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authorWolfgang Denk <wd@denx.de>2011-10-04 20:08:13 (GMT)
committerWolfgang Denk <wd@denx.de>2011-10-04 20:08:13 (GMT)
commit1fed668b3fb9c35932f58af00ff5539239fa4e1d (patch)
treeeaaaead8ca19924af1823caae040f504be9b6d98 /drivers/net/fm/tgec_phy.c
parentc52575350fd6e794717f6bee4f81dbb8038fe22e (diff)
parent6d7b061af153bc5beb633c3bd15348284716a067 (diff)
downloadu-boot-fsl-qoriq-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/tgec_phy.c')
-rw-r--r--drivers/net/fm/tgec_phy.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/net/fm/tgec_phy.c b/drivers/net/fm/tgec_phy.c
new file mode 100644
index 0000000..2d349ad
--- /dev/null
+++ b/drivers/net/fm/tgec_phy.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ * Andy Fleming <afleming@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This 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
+ * Some part is taken from tsec.c
+ */
+#include <common.h>
+#include <miiphy.h>
+#include <phy.h>
+#include <asm/io.h>
+#include <asm/fsl_tgec.h>
+#include <fm_eth.h>
+
+/*
+ * 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
+ */
+int tgec_mdio_write(struct mii_dev *bus, int port_addr, int dev_addr,
+ int regnum, u16 value)
+{
+ u32 mdio_ctl;
+ u32 stat_val;
+ struct tgec_mdio_controller *regs = bus->priv;
+
+ if (dev_addr == MDIO_DEVAD_NONE)
+ return 0;
+
+ /* Wait till the bus is free */
+ stat_val = MDIO_STAT_CLKDIV(100);
+ out_be32(&regs->mdio_stat, stat_val);
+ while ((in_be32(&regs->mdio_stat)) & MDIO_STAT_BSY)
+ ;
+
+ /* Set the port and dev addr */
+ mdio_ctl = MDIO_CTL_PORT_ADDR(port_addr) | MDIO_CTL_DEV_ADDR(dev_addr);
+ out_be32(&regs->mdio_ctl, mdio_ctl);
+
+ /* Set the register address */
+ out_be32(&regs->mdio_addr, regnum & 0xffff);
+
+ /* Wait till the bus is free */
+ while ((in_be32(&regs->mdio_stat)) & MDIO_STAT_BSY)
+ ;
+
+ /* Write the value to the register */
+ out_be32(&regs->mdio_data, MDIO_DATA(value));
+
+ /* Wait till the MDIO write is complete */
+ while ((in_be32(&regs->mdio_data)) & MDIO_DATA_BSY)
+ ;
+
+ return 0;
+}
+
+/*
+ * 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 tgec_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr,
+ int regnum)
+{
+ u32 mdio_ctl;
+ u32 stat_val;
+ struct tgec_mdio_controller *regs = bus->priv;
+
+ if (dev_addr == MDIO_DEVAD_NONE)
+ return 0xffff;
+
+ stat_val = MDIO_STAT_CLKDIV(100);
+ out_be32(&regs->mdio_stat, stat_val);
+ /* Wait till the bus is free */
+ while ((in_be32(&regs->mdio_stat)) & MDIO_STAT_BSY)
+ ;
+
+ /* Set the Port and Device Addrs */
+ mdio_ctl = MDIO_CTL_PORT_ADDR(port_addr) | MDIO_CTL_DEV_ADDR(dev_addr);
+ out_be32(&regs->mdio_ctl, mdio_ctl);
+
+ /* Set the register address */
+ out_be32(&regs->mdio_addr, regnum & 0xffff);
+
+ /* Wait till the bus is free */
+ while ((in_be32(&regs->mdio_stat)) & MDIO_STAT_BSY)
+ ;
+
+ /* Initiate the read */
+ mdio_ctl |= MDIO_CTL_READ;
+ out_be32(&regs->mdio_ctl, mdio_ctl);
+
+ /* Wait till the MDIO write is complete */
+ while ((in_be32(&regs->mdio_data)) & MDIO_DATA_BSY)
+ ;
+
+ /* Return all Fs if nothing was there */
+ if (in_be32(&regs->mdio_stat) & MDIO_STAT_RD_ER)
+ return 0xffff;
+
+ return in_be32(&regs->mdio_data) & 0xffff;
+}
+
+int tgec_mdio_reset(struct mii_dev *bus)
+{
+ return 0;
+}
+
+int fm_tgec_mdio_init(bd_t *bis, struct tgec_mdio_info *info)
+{
+ struct mii_dev *bus = mdio_alloc();
+
+ if (!bus) {
+ printf("Failed to allocate FM TGEC MDIO bus\n");
+ return -1;
+ }
+
+ bus->read = tgec_mdio_read;
+ bus->write = tgec_mdio_write;
+ bus->reset = tgec_mdio_reset;
+ sprintf(bus->name, info->name);
+
+ bus->priv = info->regs;
+
+ return mdio_register(bus);
+}