/*
 * Setup pointers to hardware-dependent routines.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
 * Copyright (C) 2001 MIPS Technologies, Inc.
 * Copyright (C) 2007 by Thomas Bogendoerfer
 */
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/screen_info.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/dma-mapping.h>

#include <asm/jazz.h>
#include <asm/jazzdma.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
#include <asm/tlbmisc.h>

extern asmlinkage void jazz_handle_int(void);

extern void jazz_machine_restart(char *command);

static struct resource jazz_io_resources[] = {
        {
                .start  = 0x00,
                .end    = 0x1f,
                .name   = "dma1",
                .flags  = IORESOURCE_IO | IORESOURCE_BUSY
        }, {
                .start  = 0x40,
                .end    = 0x5f,
                .name   = "timer",
                .flags  = IORESOURCE_IO | IORESOURCE_BUSY
        }, {
                .start  = 0x80,
                .end    = 0x8f,
                .name   = "dma page reg",
                .flags  = IORESOURCE_IO | IORESOURCE_BUSY
        }, {
                .start  = 0xc0,
                .end    = 0xdf,
                .name   = "dma2",
                .flags  = IORESOURCE_IO | IORESOURCE_BUSY
        }
};

void __init plat_mem_setup(void)
{
        int i;

        /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
        add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
        /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
        add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
        /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
        add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);

        set_io_port_base(JAZZ_PORT_BASE);
#ifdef CONFIG_EISA
        EISA_bus = 1;
#endif

        /* request I/O space for devices used on all i[345]86 PCs */
        for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
                request_resource(&ioport_resource, jazz_io_resources + i);

        /* The RTC is outside the port address space */

        _machine_restart = jazz_machine_restart;

#ifdef CONFIG_VT
        screen_info = (struct screen_info) {
                .orig_video_cols        = 160,
                .orig_video_lines       = 64,
                .orig_video_points      = 16,
        };
#endif

        add_preferred_console("ttyS", 0, "9600");
}

#ifdef CONFIG_OLIVETTI_M700
#define UART_CLK  1843200
#else
/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
   exactly which ones ... XXX */
#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
#endif

#define MEMPORT(_base, _irq)                            \
        {                                               \
                .mapbase        = (_base),              \
                .membase        = (void *)(_base),      \
                .irq            = (_irq),               \
                .uartclk        = UART_CLK,             \
                .iotype         = UPIO_MEM,             \
                .flags          = UPF_BOOT_AUTOCONF,    \
        }

static struct plat_serial8250_port jazz_serial_data[] = {
        MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
        MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
        { },
};

static struct platform_device jazz_serial8250_device = {
        .name                   = "serial8250",
        .id                     = PLAT8250_DEV_PLATFORM,
        .dev                    = {
                .platform_data  = jazz_serial_data,
        },
};

static struct resource jazz_esp_rsrc[] = {
        {
                .start = JAZZ_SCSI_BASE,
                .end   = JAZZ_SCSI_BASE + 31,
                .flags = IORESOURCE_MEM
        },
        {
                .start = JAZZ_SCSI_DMA,
                .end   = JAZZ_SCSI_DMA,
                .flags = IORESOURCE_MEM
        },
        {
                .start = JAZZ_SCSI_IRQ,
                .end   = JAZZ_SCSI_IRQ,
                .flags = IORESOURCE_IRQ
        }
};

static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32);

static struct platform_device jazz_esp_pdev = {
        .name           = "jazz_esp",
        .num_resources  = ARRAY_SIZE(jazz_esp_rsrc),
        .resource       = jazz_esp_rsrc,
        .dev = {
                .dma_mask          = &jazz_esp_dma_mask,
                .coherent_dma_mask = DMA_BIT_MASK(32),
        }
};

static struct resource jazz_sonic_rsrc[] = {
        {
                .start = JAZZ_ETHERNET_BASE,
                .end   = JAZZ_ETHERNET_BASE + 0xff,
                .flags = IORESOURCE_MEM
        },
        {
                .start = JAZZ_ETHERNET_IRQ,
                .end   = JAZZ_ETHERNET_IRQ,
                .flags = IORESOURCE_IRQ
        }
};

static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32);

static struct platform_device jazz_sonic_pdev = {
        .name           = "jazzsonic",
        .num_resources  = ARRAY_SIZE(jazz_sonic_rsrc),
        .resource       = jazz_sonic_rsrc,
        .dev = {
                .dma_mask          = &jazz_sonic_dma_mask,
                .coherent_dma_mask = DMA_BIT_MASK(32),
        }
};

static struct resource jazz_cmos_rsrc[] = {
        {
                .start = 0x70,
                .end   = 0x71,
                .flags = IORESOURCE_IO
        },
        {
                .start = 8,
                .end   = 8,
                .flags = IORESOURCE_IRQ
        }
};

static struct platform_device jazz_cmos_pdev = {
        .name           = "rtc_cmos",
        .num_resources  = ARRAY_SIZE(jazz_cmos_rsrc),
        .resource       = jazz_cmos_rsrc
};

static struct platform_device pcspeaker_pdev = {
        .name           = "pcspkr",
        .id             = -1,
};

static int __init jazz_setup_devinit(void)
{
        platform_device_register(&jazz_serial8250_device);
        platform_device_register(&jazz_esp_pdev);
        platform_device_register(&jazz_sonic_pdev);
        platform_device_register(&jazz_cmos_pdev);
        platform_device_register(&pcspeaker_pdev);

        return 0;
}

device_initcall(jazz_setup_devinit);