upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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131 lines
4.1 KiB
131 lines
4.1 KiB
18 years ago
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/*
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* Copyright (C) 2006 Freescale Semiconductor, Inc.
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*
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* Dave Liu <daveliu@freescale.com>
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* based on source code of Shlomi Gridish
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __UCCF_H__
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#define __UCCF_H__
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#include "common.h"
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#include "qe.h"
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/* Fast or Giga ethernet
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*/
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typedef enum enet_type {
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FAST_ETH,
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GIGA_ETH,
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} enet_type_e;
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/* General UCC Extended Mode Register
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*/
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#define UCC_GUEMR_MODE_MASK_RX 0x02
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#define UCC_GUEMR_MODE_MASK_TX 0x01
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#define UCC_GUEMR_MODE_FAST_RX 0x02
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#define UCC_GUEMR_MODE_FAST_TX 0x01
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#define UCC_GUEMR_MODE_SLOW_RX 0x00
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#define UCC_GUEMR_MODE_SLOW_TX 0x00
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#define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */
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/* General UCC FAST Mode Register
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*/
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#define UCC_FAST_GUMR_TCI 0x20000000
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#define UCC_FAST_GUMR_TRX 0x10000000
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#define UCC_FAST_GUMR_TTX 0x08000000
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#define UCC_FAST_GUMR_CDP 0x04000000
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#define UCC_FAST_GUMR_CTSP 0x02000000
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#define UCC_FAST_GUMR_CDS 0x01000000
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#define UCC_FAST_GUMR_CTSS 0x00800000
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#define UCC_FAST_GUMR_TXSY 0x00020000
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#define UCC_FAST_GUMR_RSYN 0x00010000
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#define UCC_FAST_GUMR_RTSM 0x00002000
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#define UCC_FAST_GUMR_REVD 0x00000400
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#define UCC_FAST_GUMR_ENR 0x00000020
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#define UCC_FAST_GUMR_ENT 0x00000010
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/* GUMR [MODE] bit maps
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*/
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#define UCC_FAST_GUMR_HDLC 0x00000000
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#define UCC_FAST_GUMR_QMC 0x00000002
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#define UCC_FAST_GUMR_UART 0x00000004
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#define UCC_FAST_GUMR_BISYNC 0x00000008
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#define UCC_FAST_GUMR_ATM 0x0000000a
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#define UCC_FAST_GUMR_ETH 0x0000000c
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/* Transmit On Demand (UTORD)
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*/
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#define UCC_SLOW_TOD 0x8000
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#define UCC_FAST_TOD 0x8000
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/* Fast Ethernet (10/100 Mbps)
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*/
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#define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */
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#define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */
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#define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */
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#define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */
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#define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */
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#define UCC_GETH_UTFTT_INIT 128
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/* Gigabit Ethernet (1000 Mbps)
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*/
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#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */
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#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */
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#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */
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#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */
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#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */
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#define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */
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/* UCC fast alignment
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*/
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#define UCC_FAST_RX_ALIGN 4
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#define UCC_FAST_MRBLR_ALIGNMENT 4
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#define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8
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/* Sizes
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*/
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#define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8
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/* UCC fast structure.
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*/
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typedef struct ucc_fast_info {
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int ucc_num;
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qe_clock_e rx_clock;
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qe_clock_e tx_clock;
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enet_type_e eth_type;
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} ucc_fast_info_t;
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typedef struct ucc_fast_private {
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ucc_fast_info_t *uf_info;
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ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */
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u32 *p_ucce; /* a pointer to the event register */
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u32 *p_uccm; /* a pointer to the mask register */
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int enabled_tx; /* whether UCC is enabled for Tx (ENT) */
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int enabled_rx; /* whether UCC is enabled for Rx (ENR) */
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u32 ucc_fast_tx_virtual_fifo_base_offset;
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u32 ucc_fast_rx_virtual_fifo_base_offset;
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} ucc_fast_private_t;
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void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf);
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u32 ucc_fast_get_qe_cr_subblock(int ucc_num);
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void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode);
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void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode);
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int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret);
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#endif /* __UCCF_H__ */
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