1 files changed, 245 insertions, 0 deletions

diff --git a/arch/avr32/boards/hammerhead/setup.c b/arch/avr32/boards/hammerhead/setup.c
new file mode 100644
index 000000000000..4d2fe82b2029
--- /dev/null
+++ b/arch/avr32/boards/hammerhead/setup.c
@@ -0,0 +1,245 @@
+/*
+ * Board-specific setup code for the Miromico Hammerhead board
+ *
+ * Copyright (C) 2008 Miromico AG
+ *
+ * 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/atmel-mci.h>
+#include <linux/clk.h>
+#include <linux/fb.h>
+#include <linux/etherdevice.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/spi/spi.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <linux/io.h>
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+#include "../../mach-at32ap/clock.h"
+#include "flash.h"
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+        [0] = 32768,    /* 32.768 kHz on RTC osc */
+        [1] = 25000000, /* 25MHz on osc0 */
+        [2] = 12000000, /* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+#ifdef CONFIG_BOARD_HAMMERHEAD_LCD
+static struct fb_videomode __initdata hda350tlv_modes[] = {
+        {
+                .name           = "320x240 @ 75",
+                .refresh        = 75,
+                .xres           = 320,
+                .yres           = 240,
+                .pixclock       = KHZ2PICOS(6891),
+
+                .left_margin    = 48,
+                .right_margin   = 18,
+                .upper_margin   = 18,
+                .lower_margin   = 4,
+                .hsync_len      = 20,
+                .vsync_len      = 2,
+
+                .sync           = 0,
+                .vmode          = FB_VMODE_NONINTERLACED,
+        },
+};
+
+static struct fb_monspecs __initdata hammerhead_hda350t_monspecs = {
+        .manufacturer           = "HAN",
+        .monitor                = "HDA350T-LV",
+        .modedb                 = hda350tlv_modes,
+        .modedb_len             = ARRAY_SIZE(hda350tlv_modes),
+        .hfmin                  = 14900,
+        .hfmax                  = 22350,
+        .vfmin                  = 60,
+        .vfmax                  = 90,
+        .dclkmax                = 10000000,
+};
+
+struct atmel_lcdfb_info __initdata hammerhead_lcdc_data = {
+        .default_bpp            = 24,
+        .default_dmacon         = ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+        .default_lcdcon2        = (ATMEL_LCDC_DISTYPE_TFT
+                                   | ATMEL_LCDC_INVCLK
+                                   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+                                   | ATMEL_LCDC_MEMOR_BIG),
+        .default_monspecs       = &hammerhead_hda350t_monspecs,
+        .guard_time             = 2,
+};
+#endif
+
+static struct mci_platform_data __initdata mci0_data = {
+        .slot[0] = {
+                .bus_width      = 4,
+                .detect_pin     = -ENODEV,
+                .wp_pin         = -ENODEV,
+        },
+};
+
+struct eth_addr {
+        u8 addr[6];
+};
+
+static struct eth_addr __initdata hw_addr[1];
+static struct eth_platform_data __initdata eth_data[1];
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+        int i = tag->u.ethernet.mac_index;
+
+        if (i < ARRAY_SIZE(hw_addr))
+                memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+                       sizeof(hw_addr[i].addr));
+
+        return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+        struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        const u8 *addr;
+        void __iomem *regs;
+        struct clk *pclk;
+
+        if (!res)
+                return;
+
+        if (pdev->id >= ARRAY_SIZE(hw_addr))
+                return;
+
+        addr = hw_addr[pdev->id].addr;
+
+        if (!is_valid_ether_addr(addr))
+                return;
+
+        /*
+         * Since this is board-specific code, we'll cheat and use the
+         * physical address directly as we happen to know that it's
+         * the same as the virtual address.
+         */
+        regs = (void __iomem __force *)res->start;
+        pclk = clk_get(&pdev->dev, "pclk");
+
+        if (!pclk)
+                return;
+
+        clk_enable(pclk);
+
+        __raw_writel((addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) |
+                     addr[0], regs + 0x98);
+        __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+
+        clk_disable(pclk);
+        clk_put(pclk);
+}
+
+void __init setup_board(void)
+{
+        at32_map_usart(1, 0);   /* USART 1: /dev/ttyS0, DB9 */
+        at32_setup_serial_console(0);
+}
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+        .sda_pin                = GPIO_PIN_PA(6),
+        .scl_pin                = GPIO_PIN_PA(7),
+        .sda_is_open_drain      = 1,
+        .scl_is_open_drain      = 1,
+        .udelay                 = 2,    /* close to 100 kHz */
+};
+
+static struct platform_device i2c_gpio_device = {
+        .name           = "i2c-gpio",
+        .id             = 0,
+        .dev            = { .platform_data = &i2c_gpio_data, },
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {};
+
+#ifdef CONFIG_BOARD_HAMMERHEAD_SND
+static struct ac97c_platform_data ac97c_data = {
+        .reset_pin = GPIO_PIN_PA(16),
+};
+#endif
+
+static int __init hammerhead_init(void)
+{
+        /*
+         * Hammerhead uses 32-bit SDRAM interface. Reserve the
+         * SDRAM-specific pins so that nobody messes with them.
+         */
+        at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL);
+
+        at32_add_device_usart(0);
+
+        /* Reserve PB29 (GCLK3). This pin is used as clock source
+         * for ETH PHY (25MHz). GCLK3 setup is done by U-Boot.
+         */
+        at32_reserve_pin(GPIO_PIOB_BASE, (1<<29));
+
+        /*
+         * Hammerhead uses only one ethernet port, so we don't set
+         * address of second port
+         */
+        set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+
+#ifdef CONFIG_BOARD_HAMMERHEAD_FPGA
+        at32_add_device_hh_fpga();
+#endif
+        at32_add_device_mci(0, &mci0_data);
+
+#ifdef CONFIG_BOARD_HAMMERHEAD_USB
+        at32_add_device_usba(0, NULL);
+#endif
+#ifdef CONFIG_BOARD_HAMMERHEAD_LCD
+        at32_add_device_lcdc(0, &hammerhead_lcdc_data, fbmem_start,
+                             fbmem_size, ATMEL_LCDC_PRI_24BIT);
+#endif
+
+        at32_select_gpio(i2c_gpio_data.sda_pin,
+                         AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT |
+                         AT32_GPIOF_HIGH);
+        at32_select_gpio(i2c_gpio_data.scl_pin,
+                         AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT |
+                         AT32_GPIOF_HIGH);
+        platform_device_register(&i2c_gpio_device);
+        i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
+
+#ifdef CONFIG_BOARD_HAMMERHEAD_SND
+        at32_add_device_ac97c(0, &ac97c_data);
+#endif
+
+        /* Select the Touchscreen interrupt pin mode */
+        at32_select_periph(GPIO_PIOB_BASE, 0x08000000, GPIO_PERIPH_A, 0);
+
+        return 0;
+}
+
+postcore_initcall(hammerhead_init);