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am43xx: Tune the system to avoid DSS underflows
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1 /*
2  * hardware_am43xx.h
3  *
4  * AM43xx hardware specific header
5  *
6  * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
7  *
8  * SPDX-License-Identifier:     GPL-2.0+
9  */
10
11 #ifndef __AM43XX_HARDWARE_AM43XX_H
12 #define __AM43XX_HARDWARE_AM43XX_H
13
14 /* Module base addresses */
15
16 /* L3 Fast Configuration Bandwidth Limiter Base Address */
17 #define L3F_CFG_BWLIMITER               0x44005200
18
19 /* UART Base Address */
20 #define UART0_BASE                      0x44E09000
21
22 /* GPIO Base address */
23 #define GPIO2_BASE                      0x481AC000
24
25 /* Watchdog Timer */
26 #define WDT_BASE                        0x44E35000
27
28 /* Control Module Base Address */
29 #define CTRL_BASE                       0x44E10000
30 #define CTRL_DEVICE_BASE                0x44E10600
31
32 /* PRCM Base Address */
33 #define PRCM_BASE                       0x44DF0000
34 #define CM_WKUP                         0x44DF2800
35 #define CM_PER                          0x44DF8800
36 #define CM_DPLL                         0x44DF4200
37 #define CM_RTC                          0x44DF8500
38
39 #define PRM_RSTCTRL                     (PRCM_BASE + 0x4000)
40 #define PRM_RSTST                       (PRM_RSTCTRL + 4)
41
42 /* VTP Base address */
43 #define VTP0_CTRL_ADDR                  0x44E10E0C
44 #define VTP1_CTRL_ADDR                  0x48140E10
45
46 /* DDR Base address */
47 #define DDR_PHY_CMD_ADDR                0x44E12000
48 #define DDR_PHY_DATA_ADDR               0x44E120C8
49 #define DDR_PHY_CMD_ADDR2               0x47C0C800
50 #define DDR_PHY_DATA_ADDR2              0x47C0C8C8
51 #define DDR_DATA_REGS_NR                2
52
53 /* CPSW Config space */
54 #define CPSW_MDIO_BASE                  0x4A101000
55
56 /* RTC base address */
57 #define RTC_BASE                        0x44E3E000
58
59 /* USB Clock Control */
60 #define PRM_PER_USB_OTG_SS0_CLKCTRL (CM_PER + 0x260)
61 #define PRM_PER_USB_OTG_SS1_CLKCTRL (CM_PER + 0x268)
62 #define USBOTGSSX_CLKCTRL_MODULE_EN     (1 << 1)
63 #define USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960 (1 << 8)
64
65 #define PRM_PER_USBPHYOCP2SCP0_CLKCTRL (CM_PER + 0x5b8)
66 #define PRM_PER_USBPHYOCP2SCP1_CLKCTRL (CM_PER + 0x5c0)
67 #define USBPHYOCPSCP_MODULE_EN  (1 << 1)
68 #define CM_DEVICE_INST                  0x44df4100
69
70 /* Control status register */
71 #define CTRL_CRYSTAL_FREQ_SRC_MASK              (1 << 31)
72 #define CTRL_CRYSTAL_FREQ_SRC_SHIFT             31
73 #define CTRL_CRYSTAL_FREQ_SELECTION_MASK        (0x3 << 29)
74 #define CTRL_CRYSTAL_FREQ_SELECTION_SHIFT       29
75 #define CTRL_SYSBOOT_15_14_MASK                 (0x3 << 22)
76 #define CTRL_SYSBOOT_15_14_SHIFT                22
77
78 #define CTRL_CRYSTAL_FREQ_SRC_SYSBOOT           0x0
79 #define CTRL_CRYSTAL_FREQ_SRC_EFUSE             0x1
80
81 #define NUM_CRYSTAL_FREQ                        0x4
82
83 #endif /* __AM43XX_HARDWARE_AM43XX_H */