--- /dev/null
+/*
+ * linux/arch/arm/mach-omap2/board-rx51.c
+ *
+ * Copyright (C) 2007, 2008 Nokia
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/omapfb.h>
+#include <linux/usb/musb.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/mcspi.h>
+#include <mach/gpio.h>
+#include <mach/mux.h>
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/keypad.h>
+#include <mach/dma.h>
+#include <mach/gpmc.h>
+#include <mach/usb-musb.h>
+#include <mach/omap-pm.h>
+#include <mach/vram.h>
+
+#include <asm/io.h>
+#include <asm/delay.h>
+
+#include "omap3-opp.h"
+#include "pm.h"
+
+#include <mach/pm.h>
+#include <mach/omap-pm.h>
+#include <mach/prcm.h>
+#include "cm.h"
+
+#define RX51_USB_TRANSCEIVER_RST_GPIO 67
+
+extern int omap_init_fb(void);
+extern void rx51_video_mem_init(void);
+
+static struct omap_uart_config rx51_uart_config = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_board_config_kernel rx51_config[] = {
+ { OMAP_TAG_UART, &rx51_uart_config },
+};
+
+static struct omap_bluetooth_config rx51_bt_config = {
+ .chip_type = BT_CHIP_BCM,
+ .bt_wakeup_gpio = 37,
+ .host_wakeup_gpio = 101,
+ .reset_gpio = 91,
+ .bt_uart = 2,
+ .bt_sysclk = BT_SYSCLK_38_4,
+};
+
+static void __init rx51_init_irq(void)
+{
+ struct omap_sdrc_params *sdrc_params;
+
+ sdrc_params = rx51_get_sdram_timings();
+
+ omap2_init_common_hw(sdrc_params, sdrc_params,
+ omap3_mpu_rate_table,
+ omap3_dsp_rate_table,
+ omap3_l3_rate_table);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+static void __init rx51_pm_init(void)
+{
+ struct prm_setup_times prm_setup = {
+ .clksetup = 111, /* must equal Volt offset + voltsetup2 */
+ .voltsetup_time1 = 270,
+ .voltsetup_time2 = 150,
+ /* Time between wakeup event to when the sysoff goes high */
+ .voltoffset = 16,
+ /* The following is for a 2.25ms ramp time of the oscillator
+ * Documented 2ms, added .25 as margin. NOTE: scripts
+ * change as oscillator changes
+ */
+ .voltsetup2 = 95,
+ };
+
+ omap3_set_prm_setup_times(&prm_setup);
+}
+
+static void __init rx51_xceiv_init(void)
+{
+ if (gpio_request(RX51_USB_TRANSCEIVER_RST_GPIO, NULL) < 0)
+ BUG();
+ gpio_direction_output(RX51_USB_TRANSCEIVER_RST_GPIO, 1);
+}
+
+static int rx51_xceiv_reset(void)
+{
+ /* make sure the transceiver is awake */
+ msleep(15);
+ /* only reset powered transceivers */
+ if (!gpio_get_value(RX51_USB_TRANSCEIVER_RST_GPIO))
+ return 0;
+ gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, 0);
+ msleep(1);
+ gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, 1);
+ msleep(15);
+
+ return 0;
+}
+
+static int rx51_xceiv_power(bool power)
+{
+ unsigned long timeout;
+
+ if (!power) {
+ /* Let musb go stdby before powering down the transceiver */
+ timeout = jiffies + msecs_to_jiffies(100);
+ while (!time_after(jiffies, timeout))
+ if (cm_read_mod_reg(CORE_MOD, CM_IDLEST1)
+ & OMAP3430ES2_ST_HSOTGUSB_STDBY_MASK)
+ break;
+ if (!(cm_read_mod_reg(CORE_MOD, CM_IDLEST1)
+ & OMAP3430ES2_ST_HSOTGUSB_STDBY_MASK))
+ WARN(1, "could not put musb to sleep\n");
+ }
+ gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, power);
+
+ return 0;
+}
+
+/**
+ * rx51_usb_set_pm_limits - sets omap3-related pm constraints
+ * @dev: musb's device pointer
+ * @set: set or clear constraints
+ *
+ * For now we only need mpu wakeup latency mpu frequency, if we
+ * need anything else we just add the logic here and the driver
+ * is already handling what needs to be handled.
+ */
+static void rx51_usb_set_pm_limits(struct device *dev, bool set)
+{
+ omap_pm_set_max_mpu_wakeup_lat(dev, set ? 10 : -1);
+ omap_pm_set_min_mpu_freq(dev, set ? 500000000 : 0);
+}
+
+static struct musb_board_data rx51_musb_data = {
+ .xceiv_reset = rx51_xceiv_reset,
+ .xceiv_power = rx51_xceiv_power,
+ .set_pm_limits = rx51_usb_set_pm_limits,
+};
+
+static void __init rx51_init(void)
+{
+ rx51_xceiv_init();
+ usb_musb_init(&rx51_musb_data);
+ omap_serial_init();
+ rx51_pm_init();
+ /*
+ * With this early call work around a current clock framework problem
+ * where enabling and then disabling a clock disables a root clock
+ * used by another child clock. In our case this would happen with
+ * hsmmc which is normally initialized before fb.
+ */
+ omap_init_fb();
+ omap_bt_init(&rx51_bt_config);
+}
+
+static void __init rx51_map_io(void)
+{
+ omap_board_config = rx51_config;
+ omap_board_config_size = ARRAY_SIZE(rx51_config);
+ omap2_set_globals_343x();
+ omap2_map_common_io();
+ rx51_video_mem_init();
+}
+
+MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
+ /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = rx51_map_io,
+ .init_irq = rx51_init_irq,
+ .init_machine = rx51_init,
+ .timer = &omap_timer,
+MACHINE_END
projects / h-e-n / blobdiff