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-rw-r--r--arch/avr32/boards/hammerhead/setup.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/arch/avr32/boards/hammerhead/setup.c b/arch/avr32/boards/hammerhead/setup.c
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index 00000000000..4d2fe82b202
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+++ 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);