[mirror_ubuntu-jammy-kernel.git] / arch / arm / mach-orion / common.c

/*
 * 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;
		}
}
Commit	Line	Data
585cf175 TP	1	/*
	2	* arch/arm/mach-orion/common.c
	3	*
	4	* Core functions for Marvell Orion System On Chip
	5	*
	6	* Maintainer: Tzachi Perelstein <tzachi@marvell.com>
	7	*
	8	* This file is licensed under the terms of the GNU General Public
	9	* License version 2. This program is licensed "as is" without any
	10	* warranty of any kind, whether express or implied.
	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
ca26f7d3 TP	15	#include <linux/platform_device.h>
ca26f7d3 TP	16	#include <linux/serial_8250.h>
83b6d822	17	#include <linux/mbus.h>
e07c9d85	18	#include <linux/mv643xx_eth.h>
144aa3db	19	#include <linux/mv643xx_i2c.h>
15a32632	20	#include <linux/ata_platform.h>
585cf175	21	#include <asm/page.h>
be73a347	22	#include <asm/setup.h>
c67de5b3	23	#include <asm/timex.h>
be73a347	24	#include <asm/mach/arch.h>
585cf175	25	#include <asm/mach/map.h>
2bac1de2	26	#include <asm/mach/time.h>
f244baa3	27	#include <asm/arch/hardware.h>
2bac1de2	28	#include <asm/arch/orion.h>
705a7521	29	#include <asm/plat-orion/ehci-orion.h>
5d4294c5	30	#include <asm/plat-orion/orion_nand.h>
2bac1de2	31	#include <asm/plat-orion/time.h>
585cf175 TP	32	#include "common.h"
	33
	34	/*****************************************************************************
	35	* I/O Address Mapping
	36	****************************************************************************/
	37	static struct map_desc orion_io_desc[] __initdata = {
	38	{
7f74c2c7 LB	39	.virtual = ORION_REGS_VIRT_BASE,
7f74c2c7 LB	40	.pfn = __phys_to_pfn(ORION_REGS_PHYS_BASE),
585cf175 TP	41	.length = ORION_REGS_SIZE,
	42	.type = MT_DEVICE
	43	},
	44	{
7f74c2c7 LB	45	.virtual = ORION_PCIE_IO_VIRT_BASE,
7f74c2c7 LB	46	.pfn = __phys_to_pfn(ORION_PCIE_IO_PHYS_BASE),
585cf175 TP	47	.length = ORION_PCIE_IO_SIZE,
	48	.type = MT_DEVICE
	49	},
	50	{
7f74c2c7 LB	51	.virtual = ORION_PCI_IO_VIRT_BASE,
7f74c2c7 LB	52	.pfn = __phys_to_pfn(ORION_PCI_IO_PHYS_BASE),
585cf175 TP	53	.length = ORION_PCI_IO_SIZE,
	54	.type = MT_DEVICE
	55	},
	56	{
7f74c2c7 LB	57	.virtual = ORION_PCIE_WA_VIRT_BASE,
7f74c2c7 LB	58	.pfn = __phys_to_pfn(ORION_PCIE_WA_PHYS_BASE),
585cf175 TP	59	.length = ORION_PCIE_WA_SIZE,
	60	.type = MT_DEVICE
	61	},
	62	};
	63
	64	void __init orion_map_io(void)
	65	{
	66	iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc));
	67	}
c67de5b3	68
ca26f7d3 TP	69	/*****************************************************************************
	70	* UART
	71	****************************************************************************/
	72
	73	static struct resource orion_uart_resources[] = {
	74	{
7f74c2c7 LB	75	.start = UART0_PHYS_BASE,
7f74c2c7 LB	76	.end = UART0_PHYS_BASE + 0xff,
ca26f7d3 TP	77	.flags = IORESOURCE_MEM,
	78	},
	79	{
	80	.start = IRQ_ORION_UART0,
	81	.end = IRQ_ORION_UART0,
	82	.flags = IORESOURCE_IRQ,
	83	},
	84	{
7f74c2c7 LB	85	.start = UART1_PHYS_BASE,
7f74c2c7 LB	86	.end = UART1_PHYS_BASE + 0xff,
ca26f7d3 TP	87	.flags = IORESOURCE_MEM,
	88	},
	89	{
	90	.start = IRQ_ORION_UART1,
	91	.end = IRQ_ORION_UART1,
	92	.flags = IORESOURCE_IRQ,
	93	},
	94	};
	95
	96	static struct plat_serial8250_port orion_uart_data[] = {
	97	{
7f74c2c7 LB	98	.mapbase = UART0_PHYS_BASE,
7f74c2c7 LB	99	.membase = (char *)UART0_VIRT_BASE,
ca26f7d3 TP	100	.irq = IRQ_ORION_UART0,
	101	.flags = UPF_SKIP_TEST \| UPF_BOOT_AUTOCONF,
	102	.iotype = UPIO_MEM,
	103	.regshift = 2,
	104	.uartclk = ORION_TCLK,
	105	},
	106	{
7f74c2c7 LB	107	.mapbase = UART1_PHYS_BASE,
7f74c2c7 LB	108	.membase = (char *)UART1_VIRT_BASE,
ca26f7d3 TP	109	.irq = IRQ_ORION_UART1,
	110	.flags = UPF_SKIP_TEST \| UPF_BOOT_AUTOCONF,
	111	.iotype = UPIO_MEM,
	112	.regshift = 2,
	113	.uartclk = ORION_TCLK,
	114	},
	115	{ },
	116	};
	117
	118	static struct platform_device orion_uart = {
	119	.name = "serial8250",
	120	.id = PLAT8250_DEV_PLATFORM,
	121	.dev = {
	122	.platform_data = orion_uart_data,
	123	},
	124	.resource = orion_uart_resources,
	125	.num_resources = ARRAY_SIZE(orion_uart_resources),
	126	};
	127
	128	/*******************************************************************************
	129	* USB Controller - 2 interfaces
	130	******************************************************************************/
	131
	132	static struct resource orion_ehci0_resources[] = {
	133	{
7f74c2c7 LB	134	.start = ORION_USB0_PHYS_BASE,
7f74c2c7 LB	135	.end = ORION_USB0_PHYS_BASE + SZ_4K,
ca26f7d3 TP	136	.flags = IORESOURCE_MEM,
	137	},
	138	{
	139	.start = IRQ_ORION_USB0_CTRL,
	140	.end = IRQ_ORION_USB0_CTRL,
	141	.flags = IORESOURCE_IRQ,
	142	},
	143	};
	144
	145	static struct resource orion_ehci1_resources[] = {
	146	{
7f74c2c7 LB	147	.start = ORION_USB1_PHYS_BASE,
7f74c2c7 LB	148	.end = ORION_USB1_PHYS_BASE + SZ_4K,
ca26f7d3 TP	149	.flags = IORESOURCE_MEM,
	150	},
	151	{
	152	.start = IRQ_ORION_USB1_CTRL,
	153	.end = IRQ_ORION_USB1_CTRL,
	154	.flags = IORESOURCE_IRQ,
	155	},
	156	};
	157
92aecfa9 LB	158	static struct orion_ehci_data orion_ehci_data = {
	159	.dram = &orion_mbus_dram_info,
	160	};
	161
ca26f7d3 TP	162	static u64 ehci_dmamask = 0xffffffffUL;
	163
	164	static struct platform_device orion_ehci0 = {
	165	.name = "orion-ehci",
	166	.id = 0,
	167	.dev = {
	168	.dma_mask = &ehci_dmamask,
	169	.coherent_dma_mask = 0xffffffff,
92aecfa9	170	.platform_data = &orion_ehci_data,
ca26f7d3 TP	171	},
	172	.resource = orion_ehci0_resources,
	173	.num_resources = ARRAY_SIZE(orion_ehci0_resources),
	174	};
	175
	176	static struct platform_device orion_ehci1 = {
	177	.name = "orion-ehci",
	178	.id = 1,
	179	.dev = {
	180	.dma_mask = &ehci_dmamask,
	181	.coherent_dma_mask = 0xffffffff,
92aecfa9	182	.platform_data = &orion_ehci_data,
ca26f7d3 TP	183	},
	184	.resource = orion_ehci1_resources,
	185	.num_resources = ARRAY_SIZE(orion_ehci1_resources),
	186	};
	187
e07c9d85 TP	188	/*****************************************************************************
	189	* Gigabit Ethernet port
	190	* (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
	191	****************************************************************************/
	192
	193	static struct resource orion_eth_shared_resources[] = {
	194	{
88603f1d LB	195	.start = ORION_ETH_PHYS_BASE + 0x2000,
88603f1d LB	196	.end = ORION_ETH_PHYS_BASE + 0x3fff,
e07c9d85 TP	197	.flags = IORESOURCE_MEM,
	198	},
	199	};
	200
	201	static struct platform_device orion_eth_shared = {
	202	.name = MV643XX_ETH_SHARED_NAME,
	203	.id = 0,
	204	.num_resources = 1,
	205	.resource = orion_eth_shared_resources,
	206	};
	207
	208	static struct resource orion_eth_resources[] = {
	209	{
	210	.name = "eth irq",
	211	.start = IRQ_ORION_ETH_SUM,
	212	.end = IRQ_ORION_ETH_SUM,
	213	.flags = IORESOURCE_IRQ,
	214	}
	215	};
	216
	217	static struct platform_device orion_eth = {
	218	.name = MV643XX_ETH_NAME,
	219	.id = 0,
	220	.num_resources = 1,
	221	.resource = orion_eth_resources,
	222	};
	223
	224	void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data)
	225	{
	226	orion_eth.dev.platform_data = eth_data;
	227	platform_device_register(&orion_eth_shared);
	228	platform_device_register(&orion_eth);
	229	}
	230
144aa3db HVR	231	/*****************************************************************************
	232	* I2C controller
	233	* (The Orion and Discovery (MV643xx) families share the same I2C controller)
	234	****************************************************************************/
	235
	236	static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
	237	.freq_m = 8, /* assumes 166 MHz TCLK */
	238	.freq_n = 3,
	239	.timeout = 1000, /* Default timeout of 1 second */
	240	};
	241
	242	static struct resource orion_i2c_resources[] = {
	243	{
	244	.name = "i2c base",
7f74c2c7 LB	245	.start = I2C_PHYS_BASE,
7f74c2c7 LB	246	.end = I2C_PHYS_BASE + 0x20 -1,
144aa3db HVR	247	.flags = IORESOURCE_MEM,
	248	},
	249	{
	250	.name = "i2c irq",
	251	.start = IRQ_ORION_I2C,
	252	.end = IRQ_ORION_I2C,
	253	.flags = IORESOURCE_IRQ,
	254	},
	255	};
	256
	257	static struct platform_device orion_i2c = {
	258	.name = MV64XXX_I2C_CTLR_NAME,
	259	.id = 0,
	260	.num_resources = ARRAY_SIZE(orion_i2c_resources),
	261	.resource = orion_i2c_resources,
	262	.dev = {
	263	.platform_data = &orion_i2c_pdata,
	264	},
	265	};
	266
f244baa3 SB	267	/*****************************************************************************
	268	* Sata port
	269	****************************************************************************/
	270	static struct resource orion_sata_resources[] = {
	271	{
	272	.name = "sata base",
7f74c2c7 LB	273	.start = ORION_SATA_PHYS_BASE,
7f74c2c7 LB	274	.end = ORION_SATA_PHYS_BASE + 0x5000 - 1,
f244baa3 SB	275	.flags = IORESOURCE_MEM,
	276	},
	277	{
	278	.name = "sata irq",
	279	.start = IRQ_ORION_SATA,
	280	.end = IRQ_ORION_SATA,
	281	.flags = IORESOURCE_IRQ,
	282	},
	283	};
	284
	285	static struct platform_device orion_sata = {
	286	.name = "sata_mv",
	287	.id = 0,
	288	.dev = {
	289	.coherent_dma_mask = 0xffffffff,
	290	},
	291	.num_resources = ARRAY_SIZE(orion_sata_resources),
	292	.resource = orion_sata_resources,
	293	};
	294
	295	void __init orion_sata_init(struct mv_sata_platform_data *sata_data)
	296	{
15a32632	297	sata_data->dram = &orion_mbus_dram_info;
f244baa3 SB	298	orion_sata.dev.platform_data = sata_data;
	299	platform_device_register(&orion_sata);
	300	}
	301
2bac1de2 LB	302	/*****************************************************************************
	303	* Time handling
	304	****************************************************************************/
	305
	306	static void orion_timer_init(void)
	307	{
	308	orion_time_init(IRQ_ORION_BRIDGE, ORION_TCLK);
	309	}
	310
	311	struct sys_timer orion_timer = {
	312	.init = orion_timer_init,
	313	};
	314
c67de5b3 TP	315	/*****************************************************************************
	316	* General
	317	****************************************************************************/
	318
	319	/*
	320	* Identify device ID and rev from PCIE configuration header space '0'.
	321	*/
a9984270	322	static void __init orion_id(u32 dev, u32 rev, char **dev_name)
c67de5b3 TP	323	{
	324	orion_pcie_id(dev, rev);
	325
	326	if (*dev == MV88F5281_DEV_ID) {
	327	if (*rev == MV88F5281_REV_D2) {
	328	*dev_name = "MV88F5281-D2";
	329	} else if (*rev == MV88F5281_REV_D1) {
	330	*dev_name = "MV88F5281-D1";
	331	} else {
	332	*dev_name = "MV88F5281-Rev-Unsupported";
	333	}
	334	} else if (*dev == MV88F5182_DEV_ID) {
	335	if (*rev == MV88F5182_REV_A2) {
	336	*dev_name = "MV88F5182-A2";
	337	} else {
	338	*dev_name = "MV88F5182-Rev-Unsupported";
	339	}
c9e3de94 HVR	340	} else if (*dev == MV88F5181_DEV_ID) {
	341	if (*rev == MV88F5181_REV_B1) {
	342	*dev_name = "MV88F5181-Rev-B1";
	343	} else {
	344	*dev_name = "MV88F5181-Rev-Unsupported";
	345	}
c67de5b3 TP	346	} else {
	347	*dev_name = "Device-Unknown";
	348	}
	349	}
	350
	351	void __init orion_init(void)
	352	{
	353	char *dev_name;
	354	u32 dev, rev;
	355
	356	orion_id(&dev, &rev, &dev_name);
	357	printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION_TCLK);
	358
	359	/*
	360	* Setup Orion address map
	361	*/
98f79d1e	362	orion_setup_cpu_mbus_bridge();
c67de5b3	363	orion_setup_eth_wins();
ca26f7d3 TP	364
	365	/*
	366	* REgister devices
	367	*/
	368	platform_device_register(&orion_uart);
	369	platform_device_register(&orion_ehci0);
	370	if (dev == MV88F5182_DEV_ID)
	371	platform_device_register(&orion_ehci1);
144aa3db	372	platform_device_register(&orion_i2c);
c67de5b3	373	}
be73a347 GL	374
	375	/*
	376	* Many orion-based systems have buggy bootloader implementations.
	377	* This is a common fixup for bogus memory tags.
	378	*/
	379	void __init tag_fixup_mem32(struct machine_desc mdesc, struct tag t,
	380	char *from, struct meminfo meminfo)
	381	{
	382	for (; t->hdr.size; t = tag_next(t))
	383	if (t->hdr.tag == ATAG_MEM &&
	384	(!t->u.mem.size \|\| t->u.mem.size & ~PAGE_MASK \|\|
	385	t->u.mem.start & ~PAGE_MASK)) {
	386	printk(KERN_WARNING
	387	"Clearing invalid memory bank %dKB@0x%08x\n",
	388	t->u.mem.size / 1024, t->u.mem.start);
	389	t->hdr.tag = 0;
	390	}
	391	}