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/********************************************************************* * * Copyright 2003-2006 Raza Microelectronics, Inc. (RMI). All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY Raza Microelectronics, Inc. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RMI OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES, LOSS OF USE, DATA, OR PROFITS, OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * *****************************RMI_2**********************************/ #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ __FBSDID("$FreeBSD: release/9.1.0/sys/mips/rmi/board.c 216390 2010-12-12 06:00:26Z jchandra $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <machine/cpufunc.h> #include <mips/rmi/msgring.h> #include <mips/rmi/rmi_boot_info.h> #include <mips/rmi/board.h> #include <mips/rmi/pic.h> #define XLR_I2C_RTC_ADDR 0xd0 #define XLR_I2C_EEPROM_ADDR 0xa0 #define XLR_I2C_TEMPSENSOR_ADDR 0x98 #define XLR_I2C_ATX8_TEMPSENSOR_ADDR 0x9a struct stn_cc *xlr_core_cc_configs[] = { &cc_table_cpu_0, &cc_table_cpu_1, &cc_table_cpu_2, &cc_table_cpu_3, &cc_table_cpu_4, &cc_table_cpu_5, &cc_table_cpu_6, &cc_table_cpu_7}; struct stn_cc *xls_core_cc_configs[] = { &xls_cc_table_cpu_0, &xls_cc_table_cpu_1, &xls_cc_table_cpu_2, &xls_cc_table_cpu_3 }; struct xlr_board_info xlr_board_info; static int xlr_pcmcia_present(void) { xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_GPIO_OFFSET); uint32_t resetconf; resetconf = xlr_read_reg(mmio, 21); return ((resetconf & 0x4000) != 0); } static void xlr_chip_specific_overrides(struct xlr_board_info* board) { struct xlr_gmac_block_t *blk0, *blk1, *blk2; uint32_t chipid; uint32_t revision; blk0 = &board->gmac_block[0]; blk1 = &board->gmac_block[1]; blk2 = &board->gmac_block[2]; chipid = xlr_processor_id(); revision = xlr_revision(); if (revision == 0x04) { /* B2 */ switch (chipid) { case 0x07: /* XLR 508 */ case 0x08: /* XLR 516 */ case 0x09: /* XLR 532 */ /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; case 0x06: /* XLR 308 */ /* NA0 has 3 ports */ blk0->gmac_port[3].valid = 0; blk0->num_ports--; /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; default: break; } } else if (revision == 0x91) { /* C4 */ switch (chipid) { case 0x0B: /* XLR 508 */ case 0x0A: /* XLR 516 */ case 0x08: /* XLR 532 */ /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; case 0x0F: /* XLR 308 */ /* NA0 has 3 ports */ blk0->gmac_port[3].valid = 0; blk0->num_ports--; /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; default: break; } } else { /* other pre-production silicon */ switch (chipid) { /* XLR 5xx */ case 0x0B: case 0x0A: case 0x07: case 0x08: case 0x09: /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; /* XLR 3xx */ case 0x0F: case 0x06: /* NA0 has 3 ports */ blk0->gmac_port[3].valid = 0; blk0->num_ports--; /* NA[12] not available */ memset(blk1, 0, sizeof(*blk1)); memset(blk2, 0, sizeof(*blk2)); break; default: break; } } } static void xlr_board_specific_overrides(struct xlr_board_info* board) { struct xlr_gmac_block_t *blk1, *blk2; blk1 = &board->gmac_block[1]; blk2 = &board->gmac_block[2]; switch (xlr_boot1_info.board_major_version) { case RMI_XLR_BOARD_ARIZONA_I: /* ATX-I has SPI-4, not XGMAC */ blk1->type = XLR_SPI4; blk1->enabled = 0; /* nlge does not support SPI-4 */ blk2->type = XLR_SPI4; blk2->enabled = 0; break; case RMI_XLR_BOARD_ARIZONA_II: /* XGMII_A --> VSC7281, XGMII_B --> VSC7281 */ blk1->enabled = 1; blk1->num_ports = 1; blk1->gmac_port[0].valid = 1; blk2->enabled = 1; blk2->num_ports = 1; blk2->gmac_port[0].valid = 1; default: break; } } static int quad0_xaui(void) { xlr_reg_t *gpio_mmio = (unsigned int *)(DEFAULT_XLR_IO_BASE + XLR_IO_GPIO_OFFSET); uint32_t bit24; bit24 = (xlr_read_reg(gpio_mmio, 0x15) >> 24) & 0x1; return (bit24); } static int quad1_xaui(void) { xlr_reg_t *gpio_mmio = (unsigned int *)(DEFAULT_XLR_IO_BASE + XLR_IO_GPIO_OFFSET); uint32_t bit25; bit25 = (xlr_read_reg(gpio_mmio, 0x15) >> 25) & 0x1; return (bit25); } static void xls_chip_specific_overrides(struct xlr_board_info* board) { struct xlr_gmac_block_t *blk0, *blk1; uint32_t chipid; blk0 = &board->gmac_block[0]; blk1 = &board->gmac_block[1]; chipid = xlr_processor_id(); switch (chipid) { case 0x8E: /* XLS208 */ case 0x8F: /* XLS204 */ /* NA1 is not available */ memset(blk1, 0, sizeof(*blk1)); break; case 0xCE: /* XLS108 */ case 0xCF: /* XLS104 */ /* NA0 has 3 ports */ blk0->gmac_port[3].valid = 0; blk0->num_ports--; /* NA1 is not available */ memset(blk1, 0, sizeof(*blk1)); break; default: break; } } static void xls_board_specific_overrides(struct xlr_board_info* board) { struct xlr_gmac_block_t *blk0, *blk1; int i; struct xlr_i2c_dev_t* iic_blk; blk0 = &board->gmac_block[0]; blk1 = &board->gmac_block[1]; switch (xlr_boot1_info.board_major_version) { case RMI_XLR_BOARD_ARIZONA_VI: blk0->mode = XLR_PORT0_RGMII; blk0->gmac_port[0].type = XLR_RGMII; blk0->gmac_port[0].phy_addr = 0; blk0->gmac_port[0].mii_addr = XLR_IO_GMAC_4_OFFSET; /* Because of the Octal PHY, SGMII Quad1 is MII is also bound * to the PHY attached to SGMII0_MDC/MDIO/MDINT. */ for (i = 0; i < 4; i++) { blk1->gmac_port[i].mii_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[i].serdes_addr = XLR_IO_GMAC_0_OFFSET; } blk1->gmac_port[1].mii_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[2].mii_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[3].mii_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[1].serdes_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[2].serdes_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[3].serdes_addr = XLR_IO_GMAC_0_OFFSET; /* RGMII MDIO interrupt is thru NA1 and SGMII MDIO * interrupts for ports in blk1 are from NA0 */ blk0->gmac_port[0].mdint_id = 1; blk1->gmac_port[0].mdint_id = 0; blk1->gmac_port[1].mdint_id = 0; blk1->gmac_port[2].mdint_id = 0; blk1->gmac_port[3].mdint_id = 0; /* If we have a 4xx lite chip, don't enable the * GMACs which are disabled in hardware */ if (xlr_is_xls4xx_lite()) { xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_GPIO_OFFSET); uint32_t tmp; /* Port 6 & 7 are not enabled on the condor 4xx, figure * this out from the GPIO fuse bank */ tmp = xlr_read_reg(mmio, 35); if ((tmp & (3 << 28)) != 0) { blk1->enabled = 0x3; blk1->gmac_port[2].valid = 0; blk1->gmac_port[3].valid = 0; blk1->num_ports = 2; } } break; case RMI_XLR_BOARD_ARIZONA_VIII: iic_blk = &xlr_board_info.xlr_i2c_device[I2C_THERMAL]; if (iic_blk->enabled) { iic_blk->addr = XLR_I2C_ATX8_TEMPSENSOR_ADDR; } if (blk1->enabled) { /* There is just one Octal PHY on the board and it is * connected to the MII interface for NA Quad 0. */ for (i = 0; i < 4; i++) { blk1->gmac_port[i].mii_addr = XLR_IO_GMAC_0_OFFSET; blk1->gmac_port[i].mdint_id = 0; } } break; case RMI_XLR_BOARD_ARIZONA_XI: case RMI_XLR_BOARD_ARIZONA_XII: if (quad0_xaui()) { /* GMAC ports 0-3 are set to XAUI */ /* only GMAC0 is active i.e, the 0-th port on this quad. * Disable all the other 7 possible ports. */ for (i = 1; i < MAX_NA_PORTS; i++) { memset(&blk0->gmac_port[i], 0, sizeof(blk0->gmac_port[i])); } /* Setup for XAUI on N/w Acc0: gmac0 */ blk0->type = XLR_XGMAC; blk0->mode = XLR_XAUI; blk0->num_ports = 1; blk0->gmac_port[0].type = XLR_XAUI; blk1->gmac_port[0].phy_addr = 16; blk0->gmac_port[0].tx_bucket_id = blk0->station_txbase; /* Other addresses etc need not be modified as XAUI_0 * shares its addresses with SGMII GMAC_0, which was * set in the caller. */ } else { blk0->num_ports = 1; /* only 1 RGMII port */ blk0->mode = XLR_PORT0_RGMII; blk0->gmac_port[0].type = XLR_RGMII; blk0->gmac_port[0].phy_addr = 0; blk0->gmac_port[0].mii_addr = XLR_IO_GMAC_0_OFFSET; } if (quad1_xaui()) { /* GMAC ports 4-7 are used for XAUI */ /* only GMAC4 is active i.e, the 0-th port on this quad. * Disable all the other 7 possible ports. */ for (i = 1; i < MAX_NA_PORTS; i++) { memset(&blk1->gmac_port[i], 0, sizeof(blk1->gmac_port[i])); } /* Setup for XAUI on N/w Acc1: gmac4 */ blk1->type = XLR_XGMAC; blk1->mode = XLR_XAUI; blk1->num_ports = 1; /* XAUI and SGMII ports share FMN buckets on N/w Acc 1; so, station_txbase, station_rfr need not be patched up. */ blk1->gmac_port[0].type = XLR_XAUI; blk1->gmac_port[0].phy_addr = 16; blk1->gmac_port[0].tx_bucket_id = blk1->station_txbase; /* Other addresses etc need not be modified as XAUI_1 * shares its addresses with SGMII GMAC_4, which was * set in the caller. */ } break; default: break; } } /* * All our knowledge of chip and board that cannot be detected by probing * at run-time goes here */ int xlr_board_info_setup() { struct xlr_gmac_block_t *blk0, *blk1, *blk2; struct xlr_i2c_dev_t* iic_blk; int i; /* This setup code is long'ish because the same base driver * (if_nlge.c) is used for different: * - CPUs (XLR/XLS) * - boards (for each CPU, multiple board configs are possible * and available). * * At the time of writing, there are atleast 12 boards, 4 with XLR * and 8 with XLS. This means that the base driver needs to work with * 12 different configurations, with varying levels of differences. * To accomodate the different configs, the xlr_board_info struct * has various attributes for paramters that could be different. * These attributes are setup here and can be used directly in the * base driver. * It was seen that the setup code is not entirely trivial and * it is possible to organize it in different ways. In the following, * we choose an approach that sacrifices code-compactness/speed for * readability. This is because configuration code executes once * per reboot and hence has a minimal performance impact. * On the other hand, driver debugging/enhancements require * that different engineers can quickly comprehend the setup * sequence. Hence, readability is seen as the key requirement for * this code. It is for the reader to decide how much of this * requirement is met with the current code organization !! * * The initialization is organized thus: * * if (CPU is XLS) { * // initialize per XLS architecture * // default inits (per chip spec) * // chip-specific overrides * // board-specific overrides * } else if (CPU is XLR) { * // initialize per XLR architecture * // default inits (per chip spec) * // chip-specific overrides * // board-specific overrides * } * * For each CPU family, all the default initializations * are done for a fully-loaded device of that family. * This configuration is then adjusted for the actual * chip id. This is followed up with board specific * overrides. */ /* start with a clean slate */ memset(&xlr_board_info, 0, sizeof(xlr_board_info)); xlr_board_info.ata = xlr_pcmcia_present(); blk0 = &xlr_board_info.gmac_block[0]; blk1 = &xlr_board_info.gmac_block[1]; blk2 = &xlr_board_info.gmac_block[2]; iic_blk = xlr_board_info.xlr_i2c_device; iic_blk[I2C_RTC].enabled = 1; iic_blk[I2C_RTC].addr = XLR_I2C_RTC_ADDR; iic_blk[I2C_THERMAL].enabled = 1; iic_blk[I2C_THERMAL].addr = XLR_I2C_TEMPSENSOR_ADDR; iic_blk[I2C_EEPROM].enabled = 1; iic_blk[I2C_EEPROM].addr = XLR_I2C_EEPROM_ADDR; if (xlr_is_xls()) { xlr_board_info.is_xls = 1; xlr_board_info.nr_cpus = 8; xlr_board_info.usb = 1; /* Board version 8 has NAND flash */ xlr_board_info.cfi = (xlr_boot1_info.board_major_version != RMI_XLR_BOARD_ARIZONA_VIII); xlr_board_info.pci_irq = 0; xlr_board_info.credit_configs = xls_core_cc_configs; xlr_board_info.bucket_sizes = &xls_bucket_sizes; xlr_board_info.gmacports = MAX_NA_PORTS; /* ---------------- Network Acc 0 ---------------- */ blk0->type = XLR_GMAC; blk0->enabled = 0xf; blk0->credit_config = &xls_cc_table_gmac0; blk0->station_id = MSGRNG_STNID_GMAC; blk0->station_txbase = MSGRNG_STNID_GMACTX0; blk0->station_rfr = MSGRNG_STNID_GMACRFR_0; blk0->mode = XLR_SGMII; blk0->baseaddr = XLR_IO_GMAC_0_OFFSET; blk0->baseirq = PIC_GMAC_0_IRQ; blk0->baseinst = 0; /* By default, assume SGMII is setup. But this can change based on board-specific or setting-specific info. */ for (i = 0; i < 4; i++) { blk0->gmac_port[i].valid = 1; blk0->gmac_port[i].instance = i + blk0->baseinst; blk0->gmac_port[i].type = XLR_SGMII; blk0->gmac_port[i].phy_addr = i + 16; blk0->gmac_port[i].tx_bucket_id = blk0->station_txbase + i; blk0->gmac_port[i].mdint_id = 0; blk0->num_ports++; blk0->gmac_port[i].base_addr = XLR_IO_GMAC_0_OFFSET + i * 0x1000; blk0->gmac_port[i].mii_addr = XLR_IO_GMAC_0_OFFSET; blk0->gmac_port[i].pcs_addr = XLR_IO_GMAC_0_OFFSET; blk0->gmac_port[i].serdes_addr = XLR_IO_GMAC_0_OFFSET; } /* ---------------- Network Acc 1 ---------------- */ blk1->type = XLR_GMAC; blk1->enabled = 0xf; blk1->credit_config = &xls_cc_table_gmac1; blk1->station_id = MSGRNG_STNID_GMAC1; blk1->station_txbase = MSGRNG_STNID_GMAC1_TX0; blk1->station_rfr = MSGRNG_STNID_GMAC1_FR_0; blk1->mode = XLR_SGMII; blk1->baseaddr = XLR_IO_GMAC_4_OFFSET; blk1->baseirq = PIC_XGS_0_IRQ; blk1->baseinst = 4; for (i = 0; i < 4; i++) { blk1->gmac_port[i].valid = 1; blk1->gmac_port[i].instance = i + blk1->baseinst; blk1->gmac_port[i].type = XLR_SGMII; blk1->gmac_port[i].phy_addr = i + 20; blk1->gmac_port[i].tx_bucket_id = blk1->station_txbase + i; blk1->gmac_port[i].mdint_id = 1; blk1->num_ports++; blk1->gmac_port[i].base_addr = XLR_IO_GMAC_4_OFFSET + i * 0x1000; blk1->gmac_port[i].mii_addr = XLR_IO_GMAC_4_OFFSET; blk1->gmac_port[i].pcs_addr = XLR_IO_GMAC_4_OFFSET; blk1->gmac_port[i].serdes_addr = XLR_IO_GMAC_0_OFFSET; } /* ---------------- Network Acc 2 ---------------- */ xlr_board_info.gmac_block[2].enabled = 0; /* disabled on XLS */ xls_chip_specific_overrides(&xlr_board_info); xls_board_specific_overrides(&xlr_board_info); } else { /* XLR */ xlr_board_info.is_xls = 0; xlr_board_info.nr_cpus = 32; xlr_board_info.usb = 0; xlr_board_info.cfi = 1; xlr_board_info.pci_irq = 0; xlr_board_info.credit_configs = xlr_core_cc_configs; xlr_board_info.bucket_sizes = &bucket_sizes; xlr_board_info.gmacports = 4; /* ---------------- GMAC0 ---------------- */ blk0->type = XLR_GMAC; blk0->enabled = 0xf; blk0->credit_config = &cc_table_gmac; blk0->station_id = MSGRNG_STNID_GMAC; blk0->station_txbase = MSGRNG_STNID_GMACTX0; blk0->station_rfr = MSGRNG_STNID_GMACRFR_0; blk0->mode = XLR_RGMII; blk0->baseaddr = XLR_IO_GMAC_0_OFFSET; blk0->baseirq = PIC_GMAC_0_IRQ; blk0->baseinst = 0; /* first, do the common/easy stuff for all the ports */ for (i = 0; i < 4; i++) { blk0->gmac_port[i].valid = 1; blk0->gmac_port[i].instance = i + blk0->baseinst; blk0->gmac_port[i].type = XLR_RGMII; blk0->gmac_port[i].phy_addr = i; blk0->gmac_port[i].tx_bucket_id = blk0->station_txbase + i; blk0->gmac_port[i].mdint_id = 0; blk0->gmac_port[i].base_addr = XLR_IO_GMAC_0_OFFSET + i * 0x1000; blk0->gmac_port[i].mii_addr = XLR_IO_GMAC_0_OFFSET; /* RGMII ports, no PCS/SERDES */ blk0->num_ports++; } /* ---------------- XGMAC0 ---------------- */ blk1->type = XLR_XGMAC; blk1->mode = XLR_XGMII; blk1->enabled = 0; blk1->credit_config = &cc_table_xgs_0; blk1->station_txbase = MSGRNG_STNID_XGS0_TX; blk1->station_rfr = MSGRNG_STNID_XMAC0RFR; blk1->station_id = MSGRNG_STNID_XGS0FR; blk1->baseaddr = XLR_IO_XGMAC_0_OFFSET; blk1->baseirq = PIC_XGS_0_IRQ; blk1->baseinst = 4; blk1->gmac_port[0].type = XLR_XGMII; blk1->gmac_port[0].instance = 0; blk1->gmac_port[0].phy_addr = 0; blk1->gmac_port[0].base_addr = XLR_IO_XGMAC_0_OFFSET; blk1->gmac_port[0].mii_addr = XLR_IO_XGMAC_0_OFFSET; blk1->gmac_port[0].tx_bucket_id = blk1->station_txbase; blk1->gmac_port[0].mdint_id = 1; /* ---------------- XGMAC1 ---------------- */ blk2->type = XLR_XGMAC; blk2->mode = XLR_XGMII; blk2->enabled = 0; blk2->credit_config = &cc_table_xgs_1; blk2->station_txbase = MSGRNG_STNID_XGS1_TX; blk2->station_rfr = MSGRNG_STNID_XMAC1RFR; blk2->station_id = MSGRNG_STNID_XGS1FR; blk2->baseaddr = XLR_IO_XGMAC_1_OFFSET; blk2->baseirq = PIC_XGS_1_IRQ; blk2->baseinst = 5; blk2->gmac_port[0].type = XLR_XGMII; blk2->gmac_port[0].instance = 0; blk2->gmac_port[0].phy_addr = 0; blk2->gmac_port[0].base_addr = XLR_IO_XGMAC_1_OFFSET; blk2->gmac_port[0].mii_addr = XLR_IO_XGMAC_1_OFFSET; blk2->gmac_port[0].tx_bucket_id = blk2->station_txbase; blk2->gmac_port[0].mdint_id = 2; /* Done with default setup. Now handle chip and board-specific variations. */ xlr_chip_specific_overrides(&xlr_board_info); xlr_board_specific_overrides(&xlr_board_info); } return 0; }