diff options
Diffstat (limited to 'arch/arm/mach-orion/common.c')
| -rw-r--r-- | arch/arm/mach-orion/common.c | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c deleted file mode 100644 index 85c8f18268a..00000000000 --- a/arch/arm/mach-orion/common.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * arch/arm/mach-orion/common.c - * - * Core functions for Marvell Orion System On Chip - * - * 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 <asm/arch/hardware.h> -#include <asm/arch/orion.h> -#include <asm/plat-orion/ehci-orion.h> -#include <asm/plat-orion/orion_nand.h> -#include <asm/plat-orion/time.h> -#include "common.h" - -/***************************************************************************** - * I/O Address Mapping - ****************************************************************************/ -static struct map_desc orion_io_desc[] __initdata = { - { - .virtual = ORION_REGS_VIRT_BASE, - .pfn = __phys_to_pfn(ORION_REGS_PHYS_BASE), - .length = ORION_REGS_SIZE, - .type = MT_DEVICE - }, - { - .virtual = ORION_PCIE_IO_VIRT_BASE, - .pfn = __phys_to_pfn(ORION_PCIE_IO_PHYS_BASE), - .length = ORION_PCIE_IO_SIZE, - .type = MT_DEVICE - }, - { - .virtual = ORION_PCI_IO_VIRT_BASE, - .pfn = __phys_to_pfn(ORION_PCI_IO_PHYS_BASE), - .length = ORION_PCI_IO_SIZE, - .type = MT_DEVICE - }, - { - .virtual = ORION_PCIE_WA_VIRT_BASE, - .pfn = __phys_to_pfn(ORION_PCIE_WA_PHYS_BASE), - .length = ORION_PCIE_WA_SIZE, - .type = MT_DEVICE - }, -}; - -void __init orion_map_io(void) -{ - iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc)); -} - -/***************************************************************************** - * UART - ****************************************************************************/ - -static struct resource orion_uart_resources[] = { - { - .start = UART0_PHYS_BASE, - .end = UART0_PHYS_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_ORION_UART0, - .end = IRQ_ORION_UART0, - .flags = IORESOURCE_IRQ, - }, - { - .start = UART1_PHYS_BASE, - .end = UART1_PHYS_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_ORION_UART1, - .end = IRQ_ORION_UART1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct plat_serial8250_port orion_uart_data[] = { - { - .mapbase = UART0_PHYS_BASE, - .membase = (char *)UART0_VIRT_BASE, - .irq = IRQ_ORION_UART0, - .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = ORION_TCLK, - }, - { - .mapbase = UART1_PHYS_BASE, - .membase = (char *)UART1_VIRT_BASE, - .irq = IRQ_ORION_UART1, - .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = ORION_TCLK, - }, - { }, -}; - -static struct platform_device orion_uart = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = orion_uart_data, - }, - .resource = orion_uart_resources, - .num_resources = ARRAY_SIZE(orion_uart_resources), -}; - -/******************************************************************************* - * USB Controller - 2 interfaces - ******************************************************************************/ - -static struct resource orion_ehci0_resources[] = { - { - .start = ORION_USB0_PHYS_BASE, - .end = ORION_USB0_PHYS_BASE + SZ_4K, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_ORION_USB0_CTRL, - .end = IRQ_ORION_USB0_CTRL, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource orion_ehci1_resources[] = { - { - .start = ORION_USB1_PHYS_BASE, - .end = ORION_USB1_PHYS_BASE + SZ_4K, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_ORION_USB1_CTRL, - .end = IRQ_ORION_USB1_CTRL, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct orion_ehci_data orion_ehci_data = { - .dram = &orion_mbus_dram_info, -}; - -static u64 ehci_dmamask = 0xffffffffUL; - -static struct platform_device orion_ehci0 = { - .name = "orion-ehci", - .id = 0, - .dev = { - .dma_mask = &ehci_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = &orion_ehci_data, - }, - .resource = orion_ehci0_resources, - .num_resources = ARRAY_SIZE(orion_ehci0_resources), -}; - -static struct platform_device orion_ehci1 = { - .name = "orion-ehci", - .id = 1, - .dev = { - .dma_mask = &ehci_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = &orion_ehci_data, - }, - .resource = orion_ehci1_resources, - .num_resources = ARRAY_SIZE(orion_ehci1_resources), -}; - -/***************************************************************************** - * Gigabit Ethernet port - * (The Orion and Discovery (MV643xx) families use the same Ethernet driver) - ****************************************************************************/ - -static struct resource orion_eth_shared_resources[] = { - { - .start = ORION_ETH_PHYS_BASE + 0x2000, - .end = ORION_ETH_PHYS_BASE + 0x3fff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device orion_eth_shared = { - .name = MV643XX_ETH_SHARED_NAME, - .id = 0, - .num_resources = 1, - .resource = orion_eth_shared_resources, -}; - -static struct resource orion_eth_resources[] = { - { - .name = "eth irq", - .start = IRQ_ORION_ETH_SUM, - .end = IRQ_ORION_ETH_SUM, - .flags = IORESOURCE_IRQ, - } -}; - -static struct platform_device orion_eth = { - .name = MV643XX_ETH_NAME, - .id = 0, - .num_resources = 1, - .resource = orion_eth_resources, -}; - -void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data) -{ - orion_eth.dev.platform_data = eth_data; - platform_device_register(&orion_eth_shared); - platform_device_register(&orion_eth); -} - -/***************************************************************************** - * I2C controller - * (The Orion and Discovery (MV643xx) families share the same I2C controller) - ****************************************************************************/ - -static struct mv64xxx_i2c_pdata orion_i2c_pdata = { - .freq_m = 8, /* assumes 166 MHz TCLK */ - .freq_n = 3, - .timeout = 1000, /* Default timeout of 1 second */ -}; - -static struct resource orion_i2c_resources[] = { - { - .name = "i2c base", - .start = I2C_PHYS_BASE, - .end = I2C_PHYS_BASE + 0x20 -1, - .flags = IORESOURCE_MEM, - }, - { - .name = "i2c irq", - .start = IRQ_ORION_I2C, - .end = IRQ_ORION_I2C, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device orion_i2c = { - .name = MV64XXX_I2C_CTLR_NAME, - .id = 0, - .num_resources = ARRAY_SIZE(orion_i2c_resources), - .resource = orion_i2c_resources, - .dev = { - .platform_data = &orion_i2c_pdata, - }, -}; - -/***************************************************************************** - * Sata port - ****************************************************************************/ -static struct resource orion_sata_resources[] = { - { - .name = "sata base", - .start = ORION_SATA_PHYS_BASE, - .end = ORION_SATA_PHYS_BASE + 0x5000 - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "sata irq", - .start = IRQ_ORION_SATA, - .end = IRQ_ORION_SATA, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device orion_sata = { - .name = "sata_mv", - .id = 0, - .dev = { - .coherent_dma_mask = 0xffffffff, - }, - .num_resources = ARRAY_SIZE(orion_sata_resources), - .resource = orion_sata_resources, -}; - -void __init orion_sata_init(struct mv_sata_platform_data *sata_data) -{ - sata_data->dram = &orion_mbus_dram_info; - orion_sata.dev.platform_data = sata_data; - platform_device_register(&orion_sata); -} - -/***************************************************************************** - * Time handling - ****************************************************************************/ - -static void orion_timer_init(void) -{ - orion_time_init(IRQ_ORION_BRIDGE, ORION_TCLK); -} - -struct sys_timer orion_timer = { - .init = orion_timer_init, -}; - -/***************************************************************************** - * General - ****************************************************************************/ - -/* - * Identify device ID and rev from PCIE configuration header space '0'. - */ -static void __init orion_id(u32 *dev, u32 *rev, char **dev_name) -{ - orion_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 { - *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 { - *dev_name = "MV88F5181-Rev-Unsupported"; - } - } else { - *dev_name = "Device-Unknown"; - } -} - -void __init orion_init(void) -{ - char *dev_name; - u32 dev, rev; - - orion_id(&dev, &rev, &dev_name); - printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK); - - /* - * Setup Orion address map - */ - orion_setup_cpu_mbus_bridge(); - orion_setup_eth_wins(); - - /* - * Register devices. - */ - platform_device_register(&orion_uart); - platform_device_register(&orion_ehci0); - if (dev == MV88F5182_DEV_ID) - platform_device_register(&orion_ehci1); - platform_device_register(&orion_i2c); -} - -/* - * 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; - } -} |