From 4c0f5a7124aa74b1a99035ca3d12f83c734e7fe8 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Tue, 24 May 2016 17:09:30 +0300 Subject: MIPS: Octeon: Take all memory into use by default. Take all memory into use by default, instead of limiting to 512 MB. Signed-off-by: Aaro Koskinen Acked-by: David Daney Cc: Sivasubramanian Palanisamy Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13353/ Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index cb16fcc5f8f0..15c923dcb98e 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -65,7 +65,7 @@ EXPORT_SYMBOL(octeon_should_swizzle_table); extern void pci_console_init(const char *arg); #endif -static unsigned long long MAX_MEMORY = 512ull << 20; +static unsigned long long MAX_MEMORY = ULLONG_MAX; DEFINE_SEMAPHORE(octeon_bootbus_sem); EXPORT_SYMBOL(octeon_bootbus_sem); -- cgit v1.2.3-70-g09d2 From fd6ecf42fb345e5a53fa2edc91162022e31cee41 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Tue, 24 May 2016 17:09:31 +0300 Subject: MIPS: Octeon: Rename upper case variables at setup time. Rename upper case variables. Signed-off-by: Aaro Koskinen Acked-by: David Daney Cc: Sivasubramanian Palanisamy Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13352/ Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/setup.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 15c923dcb98e..89be31ba70ed 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -65,7 +65,8 @@ EXPORT_SYMBOL(octeon_should_swizzle_table); extern void pci_console_init(const char *arg); #endif -static unsigned long long MAX_MEMORY = ULLONG_MAX; +static unsigned long long max_memory = ULLONG_MAX; +static unsigned long long reserve_low_mem; DEFINE_SEMAPHORE(octeon_bootbus_sem); EXPORT_SYMBOL(octeon_bootbus_sem); @@ -75,7 +76,6 @@ struct octeon_boot_descriptor *octeon_boot_desc_ptr; struct cvmx_bootinfo *octeon_bootinfo; EXPORT_SYMBOL(octeon_bootinfo); -static unsigned long long RESERVE_LOW_MEM = 0ull; #ifdef CONFIG_KEXEC #ifdef CONFIG_SMP /* @@ -125,18 +125,18 @@ static void kexec_bootmem_init(uint64_t mem_size, uint32_t low_reserved_bytes) bootmem_desc->major_version = CVMX_BOOTMEM_DESC_MAJ_VER; bootmem_desc->minor_version = CVMX_BOOTMEM_DESC_MIN_VER; - addr = (OCTEON_DDR0_BASE + RESERVE_LOW_MEM + low_reserved_bytes); + addr = (OCTEON_DDR0_BASE + reserve_low_mem + low_reserved_bytes); bootmem_desc->head_addr = 0; if (mem_size <= OCTEON_DDR0_SIZE) { __cvmx_bootmem_phy_free(addr, - mem_size - RESERVE_LOW_MEM - + mem_size - reserve_low_mem - low_reserved_bytes, 0); return; } __cvmx_bootmem_phy_free(addr, - OCTEON_DDR0_SIZE - RESERVE_LOW_MEM - + OCTEON_DDR0_SIZE - reserve_low_mem - low_reserved_bytes, 0); mem_size -= OCTEON_DDR0_SIZE; @@ -846,15 +846,15 @@ void __init prom_init(void) /* Default to 64MB in the simulator to speed things up */ if (octeon_is_simulation()) - MAX_MEMORY = 64ull << 20; + max_memory = 64ull << 20; arg = strstr(arcs_cmdline, "mem="); if (arg) { - MAX_MEMORY = memparse(arg + 4, &p); - if (MAX_MEMORY == 0) - MAX_MEMORY = 32ull << 30; + max_memory = memparse(arg + 4, &p); + if (max_memory == 0) + max_memory = 32ull << 30; if (*p == '@') - RESERVE_LOW_MEM = memparse(p + 1, &p); + reserve_low_mem = memparse(p + 1, &p); } arcs_cmdline[0] = 0; @@ -864,11 +864,11 @@ void __init prom_init(void) cvmx_phys_to_ptr(octeon_boot_desc_ptr->argv[i]); if ((strncmp(arg, "MEM=", 4) == 0) || (strncmp(arg, "mem=", 4) == 0)) { - MAX_MEMORY = memparse(arg + 4, &p); - if (MAX_MEMORY == 0) - MAX_MEMORY = 32ull << 30; + max_memory = memparse(arg + 4, &p); + if (max_memory == 0) + max_memory = 32ull << 30; if (*p == '@') - RESERVE_LOW_MEM = memparse(p + 1, &p); + reserve_low_mem = memparse(p + 1, &p); #ifdef CONFIG_KEXEC } else if (strncmp(arg, "crashkernel=", 12) == 0) { crashk_size = memparse(arg+12, &p); @@ -957,13 +957,13 @@ void __init plat_mem_setup(void) * to consistently work. */ mem_alloc_size = 4 << 20; - if (mem_alloc_size > MAX_MEMORY) - mem_alloc_size = MAX_MEMORY; + if (mem_alloc_size > max_memory) + mem_alloc_size = max_memory; /* Crashkernel ignores bootmem list. It relies on mem=X@Y option */ #ifdef CONFIG_CRASH_DUMP - add_memory_region(RESERVE_LOW_MEM, MAX_MEMORY, BOOT_MEM_RAM); - total += MAX_MEMORY; + add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM); + total += max_memory; #else #ifdef CONFIG_KEXEC if (crashk_size > 0) { @@ -978,7 +978,7 @@ void __init plat_mem_setup(void) */ cvmx_bootmem_lock(); while ((boot_mem_map.nr_map < BOOT_MEM_MAP_MAX) - && (total < MAX_MEMORY)) { + && (total < max_memory)) { memory = cvmx_bootmem_phy_alloc(mem_alloc_size, __pa_symbol(&_end), -1, 0x100000, -- cgit v1.2.3-70-g09d2 From 23d1f8f589df4a537751f4d6accc5841ed6cb24e Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:16 +0300 Subject: MIPS: Octeon: Delete legacy hack for broken bootloaders Delete legacy hack for broken bootloaders. The warning has been in kernel for several years, and if there are still users using such bootloaders, they can fix the boot by supplying a proper DTB. Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14201/ Signed-off-by: Ralf Baechle --- .../cavium-octeon/executive/cvmx-helper-board.c | 42 ---------------------- 1 file changed, 42 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index ff49fc04500c..3751c580ff85 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -675,48 +675,6 @@ int __cvmx_helper_board_hardware_enable(int interface) cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0xc); } - } else if (cvmx_sysinfo_get()->board_type == - CVMX_BOARD_TYPE_CN3010_EVB_HS5) { - /* - * Broadcom PHYs require differnet ASX - * clocks. Unfortunately many boards don't define a - * new board Id and simply mangle the - * CN3010_EVB_HS5 - */ - if (interface == 0) { - /* - * Some boards use a hacked up bootloader that - * identifies them as CN3010_EVB_HS5 - * evaluation boards. This leads to all kinds - * of configuration problems. Detect one - * case, and print warning, while trying to do - * the right thing. - */ - int phy_addr = cvmx_helper_board_get_mii_address(0); - if (phy_addr != -1) { - int phy_identifier = - cvmx_mdio_read(phy_addr >> 8, - phy_addr & 0xff, 0x2); - /* Is it a Broadcom PHY? */ - if (phy_identifier == 0x0143) { - cvmx_dprintf("\n"); - cvmx_dprintf("ERROR:\n"); - cvmx_dprintf - ("ERROR: Board type is CVMX_BOARD_TYPE_CN3010_EVB_HS5, but Broadcom PHY found.\n"); - cvmx_dprintf - ("ERROR: The board type is mis-configured, and software malfunctions are likely.\n"); - cvmx_dprintf - ("ERROR: All boards require a unique board type to identify them.\n"); - cvmx_dprintf("ERROR:\n"); - cvmx_dprintf("\n"); - cvmx_wait(1000000000); - cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX - (0, interface), 5); - cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX - (0, interface), 5); - } - } - } } else if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_UBNT_E100) { cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0); -- cgit v1.2.3-70-g09d2 From b93ebc1d5bd127a0c6161cf4bbb098374b1d8956 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:17 +0300 Subject: MIPS: Octeon: Don't try to maintain link state in early init. Leave that to actual ethernet/phy drivers. Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14202/ Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c | 3 +-- arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c | 2 -- arch/mips/cavium-octeon/executive/cvmx-helper.c | 10 ---------- 3 files changed, 1 insertion(+), 14 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 f59c88ee9b31..809cd8b73f36 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c @@ -243,8 +243,7 @@ int __cvmx_helper_rgmii_enable(int interface) /* enable the ports now */ for (port = 0; port < num_ports; port++) { union cvmx_gmxx_prtx_cfg gmx_cfg; - cvmx_helper_link_autoconf(cvmx_helper_get_ipd_port - (interface, port)); + gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(port, interface)); gmx_cfg.s.en = 1; diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c index a56ee590de1f..d347fe13b666 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c @@ -234,8 +234,6 @@ int __cvmx_helper_xaui_enable(int interface) cvmx_write_csr(CVMX_GMXX_TX_INT_EN(interface), gmx_tx_int_en.u64); cvmx_write_csr(CVMX_PCSXX_INT_EN_REG(interface), pcsx_int_en_reg.u64); - cvmx_helper_link_autoconf(cvmx_helper_get_ipd_port(interface, 0)); - /* (8) Enable packet reception */ xauiMiscCtl.s.gmxeno = 0; cvmx_write_csr(CVMX_PCSXX_MISC_CTL_REG(interface), xauiMiscCtl.u64); diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index ff26d0217b87..6456af642471 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -841,7 +841,6 @@ int __cvmx_helper_errata_fix_ipd_ptr_alignment(void) int retry_cnt; int retry_loop_cnt; int i; - cvmx_helper_link_info_t link_info; /* Save values for restore at end */ uint64_t prtx_cfg = @@ -1002,15 +1001,6 @@ fix_ipd_exit: (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)), frame_max); cvmx_write_csr(CVMX_ASXX_PRT_LOOP(INTERFACE(FIX_IPD_OUTPORT)), 0); - /* Set link to down so autonegotiation will set it up again */ - link_info.u64 = 0; - cvmx_helper_link_set(FIX_IPD_OUTPORT, link_info); - - /* - * Bring the link back up as autonegotiation is not done in - * user applications. - */ - cvmx_helper_link_autoconf(FIX_IPD_OUTPORT); CVMX_SYNC; if (num_segs) -- cgit v1.2.3-70-g09d2 From 80c73b3509f29b363a7bb07203c310ee0ad8b625 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:18 +0300 Subject: MIPS: Octeon: Delete unused cvmx_override_board_link_get. Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14203/ Signed-off-by: Ralf Baechle --- arch/mips/cavium-octeon/executive/cvmx-helper-board.c | 15 --------------- arch/mips/include/asm/octeon/cvmx-helper-board.h | 10 ---------- 2 files changed, 25 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index 3751c580ff85..0deeb827a443 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -45,17 +45,6 @@ #include #include -/** - * cvmx_override_board_link_get(int ipd_port) is a function - * pointer. It is meant to allow customization of the process of - * talking to a PHY to determine link speed. It is called every - * time a PHY must be polled for link status. Users should set - * this pointer to a function before calling any cvmx-helper - * operations. - */ -cvmx_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port) = - NULL; - /** * Return the MII PHY address associated with the given IPD * port. A result of -1 means there isn't a MII capable PHY @@ -225,10 +214,6 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) int phy_addr; int is_broadcom_phy = 0; - /* Give the user a chance to override the processing of this function */ - if (cvmx_override_board_link_get) - return cvmx_override_board_link_get(ipd_port); - /* Unless we fix it later, all links are defaulted to down */ result.u64 = 0; diff --git a/arch/mips/include/asm/octeon/cvmx-helper-board.h b/arch/mips/include/asm/octeon/cvmx-helper-board.h index cda93aee712c..271be7a54d31 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper-board.h +++ b/arch/mips/include/asm/octeon/cvmx-helper-board.h @@ -57,16 +57,6 @@ typedef enum { */ #define CVMX_HELPER_BOARD_MGMT_IPD_PORT -10 -/** - * cvmx_override_board_link_get(int ipd_port) is a function - * pointer. It is meant to allow customization of the process of - * talking to a PHY to determine link speed. It is called every - * time a PHY must be polled for link status. Users should set - * this pointer to a function before calling any cvmx-helper - * operations. - */ -extern cvmx_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port); - /** * Return the MII PHY address associated with the given IPD * port. A result of -1 means there isn't a MII capable PHY -- cgit v1.2.3-70-g09d2 From 0a1e192d660db17c532a6ab36eb2f77332d9cb1c Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:19 +0300 Subject: MIPS: Octeon: Delete unused cvmx_helper_board_link_set_phy. Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14204/ Signed-off-by: Ralf Baechle --- .../cavium-octeon/executive/cvmx-helper-board.c | 170 --------------------- arch/mips/include/asm/octeon/cvmx-helper-board.h | 20 --- 2 files changed, 190 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index 0deeb827a443..5572e398180b 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -417,176 +417,6 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) return result; } -/** - * This function as a board specific method of changing the PHY - * speed, duplex, and auto-negotiation. This programs the PHY and - * not Octeon. This can be used to force Octeon's links to - * specific settings. - * - * @phy_addr: The address of the PHY to program - * @enable_autoneg: - * Non zero if you want to enable auto-negotiation. - * @link_info: Link speed to program. If the speed is zero and auto-negotiation - * is enabled, all possible negotiation speeds are advertised. - * - * Returns Zero on success, negative on failure - */ -int cvmx_helper_board_link_set_phy(int phy_addr, - cvmx_helper_board_set_phy_link_flags_types_t - link_flags, - cvmx_helper_link_info_t link_info) -{ - - /* Set the flow control settings based on link_flags */ - if ((link_flags & set_phy_link_flags_flow_control_mask) != - set_phy_link_flags_flow_control_dont_touch) { - cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; - reg_autoneg_adver.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER); - reg_autoneg_adver.s.asymmetric_pause = - (link_flags & set_phy_link_flags_flow_control_mask) == - set_phy_link_flags_flow_control_enable; - reg_autoneg_adver.s.pause = - (link_flags & set_phy_link_flags_flow_control_mask) == - set_phy_link_flags_flow_control_enable; - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER, - reg_autoneg_adver.u16); - } - - /* If speed isn't set and autoneg is on advertise all supported modes */ - if ((link_flags & set_phy_link_flags_autoneg) - && (link_info.s.speed == 0)) { - cvmx_mdio_phy_reg_control_t reg_control; - cvmx_mdio_phy_reg_status_t reg_status; - cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; - cvmx_mdio_phy_reg_extended_status_t reg_extended_status; - cvmx_mdio_phy_reg_control_1000_t reg_control_1000; - - reg_status.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_STATUS); - reg_autoneg_adver.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER); - reg_autoneg_adver.s.advert_100base_t4 = - reg_status.s.capable_100base_t4; - reg_autoneg_adver.s.advert_10base_tx_full = - reg_status.s.capable_10_full; - reg_autoneg_adver.s.advert_10base_tx_half = - reg_status.s.capable_10_half; - reg_autoneg_adver.s.advert_100base_tx_full = - reg_status.s.capable_100base_x_full; - reg_autoneg_adver.s.advert_100base_tx_half = - reg_status.s.capable_100base_x_half; - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER, - reg_autoneg_adver.u16); - if (reg_status.s.capable_extended_status) { - reg_extended_status.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_EXTENDED_STATUS); - reg_control_1000.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL_1000); - reg_control_1000.s.advert_1000base_t_full = - reg_extended_status.s.capable_1000base_t_full; - reg_control_1000.s.advert_1000base_t_half = - reg_extended_status.s.capable_1000base_t_half; - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL_1000, - reg_control_1000.u16); - } - reg_control.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL); - reg_control.s.autoneg_enable = 1; - reg_control.s.restart_autoneg = 1; - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); - } else if ((link_flags & set_phy_link_flags_autoneg)) { - cvmx_mdio_phy_reg_control_t reg_control; - cvmx_mdio_phy_reg_status_t reg_status; - cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver; - cvmx_mdio_phy_reg_control_1000_t reg_control_1000; - - reg_status.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_STATUS); - reg_autoneg_adver.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER); - reg_autoneg_adver.s.advert_100base_t4 = 0; - reg_autoneg_adver.s.advert_10base_tx_full = 0; - reg_autoneg_adver.s.advert_10base_tx_half = 0; - reg_autoneg_adver.s.advert_100base_tx_full = 0; - reg_autoneg_adver.s.advert_100base_tx_half = 0; - if (reg_status.s.capable_extended_status) { - reg_control_1000.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL_1000); - reg_control_1000.s.advert_1000base_t_full = 0; - reg_control_1000.s.advert_1000base_t_half = 0; - } - switch (link_info.s.speed) { - case 10: - reg_autoneg_adver.s.advert_10base_tx_full = - link_info.s.full_duplex; - reg_autoneg_adver.s.advert_10base_tx_half = - !link_info.s.full_duplex; - break; - case 100: - reg_autoneg_adver.s.advert_100base_tx_full = - link_info.s.full_duplex; - reg_autoneg_adver.s.advert_100base_tx_half = - !link_info.s.full_duplex; - break; - case 1000: - reg_control_1000.s.advert_1000base_t_full = - link_info.s.full_duplex; - reg_control_1000.s.advert_1000base_t_half = - !link_info.s.full_duplex; - break; - } - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_AUTONEG_ADVER, - reg_autoneg_adver.u16); - if (reg_status.s.capable_extended_status) - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL_1000, - reg_control_1000.u16); - reg_control.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL); - reg_control.s.autoneg_enable = 1; - reg_control.s.restart_autoneg = 1; - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); - } else { - cvmx_mdio_phy_reg_control_t reg_control; - reg_control.u16 = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL); - reg_control.s.autoneg_enable = 0; - reg_control.s.restart_autoneg = 1; - reg_control.s.duplex = link_info.s.full_duplex; - if (link_info.s.speed == 1000) { - reg_control.s.speed_msb = 1; - reg_control.s.speed_lsb = 0; - } else if (link_info.s.speed == 100) { - reg_control.s.speed_msb = 0; - reg_control.s.speed_lsb = 1; - } else if (link_info.s.speed == 10) { - reg_control.s.speed_msb = 0; - reg_control.s.speed_lsb = 0; - } - cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff, - CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16); - } - return 0; -} - /** * This function is called by cvmx_helper_interface_probe() after it * determines the number of ports Octeon can support on a specific diff --git a/arch/mips/include/asm/octeon/cvmx-helper-board.h b/arch/mips/include/asm/octeon/cvmx-helper-board.h index 271be7a54d31..b4d19c21b62c 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper-board.h +++ b/arch/mips/include/asm/octeon/cvmx-helper-board.h @@ -75,26 +75,6 @@ typedef enum { */ extern int cvmx_helper_board_get_mii_address(int ipd_port); -/** - * This function as a board specific method of changing the PHY - * speed, duplex, and autonegotiation. This programs the PHY and - * not Octeon. This can be used to force Octeon's links to - * specific settings. - * - * @phy_addr: The address of the PHY to program - * @link_flags: - * Flags to control autonegotiation. Bit 0 is autonegotiation - * enable/disable to maintain backward compatibility. - * @link_info: Link speed to program. If the speed is zero and autonegotiation - * is enabled, all possible negotiation speeds are advertised. - * - * Returns Zero on success, negative on failure - */ -int cvmx_helper_board_link_set_phy(int phy_addr, - cvmx_helper_board_set_phy_link_flags_types_t - link_flags, - cvmx_helper_link_info_t link_info); - /** * This function is the board specific method of determining an * ethernet ports link speed. Most Octeon boards have Marvell PHYs -- cgit v1.2.3-70-g09d2 From 0d19672e7807d7d365ca3b317f4b2d0db6847ca6 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:20 +0300 Subject: MIPS: Octeon: Delete legacy code for PHY access PHY access through the board helper is impossible with the current drivers, so delete this code. Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14205/ Signed-off-by: Ralf Baechle --- .../cavium-octeon/executive/cvmx-helper-board.c | 108 +-------------------- 1 file changed, 2 insertions(+), 106 deletions(-) (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index 5572e398180b..bc37266da6fd 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -211,8 +211,6 @@ int cvmx_helper_board_get_mii_address(int ipd_port) cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) { cvmx_helper_link_info_t result; - int phy_addr; - int is_broadcom_phy = 0; /* Unless we fix it later, all links are defaulted to down */ result.u64 = 0; @@ -248,8 +246,7 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) result.s.full_duplex = 1; result.s.speed = 1000; return result; - } else /* The other port uses a broadcom PHY */ - is_broadcom_phy = 1; + } break; case CVMX_BOARD_TYPE_BBGW_REF: /* Port 1 on these boards is always Gigabit */ @@ -267,108 +264,7 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) break; } - phy_addr = cvmx_helper_board_get_mii_address(ipd_port); - if (phy_addr != -1) { - if (is_broadcom_phy) { - /* - * Below we are going to read SMI/MDIO - * register 0x19 which works on Broadcom - * parts - */ - int phy_status = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, - 0x19); - switch ((phy_status >> 8) & 0x7) { - case 0: - result.u64 = 0; - break; - case 1: - result.s.link_up = 1; - result.s.full_duplex = 0; - result.s.speed = 10; - break; - case 2: - result.s.link_up = 1; - result.s.full_duplex = 1; - result.s.speed = 10; - break; - case 3: - result.s.link_up = 1; - result.s.full_duplex = 0; - result.s.speed = 100; - break; - case 4: - result.s.link_up = 1; - result.s.full_duplex = 1; - result.s.speed = 100; - break; - case 5: - result.s.link_up = 1; - result.s.full_duplex = 1; - result.s.speed = 100; - break; - case 6: - result.s.link_up = 1; - result.s.full_duplex = 0; - result.s.speed = 1000; - break; - case 7: - result.s.link_up = 1; - result.s.full_duplex = 1; - result.s.speed = 1000; - break; - } - } else { - /* - * This code assumes we are using a Marvell - * Gigabit PHY. All the speed information can - * be read from register 17 in one - * go. Somebody using a different PHY will - * need to handle it above in the board - * specific area. - */ - int phy_status = - cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 17); - - /* - * If the resolve bit 11 isn't set, see if - * autoneg is turned off (bit 12, reg 0). The - * resolve bit doesn't get set properly when - * autoneg is off, so force it. - */ - if ((phy_status & (1 << 11)) == 0) { - int auto_status = - cvmx_mdio_read(phy_addr >> 8, - phy_addr & 0xff, 0); - if ((auto_status & (1 << 12)) == 0) - phy_status |= 1 << 11; - } - - /* - * Only return a link if the PHY has finished - * auto negotiation and set the resolved bit - * (bit 11) - */ - if (phy_status & (1 << 11)) { - result.s.link_up = 1; - result.s.full_duplex = ((phy_status >> 13) & 1); - switch ((phy_status >> 14) & 3) { - case 0: /* 10 Mbps */ - result.s.speed = 10; - break; - case 1: /* 100 Mbps */ - result.s.speed = 100; - break; - case 2: /* 1 Gbps */ - result.s.speed = 1000; - break; - case 3: /* Illegal */ - result.u64 = 0; - break; - } - } - } - } else if (OCTEON_IS_MODEL(OCTEON_CN3XXX) + if (OCTEON_IS_MODEL(OCTEON_CN3XXX) || OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)) { /* -- cgit v1.2.3-70-g09d2 From 6376d7baffb903bebebe32cc8c3610cfeade0849 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Fri, 2 Sep 2016 23:44:21 +0300 Subject: MIPS: Octeon: Delete unused cvmx-mdio.h Signed-off-by: Aaro Koskinen Cc: David Daney Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14206/ Signed-off-by: Ralf Baechle --- .../cavium-octeon/executive/cvmx-helper-board.c | 2 - .../cavium-octeon/executive/cvmx-helper-rgmii.c | 2 - .../cavium-octeon/executive/cvmx-helper-sgmii.c | 1 - arch/mips/include/asm/octeon/cvmx-mdio.h | 506 --------------------- 4 files changed, 511 deletions(-) delete mode 100644 arch/mips/include/asm/octeon/cvmx-mdio.h (limited to 'arch/mips/cavium-octeon') diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index bc37266da6fd..ab8362e04461 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -36,8 +36,6 @@ #include -#include - #include #include #include diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c index 809cd8b73f36..671ab1db2727 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c @@ -33,8 +33,6 @@ #include - -#include #include #include #include diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c index 6f9609e63a65..54375340afe8 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c @@ -34,7 +34,6 @@ #include -#include #include #include diff --git a/arch/mips/include/asm/octeon/cvmx-mdio.h b/arch/mips/include/asm/octeon/cvmx-mdio.h deleted file mode 100644 index 9f6a4f32a83c..000000000000 --- a/arch/mips/include/asm/octeon/cvmx-mdio.h +++ /dev/null @@ -1,506 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/* - * - * Interface to the SMI/MDIO hardware, including support for both IEEE 802.3 - * clause 22 and clause 45 operations. - * - */ - -#ifndef __CVMX_MIO_H__ -#define __CVMX_MIO_H__ - -#include - -/** - * PHY register 0 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_CONTROL 0 -typedef union { - uint16_t u16; - struct { - uint16_t reset:1; - uint16_t loopback:1; - uint16_t speed_lsb:1; - uint16_t autoneg_enable:1; - uint16_t power_down:1; - uint16_t isolate:1; - uint16_t restart_autoneg:1; - uint16_t duplex:1; - uint16_t collision_test:1; - uint16_t speed_msb:1; - uint16_t unidirectional_enable:1; - uint16_t reserved_0_4:5; - } s; -} cvmx_mdio_phy_reg_control_t; - -/** - * PHY register 1 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_STATUS 1 -typedef union { - uint16_t u16; - struct { - uint16_t capable_100base_t4:1; - uint16_t capable_100base_x_full:1; - uint16_t capable_100base_x_half:1; - uint16_t capable_10_full:1; - uint16_t capable_10_half:1; - uint16_t capable_100base_t2_full:1; - uint16_t capable_100base_t2_half:1; - uint16_t capable_extended_status:1; - uint16_t capable_unidirectional:1; - uint16_t capable_mf_preamble_suppression:1; - uint16_t autoneg_complete:1; - uint16_t remote_fault:1; - uint16_t capable_autoneg:1; - uint16_t link_status:1; - uint16_t jabber_detect:1; - uint16_t capable_extended_registers:1; - - } s; -} cvmx_mdio_phy_reg_status_t; - -/** - * PHY register 2 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_ID1 2 -typedef union { - uint16_t u16; - struct { - uint16_t oui_bits_3_18; - } s; -} cvmx_mdio_phy_reg_id1_t; - -/** - * PHY register 3 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_ID2 3 -typedef union { - uint16_t u16; - struct { - uint16_t oui_bits_19_24:6; - uint16_t model:6; - uint16_t revision:4; - } s; -} cvmx_mdio_phy_reg_id2_t; - -/** - * PHY register 4 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_AUTONEG_ADVER 4 -typedef union { - uint16_t u16; - struct { - uint16_t next_page:1; - uint16_t reserved_14:1; - uint16_t remote_fault:1; - uint16_t reserved_12:1; - uint16_t asymmetric_pause:1; - uint16_t pause:1; - uint16_t advert_100base_t4:1; - uint16_t advert_100base_tx_full:1; - uint16_t advert_100base_tx_half:1; - uint16_t advert_10base_tx_full:1; - uint16_t advert_10base_tx_half:1; - uint16_t selector:5; - } s; -} cvmx_mdio_phy_reg_autoneg_adver_t; - -/** - * PHY register 5 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_LINK_PARTNER_ABILITY 5 -typedef union { - uint16_t u16; - struct { - uint16_t next_page:1; - uint16_t ack:1; - uint16_t remote_fault:1; - uint16_t reserved_12:1; - uint16_t asymmetric_pause:1; - uint16_t pause:1; - uint16_t advert_100base_t4:1; - uint16_t advert_100base_tx_full:1; - uint16_t advert_100base_tx_half:1; - uint16_t advert_10base_tx_full:1; - uint16_t advert_10base_tx_half:1; - uint16_t selector:5; - } s; -} cvmx_mdio_phy_reg_link_partner_ability_t; - -/** - * PHY register 6 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_AUTONEG_EXPANSION 6 -typedef union { - uint16_t u16; - struct { - uint16_t reserved_5_15:11; - uint16_t parallel_detection_fault:1; - uint16_t link_partner_next_page_capable:1; - uint16_t local_next_page_capable:1; - uint16_t page_received:1; - uint16_t link_partner_autoneg_capable:1; - - } s; -} cvmx_mdio_phy_reg_autoneg_expansion_t; - -/** - * PHY register 9 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_CONTROL_1000 9 -typedef union { - uint16_t u16; - struct { - uint16_t test_mode:3; - uint16_t manual_master_slave:1; - uint16_t master:1; - uint16_t port_type:1; - uint16_t advert_1000base_t_full:1; - uint16_t advert_1000base_t_half:1; - uint16_t reserved_0_7:8; - } s; -} cvmx_mdio_phy_reg_control_1000_t; - -/** - * PHY register 10 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_STATUS_1000 10 -typedef union { - uint16_t u16; - struct { - uint16_t master_slave_fault:1; - uint16_t is_master:1; - uint16_t local_receiver_ok:1; - uint16_t remote_receiver_ok:1; - uint16_t remote_capable_1000base_t_full:1; - uint16_t remote_capable_1000base_t_half:1; - uint16_t reserved_8_9:2; - uint16_t idle_error_count:8; - } s; -} cvmx_mdio_phy_reg_status_1000_t; - -/** - * PHY register 15 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_EXTENDED_STATUS 15 -typedef union { - uint16_t u16; - struct { - uint16_t capable_1000base_x_full:1; - uint16_t capable_1000base_x_half:1; - uint16_t capable_1000base_t_full:1; - uint16_t capable_1000base_t_half:1; - uint16_t reserved_0_11:12; - } s; -} cvmx_mdio_phy_reg_extended_status_t; - -/** - * PHY register 13 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_MMD_CONTROL 13 -typedef union { - uint16_t u16; - struct { - uint16_t function:2; - uint16_t reserved_5_13:9; - uint16_t devad:5; - } s; -} cvmx_mdio_phy_reg_mmd_control_t; - -/** - * PHY register 14 from the 802.3 spec - */ -#define CVMX_MDIO_PHY_REG_MMD_ADDRESS_DATA 14 -typedef union { - uint16_t u16; - struct { - uint16_t address_data:16; - } s; -} cvmx_mdio_phy_reg_mmd_address_data_t; - -/* Operating request encodings. */ -#define MDIO_CLAUSE_22_WRITE 0 -#define MDIO_CLAUSE_22_READ 1 - -#define MDIO_CLAUSE_45_ADDRESS 0 -#define MDIO_CLAUSE_45_WRITE 1 -#define MDIO_CLAUSE_45_READ_INC 2 -#define MDIO_CLAUSE_45_READ 3 - -/* MMD identifiers, mostly for accessing devices within XENPAK modules. */ -#define CVMX_MMD_DEVICE_PMA_PMD 1 -#define CVMX_MMD_DEVICE_WIS 2 -#define CVMX_MMD_DEVICE_PCS 3 -#define CVMX_MMD_DEVICE_PHY_XS 4 -#define CVMX_MMD_DEVICE_DTS_XS 5 -#define CVMX_MMD_DEVICE_TC 6 -#define CVMX_MMD_DEVICE_CL22_EXT 29 -#define CVMX_MMD_DEVICE_VENDOR_1 30 -#define CVMX_MMD_DEVICE_VENDOR_2 31 - -/* Helper function to put MDIO interface into clause 45 mode */ -static inline void __cvmx_mdio_set_clause45_mode(int bus_id) -{ - union cvmx_smix_clk smi_clk; - /* Put bus into clause 45 mode */ - smi_clk.u64 = cvmx_read_csr(CVMX_SMIX_CLK(bus_id)); - smi_clk.s.mode = 1; - smi_clk.s.preamble = 1; - cvmx_write_csr(CVMX_SMIX_CLK(bus_id), smi_clk.u64); -} - -/* Helper function to put MDIO interface into clause 22 mode */ -static inline void __cvmx_mdio_set_clause22_mode(int bus_id) -{ - union cvmx_smix_clk smi_clk; - /* Put bus into clause 22 mode */ - smi_clk.u64 = cvmx_read_csr(CVMX_SMIX_CLK(bus_id)); - smi_clk.s.mode = 0; - cvmx_write_csr(CVMX_SMIX_CLK(bus_id), smi_clk.u64); -} - -/** - * Perform an MII read. This function is used to read PHY - * registers controlling auto negotiation. - * - * @bus_id: MDIO bus number. Zero on most chips, but some chips (ex CN56XX) - * support multiple busses. - * @phy_id: The MII phy id - * @location: Register location to read - * - * Returns Result from the read or -1 on failure - */ -static inline int cvmx_mdio_read(int bus_id, int phy_id, int location) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_rd_dat smi_rd; - int timeout = 1000; - - if (octeon_has_feature(OCTEON_FEATURE_MDIO_CLAUSE_45)) - __cvmx_mdio_set_clause22_mode(bus_id); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_22_READ; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = location; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(bus_id)); - } while (smi_rd.s.pending && timeout--); - - if (smi_rd.s.val) - return smi_rd.s.dat; - else - return -1; -} - -/** - * Perform an MII write. This function is used to write PHY - * registers controlling auto negotiation. - * - * @bus_id: MDIO bus number. Zero on most chips, but some chips (ex CN56XX) - * support multiple busses. - * @phy_id: The MII phy id - * @location: Register location to write - * @val: Value to write - * - * Returns -1 on error - * 0 on success - */ -static inline int cvmx_mdio_write(int bus_id, int phy_id, int location, int val) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_wr_dat smi_wr; - int timeout = 1000; - - if (octeon_has_feature(OCTEON_FEATURE_MDIO_CLAUSE_45)) - __cvmx_mdio_set_clause22_mode(bus_id); - - smi_wr.u64 = 0; - smi_wr.s.dat = val; - cvmx_write_csr(CVMX_SMIX_WR_DAT(bus_id), smi_wr.u64); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_22_WRITE; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = location; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(bus_id)); - } while (smi_wr.s.pending && --timeout); - if (timeout <= 0) - return -1; - - return 0; -} - -/** - * Perform an IEEE 802.3 clause 45 MII read. This function is used to - * read PHY registers controlling auto negotiation. - * - * @bus_id: MDIO bus number. Zero on most chips, but some chips (ex CN56XX) - * support multiple busses. - * @phy_id: The MII phy id - * @device: MDIO Managable Device (MMD) id - * @location: Register location to read - * - * Returns Result from the read or -1 on failure - */ - -static inline int cvmx_mdio_45_read(int bus_id, int phy_id, int device, - int location) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_rd_dat smi_rd; - union cvmx_smix_wr_dat smi_wr; - int timeout = 1000; - - if (!octeon_has_feature(OCTEON_FEATURE_MDIO_CLAUSE_45)) - return -1; - - __cvmx_mdio_set_clause45_mode(bus_id); - - smi_wr.u64 = 0; - smi_wr.s.dat = location; - cvmx_write_csr(CVMX_SMIX_WR_DAT(bus_id), smi_wr.u64); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_45_ADDRESS; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = device; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(bus_id)); - } while (smi_wr.s.pending && --timeout); - if (timeout <= 0) { - cvmx_dprintf("cvmx_mdio_45_read: bus_id %d phy_id %2d " - "device %2d register %2d TIME OUT(address)\n", - bus_id, phy_id, device, location); - return -1; - } - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_45_READ; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = device; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(bus_id)); - } while (smi_rd.s.pending && --timeout); - - if (timeout <= 0) { - cvmx_dprintf("cvmx_mdio_45_read: bus_id %d phy_id %2d " - "device %2d register %2d TIME OUT(data)\n", - bus_id, phy_id, device, location); - return -1; - } - - if (smi_rd.s.val) - return smi_rd.s.dat; - else { - cvmx_dprintf("cvmx_mdio_45_read: bus_id %d phy_id %2d " - "device %2d register %2d INVALID READ\n", - bus_id, phy_id, device, location); - return -1; - } -} - -/** - * Perform an IEEE 802.3 clause 45 MII write. This function is used to - * write PHY registers controlling auto negotiation. - * - * @bus_id: MDIO bus number. Zero on most chips, but some chips (ex CN56XX) - * support multiple busses. - * @phy_id: The MII phy id - * @device: MDIO Managable Device (MMD) id - * @location: Register location to write - * @val: Value to write - * - * Returns -1 on error - * 0 on success - */ -static inline int cvmx_mdio_45_write(int bus_id, int phy_id, int device, - int location, int val) -{ - union cvmx_smix_cmd smi_cmd; - union cvmx_smix_wr_dat smi_wr; - int timeout = 1000; - - if (!octeon_has_feature(OCTEON_FEATURE_MDIO_CLAUSE_45)) - return -1; - - __cvmx_mdio_set_clause45_mode(bus_id); - - smi_wr.u64 = 0; - smi_wr.s.dat = location; - cvmx_write_csr(CVMX_SMIX_WR_DAT(bus_id), smi_wr.u64); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_45_ADDRESS; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = device; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(bus_id)); - } while (smi_wr.s.pending && --timeout); - if (timeout <= 0) - return -1; - - smi_wr.u64 = 0; - smi_wr.s.dat = val; - cvmx_write_csr(CVMX_SMIX_WR_DAT(bus_id), smi_wr.u64); - - smi_cmd.u64 = 0; - smi_cmd.s.phy_op = MDIO_CLAUSE_45_WRITE; - smi_cmd.s.phy_adr = phy_id; - smi_cmd.s.reg_adr = device; - cvmx_write_csr(CVMX_SMIX_CMD(bus_id), smi_cmd.u64); - - do { - cvmx_wait(1000); - smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(bus_id)); - } while (smi_wr.s.pending && --timeout); - if (timeout <= 0) - return -1; - - return 0; -} - -#endif -- cgit v1.2.3-70-g09d2