = DA8XX_USB1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DA8XX_IRQN, - .end = IRQ_DA8XX_IRQN, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device da8xx_usb11_device = { - .name = "ohci", - .id = 0, - .dev = { - .dma_mask = &da8xx_usb11_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(da8xx_usb11_resources), - .resource = da8xx_usb11_resources, -}; - -int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) -{ - da8xx_usb11_device.dev.platform_data = pdata; - return platform_device_register(&da8xx_usb11_device); -} -#endif /* CONFIG_DAVINCI_DA8XX */ |