Home | History | Annotate | Download | only in pwrc
      1 /*
      2  * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are met:
      6  *
      7  * Redistributions of source code must retain the above copyright notice, this
      8  * list of conditions and the following disclaimer.
      9  *
     10  * Redistributions in binary form must reproduce the above copyright notice,
     11  * this list of conditions and the following disclaimer in the documentation
     12  * and/or other materials provided with the distribution.
     13  *
     14  * Neither the name of ARM nor the names of its contributors may be used
     15  * to endorse or promote products derived from this software without specific
     16  * prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
     22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef __FVP_PWRC_H__
     32 #define __FVP_PWRC_H__
     33 
     34 /* FVP Power controller register offset etc */
     35 #define PPOFFR_OFF		0x0
     36 #define PPONR_OFF		0x4
     37 #define PCOFFR_OFF		0x8
     38 #define PWKUPR_OFF		0xc
     39 #define PSYSR_OFF		0x10
     40 
     41 #define PWKUPR_WEN		(1ull << 31)
     42 
     43 #define PSYSR_AFF_L2		(1 << 31)
     44 #define PSYSR_AFF_L1		(1 << 30)
     45 #define PSYSR_AFF_L0		(1 << 29)
     46 #define PSYSR_WEN		(1 << 28)
     47 #define PSYSR_PC		(1 << 27)
     48 #define PSYSR_PP		(1 << 26)
     49 
     50 #define PSYSR_WK_SHIFT		24
     51 #define PSYSR_WK_MASK		0x3
     52 #define PSYSR_WK(x)		(x >> PSYSR_WK_SHIFT) & PSYSR_WK_MASK
     53 
     54 #define WKUP_COLD		0x0
     55 #define WKUP_RESET		0x1
     56 #define WKUP_PPONR		0x2
     57 #define WKUP_GICREQ		0x3
     58 
     59 #define PSYSR_INVALID		0xffffffff
     60 
     61 #ifndef __ASSEMBLY__
     62 
     63 /*******************************************************************************
     64  * Function & variable prototypes
     65  ******************************************************************************/
     66 int fvp_pwrc_setup(void);
     67 void fvp_pwrc_write_pcoffr(unsigned long);
     68 void fvp_pwrc_write_ppoffr(unsigned long);
     69 void fvp_pwrc_write_pponr(unsigned long);
     70 void fvp_pwrc_set_wen(unsigned long);
     71 void fvp_pwrc_clr_wen(unsigned long);
     72 unsigned int fvp_pwrc_read_psysr(unsigned long);
     73 unsigned int fvp_pwrc_get_cpu_wkr(unsigned long);
     74 
     75 #endif /*__ASSEMBLY__*/
     76 
     77 #endif /* __FVP_PWRC_H__ */
     78