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author | Wolfgang Denk <wd@denx.de> | 2011-10-04 20:08:13 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2011-10-04 20:08:13 (GMT) |
commit | 1fed668b3fb9c35932f58af00ff5539239fa4e1d (patch) | |
tree | eaaaead8ca19924af1823caae040f504be9b6d98 /drivers/net/fm/dtsec.c | |
parent | c52575350fd6e794717f6bee4f81dbb8038fe22e (diff) | |
parent | 6d7b061af153bc5beb633c3bd15348284716a067 (diff) | |
download | u-boot-1fed668b3fb9c35932f58af00ff5539239fa4e1d.tar.xz |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
* 'master' of git://git.denx.de/u-boot-mpc85xx:
powerpc/p3060: Add SoC related support for P3060 platform
powerpc/85xx: Add support for setting up RAID engine liodns on P5020
powerpc/85xx: Refactor some defines out of corenet_ds.h
fm-eth: Add ability for board code to disable a port
powerpc/mpc8548: Add workaround for erratum NMG_LBC103
powerpc/mpc8548: Add workaround for erratum NMG_DDR120
powerpc/mpc85xxcds: Fix PCI speed
powerpc/mpc8548cds: Fix booting message
powerpc/p4080: Add support for secure boot flow
powerpc/85xx: Add Secure Boot support on P1010RDB for NOR, NAND & SPIFLASH
powerpc/85xx: Add PBL & SECUREBOOT support on P3041/P5020DS boards
powerpc/p2041rdb: remove watch dog related codes
powerpc/p2041rdb: updated description of cpld command
powerpc/p2041rdb: add more ddr frequencies support
powerpc/p2041rdb: set sysclk according to status of physical switch SW1
powerpc/p2041rdb: update cpld reset command according to CPLD 2.0
powerpc/mpc8349emds: Migrate from spd_sdram to unified DDR driver
powerpc/mpc83xx: Migrate from spd_sdram to unified DDR driver
powerpc/mpc8xxx: Add DDR2 to unified DDR driver
powerpc/mpc8xxx: Fix picos_to_mclk() and get_memory_clk_period_ps()
powerpc/mpc8xxx: Add SPD EEPROM address for single controller 2 slots
powerpc/mpc8xxx: Fix DDR code for empty first DIMM slot and enable DQS_en
powerpc/85xx: Refactor P2041RDB to use common p_corenet files
powerpc/85xx: refactor common P-Series CoreNet files for FSL boards
powerpc/85xx: Enable CMD_REGINFO on corenet boards
powerpc/85xx: p2041rdb - Remove unused 'execute' perm in TLB entries
powerpc/85xx: Fix USB protocol definitions for P1020RDB
powerpc/corenet_ds: Use separated speed tables for UDIMM and RDIMM
powerpc/mpc8xxx: Move DDR RCW overriding to common code
powerpc/mpc8xxx: Extend CWL table
powerpc/85xx: Cleanup how SVR_MAJ() is defined on MPC8536
powerpc/85xx: Cleanup extern in corenet_ds board code
powerpc/p2041rdb: Add ethernet support on P2041RDB board
powerpc/85xx: Add networking support to P1023RDS
powerpc/hydra: Add ethernet support on P5020/P3041 DS boards
powerpc/85xx: Add FMan ethernet support to P4080DS
powerpc/85xx: Add support for FMan ethernet in Independent mode
powerpc/mpc8548cds: Cleanup mpc8548cds.c
powerpc/mp: add support for discontiguous cores
powerpc/85xx: corenet_ds - Remove unused 'execute' perm in TLB entries
fdt: Add new fdt_create_phandle helper
fdt: Rename fdt_create_phandle to fdt_set_phandle
powerpc/85xx: Fix compile warnings/errors if CONFIG_SYS_DPAA_FMAN isn't set
fsl_ifc: Add the workaround for erratum IFC A-003399(enabled on P1010)
powerpc/P1010: Add workaround for erratum P1010-A003549 (related to IFC)
fsl_ifc: Add the workaround for erratum IFC-A002769 (enable on P1010)
powerpc/85xx: Expanding the window of CCSRBAR in AS=1 from 4k to 1M
powerpc/85xx: Add NAND/NAND_SPL support to P1010RDB
nand: Freescale Integrated Flash Controller NAND support
powerpc/85xx: Add basic support for P1010RDB
powerpc/85xx: Add support for new P102x/P2020 RDB style boards
powerpc/85xx: relocate CCSR before creating the initial RAM area
powerpc/85xx: introduce and document CONFIG_SYS_CCSRBAR macros
powerpc/85xx: Enable internal USB UTMI PHY on p204x/p3041/p50x0
powerpc/85xx: Add ULPI and UTMI USB Phy support for P1010/P1014
Diffstat (limited to 'drivers/net/fm/dtsec.c')
-rw-r--r-- | drivers/net/fm/dtsec.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/net/fm/dtsec.c b/drivers/net/fm/dtsec.c new file mode 100644 index 0000000..a77ee20 --- /dev/null +++ b/drivers/net/fm/dtsec.c @@ -0,0 +1,181 @@ +/* + * Copyright 2009-2011 Freescale Semiconductor, Inc. + * + * 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/types.h> +#include <asm/io.h> +#include <asm/fsl_enet.h> +#include <asm/fsl_dtsec.h> +#include <fsl_mdio.h> +#include <phy.h> + +#include "fm.h" + +#define RCTRL_INIT (RCTRL_GRS | RCTRL_UPROM) +#define TCTRL_INIT TCTRL_GTS +#define MACCFG1_INIT MACCFG1_SOFT_RST + +#define MACCFG2_INIT (MACCFG2_PRE_LEN(0x7) | MACCFG2_LEN_CHECK | \ + MACCFG2_PAD_CRC | MACCFG2_FULL_DUPLEX | \ + MACCFG2_IF_MODE_NIBBLE) + +/* MAXFRM - maximum frame length register */ +#define MAXFRM_MASK 0x00003fff + +static void dtsec_init_mac(struct fsl_enet_mac *mac) +{ + struct dtsec *regs = mac->base; + + /* soft reset */ + out_be32(®s->maccfg1, MACCFG1_SOFT_RST); + udelay(1000); + + /* clear soft reset, Rx/Tx MAC disable */ + out_be32(®s->maccfg1, 0); + + /* graceful stop rx */ + out_be32(®s->rctrl, RCTRL_INIT); + udelay(1000); + + /* graceful stop tx */ + out_be32(®s->tctrl, TCTRL_INIT); + udelay(1000); + + /* disable all interrupts */ + out_be32(®s->imask, IMASK_MASK_ALL); + + /* clear all events */ + out_be32(®s->ievent, IEVENT_CLEAR_ALL); + + /* set the max Rx length */ + out_be32(®s->maxfrm, mac->max_rx_len & MAXFRM_MASK); + + /* set the ecntrl to reset value */ + out_be32(®s->ecntrl, ECNTRL_DEFAULT); + + /* + * Rx length check, no strip CRC for Rx, pad and append CRC for Tx, + * full duplex + */ + out_be32(®s->maccfg2, MACCFG2_INIT); +} + +static void dtsec_enable_mac(struct fsl_enet_mac *mac) +{ + struct dtsec *regs = mac->base; + + /* enable Rx/Tx MAC */ + setbits_be32(®s->maccfg1, MACCFG1_RXTX_EN); + + /* clear the graceful Rx stop */ + clrbits_be32(®s->rctrl, RCTRL_GRS); + + /* clear the graceful Tx stop */ + clrbits_be32(®s->tctrl, TCTRL_GTS); +} + +static void dtsec_disable_mac(struct fsl_enet_mac *mac) +{ + struct dtsec *regs = mac->base; + + /* graceful Rx stop */ + setbits_be32(®s->rctrl, RCTRL_GRS); + + /* graceful Tx stop */ + setbits_be32(®s->tctrl, TCTRL_GTS); + + /* disable Rx/Tx MAC */ + clrbits_be32(®s->maccfg1, MACCFG1_RXTX_EN); +} + +static void dtsec_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr) +{ + struct dtsec *regs = mac->base; + u32 mac_addr1, mac_addr2; + + /* + * if a station address of 0x12345678ABCD, perform a write to + * MACSTNADDR1 of 0xCDAB7856, MACSTNADDR2 of 0x34120000 + */ + mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \ + (mac_addr[3] << 8) | (mac_addr[2]); + out_be32(®s->macstnaddr1, mac_addr1); + + mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000; + out_be32(®s->macstnaddr2, mac_addr2); +} + +static void dtsec_set_interface_mode(struct fsl_enet_mac *mac, + phy_interface_t type, int speed) +{ + struct dtsec *regs = mac->base; + u32 ecntrl, maccfg2; + + /* clear all bits relative with interface mode */ + ecntrl = in_be32(®s->ecntrl); + ecntrl &= ~(ECNTRL_TBIM | ECNTRL_GMIIM | ECNTRL_RPM | + ECNTRL_R100M | ECNTRL_SGMIIM); + + maccfg2 = in_be32(®s->maccfg2); + maccfg2 &= ~MACCFG2_IF_MODE_MASK; + + if (speed == SPEED_1000) + maccfg2 |= MACCFG2_IF_MODE_BYTE; + else + maccfg2 |= MACCFG2_IF_MODE_NIBBLE; + + /* set interface mode */ + switch (type) { + case PHY_INTERFACE_MODE_GMII: + ecntrl |= ECNTRL_GMIIM; + break; + case PHY_INTERFACE_MODE_RGMII: + ecntrl |= (ECNTRL_GMIIM | ECNTRL_RPM); + if (speed == SPEED_100) + ecntrl |= ECNTRL_R100M; + break; + case PHY_INTERFACE_MODE_RMII: + if (speed == SPEED_100) + ecntrl |= ECNTRL_R100M; + break; + case PHY_INTERFACE_MODE_SGMII: + ecntrl |= (ECNTRL_SGMIIM | ECNTRL_TBIM); + if (speed == SPEED_100) + ecntrl |= ECNTRL_R100M; + break; + default: + break; + } + + out_be32(®s->ecntrl, ecntrl); + out_be32(®s->maccfg2, maccfg2); +} + +void init_dtsec(struct fsl_enet_mac *mac, void *base, + void *phyregs, int max_rx_len) +{ + mac->base = base; + mac->phyregs = NULL; + mac->max_rx_len = max_rx_len; + mac->init_mac = dtsec_init_mac; + mac->enable_mac = dtsec_enable_mac; + mac->disable_mac = dtsec_disable_mac; + mac->set_mac_addr = dtsec_set_mac_addr; + mac->set_if_mode = dtsec_set_interface_mode; +} |