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mpc83xx: add QE ethernet support

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this patch adds support for the QUICC Engine based UCC gigabit ethernet device.
master
Dave Liu 18 years ago committed by Kim Phillips
parent 5f8204394e
commit 7737d5c658
18 changed files with 4138 additions and 7 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 3
      Makefile
  2. 56
      board/mpc8360emds/mpc8360emds.c
  3. 2
      cpu/mpc83xx/Makefile
  4. 40
      cpu/mpc83xx/cpu_init.c
  5. 85
      cpu/mpc83xx/qe_io.c
  6. 43
      drivers/qe/Makefile
  7. 254
      drivers/qe/qe.c
  8. 237
      drivers/qe/qe.h
  9. 404
      drivers/qe/uccf.c
  10. 130
      drivers/qe/uccf.h
  11. 1266
      drivers/qe/uec.c
  12. 716
      drivers/qe/uec.h
  13. 604
      drivers/qe/uec_phy.c
  14. 256
      drivers/qe/uec_phy.h
  15. 2
      include/asm-ppc/global_data.h
  16. 29
      include/configs/MPC8360EMDS.h
  17. 11
      include/ioports.h
  18. 7
      net/eth.c

3
Makefile
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@ -203,6 +203,9 @@ LIBS += dtt/libdtt.a
LIBS += drivers/libdrivers.a
LIBS += drivers/nand/libnand.a
LIBS += drivers/nand_legacy/libnand_legacy.a
ifeq ($(CPU),mpc83xx)
LIBS += drivers/qe/qe.a
endif
LIBS += drivers/sk98lin/libsk98lin.a
LIBS += post/libpost.a post/cpu/libcpu.a
LIBS += common/libcommon.a

56
board/mpc8360emds/mpc8360emds.c
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@ -29,6 +29,62 @@
#include <asm/mmu.h>
#endif
const qe_iop_conf_t qe_iop_conf_tab[] = {
/* GETH1 */
{0, 3, 1, 0, 1}, /* TxD0 */
{0, 4, 1, 0, 1}, /* TxD1 */
{0, 5, 1, 0, 1}, /* TxD2 */
{0, 6, 1, 0, 1}, /* TxD3 */
{1, 6, 1, 0, 3}, /* TxD4 */
{1, 7, 1, 0, 1}, /* TxD5 */
{1, 9, 1, 0, 2}, /* TxD6 */
{1, 10, 1, 0, 2}, /* TxD7 */
{0, 9, 2, 0, 1}, /* RxD0 */
{0, 10, 2, 0, 1}, /* RxD1 */
{0, 11, 2, 0, 1}, /* RxD2 */
{0, 12, 2, 0, 1}, /* RxD3 */
{0, 13, 2, 0, 1}, /* RxD4 */
{1, 1, 2, 0, 2}, /* RxD5 */
{1, 0, 2, 0, 2}, /* RxD6 */
{1, 4, 2, 0, 2}, /* RxD7 */
{0, 7, 1, 0, 1}, /* TX_EN */
{0, 8, 1, 0, 1}, /* TX_ER */
{0, 15, 2, 0, 1}, /* RX_DV */
{0, 16, 2, 0, 1}, /* RX_ER */
{0, 0, 2, 0, 1}, /* RX_CLK */
{2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
{2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
/* GETH2 */
{0, 17, 1, 0, 1}, /* TxD0 */
{0, 18, 1, 0, 1}, /* TxD1 */
{0, 19, 1, 0, 1}, /* TxD2 */
{0, 20, 1, 0, 1}, /* TxD3 */
{1, 2, 1, 0, 1}, /* TxD4 */
{1, 3, 1, 0, 2}, /* TxD5 */
{1, 5, 1, 0, 3}, /* TxD6 */
{1, 8, 1, 0, 3}, /* TxD7 */
{0, 23, 2, 0, 1}, /* RxD0 */
{0, 24, 2, 0, 1}, /* RxD1 */
{0, 25, 2, 0, 1}, /* RxD2 */
{0, 26, 2, 0, 1}, /* RxD3 */
{0, 27, 2, 0, 1}, /* RxD4 */
{1, 12, 2, 0, 2}, /* RxD5 */
{1, 13, 2, 0, 3}, /* RxD6 */
{1, 11, 2, 0, 2}, /* RxD7 */
{0, 21, 1, 0, 1}, /* TX_EN */
{0, 22, 1, 0, 1}, /* TX_ER */
{0, 29, 2, 0, 1}, /* RX_DV */
{0, 30, 2, 0, 1}, /* RX_ER */
{0, 31, 2, 0, 1}, /* RX_CLK */
{2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
{2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
{0, 1, 3, 0, 2}, /* MDIO */
{0, 2, 1, 0, 1}, /* MDC */
{0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
};
int board_early_init_f(void)
{
volatile u8 *bcsr = (volatile u8 *)CFG_BCSR;

2
cpu/mpc83xx/Makefile
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@ -29,7 +29,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \
i2c.o spd_sdram.o
i2c.o spd_sdram.o qe_io.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))

40
cpu/mpc83xx/cpu_init.c
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@ -1,5 +1,5 @@
/*
* Copyright 2004 Freescale Semiconductor, Inc.
* Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@ -31,6 +31,30 @@
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_QE
extern qe_iop_conf_t qe_iop_conf_tab[];
extern void qe_config_iopin(u8 port, u8 pin, int dir,
int open_drain, int assign);
extern void qe_init(uint qe_base);
extern void qe_reset(void);
static void config_qe_ioports(void)
{
u8 port, pin;
int dir, open_drain, assign;
int i;
for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
port = qe_iop_conf_tab[i].port;
pin = qe_iop_conf_tab[i].pin;
dir = qe_iop_conf_tab[i].dir;
open_drain = qe_iop_conf_tab[i].open_drain;
assign = qe_iop_conf_tab[i].assign;
qe_config_iopin(port, pin, dir, open_drain, assign);
}
}
#endif
/*
* Breathe some life into the CPU...
*
@ -100,6 +124,10 @@ void cpu_init_f (volatile immap_t * im)
#ifdef CFG_SICRL
im->sysconf.sicrl = CFG_SICRL;
#endif
#ifdef CONFIG_QE
/* Config QE ioports */
config_qe_ioports();
#endif
/*
* Memory Controller:
@ -188,12 +216,12 @@ void cpu_init_f (volatile immap_t * im)
#endif
}
/*
* Initialize higher level parts of CPU like time base and timers.
*/
int cpu_init_r (void)
{
#ifdef CONFIG_QE
uint qe_base = CFG_IMMRBAR + 0x00100000; /* QE immr base */
qe_init(qe_base);
qe_reset();
#endif
return 0;
}

85
cpu/mpc83xx/qe_io.c
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@ -0,0 +1,85 @@
/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "common.h"
#include "asm/errno.h"
#include "asm/io.h"
#include "asm/immap_83xx.h"
#if defined(CONFIG_QE)
#define NUM_OF_PINS 32
void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign)
{
u32 pin_2bit_mask;
u32 pin_2bit_dir;
u32 pin_2bit_assign;
u32 pin_1bit_mask;
u32 tmp_val;
volatile immap_t *im = (volatile immap_t *)CFG_IMMRBAR;
volatile gpio83xx_t *par_io =(volatile gpio83xx_t *)&im->gpio;
/* Caculate pin location and 2bit mask and dir */
pin_2bit_mask = (u32)(0x3 << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
pin_2bit_dir = (u32)(dir << (NUM_OF_PINS-(pin%(NUM_OF_PINS/2)+1)*2));
/* Setup the direction */
tmp_val = (pin > (NUM_OF_PINS/2) - 1) ? \
in_be32(&par_io->ioport[port].dir2) :
in_be32(&par_io->ioport[port].dir1);
if (pin > (NUM_OF_PINS/2) -1) {
out_be32(&par_io->ioport[port].dir2, ~pin_2bit_mask & tmp_val);
out_be32(&par_io->ioport[port].dir2, pin_2bit_dir | tmp_val);
} else {
out_be32(&par_io->ioport[port].dir1, ~pin_2bit_mask & tmp_val);
out_be32(&par_io->ioport[port].dir1, pin_2bit_dir | tmp_val);
}
/* Calculate pin location for 1bit mask */
pin_1bit_mask = (u32)(1 << (NUM_OF_PINS - (pin+1)));
/* Setup the open drain */
tmp_val = in_be32(&par_io->ioport[port].podr);
if (open_drain) {
out_be32(&par_io->ioport[port].podr, pin_1bit_mask | tmp_val);
} else {
out_be32(&par_io->ioport[port].podr, ~pin_1bit_mask & tmp_val);
}
/* Setup the assignment */
tmp_val = (pin > (NUM_OF_PINS/2) - 1) ?
in_be32(&par_io->ioport[port].ppar2):
in_be32(&par_io->ioport[port].ppar1);
pin_2bit_assign = (u32)(assign
<< (NUM_OF_PINS - (pin%(NUM_OF_PINS/2)+1)*2));
/* Clear and set 2 bits mask */
if (pin > (NUM_OF_PINS/2) - 1) {
out_be32(&par_io->ioport[port].ppar2, ~pin_2bit_mask & tmp_val);
out_be32(&par_io->ioport[port].ppar2, pin_2bit_assign | tmp_val);
} else {
out_be32(&par_io->ioport[port].ppar1, ~pin_2bit_mask & tmp_val);
out_be32(&par_io->ioport[port].ppar1, pin_2bit_assign | tmp_val);
}
}
#endif /* CONFIG_QE */

43
drivers/qe/Makefile
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@ -0,0 +1,43 @@
#
# Copyright (C) 2006 Freescale Semiconductor, Inc.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# 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 program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
include $(TOPDIR)/config.mk
LIB := $(obj)qe.a
COBJS := qe.o uccf.o uec.o uec_phy.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
all: $(LIB)
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

254
drivers/qe/qe.c
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@ -0,0 +1,254 @@
/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "common.h"
#include "asm/errno.h"
#include "asm/io.h"
#include "asm/immap_qe.h"
#include "qe.h"
#if defined(CONFIG_QE)
qe_map_t *qe_immr = NULL;
static qe_snum_t snums[QE_NUM_OF_SNUM];
void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data)
{
u32 cecr;
if (cmd == QE_RESET) {
out_be32(&qe_immr->cp.cecr,(u32) (cmd | QE_CR_FLG));
} else {
out_be32(&qe_immr->cp.cecdr, cmd_data);
out_be32(&qe_immr->cp.cecr, (sbc | QE_CR_FLG |
((u32) mcn<<QE_CR_PROTOCOL_SHIFT) | cmd));
}
/* Wait for the QE_CR_FLG to clear */
do {
cecr = in_be32(&qe_immr->cp.cecr);
} while (cecr & QE_CR_FLG);
return;
}
uint qe_muram_alloc(uint size, uint align)
{
DECLARE_GLOBAL_DATA_PTR;
uint retloc;
uint align_mask, off;
uint savebase;
align_mask = align - 1;
savebase = gd->mp_alloc_base;
if ((off = (gd->mp_alloc_base & align_mask)) != 0)
gd->mp_alloc_base += (align - off);
if ((off = size & align_mask) != 0)
size += (align - off);
if ((gd->mp_alloc_base + size) >= gd->mp_alloc_top) {
gd->mp_alloc_base = savebase;
printf("%s: ran out of ram.\n", __FUNCTION__);
}
retloc = gd->mp_alloc_base;
gd->mp_alloc_base += size;
memset((void *)&qe_immr->muram[retloc], 0, size);
__asm__ __volatile__("sync");
return retloc;
}
void *qe_muram_addr(uint offset)
{
return (void *)&qe_immr->muram[offset];
}
static void qe_sdma_init(void)
{
volatile sdma_t *p;
uint sdma_buffer_base;
p = (volatile sdma_t *)&qe_immr->sdma;
/* All of DMA transaction in bus 1 */
out_be32(&p->sdaqr, 0);
out_be32(&p->sdaqmr, 0);
/* Allocate 2KB temporary buffer for sdma */
sdma_buffer_base = qe_muram_alloc(2048, 64);
out_be32(&p->sdwbcr, sdma_buffer_base & QE_SDEBCR_BA_MASK);
/* Clear sdma status */
out_be32(&p->sdsr, 0x03000000);
/* Enable global mode on bus 1, and 2KB buffer size */
out_be32(&p->sdmr, QE_SDMR_GLB_1_MSK | (0x3 << QE_SDMR_CEN_SHIFT));
}
static u8 thread_snum[QE_NUM_OF_SNUM] = {
0x04, 0x05, 0x0c, 0x0d,
0x14, 0x15, 0x1c, 0x1d,
0x24, 0x25, 0x2c, 0x2d,
0x34, 0x35, 0x88, 0x89,
0x98, 0x99, 0xa8, 0xa9,
0xb8, 0xb9, 0xc8, 0xc9,
0xd8, 0xd9, 0xe8, 0xe9
};
static void qe_snums_init(void)
{
int i;
for (i = 0; i < QE_NUM_OF_SNUM; i++) {
snums[i].state = QE_SNUM_STATE_FREE;
snums[i].num = thread_snum[i];
}
}
int qe_get_snum(void)
{
int snum = -EBUSY;
int i;
for (i = 0; i < QE_NUM_OF_SNUM; i++) {
if (snums[i].state == QE_SNUM_STATE_FREE) {
snums[i].state = QE_SNUM_STATE_USED;
snum = snums[i].num;
break;
}
}
return snum;
}
void qe_put_snum(u8 snum)
{
int i;
for (i = 0; i < QE_NUM_OF_SNUM; i++) {
if (snums[i].num == snum) {
snums[i].state = QE_SNUM_STATE_FREE;
break;
}
}
}
void qe_init(uint qe_base)
{
DECLARE_GLOBAL_DATA_PTR;
/* Init the QE IMMR base */
qe_immr = (qe_map_t *)qe_base;
gd->mp_alloc_base = QE_DATAONLY_BASE;
gd->mp_alloc_top = gd->mp_alloc_base + QE_DATAONLY_SIZE;
qe_sdma_init();
qe_snums_init();
}
void qe_reset(void)
{
qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID,
(u8) QE_CR_PROTOCOL_UNSPECIFIED, 0);
}
void qe_assign_page(uint snum, uint para_ram_base)
{
u32 cecr;
out_be32(&qe_immr->cp.cecdr, para_ram_base);
out_be32(&qe_immr->cp.cecr, ((u32) snum<<QE_CR_ASSIGN_PAGE_SNUM_SHIFT)
| QE_CR_FLG | QE_ASSIGN_PAGE);
/* Wait for the QE_CR_FLG to clear */
do {
cecr = in_be32(&qe_immr->cp.cecr);
} while (cecr & QE_CR_FLG );
return;
}
/*
* brg: 0~15 as BRG1~BRG16
rate: baud rate
* BRG input clock comes from the BRGCLK (internal clock generated from
the QE clock, it is one-half of the QE clock), If need the clock source
from CLKn pin, we have te change the function.
*/
#define BRG_CLK (gd->brg_clk)
int qe_set_brg(uint brg, uint rate)
{
DECLARE_GLOBAL_DATA_PTR;
volatile uint *bp;
u32 divisor;
int div16 = 0;
if (brg >= QE_NUM_OF_BRGS)
return -EINVAL;
bp = (uint *)&qe_immr->brg.brgc1;
bp += brg;
divisor = (BRG_CLK / rate);
if (divisor > QE_BRGC_DIVISOR_MAX + 1) {
div16 = 1;
divisor /= 16;
}
*bp = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE;
__asm__ __volatile__("sync");
if (div16) {
*bp |= QE_BRGC_DIV16;
__asm__ __volatile__("sync");
}
return 0;
}
/* Set ethernet MII clock master
*/
int qe_set_mii_clk_src(int ucc_num)
{
u32 cmxgcr;
/* check if the UCC number is in range. */
if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) {
printf("%s: ucc num not in ranges\n", __FUNCTION__);
return -EINVAL;
}
cmxgcr = in_be32(&qe_immr->qmx.cmxgcr);
cmxgcr &= ~QE_CMXGCR_MII_ENET_MNG_MASK;
cmxgcr |= (ucc_num <<QE_CMXGCR_MII_ENET_MNG_SHIFT);
out_be32(&qe_immr->qmx.cmxgcr, cmxgcr);
return 0;
}
#endif /* CONFIG_QE */

237
drivers/qe/qe.h
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@ -0,0 +1,237 @@
/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __QE_H__
#define __QE_H__
#include "common.h"
#define QE_NUM_OF_SNUM 28
#define QE_NUM_OF_BRGS 16
#define UCC_MAX_NUM 8
#define QE_DATAONLY_BASE (uint)(128)
#define QE_DATAONLY_SIZE ((uint)(0xc000) - QE_DATAONLY_BASE)
/* QE threads SNUM
*/
typedef enum qe_snum_state {
QE_SNUM_STATE_USED, /* used */
QE_SNUM_STATE_FREE /* free */
} qe_snum_state_e;
typedef struct qe_snum {
u8 num; /* snum */
qe_snum_state_e state; /* state */
} qe_snum_t;
/* QE RISC allocation
*/
typedef enum qe_risc_allocation {
QE_RISC_ALLOCATION_RISC1 = 1, /* RISC 1 */
QE_RISC_ALLOCATION_RISC2 = 2, /* RISC 2 */
QE_RISC_ALLOCATION_RISC1_AND_RISC2 = 3 /* RISC 1 or RISC 2 */
} qe_risc_allocation_e;
/* QE CECR commands for UCC fast.
*/
#define QE_CR_FLG 0x00010000
#define QE_RESET 0x80000000
#define QE_INIT_TX_RX 0x00000000
#define QE_INIT_RX 0x00000001
#define QE_INIT_TX 0x00000002
#define QE_ENTER_HUNT_MODE 0x00000003
#define QE_STOP_TX 0x00000004
#define QE_GRACEFUL_STOP_TX 0x00000005
#define QE_RESTART_TX 0x00000006
#define QE_SWITCH_COMMAND 0x00000007
#define QE_SET_GROUP_ADDRESS 0x00000008
#define QE_INSERT_CELL 0x00000009
#define QE_ATM_TRANSMIT 0x0000000a
#define QE_CELL_POOL_GET 0x0000000b
#define QE_CELL_POOL_PUT 0x0000000c
#define QE_IMA_HOST_CMD 0x0000000d
#define QE_ATM_MULTI_THREAD_INIT 0x00000011
#define QE_ASSIGN_PAGE 0x00000012
#define QE_START_FLOW_CONTROL 0x00000014
#define QE_STOP_FLOW_CONTROL 0x00000015
#define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
#define QE_GRACEFUL_STOP_RX 0x0000001a
#define QE_RESTART_RX 0x0000001b
/* QE CECR Sub Block Code - sub block code of QE command.
*/
#define QE_CR_SUBBLOCK_INVALID 0x00000000
#define QE_CR_SUBBLOCK_USB 0x03200000
#define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
#define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
#define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
#define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
#define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
#define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
#define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
#define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
#define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
#define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
#define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
#define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
#define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
#define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
#define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
#define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
#define QE_CR_SUBBLOCK_MCC1 0x03800000
#define QE_CR_SUBBLOCK_MCC2 0x03a00000
#define QE_CR_SUBBLOCK_MCC3 0x03000000
#define QE_CR_SUBBLOCK_IDMA1 0x02800000
#define QE_CR_SUBBLOCK_IDMA2 0x02a00000
#define QE_CR_SUBBLOCK_IDMA3 0x02c00000
#define QE_CR_SUBBLOCK_IDMA4 0x02e00000
#define QE_CR_SUBBLOCK_HPAC 0x01e00000
#define QE_CR_SUBBLOCK_SPI1 0x01400000
#define QE_CR_SUBBLOCK_SPI2 0x01600000
#define QE_CR_SUBBLOCK_RAND 0x01c00000
#define QE_CR_SUBBLOCK_TIMER 0x01e00000
#define QE_CR_SUBBLOCK_GENERAL 0x03c00000
/* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command.
*/
#define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
#define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
#define QE_CR_PROTOCOL_ATM_POS 0x0A
#define QE_CR_PROTOCOL_ETHERNET 0x0C
#define QE_CR_PROTOCOL_L2_SWITCH 0x0D
#define QE_CR_PROTOCOL_SHIFT 6
/* QE ASSIGN PAGE command
*/
#define QE_CR_ASSIGN_PAGE_SNUM_SHIFT 17
/* Communication Direction.
*/
typedef enum comm_dir {
COMM_DIR_NONE = 0,
COMM_DIR_RX = 1,
COMM_DIR_TX = 2,
COMM_DIR_RX_AND_TX = 3
} comm_dir_e;
/* Clocks and BRG's
*/
typedef enum qe_clock {
QE_CLK_NONE = 0,
QE_BRG1, /* Baud Rate Generator 1 */
QE_BRG2, /* Baud Rate Generator 2 */
QE_BRG3, /* Baud Rate Generator 3 */
QE_BRG4, /* Baud Rate Generator 4 */
QE_BRG5, /* Baud Rate Generator 5 */
QE_BRG6, /* Baud Rate Generator 6 */
QE_BRG7, /* Baud Rate Generator 7 */
QE_BRG8, /* Baud Rate Generator 8 */
QE_BRG9, /* Baud Rate Generator 9 */
QE_BRG10, /* Baud Rate Generator 10 */
QE_BRG11, /* Baud Rate Generator 11 */
QE_BRG12, /* Baud Rate Generator 12 */
QE_BRG13, /* Baud Rate Generator 13 */
QE_BRG14, /* Baud Rate Generator 14 */
QE_BRG15, /* Baud Rate Generator 15 */
QE_BRG16, /* Baud Rate Generator 16 */
QE_CLK1, /* Clock 1 */
QE_CLK2, /* Clock 2 */
QE_CLK3, /* Clock 3 */
QE_CLK4, /* Clock 4 */
QE_CLK5, /* Clock 5 */
QE_CLK6, /* Clock 6 */
QE_CLK7, /* Clock 7 */
QE_CLK8, /* Clock 8 */
QE_CLK9, /* Clock 9 */
QE_CLK10, /* Clock 10 */
QE_CLK11, /* Clock 11 */
QE_CLK12, /* Clock 12 */
QE_CLK13, /* Clock 13 */
QE_CLK14, /* Clock 14 */
QE_CLK15, /* Clock 15 */
QE_CLK16, /* Clock 16 */
QE_CLK17, /* Clock 17 */
QE_CLK18, /* Clock 18 */
QE_CLK19, /* Clock 19 */
QE_CLK20, /* Clock 20 */
QE_CLK21, /* Clock 21 */
QE_CLK22, /* Clock 22 */
QE_CLK23, /* Clock 23 */
QE_CLK24, /* Clock 24 */
QE_CLK_DUMMY
} qe_clock_e;
/* QE CMXGCR register
*/
#define QE_CMXGCR_MII_ENET_MNG_MASK 0x00007000
#define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
/* QE CMXUCR registers
*/
#define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
/* QE BRG configuration register
*/
#define QE_BRGC_ENABLE 0x00010000
#define QE_BRGC_DIVISOR_SHIFT 1
#define QE_BRGC_DIVISOR_MAX 0xFFF
#define QE_BRGC_DIV16 1
/* QE SDMA registers
*/
#define QE_SDSR_BER1 0x02000000
#define QE_SDSR_BER2 0x01000000
#define QE_SDMR_GLB_1_MSK 0x80000000
#define QE_SDMR_ADR_SEL 0x20000000
#define QE_SDMR_BER1_MSK 0x02000000
#define QE_SDMR_BER2_MSK 0x01000000
#define QE_SDMR_EB1_MSK 0x00800000
#define QE_SDMR_ER1_MSK 0x00080000
#define QE_SDMR_ER2_MSK 0x00040000
#define QE_SDMR_CEN_MASK 0x0000E000
#define QE_SDMR_SBER_1 0x00000200
#define QE_SDMR_SBER_2 0x00000200
#define QE_SDMR_EB1_PR_MASK 0x000000C0
#define QE_SDMR_ER1_PR 0x00000008
#define QE_SDMR_CEN_SHIFT 13
#define QE_SDMR_EB1_PR_SHIFT 6
#define QE_SDTM_MSNUM_SHIFT 24
#define QE_SDEBCR_BA_MASK 0x01FFFFFF
void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign);
void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data);
uint qe_muram_alloc(uint size, uint align);
void *qe_muram_addr(uint offset);
int qe_get_snum(void);
void qe_put_snum(u8 snum);
void qe_init(uint qe_base);
void qe_reset(void);
void qe_assign_page(uint snum, uint para_ram_base);
int qe_set_brg(uint brg, uint rate);
int qe_set_mii_clk_src(int ucc_num);
#endif /* __QE_H__ */

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/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "common.h"
#include "malloc.h"
#include "asm/errno.h"
#include "asm/io.h"
#include "asm/immap_qe.h"
#include "qe.h"
#include "uccf.h"
#if defined(CONFIG_QE)
void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf)
{
out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD);
}
u32 ucc_fast_get_qe_cr_subblock(int ucc_num)
{
switch (ucc_num) {
case 0: return QE_CR_SUBBLOCK_UCCFAST1;
case 1: return QE_CR_SUBBLOCK_UCCFAST2;
case 2: return QE_CR_SUBBLOCK_UCCFAST3;
case 3: return QE_CR_SUBBLOCK_UCCFAST4;
case 4: return QE_CR_SUBBLOCK_UCCFAST5;
case 5: return QE_CR_SUBBLOCK_UCCFAST6;
case 6: return QE_CR_SUBBLOCK_UCCFAST7;
case 7: return QE_CR_SUBBLOCK_UCCFAST8;
default: return QE_CR_SUBBLOCK_INVALID;
}
}
static void ucc_get_cmxucr_reg(int ucc_num, volatile u32 **p_cmxucr,
u8 *reg_num, u8 *shift)
{
switch (ucc_num) {
case 0: /* UCC1 */
*p_cmxucr = &(qe_immr->qmx.cmxucr1);
*reg_num = 1;
*shift = 16;
break;
case 2: /* UCC3 */
*p_cmxucr = &(qe_immr->qmx.cmxucr1);
*reg_num = 1;
*shift = 0;
break;
case 4: /* UCC5 */
*p_cmxucr = &(qe_immr->qmx.cmxucr2);
*reg_num = 2;
*shift = 16;
break;
case 6: /* UCC7 */
*p_cmxucr = &(qe_immr->qmx.cmxucr2);
*reg_num = 2;
*shift = 0;
break;
case 1: /* UCC2 */
*p_cmxucr = &(qe_immr->qmx.cmxucr3);
*reg_num = 3;
*shift = 16;
break;
case 3: /* UCC4 */
*p_cmxucr = &(qe_immr->qmx.cmxucr3);
*reg_num = 3;
*shift = 0;
break;
case 5: /* UCC6 */
*p_cmxucr = &(qe_immr->qmx.cmxucr4);
*reg_num = 4;
*shift = 16;
break;
case 7: /* UCC8 */
*p_cmxucr = &(qe_immr->qmx.cmxucr4);
*reg_num = 4;
*shift = 0;
break;
default:
break;
}
}
static int ucc_set_clk_src(int ucc_num, qe_clock_e clock, comm_dir_e mode)
{
volatile u32 *p_cmxucr;
u8 reg_num;
u8 shift;
u32 clockBits;
u32 clockMask;
int source = -1;
/* check if the UCC number is in range. */
if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0))
return -EINVAL;
if (! ((mode == COMM_DIR_RX) || (mode == COMM_DIR_TX))) {
printf("%s: bad comm mode type passed\n", __FUNCTION__);
return -EINVAL;
}
ucc_get_cmxucr_reg(ucc_num, &p_cmxucr, &reg_num, &shift);
switch (reg_num) {
case 1:
switch (clock) {
case QE_BRG1: source = 1; break;
case QE_BRG2: source = 2; break;
case QE_BRG7: source = 3; break;
case QE_BRG8: source = 4; break;
case QE_CLK9: source = 5; break;
case QE_CLK10: source = 6; break;
case QE_CLK11: source = 7; break;
case QE_CLK12: source = 8; break;
case QE_CLK15: source = 9; break;
case QE_CLK16: source = 10; break;
default: source = -1; break;
}
break;
case 2:
switch (clock) {
case QE_BRG5: source = 1; break;
case QE_BRG6: source = 2; break;
case QE_BRG7: source = 3; break;
case QE_BRG8: source = 4; break;
case QE_CLK13: source = 5; break;
case QE_CLK14: source = 6; break;
case QE_CLK19: source = 7; break;
case QE_CLK20: source = 8; break;
case QE_CLK15: source = 9; break;
case QE_CLK16: source = 10; break;
default: source = -1; break;
}
break;
case 3:
switch (clock) {
case QE_BRG9: source = 1; break;
case QE_BRG10: source = 2; break;
case QE_BRG15: source = 3; break;
case QE_BRG16: source = 4; break;
case QE_CLK3: source = 5; break;
case QE_CLK4: source = 6; break;
case QE_CLK17: source = 7; break;
case QE_CLK18: source = 8; break;
case QE_CLK7: source = 9; break;
case QE_CLK8: source = 10; break;
case QE_CLK16: source = 11; break;
default: source = -1; break;
}
break;
case 4:
switch (clock) {
case QE_BRG13: source = 1; break;
case QE_BRG14: source = 2; break;
case QE_BRG15: source = 3; break;
case QE_BRG16: source = 4; break;
case QE_CLK5: source = 5; break;
case QE_CLK6: source = 6; break;
case QE_CLK21: source = 7; break;
case QE_CLK22: source = 8; break;
case QE_CLK7: source = 9; break;
case QE_CLK8: source = 10; break;
case QE_CLK16: source = 11; break;
default: source = -1; break;
}
break;
default:
source = -1;
break;
}
if (source == -1) {
printf("%s: Bad combination of clock and UCC\n", __FUNCTION__);
return -ENOENT;
}
clockBits = (u32) source;
clockMask = QE_CMXUCR_TX_CLK_SRC_MASK;
if (mode == COMM_DIR_RX) {
clockBits <<= 4; /* Rx field is 4 bits to left of Tx field */
clockMask <<= 4; /* Rx field is 4 bits to left of Tx field */
}
clockBits <<= shift;
clockMask <<= shift;
out_be32(p_cmxucr, (in_be32(p_cmxucr) & ~clockMask) | clockBits);
return 0;
}
static uint ucc_get_reg_baseaddr(int ucc_num)
{
uint base = 0;
/* check if the UCC number is in range */
if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) {
printf("%s: the UCC num not in ranges\n", __FUNCTION__);
return 0;
}
switch (ucc_num) {
case 0: base = 0x00002000; break;
case 1: base = 0x00003000; break;
case 2: base = 0x00002200; break;
case 3: base = 0x00003200; break;
case 4: base = 0x00002400; break;
case 5: base = 0x00003400; break;
case 6: base = 0x00002600; break;
case 7: base = 0x00003600; break;
default: break;
}
base = (uint)qe_immr + base;
return base;
}
void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode)
{
ucc_fast_t *uf_regs;
u32 gumr;
uf_regs = uccf->uf_regs;
/* Enable reception and/or transmission on this UCC. */
gumr = in_be32(&uf_regs->gumr);
if (mode & COMM_DIR_TX) {
gumr |= UCC_FAST_GUMR_ENT;
uccf->enabled_tx = 1;
}
if (mode & COMM_DIR_RX) {
gumr |= UCC_FAST_GUMR_ENR;
uccf->enabled_rx = 1;
}
out_be32(&uf_regs->gumr, gumr);
}
void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode)
{
ucc_fast_t *uf_regs;
u32 gumr;
uf_regs = uccf->uf_regs;
/* Disable reception and/or transmission on this UCC. */
gumr = in_be32(&uf_regs->gumr);
if (mode & COMM_DIR_TX) {
gumr &= ~UCC_FAST_GUMR_ENT;
uccf->enabled_tx = 0;
}
if (mode & COMM_DIR_RX) {
gumr &= ~UCC_FAST_GUMR_ENR;
uccf->enabled_rx = 0;
}
out_be32(&uf_regs->gumr, gumr);
}
int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret)
{
ucc_fast_private_t *uccf;
ucc_fast_t *uf_regs;
if (!uf_info)
return -EINVAL;
if ((uf_info->ucc_num < 0) || (uf_info->ucc_num > UCC_MAX_NUM - 1)) {
printf("%s: Illagal UCC number!\n", __FUNCTION__);
return -EINVAL;
}
uccf = (ucc_fast_private_t *)malloc(sizeof(ucc_fast_private_t));
if (!uccf) {
printf("%s: No memory for UCC fast data structure!\n",
__FUNCTION__);
return -ENOMEM;
}
memset(uccf, 0, sizeof(ucc_fast_private_t));
/* Save fast UCC structure */
uccf->uf_info = uf_info;
uccf->uf_regs = (ucc_fast_t *)ucc_get_reg_baseaddr(uf_info->ucc_num);
if (uccf->uf_regs == NULL) {
printf("%s: No memory map for UCC fast controller!\n",
__FUNCTION__);
return -ENOMEM;
}
uccf->enabled_tx = 0;
uccf->enabled_rx = 0;
uf_regs = uccf->uf_regs;
uccf->p_ucce = (u32 *) &(uf_regs->ucce);
uccf->p_uccm = (u32 *) &(uf_regs->uccm);
/* Init GUEMR register, UCC both Rx and Tx is Fast protocol */
out_8(&uf_regs->guemr, UCC_GUEMR_SET_RESERVED3 | UCC_GUEMR_MODE_FAST_RX
| UCC_GUEMR_MODE_FAST_TX);
/* Set GUMR, disable UCC both Rx and Tx, Ethernet protocol */
out_be32(&uf_regs->gumr, UCC_FAST_GUMR_ETH);
/* Set the Giga ethernet VFIFO stuff */
if (uf_info->eth_type == GIGA_ETH) {
/* Allocate memory for Tx Virtual Fifo */
uccf->ucc_fast_tx_virtual_fifo_base_offset =
qe_muram_alloc(UCC_GETH_UTFS_GIGA_INIT,
UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
/* Allocate memory for Rx Virtual Fifo */
uccf->ucc_fast_rx_virtual_fifo_base_offset =
qe_muram_alloc(UCC_GETH_URFS_GIGA_INIT +
UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD,
UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
/* utfb, urfb are offsets from MURAM base */
out_be32(&uf_regs->utfb,
uccf->ucc_fast_tx_virtual_fifo_base_offset);
out_be32(&uf_regs->urfb,
uccf->ucc_fast_rx_virtual_fifo_base_offset);
/* Set Virtual Fifo registers */
out_be16(&uf_regs->urfs, UCC_GETH_URFS_GIGA_INIT);
out_be16(&uf_regs->urfet, UCC_GETH_URFET_GIGA_INIT);
out_be16(&uf_regs->urfset, UCC_GETH_URFSET_GIGA_INIT);
out_be16(&uf_regs->utfs, UCC_GETH_UTFS_GIGA_INIT);
out_be16(&uf_regs->utfet, UCC_GETH_UTFET_GIGA_INIT);
out_be16(&uf_regs->utftt, UCC_GETH_UTFTT_GIGA_INIT);
}
/* Set the Fast ethernet VFIFO stuff */
if (uf_info->eth_type == FAST_ETH) {
/* Allocate memory for Tx Virtual Fifo */
uccf->ucc_fast_tx_virtual_fifo_base_offset =
qe_muram_alloc(UCC_GETH_UTFS_INIT,
UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
/* Allocate memory for Rx Virtual Fifo */
uccf->ucc_fast_rx_virtual_fifo_base_offset =
qe_muram_alloc(UCC_GETH_URFS_INIT +
UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD,
UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
/* utfb, urfb are offsets from MURAM base */
out_be32(&uf_regs->utfb,
uccf->ucc_fast_tx_virtual_fifo_base_offset);
out_be32(&uf_regs->urfb,
uccf->ucc_fast_rx_virtual_fifo_base_offset);
/* Set Virtual Fifo registers */
out_be16(&uf_regs->urfs, UCC_GETH_URFS_INIT);
out_be16(&uf_regs->urfet, UCC_GETH_URFET_INIT);
out_be16(&uf_regs->urfset, UCC_GETH_URFSET_INIT);
out_be16(&uf_regs->utfs, UCC_GETH_UTFS_INIT);
out_be16(&uf_regs->utfet, UCC_GETH_UTFET_INIT);
out_be16(&uf_regs->utftt, UCC_GETH_UTFTT_INIT);
}
/* Rx clock routing */
if (uf_info->rx_clock != QE_CLK_NONE) {
if (ucc_set_clk_src(uf_info->ucc_num,
uf_info->rx_clock, COMM_DIR_RX)) {
printf("%s: Illegal value for parameter 'RxClock'.\n",
__FUNCTION__);
return -EINVAL;
}
}
/* Tx clock routing */
if (uf_info->tx_clock != QE_CLK_NONE) {
if (ucc_set_clk_src(uf_info->ucc_num,
uf_info->tx_clock, COMM_DIR_TX)) {
printf("%s: Illegal value for parameter 'TxClock'.\n",
__FUNCTION__);
return -EINVAL;
}
}
/* Clear interrupt mask register to disable all of interrupts */
out_be32(&uf_regs->uccm, 0x0);
/* Writing '1' to clear all of envents */
out_be32(&uf_regs->ucce, 0xffffffff);
*uccf_ret = uccf;
return 0;
}
#endif /* CONFIG_QE */

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

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drivers/qe/uec.c
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/*
* Copyright (C) 2006 Freescale Semiconductor, Inc.
*
* Dave Liu <daveliu@freescale.com>
* based on source code of Shlomi Gridish
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __UEC_H__
#define __UEC_H__
#define MAX_TX_THREADS 8
#define MAX_RX_THREADS 8
#define MAX_TX_QUEUES 8
#define MAX_RX_QUEUES 8
#define MAX_PREFETCHED_BDS 4
#define MAX_IPH_OFFSET_ENTRY 8
#define MAX_ENET_INIT_PARAM_ENTRIES_RX 9
#define MAX_ENET_INIT_PARAM_ENTRIES_TX 8
/* UEC UPSMR (Protocol Specific Mode Register)
*/
#define UPSMR_ECM 0x04000000 /* Enable CAM Miss */
#define UPSMR_HSE 0x02000000 /* Hardware Statistics Enable */
#define UPSMR_PRO 0x00400000 /* Promiscuous */
#define UPSMR_CAP 0x00200000 /* CAM polarity */
#define UPSMR_RSH 0x00100000 /* Receive Short Frames */
#define UPSMR_RPM 0x00080000 /* Reduced Pin Mode interfaces */
#define UPSMR_R10M 0x00040000 /* RGMII/RMII 10 Mode */
#define UPSMR_RLPB 0x00020000 /* RMII Loopback Mode */
#define UPSMR_TBIM 0x00010000 /* Ten-bit Interface Mode */
#define UPSMR_RMM 0x00001000 /* RMII/RGMII Mode */
#define UPSMR_CAM 0x00000400 /* CAM Address Matching */
#define UPSMR_BRO 0x00000200 /* Broadcast Address */
#define UPSMR_RES1 0x00002000 /* Reserved feild - must be 1 */
#define UPSMR_INIT_VALUE (UPSMR_HSE | UPSMR_RES1)
/* UEC MACCFG1 (MAC Configuration 1 Register)
*/
#define MACCFG1_FLOW_RX 0x00000020 /* Flow Control Rx */
#define MACCFG1_FLOW_TX 0x00000010 /* Flow Control Tx */
#define MACCFG1_ENABLE_SYNCHED_RX 0x00000008 /* Enable Rx Sync */
#define MACCFG1_ENABLE_RX 0x00000004 /* Enable Rx */
#define MACCFG1_ENABLE_SYNCHED_TX 0x00000002 /* Enable Tx Sync */
#define MACCFG1_ENABLE_TX 0x00000001 /* Enable Tx */
#define MACCFG1_INIT_VALUE (0)
/* UEC MACCFG2 (MAC Configuration 2 Register)
*/
#define MACCFG2_PREL 0x00007000
#define MACCFG2_PREL_SHIFT (31 - 19)
#define MACCFG2_PREL_MASK 0x0000f000
#define MACCFG2_SRP 0x00000080
#define MACCFG2_STP 0x00000040
#define MACCFG2_RESERVED_1 0x00000020 /* must be set */
#define MACCFG2_LC 0x00000010 /* Length Check */
#define MACCFG2_MPE 0x00000008
#define MACCFG2_FDX 0x00000001 /* Full Duplex */
#define MACCFG2_FDX_MASK 0x00000001
#define MACCFG2_PAD_CRC 0x00000004
#define MACCFG2_CRC_EN 0x00000002
#define MACCFG2_PAD_AND_CRC_MODE_NONE 0x00000000
#define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY 0x00000002
#define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC 0x00000004
#define MACCFG2_INTERFACE_MODE_NIBBLE 0x00000100
#define MACCFG2_INTERFACE_MODE_BYTE 0x00000200
#define MACCFG2_INTERFACE_MODE_MASK 0x00000300
#define MACCFG2_INIT_VALUE (MACCFG2_PREL | MACCFG2_RESERVED_1 | \
MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX)
/* UEC Event Register
*/
#define UCCE_MPD 0x80000000
#define UCCE_SCAR 0x40000000
#define UCCE_GRA 0x20000000
#define UCCE_CBPR 0x10000000
#define UCCE_BSY 0x08000000
#define UCCE_RXC 0x04000000
#define UCCE_TXC 0x02000000
#define UCCE_TXE 0x01000000
#define UCCE_TXB7 0x00800000
#define UCCE_TXB6 0x00400000
#define UCCE_TXB5 0x00200000
#define UCCE_TXB4 0x00100000
#define UCCE_TXB3 0x00080000
#define UCCE_TXB2 0x00040000
#define UCCE_TXB1 0x00020000
#define UCCE_TXB0 0x00010000
#define UCCE_RXB7 0x00008000
#define UCCE_RXB6 0x00004000
#define UCCE_RXB5 0x00002000
#define UCCE_RXB4 0x00001000
#define UCCE_RXB3 0x00000800
#define UCCE_RXB2 0x00000400
#define UCCE_RXB1 0x00000200
#define UCCE_RXB0 0x00000100
#define UCCE_RXF7 0x00000080
#define UCCE_RXF6 0x00000040
#define UCCE_RXF5 0x00000020
#define UCCE_RXF4 0x00000010
#define UCCE_RXF3 0x00000008
#define UCCE_RXF2 0x00000004
#define UCCE_RXF1 0x00000002
#define UCCE_RXF0 0x00000001
#define UCCE_TXB (UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \
UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0)
#define UCCE_RXB (UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \
UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0)
#define UCCE_RXF (UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \
UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0)
#define UCCE_OTHER (UCCE_SCAR | UCCE_GRA | UCCE_CBPR | UCCE_BSY | \
UCCE_RXC | UCCE_TXC | UCCE_TXE)
/* UEC TEMODR Register
*/
#define TEMODER_SCHEDULER_ENABLE 0x2000
#define TEMODER_IP_CHECKSUM_GENERATE 0x0400
#define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1 0x0200
#define TEMODER_RMON_STATISTICS 0x0100
#define TEMODER_NUM_OF_QUEUES_SHIFT (15-15)
#define TEMODER_INIT_VALUE 0xc000
/* UEC REMODR Register
*/
#define REMODER_RX_RMON_STATISTICS_ENABLE 0x00001000
#define REMODER_RX_EXTENDED_FEATURES 0x80000000
#define REMODER_VLAN_OPERATION_TAGGED_SHIFT (31-9 )
#define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31-10)
#define REMODER_RX_QOS_MODE_SHIFT (31-15)
#define REMODER_RMON_STATISTICS 0x00001000
#define REMODER_RX_EXTENDED_FILTERING 0x00000800
#define REMODER_NUM_OF_QUEUES_SHIFT (31-23)
#define REMODER_DYNAMIC_MAX_FRAME_LENGTH 0x00000008
#define REMODER_DYNAMIC_MIN_FRAME_LENGTH 0x00000004
#define REMODER_IP_CHECKSUM_CHECK 0x00000002
#define REMODER_IP_ADDRESS_ALIGNMENT 0x00000001
#define REMODER_INIT_VALUE 0
/* BMRx - Bus Mode Register */
#define BMR_GLB 0x20
#define BMR_BO_BE 0x10
#define BMR_DTB_SECONDARY_BUS 0x02
#define BMR_BDB_SECONDARY_BUS 0x01
#define BMR_SHIFT 24
#define BMR_INIT_VALUE (BMR_GLB | BMR_BO_BE)
/* UEC UCCS (Ethernet Status Register)
*/
#define UCCS_BPR 0x02
#define UCCS_PAU 0x02
#define UCCS_MPD 0x01
/* UEC MIIMCFG (MII Management Configuration Register)
*/
#define MIIMCFG_RESET_MANAGEMENT 0x80000000
#define MIIMCFG_NO_PREAMBLE 0x00000010
#define MIIMCFG_CLOCK_DIVIDE_SHIFT (31 - 31)
#define MIIMCFG_CLOCK_DIVIDE_MASK 0x0000000f
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4 0x00000001
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6 0x00000002
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8 0x00000003
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10 0x00000004
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14 0x00000005
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20 0x00000006
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28 0x00000007
#define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE \
MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10
/* UEC MIIMCOM (MII Management Command Register)
*/
#define MIIMCOM_SCAN_CYCLE 0x00000002 /* Scan cycle */
#define MIIMCOM_READ_CYCLE 0x00000001 /* Read cycle */
/* UEC MIIMADD (MII Management Address Register)
*/
#define MIIMADD_PHY_ADDRESS_SHIFT (31 - 23)
#define MIIMADD_PHY_REGISTER_SHIFT (31 - 31)
/* UEC MIIMCON (MII Management Control Register)
*/
#define MIIMCON_PHY_CONTROL_SHIFT (31 - 31)
#define MIIMCON_PHY_STATUS_SHIFT (31 - 31)
/* UEC MIIMIND (MII Management Indicator Register)
*/
#define MIIMIND_NOT_VALID 0x00000004
#define MIIMIND_SCAN 0x00000002
#define MIIMIND_BUSY 0x00000001
/* UEC UTBIPAR (Ten Bit Interface Physical Address Register)
*/
#define UTBIPAR_PHY_ADDRESS_SHIFT (31 - 31)
#define UTBIPAR_PHY_ADDRESS_MASK 0x0000001f
/* UEC UESCR (Ethernet Statistics Control Register)
*/
#define UESCR_AUTOZ 0x8000
#define UESCR_CLRCNT 0x4000
#define UESCR_MAXCOV_SHIFT (15 - 7)
#define UESCR_SCOV_SHIFT (15 - 15)
/****** Tx data struct collection ******/
/* Tx thread data, each Tx thread has one this struct.
*/
typedef struct uec_thread_data_tx {
u8 res0[136];
} __attribute__ ((packed)) uec_thread_data_tx_t;
/* Tx thread parameter, each Tx thread has one this struct.
*/
typedef struct uec_thread_tx_pram {
u8 res0[64];
} __attribute__ ((packed)) uec_thread_tx_pram_t;
/* Send queue queue-descriptor, each Tx queue has one this QD
*/
typedef struct uec_send_queue_qd {
u32 bd_ring_base; /* pointer to BD ring base address */
u8 res0[0x8];
u32 last_bd_completed_address; /* last entry in BD ring */
u8 res1[0x30];
} __attribute__ ((packed)) uec_send_queue_qd_t;
/* Send queue memory region */
typedef struct uec_send_queue_mem_region {
uec_send_queue_qd_t sqqd[MAX_TX_QUEUES];
} __attribute__ ((packed)) uec_send_queue_mem_region_t;
/* Scheduler struct
*/
typedef struct uec_scheduler {
u16 cpucount0; /* CPU packet counter */
u16 cpucount1; /* CPU packet counter */
u16 cecount0; /* QE packet counter */
u16 cecount1; /* QE packet counter */
u16 cpucount2; /* CPU packet counter */
u16 cpucount3; /* CPU packet counter */
u16 cecount2; /* QE packet counter */
u16 cecount3; /* QE packet counter */
u16 cpucount4; /* CPU packet counter */
u16 cpucount5; /* CPU packet counter */
u16 cecount4; /* QE packet counter */
u16 cecount5; /* QE packet counter */
u16 cpucount6; /* CPU packet counter */
u16 cpucount7; /* CPU packet counter */
u16 cecount6; /* QE packet counter */
u16 cecount7; /* QE packet counter */
u32 weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */
u32 rtsrshadow; /* temporary variable handled by QE */
u32 time; /* temporary variable handled by QE */
u32 ttl; /* temporary variable handled by QE */
u32 mblinterval; /* max burst length interval */
u16 nortsrbytetime; /* normalized value of byte time in tsr units */
u8 fracsiz;
u8 res0[1];
u8 strictpriorityq; /* Strict Priority Mask register */
u8 txasap; /* Transmit ASAP register */
u8 extrabw; /* Extra BandWidth register */
u8 oldwfqmask; /* temporary variable handled by QE */
u8 weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */
u32 minw; /* temporary variable handled by QE */
u8 res1[0x70-0x64];
} __attribute__ ((packed)) uec_scheduler_t;
/* Tx firmware counters
*/
typedef struct uec_tx_firmware_statistics_pram {
u32 sicoltx; /* single collision */
u32 mulcoltx; /* multiple collision */
u32 latecoltxfr; /* late collision */
u32 frabortduecol; /* frames aborted due to tx collision */
u32 frlostinmactxer; /* frames lost due to internal MAC error tx */
u32 carriersenseertx; /* carrier sense error */
u32 frtxok; /* frames transmitted OK */
u32 txfrexcessivedefer;
u32 txpkts256; /* total packets(including bad) 256~511 B */
u32 txpkts512; /* total packets(including bad) 512~1023B */
u32 txpkts1024; /* total packets(including bad) 1024~1518B */
u32 txpktsjumbo; /* total packets(including bad) >1024 */
} __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t;
/* Tx global parameter table
*/
typedef struct uec_tx_global_pram {
u16 temoder;
u8 res0[0x38-0x02];
u32 sqptr;
u32 schedulerbasepointer;
u32 txrmonbaseptr;
u32 tstate;
u8 iphoffset[MAX_IPH_OFFSET_ENTRY];
u32 vtagtable[0x8];
u32 tqptr;
u8 res2[0x80-0x74];
} __attribute__ ((packed)) uec_tx_global_pram_t;
/****** Rx data struct collection ******/
/* Rx thread data, each Rx thread has one this struct.
*/
typedef struct uec_thread_data_rx {
u8 res0[40];
} __attribute__ ((packed)) uec_thread_data_rx_t;
/* Rx thread parameter, each Rx thread has one this struct.
*/
typedef struct uec_thread_rx_pram {
u8 res0[128];
} __attribute__ ((packed)) uec_thread_rx_pram_t;
/* Rx firmware counters
*/
typedef struct uec_rx_firmware_statistics_pram {
u32 frrxfcser; /* frames with crc error */
u32 fraligner; /* frames with alignment error */
u32 inrangelenrxer; /* in range length error */
u32 outrangelenrxer; /* out of range length error */
u32 frtoolong; /* frame too long */
u32 runt; /* runt */
u32 verylongevent; /* very long event */
u32 symbolerror; /* symbol error */
u32 dropbsy; /* drop because of BD not ready */
u8 res0[0x8];
u32 mismatchdrop; /* drop because of MAC filtering */
u32 underpkts; /* total frames less than 64 octets */
u32 pkts256; /* total frames(including bad)256~511 B */
u32 pkts512; /* total frames(including bad)512~1023 B */
u32 pkts1024; /* total frames(including bad)1024~1518 B */
u32 pktsjumbo; /* total frames(including bad) >1024 B */
u32 frlossinmacer;
u32 pausefr; /* pause frames */
u8 res1[0x4];
u32 removevlan;
u32 replacevlan;
u32 insertvlan;
} __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t;
/* Rx interrupt coalescing entry, each Rx queue has one this entry.
*/
typedef struct uec_rx_interrupt_coalescing_entry {
u32 maxvalue;
u32 counter;
} __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t;
typedef struct uec_rx_interrupt_coalescing_table {
uec_rx_interrupt_coalescing_entry_t entry[MAX_RX_QUEUES];
} __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t;
/* RxBD queue entry, each Rx queue has one this entry.
*/
typedef struct uec_rx_bd_queues_entry {
u32 bdbaseptr; /* BD base pointer */
u32 bdptr; /* BD pointer */
u32 externalbdbaseptr; /* external BD base pointer */
u32 externalbdptr; /* external BD pointer */
} __attribute__ ((packed)) uec_rx_bd_queues_entry_t;
/* Rx global paramter table
*/
typedef struct uec_rx_global_pram {
u32 remoder; /* ethernet mode reg. */
u32 rqptr; /* base pointer to the Rx Queues */
u32 res0[0x1];
u8 res1[0x20-0xC];
u16 typeorlen;
u8 res2[0x1];
u8 rxgstpack; /* ack on GRACEFUL STOP RX command */
u32 rxrmonbaseptr; /* Rx RMON statistics base */
u8 res3[0x30-0x28];
u32 intcoalescingptr; /* Interrupt coalescing table pointer */
u8 res4[0x36-0x34];
u8 rstate;
u8 res5[0x46-0x37];
u16 mrblr; /* max receive buffer length reg. */
u32 rbdqptr; /* RxBD parameter table description */
u16 mflr; /* max frame length reg. */
u16 minflr; /* min frame length reg. */
u16 maxd1; /* max dma1 length reg. */
u16 maxd2; /* max dma2 length reg. */
u32 ecamptr; /* external CAM address */
u32 l2qt; /* VLAN priority mapping table. */
u32 l3qt[0x8]; /* IP priority mapping table. */
u16 vlantype; /* vlan type */
u16 vlantci; /* default vlan tci */
u8 addressfiltering[64];/* address filtering data structure */
u32 exfGlobalParam; /* extended filtering global parameters */
u8 res6[0x100-0xC4]; /* Initialize to zero */
} __attribute__ ((packed)) uec_rx_global_pram_t;
#define GRACEFUL_STOP_ACKNOWLEDGE_RX 0x01
/****** UEC common ******/
/* UCC statistics - hardware counters
*/
typedef struct uec_hardware_statistics {
u32 tx64;
u32 tx127;
u32 tx255;
u32 rx64;
u32 rx127;
u32 rx255;
u32 txok;
u16 txcf;
u32 tmca;
u32 tbca;
u32 rxfok;
u32 rxbok;
u32 rbyt;
u32 rmca;
u32 rbca;
} __attribute__ ((packed)) uec_hardware_statistics_t;
/* InitEnet command parameter
*/
typedef struct uec_init_cmd_pram {
u8 resinit0;
u8 resinit1;
u8 resinit2;
u8 resinit3;
u16 resinit4;
u8 res1[0x1];
u8 largestexternallookupkeysize;
u32 rgftgfrxglobal;
u32 rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */
u8 res2[0x38 - 0x30];
u32 txglobal; /* tx global */
u32 txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */
u8 res3[0x1];
} __attribute__ ((packed)) uec_init_cmd_pram_t;
#define ENET_INIT_PARAM_RGF_SHIFT (32 - 4)
#define ENET_INIT_PARAM_TGF_SHIFT (32 - 8)
#define ENET_INIT_PARAM_RISC_MASK 0x0000003f
#define ENET_INIT_PARAM_PTR_MASK 0x00ffffc0
#define ENET_INIT_PARAM_SNUM_MASK 0xff000000
#define ENET_INIT_PARAM_SNUM_SHIFT 24
#define ENET_INIT_PARAM_MAGIC_RES_INIT0 0x06
#define ENET_INIT_PARAM_MAGIC_RES_INIT1 0x30
#define ENET_INIT_PARAM_MAGIC_RES_INIT2 0xff
#define ENET_INIT_PARAM_MAGIC_RES_INIT3 0x00
#define ENET_INIT_PARAM_MAGIC_RES_INIT4 0x0400
/* structure representing 82xx Address Filtering Enet Address in PRAM
*/
typedef struct uec_82xx_enet_address {
u8 res1[0x2];
u16 h; /* address (MSB) */
u16 m; /* address */
u16 l; /* address (LSB) */
} __attribute__ ((packed)) uec_82xx_enet_address_t;
/* structure representing 82xx Address Filtering PRAM
*/
typedef struct uec_82xx_address_filtering_pram {
u32 iaddr_h; /* individual address filter, high */
u32 iaddr_l; /* individual address filter, low */
u32 gaddr_h; /* group address filter, high */
u32 gaddr_l; /* group address filter, low */
uec_82xx_enet_address_t taddr;
uec_82xx_enet_address_t paddr[4];
u8 res0[0x40-0x38];
} __attribute__ ((packed)) uec_82xx_address_filtering_pram_t;
/* Buffer Descriptor
*/
typedef struct buffer_descriptor {
u16 status;
u16 len;
u32 data;
} __attribute__ ((packed)) qe_bd_t, *p_bd_t;
#define SIZEOFBD sizeof(qe_bd_t)
/* Common BD flags
*/
#define BD_WRAP 0x2000
#define BD_INT 0x1000
#define BD_LAST 0x0800
#define BD_CLEAN 0x3000
/* TxBD status flags
*/
#define TxBD_READY 0x8000
#define TxBD_PADCRC 0x4000
#define TxBD_WRAP BD_WRAP
#define TxBD_INT BD_INT
#define TxBD_LAST BD_LAST
#define TxBD_TXCRC 0x0400
#define TxBD_DEF 0x0200
#define TxBD_PP 0x0100
#define TxBD_LC 0x0080
#define TxBD_RL 0x0040
#define TxBD_RC 0x003C
#define TxBD_UNDERRUN 0x0002
#define TxBD_TRUNC 0x0001
#define TxBD_ERROR (TxBD_UNDERRUN | TxBD_TRUNC)
/* RxBD status flags
*/
#define RxBD_EMPTY 0x8000
#define RxBD_OWNER 0x4000
#define RxBD_WRAP BD_WRAP
#define RxBD_INT BD_INT
#define RxBD_LAST BD_LAST
#define RxBD_FIRST 0x0400
#define RxBD_CMR 0x0200
#define RxBD_MISS 0x0100
#define RxBD_BCAST 0x0080
#define RxBD_MCAST 0x0040
#define RxBD_LG 0x0020
#define RxBD_NO 0x0010
#define RxBD_SHORT 0x0008
#define RxBD_CRCERR 0x0004
#define RxBD_OVERRUN 0x0002
#define RxBD_IPCH 0x0001
#define RxBD_ERROR (RxBD_LG | RxBD_NO | RxBD_SHORT | \
RxBD_CRCERR | RxBD_OVERRUN)
/* BD access macros
*/
#define BD_STATUS(_bd) (((p_bd_t)(_bd))->status)
#define BD_STATUS_SET(_bd, _val) (((p_bd_t)(_bd))->status = _val)
#define BD_LENGTH(_bd) (((p_bd_t)(_bd))->len)
#define BD_LENGTH_SET(_bd, _val) (((p_bd_t)(_bd))->len = _val)
#define BD_DATA_CLEAR(_bd) (((p_bd_t)(_bd))->data = 0)
#define BD_IS_DATA(_bd) (((p_bd_t)(_bd))->data)
#define BD_DATA(_bd) ((u8 *)(((p_bd_t)(_bd))->data))
#define BD_DATA_SET(_bd, _data) (((p_bd_t)(_bd))->data = (u32)(_data))
#define BD_ADVANCE(_bd,_status,_base) \
(((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd))
/* Rx Prefetched BDs
*/
typedef struct uec_rx_prefetched_bds {
qe_bd_t bd[MAX_PREFETCHED_BDS]; /* prefetched bd */
} __attribute__ ((packed)) uec_rx_prefetched_bds_t;
/* Alignments
*/
#define UEC_RX_GLOBAL_PRAM_ALIGNMENT 64
#define UEC_TX_GLOBAL_PRAM_ALIGNMENT 64
#define UEC_THREAD_RX_PRAM_ALIGNMENT 128
#define UEC_THREAD_TX_PRAM_ALIGNMENT 64
#define UEC_THREAD_DATA_ALIGNMENT 256
#define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT 32
#define UEC_SCHEDULER_ALIGNMENT 4
#define UEC_TX_STATISTICS_ALIGNMENT 4
#define UEC_RX_STATISTICS_ALIGNMENT 4
#define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT 4
#define UEC_RX_BD_QUEUES_ALIGNMENT 8
#define UEC_RX_PREFETCHED_BDS_ALIGNMENT 128
#define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4
#define UEC_RX_BD_RING_ALIGNMENT 32
#define UEC_TX_BD_RING_ALIGNMENT 32
#define UEC_MRBLR_ALIGNMENT 128
#define UEC_RX_BD_RING_SIZE_ALIGNMENT 4
#define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT 32
#define UEC_RX_DATA_BUF_ALIGNMENT 64
#define UEC_VLAN_PRIORITY_MAX 8
#define UEC_IP_PRIORITY_MAX 64
#define UEC_TX_VTAG_TABLE_ENTRY_MAX 8
#define UEC_RX_BD_RING_SIZE_MIN 8
#define UEC_TX_BD_RING_SIZE_MIN 2
/* Ethernet speed
*/
typedef enum enet_speed {
ENET_SPEED_10BT, /* 10 Base T */
ENET_SPEED_100BT, /* 100 Base T */
ENET_SPEED_1000BT /* 1000 Base T */
} enet_speed_e;
/* Ethernet Address Type.
*/
typedef enum enet_addr_type {
ENET_ADDR_TYPE_INDIVIDUAL,
ENET_ADDR_TYPE_GROUP,
ENET_ADDR_TYPE_BROADCAST
} enet_addr_type_e;
/* TBI / MII Set Register
*/
typedef enum enet_tbi_mii_reg {
ENET_TBI_MII_CR = 0x00,
ENET_TBI_MII_SR = 0x01,
ENET_TBI_MII_ANA = 0x04,
ENET_TBI_MII_ANLPBPA = 0x05,
ENET_TBI_MII_ANEX = 0x06,
ENET_TBI_MII_ANNPT = 0x07,
ENET_TBI_MII_ANLPANP = 0x08,
ENET_TBI_MII_EXST = 0x0F,
ENET_TBI_MII_JD = 0x10,
ENET_TBI_MII_TBICON = 0x11
} enet_tbi_mii_reg_e;
/* UEC number of threads
*/
typedef enum uec_num_of_threads {
UEC_NUM_OF_THREADS_1 = 0x1, /* 1 */
UEC_NUM_OF_THREADS_2 = 0x2, /* 2 */
UEC_NUM_OF_THREADS_4 = 0x0, /* 4 */
UEC_NUM_OF_THREADS_6 = 0x3, /* 6 */
UEC_NUM_OF_THREADS_8 = 0x4 /* 8 */
} uec_num_of_threads_e;
/* UEC ethernet interface type
*/
typedef enum enet_interface {
ENET_10_MII,
ENET_10_RMII,
ENET_10_RGMII,
ENET_100_MII,
ENET_100_RMII,
ENET_100_RGMII,
ENET_1000_GMII,
ENET_1000_RGMII,
ENET_1000_TBI,
ENET_1000_RTBI
} enet_interface_e;
/* UEC initialization info struct
*/
typedef struct uec_info {
ucc_fast_info_t uf_info;
uec_num_of_threads_e num_threads_tx;
uec_num_of_threads_e num_threads_rx;
qe_risc_allocation_e riscTx;
qe_risc_allocation_e riscRx;
u16 rx_bd_ring_len;
u16 tx_bd_ring_len;
u8 phy_address;
enet_interface_e enet_interface;
} uec_info_t;
/* UEC driver initialized info
*/
#define MAX_RXBUF_LEN 1536
#define MAX_FRAME_LEN 1518
#define MIN_FRAME_LEN 64
#define MAX_DMA1_LEN 1520
#define MAX_DMA2_LEN 1520
/* UEC driver private struct
*/
typedef struct uec_private {
uec_info_t *uec_info;
ucc_fast_private_t *uccf;
struct eth_device *dev;
uec_t *uec_regs;
/* enet init command parameter */
uec_init_cmd_pram_t *p_init_enet_param;
u32 init_enet_param_offset;
/* Rx and Tx paramter */
uec_rx_global_pram_t *p_rx_glbl_pram;
u32 rx_glbl_pram_offset;
uec_tx_global_pram_t *p_tx_glbl_pram;
u32 tx_glbl_pram_offset;
uec_send_queue_mem_region_t *p_send_q_mem_reg;
u32 send_q_mem_reg_offset;
uec_thread_data_tx_t *p_thread_data_tx;
u32 thread_dat_tx_offset;
uec_thread_data_rx_t *p_thread_data_rx;
u32 thread_dat_rx_offset;
uec_rx_bd_queues_entry_t *p_rx_bd_qs_tbl;
u32 rx_bd_qs_tbl_offset;
/* BDs specific */
u8 *p_tx_bd_ring;
u32 tx_bd_ring_offset;
u8 *p_rx_bd_ring;
u32 rx_bd_ring_offset;
u8 *p_rx_buf;
u32 rx_buf_offset;
volatile qe_bd_t *txBd;
volatile qe_bd_t *rxBd;
/* Status */
int mac_tx_enabled;
int mac_rx_enabled;
int grace_stopped_tx;
int grace_stopped_rx;
int the_first_run;
/* PHY specific */
struct uec_mii_info *mii_info;
int oldspeed;
int oldduplex;
int oldlink;
} uec_private_t;
#endif /* __UEC_H__ */

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drivers/qe/uec_phy.c
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/*
* Copyright (C) 2005 Freescale Semiconductor, Inc.
*
* Author: Shlomi Gridish
*
* Description: UCC GETH Driver -- PHY handling
* Driver for UEC on QE
* Based on 8260_io/fcc_enet.c
*
* 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.
*
*/
#include "common.h"
#include "net.h"
#include "malloc.h"
#include "asm/errno.h"
#include "asm/immap_qe.h"
#include "asm/io.h"
#include "qe.h"
#include "uccf.h"
#include "uec.h"
#include "uec_phy.h"
#include "miiphy.h"
#if defined(CONFIG_QE)
#define UEC_VERBOSE_DEBUG
#define ugphy_printk(format, arg...) \
printf(format "\n", ## arg)
#define ugphy_dbg(format, arg...) \
ugphy_printk(format , ## arg)
#define ugphy_err(format, arg...) \
ugphy_printk(format , ## arg)
#define ugphy_info(format, arg...) \
ugphy_printk(format , ## arg)
#define ugphy_warn(format, arg...) \
ugphy_printk(format , ## arg)
#ifdef UEC_VERBOSE_DEBUG
#define ugphy_vdbg ugphy_dbg
#else
#define ugphy_vdbg(ugeth, fmt, args...) do { } while (0)
#endif /* UEC_VERBOSE_DEBUG */
static void config_genmii_advert(struct uec_mii_info *mii_info);
static void genmii_setup_forced(struct uec_mii_info *mii_info);
static void genmii_restart_aneg(struct uec_mii_info *mii_info);
static int gbit_config_aneg(struct uec_mii_info *mii_info);
static int genmii_config_aneg(struct uec_mii_info *mii_info);
static int genmii_update_link(struct uec_mii_info *mii_info);
static int genmii_read_status(struct uec_mii_info *mii_info);
u16 phy_read(struct uec_mii_info *mii_info, u16 regnum);
void phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val);
/* Write value to the PHY for this device to the register at regnum, */
/* waiting until the write is done before it returns. All PHY */
/* configuration has to be done through the TSEC1 MIIM regs */
void write_phy_reg(struct eth_device *dev, int mii_id, int regnum, int value)
{
uec_private_t *ugeth = (uec_private_t *)dev->priv;
uec_t *ug_regs;
enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e)regnum;
u32 tmp_reg;
ug_regs = ugeth->uec_regs;
/* Stop the MII management read cycle */
out_be32(&ug_regs->miimcom, 0);
/* Setting up the MII Mangement Address Register */
tmp_reg = ((u32)mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg;
out_be32(&ug_regs->miimadd, tmp_reg);
/* Setting up the MII Mangement Control Register with the value */
out_be32(&ug_regs->miimcon, (u32)value);
/* Wait till MII management write is complete */
while((in_be32(&ug_regs->miimind)) & MIIMIND_BUSY);
udelay(100000);
}
/* Reads from register regnum in the PHY for device dev, */
/* returning the value. Clears miimcom first. All PHY */
/* configuration has to be done through the TSEC1 MIIM regs */
int read_phy_reg(struct eth_device *dev, int mii_id, int regnum)
{
uec_private_t *ugeth = (uec_private_t *)dev->priv;
uec_t *ug_regs;
enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e)regnum;
u32 tmp_reg;
u16 value;
ug_regs = ugeth->uec_regs;
/* Setting up the MII Mangement Address Register */
tmp_reg = ((u32)mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg ;
out_be32(&ug_regs->miimadd, tmp_reg);
/* Perform an MII management read cycle */
out_be32(&ug_regs->miimcom, 0);
out_be32(&ug_regs->miimcom, MIIMCOM_READ_CYCLE);
/* Wait till MII management write is complete */
while((in_be32(&ug_regs->miimind)) & (MIIMIND_NOT_VALID | MIIMIND_BUSY));
udelay(100000);
/* Read MII management status */
value = (u16)in_be32(&ug_regs->miimstat);
if(value == 0xffff)
ugphy_warn("read wrong value : mii_id %d,mii_reg %d, base %08x",
mii_id, mii_reg, (u32) &(ug_regs->miimcfg));
return (value);
}
void mii_clear_phy_interrupt(struct uec_mii_info *mii_info)
{
if(mii_info->phyinfo->ack_interrupt)
mii_info->phyinfo->ack_interrupt(mii_info);
}
void mii_configure_phy_interrupt(struct uec_mii_info *mii_info, u32 interrupts)
{
mii_info->interrupts = interrupts;
if(mii_info->phyinfo->config_intr)
mii_info->phyinfo->config_intr(mii_info);
}
/* Writes MII_ADVERTISE with the appropriate values, after
* sanitizing advertise to make sure only supported features
* are advertised
*/
static void config_genmii_advert(struct uec_mii_info *mii_info)
{
u32 advertise;
u16 adv;
/* Only allow advertising what this PHY supports */
mii_info->advertising &= mii_info->phyinfo->features;
advertise = mii_info->advertising;
/* Setup standard advertisement */
adv = phy_read(mii_info, PHY_ANAR);
adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
if (advertise & ADVERTISED_10baseT_Half)
adv |= ADVERTISE_10HALF;
if (advertise & ADVERTISED_10baseT_Full)
adv |= ADVERTISE_10FULL;
if (advertise & ADVERTISED_100baseT_Half)
adv |= ADVERTISE_100HALF;
if (advertise & ADVERTISED_100baseT_Full)
adv |= ADVERTISE_100FULL;
phy_write(mii_info, PHY_ANAR, adv);
}
static void genmii_setup_forced(struct uec_mii_info *mii_info)
{
u16 ctrl;
u32 features = mii_info->phyinfo->features;
ctrl = phy_read(mii_info, PHY_BMCR);
ctrl &= ~(PHY_BMCR_DPLX|PHY_BMCR_100_MBPS|
PHY_BMCR_1000_MBPS|PHY_BMCR_AUTON);
ctrl |= PHY_BMCR_RESET;
switch(mii_info->speed) {
case SPEED_1000:
if(features & (SUPPORTED_1000baseT_Half
| SUPPORTED_1000baseT_Full)) {
ctrl |= PHY_BMCR_1000_MBPS;
break;
}
mii_info->speed = SPEED_100;
case SPEED_100:
if (features & (SUPPORTED_100baseT_Half
| SUPPORTED_100baseT_Full)) {
ctrl |= PHY_BMCR_100_MBPS;
break;
}
mii_info->speed = SPEED_10;
case SPEED_10:
if (features & (SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full))
break;
default: /* Unsupported speed! */
ugphy_err("%s: Bad speed!", mii_info->dev->name);
break;
}
phy_write(mii_info, PHY_BMCR, ctrl);
}
/* Enable and Restart Autonegotiation */
static void genmii_restart_aneg(struct uec_mii_info *mii_info)
{
u16 ctl;
ctl = phy_read(mii_info, PHY_BMCR);
ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
phy_write(mii_info, PHY_BMCR, ctl);
}
static int gbit_config_aneg(struct uec_mii_info *mii_info)
{
u16 adv;
u32 advertise;
if(mii_info->autoneg) {
/* Configure the ADVERTISE register */
config_genmii_advert(mii_info);
advertise = mii_info->advertising;
adv = phy_read(mii_info, MII_1000BASETCONTROL);
adv &= ~(MII_1000BASETCONTROL_FULLDUPLEXCAP |
MII_1000BASETCONTROL_HALFDUPLEXCAP);
if (advertise & SUPPORTED_1000baseT_Half)
adv |= MII_1000BASETCONTROL_HALFDUPLEXCAP;
if (advertise & SUPPORTED_1000baseT_Full)
adv |= MII_1000BASETCONTROL_FULLDUPLEXCAP;
phy_write(mii_info, MII_1000BASETCONTROL, adv);
/* Start/Restart aneg */
genmii_restart_aneg(mii_info);
} else
genmii_setup_forced(mii_info);
return 0;
}
static int marvell_config_aneg(struct uec_mii_info *mii_info)
{
/* The Marvell PHY has an errata which requires
* that certain registers get written in order
* to restart autonegotiation */
phy_write(mii_info, PHY_BMCR, PHY_BMCR_RESET);
phy_write(mii_info, 0x1d, 0x1f);
phy_write(mii_info, 0x1e, 0x200c);
phy_write(mii_info, 0x1d, 0x5);
phy_write(mii_info, 0x1e, 0);
phy_write(mii_info, 0x1e, 0x100);
gbit_config_aneg(mii_info);
return 0;
}
static int genmii_config_aneg(struct uec_mii_info *mii_info)
{
if (mii_info->autoneg) {
config_genmii_advert(mii_info);
genmii_restart_aneg(mii_info);
} else
genmii_setup_forced(mii_info);
return 0;
}
static int genmii_update_link(struct uec_mii_info *mii_info)
{
u16 status;
/* Do a fake read */
phy_read(mii_info, PHY_BMSR);
/* Read link and autonegotiation status */
status = phy_read(mii_info, PHY_BMSR);
if ((status & PHY_BMSR_LS) == 0)
mii_info->link = 0;
else
mii_info->link = 1;
/* If we are autonegotiating, and not done,
* return an error */
if (mii_info->autoneg && !(status & PHY_BMSR_AUTN_COMP))
return -EAGAIN;
return 0;
}
static int genmii_read_status(struct uec_mii_info *mii_info)
{
u16 status;
int err;
/* Update the link, but return if there
* was an error */
err = genmii_update_link(mii_info);
if (err)
return err;
if (mii_info->autoneg) {
status = phy_read(mii_info, PHY_ANLPAR);
if (status & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD))
mii_info->duplex = DUPLEX_FULL;
else
mii_info->duplex = DUPLEX_HALF;
if (status & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX))
mii_info->speed = SPEED_100;
else
mii_info->speed = SPEED_10;
mii_info->pause = 0;
}
/* On non-aneg, we assume what we put in BMCR is the speed,
* though magic-aneg shouldn't prevent this case from occurring
*/
return 0;
}
static int marvell_read_status(struct uec_mii_info *mii_info)
{
u16 status;
int err;
/* Update the link, but return if there
* was an error */
err = genmii_update_link(mii_info);
if (err)
return err;
/* If the link is up, read the speed and duplex */
/* If we aren't autonegotiating, assume speeds
* are as set */
if (mii_info->autoneg && mii_info->link) {
int speed;
status = phy_read(mii_info, MII_M1011_PHY_SPEC_STATUS);
/* Get the duplexity */
if (status & MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX)
mii_info->duplex = DUPLEX_FULL;
else
mii_info->duplex = DUPLEX_HALF;
/* Get the speed */
speed = status & MII_M1011_PHY_SPEC_STATUS_SPD_MASK;
switch(speed) {
case MII_M1011_PHY_SPEC_STATUS_1000:
mii_info->speed = SPEED_1000;
break;
case MII_M1011_PHY_SPEC_STATUS_100:
mii_info->speed = SPEED_100;
break;
default:
mii_info->speed = SPEED_10;
break;
}
mii_info->pause = 0;
}
return 0;
}
static int marvell_ack_interrupt(struct uec_mii_info *mii_info)
{
/* Clear the interrupts by reading the reg */
phy_read(mii_info, MII_M1011_IEVENT);
return 0;
}
static int marvell_config_intr(struct uec_mii_info *mii_info)
{
if(mii_info->interrupts == MII_INTERRUPT_ENABLED)
phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
else
phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR);
return 0;
}
static int dm9161_init(struct uec_mii_info *mii_info)
{
/* Reset the PHY */
phy_write(mii_info, PHY_BMCR, phy_read(mii_info, PHY_BMCR) |
PHY_BMCR_RESET);
/* PHY and MAC connect*/
phy_write(mii_info, PHY_BMCR, phy_read(mii_info, PHY_BMCR) &
~PHY_BMCR_ISO);
#ifdef CONFIG_RMII_MODE
phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_RMII_INIT);
#else
phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT);
#endif
config_genmii_advert(mii_info);
/* Start/restart aneg */
genmii_config_aneg(mii_info);
/* Delay to wait the aneg compeleted */
udelay(3000000);
return 0;
}
static int dm9161_config_aneg(struct uec_mii_info *mii_info)
{
return 0;
}
static int dm9161_read_status(struct uec_mii_info *mii_info)
{
u16 status;
int err;
/* Update the link, but return if there was an error*/
err = genmii_update_link(mii_info);
if (err)
return err;
/* If the link is up, read the speed and duplex
If we aren't autonegotiating assume speeds are as set */
if (mii_info->autoneg && mii_info->link) {
status = phy_read(mii_info, MII_DM9161_SCSR);
if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_100H))
mii_info->speed = SPEED_100;
else
mii_info->speed = SPEED_10;
if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_10F))
mii_info->duplex = DUPLEX_FULL;
else
mii_info->duplex = DUPLEX_HALF;
}
return 0;
}
static int dm9161_ack_interrupt(struct uec_mii_info *mii_info)
{
/* Clear the interrupt by reading the reg */
phy_read(mii_info, MII_DM9161_INTR);
return 0;
}
static int dm9161_config_intr(struct uec_mii_info *mii_info)
{
if (mii_info->interrupts == MII_INTERRUPT_ENABLED)
phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_INIT);
else
phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_STOP);
return 0;
}
static void dm9161_close(struct uec_mii_info *mii_info)
{
}
static struct phy_info phy_info_dm9161 = {
.phy_id = 0x0181b880,
.phy_id_mask = 0x0ffffff0,
.name = "Davicom DM9161E",
.init = dm9161_init,
.config_aneg = dm9161_config_aneg,
.read_status = dm9161_read_status,
.close = dm9161_close,
};
static struct phy_info phy_info_dm9161a = {
.phy_id = 0x0181b8a0,
.phy_id_mask = 0x0ffffff0,
.name = "Davicom DM9161A",
.features = MII_BASIC_FEATURES,
.init = dm9161_init,
.config_aneg = dm9161_config_aneg,
.read_status = dm9161_read_status,
.ack_interrupt = dm9161_ack_interrupt,
.config_intr = dm9161_config_intr,
.close = dm9161_close,
};
static struct phy_info phy_info_marvell = {
.phy_id = 0x01410c00,
.phy_id_mask = 0xffffff00,
.name = "Marvell 88E11x1",
.features = MII_GBIT_FEATURES,
.config_aneg = &marvell_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
};
static struct phy_info phy_info_genmii= {
.phy_id = 0x00000000,
.phy_id_mask = 0x00000000,
.name = "Generic MII",
.features = MII_BASIC_FEATURES,
.config_aneg = genmii_config_aneg,
.read_status = genmii_read_status,
};
static struct phy_info *phy_info[] = {
&phy_info_dm9161,
&phy_info_dm9161a,
&phy_info_marvell,
&phy_info_genmii,
NULL
};
u16 phy_read(struct uec_mii_info *mii_info, u16 regnum)
{
return mii_info->mdio_read(mii_info->dev, mii_info->mii_id, regnum);
}
void phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val)
{
mii_info->mdio_write(mii_info->dev,
mii_info->mii_id,
regnum, val);
}
/* Use the PHY ID registers to determine what type of PHY is attached
* to device dev. return a struct phy_info structure describing that PHY
*/
struct phy_info * get_phy_info(struct uec_mii_info *mii_info)
{
u16 phy_reg;
u32 phy_ID;
int i;
struct phy_info *theInfo = NULL;
/* Grab the bits from PHYIR1, and put them in the upper half */
phy_reg = phy_read(mii_info, PHY_PHYIDR1);
phy_ID = (phy_reg & 0xffff) << 16;
/* Grab the bits from PHYIR2, and put them in the lower half */
phy_reg = phy_read(mii_info, PHY_PHYIDR2);
phy_ID |= (phy_reg & 0xffff);
/* loop through all the known PHY types, and find one that */
/* matches the ID we read from the PHY. */
for (i = 0; phy_info[i]; i++)
if (phy_info[i]->phy_id ==
(phy_ID & phy_info[i]->phy_id_mask)) {
theInfo = phy_info[i];
break;
}
/* This shouldn't happen, as we have generic PHY support */
if (theInfo == NULL) {
ugphy_info("UEC: PHY id %x is not supported!", phy_ID);
return NULL;
} else {
ugphy_info("UEC: PHY is %s (%x)", theInfo->name, phy_ID);
}
return theInfo;
}
void marvell_phy_interface_mode(struct eth_device *dev, enet_interface_e mode)
{
uec_private_t *uec = (uec_private_t *)dev->priv;
struct uec_mii_info *mii_info;
if (!uec->mii_info) {
printf("%s: the PHY not intialized\n", __FUNCTION__);
return;
}
mii_info = uec->mii_info;
if (mode == ENET_100_RGMII) {
phy_write(mii_info, 0x00, 0x9140);
phy_write(mii_info, 0x1d, 0x001f);
phy_write(mii_info, 0x1e, 0x200c);
phy_write(mii_info, 0x1d, 0x0005);
phy_write(mii_info, 0x1e, 0x0000);
phy_write(mii_info, 0x1e, 0x0100);
phy_write(mii_info, 0x09, 0x0e00);
phy_write(mii_info, 0x04, 0x01e1);
phy_write(mii_info, 0x00, 0x9140);
phy_write(mii_info, 0x00, 0x1000);
udelay(100000);
phy_write(mii_info, 0x00, 0x2900);
phy_write(mii_info, 0x14, 0x0cd2);
phy_write(mii_info, 0x00, 0xa100);
phy_write(mii_info, 0x09, 0x0000);
phy_write(mii_info, 0x1b, 0x800b);
phy_write(mii_info, 0x04, 0x05e1);
phy_write(mii_info, 0x00, 0xa100);
phy_write(mii_info, 0x00, 0x2100);
udelay(1000000);
} else if (mode == ENET_10_RGMII) {
phy_write(mii_info, 0x14, 0x8e40);
phy_write(mii_info, 0x1b, 0x800b);
phy_write(mii_info, 0x14, 0x0c82);
phy_write(mii_info, 0x00, 0x8100);
udelay(1000000);
}
}
void change_phy_interface_mode(struct eth_device *dev, enet_interface_e mode)
{
#ifdef CONFIG_PHY_MODE_NEED_CHANGE
marvell_phy_interface_mode(dev, mode);
#endif
}
#endif /* CONFIG_QE */

256
drivers/qe/uec_phy.h
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@ -0,0 +1,256 @@
/*
* Copyright (C) 2005 Freescale Semiconductor, Inc.
*
* Author: Shlomi Gridish <gridish@freescale.com>
*
* Description: UCC ethernet driver -- PHY handling
* Driver for UEC on QE
* Based on 8260_io/fcc_enet.c
*
* 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.
*
*/
#ifndef __UEC_PHY_H__
#define __UEC_PHY_H__
#define MII_end ((u32)-2)
#define MII_read ((u32)-1)
#define MIIMIND_BUSY 0x00000001
#define MIIMIND_NOTVALID 0x00000004
#define UGETH_AN_TIMEOUT 2000
/* 1000BT control (Marvell & BCM54xx at least) */
#define MII_1000BASETCONTROL 0x09
#define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200
#define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100
/* Cicada Extended Control Register 1 */
#define MII_CIS8201_EXT_CON1 0x17
#define MII_CIS8201_EXTCON1_INIT 0x0000
/* Cicada Interrupt Mask Register */
#define MII_CIS8201_IMASK 0x19
#define MII_CIS8201_IMASK_IEN 0x8000
#define MII_CIS8201_IMASK_SPEED 0x4000
#define MII_CIS8201_IMASK_LINK 0x2000
#define MII_CIS8201_IMASK_DUPLEX 0x1000
#define MII_CIS8201_IMASK_MASK 0xf000
/* Cicada Interrupt Status Register */
#define MII_CIS8201_ISTAT 0x1a
#define MII_CIS8201_ISTAT_STATUS 0x8000
#define MII_CIS8201_ISTAT_SPEED 0x4000
#define MII_CIS8201_ISTAT_LINK 0x2000
#define MII_CIS8201_ISTAT_DUPLEX 0x1000
/* Cicada Auxiliary Control/Status Register */
#define MII_CIS8201_AUX_CONSTAT 0x1c
#define MII_CIS8201_AUXCONSTAT_INIT 0x0004
#define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020
#define MII_CIS8201_AUXCONSTAT_SPEED 0x0018
#define MII_CIS8201_AUXCONSTAT_GBIT 0x0010
#define MII_CIS8201_AUXCONSTAT_100 0x0008
/* 88E1011 PHY Status Register */
#define MII_M1011_PHY_SPEC_STATUS 0x11
#define MII_M1011_PHY_SPEC_STATUS_1000 0x8000
#define MII_M1011_PHY_SPEC_STATUS_100 0x4000
#define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000
#define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000
#define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800
#define MII_M1011_PHY_SPEC_STATUS_LINK 0x0400
#define MII_M1011_IEVENT 0x13
#define MII_M1011_IEVENT_CLEAR 0x0000
#define MII_M1011_IMASK 0x12
#define MII_M1011_IMASK_INIT 0x6400
#define MII_M1011_IMASK_CLEAR 0x0000
#define MII_DM9161_SCR 0x10
#define MII_DM9161_SCR_INIT 0x0610
#define MII_DM9161_SCR_RMII_INIT 0x0710
/* DM9161 Specified Configuration and Status Register */
#define MII_DM9161_SCSR 0x11
#define MII_DM9161_SCSR_100F 0x8000
#define MII_DM9161_SCSR_100H 0x4000
#define MII_DM9161_SCSR_10F 0x2000
#define MII_DM9161_SCSR_10H 0x1000
/* DM9161 Interrupt Register */
#define MII_DM9161_INTR 0x15
#define MII_DM9161_INTR_PEND 0x8000
#define MII_DM9161_INTR_DPLX_MASK 0x0800
#define MII_DM9161_INTR_SPD_MASK 0x0400
#define MII_DM9161_INTR_LINK_MASK 0x0200
#define MII_DM9161_INTR_MASK 0x0100
#define MII_DM9161_INTR_DPLX_CHANGE 0x0010
#define MII_DM9161_INTR_SPD_CHANGE 0x0008
#define MII_DM9161_INTR_LINK_CHANGE 0x0004
#define MII_DM9161_INTR_INIT 0x0000
#define MII_DM9161_INTR_STOP \
(MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \
| MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK)
/* DM9161 10BT Configuration/Status */
#define MII_DM9161_10BTCSR 0x12
#define MII_DM9161_10BTCSR_INIT 0x7800
#define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
SUPPORTED_10baseT_Full | \
SUPPORTED_100baseT_Half | \
SUPPORTED_100baseT_Full | \
SUPPORTED_Autoneg | \
SUPPORTED_TP | \
SUPPORTED_MII)
#define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \
SUPPORTED_1000baseT_Half | \
SUPPORTED_1000baseT_Full)
#define MII_READ_COMMAND 0x00000001
#define MII_INTERRUPT_DISABLED 0x0
#define MII_INTERRUPT_ENABLED 0x1
#define SPEED_10 10
#define SPEED_100 100
#define SPEED_1000 1000
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
/* Indicates what features are supported by the interface. */
#define SUPPORTED_10baseT_Half (1 << 0)
#define SUPPORTED_10baseT_Full (1 << 1)
#define SUPPORTED_100baseT_Half (1 << 2)
#define SUPPORTED_100baseT_Full (1 << 3)
#define SUPPORTED_1000baseT_Half (1 << 4)
#define SUPPORTED_1000baseT_Full (1 << 5)
#define SUPPORTED_Autoneg (1 << 6)
#define SUPPORTED_TP (1 << 7)
#define SUPPORTED_AUI (1 << 8)
#define SUPPORTED_MII (1 << 9)
#define SUPPORTED_FIBRE (1 << 10)
#define SUPPORTED_BNC (1 << 11)
#define SUPPORTED_10000baseT_Full (1 << 12)
#define ADVERTISED_10baseT_Half (1 << 0)
#define ADVERTISED_10baseT_Full (1 << 1)
#define ADVERTISED_100baseT_Half (1 << 2)
#define ADVERTISED_100baseT_Full (1 << 3)
#define ADVERTISED_1000baseT_Half (1 << 4)
#define ADVERTISED_1000baseT_Full (1 << 5)
#define ADVERTISED_Autoneg (1 << 6)
#define ADVERTISED_TP (1 << 7)
#define ADVERTISED_AUI (1 << 8)
#define ADVERTISED_MII (1 << 9)
#define ADVERTISED_FIBRE (1 << 10)
#define ADVERTISED_BNC (1 << 11)
#define ADVERTISED_10000baseT_Full (1 << 12)
/* Advertisement control register. */
#define ADVERTISE_SLCT 0x001f /* Selector bits */
#define ADVERTISE_CSMA 0x0001 /* Only selector supported */
#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
#define ADVERTISE_RESV 0x1c00 /* Unused... */
#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
#define ADVERTISE_NPAGE 0x8000 /* Next page bit */
#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
ADVERTISE_CSMA)
#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
ADVERTISE_100HALF | ADVERTISE_100FULL)
/* Taken from mii_if_info and sungem_phy.h */
struct uec_mii_info {
/* Information about the PHY type */
/* And management functions */
struct phy_info *phyinfo;
struct eth_device *dev;
/* forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
int speed;
int duplex;
int pause;
/* The most recently read link state */
int link;
/* Enabled Interrupts */
u32 interrupts;
u32 advertising;
int autoneg;
int mii_id;
/* private data pointer */
/* For use by PHYs to maintain extra state */
void *priv;
/* Provided by ethernet driver */
int (*mdio_read) (struct eth_device *dev, int mii_id, int reg);
void (*mdio_write) (struct eth_device *dev, int mii_id, int reg, int val);
};
/* struct phy_info: a structure which defines attributes for a PHY
*
* id will contain a number which represents the PHY. During
* startup, the driver will poll the PHY to find out what its
* UID--as defined by registers 2 and 3--is. The 32-bit result
* gotten from the PHY will be ANDed with phy_id_mask to
* discard any bits which may change based on revision numbers
* unimportant to functionality
*
* There are 6 commands which take a ugeth_mii_info structure.
* Each PHY must declare config_aneg, and read_status.
*/
struct phy_info {
u32 phy_id;
char *name;
unsigned int phy_id_mask;
u32 features;
/* Called to initialize the PHY */
int (*init)(struct uec_mii_info *mii_info);
/* Called to suspend the PHY for power */
int (*suspend)(struct uec_mii_info *mii_info);
/* Reconfigures autonegotiation (or disables it) */
int (*config_aneg)(struct uec_mii_info *mii_info);
/* Determines the negotiated speed and duplex */
int (*read_status)(struct uec_mii_info *mii_info);
/* Clears any pending interrupts */
int (*ack_interrupt)(struct uec_mii_info *mii_info);
/* Enables or disables interrupts */
int (*config_intr)(struct uec_mii_info *mii_info);
/* Clears up any memory if needed */
void (*close)(struct uec_mii_info *mii_info);
};
struct phy_info *get_phy_info(struct uec_mii_info *mii_info);
void write_phy_reg(struct eth_device *dev, int mii_id, int regnum, int value);
int read_phy_reg(struct eth_device *dev, int mii_id, int regnum);
void mii_clear_phy_interrupt(struct uec_mii_info *mii_info);
void mii_configure_phy_interrupt(struct uec_mii_info *mii_info, u32 interrupts);
#endif /* __UEC_PHY_H__ */

2
include/asm-ppc/global_data.h
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@ -69,6 +69,8 @@ typedef struct global_data {
#if defined(CONFIG_QE)
u32 qe_clk;
u32 brg_clk;
uint mp_alloc_base;
uint mp_alloc_top;
#endif /* CONFIG_QE */
#if defined (CONFIG_MPC8360)
u32 ddr_sec_clk;

29
include/configs/MPC8360EMDS.h
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@ -364,6 +364,35 @@
#endif
/*
* QE UEC ethernet configuration
*/
#define CONFIG_UEC_ETH
#define CONFIG_ETHPRIME "Freescale GETH"
#define CONFIG_PHY_MODE_NEED_CHANGE
#define CONFIG_UEC_ETH1 /* GETH1 */
#ifdef CONFIG_UEC_ETH1
#define CFG_UEC1_UCC_NUM 0 /* UCC1 */
#define CFG_UEC1_RX_CLK QE_CLK_NONE
#define CFG_UEC1_TX_CLK QE_CLK9
#define CFG_UEC1_ETH_TYPE GIGA_ETH
#define CFG_UEC1_PHY_ADDR 0
#define CFG_UEC1_INTERFACE_MODE ENET_1000_GMII
#endif
#define CONFIG_UEC_ETH2 /* GETH2 */
#ifdef CONFIG_UEC_ETH2
#define CFG_UEC2_UCC_NUM 1 /* UCC2 */
#define CFG_UEC2_RX_CLK QE_CLK_NONE
#define CFG_UEC2_TX_CLK QE_CLK4
#define CFG_UEC2_ETH_TYPE GIGA_ETH
#define CFG_UEC2_PHY_ADDR 1
#define CFG_UEC2_INTERFACE_MODE ENET_1000_GMII
#endif
/*
* Environment
*/

11
include/ioports.h
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@ -53,3 +53,14 @@ typedef struct {
* like the table in the 8260UM (and in the hymod manuals).
*/
extern const iop_conf_t iop_conf_tab[4][32];
typedef struct {
unsigned char port;
unsigned char pin;
int dir;
int open_drain;
int assign;
} qe_iop_conf_t;
#define QE_IOP_TAB_END (-1)

7
net/eth.c
Unescape View File

@ -54,6 +54,7 @@ extern int scc_initialize(bd_t*);
extern int skge_initialize(bd_t*);
extern int tsec_initialize(bd_t*, int, char *);
extern int npe_initialize(bd_t *);
extern int uec_initialize(int);
static struct eth_device *eth_devices, *eth_current;
@ -196,6 +197,12 @@ int eth_initialize(bd_t *bis)
tsec_initialize(bis, 3, CONFIG_MPC83XX_TSEC4_NAME);
# endif
#endif
#if defined(CONFIG_UEC_ETH1)
uec_initialize(0);
#endif
#if defined(CONFIG_UEC_ETH2)
uec_initialize(1);
#endif
#if defined(CONFIG_MPC86XX_TSEC1)
tsec_initialize(bis, 0, CONFIG_MPC86XX_TSEC1_NAME);
#endif

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