mirror of https://gitee.com/openkylin/linux.git
316 lines
7.5 KiB
C
316 lines
7.5 KiB
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/mv643xx_eth.h>
|
|
#include <linux/mv643xx_i2c.h>
|
|
#include <asm/page.h>
|
|
#include <asm/timex.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/arch/orion.h>
|
|
#include "common.h"
|
|
|
|
/*****************************************************************************
|
|
* I/O Address Mapping
|
|
****************************************************************************/
|
|
static struct map_desc orion_io_desc[] __initdata = {
|
|
{
|
|
.virtual = ORION_REGS_BASE,
|
|
.pfn = __phys_to_pfn(ORION_REGS_BASE),
|
|
.length = ORION_REGS_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = ORION_PCIE_IO_BASE,
|
|
.pfn = __phys_to_pfn(ORION_PCIE_IO_BASE),
|
|
.length = ORION_PCIE_IO_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = ORION_PCI_IO_BASE,
|
|
.pfn = __phys_to_pfn(ORION_PCI_IO_BASE),
|
|
.length = ORION_PCI_IO_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = ORION_PCIE_WA_BASE,
|
|
.pfn = __phys_to_pfn(ORION_PCIE_WA_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_BASE,
|
|
.end = UART0_BASE + 0xff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = IRQ_ORION_UART0,
|
|
.end = IRQ_ORION_UART0,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = UART1_BASE,
|
|
.end = UART1_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_BASE,
|
|
.membase = (char *)UART0_BASE,
|
|
.irq = IRQ_ORION_UART0,
|
|
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
|
|
.iotype = UPIO_MEM,
|
|
.regshift = 2,
|
|
.uartclk = ORION_TCLK,
|
|
},
|
|
{
|
|
.mapbase = UART1_BASE,
|
|
.membase = (char *)UART1_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_REG_BASE,
|
|
.end = ORION_USB0_REG_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_REG_BASE,
|
|
.end = ORION_USB1_REG_BASE + SZ_4K,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = IRQ_ORION_USB1_CTRL,
|
|
.end = IRQ_ORION_USB1_CTRL,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
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,
|
|
},
|
|
.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,
|
|
},
|
|
.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_REG_BASE,
|
|
.end = ORION_ETH_REG_BASE + 0xffff,
|
|
.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_BASE,
|
|
.end = I2C_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,
|
|
},
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* General
|
|
****************************************************************************/
|
|
|
|
/*
|
|
* Identify device ID and rev from PCIE configuration header space '0'.
|
|
*/
|
|
static void 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_wins();
|
|
orion_setup_usb_wins();
|
|
orion_setup_eth_wins();
|
|
orion_setup_pci_wins();
|
|
orion_setup_pcie_wins();
|
|
if (dev == MV88F5182_DEV_ID)
|
|
orion_setup_sata_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);
|
|
}
|