From: Lennert Buytenhek Date: Fri, 20 Mar 2009 09:50:39 +0000 (+0000) Subject: dsa: add support for the Marvell 88E6095/6095F switch chips X-Git-Tag: v2.6.30-rc1~662^2~146 X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=076d3e10a54caa2c148de5732c126c7a31381d48 dsa: add support for the Marvell 88E6095/6095F switch chips Add support for the Marvell 88E6095/6095F switch chips. These chips are similar to the 88e6131, so we can add the support to mv88e6131.c easily. Thanks to Gary Thomas and Jesper Dangaard Brouer for testing various patches. Signed-off-by: Lennert Buytenhek Tested-by: Gary Thomas Signed-off-by: David S. Miller --- diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index 49211b3..c51b554 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -41,13 +41,13 @@ config NET_DSA_MV88E6XXX_NEED_PPU default n config NET_DSA_MV88E6131 - bool "Marvell 88E6131 ethernet switch chip support" + bool "Marvell 88E6095/6095F/6131 ethernet switch chip support" select NET_DSA_MV88E6XXX select NET_DSA_MV88E6XXX_NEED_PPU select NET_DSA_TAG_DSA ---help--- - This enables support for the Marvell 88E6131 ethernet switch - chip. + This enables support for the Marvell 88E6095/6095F/6131 + ethernet switch chips. config NET_DSA_MV88E6123_61_65 bool "Marvell 88E6123/6161/6165 ethernet switch chip support" diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c index 70fae24..0029957 100644 --- a/net/dsa/mv88e6131.c +++ b/net/dsa/mv88e6131.c @@ -1,6 +1,6 @@ /* - * net/dsa/mv88e6131.c - Marvell 88e6131 switch chip support - * Copyright (c) 2008 Marvell Semiconductor + * net/dsa/mv88e6131.c - Marvell 88e6095/6095f/6131 switch chip support + * Copyright (c) 2008-2009 Marvell Semiconductor * * 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 @@ -21,6 +21,8 @@ static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr) ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03); if (ret >= 0) { ret &= 0xfff0; + if (ret == 0x0950) + return "Marvell 88E6095/88E6095F"; if (ret == 0x1060) return "Marvell 88E6131"; } @@ -36,7 +38,7 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds) /* * Set all ports to the disabled state. */ - for (i = 0; i < 8; i++) { + for (i = 0; i < 11; i++) { ret = REG_READ(REG_PORT(i), 0x04); REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc); } @@ -136,7 +138,7 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) * Clear all trunk masks. */ for (i = 0; i < 8; i++) - REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0xff); + REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0x7ff); /* * Clear all trunk mappings. @@ -159,9 +161,13 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p) /* * MAC Forcing register: don't force link, speed, duplex - * or flow control state to any particular values. + * or flow control state to any particular values on physical + * ports, but force the CPU port to 1000 Mb/s full duplex. */ - REG_WRITE(addr, 0x01, 0x0003); + if (p == ds->cpu_port) + REG_WRITE(addr, 0x01, 0x003e); + else + REG_WRITE(addr, 0x01, 0x0003); /* * Port Control: disable Core Tag, disable Drop-on-Lock, @@ -268,7 +274,7 @@ static int mv88e6131_setup(struct dsa_switch *ds) if (ret < 0) return ret; - for (i = 0; i < 6; i++) { + for (i = 0; i < 11; i++) { ret = mv88e6131_setup_port(ds, i); if (ret < 0) return ret; @@ -279,7 +285,7 @@ static int mv88e6131_setup(struct dsa_switch *ds) static int mv88e6131_port_to_phy_addr(int port) { - if (port >= 0 && port != 3 && port <= 7) + if (port >= 0 && port <= 11) return port; return -1; }