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/*
* linux/arch/arm/mach-tcc8k/devices.c
*
* Copyright (C) Telechips, Inc.
* Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
*
* Licensed under the terms of GPL v2.
*
*/
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <asm/mach/map.h>
#include <mach/tcc8k-regs.h>
#include <mach/irqs.h>
#include "common.h"
static u64 tcc8k_dmamask = DMA_BIT_MASK(32);
#ifdef CONFIG_MTD_NAND_TCC
/* NAND controller */
static struct resource tcc_nand_resources[] = {
{
.start = (resource_size_t)NFC_BASE,
.end = (resource_size_t)NFC_BASE + 0x7f,
.flags = IORESOURCE_MEM,
}, {
.start = INT_NFC,
.end = INT_NFC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device tcc_nand_device = {
.name = "tcc_nand",
.id = 0,
.num_resources = ARRAY_SIZE(tcc_nand_resources),
.resource = tcc_nand_resources,
};
#endif
#ifdef CONFIG_MMC_TCC8K
/* MMC controller */
static struct resource tcc8k_mmc0_resource[] = {
{
.start = INT_SD0,
.end = INT_SD0,
.flags = IORESOURCE_IRQ,
},
};
static struct resource tcc8k_mmc1_resource[] = {
{
.start = INT_SD1,
.end = INT_SD1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device tcc8k_mmc0_device = {
.name = "tcc-mmc",
.id = 0,
.num_resources = ARRAY_SIZE(tcc8k_mmc0_resource),
.resource = tcc8k_mmc0_resource,
.dev = {
.dma_mask = &tcc8k_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};
struct platform_device tcc8k_mmc1_device = {
.name = "tcc-mmc",
.id = 1,
.num_resources = ARRAY_SIZE(tcc8k_mmc1_resource),
.resource = tcc8k_mmc1_resource,
.dev = {
.dma_mask = &tcc8k_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};
static inline void tcc8k_init_mmc(void)
{
u32 reg = __raw_readl(GPIOPS_BASE + GPIOPS_FS1_OFFS);
reg |= GPIOPS_FS1_SDH0_BITS | GPIOPS_FS1_SDH1_BITS;
__raw_writel(reg, GPIOPS_BASE + GPIOPS_FS1_OFFS);
platform_device_register(&tcc8k_mmc0_device);
platform_device_register(&tcc8k_mmc1_device);
}
#else
static inline void tcc8k_init_mmc(void) { }
#endif
#ifdef CONFIG_USB_OHCI_HCD
static int tcc8k_ohci_init(struct device *dev)
{
u32 reg;
/* Use GPIO PK19 as VBUS control output */
reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS0_OFFS);
reg &= ~(1 << 19);
__raw_writel(reg, GPIOPK_BASE + GPIOPK_FS0_OFFS);
reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS1_OFFS);
reg &= ~(1 << 19);
__raw_writel(reg, GPIOPK_BASE + GPIOPK_FS1_OFFS);
reg = __raw_readl(GPIOPK_BASE + GPIOPK_DOE_OFFS);
reg |= (1 << 19);
__raw_writel(reg, GPIOPK_BASE + GPIOPK_DOE_OFFS);
/* Turn on VBUS */
reg = __raw_readl(GPIOPK_BASE + GPIOPK_DAT_OFFS);
reg |= (1 << 19);
__raw_writel(reg, GPIOPK_BASE + GPIOPK_DAT_OFFS);
return 0;
}
static struct resource tcc8k_ohci0_resources[] = {
[0] = {
.start = (resource_size_t)USBH0_BASE,
.end = (resource_size_t)USBH0_BASE + 0x5c,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_USBH0,
.end = INT_USBH0,
.flags = IORESOURCE_IRQ,
}
};
static struct resource tcc8k_ohci1_resources[] = {
[0] = {
.start = (resource_size_t)USBH1_BASE,
.end = (resource_size_t)USBH1_BASE + 0x5c,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_USBH1,
.end = INT_USBH1,
.flags = IORESOURCE_IRQ,
}
};
static struct tccohci_platform_data tcc8k_ohci0_platform_data = {
.controller = 0,
.port_mode = PMM_PERPORT_MODE,
.init = tcc8k_ohci_init,
};
static struct tccohci_platform_data tcc8k_ohci1_platform_data = {
.controller = 1,
.port_mode = PMM_PERPORT_MODE,
.init = tcc8k_ohci_init,
};
static struct platform_device ohci0_device = {
.name = "tcc-ohci",
.id = 0,
.dev = {
.dma_mask = &tcc8k_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &tcc8k_ohci0_platform_data,
},
.num_resources = ARRAY_SIZE(tcc8k_ohci0_resources),
.resource = tcc8k_ohci0_resources,
};
static struct platform_device ohci1_device = {
.name = "tcc-ohci",
.id = 1,
.dev = {
.dma_mask = &tcc8k_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &tcc8k_ohci1_platform_data,
},
.num_resources = ARRAY_SIZE(tcc8k_ohci1_resources),
.resource = tcc8k_ohci1_resources,
};
static void __init tcc8k_init_usbhost(void)
{
platform_device_register(&ohci0_device);
platform_device_register(&ohci1_device);
}
#else
static void __init tcc8k_init_usbhost(void) { }
#endif
/* USB device controller*/
#ifdef CONFIG_USB_GADGET_TCC8K
static struct resource udc_resources[] = {
[0] = {
.start = INT_USBD,
.end = INT_USBD,
.flags = IORESOURCE_IRQ,
},
[1] = {
.start = INT_UDMA,
.end = INT_UDMA,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device tcc8k_udc_device = {
.name = "tcc-udc",
.id = 0,
.resource = udc_resources,
.num_resources = ARRAY_SIZE(udc_resources),
.dev = {
.dma_mask = &tcc8k_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static void __init tcc8k_init_usb_gadget(void)
{
platform_device_register(&tcc8k_udc_device);
}
#else
static void __init tcc8k_init_usb_gadget(void) { }
#endif /* CONFIG_USB_GADGET_TCC83X */
static int __init tcc8k_init_devices(void)
{
tcc8k_init_mmc();
tcc8k_init_usbhost();
tcc8k_init_usb_gadget();
return 0;
}
arch_initcall(tcc8k_init_devices);
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