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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/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));
}
/*****************************************************************************
* GE00
****************************************************************************/
void __init loki_ge0_init(struct mv643xx_eth_platform_data *eth_data)
{
writel(0x00079220, GE0_VIRT_BASE + 0x20b0);
orion_ge00_init(eth_data, &loki_mbus_dram_info,
GE0_PHYS_BASE, IRQ_LOKI_GBE_A_INT,
0, LOKI_TCLK);
}
/*****************************************************************************
* GE01
****************************************************************************/
void __init loki_ge1_init(struct mv643xx_eth_platform_data *eth_data)
{
writel(0x00079220, GE1_VIRT_BASE + 0x20b0);
orion_ge01_init(eth_data, &loki_mbus_dram_info,
GE1_PHYS_BASE, IRQ_LOKI_GBE_B_INT,
0, LOKI_TCLK);
}
/*****************************************************************************
* 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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