| /* |
| * Platform device support for Au1x00 SoCs. |
| * |
| * Copyright 2004, Matt Porter <mporter@kernel.crashing.org> |
| * |
| * (C) Copyright Embedded Alley Solutions, Inc 2005 |
| * Author: Pantelis Antoniou <pantelis@embeddedalley.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/platform_device.h> |
| #include <linux/serial_8250.h> |
| #include <linux/init.h> |
| |
| #include <asm/mach-au1x00/au1xxx.h> |
| #include <asm/mach-au1x00/au1xxx_dbdma.h> |
| #include <asm/mach-au1x00/au1100_mmc.h> |
| #include <asm/mach-au1x00/au1xxx_eth.h> |
| |
| #define PORT(_base, _irq) \ |
| { \ |
| .mapbase = _base, \ |
| .irq = _irq, \ |
| .regshift = 2, \ |
| .iotype = UPIO_AU, \ |
| .flags = UPF_SKIP_TEST | UPF_IOREMAP | \ |
| UPF_FIXED_TYPE, \ |
| .type = PORT_16550A, \ |
| } |
| |
| static struct plat_serial8250_port au1x00_uart_data[] = { |
| #if defined(CONFIG_SERIAL_8250_AU1X00) |
| #if defined(CONFIG_SOC_AU1000) |
| PORT(UART0_PHYS_ADDR, AU1000_UART0_INT), |
| PORT(UART1_PHYS_ADDR, AU1000_UART1_INT), |
| PORT(UART2_PHYS_ADDR, AU1000_UART2_INT), |
| PORT(UART3_PHYS_ADDR, AU1000_UART3_INT), |
| #elif defined(CONFIG_SOC_AU1500) |
| PORT(UART0_PHYS_ADDR, AU1500_UART0_INT), |
| PORT(UART3_PHYS_ADDR, AU1500_UART3_INT), |
| #elif defined(CONFIG_SOC_AU1100) |
| PORT(UART0_PHYS_ADDR, AU1100_UART0_INT), |
| PORT(UART1_PHYS_ADDR, AU1100_UART1_INT), |
| PORT(UART3_PHYS_ADDR, AU1100_UART3_INT), |
| #elif defined(CONFIG_SOC_AU1550) |
| PORT(UART0_PHYS_ADDR, AU1550_UART0_INT), |
| PORT(UART1_PHYS_ADDR, AU1550_UART1_INT), |
| PORT(UART3_PHYS_ADDR, AU1550_UART3_INT), |
| #elif defined(CONFIG_SOC_AU1200) |
| PORT(UART0_PHYS_ADDR, AU1200_UART0_INT), |
| PORT(UART1_PHYS_ADDR, AU1200_UART1_INT), |
| #endif |
| #endif /* CONFIG_SERIAL_8250_AU1X00 */ |
| { }, |
| }; |
| |
| static struct platform_device au1xx0_uart_device = { |
| .name = "serial8250", |
| .id = PLAT8250_DEV_AU1X00, |
| .dev = { |
| .platform_data = au1x00_uart_data, |
| }, |
| }; |
| |
| /* OHCI (USB full speed host controller) */ |
| static struct resource au1xxx_usb_ohci_resources[] = { |
| [0] = { |
| .start = USB_OHCI_BASE, |
| .end = USB_OHCI_BASE + USB_OHCI_LEN - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = FOR_PLATFORM_C_USB_HOST_INT, |
| .end = FOR_PLATFORM_C_USB_HOST_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| /* The dmamask must be set for OHCI to work */ |
| static u64 ohci_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1xxx_usb_ohci_device = { |
| .name = "au1xxx-ohci", |
| .id = 0, |
| .dev = { |
| .dma_mask = &ohci_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1xxx_usb_ohci_resources), |
| .resource = au1xxx_usb_ohci_resources, |
| }; |
| |
| /*** AU1100 LCD controller ***/ |
| |
| #ifdef CONFIG_FB_AU1100 |
| static struct resource au1100_lcd_resources[] = { |
| [0] = { |
| .start = LCD_PHYS_ADDR, |
| .end = LCD_PHYS_ADDR + 0x800 - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1100_LCD_INT, |
| .end = AU1100_LCD_INT, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1100_lcd_device = { |
| .name = "au1100-lcd", |
| .id = 0, |
| .dev = { |
| .dma_mask = &au1100_lcd_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1100_lcd_resources), |
| .resource = au1100_lcd_resources, |
| }; |
| #endif |
| |
| #ifdef CONFIG_SOC_AU1200 |
| /* EHCI (USB high speed host controller) */ |
| static struct resource au1xxx_usb_ehci_resources[] = { |
| [0] = { |
| .start = USB_EHCI_BASE, |
| .end = USB_EHCI_BASE + USB_EHCI_LEN - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_USB_INT, |
| .end = AU1200_USB_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static u64 ehci_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1xxx_usb_ehci_device = { |
| .name = "au1xxx-ehci", |
| .id = 0, |
| .dev = { |
| .dma_mask = &ehci_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1xxx_usb_ehci_resources), |
| .resource = au1xxx_usb_ehci_resources, |
| }; |
| |
| /* Au1200 UDC (USB gadget controller) */ |
| static struct resource au1xxx_usb_gdt_resources[] = { |
| [0] = { |
| .start = USB_UDC_BASE, |
| .end = USB_UDC_BASE + USB_UDC_LEN - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_USB_INT, |
| .end = AU1200_USB_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static u64 udc_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1xxx_usb_gdt_device = { |
| .name = "au1xxx-udc", |
| .id = 0, |
| .dev = { |
| .dma_mask = &udc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1xxx_usb_gdt_resources), |
| .resource = au1xxx_usb_gdt_resources, |
| }; |
| |
| /* Au1200 UOC (USB OTG controller) */ |
| static struct resource au1xxx_usb_otg_resources[] = { |
| [0] = { |
| .start = USB_UOC_BASE, |
| .end = USB_UOC_BASE + USB_UOC_LEN - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_USB_INT, |
| .end = AU1200_USB_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static u64 uoc_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1xxx_usb_otg_device = { |
| .name = "au1xxx-uoc", |
| .id = 0, |
| .dev = { |
| .dma_mask = &uoc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1xxx_usb_otg_resources), |
| .resource = au1xxx_usb_otg_resources, |
| }; |
| |
| static struct resource au1200_lcd_resources[] = { |
| [0] = { |
| .start = LCD_PHYS_ADDR, |
| .end = LCD_PHYS_ADDR + 0x800 - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_LCD_INT, |
| .end = AU1200_LCD_INT, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static u64 au1200_lcd_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device au1200_lcd_device = { |
| .name = "au1200-lcd", |
| .id = 0, |
| .dev = { |
| .dma_mask = &au1200_lcd_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| }, |
| .num_resources = ARRAY_SIZE(au1200_lcd_resources), |
| .resource = au1200_lcd_resources, |
| }; |
| |
| static u64 au1xxx_mmc_dmamask = DMA_BIT_MASK(32); |
| |
| extern struct au1xmmc_platform_data au1xmmc_platdata[2]; |
| |
| static struct resource au1200_mmc0_resources[] = { |
| [0] = { |
| .start = SD0_PHYS_ADDR, |
| .end = SD0_PHYS_ADDR + 0x7ffff, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_SD_INT, |
| .end = AU1200_SD_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| [2] = { |
| .start = DSCR_CMD0_SDMS_TX0, |
| .end = DSCR_CMD0_SDMS_TX0, |
| .flags = IORESOURCE_DMA, |
| }, |
| [3] = { |
| .start = DSCR_CMD0_SDMS_RX0, |
| .end = DSCR_CMD0_SDMS_RX0, |
| .flags = IORESOURCE_DMA, |
| } |
| }; |
| |
| static struct platform_device au1200_mmc0_device = { |
| .name = "au1xxx-mmc", |
| .id = 0, |
| .dev = { |
| .dma_mask = &au1xxx_mmc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &au1xmmc_platdata[0], |
| }, |
| .num_resources = ARRAY_SIZE(au1200_mmc0_resources), |
| .resource = au1200_mmc0_resources, |
| }; |
| |
| #ifndef CONFIG_MIPS_DB1200 |
| static struct resource au1200_mmc1_resources[] = { |
| [0] = { |
| .start = SD1_PHYS_ADDR, |
| .end = SD1_PHYS_ADDR + 0x7ffff, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AU1200_SD_INT, |
| .end = AU1200_SD_INT, |
| .flags = IORESOURCE_IRQ, |
| }, |
| [2] = { |
| .start = DSCR_CMD0_SDMS_TX1, |
| .end = DSCR_CMD0_SDMS_TX1, |
| .flags = IORESOURCE_DMA, |
| }, |
| [3] = { |
| .start = DSCR_CMD0_SDMS_RX1, |
| .end = DSCR_CMD0_SDMS_RX1, |
| .flags = IORESOURCE_DMA, |
| } |
| }; |
| |
| static struct platform_device au1200_mmc1_device = { |
| .name = "au1xxx-mmc", |
| .id = 1, |
| .dev = { |
| .dma_mask = &au1xxx_mmc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &au1xmmc_platdata[1], |
| }, |
| .num_resources = ARRAY_SIZE(au1200_mmc1_resources), |
| .resource = au1200_mmc1_resources, |
| }; |
| #endif /* #ifndef CONFIG_MIPS_DB1200 */ |
| #endif /* #ifdef CONFIG_SOC_AU1200 */ |
| |
| /* All Alchemy demoboards with I2C have this #define in their headers */ |
| #ifdef SMBUS_PSC_BASE |
| static struct resource pbdb_smbus_resources[] = { |
| { |
| .start = CPHYSADDR(SMBUS_PSC_BASE), |
| .end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff), |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device pbdb_smbus_device = { |
| .name = "au1xpsc_smbus", |
| .id = 0, /* bus number */ |
| .num_resources = ARRAY_SIZE(pbdb_smbus_resources), |
| .resource = pbdb_smbus_resources, |
| }; |
| #endif |
| |
| /* Macro to help defining the Ethernet MAC resources */ |
| #define MAC_RES(_base, _enable, _irq) \ |
| { \ |
| .start = CPHYSADDR(_base), \ |
| .end = CPHYSADDR(_base + 0xffff), \ |
| .flags = IORESOURCE_MEM, \ |
| }, \ |
| { \ |
| .start = CPHYSADDR(_enable), \ |
| .end = CPHYSADDR(_enable + 0x3), \ |
| .flags = IORESOURCE_MEM, \ |
| }, \ |
| { \ |
| .start = _irq, \ |
| .end = _irq, \ |
| .flags = IORESOURCE_IRQ \ |
| } |
| |
| static struct resource au1xxx_eth0_resources[] = { |
| #if defined(CONFIG_SOC_AU1000) |
| MAC_RES(AU1000_ETH0_BASE, AU1000_MAC0_ENABLE, AU1000_MAC0_DMA_INT), |
| #elif defined(CONFIG_SOC_AU1100) |
| MAC_RES(AU1100_ETH0_BASE, AU1100_MAC0_ENABLE, AU1100_MAC0_DMA_INT), |
| #elif defined(CONFIG_SOC_AU1550) |
| MAC_RES(AU1550_ETH0_BASE, AU1550_MAC0_ENABLE, AU1550_MAC0_DMA_INT), |
| #elif defined(CONFIG_SOC_AU1500) |
| MAC_RES(AU1500_ETH0_BASE, AU1500_MAC0_ENABLE, AU1500_MAC0_DMA_INT), |
| #endif |
| }; |
| |
| |
| static struct au1000_eth_platform_data au1xxx_eth0_platform_data = { |
| .phy1_search_mac0 = 1, |
| }; |
| |
| static struct platform_device au1xxx_eth0_device = { |
| .name = "au1000-eth", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(au1xxx_eth0_resources), |
| .resource = au1xxx_eth0_resources, |
| .dev.platform_data = &au1xxx_eth0_platform_data, |
| }; |
| |
| #ifndef CONFIG_SOC_AU1100 |
| static struct resource au1xxx_eth1_resources[] = { |
| #if defined(CONFIG_SOC_AU1000) |
| MAC_RES(AU1000_ETH1_BASE, AU1000_MAC1_ENABLE, AU1000_MAC1_DMA_INT), |
| #elif defined(CONFIG_SOC_AU1550) |
| MAC_RES(AU1550_ETH1_BASE, AU1550_MAC1_ENABLE, AU1550_MAC1_DMA_INT), |
| #elif defined(CONFIG_SOC_AU1500) |
| MAC_RES(AU1500_ETH1_BASE, AU1500_MAC1_ENABLE, AU1500_MAC1_DMA_INT), |
| #endif |
| }; |
| |
| static struct au1000_eth_platform_data au1xxx_eth1_platform_data = { |
| .phy1_search_mac0 = 1, |
| }; |
| |
| static struct platform_device au1xxx_eth1_device = { |
| .name = "au1000-eth", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(au1xxx_eth1_resources), |
| .resource = au1xxx_eth1_resources, |
| .dev.platform_data = &au1xxx_eth1_platform_data, |
| }; |
| #endif |
| |
| void __init au1xxx_override_eth_cfg(unsigned int port, |
| struct au1000_eth_platform_data *eth_data) |
| { |
| if (!eth_data || port > 1) |
| return; |
| |
| if (port == 0) |
| memcpy(&au1xxx_eth0_platform_data, eth_data, |
| sizeof(struct au1000_eth_platform_data)); |
| #ifndef CONFIG_SOC_AU1100 |
| else |
| memcpy(&au1xxx_eth1_platform_data, eth_data, |
| sizeof(struct au1000_eth_platform_data)); |
| #endif |
| } |
| |
| static struct platform_device *au1xxx_platform_devices[] __initdata = { |
| &au1xx0_uart_device, |
| &au1xxx_usb_ohci_device, |
| #ifdef CONFIG_FB_AU1100 |
| &au1100_lcd_device, |
| #endif |
| #ifdef CONFIG_SOC_AU1200 |
| &au1xxx_usb_ehci_device, |
| &au1xxx_usb_gdt_device, |
| &au1xxx_usb_otg_device, |
| &au1200_lcd_device, |
| &au1200_mmc0_device, |
| #ifndef CONFIG_MIPS_DB1200 |
| &au1200_mmc1_device, |
| #endif |
| #endif |
| #ifdef SMBUS_PSC_BASE |
| &pbdb_smbus_device, |
| #endif |
| &au1xxx_eth0_device, |
| }; |
| |
| static int __init au1xxx_platform_init(void) |
| { |
| unsigned int uartclk = get_au1x00_uart_baud_base() * 16; |
| int i; |
| |
| /* Fill up uartclk. */ |
| for (i = 0; au1x00_uart_data[i].flags; i++) |
| au1x00_uart_data[i].uartclk = uartclk; |
| |
| #ifndef CONFIG_SOC_AU1100 |
| /* Register second MAC if enabled in pinfunc */ |
| if (!(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2)) |
| platform_device_register(&au1xxx_eth1_device); |
| #endif |
| |
| return platform_add_devices(au1xxx_platform_devices, |
| ARRAY_SIZE(au1xxx_platform_devices)); |
| } |
| |
| arch_initcall(au1xxx_platform_init); |
