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| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2014-04-03 15:20:05 +0400 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-04-23 04:58:48 +0400 |
| commit | 55153d6c30d8ce11c8a7acf226375e61546b8401 (patch) | |
| tree | 96a474dd83c7439816962410b186d1ec703acb89 /board/freescale/t104xrdb/cpld.h | |
| parent | d616fc58e5ac56e2297761ad2ad530eb7df559f9 (diff) | |
| download | u-boot-55153d6c30d8ce11c8a7acf226375e61546b8401.tar.xz | |
board/t104xrdb: Add support of CPLD
T1040RDB and T1042RDB_PI has CPLD. Here CPLD controls board mux/features.
This support of CPLD includes
- files and register defintion
- Commands to swtich alternate bank and default bank
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'board/freescale/t104xrdb/cpld.h')
| -rw-r--r-- | board/freescale/t104xrdb/cpld.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/board/freescale/t104xrdb/cpld.h b/board/freescale/t104xrdb/cpld.h new file mode 100644 index 0000000000..0da9a0159b --- /dev/null +++ b/board/freescale/t104xrdb/cpld.h @@ -0,0 +1,40 @@ +/** + * Copyright 2013 Freescale Semiconductor + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This file provides support for the ngPIXIS, a board-specific FPGA used on + * some Freescale reference boards. + */ + +/* + * CPLD register set. Feel free to add board-specific #ifdefs where necessary. + */ +struct cpld_data { + u8 cpld_ver; /* 0x00 - CPLD Major Revision Register */ + u8 cpld_ver_sub; /* 0x01 - CPLD Minor Revision Register */ + u8 hw_ver; /* 0x02 - Hardware Revision Register */ + u8 sw_ver; /* 0x03 - Software Revision register */ + u8 res0[12]; /* 0x04 - 0x0F - not used */ + u8 reset_ctl1; /* 0x10 - Reset control Register1 */ + u8 reset_ctl2; /* 0x11 - Reset control Register2 */ + u8 int_status; /* 0x12 - Interrupt status Register */ + u8 flash_ctl_status; /* 0x13 - Flash control and status register */ + u8 fan_ctl_status; /* 0x14 - Fan control and status register */ + u8 led_ctl_status; /* 0x15 - LED control and status register */ + u8 sfp_ctl_status; /* 0x16 - SFP control and status register */ + u8 misc_ctl_status; /* 0x17 - Miscellanies ctrl & status register*/ + u8 boot_override; /* 0x18 - Boot override register */ + u8 boot_config1; /* 0x19 - Boot config override register*/ + u8 boot_config2; /* 0x1A - Boot config override register*/ +} cpld_data_t; + + +/* Pointer to the CPLD register set */ + +u8 cpld_read(unsigned int reg); +void cpld_write(unsigned int reg, u8 value); + +#define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg)) +#define CPLD_WRITE(reg, value)\ + cpld_write(offsetof(struct cpld_data, reg), value) |