diff options
Diffstat (limited to 'target/linux/octeon/patches-3.14/0010-MIPS-octeon-Add-interface-mode-detection-for-Octeon-.patch')
| -rw-r--r-- | target/linux/octeon/patches-3.14/0010-MIPS-octeon-Add-interface-mode-detection-for-Octeon-.patch | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/target/linux/octeon/patches-3.14/0010-MIPS-octeon-Add-interface-mode-detection-for-Octeon-.patch b/target/linux/octeon/patches-3.14/0010-MIPS-octeon-Add-interface-mode-detection-for-Octeon-.patch new file mode 100644 index 0000000000..2002dd1d76 --- /dev/null +++ b/target/linux/octeon/patches-3.14/0010-MIPS-octeon-Add-interface-mode-detection-for-Octeon-.patch @@ -0,0 +1,202 @@ +From d8ce75934b888df0bd73dfd9c030a2b034a04977 Mon Sep 17 00:00:00 2001 +From: Alex Smith <alex.smith@imgtec.com> +Date: Thu, 29 May 2014 11:10:01 +0100 +Subject: [PATCH] MIPS: octeon: Add interface mode detection for Octeon II + +Add interface mode detection for Octeon II. This is necessary to detect +the interface modes correctly on the UBNT E200 board. Code is taken +from the UBNT GPL source release, with some alterations: SRIO, ILK and +RXAUI interface modes are removed and instead return disabled as these +modes are not currently supported. + +Signed-off-by: Alex Smith <alex.smith@imgtec.com> +Tested-by: David Daney <david.daney@cavium.com> +Cc: linux-mips@linux-mips.org +Patchwork: https://patchwork.linux-mips.org/patch/7039/ +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + arch/mips/cavium-octeon/executive/cvmx-helper.c | 166 ++++++++++++++++++++++++ + 1 file changed, 166 insertions(+) + +--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c ++++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c +@@ -104,6 +104,158 @@ int cvmx_helper_ports_on_interface(int i + } + + /** ++ * @INTERNAL ++ * Return interface mode for CN68xx. ++ */ ++static cvmx_helper_interface_mode_t __cvmx_get_mode_cn68xx(int interface) ++{ ++ union cvmx_mio_qlmx_cfg qlm_cfg; ++ switch (interface) { ++ case 0: ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); ++ /* QLM is disabled when QLM SPD is 15. */ ++ if (qlm_cfg.s.qlm_spd == 15) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ if (qlm_cfg.s.qlm_cfg == 2) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ else if (qlm_cfg.s.qlm_cfg == 3) ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ case 2: ++ case 3: ++ case 4: ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(interface)); ++ /* QLM is disabled when QLM SPD is 15. */ ++ if (qlm_cfg.s.qlm_spd == 15) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ if (qlm_cfg.s.qlm_cfg == 2) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ else if (qlm_cfg.s.qlm_cfg == 3) ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ case 7: ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(3)); ++ /* QLM is disabled when QLM SPD is 15. */ ++ if (qlm_cfg.s.qlm_spd == 15) { ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } else if (qlm_cfg.s.qlm_cfg != 0) { ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(1)); ++ if (qlm_cfg.s.qlm_cfg != 0) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++ return CVMX_HELPER_INTERFACE_MODE_NPI; ++ case 8: ++ return CVMX_HELPER_INTERFACE_MODE_LOOP; ++ default: ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++} ++ ++/** ++ * @INTERNAL ++ * Return interface mode for an Octeon II ++ */ ++static cvmx_helper_interface_mode_t __cvmx_get_mode_octeon2(int interface) ++{ ++ union cvmx_gmxx_inf_mode mode; ++ ++ if (OCTEON_IS_MODEL(OCTEON_CN68XX)) ++ return __cvmx_get_mode_cn68xx(interface); ++ ++ if (interface == 2) ++ return CVMX_HELPER_INTERFACE_MODE_NPI; ++ ++ if (interface == 3) ++ return CVMX_HELPER_INTERFACE_MODE_LOOP; ++ ++ /* Only present in CN63XX & CN66XX Octeon model */ ++ if ((OCTEON_IS_MODEL(OCTEON_CN63XX) && ++ (interface == 4 || interface == 5)) || ++ (OCTEON_IS_MODEL(OCTEON_CN66XX) && ++ interface >= 4 && interface <= 7)) { ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++ ++ if (OCTEON_IS_MODEL(OCTEON_CN66XX)) { ++ union cvmx_mio_qlmx_cfg mio_qlm_cfg; ++ ++ /* QLM2 is SGMII0 and QLM1 is SGMII1 */ ++ if (interface == 0) ++ mio_qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(2)); ++ else if (interface == 1) ++ mio_qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(1)); ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ if (mio_qlm_cfg.s.qlm_spd == 15) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ if (mio_qlm_cfg.s.qlm_cfg == 9) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ else if (mio_qlm_cfg.s.qlm_cfg == 11) ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } else if (OCTEON_IS_MODEL(OCTEON_CN61XX)) { ++ union cvmx_mio_qlmx_cfg qlm_cfg; ++ ++ if (interface == 0) { ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(2)); ++ if (qlm_cfg.s.qlm_cfg == 2) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ else if (qlm_cfg.s.qlm_cfg == 3) ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } else if (interface == 1) { ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); ++ if (qlm_cfg.s.qlm_cfg == 2) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ else if (qlm_cfg.s.qlm_cfg == 3) ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++ } else if (OCTEON_IS_MODEL(OCTEON_CNF71XX)) { ++ if (interface == 0) { ++ union cvmx_mio_qlmx_cfg qlm_cfg; ++ qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); ++ if (qlm_cfg.s.qlm_cfg == 2) ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ } ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++ ++ if (interface == 1 && OCTEON_IS_MODEL(OCTEON_CN63XX)) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface)); ++ ++ if (OCTEON_IS_MODEL(OCTEON_CN63XX)) { ++ switch (mode.cn63xx.mode) { ++ case 0: ++ return CVMX_HELPER_INTERFACE_MODE_SGMII; ++ case 1: ++ return CVMX_HELPER_INTERFACE_MODE_XAUI; ++ default: ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ } ++ } else { ++ if (!mode.s.en) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ if (mode.s.type) ++ return CVMX_HELPER_INTERFACE_MODE_GMII; ++ else ++ return CVMX_HELPER_INTERFACE_MODE_RGMII; ++ } ++} ++ ++/** + * Get the operating mode of an interface. Depending on the Octeon + * chip and configuration, this function returns an enumeration + * of the type of packet I/O supported by an interface. +@@ -116,6 +268,20 @@ int cvmx_helper_ports_on_interface(int i + cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface) + { + union cvmx_gmxx_inf_mode mode; ++ ++ if (interface < 0 || ++ interface >= cvmx_helper_get_number_of_interfaces()) ++ return CVMX_HELPER_INTERFACE_MODE_DISABLED; ++ ++ /* ++ * Octeon II models ++ */ ++ if (OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF71XX)) ++ return __cvmx_get_mode_octeon2(interface); ++ ++ /* ++ * Octeon and Octeon Plus models ++ */ + if (interface == 2) + return CVMX_HELPER_INTERFACE_MODE_NPI; + |