diff options
16 files changed, 3045 insertions, 0 deletions
diff --git a/target/linux/generic/config-3.6 b/target/linux/generic/config-3.6 index 090346fcdc..707a2637d3 100644 --- a/target/linux/generic/config-3.6 +++ b/target/linux/generic/config-3.6 @@ -176,6 +176,7 @@ CONFIG_ATM_CLIP_NO_ICMP=y # CONFIG_B43 is not set # CONFIG_B43LEGACY is not set # CONFIG_B44 is not set +# CONFIG_B53 is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_BACKTRACE_SELF_TEST is not set CONFIG_BASE_FULL=y diff --git a/target/linux/generic/config-3.7 b/target/linux/generic/config-3.7 index f2147e1294..0bd5c8787f 100644 --- a/target/linux/generic/config-3.7 +++ b/target/linux/generic/config-3.7 @@ -180,6 +180,7 @@ CONFIG_ATM_CLIP_NO_ICMP=y # CONFIG_B43 is not set # CONFIG_B43LEGACY is not set # CONFIG_B44 is not set +# CONFIG_B53 is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_BACKTRACE_SELF_TEST is not set CONFIG_BASE_FULL=y diff --git a/target/linux/generic/config-3.8 b/target/linux/generic/config-3.8 index 443ce6d7e5..7e55421718 100644 --- a/target/linux/generic/config-3.8 +++ b/target/linux/generic/config-3.8 @@ -184,6 +184,7 @@ CONFIG_ATM_CLIP_NO_ICMP=y # CONFIG_B43 is not set # CONFIG_B43LEGACY is not set # CONFIG_B44 is not set +# CONFIG_B53 is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_BACKTRACE_SELF_TEST is not set CONFIG_BASE_FULL=y diff --git a/target/linux/generic/files/drivers/net/phy/b53/Kconfig b/target/linux/generic/files/drivers/net/phy/b53/Kconfig new file mode 100644 index 0000000000..06412522bf --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/Kconfig @@ -0,0 +1,30 @@ +menuconfig B53 + tristate "Broadcom bcm53xx managed switch support" + depends on SWCONFIG + help + This driver adds support for Broadcom managed switch chips. It supports + BCM5325E, BCM5365, BCM539x, BCM53115 and BCM53125 as well as BCM63XX + integrated switches. + +config B53_SPI_DRIVER + tristate "B53 SPI connected switch driver" + depends on B53 + help + Select to enable support for registering switches configured through SPI. + +config B53_PHY_DRIVER + tristate "B53 MDIO connected switch driver" + depends on B53 + select B53_PHY_FIXUP + help + Select to enable support for registering switches configured through MDIO. + +config B53_MMAP_DRIVER + tristate "B53 MMAP connected switch driver" + depends on B53 + help + Select to enable support for memory-mapped switches like the BCM63XX + integrated switches. + +config B53_PHY_FIXUP + bool diff --git a/target/linux/generic/files/drivers/net/phy/b53/Makefile b/target/linux/generic/files/drivers/net/phy/b53/Makefile new file mode 100644 index 0000000000..146196e088 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/Makefile @@ -0,0 +1,9 @@ +obj-$(CONFIG_B53) += b53_common.o + +obj-$(CONFIG_B53_PHY_FIXUP) += b53_phy_fixup.o + +obj-$(CONFIG_B53_MMAP_DRIVER) += b53_mmap.o +obj-$(CONFIG_B53_PHY_DRIVER) += b53_mdio.o +obj-$(CONFIG_B53_SPI_DRIVER) += b53_spi.o + +ccflags-y += -Werror diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_common.c b/target/linux/generic/files/drivers/net/phy/b53/b53_common.c new file mode 100644 index 0000000000..c1cf513266 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_common.c @@ -0,0 +1,1294 @@ +/* + * B53 switch driver main logic + * + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/delay.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/switch.h> +#include <linux/platform_data/b53.h> + +#include "b53_regs.h" +#include "b53_priv.h" + +/* buffer size needed for displaying all MIBs with max'd values */ +#define B53_BUF_SIZE 1188 + +struct b53_mib_desc { + u8 size; + u8 offset; + const char *name; +}; + + +/* BCM5365 MIB counters */ +static const struct b53_mib_desc b53_mibs_65[] = { + { 8, 0x00, "TxOctets" }, + { 4, 0x08, "TxDropPkts" }, + { 4, 0x10, "TxBroadcastPkts" }, + { 4, 0x14, "TxMulticastPkts" }, + { 4, 0x18, "TxUnicastPkts" }, + { 4, 0x1c, "TxCollisions" }, + { 4, 0x20, "TxSingleCollision" }, + { 4, 0x24, "TxMultipleCollision" }, + { 4, 0x28, "TxDeferredTransmit" }, + { 4, 0x2c, "TxLateCollision" }, + { 4, 0x30, "TxExcessiveCollision" }, + { 4, 0x38, "TxPausePkts" }, + { 8, 0x44, "RxOctets" }, + { 4, 0x4c, "RxUndersizePkts" }, + { 4, 0x50, "RxPausePkts" }, + { 4, 0x54, "Pkts64Octets" }, + { 4, 0x58, "Pkts65to127Octets" }, + { 4, 0x5c, "Pkts128to255Octets" }, + { 4, 0x60, "Pkts256to511Octets" }, + { 4, 0x64, "Pkts512to1023Octets" }, + { 4, 0x68, "Pkts1024to1522Octets" }, + { 4, 0x6c, "RxOversizePkts" }, + { 4, 0x70, "RxJabbers" }, + { 4, 0x74, "RxAlignmentErrors" }, + { 4, 0x78, "RxFCSErrors" }, + { 8, 0x7c, "RxGoodOctets" }, + { 4, 0x84, "RxDropPkts" }, + { 4, 0x88, "RxUnicastPkts" }, + { 4, 0x8c, "RxMulticastPkts" }, + { 4, 0x90, "RxBroadcastPkts" }, + { 4, 0x94, "RxSAChanges" }, + { 4, 0x98, "RxFragments" }, + { }, +}; + +/* BCM63xx MIB counters */ +static const struct b53_mib_desc b53_mibs_63xx[] = { + { 8, 0x00, "TxOctets" }, + { 4, 0x08, "TxDropPkts" }, + { 4, 0x0c, "TxQoSPkts" }, + { 4, 0x10, "TxBroadcastPkts" }, + { 4, 0x14, "TxMulticastPkts" }, + { 4, 0x18, "TxUnicastPkts" }, + { 4, 0x1c, "TxCollisions" }, + { 4, 0x20, "TxSingleCollision" }, + { 4, 0x24, "TxMultipleCollision" }, + { 4, 0x28, "TxDeferredTransmit" }, + { 4, 0x2c, "TxLateCollision" }, + { 4, 0x30, "TxExcessiveCollision" }, + { 4, 0x38, "TxPausePkts" }, + { 8, 0x3c, "TxQoSOctets" }, + { 8, 0x44, "RxOctets" }, + { 4, 0x4c, "RxUndersizePkts" }, + { 4, 0x50, "RxPausePkts" }, + { 4, 0x54, "Pkts64Octets" }, + { 4, 0x58, "Pkts65to127Octets" }, + { 4, 0x5c, "Pkts128to255Octets" }, + { 4, 0x60, "Pkts256to511Octets" }, + { 4, 0x64, "Pkts512to1023Octets" }, + { 4, 0x68, "Pkts1024to1522Octets" }, + { 4, 0x6c, "RxOversizePkts" }, + { 4, 0x70, "RxJabbers" }, + { 4, 0x74, "RxAlignmentErrors" }, + { 4, 0x78, "RxFCSErrors" }, + { 8, 0x7c, "RxGoodOctets" }, + { 4, 0x84, "RxDropPkts" }, + { 4, 0x88, "RxUnicastPkts" }, + { 4, 0x8c, "RxMulticastPkts" }, + { 4, 0x90, "RxBroadcastPkts" }, + { 4, 0x94, "RxSAChanges" }, + { 4, 0x98, "RxFragments" }, + { 4, 0xa0, "RxSymbolErrors" }, + { 4, 0xa4, "RxQoSPkts" }, + { 8, 0xa8, "RxQoSOctets" }, + { 4, 0xb0, "Pkts1523to2047Octets" }, + { 4, 0xb4, "Pkts2048to4095Octets" }, + { 4, 0xb8, "Pkts4096to8191Octets" }, + { 4, 0xbc, "Pkts8192to9728Octets" }, + { 4, 0xc0, "RxDiscarded" }, + { } +}; + +/* MIB counters */ +static const struct b53_mib_desc b53_mibs[] = { + { 8, 0x00, "TxOctets" }, + { 4, 0x08, "TxDropPkts" }, + { 4, 0x10, "TxBroadcastPkts" }, + { 4, 0x14, "TxMulticastPkts" }, + { 4, 0x18, "TxUnicastPkts" }, + { 4, 0x1c, "TxCollisions" }, + { 4, 0x20, "TxSingleCollision" }, + { 4, 0x24, "TxMultipleCollision" }, + { 4, 0x28, "TxDeferredTransmit" }, + { 4, 0x2c, "TxLateCollision" }, + { 4, 0x30, "TxExcessiveCollision" }, + { 4, 0x38, "TxPausePkts" }, + { 8, 0x50, "RxOctets" }, + { 4, 0x58, "RxUndersizePkts" }, + { 4, 0x5c, "RxPausePkts" }, + { 4, 0x60, "Pkts64Octets" }, + { 4, 0x64, "Pkts65to127Octets" }, + { 4, 0x68, "Pkts128to255Octets" }, + { 4, 0x6c, "Pkts256to511Octets" }, + { 4, 0x70, "Pkts512to1023Octets" }, + { 4, 0x74, "Pkts1024to1522Octets" }, + { 4, 0x78, "RxOversizePkts" }, + { 4, 0x7c, "RxJabbers" }, + { 4, 0x80, "RxAlignmentErrors" }, + { 4, 0x84, "RxFCSErrors" }, + { 8, 0x88, "RxGoodOctets" }, + { 4, 0x90, "RxDropPkts" }, + { 4, 0x94, "RxUnicastPkts" }, + { 4, 0x98, "RxMulticastPkts" }, + { 4, 0x9c, "RxBroadcastPkts" }, + { 4, 0xa0, "RxSAChanges" }, + { 4, 0xa4, "RxFragments" }, + { 4, 0xa8, "RxJumboPkts" }, + { 4, 0xac, "RxSymbolErrors" }, + { 4, 0xc0, "RxDiscarded" }, + { } +}; + +static int b53_do_vlan_op(struct b53_device *dev, u8 op) +{ + unsigned int i; + + b53_write8(dev, B53_ARLIO_PAGE, dev->vta_regs[0], VTA_START_CMD | op); + + for (i = 0; i < 10; i++) { + u8 vta; + + b53_read8(dev, B53_ARLIO_PAGE, dev->vta_regs[0], &vta); + if (!(vta & VTA_START_CMD)) + return 0; + + usleep_range(100, 200); + } + + return -EIO; +} + +static void b53_set_vlan_entry(struct b53_device *dev, u16 vid, u16 members, + u16 untag) +{ + if (is5325(dev)) { + u32 entry = 0; + + if (members) + entry = (untag << VA_UNTAG_S) | members | VA_VALID_25; + + b53_write32(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_25, entry); + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, vid | + VTA_RW_STATE_WR | VTA_RW_OP_EN); + } else if (is5365(dev)) { + u16 entry = 0; + + if (members) + entry = (untag << VA_UNTAG_S) | members | VA_VALID_65; + + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_WRITE_65, entry); + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_65, vid | + VTA_RW_STATE_WR | VTA_RW_OP_EN); + } else { + b53_write16(dev, B53_ARLIO_PAGE, dev->vta_regs[1], vid); + b53_write32(dev, B53_ARLIO_PAGE, dev->vta_regs[2], + (untag << VTE_UNTAG_S) | members); + + b53_do_vlan_op(dev, VTA_CMD_WRITE); + } +} + +void b53_set_forwarding(struct b53_device *dev, int enable) +{ + u8 mgmt; + + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt); + + if (enable) + mgmt |= SM_SW_FWD_EN; + else + mgmt &= ~SM_SW_FWD_EN; + + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); +} + +static void b53_enable_vlan(struct b53_device *dev, int enable) +{ + u8 mgmt, vc0, vc1, vc4 = 0, vc5; + + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt); + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL0, &vc0); + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL1, &vc1); + + if (is5325(dev) || is5365(dev)) { + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, &vc4); + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_25, &vc5); + } else if (is63xx(dev)) { + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_63XX, &vc4); + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_63XX, &vc5); + } else { + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4, &vc4); + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5, &vc5); + } + + if (enable) { + if (!is63xx(dev)) + mgmt |= SM_SW_FWD_MODE; + + vc0 |= VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID; + vc1 |= VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN; + vc4 &= ~VC4_ING_VID_CHECK_MASK; + vc4 |= VC4_ING_VID_VIO_DROP << VC4_ING_VID_CHECK_S; + vc5 |= VC5_DROP_VTABLE_MISS; + + if (is5325(dev)) + vc0 &= ~VC0_RESERVED_1; + + if (is5325(dev) || is5365(dev)) + vc1 |= VC1_RX_MCST_TAG_EN; + + if (!is5325(dev) && !is5365(dev)) { + if (dev->allow_vid_4095) + vc5 |= VC5_VID_FFF_EN; + else + vc5 &= ~VC5_VID_FFF_EN; + } + } else { + mgmt &= ~SM_SW_FWD_MODE; + vc0 &= ~(VC0_VLAN_EN | VC0_VID_CHK_EN | VC0_VID_HASH_VID); + vc1 &= ~(VC1_RX_MCST_UNTAG_EN | VC1_RX_MCST_FWD_EN); + vc4 &= ~VC4_ING_VID_CHECK_MASK; + vc5 &= ~VC5_DROP_VTABLE_MISS; + + if (is5325(dev) || is5365(dev)) + vc4 |= VC4_ING_VID_VIO_FWD << VC4_ING_VID_CHECK_S; + else + vc4 |= VC4_ING_VID_VIO_TO_IMP << VC4_ING_VID_CHECK_S; + + if (is5325(dev) || is5365(dev)) + vc1 &= ~VC1_RX_MCST_TAG_EN; + + if (!is5325(dev) && !is5365(dev)) + vc5 &= ~VC5_VID_FFF_EN; + } + + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL0, vc0); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL1, vc1); + + if (is5325(dev) || is5365(dev)) { + /* enable the high 8 bit vid check on 5325 */ + if (is5325(dev) && enable) + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3, + VC3_HIGH_8BIT_EN); + else + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3, 0); + + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, vc4); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_25, vc5); + } else if (is63xx(dev)) { + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3_63XX, 0); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_63XX, vc4); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5_63XX, vc5); + } else { + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_CTRL3, 0); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4, vc4); + b53_write8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL5, vc5); + } + + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); +} + +static int b53_set_jumbo(struct b53_device *dev, int enable, int allow_10_100) +{ + u32 port_mask = 0; + u16 max_size = JMS_MIN_SIZE; + + if (is5325(dev) || is5365(dev)) + return -EINVAL; + + if (enable) { + port_mask = dev->enabled_ports; + max_size = JMS_MAX_SIZE; + if (allow_10_100) + port_mask |= JPM_10_100_JUMBO_EN; + } + + b53_write32(dev, B53_JUMBO_PAGE, dev->jumbo_pm_reg, port_mask); + return b53_write16(dev, B53_JUMBO_PAGE, dev->jumbo_size_reg, max_size); +} + +static int b53_flush_arl(struct b53_device *dev) +{ + unsigned int i; + + b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL, + FAST_AGE_DONE | FAST_AGE_DYNAMIC | FAST_AGE_STATIC); + + for (i = 0; i < 10; i++) { + u8 fast_age_ctrl; + + b53_read8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL, + &fast_age_ctrl); + + if (!(fast_age_ctrl & FAST_AGE_DONE)) + return 0; + + mdelay(1); + } + + pr_warn("time out while flushing ARL\n"); + + return -EINVAL; +} + +static void b53_enable_ports(struct b53_device *dev) +{ + unsigned i; + + b53_for_each_port(dev, i) { + u8 port_ctrl; + u16 pvlan_mask; + + /* + * prevent leaking packets between wan and lan in unmanaged + * mode through port vlans. + */ + if (dev->enable_vlan || is_cpu_port(dev, i)) + pvlan_mask = 0x1ff; + else if (is531x5(dev)) + /* BCM53115 may use a different port as cpu port */ + pvlan_mask = BIT(dev->sw_dev.cpu_port); + else + pvlan_mask = BIT(B53_CPU_PORT); + + /* BCM5325 CPU port is at 8 */ + if ((is5325(dev) || is5365(dev)) && i == B53_CPU_PORT_25) + i = B53_CPU_PORT; + + if (dev->chip_id == BCM5398_DEVICE_ID && (i == 6 || i == 7)) + /* disable unused ports 6 & 7 */ + port_ctrl = PORT_CTRL_RX_DISABLE | PORT_CTRL_TX_DISABLE; + else if (i == B53_CPU_PORT) + port_ctrl = PORT_CTRL_RX_BCST_EN | + PORT_CTRL_RX_MCST_EN | + PORT_CTRL_RX_UCST_EN; + else + port_ctrl = 0; + + b53_write16(dev, B53_PVLAN_PAGE, B53_PVLAN_PORT_MASK(i), + pvlan_mask); + + /* port state is handled by bcm63xx_enet driver */ + if (!is63xx(dev)) + b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(i), + port_ctrl); + } +} + +static void b53_enable_mib(struct b53_device *dev) +{ + u8 gc; + + b53_read8(dev, B53_CTRL_PAGE, B53_GLOBAL_CONFIG, &gc); + + gc &= ~(GC_RESET_MIB | GC_MIB_AC_EN); + + b53_write8(dev, B53_CTRL_PAGE, B53_GLOBAL_CONFIG, gc); +} + +static int b53_apply(struct b53_device *dev) +{ + int i; + + /* clear all vlan entries */ + if (is5325(dev) || is5365(dev)) { + for (i = 1; i < dev->sw_dev.vlans; i++) + b53_set_vlan_entry(dev, i, 0, 0); + } else { + b53_do_vlan_op(dev, VTA_CMD_CLEAR); + } + + b53_enable_vlan(dev, dev->enable_vlan); + + /* fill VLAN table */ + if (dev->enable_vlan) { + for (i = 0; i < dev->sw_dev.vlans; i++) { + struct b53_vlan *vlan = &dev->vlans[i]; + + if (!vlan->members) + continue; + + b53_set_vlan_entry(dev, i, vlan->members, vlan->untag); + } + + b53_for_each_port(dev, i) + b53_write16(dev, B53_VLAN_PAGE, + B53_VLAN_PORT_DEF_TAG(i), + dev->ports[i].pvid); + } else { + b53_for_each_port(dev, i) + b53_write16(dev, B53_VLAN_PAGE, + B53_VLAN_PORT_DEF_TAG(i), 1); + + } + + b53_enable_ports(dev); + + if (!is5325(dev) && !is5365(dev)) + b53_set_jumbo(dev, dev->enable_jumbo, 1); + + return 0; +} + +static int b53_switch_reset(struct b53_device *dev) +{ + u8 mgmt; + + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt); + + if (!(mgmt & SM_SW_FWD_EN)) { + mgmt &= ~SM_SW_FWD_MODE; + mgmt |= SM_SW_FWD_EN; + + b53_write8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, mgmt); + b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt); + + if (!(mgmt & SM_SW_FWD_EN)) { + pr_err("Failed to enable switch!\n"); + return -EINVAL; + } + } + + /* enable all ports */ + b53_enable_ports(dev); + + /* configure MII port if necessary */ + if (is5325(dev)) { + u8 mii_port_override; + + b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + &mii_port_override); + /* reverse mii needs to be enabled */ + if (!(mii_port_override & PORT_OVERRIDE_RV_MII_25)) { + b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + mii_port_override | PORT_OVERRIDE_RV_MII_25); + b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + &mii_port_override); + + if (!(mii_port_override & PORT_OVERRIDE_RV_MII_25)) { + pr_err("Failed to enable reverse MII mode\n"); + return -EINVAL; + } + } + } else if (is531x5(dev) && dev->sw_dev.cpu_port == B53_CPU_PORT) { + u8 mii_port_override; + + b53_read8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + &mii_port_override); + b53_write8(dev, B53_CTRL_PAGE, B53_PORT_OVERRIDE_CTRL, + mii_port_override | PORT_OVERRIDE_EN | + PORT_OVERRIDE_LINK); + } + + b53_enable_mib(dev); + + return b53_flush_arl(dev); +} + +/* + * Swconfig glue functions + */ + +static int b53_global_get_vlan_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + val->value.i = priv->enable_vlan; + + return 0; +} + +static int b53_global_set_vlan_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + priv->enable_vlan = val->value.i; + + return 0; +} + +static int b53_global_get_jumbo_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + val->value.i = priv->enable_jumbo; + + return 0; +} + +static int b53_global_set_jumbo_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + priv->enable_jumbo = val->value.i; + + return 0; +} + +static int b53_global_get_4095_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + val->value.i = priv->allow_vid_4095; + + return 0; +} + +static int b53_global_set_4095_enable(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + priv->allow_vid_4095 = val->value.i; + + return 0; +} + +static int b53_global_get_ports(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + val->len = snprintf(priv->buf, B53_BUF_SIZE, "0x%04x", + priv->enabled_ports); + val->value.s = priv->buf; + + return 0; +} + +static int b53_port_get_pvid(struct switch_dev *dev, int port, int *val) +{ + struct b53_device *priv = sw_to_b53(dev); + + *val = priv->ports[port].pvid; + + return 0; +} + +static int b53_port_set_pvid(struct switch_dev *dev, int port, int val) +{ + struct b53_device *priv = sw_to_b53(dev); + + if (val > 15 && is5325(priv)) + return -EINVAL; + if (val == 4095 && !priv->allow_vid_4095) + return -EINVAL; + + priv->ports[port].pvid = val; + + return 0; +} + +static int b53_vlan_get_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + struct switch_port *port = &val->value.ports[0]; + struct b53_vlan *vlan = &priv->vlans[val->port_vlan]; + int i; + + val->len = 0; + + if (!vlan->members) + return 0; + + for (i = 0; i < dev->ports; i++) { + if (!(vlan->members & BIT(i))) + continue; + + + if (!(vlan->untag & BIT(i))) + port->flags = BIT(SWITCH_PORT_FLAG_TAGGED); + else + port->flags = 0; + + port->id = i; + val->len++; + port++; + } + + return 0; +} + +static int b53_vlan_set_ports(struct switch_dev *dev, struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + struct switch_port *port; + struct b53_vlan *vlan = &priv->vlans[val->port_vlan]; + int i; + + /* only BCM5325 and BCM5365 supports VID 0 */ + if (val->port_vlan == 0 && !is5325(priv) && !is5365(priv)) + return -EINVAL; + + /* VLAN 4095 needs special handling */ + if (val->port_vlan == 4095 && !priv->allow_vid_4095) + return -EINVAL; + + port = &val->value.ports[0]; + vlan->members = 0; + vlan->untag = 0; + for (i = 0; i < val->len; i++, port++) { + vlan->members |= BIT(port->id); + + if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED))) { + vlan->untag |= BIT(port->id); + priv->ports[port->id].pvid = val->port_vlan; + }; + } + + /* ignore disabled ports */ + vlan->members &= priv->enabled_ports; + vlan->untag &= priv->enabled_ports; + + return 0; +} + +static int b53_port_get_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + struct b53_device *priv = sw_to_b53(dev); + + if (is_cpu_port(priv, port)) { + link->link = 1; + link->duplex = 1; + link->speed = is5325(priv) || is5365(priv) ? + SWITCH_PORT_SPEED_100 : SWITCH_PORT_SPEED_1000; + link->aneg = 0; + } else if (priv->enabled_ports & BIT(port)) { + u32 speed; + u16 lnk, duplex; + + b53_read16(priv, B53_STAT_PAGE, B53_LINK_STAT, &lnk); + b53_read16(priv, B53_STAT_PAGE, priv->duplex_reg, &duplex); + + lnk = (lnk >> port) & 1; + duplex = (duplex >> port) & 1; + + if (is5325(priv) || is5365(priv)) { + u16 tmp; + + b53_read16(priv, B53_STAT_PAGE, B53_SPEED_STAT, &tmp); + speed = SPEED_PORT_FE(tmp, port); + } else { + b53_read32(priv, B53_STAT_PAGE, B53_SPEED_STAT, &speed); + speed = SPEED_PORT_GE(speed, port); + } + + link->link = lnk; + if (lnk) { + link->duplex = duplex; + switch (speed) { + case SPEED_STAT_10M: + link->speed = SWITCH_PORT_SPEED_10; + break; + case SPEED_STAT_100M: + link->speed = SWITCH_PORT_SPEED_100; + break; + case SPEED_STAT_1000M: + link->speed = SWITCH_PORT_SPEED_1000; + break; + } + } + + link->aneg = 1; + } else { + link->link = 0; + } + + return 0; + +} + +static int b53_global_reset_switch(struct switch_dev *dev) +{ + struct b53_device *priv = sw_to_b53(dev); + + /* reset vlans */ + priv->enable_vlan = 0; + priv->enable_jumbo = 0; + priv->allow_vid_4095 = 0; + + memset(priv->vlans, 0, sizeof(priv->vlans) * dev->vlans); + memset(priv->ports, 0, sizeof(priv->ports) * dev->ports); + + return b53_switch_reset(priv); +} + +static int b53_global_apply_config(struct switch_dev *dev) +{ + struct b53_device *priv = sw_to_b53(dev); + + /* disable switching */ + b53_set_forwarding(priv, 0); + + b53_apply(priv); + + /* enable switching */ + b53_set_forwarding(priv, 1); + + return 0; +} + + +static int b53_global_reset_mib(struct switch_dev *dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *priv = sw_to_b53(dev); + u8 gc; + + b53_read8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, &gc); + + b53_write8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc | GC_RESET_MIB); + mdelay(1); + b53_write8(priv, B53_MGMT_PAGE, B53_GLOBAL_CONFIG, gc & ~GC_RESET_MIB); + mdelay(1); + + return 0; +} + +static int b53_port_get_mib(struct switch_dev *sw_dev, + const struct switch_attr *attr, + struct switch_val *val) +{ + struct b53_device *dev = sw_to_b53(sw_dev); + const struct b53_mib_desc *mibs; + int port = val->port_vlan; + int len = 0; + + if (!(BIT(port) & dev->enabled_ports)) + return -1; + + if (is5365(dev)) { + if (port == 5) + port = 8; + + mibs = b53_mibs_65; + } else if (is63xx(dev)) { + mibs = b53_mibs_63xx; + } else { + mibs = b53_mibs; + } + + dev->buf[0] = 0; + + for (; mibs->size > 0; mibs++) { + u64 val; + + if (mibs->size == 8) { + b53_read64(dev, B53_MIB_PAGE(port), mibs->offset, &val); + } else { + u32 val32; + + b53_read32(dev, B53_MIB_PAGE(port), mibs->offset, + &val32); + val = val32; + } + + len += snprintf(dev->buf + len, B53_BUF_SIZE - len, + "%-20s: %llu\n", mibs->name, val); + } + + val->len = len; + val->value.s = dev->buf; + + return 0; +} + +static struct switch_attr b53_global_ops_25[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = b53_global_set_vlan_enable, + .get = b53_global_get_vlan_enable, + .max = 1, + }, + { + .type = SWITCH_TYPE_STRING, + .name = "ports", + .description = "Available ports (as bitmask)", + .get = b53_global_get_ports, + }, +}; + +static struct switch_attr b53_global_ops_65[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = b53_global_set_vlan_enable, + .get = b53_global_get_vlan_enable, + .max = 1, + }, + { + .type = SWITCH_TYPE_STRING, + .name = "ports", + .description = "Available ports (as bitmask)", + .get = b53_global_get_ports, + }, + { + .type = SWITCH_TYPE_INT, + .name = "reset_mib", + .description = "Reset MIB counters", + .set = b53_global_reset_mib, + }, +}; + +static struct switch_attr b53_global_ops[] = { + { + .type = SWITCH_TYPE_INT, + .name = "enable_vlan", + .description = "Enable VLAN mode", + .set = b53_global_set_vlan_enable, + .get = b53_global_get_vlan_enable, + .max = 1, + }, + { + .type = SWITCH_TYPE_STRING, + .name = "ports", + .description = "Available Ports (as bitmask)", + .get = b53_global_get_ports, + }, + { + .type = SWITCH_TYPE_INT, + .name = "reset_mib", + .description = "Reset MIB counters", + .set = b53_global_reset_mib, + }, + { + .type = SWITCH_TYPE_INT, + .name = "enable_jumbo", + .description = "Enable Jumbo Frames", + .set = b53_global_set_jumbo_enable, + .get = b53_global_get_jumbo_enable, + .max = 1, + }, + { + .type = SWITCH_TYPE_INT, + .name = "allow_vid_4095", + .description = "Allow VID 4095", + .set = b53_global_set_4095_enable, + .get = b53_global_get_4095_enable, + .max = 1, + }, +}; + +static struct switch_attr b53_port_ops[] = { + { + .type = SWITCH_TYPE_STRING, + .name = "mib", + .description = "Get port's MIB counters", + .get = b53_port_get_mib, + }, +}; + +static struct switch_attr b53_no_ops[] = { +}; + +static const struct switch_dev_ops b53_switch_ops_25 = { + .attr_global = { + .attr = b53_global_ops_25, + .n_attr = ARRAY_SIZE(b53_global_ops_25), + }, + .attr_port = { + .attr = b53_no_ops, + .n_attr = ARRAY_SIZE(b53_no_ops), + }, + .attr_vlan = { + .attr = b53_no_ops, + .n_attr = ARRAY_SIZE(b53_no_ops), + }, + + .get_vlan_ports = b53_vlan_get_ports, + .set_vlan_ports = b53_vlan_set_ports, + .get_port_pvid = b53_port_get_pvid, + .set_port_pvid = b53_port_set_pvid, + .apply_config = b53_global_apply_config, + .reset_switch = b53_global_reset_switch, + .get_port_link = b53_port_get_link, +}; + +static const struct switch_dev_ops b53_switch_ops_65 = { + .attr_global = { + .attr = b53_global_ops_25, + .n_attr = ARRAY_SIZE(b53_global_ops_65), + }, + .attr_port = { + .attr = b53_no_ops, + .n_attr = ARRAY_SIZE(b53_port_ops), + }, + .attr_vlan = { + .attr = b53_no_ops, + .n_attr = ARRAY_SIZE(b53_no_ops), + }, + + .get_vlan_ports = b53_vlan_get_ports, + .set_vlan_ports = b53_vlan_set_ports, + .get_port_pvid = b53_port_get_pvid, + .set_port_pvid = b53_port_set_pvid, + .apply_config = b53_global_apply_config, + .reset_switch = b53_global_reset_switch, + .get_port_link = b53_port_get_link, +}; + +static const struct switch_dev_ops b53_switch_ops = { + .attr_global = { + .attr = b53_global_ops, + .n_attr = ARRAY_SIZE(b53_global_ops), + }, + .attr_port = { + .attr = b53_port_ops, + .n_attr = ARRAY_SIZE(b53_port_ops), + }, + .attr_vlan = { + .attr = b53_no_ops, + .n_attr = ARRAY_SIZE(b53_no_ops), + }, + + .get_vlan_ports = b53_vlan_get_ports, + .set_vlan_ports = b53_vlan_set_ports, + .get_port_pvid = b53_port_get_pvid, + .set_port_pvid = b53_port_set_pvid, + .apply_config = b53_global_apply_config, + .reset_switch = b53_global_reset_switch, + .get_port_link = b53_port_get_link, +}; + +struct b53_chip_data { + u32 chip_id; + const char *dev_name; + const char *alias; + u16 vlans; + u16 enabled_ports; + u8 cpu_port; + u8 vta_regs[3]; + u8 duplex_reg; + u8 jumbo_pm_reg; + u8 jumbo_size_reg; + const struct switch_dev_ops *sw_ops; +}; + +#define B53_VTA_REGS \ + { B53_VT_ACCESS, B53_VT_INDEX, B53_VT_ENTRY } +#define B53_VTA_REGS_9798 \ + { B53_VT_ACCESS_9798, B53_VT_INDEX_9798, B53_VT_ENTRY_9798 } +#define B53_VTA_REGS_63XX \ + { B53_VT_ACCESS_63XX, B53_VT_INDEX_63XX, B53_VT_ENTRY_63XX } + +static const struct b53_chip_data b53_switch_chips[] = { + { + .chip_id = BCM5325_DEVICE_ID, + .dev_name = "BCM5325", + .alias = "bcm5325", + .vlans = 16, + .enabled_ports = 0x1f, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + .sw_ops = &b53_switch_ops_25, + }, + { + .chip_id = BCM5365_DEVICE_ID, + .dev_name = "BCM5365", + .alias = "bcm5365", + .vlans = 256, + .enabled_ports = 0x1f, + .cpu_port = B53_CPU_PORT_25, + .duplex_reg = B53_DUPLEX_STAT_FE, + .sw_ops = &b53_switch_ops_65, + }, + { + .chip_id = BCM5395_DEVICE_ID, + .dev_name = "BCM5395", + .alias = "bcm5395", + .vlans = 4096, + .enabled_ports = 0x1f, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + .sw_ops = &b53_switch_ops, + }, + { + .chip_id = BCM5397_DEVICE_ID, + .dev_name = "BCM5397", + .alias = "bcm5397", + .vlans = 4096, + .enabled_ports = 0x1f, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + .sw_ops = &b53_switch_ops, + }, + { + .chip_id = BCM5398_DEVICE_ID, + .dev_name = "BCM5398", + .alias = "bcm5398", + .vlans = 4096, + .enabled_ports = 0x7f, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_9798, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + .sw_ops = &b53_switch_ops, + }, + { + .chip_id = BCM53115_DEVICE_ID, + .dev_name = "BCM53115", + .alias = "bcm53115", + .vlans = 4096, + .enabled_ports = 0x1f, + .vta_regs = B53_VTA_REGS, + .cpu_port = B53_CPU_PORT, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + .sw_ops = &b53_switch_ops, + }, + { + .chip_id = BCM53125_DEVICE_ID, + .dev_name = "BCM53125", + .alias = "bcm53125", + .vlans = 4096, + .enabled_ports = 0x1f, + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS, + .duplex_reg = B53_DUPLEX_STAT_GE, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE, + .sw_ops = &b53_switch_ops, + }, + { + .chip_id = BCM63XX_DEVICE_ID, + .dev_name = "BCM63xx", + .alias = "bcm63xx", + .vlans = 4096, + .enabled_ports = 0, /* pdata must provide them */ + .cpu_port = B53_CPU_PORT, + .vta_regs = B53_VTA_REGS_63XX, + .duplex_reg = B53_DUPLEX_STAT_63XX, + .jumbo_pm_reg = B53_JUMBO_PORT_MASK_63XX, + .jumbo_size_reg = B53_JUMBO_MAX_SIZE_63XX, + .sw_ops = &b53_switch_ops, + }, +}; + +int b53_switch_init(struct b53_device *dev) +{ + struct switch_dev *sw_dev = &dev->sw_dev; + unsigned i; + + for (i = 0; i < ARRAY_SIZE(b53_switch_chips); i++) { + const struct b53_chip_data *chip = &b53_switch_chips[i]; + + if (chip->chip_id == dev->chip_id) { + sw_dev->name = chip->dev_name; + if (!sw_dev->alias) + sw_dev->alias = chip->alias; + if (!dev->enabled_ports) + dev->enabled_ports = chip->enabled_ports; + dev->duplex_reg = chip->duplex_reg; + dev->vta_regs[0] = chip->vta_regs[0]; + dev->vta_regs[1] = chip->vta_regs[1]; + dev->vta_regs[2] = chip->vta_regs[2]; + dev->jumbo_pm_reg = chip->jumbo_pm_reg; + sw_dev->ops = chip->sw_ops; + sw_dev->cpu_port = chip->cpu_port; + sw_dev->vlans = chip->vlans; + break; + } + } + + if (!sw_dev->name) + return -EINVAL; + + /* check which BCM5325x version we have */ + if (is5325(dev)) { + u8 vc4; + + b53_read8(dev, B53_VLAN_PAGE, B53_VLAN_CTRL4_25, &vc4); + + /* check reserved bits */ + switch (vc4 & 3) { + case 1: + /* BCM5325E */ + break; + case 3: + /* BCM5325F - do not use port 4 */ + dev->enabled_ports &= ~BIT(4); + break; + default: + /* BCM5325M */ + return -EINVAL; + } + } else if (dev->chip_id == BCM53115_DEVICE_ID) { + u64 strap_value; + + b53_read48(dev, B53_STAT_PAGE, B53_STRAP_VALUE, &strap_value); + /* use second IMP port if GMII is enabled */ + if (strap_value & SV_GMII_CTRL_115) + sw_dev->cpu_port = 5; + } + + /* cpu port is always last */ + sw_dev->ports = sw_dev->cpu_port + 1; + dev->enabled_ports |= BIT(sw_dev->cpu_port); + + dev->ports = devm_kzalloc(dev->dev, + sizeof(struct b53_port) * sw_dev->ports, + GFP_KERNEL); + if (!dev->ports) + return -ENOMEM; + + dev->vlans = devm_kzalloc(dev->dev, + sizeof(struct b53_vlan) * sw_dev->vlans, + GFP_KERNEL); + if (!dev->vlans) + return -ENOMEM; + + dev->buf = devm_kzalloc(dev->dev, B53_BUF_SIZE, GFP_KERNEL); + if (!dev->buf) + return -ENOMEM; + + return b53_switch_reset(dev); +} + +struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops, + void *priv) +{ + struct b53_device *dev; + + dev = devm_kzalloc(base, sizeof(*dev), GFP_KERNEL); + if (!dev) + return NULL; + + dev->dev = base; + dev->ops = ops; + dev->priv = priv; + mutex_init(&dev->reg_mutex); + + return dev; +} +EXPORT_SYMBOL(b53_switch_alloc); + +int b53_switch_detect(struct b53_device *dev) +{ + u32 id32; + u16 tmp; + u8 id8; + int ret; + + ret = b53_read8(dev, B53_MGMT_PAGE, B53_DEVICE_ID, &id8); + if (ret) + return ret; + + switch (id8) { + case 0: + /* + * BCM5325 and BCM5365 do not have this register so reads + * return 0. But the read operation did succeed, so assume + * this is one of them. + * + * Next check if we can write to the 5325's VTA register; for + * 5365 it is read only. + */ + + b53_write16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, 0xf); + b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_TABLE_ACCESS_25, &tmp); + + if (tmp == 0xf) + dev->chip_id = BCM5325_DEVICE_ID; + else + dev->chip_id = BCM5365_DEVICE_ID; + break; + case BCM5395_DEVICE_ID: + case BCM5397_DEVICE_ID: + case BCM5398_DEVICE_ID: + dev->chip_id = id8; + break; + default: + ret = b53_read32(dev, B53_MGMT_PAGE, B53_DEVICE_ID, &id32); + if (ret) + return ret; + + switch (id32) { + case BCM53115_DEVICE_ID: + case BCM53125_DEVICE_ID: + dev->chip_id = id32; + break; + default: + pr_err("unsupported switch detected (BCM53%02x/BCM%x)\n", + id8, id32); + return -ENODEV; + } + } + + return b53_read8(dev, B53_MGMT_PAGE, B53_REV_ID, &dev->core_rev); +} +EXPORT_SYMBOL(b53_switch_detect); + +int b53_switch_register(struct b53_device *dev) +{ + int ret; + + if (dev->pdata) { + dev->chip_id = dev->pdata->chip_id; + dev->enabled_ports = dev->pdata->enabled_ports; + dev->sw_dev.alias = dev->pdata->alias; + } + + if (!dev->chip_id && b53_switch_detect(dev)) + return -EINVAL; + + ret = b53_switch_init(dev); + if (ret) + return ret; + + pr_info("found switch: %s, rev %i\n", dev->sw_dev.name, dev->core_rev); + + return register_switch(&dev->sw_dev, NULL); +} +EXPORT_SYMBOL(b53_switch_register); + +MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>"); +MODULE_DESCRIPTION("B53 switch library"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_mdio.c b/target/linux/generic/files/drivers/net/phy/b53/b53_mdio.c new file mode 100644 index 0000000000..9283af6072 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_mdio.c @@ -0,0 +1,401 @@ +/* + * B53 register access through MII registers + * + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/phy.h> +#include <linux/module.h> + +#include "b53_priv.h" + +#define B53_PSEUDO_PHY 0x1e /* Register Access Pseudo PHY */ + +/* MII registers */ +#define REG_MII_PAGE 0x10 /* MII Page register */ +#define REG_MII_ADDR 0x11 /* MII Address register */ +#define REG_MII_DATA0 0x18 /* MII Data register 0 */ +#define REG_MII_DATA1 0x19 /* MII Data register 1 */ +#define REG_MII_DATA2 0x1a /* MII Data register 2 */ +#define REG_MII_DATA3 0x1b /* MII Data register 3 */ + +#define REG_MII_PAGE_ENABLE BIT(0) +#define REG_MII_ADDR_WRITE BIT(0) +#define REG_MII_ADDR_READ BIT(1) + +static int b53_mdio_op(struct b53_device *dev, u8 page, u8 reg, u16 op) +{ + int i; + u16 v; + int ret; + struct mii_bus *bus = dev->priv; + + if (dev->current_page != page) { + /* set page number */ + v = (page << 8) | REG_MII_PAGE_ENABLE; + ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_PAGE, v); + if (ret) + return ret; + dev->current_page = page; + } + + /* set register address */ + v = (reg << 8) | op; + ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_ADDR, v); + if (ret) + return ret; + + /* check if operation completed */ + for (i = 0; i < 5; ++i) { + v = mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_ADDR); + if (!(v & (REG_MII_ADDR_WRITE | REG_MII_ADDR_READ))) + break; + usleep_range(10, 100); + } + + if (WARN_ON(i == 5)) + return -EIO; + + return 0; +} + +static int b53_mdio_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) +{ + struct mii_bus *bus = dev->priv; + int ret; + + ret = b53_mdio_op(dev, page, reg, REG_MII_ADDR_READ); + if (ret) + return ret; + + *val = mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA0) & 0xff; + + return 0; +} + +static int b53_mdio_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) +{ + struct mii_bus *bus = dev->priv; + int ret; + + ret = b53_mdio_op(dev, page, reg, REG_MII_ADDR_READ); + if (ret) + return ret; + + *val = mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA0); + + return 0; +} + +static int b53_mdio_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) +{ + struct mii_bus *bus = dev->priv; + int ret; + + ret = b53_mdio_op(dev, page, reg, REG_MII_ADDR_READ); + if (ret) + return ret; + + *val = mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA0); + *val |= mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA1) << 16; + + return 0; +} + +static int b53_mdio_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + struct mii_bus *bus = dev->priv; + u64 temp = 0; + int i; + int ret; + + ret = b53_mdio_op(dev, page, reg, REG_MII_ADDR_READ); + if (ret) + return ret; + + for (i = 2; i >= 0; i--) { + temp <<= 16; + temp |= mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA0 + i); + } + + *val = temp; + + return 0; +} + +static int b53_mdio_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + struct mii_bus *bus = dev->priv; + u64 temp = 0; + int i; + int ret; + + ret = b53_mdio_op(dev, page, reg, REG_MII_ADDR_READ); + if (ret) + return ret; + + for (i = 3; i >= 0; i--) { + temp <<= 16; + temp |= mdiobus_read(bus, B53_PSEUDO_PHY, REG_MII_DATA0 + i); + } + + *val = temp; + + return 0; +} + +static int b53_mdio_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) +{ + struct mii_bus *bus = dev->priv; + int ret; + + ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_DATA0, value); + if (ret) + return ret; + + return b53_mdio_op(dev, page, reg, REG_MII_ADDR_WRITE); +} + +static int b53_mdio_write16(struct b53_device *dev, u8 page, u8 reg, + u16 value) +{ + struct mii_bus *bus = dev->priv; + int ret; + + ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_DATA0, value); + if (ret) + return ret; + + return b53_mdio_op(dev, page, reg, REG_MII_ADDR_WRITE); +} + +static int b53_mdio_write32(struct b53_device *dev, u8 page, u8 reg, + u32 value) +{ + struct mii_bus *bus = dev->priv; + unsigned int i; + u32 temp = value; + + for (i = 0; i < 2; i++) { + int ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_DATA0 + i, + temp & 0xffff); + if (ret) + return ret; + temp >>= 16; + } + + return b53_mdio_op(dev, page, reg, REG_MII_ADDR_WRITE); + +} + +static int b53_mdio_write48(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + struct mii_bus *bus = dev->priv; + unsigned i; + u64 temp = value; + + for (i = 0; i < 3; i++) { + int ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_DATA0 + i, + temp & 0xffff); + if (ret) + return ret; + temp >>= 16; + } + + return b53_mdio_op(dev, page, reg, REG_MII_ADDR_WRITE); + +} + +static int b53_mdio_write64(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + struct mii_bus *bus = dev->priv; + unsigned i; + u64 temp = value; + + for (i = 0; i < 4; i++) { + int ret = mdiobus_write(bus, B53_PSEUDO_PHY, REG_MII_DATA0 + i, + temp & 0xffff); + if (ret) + return ret; + temp >>= 16; + } + + return b53_mdio_op(dev, page, reg, REG_MII_ADDR_WRITE); +} + +static struct b53_io_ops b53_mdio_ops = { + .read8 = b53_mdio_read8, + .read16 = b53_mdio_read16, + .read32 = b53_mdio_read32, + .read48 = b53_mdio_read48, + .read64 = b53_mdio_read64, + .write8 = b53_mdio_write8, + .write16 = b53_mdio_write16, + .write32 = b53_mdio_write32, + .write48 = b53_mdio_write48, + .write64 = b53_mdio_write64, +}; + +static int b53_phy_probe(struct phy_device *phydev) +{ + struct b53_device dev; + int ret; + + /* allow the generic phy driver to take over */ + if (phydev->addr != B53_PSEUDO_PHY && phydev->addr != 0) + return -ENODEV; + + dev.current_page = 0xff; + dev.priv = phydev->bus; + dev.ops = &b53_mdio_ops; + dev.pdata = NULL; + mutex_init(&dev.reg_mutex); + + ret = b53_switch_detect(&dev); + if (!ret) + return ret; + + if (is5325(&dev) || is5365(&dev)) + phydev->supported = SUPPORTED_100baseT_Full; + else + phydev->supported = SUPPORTED_1000baseT_Full; + + phydev->advertising = phydev->supported; + + return 0; +} + +static int b53_phy_config_init(struct phy_device *phydev) +{ + struct b53_device *dev; + int ret; + + dev = b53_switch_alloc(&phydev->dev, &b53_mdio_ops, phydev->bus); + if (!dev) + return -ENOMEM; + + /* we don't use page 0xff, so force a page set */ + dev->current_page = 0xff; + /* force the ethX as alias */ + dev->sw_dev.alias = phydev->attached_dev->name; + + ret = b53_switch_register(dev); + if (ret) { + pr_info("failed to register switch: %i\n", ret); + return ret; + } + + phydev->priv = dev; + + return 0; +} + +static void b53_phy_remove(struct phy_device *phydev) +{ + struct b53_device *priv = phydev->priv; + + if (!priv) + return; + + b53_switch_remove(priv); + + phydev->priv = NULL; +} + +static int b53_phy_config_aneg(struct phy_device *phydev) +{ + return 0; +} + +static int b53_phy_read_status(struct phy_device *phydev) +{ + struct b53_device *priv = phydev->priv; + + if (is5325(priv) || is5365(priv)) + phydev->speed = 100; + else + phydev->speed = 1000; + + phydev->duplex = DUPLEX_FULL; + phydev->link = 1; + phydev->state = PHY_RUNNING; + + netif_carrier_on(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + + return 0; +} + +/* BCM5325, BCM539x */ +static struct phy_driver b53_phy_driver_id1 = { + .phy_id = 0x0143bc00, + .name = "Broadcom B53 (1)", + .phy_id_mask = 0x1ffffc00, + .features = 0, + .probe = b53_phy_probe, + .remove = b53_phy_remove, + .config_aneg = b53_phy_config_aneg, + .config_init = b53_phy_config_init, + .read_status = b53_phy_read_status, + .driver = { + .owner = THIS_MODULE, + }, +}; + +/* BCM53125 */ +static struct phy_driver b53_phy_driver_id2 = { + .phy_id = 0x03625c00, + .name = "Broadcom B53 (2)", + .phy_id_mask = 0x1ffffc00, + .features = 0, + .probe = b53_phy_probe, + .remove = b53_phy_remove, + .config_aneg = b53_phy_config_aneg, + .config_init = b53_phy_config_init, + .read_status = b53_phy_read_status, + .driver = { + .owner = THIS_MODULE, + }, +}; + +int __init b53_phy_driver_register(void) +{ + int ret; + + ret = phy_driver_register(&b53_phy_driver_id1); + if (ret) + return ret; + + ret = phy_driver_register(&b53_phy_driver_id2); + if (ret) + phy_driver_unregister(&b53_phy_driver_id1); + + return ret; +} + +void __exit b53_phy_driver_unregister(void) +{ + phy_driver_unregister(&b53_phy_driver_id2); + phy_driver_unregister(&b53_phy_driver_id1); +} + +module_init(b53_phy_driver_register); +module_exit(b53_phy_driver_unregister); + +MODULE_DESCRIPTION("B53 MDIO access driver"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_mmap.c b/target/linux/generic/files/drivers/net/phy/b53/b53_mmap.c new file mode 100644 index 0000000000..1fd01581a2 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_mmap.c @@ -0,0 +1,241 @@ +/* + * B53 register access through memory mapped registers + * + * Copyright (C) 2012-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/platform_data/b53.h> + +#include "b53_priv.h" + +static int b53_mmap_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) +{ + u8 __iomem *regs = dev->priv; + + *val = readb(regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 2)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) + *val = readw_be(regs + (page << 8) + reg); + else + *val = readw(regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) + *val = readl_be(regs + (page << 8) + reg); + else + *val = readl(regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) { + *val = readl_be(regs + (page << 8) + reg); + *val <<= 16; + *val |= readw_be(regs + (page << 8) + reg + 4); + } else { + *val |= readw(regs + (page << 8) + reg + 4); + *val <<= 32; + *val = readl(regs + (page << 8) + reg); + } + + return 0; +} + +static int b53_mmap_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + u8 __iomem *regs = dev->priv; + u32 hi, lo; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) { + lo = readl_be(regs + (page << 8) + reg); + hi = readl_be(regs + (page << 8) + reg + 4); + } else { + lo = readl(regs + (page << 8) + reg); + hi = readl(regs + (page << 8) + reg + 4); + } + + *val = ((u64)hi << 32) | lo; + + return 0; +} + +static int b53_mmap_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) +{ + u8 __iomem *regs = dev->priv; + + writeb(value, regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_write16(struct b53_device *dev, u8 page, u8 reg, + u16 value) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 2)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) + writew_be(value, regs + (page << 8) + reg); + else + writew(value, regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_write32(struct b53_device *dev, u8 page, u8 reg, + u32 value) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) + writel_be(value, regs + (page << 8) + reg); + else + writel(value, regs + (page << 8) + reg); + + return 0; +} + +static int b53_mmap_write48(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) { + writel_be((u32)(value >> 16), regs + (page << 8) + reg); + writew_be((u16)value, regs + (page << 8) + reg + 4); + } else { + writel((u32)value, regs + (page << 8) + reg); + writew((u16)(value >> 32), regs + (page << 8) + reg + 4); + } + + return 0; +} + +static int b53_mmap_write64(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + u8 __iomem *regs = dev->priv; + + if (WARN_ON(reg % 4)) + return -EINVAL; + + if (dev->pdata && dev->pdata->big_endian) { + writel_be((u32)(value >> 32), regs + (page << 8) + reg); + writel_be((u32)value, regs + (page << 8) + reg + 4); + } else { + writel((u32)value, regs + (page << 8) + reg); + writel((u32)(value >> 32), regs + (page << 8) + reg + 4); + } + + return 0; +} + +static struct b53_io_ops b53_mmap_ops = { + .read8 = b53_mmap_read8, + .read16 = b53_mmap_read16, + .read32 = b53_mmap_read32, + .read48 = b53_mmap_read48, + .read64 = b53_mmap_read64, + .write8 = b53_mmap_write8, + .write16 = b53_mmap_write16, + .write32 = b53_mmap_write32, + .write48 = b53_mmap_write48, + .write64 = b53_mmap_write64, +}; + +static int b53_mmap_probe(struct platform_device *pdev) +{ + struct b53_platform_data *pdata = pdev->dev.platform_data; + struct b53_device *dev; + + if (!pdata) + return -EINVAL; + + dev = b53_switch_alloc(&pdev->dev, &b53_mmap_ops, pdata->regs); + if (!dev) + return -ENOMEM; + + if (pdata) + dev->pdata = pdata; + + pdev->dev.platform_data = dev; + + return b53_switch_register(dev); +} + +static int b53_mmap_remove(struct platform_device *pdev) +{ + struct b53_device *dev = pdev->dev.platform_data; + + if (dev) { + pdev->dev.platform_data = dev->pdata; + b53_switch_remove(dev); + } + + return 0; +} + +static struct platform_driver b53_mmap_driver = { + .probe = b53_mmap_probe, + .remove = b53_mmap_remove, + .driver = { + .name = "b53-switch", + }, +}; + +module_platform_driver(b53_mmap_driver); +MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>"); +MODULE_DESCRIPTION("B53 MMAP access driver"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_phy_fixup.c b/target/linux/generic/files/drivers/net/phy/b53/b53_phy_fixup.c new file mode 100644 index 0000000000..447f30b649 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_phy_fixup.c @@ -0,0 +1,53 @@ +/* + * B53 PHY Fixup call + * + * Copyright (C) 2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/phy.h> + +#define B53_PSEUDO_PHY 0x1e /* Register Access Pseudo PHY */ + +#define B53_BRCM_OUI_1 0x0143bc00 +#define B53_BRCM_OUI_2 0x03625c00 + +static int b53_phy_fixup(struct phy_device *dev) +{ + u32 phy_id; + struct mii_bus *bus = dev->bus; + + if (dev->addr != B53_PSEUDO_PHY) + return 0; + + /* read the first port's id */ + phy_id = mdiobus_read(bus, 0, 2) << 16; + phy_id |= mdiobus_read(bus, 0, 3); + + if ((phy_id & 0xfffffc00) == B53_BRCM_OUI_1 || + (phy_id & 0xfffffc00) == B53_BRCM_OUI_2) { + dev->phy_id = phy_id; + } + + return 0; +} + +int __init b53_phy_fixup_register(void) +{ + return phy_register_fixup_for_id(PHY_ANY_ID, b53_phy_fixup); +} + +subsys_initcall(b53_phy_fixup_register); diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h b/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h new file mode 100644 index 0000000000..fca74ae4b9 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h @@ -0,0 +1,278 @@ +/* + * B53 common definitions + * + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __B53_PRIV_H +#define __B53_PRIV_H + +#include <linux/kernel.h> +#include <linux/mutex.h> +#include <linux/switch.h> + +struct b53_device; + +struct b53_io_ops { + int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value); + int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value); + int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value); + int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value); + int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value); + int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value); + int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value); + int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value); + int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value); + int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value); +}; + +enum { + BCM5325_DEVICE_ID = 0x25, + BCM5365_DEVICE_ID = 0x65, + BCM5395_DEVICE_ID = 0x95, + BCM5397_DEVICE_ID = 0x97, + BCM5398_DEVICE_ID = 0x98, + BCM53115_DEVICE_ID = 0x53115, + BCM53125_DEVICE_ID = 0x53125, + BCM63XX_DEVICE_ID = 0x6300, +}; + +#define B53_N_PORTS 9 +#define B53_N_PORTS_25 6 + +struct b53_vlan { + unsigned int members:B53_N_PORTS; + unsigned int untag:B53_N_PORTS; +}; + +struct b53_port { + unsigned int pvid:12; +}; + +struct b53_device { + struct switch_dev sw_dev; + struct b53_platform_data *pdata; + + struct mutex reg_mutex; + const struct b53_io_ops *ops; + + /* chip specific data */ + u32 chip_id; + u8 core_rev; + u8 vta_regs[3]; + u8 duplex_reg; + u8 jumbo_pm_reg; + u8 jumbo_size_reg; + + /* used ports mask */ + u16 enabled_ports; + + /* connect specific data */ + u8 current_page; + struct device *dev; + void *priv; + + /* run time configuration */ + unsigned enable_vlan:1; + unsigned enable_jumbo:1; + unsigned allow_vid_4095:1; + + struct b53_port *ports; + struct b53_vlan *vlans; + + char *buf; +}; + +#define b53_for_each_port(dev, i) \ + for (i = 0; i < B53_N_PORTS; i++) \ + if (dev->enabled_ports & BIT(i)) + + + +static inline int is5325(struct b53_device *dev) +{ + return dev->chip_id == BCM5325_DEVICE_ID; +} + +static inline int is5365(struct b53_device *dev) +{ +#ifdef CONFIG_BCM47XX + return dev->chip_id == BCM5365_DEVICE_ID; +#else + return 0; +#endif +} + +static inline int is5397_98(struct b53_device *dev) +{ + return dev->chip_id == BCM5397_DEVICE_ID || + dev->chip_id == BCM5398_DEVICE_ID; +} + +static inline int is531x5(struct b53_device *dev) +{ + return dev->chip_id == BCM53115_DEVICE_ID || + dev->chip_id == BCM53125_DEVICE_ID; +} + +static inline int is63xx(struct b53_device *dev) +{ +#ifdef CONFIG_BCM63XX + return dev->chip_id == BCM63XX_DEVICE_ID; +#else + return 0; +#endif +} + +#define B53_CPU_PORT_25 5 +#define B53_CPU_PORT 8 + +static inline int is_cpu_port(struct b53_device *dev, int port) +{ + return dev->sw_dev.cpu_port == port; +} + +static inline struct b53_device *sw_to_b53(struct switch_dev *sw) +{ + return container_of(sw, struct b53_device, sw_dev); +} + +struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops, + void *priv); + +int b53_switch_detect(struct b53_device *dev); + +int b53_switch_register(struct b53_device *dev); + +static inline void b53_switch_remove(struct b53_device *dev) +{ + unregister_switch(&dev->sw_dev); +} + +static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->read8(dev, page, reg, val); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->read16(dev, page, reg, val); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->read32(dev, page, reg, val); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->read48(dev, page, reg, val); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->read64(dev, page, reg, val); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->write8(dev, page, reg, value); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg, + u16 value) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->write16(dev, page, reg, value); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg, + u32 value) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->write32(dev, page, reg, value); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->write48(dev, page, reg, value); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg, + u64 value) +{ + int ret; + + mutex_lock(&dev->reg_mutex); + ret = dev->ops->write64(dev, page, reg, value); + mutex_unlock(&dev->reg_mutex); + + return ret; +} + +#endif diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_regs.h b/target/linux/generic/files/drivers/net/phy/b53/b53_regs.h new file mode 100644 index 0000000000..7b8f539be0 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_regs.h @@ -0,0 +1,308 @@ +/* + * B53 register definitions + * + * Copyright (C) 2004 Broadcom Corporation + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __B53_REGS_H +#define __B53_REGS_H + +/* Management Port (SMP) Page offsets */ +#define B53_CTRL_PAGE 0x00 /* Control */ +#define B53_STAT_PAGE 0x01 /* Status */ +#define B53_MGMT_PAGE 0x02 /* Management Mode */ +#define B53_MIB_AC_PAGE 0x03 /* MIB Autocast */ +#define B53_ARLCTRL_PAGE 0x04 /* ARL Control */ +#define B53_ARLIO_PAGE 0x05 /* ARL Access */ +#define B53_FRAMEBUF_PAGE 0x06 /* Management frame access */ +#define B53_MEM_ACCESS_PAGE 0x08 /* Memory access */ + +/* PHY Registers */ +#define B53_PORT_MII_PAGE(i) (0x10 + i) /* Port i MII Registers */ +#define B53_IM_PORT_PAGE 0x18 /* Inverse MII Port (to EMAC) */ +#define B53_ALL_PORT_PAGE 0x19 /* All ports MII (broadcast) */ + +/* MIB registers */ +#define B53_MIB_PAGE(i) (0x20 + i) + +/* Quality of Service (QoS) Registers */ +#define B53_QOS_PAGE 0x30 + +/* Port VLAN Page */ +#define B53_PVLAN_PAGE 0x31 + +/* VLAN Registers */ +#define B53_VLAN_PAGE 0x34 + +/* Jumbo Frame Registers */ +#define B53_JUMBO_PAGE 0x40 + +/************************************************************************* + * Control Page registers + *************************************************************************/ + +/* Port Control Register (8 bit) */ +#define B53_PORT_CTRL(i) (0x00 + i) +#define PORT_CTRL_RX_DISABLE BIT(0) +#define PORT_CTRL_TX_DISABLE BIT(1) +#define PORT_CTRL_RX_BCST_EN BIT(2) /* Broadcast RX (P8 only) */ +#define PORT_CTRL_RX_MCST_EN BIT(3) /* Multicast RX (P8 only) */ +#define PORT_CTRL_RX_UCST_EN BIT(4) /* Unicast RX (P8 only) */ +#define PORT_CTRL_STP_STATE_S 5 +#define PORT_CTRL_STP_STATE_MASK (0x3 << PORT_CTRL_STP_STATE_S) + +/* SMP Control Register (8 bit) */ +#define B53_SMP_CTRL 0x0a + +/* Switch Mode Control Register (8 bit) */ +#define B53_SWITCH_MODE 0x0b +#define SM_SW_FWD_MODE BIT(0) /* 1 = Managed Mode */ +#define SM_SW_FWD_EN BIT(1) /* Forwarding Enable */ + +/* IMP Port state override register (8 bit) */ +#define B53_PORT_OVERRIDE_CTRL 0x0e +#define PORT_OVERRIDE_LINK BIT(0) +#define PORT_OVERRIDE_HALF_DUPLEX BIT(1) /* 0 = Full Duplex */ +#define PORT_OVERRIDE_SPEED_S 2 +#define PORT_OVERRIDE_SPEED_10M (0 << PORT_OVERRIDE_SPEED_S) +#define PORT_OVERRIDE_SPEED_100M (1 << PORT_OVERRIDE_SPEED_S) +#define PORT_OVERRIDE_SPEED_1000M (2 << PORT_OVERRIDE_SPEED_S) +#define PORT_OVERRIDE_RV_MII_25 BIT(4) /* BCM5325 only */ +#define PORT_OVERRIDE_RX_FLOW BIT(4) +#define PORT_OVERRIDE_TX_FLOW BIT(5) +#define PORT_OVERRIDE_EN BIT(7) /* Use the register contents */ + +/* Power-down mode control */ +#define B53_PD_MODE_CTRL_25 0x0f + +/* IP Multicast control (8 bit) */ +#define B53_IP_MULTICAST_CTRL 0x21 +#define B53_IPMC_FWD_EN BIT(1) +#define B53_UC_FWD_EN BIT(6) +#define B53_MC_FWD_EN BIT(7) + +/* (16 bit) */ +#define B53_UC_FLOOD_MASK 0x32 +#define B53_MC_FLOOD_MASK 0x34 +#define B53_IPMC_FLOOD_MASK 0x36 + +/* Software reset register (8 bit) */ +#define B53_SOFTRESET 0x79 + +/* Fast Aging Control register (8 bit) */ +#define B53_FAST_AGE_CTRL 0x88 +#define FAST_AGE_STATIC BIT(0) +#define FAST_AGE_DYNAMIC BIT(1) +#define FAST_AGE_PORT BIT(2) +#define FAST_AGE_VLAN BIT(3) +#define FAST_AGE_STP BIT(4) +#define FAST_AGE_MC BIT(5) +#define FAST_AGE_DONE BIT(7) + +/************************************************************************* + * Status Page registers + *************************************************************************/ + +/* Link Status Summary Register (16bit) */ +#define B53_LINK_STAT 0x00 + +/* Link Status Change Register (16 bit) */ +#define B53_LINK_STAT_CHANGE 0x02 + +/* Port Speed Summary Register (16 bit for FE, 32 bit for GE) */ +#define B53_SPEED_STAT 0x04 +#define SPEED_PORT_FE(reg, port) (((reg) >> (port)) & 1) +#define SPEED_PORT_GE(reg, port) (((reg) >> 2 * (port)) & 3) +#define SPEED_STAT_10M 0 +#define SPEED_STAT_100M 1 +#define SPEED_STAT_1000M 2 + +/* Duplex Status Summary (16 bit) */ +#define B53_DUPLEX_STAT_FE 0x06 +#define B53_DUPLEX_STAT_GE 0x08 +#define B53_DUPLEX_STAT_63XX 0x0c + +/* Strap Value (48 bit) */ +#define B53_STRAP_VALUE 0x70 +#define SV_GMII_CTRL_115 BIT(27) + +/************************************************************************* + * Management Mode Page Registers + *************************************************************************/ + +/* Global Management Config Register (8 bit) */ +#define B53_GLOBAL_CONFIG 0x00 +#define GC_RESET_MIB 0x01 +#define GC_RX_BPDU_EN 0x02 +#define GC_MIB_AC_HDR_EN 0x10 +#define GC_MIB_AC_EN 0x20 +#define GC_FRM_MGMT_PORT_M 0xC0 +#define GC_FRM_MGMT_PORT_04 0x00 +#define GC_FRM_MGMT_PORT_MII 0x80 + +/* Device ID register (8 or 32 bit) */ +#define B53_DEVICE_ID 0x30 + +/* Revision ID register (8 bit) */ +#define B53_REV_ID 0x40 + +/************************************************************************* + * ARL Access Page Registers + *************************************************************************/ + +/* VLAN Table Access Register (8 bit) */ +#define B53_VT_ACCESS 0x80 +#define B53_VT_ACCESS_9798 0x60 /* for BCM5397/BCM5398 */ +#define B53_VT_ACCESS_63XX 0x60 /* for BCM6328/62/68 */ +#define VTA_CMD_WRITE 0 +#define VTA_CMD_READ 1 +#define VTA_CMD_CLEAR 2 +#define VTA_START_CMD BIT(7) + +/* VLAN Table Index Register (16 bit) */ +#define B53_VT_INDEX 0x81 +#define B53_VT_INDEX_9798 0x61 +#define B53_VT_INDEX_63XX 0x62 + +/* VLAN Table Entry Register (32 bit) */ +#define B53_VT_ENTRY 0x83 +#define B53_VT_ENTRY_9798 0x63 +#define B53_VT_ENTRY_63XX 0x64 +#define VTE_MEMBERS 0x1ff +#define VTE_UNTAG_S 9 +#define VTE_UNTAG (0x1ff << 9) + +/************************************************************************* + * Port VLAN Registers + *************************************************************************/ + +/* Port VLAN mask (16 bit) IMP port is always 8, also on 5325 & co */ +#define B53_PVLAN_PORT_MASK(i) ((i) * 2) + +/************************************************************************* + * 802.1Q Page Registers + *************************************************************************/ + +/* Global QoS Control (8 bit) */ +#define B53_QOS_GLOBAL_CTL 0x00 + +/* Enable 802.1Q for individual Ports (16 bit) */ +#define B53_802_1P_EN 0x04 + +/************************************************************************* + * VLAN Page Registers + *************************************************************************/ + +/* VLAN Control 0 (8 bit) */ +#define B53_VLAN_CTRL0 0x00 +#define VC0_8021PF_CTRL_MASK 0x3 +#define VC0_8021PF_CTRL_NONE 0x0 +#define VC0_8021PF_CTRL_CHANGE_PRI 0x1 +#define VC0_8021PF_CTRL_CHANGE_VID 0x2 +#define VC0_8021PF_CTRL_CHANGE_BOTH 0x3 +#define VC0_8021QF_CTRL_MASK 0xc +#define VC0_8021QF_CTRL_CHANGE_PRI 0x1 +#define VC0_8021QF_CTRL_CHANGE_VID 0x2 +#define VC0_8021QF_CTRL_CHANGE_BOTH 0x3 +#define VC0_RESERVED_1 BIT(1) +#define VC0_DROP_VID_MISS BIT(4) +#define VC0_VID_HASH_VID BIT(5) +#define VC0_VID_CHK_EN BIT(6) /* Use VID,DA or VID,SA */ +#define VC0_VLAN_EN BIT(7) /* 802.1Q VLAN Enabled */ + +/* VLAN Control 1 (8 bit) */ +#define B53_VLAN_CTRL1 0x01 +#define VC1_RX_MCST_TAG_EN BIT(1) +#define VC1_RX_MCST_FWD_EN BIT(2) +#define VC1_RX_MCST_UNTAG_EN BIT(3) + +/* VLAN Control 2 (8 bit) */ +#define B53_VLAN_CTRL2 0x02 + +/* VLAN Control 3 (8 bit when BCM5325, 16 bit else) */ +#define B53_VLAN_CTRL3 0x03 +#define B53_VLAN_CTRL3_63XX 0x04 +#define VC3_MAXSIZE_1532 BIT(6) /* 5325 only */ +#define VC3_HIGH_8BIT_EN BIT(7) /* 5325 only */ + +/* VLAN Control 4 (8 bit) */ +#define B53_VLAN_CTRL4 0x05 +#define B53_VLAN_CTRL4_25 0x04 +#define B53_VLAN_CTRL4_63XX 0x06 +#define VC4_ING_VID_CHECK_S 6 +#define VC4_ING_VID_CHECK_MASK (0x3 << VC4_ING_VID_CHECK_S) +#define VC4_ING_VID_VIO_FWD 0 /* forward, but do not learn */ +#define VC4_ING_VID_VIO_DROP 1 /* drop VID violations */ +#define VC4_NO_ING_VID_CHK 2 /* do not check */ +#define VC4_ING_VID_VIO_TO_IMP 3 /* redirect to MII port */ + +/* VLAN Control 5 (8 bit) */ +#define B53_VLAN_CTRL5 0x06 +#define B53_VLAN_CTRL5_25 0x05 +#define B53_VLAN_CTRL5_63XX 0x07 +#define VC5_VID_FFF_EN BIT(2) +#define VC5_DROP_VTABLE_MISS BIT(3) + +/* VLAN Control 6 (8 bit) */ +#define B53_VLAN_CTRL6 0x07 +#define B53_VLAN_CTRL6_63XX 0x08 + +/* VLAN Table Access Register (16 bit) */ +#define B53_VLAN_TABLE_ACCESS_25 0x06 /* BCM5325E/5350 */ +#define B53_VLAN_TABLE_ACCESS_65 0x08 /* BCM5365 */ +#define VTA_VID_LOW_MASK_25 0xf +#define VTA_VID_LOW_MASK_65 0xff +#define VTA_VID_HIGH_S_25 4 +#define VTA_VID_HIGH_S_65 8 +#define VTA_VID_HIGH_MASK_25 (0xff << VTA_VID_HIGH_S_25E) +#define VTA_VID_HIGH_MASK_65 (0xf << VTA_VID_HIGH_S_65) +#define VTA_RW_STATE BIT(12) +#define VTA_RW_STATE_RD 0 +#define VTA_RW_STATE_WR BIT(12) +#define VTA_RW_OP_EN BIT(13) + +/* VLAN Read/Write Registers for (16/32 bit) */ +#define B53_VLAN_WRITE_25 0x08 +#define B53_VLAN_WRITE_65 0x0a +#define B53_VLAN_READ 0x0c +#define VA_MEMBER_MASK 0x3f +#define VA_UNTAG_S 6 +#define VA_UNTAG_MASK (0x3f << VA_UNTAG_S) +#define VA_VID_HIGH_S 12 +#define VA_VID_HIGH_MASK (0xffff << VA_VID_HIGH_S) +#define VA_VALID_25 BIT(20) +#define VA_VALID_25_R4 BIT(24) +#define VA_VALID_65 BIT(14) + +/* VLAN Port Default Tag (16 bit) */ +#define B53_VLAN_PORT_DEF_TAG(i) (0x10 + 2 * (i)) + +/************************************************************************* + * Jumbo Frame Page Registers + *************************************************************************/ + +/* Jumbo Enable Port Mask (bit i == port i enabled) (32 bit) */ +#define B53_JUMBO_PORT_MASK 0x01 +#define B53_JUMBO_PORT_MASK_63XX 0x04 +#define JPM_10_100_JUMBO_EN BIT(24) /* GigE always enabled */ + +/* Good Frame Max Size without 802.1Q TAG (16 bit) */ +#define B53_JUMBO_MAX_SIZE 0x05 +#define B53_JUMBO_MAX_SIZE_63XX 0x08 +#define JMS_MIN_SIZE 1518 +#define JMS_MAX_SIZE 9724 + +#endif /* !__B53_REGS_H */ diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_spi.c b/target/linux/generic/files/drivers/net/phy/b53/b53_spi.c new file mode 100644 index 0000000000..9c70d1f043 --- /dev/null +++ b/target/linux/generic/files/drivers/net/phy/b53/b53_spi.c @@ -0,0 +1,329 @@ +/* + * B53 register access through SPI + * + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <asm/unaligned.h> + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/spi/spi.h> +#include <linux/platform_data/b53.h> + +#include "b53_priv.h" + +#define B53_SPI_DATA 0xf0 + +#define B53_SPI_STATUS 0xfe +#define B53_SPI_CMD_SPIF BIT(7) +#define B53_SPI_CMD_RACK BIT(5) + +#define B53_SPI_CMD_READ 0x00 +#define B53_SPI_CMD_WRITE 0x01 +#define B53_SPI_CMD_NORMAL 0x60 +#define B53_SPI_CMD_FAST 0x10 + +#define B53_SPI_PAGE_SELECT 0xff + +static inline int b53_spi_read_reg(struct spi_device *spi, u8 reg, u8 *val, + unsigned len) +{ + u8 txbuf[2]; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_READ; + txbuf[1] = reg; + + return spi_write_then_read(spi, txbuf, 2, val, len); +} + +static inline int b53_spi_clear_status(struct spi_device *spi) +{ + unsigned int i; + u8 rxbuf; + int ret; + + for (i = 0; i < 10; i++) { + ret = b53_spi_read_reg(spi, B53_SPI_STATUS, &rxbuf, 1); + if (ret) + return ret; + + if (!(rxbuf & B53_SPI_CMD_SPIF)) + break; + + mdelay(1); + } + + if (i == 10) + return -EIO; + + return 0; +} + +static inline int b53_spi_set_page(struct spi_device *spi, u8 page) +{ + u8 txbuf[3]; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = B53_SPI_PAGE_SELECT; + txbuf[2] = page; + + return spi_write(spi, txbuf, sizeof(txbuf)); +} + +static inline int b53_prepare_reg_access(struct spi_device *spi, u8 page) +{ + int ret = b53_spi_clear_status(spi); + if (ret) + return ret; + + return b53_spi_set_page(spi, page); +} + +static int b53_spi_prepare_reg_read(struct spi_device *spi, u8 reg) +{ + u8 rxbuf; + int retry_count; + int ret; + + ret = b53_spi_read_reg(spi, reg, &rxbuf, 1); + if (ret) + return ret; + + for (retry_count = 0; retry_count < 10; retry_count++) { + ret = b53_spi_read_reg(spi, B53_SPI_STATUS, &rxbuf, 1); + if (ret) + return ret; + + if (rxbuf & B53_SPI_CMD_RACK) + break; + + mdelay(1); + } + + if (retry_count == 10) + return -EIO; + + return 0; +} + +static int b53_spi_read(struct b53_device *dev, u8 page, u8 reg, u8 *data, + unsigned len) +{ + struct spi_device *spi = dev->priv; + int ret; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + ret = b53_spi_prepare_reg_read(spi, reg); + if (ret) + return ret; + + return b53_spi_read_reg(spi, B53_SPI_DATA, data, len); +} + +static int b53_spi_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) +{ + return b53_spi_read(dev, page, reg, val, 1); +} + +static int b53_spi_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) +{ + int ret = b53_spi_read(dev, page, reg, (u8 *)val, 2); + if (!ret) + *val = le16_to_cpu(*val); + + return ret; +} + +static int b53_spi_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) +{ + int ret = b53_spi_read(dev, page, reg, (u8 *)val, 4); + if (!ret) + *val = le32_to_cpu(*val); + + return ret; +} + +static int b53_spi_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + int ret; + + *val = 0; + ret = b53_spi_read(dev, page, reg, (u8 *)val, 6); + if (!ret) + *val = le64_to_cpu(*val); + + return ret; +} + +static int b53_spi_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) +{ + int ret = b53_spi_read(dev, page, reg, (u8 *)val, 8); + if (!ret) + *val = le64_to_cpu(*val); + + return ret; +} + +static int b53_spi_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) +{ + struct spi_device *spi = dev->priv; + int ret; + u8 txbuf[3]; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = reg; + txbuf[2] = value; + + return spi_write(spi, txbuf, sizeof(txbuf)); +} + +static int b53_spi_write16(struct b53_device *dev, u8 page, u8 reg, u16 value) +{ + struct spi_device *spi = dev->priv; + int ret; + u8 txbuf[4]; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = reg; + put_unaligned_le16(value, &txbuf[2]); + + return spi_write(spi, txbuf, sizeof(txbuf)); +} + +static int b53_spi_write32(struct b53_device *dev, u8 page, u8 reg, u32 value) +{ + struct spi_device *spi = dev->priv; + int ret; + u8 txbuf[6]; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = reg; + put_unaligned_le32(value, &txbuf[2]); + + return spi_write(spi, txbuf, sizeof(txbuf)); +} + +static int b53_spi_write48(struct b53_device *dev, u8 page, u8 reg, u64 value) +{ + struct spi_device *spi = dev->priv; + int ret; + u8 txbuf[10]; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = reg; + put_unaligned_le64(value, &txbuf[2]); + + return spi_write(spi, txbuf, sizeof(txbuf) - 2); +} + +static int b53_spi_write64(struct b53_device *dev, u8 page, u8 reg, u64 value) +{ + struct spi_device *spi = dev->priv; + int ret; + u8 txbuf[10]; + + ret = b53_prepare_reg_access(spi, page); + if (ret) + return ret; + + txbuf[0] = B53_SPI_CMD_NORMAL | B53_SPI_CMD_WRITE; + txbuf[1] = reg; + put_unaligned_le64(value, &txbuf[2]); + + return spi_write(spi, txbuf, sizeof(txbuf)); +} + +static struct b53_io_ops b53_spi_ops = { + .read8 = b53_spi_read8, + .read16 = b53_spi_read16, + .read32 = b53_spi_read32, + .read48 = b53_spi_read48, + .read64 = b53_spi_read64, + .write8 = b53_spi_write8, + .write16 = b53_spi_write16, + .write32 = b53_spi_write32, + .write48 = b53_spi_write48, + .write64 = b53_spi_write64, +}; + +static int __devinit b53_spi_probe(struct spi_device *spi) +{ + struct b53_device *dev; + int ret; + + dev = b53_switch_alloc(&spi->dev, &b53_spi_ops, spi); + if (!dev) + return -ENOMEM; + + if (spi->dev.platform_data) + dev->pdata = spi->dev.platform_data; + + ret = b53_switch_register(dev); + if (ret) + return ret; + + spi->dev.platform_data = dev; + + return 0; +} + +static int __devexit b53_spi_remove(struct spi_device *spi) +{ + struct b53_device *dev = spi->dev.platform_data; + + if (dev) { + struct b53_platform_data *pdata = dev->pdata; + b53_switch_remove(dev); + spi->dev.platform_data = pdata; + } + + return 0; +} + +static struct spi_driver b53_spi_driver = { + .driver = { + .name = "b53-switch", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = b53_spi_probe, + .remove = __devexit_p(b53_spi_remove), +}; + +module_spi_driver(b53_spi_driver); + +MODULE_AUTHOR("Jonas Gorski <jogo@openwrt.org>"); +MODULE_DESCRIPTION("B53 SPI access driver"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/target/linux/generic/files/include/linux/platform_data/b53.h b/target/linux/generic/files/include/linux/platform_data/b53.h new file mode 100644 index 0000000000..78427417a1 --- /dev/null +++ b/target/linux/generic/files/include/linux/platform_data/b53.h @@ -0,0 +1,36 @@ +/* + * B53 platform data + * + * Copyright (C) 2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __B53_H +#define __B53_H + +#include <linux/kernel.h> + +struct b53_platform_data { + u32 chip_id; + u16 enabled_ports; + + /* allow to specify an ethX alias */ + const char *alias; + + /* only used by MMAP'd driver */ + unsigned big_endian:1; + void __iomem *regs; +}; + +#endif diff --git a/target/linux/generic/patches-3.6/730-phy_b53.patch b/target/linux/generic/patches-3.6/730-phy_b53.patch new file mode 100644 index 0000000000..3922d474dd --- /dev/null +++ b/target/linux/generic/patches-3.6/730-phy_b53.patch @@ -0,0 +1,21 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -234,6 +234,8 @@ config RTL8367B_PHY + + endif # RTL8366_SMI + ++source "drivers/net/phy/b53/Kconfig" ++ + endif # PHYLIB + + config MICREL_KS8995MA +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -31,6 +31,7 @@ obj-$(CONFIG_RTL8367B_PHY) += rtl8367b.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_MICREL_PHY) += micrel.o + obj-$(CONFIG_PSB6970_PHY) += psb6970.o ++obj-$(CONFIG_B53) += b53/ + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o + obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o diff --git a/target/linux/generic/patches-3.7/730-phy_b53.patch b/target/linux/generic/patches-3.7/730-phy_b53.patch new file mode 100644 index 0000000000..75972e58d6 --- /dev/null +++ b/target/linux/generic/patches-3.7/730-phy_b53.patch @@ -0,0 +1,21 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -252,6 +252,8 @@ config RTL8367B_PHY + + endif # RTL8366_SMI + ++source "drivers/net/phy/b53/Kconfig" ++ + endif # PHYLIB + + config MICREL_KS8995MA +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -31,6 +31,7 @@ obj-$(CONFIG_RTL8367B_PHY) += rtl8367b.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_MICREL_PHY) += micrel.o + obj-$(CONFIG_PSB6970_PHY) += psb6970.o ++obj-$(CONFIG_B53) += b53/ + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o + obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o diff --git a/target/linux/generic/patches-3.8/730-phy_b53.patch b/target/linux/generic/patches-3.8/730-phy_b53.patch new file mode 100644 index 0000000000..75972e58d6 --- /dev/null +++ b/target/linux/generic/patches-3.8/730-phy_b53.patch @@ -0,0 +1,21 @@ +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -252,6 +252,8 @@ config RTL8367B_PHY + + endif # RTL8366_SMI + ++source "drivers/net/phy/b53/Kconfig" ++ + endif # PHYLIB + + config MICREL_KS8995MA +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -31,6 +31,7 @@ obj-$(CONFIG_RTL8367B_PHY) += rtl8367b.o + obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o + obj-$(CONFIG_MICREL_PHY) += micrel.o + obj-$(CONFIG_PSB6970_PHY) += psb6970.o ++obj-$(CONFIG_B53) += b53/ + obj-$(CONFIG_FIXED_PHY) += fixed.o + obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o + obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o |