/* * arch/arm/mach-orion5x/common.c * * Core functions for Marvell Orion 5x SoCs * * Maintainer: Tzachi Perelstein <tzachi@marvell.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/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> #include <linux/mbus.h> #include <linux/mv643xx_eth.h> #include <linux/mv643xx_i2c.h> #include <linux/ata_platform.h> #include <asm/page.h> #include <asm/setup.h> #include <asm/timex.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> #include <mach/hardware.h> #include <mach/orion5x.h> #include <plat/ehci-orion.h> #include <plat/mv_xor.h> #include <plat/orion_nand.h> #include <plat/time.h> #include "common.h" /***************************************************************************** * I/O Address Mapping ****************************************************************************/ static struct map_desc orion5x_io_desc[] __initdata = { { .virtual = ORION5X_REGS_VIRT_BASE, .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), .length = ORION5X_REGS_SIZE, .type = MT_DEVICE, }, { .virtual = ORION5X_PCIE_IO_VIRT_BASE, .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE), .length = ORION5X_PCIE_IO_SIZE, .type = MT_DEVICE, }, { .virtual = ORION5X_PCI_IO_VIRT_BASE, .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE), .length = ORION5X_PCI_IO_SIZE, .type = MT_DEVICE, }, { .virtual = ORION5X_PCIE_WA_VIRT_BASE, .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), .length = ORION5X_PCIE_WA_SIZE, .type = MT_DEVICE, }, }; void __init orion5x_map_io(void) { iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); } /***************************************************************************** * EHCI ****************************************************************************/ static struct orion_ehci_data orion5x_ehci_data = { .dram = &orion5x_mbus_dram_info, }; static u64 ehci_dmamask = 0xffffffffUL; /***************************************************************************** * EHCI0 ****************************************************************************/ static struct resource orion5x_ehci0_resources[] = { { .start = ORION5X_USB0_PHYS_BASE, .end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { .start = IRQ_ORION5X_USB0_CTRL, .end = IRQ_ORION5X_USB0_CTRL, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_ehci0 = { .name = "orion-ehci", .id = 0, .dev = { .dma_mask = &ehci_dmamask, .coherent_dma_mask = 0xffffffff, .platform_data = &orion5x_ehci_data, }, .resource = orion5x_ehci0_resources, .num_resources = ARRAY_SIZE(orion5x_ehci0_resources), }; void __init orion5x_ehci0_init(void) { platform_device_register(&orion5x_ehci0); } /***************************************************************************** * EHCI1 ****************************************************************************/ static struct resource orion5x_ehci1_resources[] = { { .start = ORION5X_USB1_PHYS_BASE, .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { .start = IRQ_ORION5X_USB1_CTRL, .end = IRQ_ORION5X_USB1_CTRL, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_ehci1 = { .name = "orion-ehci", .id = 1, .dev = { .dma_mask = &ehci_dmamask, .coherent_dma_mask = 0xffffffff, .platform_data = &orion5x_ehci_data, }, .resource = orion5x_ehci1_resources, .num_resources = ARRAY_SIZE(orion5x_ehci1_resources), }; void __init orion5x_ehci1_init(void) { platform_device_register(&orion5x_ehci1); } /***************************************************************************** * GigE ****************************************************************************/ struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = { .dram = &orion5x_mbus_dram_info, .t_clk = ORION5X_TCLK, }; static struct resource orion5x_eth_shared_resources[] = { { .start = ORION5X_ETH_PHYS_BASE + 0x2000, .end = ORION5X_ETH_PHYS_BASE + 0x3fff, .flags = IORESOURCE_MEM, }, }; static struct platform_device orion5x_eth_shared = { .name = MV643XX_ETH_SHARED_NAME, .id = 0, .dev = { .platform_data = &orion5x_eth_shared_data, }, .num_resources = 1, .resource = orion5x_eth_shared_resources, }; static struct resource orion5x_eth_resources[] = { { .name = "eth irq", .start = IRQ_ORION5X_ETH_SUM, .end = IRQ_ORION5X_ETH_SUM, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_eth = { .name = MV643XX_ETH_NAME, .id = 0, .num_resources = 1, .resource = orion5x_eth_resources, }; void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) { eth_data->shared = &orion5x_eth_shared; orion5x_eth.dev.platform_data = eth_data; platform_device_register(&orion5x_eth_shared); platform_device_register(&orion5x_eth); } /***************************************************************************** * I2C ****************************************************************************/ static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = { .freq_m = 8, /* assumes 166 MHz TCLK */ .freq_n = 3, .timeout = 1000, /* Default timeout of 1 second */ }; static struct resource orion5x_i2c_resources[] = { { .name = "i2c base", .start = I2C_PHYS_BASE, .end = I2C_PHYS_BASE + 0x1f, .flags = IORESOURCE_MEM, }, { .name = "i2c irq", .start = IRQ_ORION5X_I2C, .end = IRQ_ORION5X_I2C, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_i2c = { .name = MV64XXX_I2C_CTLR_NAME, .id = 0, .num_resources = ARRAY_SIZE(orion5x_i2c_resources), .resource = orion5x_i2c_resources, .dev = { .platform_data = &orion5x_i2c_pdata, }, }; void __init orion5x_i2c_init(void) { platform_device_register(&orion5x_i2c); } /***************************************************************************** * SATA ****************************************************************************/ static struct resource orion5x_sata_resources[] = { { .name = "sata base", .start = ORION5X_SATA_PHYS_BASE, .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1, .flags = IORESOURCE_MEM, }, { .name = "sata irq", .start = IRQ_ORION5X_SATA, .end = IRQ_ORION5X_SATA, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_sata = { .name = "sata_mv", .id = 0, .dev = { .coherent_dma_mask = 0xffffffff, }, .num_resources = ARRAY_SIZE(orion5x_sata_resources), .resource = orion5x_sata_resources, }; void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) { sata_data->dram = &orion5x_mbus_dram_info; orion5x_sata.dev.platform_data = sata_data; platform_device_register(&orion5x_sata); } /***************************************************************************** * UART0 ****************************************************************************/ static struct plat_serial8250_port orion5x_uart0_data[] = { { .mapbase = UART0_PHYS_BASE, .membase = (char *)UART0_VIRT_BASE, .irq = IRQ_ORION5X_UART0, .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, .regshift = 2, .uartclk = ORION5X_TCLK, }, { }, }; static struct resource orion5x_uart0_resources[] = { { .start = UART0_PHYS_BASE, .end = UART0_PHYS_BASE + 0xff, .flags = IORESOURCE_MEM, }, { .start = IRQ_ORION5X_UART0, .end = IRQ_ORION5X_UART0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_uart0 = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = orion5x_uart0_data, }, .resource = orion5x_uart0_resources, .num_resources = ARRAY_SIZE(orion5x_uart0_resources), }; void __init orion5x_uart0_init(void) { platform_device_register(&orion5x_uart0); } /***************************************************************************** * UART1 ****************************************************************************/ static struct plat_serial8250_port orion5x_uart1_data[] = { { .mapbase = UART1_PHYS_BASE, .membase = (char *)UART1_VIRT_BASE, .irq = IRQ_ORION5X_UART1, .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, .regshift = 2, .uartclk = ORION5X_TCLK, }, { }, }; static struct resource orion5x_uart1_resources[] = { { .start = UART1_PHYS_BASE, .end = UART1_PHYS_BASE + 0xff, .flags = IORESOURCE_MEM, }, { .start = IRQ_ORION5X_UART1, .end = IRQ_ORION5X_UART1, .flags = IORESOURCE_IRQ, }, }; static struct platform_device orion5x_uart1 = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM1, .dev = { .platform_data = orion5x_uart1_data, }, .resource = orion5x_uart1_resources, .num_resources = ARRAY_SIZE(orion5x_uart1_resources), }; void __init orion5x_uart1_init(void) { platform_device_register(&orion5x_uart1); } /***************************************************************************** * XOR engine ****************************************************************************/ static struct resource orion5x_xor_shared_resources[] = { { .name = "xor low", .start = ORION5X_XOR_PHYS_BASE, .end = ORION5X_XOR_PHYS_BASE + 0xff, .flags = IORESOURCE_MEM, }, { .name = "xor high", .start = ORION5X_XOR_PHYS_BASE + 0x200, .end = ORION5X_XOR_PHYS_BASE + 0x2ff, .flags = IORESOURCE_MEM, }, }; static struct platform_device orion5x_xor_shared = { .name = MV_XOR_SHARED_NAME, .id = 0, .num_resources = ARRAY_SIZE(orion5x_xor_shared_resources), .resource = orion5x_xor_shared_resources, }; static u64 orion5x_xor_dmamask = DMA_32BIT_MASK; static struct resource orion5x_xor0_resources[] = { [0] = { .start = IRQ_ORION5X_XOR0, .end = IRQ_ORION5X_XOR0, .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion5x_xor0_data = { .shared = &orion5x_xor_shared, .hw_id = 0, .pool_size = PAGE_SIZE, }; static struct platform_device orion5x_xor0_channel = { .name = MV_XOR_NAME, .id = 0, .num_resources = ARRAY_SIZE(orion5x_xor0_resources), .resource = orion5x_xor0_resources, .dev = { .dma_mask = &orion5x_xor_dmamask, .coherent_dma_mask = DMA_64BIT_MASK, .platform_data = (void *)&orion5x_xor0_data, }, }; static struct resource orion5x_xor1_resources[] = { [0] = { .start = IRQ_ORION5X_XOR1, .end = IRQ_ORION5X_XOR1, .flags = IORESOURCE_IRQ, }, }; static struct mv_xor_platform_data orion5x_xor1_data = { .shared = &orion5x_xor_shared, .hw_id = 1, .pool_size = PAGE_SIZE, }; static struct platform_device orion5x_xor1_channel = { .name = MV_XOR_NAME, .id = 1, .num_resources = ARRAY_SIZE(orion5x_xor1_resources), .resource = orion5x_xor1_resources, .dev = { .dma_mask = &orion5x_xor_dmamask, .coherent_dma_mask = DMA_64BIT_MASK, .platform_data = (void *)&orion5x_xor1_data, }, }; void __init orion5x_xor_init(void) { platform_device_register(&orion5x_xor_shared); /* * two engines can't do memset simultaneously, this limitation * satisfied by removing memset support from one of the engines. */ dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask); dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask); platform_device_register(&orion5x_xor0_channel); dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask); dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask); dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask); platform_device_register(&orion5x_xor1_channel); } /***************************************************************************** * Time handling ****************************************************************************/ static void orion5x_timer_init(void) { orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK); } struct sys_timer orion5x_timer = { .init = orion5x_timer_init, }; /***************************************************************************** * General ****************************************************************************/ /* * Identify device ID and rev from PCIe configuration header space '0'. */ static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) { orion5x_pcie_id(dev, rev); if (*dev == MV88F5281_DEV_ID) { if (*rev == MV88F5281_REV_D2) { *dev_name = "MV88F5281-D2"; } else if (*rev == MV88F5281_REV_D1) { *dev_name = "MV88F5281-D1"; } else if (*rev == MV88F5281_REV_D0) { *dev_name = "MV88F5281-D0"; } else { *dev_name = "MV88F5281-Rev-Unsupported"; } } else if (*dev == MV88F5182_DEV_ID) { if (*rev == MV88F5182_REV_A2) { *dev_name = "MV88F5182-A2"; } else { *dev_name = "MV88F5182-Rev-Unsupported"; } } else if (*dev == MV88F5181_DEV_ID) { if (*rev == MV88F5181_REV_B1) { *dev_name = "MV88F5181-Rev-B1"; } else if (*rev == MV88F5181L_REV_A1) { *dev_name = "MV88F5181L-Rev-A1"; } else { *dev_name = "MV88F5181(L)-Rev-Unsupported"; } } else { *dev_name = "Device-Unknown"; } } void __init orion5x_init(void) { char *dev_name; u32 dev, rev; orion5x_id(&dev, &rev, &dev_name); printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK); /* * Setup Orion address map */ orion5x_setup_cpu_mbus_bridge(); /* * Don't issue "Wait for Interrupt" instruction if we are * running on D0 5281 silicon. */ if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); disable_hlt(); } } /* * Many orion-based systems have buggy bootloader implementations. * This is a common fixup for bogus memory tags. */ void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t, char **from, struct meminfo *meminfo) { for (; t->hdr.size; t = tag_next(t)) if (t->hdr.tag == ATAG_MEM && (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || t->u.mem.start & ~PAGE_MASK)) { printk(KERN_WARNING "Clearing invalid memory bank %dKB@0x%08x\n", t->u.mem.size / 1024, t->u.mem.start); t->hdr.tag = 0; } }