include/drivers/marvell/ccu.h

   1 /*
   2  * Copyright (C) 2018 Marvell International Ltd.
   3  *
   4  * SPDX-License-Identifier:     BSD-3-Clause
   5  * https://spdx.org/licenses
   6  */
   7
   8 /* CCU unit device driver for Marvell AP807, AP807 and AP810 SoCs */
   9
  10 #ifndef CCU_H
  11 #define CCU_H
  12
  13 #ifndef __ASSEMBLY__
  14 #include <drivers/marvell/addr_map.h>
  15 #endif
  16
  17 /* CCU registers definitions */
  18 #define CCU_WIN_CR_OFFSET(ap, win)              (MVEBU_CCU_BASE(ap) + 0x0 + \
  19                                                 (0x10 * win))
  20 #define CCU_TARGET_ID_OFFSET                    (8)
  21 #define CCU_TARGET_ID_MASK                      (0x7F)
  22
  23 #define CCU_WIN_SCR_OFFSET(ap, win)             (MVEBU_CCU_BASE(ap) + 0x4 + \
  24                                                 (0x10 * win))
  25 #define CCU_WIN_ENA_WRITE_SECURE                (0x1)
  26 #define CCU_WIN_ENA_READ_SECURE                 (0x2)
  27
  28 #define CCU_WIN_ALR_OFFSET(ap, win)             (MVEBU_CCU_BASE(ap) + 0x8 + \
  29                                                 (0x10 * win))
  30 #define CCU_WIN_AHR_OFFSET(ap, win)             (MVEBU_CCU_BASE(ap) + 0xC + \
  31                                                 (0x10 * win))
  32
  33 #define CCU_WIN_GCR_OFFSET(ap)                  (MVEBU_CCU_BASE(ap) + 0xD0)
  34 #define CCU_GCR_TARGET_OFFSET                   (8)
  35 #define CCU_GCR_TARGET_MASK                     (0xFF)
  36
  37 #define CCU_SRAM_WIN_CR                         CCU_WIN_CR_OFFSET(MVEBU_AP0, 1)
  38
  39 #ifndef __ASSEMBLY__
  40 int init_ccu(int);
  41 void ccu_win_check(struct addr_map_win *win);
  42 void ccu_enable_win(int ap_index, struct addr_map_win *win, uint32_t win_id);
  43 void ccu_temp_win_insert(int ap_index, struct addr_map_win *win, int size);
  44 void ccu_temp_win_remove(int ap_index, struct addr_map_win *win, int size);
  45 void ccu_dram_win_config(int ap_index, struct addr_map_win *win);
  46 void ccu_dram_target_set(int ap_index, uint32_t target);
  47 void ccu_save_win_all(int ap_id);
  48 void ccu_restore_win_all(int ap_id);
  49 #endif
  50
  51 #endif /* CCU_H */