[U-Boot-Users] Patch: MII support for MPC8260ADS board

-- ======================================================================== Yuli Barcohen | Phone +972-9-765-1788 | Software Project Leader yuli@arabellasw.com | Fax +972-9-765-7494 | Arabella Software, Israel ======================================================================== --- board/mpc8260ads/mpc8260ads.c 2003-06-12 12:23:46.000000000 +0300 +++ Arabella/u-boot/board/mpc8260ads/mpc8260ads.c 2003-06-11 16:49:05.000000000 +0300 @@ -9,6 +9,10 @@ * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com * Added support for the 16M dram simm on the 8260ads boards * + * (C) Copyright 2003 Arabella Software Ltd. + * Yuli Barcohen yuli@arabellasw.com + * Added support for SDRAM DIMMs SPD EEPROM, MII, Ethernet PHY init. + * * See file CREDITS for list of people who contributed to this * project. * @@ -33,6 +37,7 @@ #include <mpc8260.h> #include <i2c.h> #include <spd.h> +#include <miiphy.h> /* * I/O Port configuration table @@ -129,8 +134,8 @@ const iop_conf_t iop_conf_tab[4][32] = { /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */ /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */ /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */ - /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */ - /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */ + /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII Rx Clock (CLK13) */ + /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII Tx Clock (CLK14) */ /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */ /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */ /* PC15 */ { 0, 0, 0, 1, 0, 0 }, /* PC15 */ @@ -138,8 +143,8 @@ const iop_conf_t iop_conf_tab[4][32] = { /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */ /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */ /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */ - /* PC10 */ { 1, 1, 0, 0, 0, 0 }, /* LXT970 FETHMDC */ - /* PC9 */ { 1, 1, 0, 0, 0, 0 }, /* LXT970 FETHMDIO */ + /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* LXT970 FETHMDC */ + /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* LXT970 FETHMDIO */ /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */ /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */ /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */ @@ -153,8 +158,8 @@ const iop_conf_t iop_conf_tab[4][32] = { /* Port D */ { /* conf ppar psor pdir podr pdat */ - /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */ - /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */ + /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */ + /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */ /* PD29 */ { 0, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */ /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */ /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */ @@ -169,14 +174,14 @@ const iop_conf_t iop_conf_tab[4][32] = { /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */ /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */ /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */ - /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ - /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ + /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */ + /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ - /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ - /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ + /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */ + /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */ /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */ /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */ /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */ @@ -188,32 +193,33 @@ const iop_conf_t iop_conf_tab[4][32] = { } }; -typedef struct bscr_ { - unsigned long bcsr0; - unsigned long bcsr1; - unsigned long bcsr2; - unsigned long bcsr3; - unsigned long bcsr4; - unsigned long bcsr5; - unsigned long bcsr6; - unsigned long bcsr7; -} bcsr_t; - void reset_phy (void) { - volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR; + vu_long *bcsr = (vu_long *)CFG_BCSR; /* reset the FEC port */ - bcsr->bcsr1 &= ~FETH_RST; - bcsr->bcsr1 |= FETH_RST; + bcsr[1] &= ~FETH_RST; + udelay(2); + bcsr[1] |= FETH_RST; + udelay(1000); +#ifdef CONFIG_MII + /* + * Ethernet PHY is configured (by means of configuration pins) + * to work at 10Mb/s only. We reconfigure it using MII + * to advertise all capabilities, including 100Mb/s, and + * restart autonegotiation. + */ + miiphy_write(0, PHY_ANAR, 0x01E1); /* Advertise all capabilities */ + miiphy_write(0, PHY_DCR, 0x0000); /* Do not bypass Rx/Tx (de)scrambler */ + miiphy_write(0, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); +#endif /* CONFIG_MII */ } - int board_pre_init (void) { - volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR; + vu_long *bcsr = (vu_long *)CFG_BCSR; - bcsr->bcsr1 = ~FETHIEN & ~RS232EN_1; + bcsr[1] = ~FETHIEN & ~RS232EN_1; return 0; } /* * (C) Copyright 2001 * Stuart Hughes stuarth@lineo.com * This file is based on similar values for other boards found in other * U-Boot config files, and some that I found in the mpc8260ads manual. * * Note: my board is a PILOT rev. * Note: the mpc8260ads doesn't come with a proper Ethernet MAC address. * * See file CREDITS for list of people who contributed to this * project. * * 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 */ /* * Config header file for a MPC8260ADS Pilot 16M Ram Simm, 8Mbytes Flash Simm */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ #define CONFIG_MPC8260ADS 1 /* ...on motorola ads board */ #define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */ /* allow serial and ethaddr to be overwritten */ #define CONFIG_ENV_OVERWRITE /* * select serial console configuration * * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 * for SCC). * * if CONFIG_CONS_NONE is defined, then the serial console routines must * defined elsewhere (for example, on the cogent platform, there are serial * ports on the motherboard which are used for the serial console - see * cogent/cma101/serial.[ch]). */ #undef CONFIG_CONS_ON_SMC /* define if console on SMC */ #define CONFIG_CONS_ON_SCC /* define if console on SCC */ #undef CONFIG_CONS_NONE /* define if console on something else */ #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ /* * select ethernet configuration * * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 * for FCC) * * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be * defined elsewhere (as for the console), or CFG_CMD_NET must be removed * from CONFIG_COMMANDS to remove support for networking. */ #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */ #undef CONFIG_ETHER_NONE /* define if ether on something else */ #define CONFIG_ETHER_INDEX 2 /* which channel for ether */ #if (CONFIG_ETHER_INDEX == 2) /* * - Rx-CLK is CLK13 * - Tx-CLK is CLK14 * - Select bus for bd/buffers (see 28-13) * - Half duplex */ # define CFG_CMXFCR_MASK (CMXFCR_FC2 | CMXFCR_RF2CS_MSK | CMXFCR_TF2CS_MSK) # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13 | CMXFCR_TF2CS_CLK14) # define CFG_CPMFCR_RAMTYPE 0 # define CFG_FCC_PSMR 0 #endif /* CONFIG_ETHER_INDEX */ /* other options */ #define CONFIG_HARD_I2C 1 /* To enable I2C support */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #if defined(CONFIG_SPD_EEPROM) && !defined(CONFIG_SPD_ADDR) #define CONFIG_SPD_ADDR 0x50 #endif #ifndef CONFIG_SDRAM_PBI #define CONFIG_SDRAM_PBI 1 /* By default, use page-based interleaving */ #endif #ifndef CONFIG_8260_CLKIN #define CONFIG_8260_CLKIN 66666666 /* in Hz */ #endif #define CONFIG_BAUDRATE 115200 #define CONFIG_COMMANDS (CFG_CMD_ALL & ~( \ CFG_CMD_BEDBUG | \ CFG_CMD_BMP | \ CFG_CMD_BSP | \ CFG_CMD_DATE | \ CFG_CMD_DOC | \ CFG_CMD_DTT | \ CFG_CMD_EEPROM | \ CFG_CMD_ELF | \ CFG_CMD_FDC | \ CFG_CMD_FDOS | \ CFG_CMD_HWFLOW | \ CFG_CMD_IDE | \ CFG_CMD_JFFS2 | \ CFG_CMD_KGDB | \ CFG_CMD_NAND | \ CFG_CMD_MII | \ CFG_CMD_PCI | \ CFG_CMD_PCMCIA | \ CFG_CMD_SCSI | \ CFG_CMD_SPI | \ CFG_CMD_VFD | \ CFG_CMD_USB ) ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #define CONFIG_BOOTCOMMAND "bootm 100000" /* autoboot command */ #define CONFIG_BOOTARGS "root=/dev/ram rw" #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ #define CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ #undef CONFIG_KGDB_NONE /* define if kgdb on something else */ #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ #define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port at */ #endif #undef CONFIG_WATCHDOG /* disable platform specific watchdog */ /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ #define CFG_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ #define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ /* for versions < 2.4.5-pre5 */ #define CFG_LOAD_ADDR 0x100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } #define CFG_FLASH_BASE 0xff800000 #define FLASH_BASE 0xff800000 #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */ #define CFG_MAX_FLASH_SECT 32 /* max num of sects on one chip */ #define CFG_FLASH_SIZE 8 #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ /* this is stuff came out of the Motorola docs */ #define CFG_DEFAULT_IMMR 0x0F010000 #define CFG_IMMR 0xF0000000 #define CFG_BCSR 0x04500000 #define CFG_SDRAM_BASE 0x00000000 #define CFG_LSDRAM_BASE 0x04000000 #define RS232EN_1 0x02000002 #define RS232EN_2 0x01000001 #define FETHIEN 0x08000008 #define FETH_RST 0x04000004 #define CFG_INIT_RAM_ADDR CFG_IMMR #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /* 0x0EA28205 */ #define CFG_HRCW_MASTER ( ( HRCW_BPS11 | HRCW_CIP ) |\ ( HRCW_L2CPC10 | HRCW_DPPC10 | HRCW_ISB010 ) |\ ( HRCW_BMS | HRCW_APPC10 ) |\ ( HRCW_MODCK_H0101 ) \ ) /* no slaves */ #define CFG_HRCW_SLAVE1 0 #define CFG_HRCW_SLAVE2 0 #define CFG_HRCW_SLAVE3 0 #define CFG_HRCW_SLAVE4 0 #define CFG_HRCW_SLAVE5 0 #define CFG_HRCW_SLAVE6 0 #define CFG_HRCW_SLAVE7 0 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #define CFG_MONITOR_BASE TEXT_BASE #if (CFG_MONITOR_BASE < CFG_FLASH_BASE) # define CFG_RAMBOOT #endif #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ #ifndef CFG_RAMBOOT # define CFG_ENV_IS_IN_FLASH 1 # define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) # define CFG_ENV_SECT_SIZE 0x40000 #else # define CFG_ENV_IS_IN_NVRAM 1 # define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000) # define CFG_ENV_SIZE 0x200 #endif /* CFG_RAMBOOT */ #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ #endif #define CFG_HID0_INIT 0 #define CFG_HID0_FINAL (HID0_ICE | HID0_IFEM | HID0_ABE ) #define CFG_HID2 0 #define CFG_SYPCR 0xFFFFFFC3 #define CFG_BCR 0x100C0000 #define CFG_SIUMCR 0x0A200000 #define CFG_SCCR 0x00000000 #define CFG_BR0_PRELIM 0xFF801801 #define CFG_OR0_PRELIM 0xFF800836 #define CFG_BR1_PRELIM 0x04501801 #define CFG_OR1_PRELIM 0xFFFF8010 #define CFG_RMR 0 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) #define CFG_RCCR 0 #define CFG_PSDMR 0x016EB452 #define CFG_MPTPR 0x00001900 #define CFG_PSRT 0x00000021 #define CFG_RESET_ADDRESS 0x04400000 #endif /* __CONFIG_H */ - Add MII support for MPC8260ADS board - Fix Ethernet PHY initialisation for MPC8260ADS board to allow 100Mb/s full-duplex work