1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License version 2 as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope that it will be useful, 7 * but WITHOUT ANY WARRANTY; without even the implied warranty of 8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 * GNU General Public License for more details. 10 * 11 * Copyright (C) 2012 ARM Limited 12 */ 13 14 #ifndef _LINUX_VEXPRESS_H 15 #define _LINUX_VEXPRESS_H 16 17 #include <linux/device.h> 18 #include <linux/platform_device.h> 19 #include <linux/reboot.h> 20 #include <linux/regmap.h> 21 22 #define VEXPRESS_SITE_MB 0 23 #define VEXPRESS_SITE_DB1 1 24 #define VEXPRESS_SITE_DB2 2 25 #define VEXPRESS_SITE_MASTER 0xf 26 27 #define VEXPRESS_RES_FUNC(_site, _func) \ 28 { \ 29 .start = (_site), \ 30 .end = (_func), \ 31 .flags = IORESOURCE_BUS, \ 32 } 33 34 /* Config infrastructure */ 35 36 void vexpress_config_set_master(u32 site); 37 u32 vexpress_config_get_master(void); 38 39 void vexpress_config_lock(void *arg); 40 void vexpress_config_unlock(void *arg); 41 42 int vexpress_config_get_topo(struct device_node *node, u32 *site, 43 u32 *position, u32 *dcc); 44 45 /* Config bridge API */ 46 47 struct vexpress_config_bridge_ops { 48 struct regmap * (*regmap_init)(struct device *dev, void *context); 49 void (*regmap_exit)(struct regmap *regmap, void *context); 50 }; 51 52 struct device *vexpress_config_bridge_register(struct device *parent, 53 struct vexpress_config_bridge_ops *ops, void *context); 54 55 /* Config regmap API */ 56 57 struct regmap *devm_regmap_init_vexpress_config(struct device *dev); 58 59 /* Platform control */ 60 61 unsigned int vexpress_get_mci_cardin(struct device *dev); 62 u32 vexpress_get_procid(int site); 63 void *vexpress_get_24mhz_clock_base(void); 64 void vexpress_flags_set(u32 data); 65 66 void vexpress_sysreg_early_init(void __iomem *base); 67 int vexpress_syscfg_device_register(struct platform_device *pdev); 68 69 /* Clocks */ 70 71 void vexpress_clk_init(void __iomem *sp810_base); 72 73 #endif 74