From 75a9da11fea3f1f18536a95d159e8c8c6e740abe Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Thu, 22 Nov 2018 00:37:27 +0200 Subject: MIPS: OCTEON: delete unused loopback configuration functions Delete unused loopback configuration functions. Signed-off-by: Aaro Koskinen Signed-off-by: Paul Burton Patchwork: https://patchwork.linux-mips.org/patch/21205/ Cc: Ralf Baechle Cc: James Hogan Cc: linux-mips@linux-mips.org --- .../cavium-octeon/executive/cvmx-helper-rgmii.c | 68 ---------------------- .../cavium-octeon/executive/cvmx-helper-sgmii.c | 38 ------------ .../cavium-octeon/executive/cvmx-helper-xaui.c | 39 ------------- arch/mips/cavium-octeon/executive/cvmx-helper.c | 54 ----------------- 4 files changed, 199 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c index b8898e2b8a6f..e812ed9a03bb 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c @@ -449,71 +449,3 @@ int __cvmx_helper_rgmii_link_set(int ipd_port, return result; } - -/** - * Configure a port for internal and/or external loopback. Internal loopback - * causes packets sent by the port to be received by Octeon. External loopback - * causes packets received from the wire to sent out again. - * - * @ipd_port: IPD/PKO port to loopback. - * @enable_internal: - * Non zero if you want internal loopback - * @enable_external: - * Non zero if you want external loopback - * - * Returns Zero on success, negative on failure. - */ -int __cvmx_helper_rgmii_configure_loopback(int ipd_port, int enable_internal, - int enable_external) -{ - int interface = cvmx_helper_get_interface_num(ipd_port); - int index = cvmx_helper_get_interface_index_num(ipd_port); - int original_enable; - union cvmx_gmxx_prtx_cfg gmx_cfg; - union cvmx_asxx_prt_loop asxx_prt_loop; - - /* Read the current enable state and save it */ - gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); - original_enable = gmx_cfg.s.en; - /* Force port to be disabled */ - gmx_cfg.s.en = 0; - if (enable_internal) { - /* Force speed if we're doing internal loopback */ - gmx_cfg.s.duplex = 1; - gmx_cfg.s.slottime = 1; - gmx_cfg.s.speed = 1; - cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1); - cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200); - cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000); - } - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); - - /* Set the loopback bits */ - asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface)); - if (enable_internal) - asxx_prt_loop.s.int_loop |= 1 << index; - else - asxx_prt_loop.s.int_loop &= ~(1 << index); - if (enable_external) - asxx_prt_loop.s.ext_loop |= 1 << index; - else - asxx_prt_loop.s.ext_loop &= ~(1 << index); - cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), asxx_prt_loop.u64); - - /* Force enables in internal loopback */ - if (enable_internal) { - uint64_t tmp; - tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface)); - cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), - (1 << index) | tmp); - tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)); - cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), - (1 << index) | tmp); - original_enable = 1; - } - - /* Restore the enable state */ - gmx_cfg.s.en = original_enable; - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); - return 0; -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c index a176358c5a21..f6ebf63dc84c 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c @@ -513,41 +513,3 @@ int __cvmx_helper_sgmii_link_set(int ipd_port, return __cvmx_helper_sgmii_hardware_init_link_speed(interface, index, link_info); } - -/** - * Configure a port for internal and/or external loopback. Internal - * loopback causes packets sent by the port to be received by - * Octeon. External loopback causes packets received from the wire to - * sent out again. - * - * @ipd_port: IPD/PKO port to loopback. - * @enable_internal: - * Non zero if you want internal loopback - * @enable_external: - * Non zero if you want external loopback - * - * Returns Zero on success, negative on failure. - */ -int __cvmx_helper_sgmii_configure_loopback(int ipd_port, int enable_internal, - int enable_external) -{ - int interface = cvmx_helper_get_interface_num(ipd_port); - int index = cvmx_helper_get_interface_index_num(ipd_port); - union cvmx_pcsx_mrx_control_reg pcsx_mrx_control_reg; - union cvmx_pcsx_miscx_ctl_reg pcsx_miscx_ctl_reg; - - pcsx_mrx_control_reg.u64 = - cvmx_read_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface)); - pcsx_mrx_control_reg.s.loopbck1 = enable_internal; - cvmx_write_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface), - pcsx_mrx_control_reg.u64); - - pcsx_miscx_ctl_reg.u64 = - cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface)); - pcsx_miscx_ctl_reg.s.loopbck2 = enable_external; - cvmx_write_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface), - pcsx_miscx_ctl_reg.u64); - - __cvmx_helper_sgmii_hardware_init_link(interface, index); - return 0; -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c index 2bb6912a580d..93a498d05184 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c @@ -319,42 +319,3 @@ int __cvmx_helper_xaui_link_set(int ipd_port, cvmx_helper_link_info_t link_info) /* Bring the link up */ return __cvmx_helper_xaui_enable(interface); } - -/** - * Configure a port for internal and/or external loopback. Internal loopback - * causes packets sent by the port to be received by Octeon. External loopback - * causes packets received from the wire to sent out again. - * - * @ipd_port: IPD/PKO port to loopback. - * @enable_internal: - * Non zero if you want internal loopback - * @enable_external: - * Non zero if you want external loopback - * - * Returns Zero on success, negative on failure. - */ -extern int __cvmx_helper_xaui_configure_loopback(int ipd_port, - int enable_internal, - int enable_external) -{ - int interface = cvmx_helper_get_interface_num(ipd_port); - union cvmx_pcsxx_control1_reg pcsxx_control1_reg; - union cvmx_gmxx_xaui_ext_loopback gmxx_xaui_ext_loopback; - - /* Set the internal loop */ - pcsxx_control1_reg.u64 = - cvmx_read_csr(CVMX_PCSXX_CONTROL1_REG(interface)); - pcsxx_control1_reg.s.loopbck1 = enable_internal; - cvmx_write_csr(CVMX_PCSXX_CONTROL1_REG(interface), - pcsxx_control1_reg.u64); - - /* Set the external loop */ - gmxx_xaui_ext_loopback.u64 = - cvmx_read_csr(CVMX_GMXX_XAUI_EXT_LOOPBACK(interface)); - gmxx_xaui_ext_loopback.s.en = enable_external; - cvmx_write_csr(CVMX_GMXX_XAUI_EXT_LOOPBACK(interface), - gmxx_xaui_ext_loopback.u64); - - /* Take the link through a reset */ - return __cvmx_helper_xaui_enable(interface); -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index 24d13e1845bb..30202ae4e044 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -1239,57 +1239,3 @@ int cvmx_helper_link_set(int ipd_port, cvmx_helper_link_info_t link_info) return result; } EXPORT_SYMBOL_GPL(cvmx_helper_link_set); - -/** - * Configure a port for internal and/or external loopback. Internal loopback - * causes packets sent by the port to be received by Octeon. External loopback - * causes packets received from the wire to sent out again. - * - * @ipd_port: IPD/PKO port to loopback. - * @enable_internal: - * Non zero if you want internal loopback - * @enable_external: - * Non zero if you want external loopback - * - * Returns Zero on success, negative on failure. - */ -int cvmx_helper_configure_loopback(int ipd_port, int enable_internal, - int enable_external) -{ - int result = -1; - int interface = cvmx_helper_get_interface_num(ipd_port); - int index = cvmx_helper_get_interface_index_num(ipd_port); - - if (index >= cvmx_helper_ports_on_interface(interface)) - return -1; - - switch (cvmx_helper_interface_get_mode(interface)) { - case CVMX_HELPER_INTERFACE_MODE_DISABLED: - case CVMX_HELPER_INTERFACE_MODE_PCIE: - case CVMX_HELPER_INTERFACE_MODE_SPI: - case CVMX_HELPER_INTERFACE_MODE_NPI: - case CVMX_HELPER_INTERFACE_MODE_LOOP: - break; - case CVMX_HELPER_INTERFACE_MODE_XAUI: - result = - __cvmx_helper_xaui_configure_loopback(ipd_port, - enable_internal, - enable_external); - break; - case CVMX_HELPER_INTERFACE_MODE_RGMII: - case CVMX_HELPER_INTERFACE_MODE_GMII: - result = - __cvmx_helper_rgmii_configure_loopback(ipd_port, - enable_internal, - enable_external); - break; - case CVMX_HELPER_INTERFACE_MODE_SGMII: - case CVMX_HELPER_INTERFACE_MODE_PICMG: - result = - __cvmx_helper_sgmii_configure_loopback(ipd_port, - enable_internal, - enable_external); - break; - } - return result; -} -- cgit v1.2.3