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/*
* arch/arm/mach-loki/common.c
*
* Core functions for Marvell Loki (88RC8480) SoCs
*
* 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/dma-mapping.h>
#include <asm/page.h>
#include <asm/timex.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/bridge-regs.h>
#include <mach/loki.h>
#include <plat/orion_nand.h>
#include <plat/time.h>
#include <plat/common.h>
#include "common.h"
/*****************************************************************************
* I/O Address Mapping
****************************************************************************/
static struct map_desc loki_io_desc[] __initdata = {
{
.virtual = LOKI_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(LOKI_REGS_PHYS_BASE),
.length = LOKI_REGS_SIZE,
.type = MT_DEVICE,
},
};
void __init loki_map_io(void)
{
iotable_init(loki_io_desc, ARRAY_SIZE(loki_io_desc));
}
/*****************************************************************************
* GE0
****************************************************************************/
struct mv643xx_eth_shared_platform_data loki_ge0_shared_data = {
.t_clk = LOKI_TCLK,
.dram = &loki_mbus_dram_info,
};
static struct resource loki_ge0_shared_resources[] = {
{
.name = "ge0 base",
.start = GE0_PHYS_BASE + 0x2000,
.end = GE0_PHYS_BASE + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device loki_ge0_shared = {
.name = MV643XX_ETH_SHARED_NAME,
.id = 0,
.dev = {
.platform_data = &loki_ge0_shared_data,
},
.num_resources = 1,
.resource = loki_ge0_shared_resources,
};
static struct resource loki_ge0_resources[] = {
{
.name = "ge0 irq",
.start = IRQ_LOKI_GBE_A_INT,
.end = IRQ_LOKI_GBE_A_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device loki_ge0 = {
.name = MV643XX_ETH_NAME,
.id = 0,
.num_resources = 1,
.resource = loki_ge0_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
{
eth_data->shared = &loki_ge0_shared;
loki_ge0.dev.platform_data = eth_data;
writel(0x00079220, GE0_VIRT_BASE + 0x20b0);
platform_device_register(&loki_ge0_shared);
platform_device_register(&loki_ge0);
}
/*****************************************************************************
* GE1
****************************************************************************/
struct mv643xx_eth_shared_platform_data loki_ge1_shared_data = {
.t_clk = LOKI_TCLK,
.dram = &loki_mbus_dram_info,
};
static struct resource loki_ge1_shared_resources[] = {
{
.name = "ge1 base",
.start = GE1_PHYS_BASE + 0x2000,
.end = GE1_PHYS_BASE + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device loki_ge1_shared = {
.name = MV643XX_ETH_SHARED_NAME,
.id = 1,
.dev = {
.platform_data = &loki_ge1_shared_data,
},
.num_resources = 1,
.resource = loki_ge1_shared_resources,
};
static struct resource loki_ge1_resources[] = {
{
.name = "ge1 irq",
.start = IRQ_LOKI_GBE_B_INT,
.end = IRQ_LOKI_GBE_B_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device loki_ge1 = {
.name = MV643XX_ETH_NAME,
.id = 1,
.num_resources = 1,
.resource = loki_ge1_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
{
eth_data->shared = &loki_ge1_shared;
loki_ge1.dev.platform_data = eth_data;
writel(0x00079220, GE1_VIRT_BASE + 0x20b0);
platform_device_register(&loki_ge1_shared);
platform_device_register(&loki_ge1);
}
/*****************************************************************************
* SAS/SATA
****************************************************************************/
static struct resource loki_sas_resources[] = {
{
.name = "mvsas0 mem",
.start = SAS0_PHYS_BASE,
.end = SAS0_PHYS_BASE + 0x01ff,
.flags = IORESOURCE_MEM,
}, {
.name = "mvsas0 irq",
.start = IRQ_LOKI_SAS_A,
.end = IRQ_LOKI_SAS_A,
.flags = IORESOURCE_IRQ,
}, {
.name = "mvsas1 mem",
.start = SAS1_PHYS_BASE,
.end = SAS1_PHYS_BASE + 0x01ff,
.flags = IORESOURCE_MEM,
}, {
.name = "mvsas1 irq",
.start = IRQ_LOKI_SAS_B,
.end = IRQ_LOKI_SAS_B,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device loki_sas = {
.name = "mvsas",
.id = 0,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(loki_sas_resources),
.resource = loki_sas_resources,
};
void __init loki_sas_init(void)
{
writel(0x8300f707, DDR_REG(0x1424));
platform_device_register(&loki_sas);
}
/*****************************************************************************
* UART0
****************************************************************************/
void __init loki_uart0_init(void)
{
orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE,
IRQ_LOKI_UART0, LOKI_TCLK);
}
/*****************************************************************************
* UART1
****************************************************************************/
void __init loki_uart1_init(void)
{
orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE,
IRQ_LOKI_UART1, LOKI_TCLK);
}
/*****************************************************************************
* Time handling
****************************************************************************/
void __init loki_init_early(void)
{
orion_time_set_base(TIMER_VIRT_BASE);
}
static void loki_timer_init(void)
{
orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
IRQ_LOKI_BRIDGE, LOKI_TCLK);
}
struct sys_timer loki_timer = {
.init = loki_timer_init,
};
/*****************************************************************************
* General
****************************************************************************/
void __init loki_init(void)
{
printk(KERN_INFO "Loki ID: 88RC8480. TCLK=%d.\n", LOKI_TCLK);
loki_setup_cpu_mbus();
}
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