| 1 | /*
|
|---|
| 2 | * Copyright (c) 2012 Jan Vesely
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup amdm37xdrvprm
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | * @brief Clock Control Clock Management IO register structure.
|
|---|
| 34 | */
|
|---|
| 35 | #ifndef AMDM37X_PRM_CLOCK_CONTROL_H
|
|---|
| 36 | #define AMDM37X_PRM_CLOCK_CONTROL_H
|
|---|
| 37 |
|
|---|
| 38 | #include <ddi.h>
|
|---|
| 39 | #include <macros.h>
|
|---|
| 40 |
|
|---|
| 41 | /* AM/DM37x TRM p.536 and p.589 */
|
|---|
| 42 | #define CLOCK_CONTROL_PRM_BASE_ADDRESS 0x48306d00
|
|---|
| 43 | #define CLOCK_CONTROL_PRM_SIZE 8192
|
|---|
| 44 |
|
|---|
| 45 | /** Clock control PRM register map
|
|---|
| 46 | */
|
|---|
| 47 | typedef struct {
|
|---|
| 48 | PADD32[16];
|
|---|
| 49 | ioport32_t clksel;
|
|---|
| 50 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_MASK (0x7)
|
|---|
| 51 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_12M (0x0)
|
|---|
| 52 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_13M (0x1)
|
|---|
| 53 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_19_2M (0x2)
|
|---|
| 54 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_26M (0x3)
|
|---|
| 55 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_38_4M (0x4)
|
|---|
| 56 | #define CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_16_8M (0x5)
|
|---|
| 57 |
|
|---|
| 58 | PADD32[12];
|
|---|
| 59 | ioport32_t clkout_ctrl;
|
|---|
| 60 | #define CLOCK_CONTROL_PRM_CLKOUT_CTRL_CLKOUOUT_EN_FLAG (1 << 7)
|
|---|
| 61 |
|
|---|
| 62 | } clock_control_prm_regs_t;
|
|---|
| 63 |
|
|---|
| 64 | static inline unsigned sys_clk_freq_kHz(unsigned reg_val)
|
|---|
| 65 | {
|
|---|
| 66 | switch(reg_val)
|
|---|
| 67 | {
|
|---|
| 68 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_12M: return 12000;
|
|---|
| 69 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_13M: return 13000;
|
|---|
| 70 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_19_2M: return 19200;
|
|---|
| 71 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_26M: return 26000;
|
|---|
| 72 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_38_4M: return 38400;
|
|---|
| 73 | case CLOCK_CONTROL_PRM_CLKSEL_SYS_CLKIN_16_8M: return 16800;
|
|---|
| 74 | }
|
|---|
| 75 | return 0;
|
|---|
| 76 | }
|
|---|
| 77 |
|
|---|
| 78 |
|
|---|
| 79 | #endif
|
|---|
| 80 | /**
|
|---|
| 81 | * @}
|
|---|
| 82 | */
|
|---|
