/* * Platform device support for Au1x00 SoCs. * * Copyright 2004, Matt Porter * * (C) Copyright Embedded Alley Solutions, Inc 2005 * Author: Pantelis Antoniou * * 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 #include #include #include #include #include #include #include #include #include #include static void alchemy_8250_pm(struct uart_port *port, unsigned int state, unsigned int old_state) { #ifdef CONFIG_SERIAL_8250 switch (state) { case 0: alchemy_uart_enable(CPHYSADDR(port->membase)); serial8250_do_pm(port, state, old_state); break; case 3: /* power off */ serial8250_do_pm(port, state, old_state); alchemy_uart_disable(CPHYSADDR(port->membase)); break; default: serial8250_do_pm(port, state, old_state); break; } #endif } #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, \ .pm = alchemy_8250_pm, \ } static struct plat_serial8250_port au1x00_uart_data[][4] __initdata = { [ALCHEMY_CPU_AU1000] = { PORT(AU1000_UART0_PHYS_ADDR, AU1000_UART0_INT), PORT(AU1000_UART1_PHYS_ADDR, AU1000_UART1_INT), PORT(AU1000_UART2_PHYS_ADDR, AU1000_UART2_INT), PORT(AU1000_UART3_PHYS_ADDR, AU1000_UART3_INT), }, [ALCHEMY_CPU_AU1500] = { PORT(AU1000_UART0_PHYS_ADDR, AU1500_UART0_INT), PORT(AU1000_UART3_PHYS_ADDR, AU1500_UART3_INT), }, [ALCHEMY_CPU_AU1100] = { PORT(AU1000_UART0_PHYS_ADDR, AU1100_UART0_INT), PORT(AU1000_UART1_PHYS_ADDR, AU1100_UART1_INT), PORT(AU1000_UART3_PHYS_ADDR, AU1100_UART3_INT), }, [ALCHEMY_CPU_AU1550] = { PORT(AU1000_UART0_PHYS_ADDR, AU1550_UART0_INT), PORT(AU1000_UART1_PHYS_ADDR, AU1550_UART1_INT), PORT(AU1000_UART3_PHYS_ADDR, AU1550_UART3_INT), }, [ALCHEMY_CPU_AU1200] = { PORT(AU1000_UART0_PHYS_ADDR, AU1200_UART0_INT), PORT(AU1000_UART1_PHYS_ADDR, AU1200_UART1_INT), }, }; static struct platform_device au1xx0_uart_device = { .name = "serial8250", .id = PLAT8250_DEV_AU1X00, }; static void __init alchemy_setup_uarts(int ctype) { unsigned int uartclk = get_au1x00_uart_baud_base() * 16; int s = sizeof(struct plat_serial8250_port); int c = alchemy_get_uarts(ctype); struct plat_serial8250_port *ports; ports = kzalloc(s * (c + 1), GFP_KERNEL); if (!ports) { printk(KERN_INFO "Alchemy: no memory for UART data\n"); return; } memcpy(ports, au1x00_uart_data[ctype], s * c); au1xx0_uart_device.dev.platform_data = ports; /* Fill up uartclk. */ for (s = 0; s < c; s++) ports[s].uartclk = uartclk; if (platform_device_register(&au1xx0_uart_device)) printk(KERN_INFO "Alchemy: failed to register UARTs\n"); } /* 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_COUNT 3 /* MAC regs base, MAC enable reg, MAC INT */ #define MAC_RES(_base, _enable, _irq) \ { \ .start = _base, \ .end = _base + 0xffff, \ .flags = IORESOURCE_MEM, \ }, \ { \ .start = _enable, \ .end = _enable + 0x3, \ .flags = IORESOURCE_MEM, \ }, \ { \ .start = _irq, \ .end = _irq, \ .flags = IORESOURCE_IRQ \ } static struct resource au1xxx_eth0_resources[][MAC_RES_COUNT] __initdata = { [ALCHEMY_CPU_AU1000] = { MAC_RES(AU1000_MAC0_PHYS_ADDR, AU1000_MACEN_PHYS_ADDR, AU1000_MAC0_DMA_INT) }, [ALCHEMY_CPU_AU1500] = { MAC_RES(AU1500_MAC0_PHYS_ADDR, AU1500_MACEN_PHYS_ADDR, AU1500_MAC0_DMA_INT) }, [ALCHEMY_CPU_AU1100] = { MAC_RES(AU1000_MAC0_PHYS_ADDR, AU1000_MACEN_PHYS_ADDR, AU1100_MAC0_DMA_INT) }, [ALCHEMY_CPU_AU1550] = { MAC_RES(AU1000_MAC0_PHYS_ADDR, AU1000_MACEN_PHYS_ADDR, AU1550_MAC0_DMA_INT) }, }; 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 = MAC_RES_COUNT, .dev.platform_data = &au1xxx_eth0_platform_data, }; static struct resource au1xxx_eth1_resources[][MAC_RES_COUNT] __initdata = { [ALCHEMY_CPU_AU1000] = { MAC_RES(AU1000_MAC1_PHYS_ADDR, AU1000_MACEN_PHYS_ADDR + 4, AU1000_MAC1_DMA_INT) }, [ALCHEMY_CPU_AU1500] = { MAC_RES(AU1500_MAC1_PHYS_ADDR, AU1500_MACEN_PHYS_ADDR + 4, AU1500_MAC1_DMA_INT) }, [ALCHEMY_CPU_AU1550] = { MAC_RES(AU1000_MAC1_PHYS_ADDR, AU1000_MACEN_PHYS_ADDR + 4, AU1550_MAC1_DMA_INT) }, }; 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 = MAC_RES_COUNT, .dev.platform_data = &au1xxx_eth1_platform_data, }; 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)); else memcpy(&au1xxx_eth1_platform_data, eth_data, sizeof(struct au1000_eth_platform_data)); } static void __init alchemy_setup_macs(int ctype) { int ret, i; unsigned char ethaddr[6]; struct resource *macres; /* Handle 1st MAC */ if (alchemy_get_macs(ctype) < 1) return; macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC0 resources\n"); return; } memcpy(macres, au1xxx_eth0_resources[ctype], sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth0_device.resource = macres; i = prom_get_ethernet_addr(ethaddr); if (!i && !is_valid_ether_addr(au1xxx_eth0_platform_data.mac)) memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6); ret = platform_device_register(&au1xxx_eth0_device); if (!ret) printk(KERN_INFO "Alchemy: failed to register MAC0\n"); /* Handle 2nd MAC */ if (alchemy_get_macs(ctype) < 2) return; macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC1 resources\n"); return; } memcpy(macres, au1xxx_eth1_resources[ctype], sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth1_device.resource = macres; ethaddr[5] += 1; /* next addr for 2nd MAC */ if (!i && !is_valid_ether_addr(au1xxx_eth1_platform_data.mac)) memcpy(au1xxx_eth1_platform_data.mac, ethaddr, 6); /* Register second MAC if enabled in pinfunc */ if (!(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2)) { ret = platform_device_register(&au1xxx_eth1_device); if (ret) printk(KERN_INFO "Alchemy: failed to register MAC1\n"); } } static struct platform_device *au1xxx_platform_devices[] __initdata = { &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 }; static int __init au1xxx_platform_init(void) { int err, ctype = alchemy_get_cputype(); alchemy_setup_uarts(ctype); alchemy_setup_macs(ctype); err = platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices)); return err; } arch_initcall(au1xxx_platform_init);