diff options
Diffstat (limited to 'drivers/net/fm/init.c')
| -rw-r--r-- | drivers/net/fm/init.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c new file mode 100644 index 0000000..5f05ab1 --- /dev/null +++ b/drivers/net/fm/init.c @@ -0,0 +1,208 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * 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 the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> + +#include "fm.h" + +struct fm_eth_info fm_info[] = { +#if (CONFIG_SYS_NUM_FM1_DTSEC >= 1) + FM_DTSEC_INFO_INITIALIZER(1, 1), +#endif +#if (CONFIG_SYS_NUM_FM1_DTSEC >= 2) + FM_DTSEC_INFO_INITIALIZER(1, 2), +#endif +#if (CONFIG_SYS_NUM_FM1_DTSEC >= 3) + FM_DTSEC_INFO_INITIALIZER(1, 3), +#endif +#if (CONFIG_SYS_NUM_FM1_DTSEC >= 4) + FM_DTSEC_INFO_INITIALIZER(1, 4), +#endif +#if (CONFIG_SYS_NUM_FM1_DTSEC >= 5) + FM_DTSEC_INFO_INITIALIZER(1, 5), +#endif +#if (CONFIG_SYS_NUM_FM2_DTSEC >= 1) + FM_DTSEC_INFO_INITIALIZER(2, 1), +#endif +#if (CONFIG_SYS_NUM_FM2_DTSEC >= 2) + FM_DTSEC_INFO_INITIALIZER(2, 2), +#endif +#if (CONFIG_SYS_NUM_FM2_DTSEC >= 3) + FM_DTSEC_INFO_INITIALIZER(2, 3), +#endif +#if (CONFIG_SYS_NUM_FM2_DTSEC >= 4) + FM_DTSEC_INFO_INITIALIZER(2, 4), +#endif +#if (CONFIG_SYS_NUM_FM1_10GEC >= 1) + FM_TGEC_INFO_INITIALIZER(1, 1), +#endif +#if (CONFIG_SYS_NUM_FM2_10GEC >= 1) + FM_TGEC_INFO_INITIALIZER(2, 1), +#endif +}; + +int fm_standard_init(bd_t *bis) +{ + int i; + struct ccsr_fman *reg; + + reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; + if (fm_init_common(0, reg)) + return 0; + + for (i = 0; i < ARRAY_SIZE(fm_info); i++) { + if ((fm_info[i].enabled) && (fm_info[i].index == 1)) + fm_eth_initialize(reg, &fm_info[i]); + } + +#if (CONFIG_SYS_NUM_FMAN == 2) + reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; + if (fm_init_common(1, reg)) + return 0; + + for (i = 0; i < ARRAY_SIZE(fm_info); i++) { + if ((fm_info[i].enabled) && (fm_info[i].index == 2)) + fm_eth_initialize(reg, &fm_info[i]); + } +#endif + + return 1; +} + +/* simple linear search to map from port to array index */ +static int fm_port_to_index(enum fm_port port) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fm_info); i++) { + if (fm_info[i].port == port) + return i; + } + + return -1; +} + +/* + * Determine if an interface is actually active based on HW config + * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if + * the interface is not active based on HW cfg of the SoC + */ +void fman_enet_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fm_info); i++) { + phy_interface_t enet_if; + + enet_if = fman_port_enet_if(fm_info[i].port); + if (enet_if != PHY_INTERFACE_MODE_NONE) { + fm_info[i].enabled = 1; + fm_info[i].enet_if = enet_if; + } else { + fm_info[i].enabled = 0; + } + } + + return ; +} + +void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) +{ + int i = fm_port_to_index(port); + + if (i == -1) + return; + + fm_info[i].bus = bus; +} + +void fm_info_set_phy_address(enum fm_port port, int address) +{ + int i = fm_port_to_index(port); + + if (i == -1) + return; + + fm_info[i].phy_addr = address; +} + +/* + * Returns the type of the data interface between the given MAC and its PHY. + * This is typically determined by the RCW. + */ +phy_interface_t fm_info_get_enet_if(enum fm_port port) +{ + int i = fm_port_to_index(port); + + if (i == -1) + return PHY_INTERFACE_MODE_NONE; + + if (fm_info[i].enabled) + return fm_info[i].enet_if; + + return PHY_INTERFACE_MODE_NONE; +} + +static void +__def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, + enum fm_port port, int offset) +{ + return ; +} + +void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, + enum fm_port port, int offset) + __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); + +static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) +{ + int off, ph; + phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; + + off = fdt_node_offset_by_compat_reg(blob, prop, paddr); + + if (info->enabled) { + fdt_fixup_phy_connection(blob, off, info->enet_if); + board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); + return ; + } + + /* board code might have caused offset to change */ + off = fdt_node_offset_by_compat_reg(blob, prop, paddr); + + /* disable both the mac node and the node that has a handle to it */ + fdt_setprop_string(blob, off, "status", "disabled"); + + ph = fdt_get_phandle(blob, off); + do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), + "status", "disabled", strlen("disabled") + 1, 1); +} + +void fdt_fixup_fman_ethernet(void *blob) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(fm_info); i++) { + if (fm_info[i].type == FM_ETH_1G_E) + ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac"); + else + ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac"); + } +} |