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authorKevin Wells <wellsk40@gmail.com>2010-07-27 08:42:46 -0700
committerKevin Wells <wellsk40@gmail.com>2010-07-27 08:42:46 -0700
commitfc982e1ceaeb4dea3f3f8ceba5b934cee292944a (patch)
treebeeacac3262fb953b7e5b3ad70fb6014c8fe38aa /arch/arm/mach-lpc32xx/common.h
parente6e912c4964ce5976e508881207dfa96d5f856d7 (diff)
ARM: LPC32XX: Misc support functions
Misc support functions and prototypes used in the LPC32XX arch and platforms Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-lpc32xx/common.h')
-rw-r--r--arch/arm/mach-lpc32xx/common.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/common.h b/arch/arm/mach-lpc32xx/common.h
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+/*
+ * arch/arm/mach-lpc32xx/common.h
+ *
+ * Author: Kevin Wells <kevin.wells@nxp.com>
+ *
+ * Copyright (C) 2009-2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __LPC32XX_COMMON_H
+#define __LPC32XX_COMMON_H
+
+#include <linux/platform_device.h>
+
+/*
+ * Arch specific platform device structures
+ */
+extern struct platform_device lpc32xx_watchdog_device;
+extern struct platform_device lpc32xx_i2c0_device;
+extern struct platform_device lpc32xx_i2c1_device;
+extern struct platform_device lpc32xx_i2c2_device;
+
+/*
+ * Other arch specific structures and functions
+ */
+extern struct sys_timer lpc32xx_timer;
+extern void __init lpc32xx_init_irq(void);
+extern void __init lpc32xx_map_io(void);
+extern void __init lpc32xx_serial_init(void);
+extern void __init lpc32xx_gpio_init(void);
+
+/*
+ * Structure used for setting up and querying the PLLS
+ */
+struct clk_pll_setup {
+ int analog_on;
+ int cco_bypass_b15;
+ int direct_output_b14;
+ int fdbk_div_ctrl_b13;
+ int pll_p;
+ int pll_n;
+ u32 pll_m;
+};
+
+extern int clk_is_sysclk_mainosc(void);
+extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
+extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
+extern u32 clk_get_pclk_div(void);
+
+/*
+ * Returns the LPC32xx unique 128-bit chip ID
+ */
+extern void lpc32xx_get_uid(u32 devid[4]);
+
+extern void lpc32xx_watchdog_reset(void);
+extern u32 lpc32xx_return_iram_size(void);
+
+/*
+ * Pointers used for sizing and copying suspend function data
+ */
+extern int lpc32xx_sys_suspend(void);
+extern int lpc32xx_sys_suspend_sz;
+
+#endif