u-boot/board/freescale/p2041rdb/cpld.h
Mingkai Hu 4f1d1b7d1e powerpc/p2041rdb: Add p2041rdb board support
P2041RDB Specification:
-----------------------
Memory subsystem:
 * 4Gbyte unbuffered DDR3 SDRAM SO-DIMM(64bit bus)
 * 128 Mbyte NOR flash single-chip memory
 * 256 Kbit M24256 I2C EEPROM
 * 16 Mbyte SPI memory
 * SD connector to interface with the SD memory card

Ethernet:
 * dTSEC1: connected to the Vitesse SGMII PHY (VSC8221)
 * dTSEC2: connected to the Vitesse SGMII PHY (VSC8221)
 * dTSEC3: connected to the Vitesse SGMII PHY (VSC8221)
 * dTSEC4: connected to the Vitesse RGMII PHY (VSC8641)
 * dTSEC5: connected to the Vitesse RGMII PHY (VSC8641)

PCIe:
 * Lanes E, F, G and H of Bank1 are connected to one x4 PCIe SLOT1
 * Lanes C and Land D of Bank2 are connected to one x4 PCIe SLOT2

SATA: Lanes C and Land D of Bank2 are connected to two SATA connectors

USB 2.0: connected via a internal UTMI PHY to two TYPE-A interfaces

I2C:
 * I2C1: Real time clock, Temperature sensor, Memory module
 * I2C2: Vcore Regulator, 256Kbit I2C Bus EEPROM, PCIe slot1/2

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-07-17 11:03:36 -05:00

53 lines
2 KiB
C

/**
* Copyright 2011 Freescale Semiconductor
* Author: Mingkai Hu <Mingkai.hu@freescale.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* 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.
*/
typedef struct cpld_data {
u8 cpld_ver; /* 0x0 - CPLD Major Revision Register */
u8 cpld_ver_sub; /* 0x1 - CPLD Minor Revision Register */
u8 pcba_ver; /* 0x2 - PCBA Revision Register */
u8 system_rst; /* 0x3 - system reset register */
u8 wd_cfg; /* 0x4 - Watchdog Period Setting Register */
u8 sw_ctl_on; /* 0x5 - Switch Control Enable Register */
u8 por_cfg; /* 0x6 - POR Control Register */
u8 switch_strobe; /* 0x7 - Multiplexed pin Select Register */
u8 jtag_sel; /* 0x8 - JTAG or AURORA Selection */
u8 sdbank1_clk; /* 0x9 - SerDes Bank1 Reference clock */
u8 sdbank2_clk; /* 0xa - SerDes Bank2 Reference clock */
u8 fbank_sel; /* 0xb - Flash bank selection */
u8 serdes_mux; /* 0xc - Multiplexed pin Select Register */
u8 sw[1]; /* 0xd - SW2 Status */
} __attribute__ ((packed)) cpld_data_t;
#define SERDES_MUX_LANE_6_MASK 0x2
#define SERDES_MUX_LANE_6_SHIFT 1
#define SERDES_MUX_LANE_A_MASK 0x1
#define SERDES_MUX_LANE_A_SHIFT 0
#define SERDES_MUX_LANE_C_MASK 0x4
#define SERDES_MUX_LANE_C_SHIFT 2
#define SERDES_MUX_LANE_D_MASK 0x8
#define SERDES_MUX_LANE_D_SHIFT 3
/* Pointer to the CPLD register set */
#define cpld ((cpld_data_t *)CPLD_BASE)
/* The CPLD SW register that corresponds to board switch X, where x >= 1 */
#define CPLD_SW(x) (cpld->sw[(x) - 2])
u8 cpld_read(unsigned int reg);
void cpld_write(unsigned int reg, u8 value);
#define CPLD_READ(reg) cpld_read(offsetof(cpld_data_t, reg))
#define CPLD_WRITE(reg, value) cpld_write(offsetof(cpld_data_t, reg), value)