diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/kb9202/Makefile | 49 | ||||
| -rw-r--r-- | board/kb9202/config.mk | 1 | ||||
| -rw-r--r-- | board/kb9202/kb9202.c | 66 | ||||
| -rw-r--r-- | board/kb9202/lxt972.c | 209 | ||||
| -rw-r--r-- | board/kb9202/u-boot.lds | 56 |
5 files changed, 381 insertions, 0 deletions
diff --git a/board/kb9202/Makefile b/board/kb9202/Makefile new file mode 100644 index 0000000..a62d849 --- /dev/null +++ b/board/kb9202/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 +# +# Adapted for KwikByte KB920x boards - APR2005 +# +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := kb9202.o lxt972.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/kb9202/config.mk b/board/kb9202/config.mk new file mode 100644 index 0000000..9ce161e --- /dev/null +++ b/board/kb9202/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x21f00000 diff --git a/board/kb9202/kb9202.c b/board/kb9202/kb9202.c new file mode 100644 index 0000000..bab6426 --- /dev/null +++ b/board/kb9202/kb9202.c @@ -0,0 +1,66 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * 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 + */ + +/* + * Adatped for KwikByte KB920x board from at91rm9200dk.c: 22APR2005 + */ + +#include <common.h> +#include <asm/arch/AT91RM9200.h> + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +void lowlevel_init(void) { + /* Required by assembly functions - do nothing */ +} + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* Enable Ctrlc */ + console_init_f (); + + /* memory and cpu-speed are setup before relocation */ + /* so we do _nothing_ here */ + + gd->bd->bi_arch_number = MACH_TYPE_KB9200; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + return 0; +} diff --git a/board/kb9202/lxt972.c b/board/kb9202/lxt972.c new file mode 100644 index 0000000..2baddbd --- /dev/null +++ b/board/kb9202/lxt972.c @@ -0,0 +1,209 @@ +/* + * + * (C) Copyright 2003 + * Author : Hamid Ikdoumi (Atmel) + * + * 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 + */ + +/* + * Adatped for KwikByte KB920x board: 22APR2005 + */ + +#include <at91rm9200_net.h> +#include <net.h> +#include <lxt971a.h> + +#ifdef CONFIG_DRIVER_ETHER + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * lxt972_IsPhyConnected + * Description: + * Reads the 2 PHY ID registers + * Arguments: + * p_mac - pointer to AT91S_EMAC struct + * Return value: + * TRUE - if id read successfully + * FALSE- if error + */ +static unsigned int lxt972_IsPhyConnected (AT91PS_EMAC p_mac) +{ + unsigned short Id1, Id2; + + at91rm9200_EmacEnableMDIO (p_mac); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_ID1, &Id1); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_ID2, &Id2); + at91rm9200_EmacDisableMDIO (p_mac); + + if ((Id1 == (0x0013)) && ((Id2 & 0xFFF0) == 0x78E0)) + return TRUE; + + return FALSE; +} + +/* + * Name: + * lxt972_GetLinkSpeed + * Description: + * Link parallel detection status of MAC is checked and set in the + * MAC configuration registers + * Arguments: + * p_mac - pointer to MAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +static UCHAR lxt972_GetLinkSpeed (AT91PS_EMAC p_mac) +{ + unsigned short stat1; + + if (!at91rm9200_EmacReadPhy (p_mac, PHY_LXT971_STAT2, &stat1)) + return FALSE; + + if (!(stat1 & PHY_LXT971_STAT2_LINK)) /* link status up? */ + return FALSE; + + if (stat1 & PHY_LXT971_STAT2_100BTX) { + + if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { + + /*set Emac for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + } else { + + /*set Emac for 100BaseTX and Half Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_SPD; + } + + return TRUE; + + } else { + + if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) { + + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + } else { + + /*set MII for 10BaseT and Half Duplex */ + p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); + } + + return TRUE; + } + + return FALSE; +} + + +/* + * Name: + * lxt972_InitPhy + * Description: + * MAC starts checking its link by using parallel detection and + * Autonegotiation and the same is set in the MAC configuration registers + * Arguments: + * p_mac - pointer to struct AT91S_EMAC + * Return value: + * TRUE - if link status set succesfully + * FALSE - if link status not set + */ +static UCHAR lxt972_InitPhy (AT91PS_EMAC p_mac) +{ + UCHAR ret = TRUE; + + at91rm9200_EmacEnableMDIO (p_mac); + + if (!lxt972_GetLinkSpeed (p_mac)) { + /* Try another time */ + ret = lxt972_GetLinkSpeed (p_mac); + } + + /* Disable PHY Interrupts */ + at91rm9200_EmacWritePhy (p_mac, PHY_LXT971_INT_ENABLE, 0); + + at91rm9200_EmacDisableMDIO (p_mac); + + return (ret); +} + + +/* + * Name: + * lxt972_AutoNegotiate + * Description: + * MAC Autonegotiates with the partner status of same is set in the + * MAC configuration registers + * Arguments: + * dev - pointer to struct net_device + * Return value: + * TRUE - if link status set successfully + * FALSE - if link status not set + */ +static UCHAR lxt972_AutoNegotiate (AT91PS_EMAC p_mac, int *status) +{ + unsigned short value; + + /* Set lxt972 control register */ + if (!at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_CTRL, &value)) + return FALSE; + + /* Restart Auto_negotiation */ + value |= PHY_COMMON_CTRL_RES_AUTO; + if (!at91rm9200_EmacWritePhy (p_mac, PHY_COMMON_CTRL, &value)) + return FALSE; + + /*check AutoNegotiate complete */ + udelay (10000); + at91rm9200_EmacReadPhy (p_mac, PHY_COMMON_STAT, &value); + if (!(value & PHY_COMMON_STAT_AN_COMP)) + return FALSE; + + return (lxt972_GetLinkSpeed (p_mac)); +} + + +/* + * Name: + * at91rm92000_GetPhyInterface + * Description: + * Initialise the interface functions to the PHY + * Arguments: + * None + * Return value: + * None + */ +void at91rm92000_GetPhyInterface(AT91PS_PhyOps p_phyops) +{ + p_phyops->Init = lxt972_InitPhy; + p_phyops->IsPhyConnected = lxt972_IsPhyConnected; + p_phyops->GetLinkSpeed = lxt972_GetLinkSpeed; + p_phyops->AutoNegotiate = lxt972_AutoNegotiate; +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/board/kb9202/u-boot.lds b/board/kb9202/u-boot.lds new file mode 100644 index 0000000..76df6b2 --- /dev/null +++ b/board/kb9202/u-boot.lds @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * 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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/ +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm920t/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} |