[ARM] pxa/zeus: basic support for Arcom Zeus SBC

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 791 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
new file mode 100644
index 000000000000..ae1c3d2f6d5b
--- /dev/null
+++ b/arch/arm/mach-pxa/zeus.c
@@ -0,0 +1,791 @@
+/*
+ *  Support for the Arcom ZEUS.
+ *
+ *  Copyright (C) 2006 Arcom Control Systems Ltd.
+ *
+ *  Loosely based on Arcom's 2.6.16.28.
+ *  Maintained by Marc Zyngier <maz@misterjones.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/cpufreq.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/pm.h>
+#include <linux/gpio.h>
+#include <linux/serial_8250.h>
+#include <linux/dm9000.h>
+#include <linux/mmc/host.h>
+#include <linux/spi/spi.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/i2c.h>
+#include <linux/i2c/pca953x.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <plat/i2c.h>
+
+#include <mach/pxa2xx-regs.h>
+#include <mach/regs-uart.h>
+#include <mach/ohci.h>
+#include <mach/mmc.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/udc.h>
+#include <mach/pxafb.h>
+#include <mach/pxa2xx_spi.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/pm.h>
+#include <mach/audio.h>
+#include <mach/zeus.h>
+
+#include "generic.h"
+
+/*
+ * Interrupt handling
+ */
+
+static unsigned long zeus_irq_enabled_mask;
+static const int zeus_isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, };
+static const int zeus_isa_irq_map[] = {
+        0,              /* ISA irq #0, invalid */
+        0,              /* ISA irq #1, invalid */
+        0,              /* ISA irq #2, invalid */
+        1 << 0,         /* ISA irq #3 */
+        1 << 1,         /* ISA irq #4 */
+        1 << 2,         /* ISA irq #5 */
+        1 << 3,         /* ISA irq #6 */
+        1 << 4,         /* ISA irq #7 */
+        0,              /* ISA irq #8, invalid */
+        0,              /* ISA irq #9, invalid */
+        1 << 5,         /* ISA irq #10 */
+        1 << 6,         /* ISA irq #11 */
+        1 << 7,         /* ISA irq #12 */
+};
+
+static inline int zeus_irq_to_bitmask(unsigned int irq)
+{
+        return zeus_isa_irq_map[irq - PXA_ISA_IRQ(0)];
+}
+
+static inline int zeus_bit_to_irq(int bit)
+{
+        return zeus_isa_irqs[bit] + PXA_ISA_IRQ(0);
+}
+
+static void zeus_ack_irq(unsigned int irq)
+{
+        __raw_writew(zeus_irq_to_bitmask(irq), ZEUS_CPLD_ISA_IRQ);
+}
+
+static void zeus_mask_irq(unsigned int irq)
+{
+        zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(irq));
+}
+
+static void zeus_unmask_irq(unsigned int irq)
+{
+        zeus_irq_enabled_mask |= zeus_irq_to_bitmask(irq);
+}
+
+static inline unsigned long zeus_irq_pending(void)
+{
+        return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask;
+}
+
+static void zeus_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+        unsigned long pending;
+
+        pending = zeus_irq_pending();
+        do {
+                /* we're in a chained irq handler,
+                 * so ack the interrupt by hand */
+                desc->chip->ack(gpio_to_irq(ZEUS_ISA_GPIO));
+
+                if (likely(pending)) {
+                        irq = zeus_bit_to_irq(__ffs(pending));
+                        generic_handle_irq(irq);
+                }
+                pending = zeus_irq_pending();
+        } while (pending);
+}
+
+static struct irq_chip zeus_irq_chip = {
+        .name   = "ISA",
+        .ack    = zeus_ack_irq,
+        .mask   = zeus_mask_irq,
+        .unmask = zeus_unmask_irq,
+};
+
+static void __init zeus_init_irq(void)
+{
+        int level;
+        int isa_irq;
+
+        pxa27x_init_irq();
+
+        /* Peripheral IRQs. It would be nice to move those inside driver
+           configuration, but it is not supported at the moment. */
+        set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO),       IRQ_TYPE_EDGE_RISING);
+        set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO),     IRQ_TYPE_EDGE_RISING);
+        set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO),        IRQ_TYPE_EDGE_RISING);
+        set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO),    IRQ_TYPE_EDGE_FALLING);
+        set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO),        IRQ_TYPE_EDGE_FALLING);
+
+        /* Setup ISA IRQs */
+        for (level = 0; level < ARRAY_SIZE(zeus_isa_irqs); level++) {
+                isa_irq = zeus_bit_to_irq(level);
+                set_irq_chip(isa_irq, &zeus_irq_chip);
+                set_irq_handler(isa_irq, handle_edge_irq);
+                set_irq_flags(isa_irq, IRQF_VALID | IRQF_PROBE);
+        }
+
+        set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING);
+        set_irq_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler);
+}
+
+
+/*
+ * Platform devices
+ */
+
+/* Flash */
+static struct resource zeus_mtd_resources[] = {
+        [0] = { /* NOR Flash (up to 64MB) */
+                .start  = ZEUS_FLASH_PHYS,
+                .end    = ZEUS_FLASH_PHYS + SZ_64M - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = { /* SRAM */
+                .start  = ZEUS_SRAM_PHYS,
+                .end    = ZEUS_SRAM_PHYS + SZ_512K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct physmap_flash_data zeus_flash_data[] = {
+        [0] = {
+                .width          = 2,
+                .parts          = NULL,
+                .nr_parts       = 0,
+        },
+};
+
+static struct platform_device zeus_mtd_devices[] = {
+        [0] = {
+                .name           = "physmap-flash",
+                .id             = 0,
+                .dev            = {
+                        .platform_data = &zeus_flash_data[0],
+                },
+                .resource       = &zeus_mtd_resources[0],
+                .num_resources  = 1,
+        },
+};
+
+/* Serial */
+static struct resource zeus_serial_resources[] = {
+        {
+                .start  = 0x10000000,
+                .end    = 0x1000000f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x10800000,
+                .end    = 0x1080000f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x11000000,
+                .end    = 0x1100000f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x40100000,
+                .end    = 0x4010001f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x40200000,
+                .end    = 0x4020001f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = 0x40700000,
+                .end    = 0x4070001f,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct plat_serial8250_port serial_platform_data[] = {
+        /* External UARTs */
+        /* FIXME: Shared IRQs on COM1-COM4 will not work properly on v1i1 hardware. */
+        { /* COM1 */
+                .mapbase        = 0x10000000,
+                .irq            = gpio_to_irq(ZEUS_UARTA_GPIO),
+                .irqflags       = IRQF_TRIGGER_RISING,
+                .uartclk        = 14745600,
+                .regshift       = 1,
+                .flags          = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { /* COM2 */
+                .mapbase        = 0x10800000,
+                .irq            = gpio_to_irq(ZEUS_UARTB_GPIO),
+                .irqflags       = IRQF_TRIGGER_RISING,
+                .uartclk        = 14745600,
+                .regshift       = 1,
+                .flags          = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { /* COM3 */
+                .mapbase        = 0x11000000,
+                .irq            = gpio_to_irq(ZEUS_UARTC_GPIO),
+                .irqflags       = IRQF_TRIGGER_RISING,
+                .uartclk        = 14745600,
+                .regshift       = 1,
+                .flags          = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { /* COM4 */
+                .mapbase        = 0x11800000,
+                .irq            = gpio_to_irq(ZEUS_UARTD_GPIO),
+                .irqflags       = IRQF_TRIGGER_RISING,
+                .uartclk        = 14745600,
+                .regshift       = 1,
+                .flags          = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        /* Internal UARTs */
+        { /* FFUART */
+                .membase        = (void *)&FFUART,
+                .mapbase        = __PREG(FFUART),
+                .irq            = IRQ_FFUART,
+                .uartclk        = 921600 * 16,
+                .regshift       = 2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { /* BTUART */
+                .membase        = (void *)&BTUART,
+                .mapbase        = __PREG(BTUART),
+                .irq            = IRQ_BTUART,
+                .uartclk        = 921600 * 16,
+                .regshift       = 2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { /* STUART */
+                .membase        = (void *)&STUART,
+                .mapbase        = __PREG(STUART),
+                .irq            = IRQ_STUART,
+                .uartclk        = 921600 * 16,
+                .regshift       = 2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+                .iotype         = UPIO_MEM,
+        },
+        { },
+};
+
+static struct platform_device zeus_serial_device = {
+        .name = "serial8250",
+        .id   = PLAT8250_DEV_PLATFORM,
+        .dev  = {
+                .platform_data = serial_platform_data,
+        },
+        .num_resources  = ARRAY_SIZE(zeus_serial_resources),
+        .resource       = zeus_serial_resources,
+};
+
+/* Ethernet */
+static struct resource zeus_dm9k0_resource[] = {
+        [0] = {
+                .start = ZEUS_ETH0_PHYS,
+                .end   = ZEUS_ETH0_PHYS + 1,
+                .flags = IORESOURCE_MEM
+        },
+        [1] = {
+                .start = ZEUS_ETH0_PHYS + 2,
+                .end   = ZEUS_ETH0_PHYS + 3,
+                .flags = IORESOURCE_MEM
+        },
+        [2] = {
+                .start = gpio_to_irq(ZEUS_ETH0_GPIO),
+                .end   = gpio_to_irq(ZEUS_ETH0_GPIO),
+                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+        },
+};
+
+static struct resource zeus_dm9k1_resource[] = {
+        [0] = {
+                .start = ZEUS_ETH1_PHYS,
+                .end   = ZEUS_ETH1_PHYS + 1,
+                .flags = IORESOURCE_MEM
+        },
+        [1] = {
+                .start = ZEUS_ETH1_PHYS + 2,
+                .end   = ZEUS_ETH1_PHYS + 3,
+                .flags = IORESOURCE_MEM,
+        },
+        [2] = {
+                .start = gpio_to_irq(ZEUS_ETH1_GPIO),
+                .end   = gpio_to_irq(ZEUS_ETH1_GPIO),
+                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+        },
+};
+
+static struct dm9000_plat_data zeus_dm9k_platdata = {
+        .flags          = DM9000_PLATF_16BITONLY,
+};
+
+static struct platform_device zeus_dm9k0_device = {
+        .name           = "dm9000",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(zeus_dm9k0_resource),
+        .resource       = zeus_dm9k0_resource,
+        .dev            = {
+                .platform_data = &zeus_dm9k_platdata,
+        }
+};
+
+static struct platform_device zeus_dm9k1_device = {
+        .name           = "dm9000",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(zeus_dm9k1_resource),
+        .resource       = zeus_dm9k1_resource,
+        .dev            = {
+                .platform_data = &zeus_dm9k_platdata,
+        }
+};
+
+/* External SRAM */
+static struct resource zeus_sram_resource = {
+        .start          = ZEUS_SRAM_PHYS,
+        .end            = ZEUS_SRAM_PHYS + ZEUS_SRAM_SIZE * 2 - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device zeus_sram_device = {
+        .name           = "pxa2xx-8bit-sram",
+        .id             = 0,
+        .num_resources  = 1,
+        .resource       = &zeus_sram_resource,
+};
+
+/* SPI interface on SSP3 */
+static struct pxa2xx_spi_master pxa2xx_spi_ssp3_master_info = {
+        .num_chipselect = 1,
+        .enable_dma     = 1,
+};
+
+static struct platform_device pxa2xx_spi_ssp3_device = {
+        .name = "pxa2xx-spi",
+        .id = 3,
+        .dev = {
+                .platform_data = &pxa2xx_spi_ssp3_master_info,
+        },
+};
+
+/* Leds */
+static struct gpio_led zeus_leds[] = {
+        [0] = {
+                .name            = "zeus:yellow:1",
+                .default_trigger = "heartbeat",
+                .gpio            = ZEUS_EXT0_GPIO(3),
+                .active_low      = 1,
+        },
+        [1] = {
+                .name            = "zeus:yellow:2",
+                .default_trigger = "default-on",
+                .gpio            = ZEUS_EXT0_GPIO(4),
+                .active_low      = 1,
+        },
+        [2] = {
+                .name            = "zeus:yellow:3",
+                .default_trigger = "default-on",
+                .gpio            = ZEUS_EXT0_GPIO(5),
+                .active_low      = 1,
+        },
+};
+
+static struct gpio_led_platform_data zeus_leds_info = {
+        .leds           = zeus_leds,
+        .num_leds       = ARRAY_SIZE(zeus_leds),
+};
+
+static struct platform_device zeus_leds_device = {
+        .name           = "leds-gpio",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &zeus_leds_info,
+        },
+};
+
+static struct platform_device *zeus_devices[] __initdata = {
+        &zeus_serial_device,
+        &zeus_mtd_devices[0],
+        &zeus_dm9k0_device,
+        &zeus_dm9k1_device,
+        &zeus_sram_device,
+        &pxa2xx_spi_ssp3_device,
+        &zeus_leds_device,
+};
+
+/* AC'97 */
+static pxa2xx_audio_ops_t zeus_ac97_info = {
+        .reset_gpio = 95,
+};
+
+
+/*
+ * USB host
+ */
+
+static int zeus_ohci_init(struct device *dev)
+{
+        int err;
+
+        /* Switch on port 2. */
+        if ((err = gpio_request(ZEUS_USB2_PWREN_GPIO, "USB2_PWREN"))) {
+                dev_err(dev, "Can't request USB2_PWREN\n");
+                return err;
+        }
+
+        if ((err = gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 1))) {
+                gpio_free(ZEUS_USB2_PWREN_GPIO);
+                dev_err(dev, "Can't enable USB2_PWREN\n");
+                return err;
+        }
+
+        /* Port 2 is shared between host and client interface. */
+        UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
+
+        return 0;
+}
+
+static void zeus_ohci_exit(struct device *dev)
+{
+        /* Power-off port 2 */
+        gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 0);
+        gpio_free(ZEUS_USB2_PWREN_GPIO);
+}
+
+static struct pxaohci_platform_data zeus_ohci_platform_data = {
+        .port_mode      = PMM_NPS_MODE,
+        .flags          = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+        .init           = zeus_ohci_init,
+        .exit           = zeus_ohci_exit,
+};
+
+/*
+ * Flat Panel
+ */
+
+static void zeus_lcd_power(int on, struct fb_var_screeninfo *si)
+{
+        gpio_set_value(ZEUS_LCD_EN_GPIO, on);
+}
+
+static void zeus_backlight_power(int on)
+{
+        gpio_set_value(ZEUS_BKLEN_GPIO, on);
+}
+
+static int zeus_setup_fb_gpios(void)
+{
+        int err;
+
+        if ((err = gpio_request(ZEUS_LCD_EN_GPIO, "LCD_EN")))
+                goto out_err;
+
+        if ((err = gpio_direction_output(ZEUS_LCD_EN_GPIO, 0)))
+                goto out_err_lcd;
+
+        if ((err = gpio_request(ZEUS_BKLEN_GPIO, "BKLEN")))
+                goto out_err_lcd;
+
+        if ((err = gpio_direction_output(ZEUS_BKLEN_GPIO, 0)))
+                goto out_err_bkl;
+
+        return 0;
+
+out_err_bkl:
+        gpio_free(ZEUS_BKLEN_GPIO);
+out_err_lcd:
+        gpio_free(ZEUS_LCD_EN_GPIO);
+out_err:
+        return err;
+}
+
+static struct pxafb_mode_info zeus_fb_mode_info[] = {
+        {
+                .pixclock       = 39722,
+
+                .xres           = 640,
+                .yres           = 480,
+
+                .bpp            = 16,
+
+                .hsync_len      = 63,
+                .left_margin    = 16,
+                .right_margin   = 81,
+
+                .vsync_len      = 2,
+                .upper_margin   = 12,
+                .lower_margin   = 31,
+
+                .sync           = 0,
+        },
+};
+
+static struct pxafb_mach_info zeus_fb_info = {
+        .modes                  = zeus_fb_mode_info,
+        .num_modes              = 1,
+        .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+        .pxafb_lcd_power        = zeus_lcd_power,
+        .pxafb_backlight_power  = zeus_backlight_power,
+};
+
+/*
+ * MMC/SD Device
+ *
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert/eject.
+ */
+
+static struct pxamci_platform_data zeus_mci_platform_data = {
+        .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
+        .detect_delay           = HZ/4,
+        .gpio_card_detect       = ZEUS_MMC_CD_GPIO,
+        .gpio_card_ro           = ZEUS_MMC_WP_GPIO,
+        .gpio_card_ro_invert    = 1,
+        .gpio_power             = -1
+};
+
+/*
+ * USB Device Controller
+ */
+static void zeus_udc_command(int cmd)
+{
+        switch (cmd) {
+        case PXA2XX_UDC_CMD_DISCONNECT:
+                pr_info("zeus: disconnecting USB client\n");
+                UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
+                break;
+
+        case PXA2XX_UDC_CMD_CONNECT:
+                pr_info("zeus: connecting USB client\n");
+                UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
+                break;
+        }
+}
+
+static struct pxa2xx_udc_mach_info zeus_udc_info = {
+        .udc_command = zeus_udc_command,
+};
+
+static void zeus_power_off(void)
+{
+        local_irq_disable();
+        pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP);
+}
+
+int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio,
+                      unsigned ngpio, void *context)
+{
+        int i;
+        u8 pcb_info = 0;
+
+        for (i = 0; i < 8; i++) {
+                int pcb_bit = gpio + i + 8;
+
+                if (gpio_request(pcb_bit, "pcb info")) {
+                        dev_err(&client->dev, "Can't request pcb info %d\n", i);
+                        continue;
+                }
+
+                if (gpio_direction_input(pcb_bit)) {
+                        dev_err(&client->dev, "Can't read pcb info %d\n", i);
+                        gpio_free(pcb_bit);
+                        continue;
+                }
+
+                pcb_info |= !!gpio_get_value(pcb_bit) << i;
+
+                gpio_free(pcb_bit);
+        }
+
+        dev_info(&client->dev, "Zeus PCB version %d issue %d\n",
+                 pcb_info >> 4, pcb_info & 0xf);
+
+        return 0;
+}
+
+static struct pca953x_platform_data zeus_pca953x_pdata[] = {
+        [0] = { .gpio_base      = ZEUS_EXT0_GPIO_BASE, },
+        [1] = {
+                .gpio_base      = ZEUS_EXT1_GPIO_BASE,
+                .setup          = zeus_get_pcb_info,
+        },
+        [2] = { .gpio_base = ZEUS_USER_GPIO_BASE, },
+};
+
+static struct i2c_board_info __initdata zeus_i2c_devices[] = {
+        {
+                I2C_BOARD_INFO("pca9535",       0x21),
+                .platform_data  = &zeus_pca953x_pdata[0],
+        },
+        {
+                I2C_BOARD_INFO("pca9535",       0x22),
+                .platform_data  = &zeus_pca953x_pdata[1],
+        },
+        {
+                I2C_BOARD_INFO("pca9535",       0x20),
+                .platform_data  = &zeus_pca953x_pdata[2],
+                .irq            = gpio_to_irq(ZEUS_EXTGPIO_GPIO),
+        },
+        { I2C_BOARD_INFO("lm75a",       0x48) },
+        { I2C_BOARD_INFO("24c01",       0x50) },
+        { I2C_BOARD_INFO("isl1208",     0x6f) },
+};
+
+static mfp_cfg_t zeus_pin_config[] __initdata = {
+        GPIO15_nCS_1,
+        GPIO78_nCS_2,
+        GPIO80_nCS_4,
+        GPIO33_nCS_5,
+
+        GPIO22_GPIO,
+        GPIO32_MMC_CLK,
+        GPIO92_MMC_DAT_0,
+        GPIO109_MMC_DAT_1,
+        GPIO110_MMC_DAT_2,
+        GPIO111_MMC_DAT_3,
+        GPIO112_MMC_CMD,
+
+        GPIO88_USBH1_PWR,
+        GPIO89_USBH1_PEN,
+        GPIO119_USBH2_PWR,
+        GPIO120_USBH2_PEN,
+
+        GPIO86_LCD_LDD_16,
+        GPIO87_LCD_LDD_17,
+
+        GPIO102_GPIO,
+        GPIO104_CIF_DD_2,
+        GPIO105_CIF_DD_1,
+
+        GPIO48_nPOE,
+        GPIO49_nPWE,
+        GPIO50_nPIOR,
+        GPIO51_nPIOW,
+        GPIO85_nPCE_1,
+        GPIO54_nPCE_2,
+        GPIO79_PSKTSEL,
+        GPIO55_nPREG,
+        GPIO56_nPWAIT,
+        GPIO57_nIOIS16,
+        GPIO36_GPIO,            /* CF CD */
+        GPIO97_GPIO,            /* CF PWREN */
+        GPIO99_GPIO,            /* CF RDY */
+};
+
+static void __init zeus_init(void)
+{
+        u16 dm9000_msc = 0xe279;
+
+        system_rev = __raw_readw(ZEUS_CPLD_VERSION);
+        pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f));
+
+        /* Fix timings for dm9000s (CS1/CS2)*/
+        MSC0 = (MSC0 & 0xffff) | (dm9000_msc << 16);
+        MSC1 = (MSC1 & 0xffff0000) | dm9000_msc;
+
+        pm_power_off = zeus_power_off;
+
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(zeus_pin_config));
+
+        platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices));
+
+        pxa_set_ohci_info(&zeus_ohci_platform_data);
+
+        if (zeus_setup_fb_gpios())
+                pr_err("Failed to setup fb gpios\n");
+        else
+                set_pxa_fb_info(&zeus_fb_info);
+
+        pxa_set_mci_info(&zeus_mci_platform_data);
+        pxa_set_udc_info(&zeus_udc_info);
+        pxa_set_ac97_info(&zeus_ac97_info);
+        pxa_set_i2c_info(NULL);
+        i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices));
+}
+
+static struct map_desc zeus_io_desc[] __initdata = {
+        {
+                .virtual = ZEUS_CPLD_VERSION,
+                .pfn     = __phys_to_pfn(ZEUS_CPLD_VERSION_PHYS),
+                .length  = 0x1000,
+                .type    = MT_DEVICE,
+        },
+        {
+                .virtual = ZEUS_CPLD_ISA_IRQ,
+                .pfn     = __phys_to_pfn(ZEUS_CPLD_ISA_IRQ_PHYS),
+                .length  = 0x1000,
+                .type    = MT_DEVICE,
+        },
+        {
+                .virtual = ZEUS_CPLD_CONTROL,
+                .pfn     = __phys_to_pfn(ZEUS_CPLD_CONTROL_PHYS),
+                .length  = 0x1000,
+                .type    = MT_DEVICE,
+        },
+        {
+                .virtual = ZEUS_CPLD_EXTWDOG,
+                .pfn     = __phys_to_pfn(ZEUS_CPLD_EXTWDOG_PHYS),
+                .length  = 0x1000,
+                .type    = MT_DEVICE,
+        },
+        {
+                .virtual = ZEUS_PC104IO,
+                .pfn     = __phys_to_pfn(ZEUS_PC104IO_PHYS),
+                .length  = 0x00800000,
+                .type    = MT_DEVICE,
+        },
+};
+
+static void __init zeus_map_io(void)
+{
+        pxa_map_io();
+
+        iotable_init(zeus_io_desc, ARRAY_SIZE(zeus_io_desc));
+
+        /* Clear PSPR to ensure a full restart on wake-up. */
+        PMCR = PSPR = 0;
+
+        /* enable internal 32.768Khz oscillator (ignore OSCC_OOK) */
+        OSCC |= OSCC_OON;
+
+        /* Some clock cycles later (from OSCC_ON), programme PCFR (OPDE...).
+         * float chip selects and PCMCIA */
+        PCFR = PCFR_OPDE | PCFR_DC_EN | PCFR_FS | PCFR_FP;
+}
+
+MACHINE_START(ARCOM_ZEUS, "Arcom ZEUS")
+        /* Maintainer: Marc Zyngier <maz@misterjones.org> */
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = ((io_p2v(0x40000000) >> 18) & 0xfffc),
+        .boot_params    = 0xa0000100,
+        .map_io         = zeus_map_io,
+        .init_irq       = zeus_init_irq,
+        .timer          = &pxa_timer,
+        .init_machine   = zeus_init,
+MACHINE_END
+