| Mingkai Hu | d239651 | 2016-09-07 18:47:28 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Freescale Semiconductor |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #ifndef __CPLD_H__ |
| 8 | #define __CPLD_H__ |
| 9 | |
| 10 | /* |
| 11 | * CPLD register set of LS1046ARDB board-specific. |
| 12 | * CPLD Revision: V2.1 |
| 13 | */ |
| 14 | struct cpld_data { |
| 15 | u8 cpld_ver; /* 0x0 - CPLD Major Revision Register */ |
| 16 | u8 cpld_ver_sub; /* 0x1 - CPLD Minor Revision Register */ |
| 17 | u8 pcba_ver; /* 0x2 - PCBA Revision Register */ |
| 18 | u8 system_rst; /* 0x3 - system reset register */ |
| 19 | u8 soft_mux_on; /* 0x4 - Switch Control Enable Register */ |
| 20 | u8 cfg_rcw_src1; /* 0x5 - RCW Source Location POR Regsiter 1 */ |
| 21 | u8 cfg_rcw_src2; /* 0x6 - RCW Source Location POR Regsiter 2 */ |
| 22 | u8 vbank; /* 0x7 - QSPI Flash Bank Setting Register */ |
| 23 | u8 sysclk_sel; /* 0x8 - System clock POR Register */ |
| 24 | u8 uart_sel; /* 0x9 - UART1 Connection Control Register */ |
| 25 | u8 sd1refclk_sel; /* 0xA - */ |
| 26 | u8 rgmii_1588_sel; /* 0xB - */ |
| 27 | u8 reg_1588_clk_sel; /* 0xC - */ |
| 28 | u8 status_led; /* 0xD - */ |
| 29 | u8 global_rst; /* 0xE - */ |
| 30 | u8 sd_emmc; /* 0xF - SD/EMMC Interface Control Regsiter */ |
| 31 | u8 vdd_en; /* 0x10 - VDD Voltage Control Enable Register */ |
| 32 | u8 vdd_sel; /* 0x11 - VDD Voltage Control Register */ |
| 33 | }; |
| 34 | |
| 35 | u8 cpld_read(unsigned int reg); |
| 36 | void cpld_write(unsigned int reg, u8 value); |
| 37 | void cpld_rev_bit(unsigned char *value); |
| Hou Zhiqiang | 4642eaa | 2016-12-09 16:08:59 +0800 | [diff] [blame] | 38 | void cpld_select_core_volt(bool en_0v9); |
| Mingkai Hu | d239651 | 2016-09-07 18:47:28 +0800 | [diff] [blame] | 39 | |
| 40 | #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg)) |
| 41 | #define CPLD_WRITE(reg, value) \ |
| 42 | cpld_write(offsetof(struct cpld_data, reg), value) |
| 43 | |
| 44 | /* CPLD on IFC */ |
| 45 | #define CPLD_SW_MUX_BANK_SEL 0x40 |
| 46 | #define CPLD_BANK_SEL_MASK 0x07 |
| 47 | #define CPLD_BANK_SEL_ALTBANK 0x04 |
| 48 | #define CPLD_CFG_RCW_SRC_QSPI 0x044 |
| 49 | #define CPLD_CFG_RCW_SRC_SD 0x040 |
| 50 | #endif |