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|
/*
* arch/arm/mach-dove/common.c
*
* Core functions for Marvell Dove 88AP510 System On Chip
*
* 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/delay.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/serial_8250.h>
#include <linux/clk.h>
#include <linux/mbus.h>
#include <linux/mv643xx_eth.h>
#include <linux/mv643xx_i2c.h>
#include <linux/ata_platform.h>
#include <linux/spi/orion_spi.h>
#include <linux/gpio.h>
#include <asm/page.h>
#include <asm/setup.h>
#include <asm/timex.h>
#include <asm/hardware/cache-tauros2.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/mach/pci.h>
#include <mach/dove.h>
#include <mach/bridge-regs.h>
#include <asm/mach/arch.h>
#include <linux/irq.h>
#include <plat/mv_xor.h>
#include <plat/ehci-orion.h>
#include <plat/time.h>
#include "common.h"
/*****************************************************************************
* I/O Address Mapping
****************************************************************************/
static struct map_desc dove_io_desc[] __initdata = {
{
.virtual = DOVE_SB_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
.length = DOVE_SB_REGS_SIZE,
.type = MT_DEVICE,
}, {
.virtual = DOVE_NB_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
.length = DOVE_NB_REGS_SIZE,
.type = MT_DEVICE,
}, {
.virtual = DOVE_PCIE0_IO_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
.length = DOVE_PCIE0_IO_SIZE,
.type = MT_DEVICE,
}, {
.virtual = DOVE_PCIE1_IO_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
.length = DOVE_PCIE1_IO_SIZE,
.type = MT_DEVICE,
},
};
void __init dove_map_io(void)
{
iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
}
/*****************************************************************************
* EHCI
****************************************************************************/
static struct orion_ehci_data dove_ehci_data = {
.dram = &dove_mbus_dram_info,
.phy_version = EHCI_PHY_NA,
};
static u64 ehci_dmamask = DMA_BIT_MASK(32);
/*****************************************************************************
* EHCI0
****************************************************************************/
static struct resource dove_ehci0_resources[] = {
{
.start = DOVE_USB0_PHYS_BASE,
.end = DOVE_USB0_PHYS_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_USB0,
.end = IRQ_DOVE_USB0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_ehci0 = {
.name = "orion-ehci",
.id = 0,
.dev = {
.dma_mask = &ehci_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &dove_ehci_data,
},
.resource = dove_ehci0_resources,
.num_resources = ARRAY_SIZE(dove_ehci0_resources),
};
void __init dove_ehci0_init(void)
{
platform_device_register(&dove_ehci0);
}
/*****************************************************************************
* EHCI1
****************************************************************************/
static struct resource dove_ehci1_resources[] = {
{
.start = DOVE_USB1_PHYS_BASE,
.end = DOVE_USB1_PHYS_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_USB1,
.end = IRQ_DOVE_USB1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_ehci1 = {
.name = "orion-ehci",
.id = 1,
.dev = {
.dma_mask = &ehci_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &dove_ehci_data,
},
.resource = dove_ehci1_resources,
.num_resources = ARRAY_SIZE(dove_ehci1_resources),
};
void __init dove_ehci1_init(void)
{
platform_device_register(&dove_ehci1);
}
/*****************************************************************************
* GE00
****************************************************************************/
struct mv643xx_eth_shared_platform_data dove_ge00_shared_data = {
.t_clk = 0,
.dram = &dove_mbus_dram_info,
};
static struct resource dove_ge00_shared_resources[] = {
{
.name = "ge00 base",
.start = DOVE_GE00_PHYS_BASE + 0x2000,
.end = DOVE_GE00_PHYS_BASE + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device dove_ge00_shared = {
.name = MV643XX_ETH_SHARED_NAME,
.id = 0,
.dev = {
.platform_data = &dove_ge00_shared_data,
},
.num_resources = 1,
.resource = dove_ge00_shared_resources,
};
static struct resource dove_ge00_resources[] = {
{
.name = "ge00 irq",
.start = IRQ_DOVE_GE00_SUM,
.end = IRQ_DOVE_GE00_SUM,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_ge00 = {
.name = MV643XX_ETH_NAME,
.id = 0,
.num_resources = 1,
.resource = dove_ge00_resources,
.dev = {
.coherent_dma_mask = 0xffffffff,
},
};
void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
{
eth_data->shared = &dove_ge00_shared;
dove_ge00.dev.platform_data = eth_data;
platform_device_register(&dove_ge00_shared);
platform_device_register(&dove_ge00);
}
/*****************************************************************************
* SoC RTC
****************************************************************************/
static struct resource dove_rtc_resource[] = {
{
.start = DOVE_RTC_PHYS_BASE,
.end = DOVE_RTC_PHYS_BASE + 32 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_RTC,
.flags = IORESOURCE_IRQ,
}
};
void __init dove_rtc_init(void)
{
platform_device_register_simple("rtc-mv", -1, dove_rtc_resource, 2);
}
/*****************************************************************************
* SATA
****************************************************************************/
static struct resource dove_sata_resources[] = {
{
.name = "sata base",
.start = DOVE_SATA_PHYS_BASE,
.end = DOVE_SATA_PHYS_BASE + 0x5000 - 1,
.flags = IORESOURCE_MEM,
}, {
.name = "sata irq",
.start = IRQ_DOVE_SATA,
.end = IRQ_DOVE_SATA,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sata = {
.name = "sata_mv",
.id = 0,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(dove_sata_resources),
.resource = dove_sata_resources,
};
void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
{
sata_data->dram = &dove_mbus_dram_info;
dove_sata.dev.platform_data = sata_data;
platform_device_register(&dove_sata);
}
/*****************************************************************************
* UART0
****************************************************************************/
static struct plat_serial8250_port dove_uart0_data[] = {
{
.mapbase = DOVE_UART0_PHYS_BASE,
.membase = (char *)DOVE_UART0_VIRT_BASE,
.irq = IRQ_DOVE_UART_0,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 0,
}, {
},
};
static struct resource dove_uart0_resources[] = {
{
.start = DOVE_UART0_PHYS_BASE,
.end = DOVE_UART0_PHYS_BASE + SZ_256 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_UART_0,
.end = IRQ_DOVE_UART_0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_uart0 = {
.name = "serial8250",
.id = 0,
.dev = {
.platform_data = dove_uart0_data,
},
.resource = dove_uart0_resources,
.num_resources = ARRAY_SIZE(dove_uart0_resources),
};
void __init dove_uart0_init(void)
{
platform_device_register(&dove_uart0);
}
/*****************************************************************************
* UART1
****************************************************************************/
static struct plat_serial8250_port dove_uart1_data[] = {
{
.mapbase = DOVE_UART1_PHYS_BASE,
.membase = (char *)DOVE_UART1_VIRT_BASE,
.irq = IRQ_DOVE_UART_1,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 0,
}, {
},
};
static struct resource dove_uart1_resources[] = {
{
.start = DOVE_UART1_PHYS_BASE,
.end = DOVE_UART1_PHYS_BASE + SZ_256 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_UART_1,
.end = IRQ_DOVE_UART_1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_uart1 = {
.name = "serial8250",
.id = 1,
.dev = {
.platform_data = dove_uart1_data,
},
.resource = dove_uart1_resources,
.num_resources = ARRAY_SIZE(dove_uart1_resources),
};
void __init dove_uart1_init(void)
{
platform_device_register(&dove_uart1);
}
/*****************************************************************************
* UART2
****************************************************************************/
static struct plat_serial8250_port dove_uart2_data[] = {
{
.mapbase = DOVE_UART2_PHYS_BASE,
.membase = (char *)DOVE_UART2_VIRT_BASE,
.irq = IRQ_DOVE_UART_2,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 0,
}, {
},
};
static struct resource dove_uart2_resources[] = {
{
.start = DOVE_UART2_PHYS_BASE,
.end = DOVE_UART2_PHYS_BASE + SZ_256 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_UART_2,
.end = IRQ_DOVE_UART_2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_uart2 = {
.name = "serial8250",
.id = 2,
.dev = {
.platform_data = dove_uart2_data,
},
.resource = dove_uart2_resources,
.num_resources = ARRAY_SIZE(dove_uart2_resources),
};
void __init dove_uart2_init(void)
{
platform_device_register(&dove_uart2);
}
/*****************************************************************************
* UART3
****************************************************************************/
static struct plat_serial8250_port dove_uart3_data[] = {
{
.mapbase = DOVE_UART3_PHYS_BASE,
.membase = (char *)DOVE_UART3_VIRT_BASE,
.irq = IRQ_DOVE_UART_3,
.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = 0,
}, {
},
};
static struct resource dove_uart3_resources[] = {
{
.start = DOVE_UART3_PHYS_BASE,
.end = DOVE_UART3_PHYS_BASE + SZ_256 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_UART_3,
.end = IRQ_DOVE_UART_3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_uart3 = {
.name = "serial8250",
.id = 3,
.dev = {
.platform_data = dove_uart3_data,
},
.resource = dove_uart3_resources,
.num_resources = ARRAY_SIZE(dove_uart3_resources),
};
void __init dove_uart3_init(void)
{
platform_device_register(&dove_uart3);
}
/*****************************************************************************
* SPI0
****************************************************************************/
static struct orion_spi_info dove_spi0_data = {
.tclk = 0,
};
static struct resource dove_spi0_resources[] = {
{
.start = DOVE_SPI0_PHYS_BASE,
.end = DOVE_SPI0_PHYS_BASE + SZ_512 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SPI0,
.end = IRQ_DOVE_SPI0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_spi0 = {
.name = "orion_spi",
.id = 0,
.resource = dove_spi0_resources,
.dev = {
.platform_data = &dove_spi0_data,
},
.num_resources = ARRAY_SIZE(dove_spi0_resources),
};
void __init dove_spi0_init(void)
{
platform_device_register(&dove_spi0);
}
/*****************************************************************************
* SPI1
****************************************************************************/
static struct orion_spi_info dove_spi1_data = {
.tclk = 0,
};
static struct resource dove_spi1_resources[] = {
{
.start = DOVE_SPI1_PHYS_BASE,
.end = DOVE_SPI1_PHYS_BASE + SZ_512 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SPI1,
.end = IRQ_DOVE_SPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_spi1 = {
.name = "orion_spi",
.id = 1,
.resource = dove_spi1_resources,
.dev = {
.platform_data = &dove_spi1_data,
},
.num_resources = ARRAY_SIZE(dove_spi1_resources),
};
void __init dove_spi1_init(void)
{
platform_device_register(&dove_spi1);
}
/*****************************************************************************
* I2C
****************************************************************************/
static struct mv64xxx_i2c_pdata dove_i2c_data = {
.freq_m = 10, /* assumes 166 MHz TCLK gets 94.3kHz */
.freq_n = 3,
.timeout = 1000, /* Default timeout of 1 second */
};
static struct resource dove_i2c_resources[] = {
{
.name = "i2c base",
.start = DOVE_I2C_PHYS_BASE,
.end = DOVE_I2C_PHYS_BASE + 0x20 - 1,
.flags = IORESOURCE_MEM,
}, {
.name = "i2c irq",
.start = IRQ_DOVE_I2C,
.end = IRQ_DOVE_I2C,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_i2c = {
.name = MV64XXX_I2C_CTLR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(dove_i2c_resources),
.resource = dove_i2c_resources,
.dev = {
.platform_data = &dove_i2c_data,
},
};
void __init dove_i2c_init(void)
{
platform_device_register(&dove_i2c);
}
/*****************************************************************************
* Time handling
****************************************************************************/
static int get_tclk(void)
{
/* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
return 166666667;
}
static void dove_timer_init(void)
{
orion_time_init(IRQ_DOVE_BRIDGE, get_tclk());
}
struct sys_timer dove_timer = {
.init = dove_timer_init,
};
/*****************************************************************************
* XOR
****************************************************************************/
static struct mv_xor_platform_shared_data dove_xor_shared_data = {
.dram = &dove_mbus_dram_info,
};
/*****************************************************************************
* XOR 0
****************************************************************************/
static u64 dove_xor0_dmamask = DMA_BIT_MASK(32);
static struct resource dove_xor0_shared_resources[] = {
{
.name = "xor 0 low",
.start = DOVE_XOR0_PHYS_BASE,
.end = DOVE_XOR0_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.name = "xor 0 high",
.start = DOVE_XOR0_HIGH_PHYS_BASE,
.end = DOVE_XOR0_HIGH_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device dove_xor0_shared = {
.name = MV_XOR_SHARED_NAME,
.id = 0,
.dev = {
.platform_data = &dove_xor_shared_data,
},
.num_resources = ARRAY_SIZE(dove_xor0_shared_resources),
.resource = dove_xor0_shared_resources,
};
static struct resource dove_xor00_resources[] = {
[0] = {
.start = IRQ_DOVE_XOR_00,
.end = IRQ_DOVE_XOR_00,
.flags = IORESOURCE_IRQ,
},
};
static struct mv_xor_platform_data dove_xor00_data = {
.shared = &dove_xor0_shared,
.hw_id = 0,
.pool_size = PAGE_SIZE,
};
static struct platform_device dove_xor00_channel = {
.name = MV_XOR_NAME,
.id = 0,
.num_resources = ARRAY_SIZE(dove_xor00_resources),
.resource = dove_xor00_resources,
.dev = {
.dma_mask = &dove_xor0_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = &dove_xor00_data,
},
};
static struct resource dove_xor01_resources[] = {
[0] = {
.start = IRQ_DOVE_XOR_01,
.end = IRQ_DOVE_XOR_01,
.flags = IORESOURCE_IRQ,
},
};
static struct mv_xor_platform_data dove_xor01_data = {
.shared = &dove_xor0_shared,
.hw_id = 1,
.pool_size = PAGE_SIZE,
};
static struct platform_device dove_xor01_channel = {
.name = MV_XOR_NAME,
.id = 1,
.num_resources = ARRAY_SIZE(dove_xor01_resources),
.resource = dove_xor01_resources,
.dev = {
.dma_mask = &dove_xor0_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = &dove_xor01_data,
},
};
void __init dove_xor0_init(void)
{
platform_device_register(&dove_xor0_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, dove_xor00_data.cap_mask);
dma_cap_set(DMA_XOR, dove_xor00_data.cap_mask);
platform_device_register(&dove_xor00_channel);
dma_cap_set(DMA_MEMCPY, dove_xor01_data.cap_mask);
dma_cap_set(DMA_MEMSET, dove_xor01_data.cap_mask);
dma_cap_set(DMA_XOR, dove_xor01_data.cap_mask);
platform_device_register(&dove_xor01_channel);
}
/*****************************************************************************
* XOR 1
****************************************************************************/
static u64 dove_xor1_dmamask = DMA_BIT_MASK(32);
static struct resource dove_xor1_shared_resources[] = {
{
.name = "xor 0 low",
.start = DOVE_XOR1_PHYS_BASE,
.end = DOVE_XOR1_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.name = "xor 0 high",
.start = DOVE_XOR1_HIGH_PHYS_BASE,
.end = DOVE_XOR1_HIGH_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device dove_xor1_shared = {
.name = MV_XOR_SHARED_NAME,
.id = 1,
.dev = {
.platform_data = &dove_xor_shared_data,
},
.num_resources = ARRAY_SIZE(dove_xor1_shared_resources),
.resource = dove_xor1_shared_resources,
};
static struct resource dove_xor10_resources[] = {
[0] = {
.start = IRQ_DOVE_XOR_10,
.end = IRQ_DOVE_XOR_10,
.flags = IORESOURCE_IRQ,
},
};
static struct mv_xor_platform_data dove_xor10_data = {
.shared = &dove_xor1_shared,
.hw_id = 0,
.pool_size = PAGE_SIZE,
};
static struct platform_device dove_xor10_channel = {
.name = MV_XOR_NAME,
.id = 2,
.num_resources = ARRAY_SIZE(dove_xor10_resources),
.resource = dove_xor10_resources,
.dev = {
.dma_mask = &dove_xor1_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = &dove_xor10_data,
},
};
static struct resource dove_xor11_resources[] = {
[0] = {
.start = IRQ_DOVE_XOR_11,
.end = IRQ_DOVE_XOR_11,
.flags = IORESOURCE_IRQ,
},
};
static struct mv_xor_platform_data dove_xor11_data = {
.shared = &dove_xor1_shared,
.hw_id = 1,
.pool_size = PAGE_SIZE,
};
static struct platform_device dove_xor11_channel = {
.name = MV_XOR_NAME,
.id = 3,
.num_resources = ARRAY_SIZE(dove_xor11_resources),
.resource = dove_xor11_resources,
.dev = {
.dma_mask = &dove_xor1_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(64),
.platform_data = &dove_xor11_data,
},
};
void __init dove_xor1_init(void)
{
platform_device_register(&dove_xor1_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, dove_xor10_data.cap_mask);
dma_cap_set(DMA_XOR, dove_xor10_data.cap_mask);
platform_device_register(&dove_xor10_channel);
dma_cap_set(DMA_MEMCPY, dove_xor11_data.cap_mask);
dma_cap_set(DMA_MEMSET, dove_xor11_data.cap_mask);
dma_cap_set(DMA_XOR, dove_xor11_data.cap_mask);
platform_device_register(&dove_xor11_channel);
}
/*****************************************************************************
* SDIO
****************************************************************************/
static u64 sdio_dmamask = DMA_BIT_MASK(32);
static struct resource dove_sdio0_resources[] = {
{
.start = DOVE_SDIO0_PHYS_BASE,
.end = DOVE_SDIO0_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO0,
.end = IRQ_DOVE_SDIO0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio0 = {
.name = "sdhci-dove",
.id = 0,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio0_resources,
.num_resources = ARRAY_SIZE(dove_sdio0_resources),
};
void __init dove_sdio0_init(void)
{
platform_device_register(&dove_sdio0);
}
static struct resource dove_sdio1_resources[] = {
{
.start = DOVE_SDIO1_PHYS_BASE,
.end = DOVE_SDIO1_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO1,
.end = IRQ_DOVE_SDIO1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio1 = {
.name = "sdhci-dove",
.id = 1,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio1_resources,
.num_resources = ARRAY_SIZE(dove_sdio1_resources),
};
void __init dove_sdio1_init(void)
{
platform_device_register(&dove_sdio1);
}
void __init dove_init(void)
{
int tclk;
tclk = get_tclk();
printk(KERN_INFO "Dove 88AP510 SoC, ");
printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000);
#ifdef CONFIG_CACHE_TAUROS2
tauros2_init();
#endif
dove_setup_cpu_mbus();
dove_ge00_shared_data.t_clk = tclk;
dove_uart0_data[0].uartclk = tclk;
dove_uart1_data[0].uartclk = tclk;
dove_uart2_data[0].uartclk = tclk;
dove_uart3_data[0].uartclk = tclk;
dove_spi0_data.tclk = tclk;
dove_spi1_data.tclk = tclk;
/* internal devices that every board has */
dove_rtc_init();
dove_xor0_init();
dove_xor1_init();
}
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