arch/arm/mach-bcm/bcm_kona_smc.h

   1 /*
   2  * Copyright (C) 2013 Broadcom Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation version 2.
   7  *
   8  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
   9  * kind, whether express or implied; without even the implied warranty
  10  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef BCM_KONA_SMC_H
  15 #define BCM_KONA_SMC_H
  16
  17 #include <linux/types.h>
  18 #define FLAGS   (SEC_ROM_ICACHE_ENABLE_MASK | SEC_ROM_DCACHE_ENABLE_MASK | \
  19                         SEC_ROM_IRQ_ENABLE_MASK | SEC_ROM_FIQ_ENABLE_MASK)
  20
  21 /*!
  22  * Definitions for IRQ & FIQ Mask for ARM
  23  */
  24
  25 #define FIQ_IRQ_MASK                                            0xC0
  26 #define FIQ_MASK                                                0x40
  27 #define IRQ_MASK                                                0x80
  28
  29 /*!
  30  * Secure Mode FLAGs
  31  */
  32
  33 /* When set, enables ICache within the secure mode */
  34 #define SEC_ROM_ICACHE_ENABLE_MASK                        0x00000001
  35
  36 /* When set, enables DCache within the secure mode */
  37 #define SEC_ROM_DCACHE_ENABLE_MASK                        0x00000002
  38
  39 /* When set, enables IRQ within the secure mode */
  40 #define SEC_ROM_IRQ_ENABLE_MASK                           0x00000004
  41
  42 /* When set, enables FIQ within the secure mode */
  43 #define SEC_ROM_FIQ_ENABLE_MASK                           0x00000008
  44
  45 /* When set, enables Unified L2 cache within the secure mode */
  46 #define SEC_ROM_UL2_CACHE_ENABLE_MASK                     0x00000010
  47
  48 /* Broadcom Secure Service API Service IDs */
  49 #define SSAPI_DORMANT_ENTRY_SERV                          0x01000000
  50 #define SSAPI_PUBLIC_OTP_SERV                             0x01000001
  51 #define SSAPI_ENABLE_L2_CACHE                             0x01000002
  52 #define SSAPI_DISABLE_L2_CACHE                            0x01000003
  53 #define SSAPI_WRITE_SCU_STATUS                            0x01000004
  54 #define SSAPI_WRITE_PWR_GATE                              0x01000005
  55
  56 /* Broadcom Secure Service API Return Codes */
  57 #define SEC_ROM_RET_OK                  0x00000001
  58 #define SEC_ROM_RET_FAIL                0x00000009
  59
  60 #define SSAPI_RET_FROM_INT_SERV         0x4
  61 #define SEC_EXIT_NORMAL                 0x1
  62
  63 #define SSAPI_ROW_AES                   0x0E000006
  64 #define SSAPI_BRCM_START_VC_CORE        0x0E000008
  65
  66 #ifndef __ASSEMBLY__
  67 extern void bcm_kona_smc_init(void);
  68
  69 extern unsigned bcm_kona_smc(unsigned service_id,
  70                              unsigned arg0,
  71                              unsigned arg1,
  72                              unsigned arg2,
  73                              unsigned arg3);
  74
  75 extern int bcm_kona_smc_asm(u32 service_id,
  76                             u32 buffer_addr);
  77
  78 #endif  /* __ASSEMBLY__ */
  79
  80 #endif /* BCM_KONA_SMC_H */