diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rwxr-xr-x | MAKEALL | 2 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | board/csb637/Makefile | 46 | ||||
| -rw-r--r-- | board/csb637/config.mk | 1 | ||||
| -rw-r--r-- | board/csb637/csb637.c | 83 | ||||
| -rw-r--r-- | board/csb637/u-boot.lds | 56 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/Makefile | 3 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/bcm5221.c | 232 | ||||
| -rw-r--r-- | include/bcm5221.h | 104 | ||||
| -rw-r--r-- | include/configs/csb637.h | 235 |
11 files changed, 766 insertions, 2 deletions
@@ -2,6 +2,9 @@ Changes for U-Boot 1.1.4: ====================================================================== +* Add support for Cogent csb637 + Patch by Anders Larsen, 29 Apr 2005 + * Fix dm9161.c initialization Patch by Anders Larsen, 29 Apr 2005 @@ -171,7 +171,7 @@ LIST_ARM7=" \ ######################################################################### LIST_ARM9=" \ - at91rm9200dk cmc_pu2 \ + at91rm9200dk cmc_pu2 csb637 \ integratorap_CM920T integratorap_CM920T_ETM \ integratorap_CM922T_XA10 integratorap_CM926EJ_S \ integratorap_CM940T integratorap_CM946E_S \ @@ -1390,6 +1390,9 @@ at91rm9200dk_config : unconfig cmc_pu2_config : unconfig @./mkconfig $(@:_config=) arm arm920t cmc_pu2 NULL at91rm9200 +csb637_config : unconfig + @./mkconfig $(@:_config=) arm arm920t csb637 NULL at91rm9200 + mp2usb_config : unconfig @./mkconfig $(@:_config=) arm arm920t mp2usb NULL at91rm9200 diff --git a/board/csb637/Makefile b/board/csb637/Makefile new file mode 100644 index 000000000..61d5a35dd --- /dev/null +++ b/board/csb637/Makefile @@ -0,0 +1,46 @@ +# +# (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 +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := csb637.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/csb637/config.mk b/board/csb637/config.mk new file mode 100644 index 000000000..7e1457da8 --- /dev/null +++ b/board/csb637/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x23fe0000 diff --git a/board/csb637/csb637.c b/board/csb637/csb637.c new file mode 100644 index 000000000..2356d23b0 --- /dev/null +++ b/board/csb637/csb637.c @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.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 + */ + +#include <common.h> +#include <asm/arch/AT91RM9200.h> +#include <at91rm9200_net.h> +#include <bcm5221.h> + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +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 */ + + /* arch number of AT91RM9200DK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200; + /* 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; +} + +#ifdef CONFIG_DRIVER_ETHER +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * at91rm9200_GetPhyInterface + * Description: + * Initialise the interface functions to the PHY + * Arguments: + * None + * Return value: + * None + */ +void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops) +{ + p_phyops->Init = bcm5221_InitPhy; + p_phyops->IsPhyConnected = bcm5221_IsPhyConnected; + p_phyops->GetLinkSpeed = bcm5221_GetLinkSpeed; + p_phyops->AutoNegotiate = bcm5221_AutoNegotiate; +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/board/csb637/u-boot.lds b/board/csb637/u-boot.lds new file mode 100644 index 000000000..76df6b2af --- /dev/null +++ b/board/csb637/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 = .; +} diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile index b06302580..aec9cb640 100644 --- a/cpu/arm920t/at91rm9200/Makefile +++ b/cpu/arm920t/at91rm9200/Makefile @@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk LIB = lib$(SOC).a -OBJS = dm9161.o ether.o i2c.o interrupts.o lxt972.o serial.o usb_ohci.o +OBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \ + lxt972.o serial.o usb_ohci.o SOBJS = lowlevel_init.o all: .depend $(LIB) diff --git a/cpu/arm920t/at91rm9200/bcm5221.c b/cpu/arm920t/at91rm9200/bcm5221.c new file mode 100644 index 000000000..6db143562 --- /dev/null +++ b/cpu/arm920t/at91rm9200/bcm5221.c @@ -0,0 +1,232 @@ +/* + * Broadcom BCM5221 Ethernet PHY + * + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.de> + * + * (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 + */ + +#include <at91rm9200_net.h> +#include <net.h> +#include <bcm5221.h> + +#ifdef CONFIG_DRIVER_ETHER + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +/* + * Name: + * bcm5221_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 + */ +unsigned int bcm5221_IsPhyConnected (AT91PS_EMAC p_mac) +{ + unsigned short Id1, Id2; + + at91rm9200_EmacEnableMDIO (p_mac); + at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID1, &Id1); + at91rm9200_EmacReadPhy (p_mac, BCM5221_PHYID2, &Id2); + at91rm9200_EmacDisableMDIO (p_mac); + + if ((Id1 == (BCM5221_PHYID1_OUI >> 6)) && + ((Id2 >> 10) == (BCM5221_PHYID1_OUI & BCM5221_LSB_MASK))) + return TRUE; + + return FALSE; +} + +/* + * Name: + * bcm5221_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 + */ +unsigned char bcm5221_GetLinkSpeed (AT91PS_EMAC p_mac) +{ + unsigned short stat1, stat2; + + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &stat1)) + return FALSE; + + if (!(stat1 & BCM5221_LINK_STATUS)) /* link status up? */ + return FALSE; + + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ACSR, &stat2)) + return FALSE; + + if ((stat1 & BCM5221_100BASE_TX_FD) && (stat2 & BCM5221_100) && (stat2 & BCM5221_FDX)) { + /*set Emac for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & BCM5221_10BASE_T_FD) && !(stat2 & BCM5221_100) && (stat2 & BCM5221_FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + + if ((stat1 & BCM5221_100BASE_TX_HD) && (stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) { + /*set MII for 100BaseTX and Half Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_SPD; + return TRUE; + } + + if ((stat1 & BCM5221_10BASE_T_HD) && !(stat2 & BCM5221_100) && !(stat2 & BCM5221_FDX)) { + /*set MII for 10BaseT and Half Duplex */ + p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD); + return TRUE; + } + return FALSE; +} + + +/* + * Name: + * bcm5221_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 + */ +unsigned char bcm5221_InitPhy (AT91PS_EMAC p_mac) +{ + unsigned char ret = TRUE; + unsigned short IntValue; + + at91rm9200_EmacEnableMDIO (p_mac); + + if (!bcm5221_GetLinkSpeed (p_mac)) { + /* Try another time */ + ret = bcm5221_GetLinkSpeed (p_mac); + } + + /* Disable PHY Interrupts */ + at91rm9200_EmacReadPhy (p_mac, BCM5221_INTR, &IntValue); + /* clear FDX LED and INTR Enable */ + IntValue &= ~(BCM5221_FDX_LED | BCM5221_INTR_ENABLE); + /* set FDX, SPD, Link, INTR masks */ + IntValue |= (BCM5221_FDX_MASK | BCM5221_SPD_MASK | + BCM5221_LINK_MASK | BCM5221_INTR_MASK); + at91rm9200_EmacWritePhy (p_mac, BCM5221_INTR, &IntValue); + at91rm9200_EmacDisableMDIO (p_mac); + + return (ret); +} + + +/* + * Name: + * bcm5221_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 + */ +unsigned char bcm5221_AutoNegotiate (AT91PS_EMAC p_mac, int *status) +{ + unsigned short value; + unsigned short PhyAnar; + unsigned short PhyAnalpar; + + /* Set bcm5221 control register */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + value &= ~BCM5221_AUTONEG; /* remove autonegotiation enable */ + value |= BCM5221_ISOLATE; /* Electrically isolate PHY */ + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + /* Set the Auto_negotiation Advertisement Register */ + /* MII advertising for 100BaseTxFD and HD, 10BaseTFD and HD, IEEE 802.3 */ + PhyAnar = BCM5221_TX_FDX | BCM5221_TX_HDX | + BCM5221_10_FDX | BCM5221_10_HDX | BCM5221_AN_IEEE_802_3; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_ANAR, &PhyAnar)) + return FALSE; + + /* Read the Control Register */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + value |= BCM5221_SPEED_SELECT | BCM5221_AUTONEG | BCM5221_DUPLEX_MODE; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + /* Restart Auto_negotiation */ + value |= BCM5221_RESTART_AUTONEG; + value &= ~BCM5221_ISOLATE; + if (!at91rm9200_EmacWritePhy (p_mac, BCM5221_BMCR, &value)) + return FALSE; + + /*check AutoNegotiate complete */ + udelay (10000); + at91rm9200_EmacReadPhy (p_mac, BCM5221_BMSR, &value); + if (!(value & BCM5221_AUTONEG_COMP)) + return FALSE; + + /* Get the AutoNeg Link partner base page */ + if (!at91rm9200_EmacReadPhy (p_mac, BCM5221_ANLPAR, &PhyAnalpar)) + return FALSE; + + if ((PhyAnar & BCM5221_TX_FDX) && (PhyAnalpar & BCM5221_TX_FDX)) { + /*set MII for 100BaseTX and Full Duplex */ + p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD; + return TRUE; + } + + if ((PhyAnar & BCM5221_10_FDX) && (PhyAnalpar & BCM5221_10_FDX)) { + /*set MII for 10BaseT and Full Duplex */ + p_mac->EMAC_CFG = (p_mac->EMAC_CFG & + ~(AT91C_EMAC_SPD | AT91C_EMAC_FD)) + | AT91C_EMAC_FD; + return TRUE; + } + return FALSE; +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NET */ + +#endif /* CONFIG_DRIVER_ETHER */ diff --git a/include/bcm5221.h b/include/bcm5221.h new file mode 100644 index 000000000..6fb94aaef --- /dev/null +++ b/include/bcm5221.h @@ -0,0 +1,104 @@ +/* + * Broadcom BCM5221 Ethernet PHY + * + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.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 + */ + +#define BCM5221_BMCR 0 /* Basic Mode Control Register */ +#define BCM5221_BMSR 1 /* Basic Mode Status Register */ +#define BCM5221_PHYID1 2 /* PHY Identifier Register 1 */ +#define BCM5221_PHYID2 3 /* PHY Identifier Register 2 */ +#define BCM5221_ANAR 4 /* Auto-negotiation Advertisement Register */ +#define BCM5221_ANLPAR 5 /* Auto-negotiation Link Partner Ability Register */ +#define BCM5221_ANER 6 /* Auto-negotiation Expansion Register */ +#define BCM5221_ACSR 24 /* Auxiliary Control/Status Register */ +#define BCM5221_INTR 26 /* Interrupt Register */ + +/* --Bit definitions: BCM5221_BMCR */ +#define BCM5221_RESET (1 << 15) /* 1= Software Reset; 0=Normal Operation */ +#define BCM5221_LOOPBACK (1 << 14) /* 1=loopback Enabled; 0=Normal Operation */ +#define BCM5221_SPEED_SELECT (1 << 13) /* 1=100Mbps; 0=10Mbps */ +#define BCM5221_AUTONEG (1 << 12) +#define BCM5221_POWER_DOWN (1 << 11) +#define BCM5221_ISOLATE (1 << 10) +#define BCM5221_RESTART_AUTONEG (1 << 9) +#define BCM5221_DUPLEX_MODE (1 << 8) +#define BCM5221_COLLISION_TEST (1 << 7) + +/*--Bit definitions: BCM5221_BMSR */ +#define BCM5221_100BASE_T4 (1 << 15) +#define BCM5221_100BASE_TX_FD (1 << 14) +#define BCM5221_100BASE_TX_HD (1 << 13) +#define BCM5221_10BASE_T_FD (1 << 12) +#define BCM5221_10BASE_T_HD (1 << 11) +#define BCM5221_MF_PREAMB_SUPPR (1 << 6) +#define BCM5221_AUTONEG_COMP (1 << 5) +#define BCM5221_REMOTE_FAULT (1 << 4) +#define BCM5221_AUTONEG_ABILITY (1 << 3) +#define BCM5221_LINK_STATUS (1 << 2) +#define BCM5221_JABBER_DETECT (1 << 1) +#define BCM5221_EXTEND_CAPAB (1 << 0) + +/*--definitions: BCM5221_PHYID1 */ +#define BCM5221_PHYID1_OUI 0x1018 +#define BCM5221_LSB_MASK 0x3F + +/*--Bit definitions: BCM5221_ANAR, BCM5221_ANLPAR */ +#define BCM5221_NP (1 << 15) +#define BCM5221_ACK (1 << 14) +#define BCM5221_RF (1 << 13) +#define BCM5221_FCS (1 << 10) +#define BCM5221_T4 (1 << 9) +#define BCM5221_TX_FDX (1 << 8) +#define BCM5221_TX_HDX (1 << 7) +#define BCM5221_10_FDX (1 << 6) +#define BCM5221_10_HDX (1 << 5) +#define BCM5221_AN_IEEE_802_3 0x0001 + +/*--Bit definitions: BCM5221_ANER */ +#define BCM5221_PDF (1 << 4) +#define BCM5221_LP_NP_ABLE (1 << 3) +#define BCM5221_NP_ABLE (1 << 2) +#define BCM5221_PAGE_RX (1 << 1) +#define BCM5221_LP_AN_ABLE (1 << 0) + +/*--Bit definitions: BCM5221_ACSR */ +#define BCM5221_100 (1 << 1) +#define BCM5221_FDX (1 << 0) + +/*--Bit definitions: BCM5221_INTR */ +#define BCM5221_FDX_LED (1 << 15) +#define BCM5221_INTR_ENABLE (1 << 14) +#define BCM5221_FDX_MASK (1 << 11) +#define BCM5221_SPD_MASK (1 << 10) +#define BCM5221_LINK_MASK (1 << 9) +#define BCM5221_INTR_MASK (1 << 8) +#define BCM5221_FDX_CHG (1 << 3) +#define BCM5221_SPD_CHG (1 << 2) +#define BCM5221_LINK_CHG (1 << 1) +#define BCM5221_INTR_STATUS (1 << 0) + +/****************** function prototypes **********************/ +unsigned int bcm5221_IsPhyConnected(AT91PS_EMAC p_mac); +unsigned char bcm5221_GetLinkSpeed(AT91PS_EMAC p_mac); +unsigned char bcm5221_AutoNegotiate(AT91PS_EMAC p_mac, int *status); +unsigned char bcm5221_InitPhy(AT91PS_EMAC p_mac); diff --git a/include/configs/csb637.h b/include/configs/csb637.h new file mode 100644 index 000000000..d2c305daf --- /dev/null +++ b/include/configs/csb637.h @@ -0,0 +1,235 @@ +/* + * (C) Copyright 2005 REA Elektronik GmbH <www.rea.de> + * Anders Larsen <alarsen@rea.de> + * + * Configuation settings for the Cogent CSB637 board. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* ARM asynchronous clock */ +#define AT91C_MAIN_CLOCK 184320000 /* from 3.6864 MHz crystal (3686400 * 50) */ +#define AT91C_MASTER_CLOCK 46080000 /* (AT91C_MAIN_CLOCK/4) peripheral clock */ + +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + +#define CONFIG_ARM920T 1 /* This is an ARM920T Core */ +#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ +#define USE_920T_MMU 1 + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT +#define CFG_USE_MAIN_OSCILLATOR 1 +/* flash */ +#define MC_PUIA_VAL 0x00000000 +#define MC_PUP_VAL 0x00000000 +#define MC_PUER_VAL 0x00000000 +#define MC_ASR_VAL 0x00000000 +#define MC_AASR_VAL 0x00000000 +#define EBI_CFGR_VAL 0x00000000 +#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ + +/* clocks */ +#define PLLAR_VAL 0x2031BE01 /* 184.320000 MHz for PCK */ +#define PLLBR_VAL 0x128A3E19 /* 47.996928 MHz (divider by 2 for USB) */ +#define MCKR_VAL 0x00000302 /* PCK/4 = MCK Master Clock = 46.080000 MHz from PLLA */ + +/* sdram */ +#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ +#define PIOC_BSR_VAL 0x00000000 +#define PIOC_PDR_VAL 0xFFFF0000 +#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */ +#define SDRC_CR_VAL 0x21914159 /* set up the SDRAM */ +#define SDRAM 0x20000000 /* address of the SDRAM */ +#define SDRAM1 0x20000080 /* address of the SDRAM */ +#define SDRAM_VAL 0x00000000 /* value written to SDRAM */ +#define SDRC_MR_VAL 0x00000002 /* Precharge All */ +#define SDRC_MR_VAL1 0x00000004 /* refresh */ +#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ +#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */ +#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +#define CONFIG_BAUDRATE 38400 + +#define CFG_AT91C_BRGR_DIVISOR 75 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ + +/* + * Hardware drivers + */ + +/* define one of these to choose the DBGU, USART0 or USART1 as console */ +#define CONFIG_DBGU +#undef CONFIG_USART0 +#undef CONFIG_USART1 + +#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ + +#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ + +#define CONFIG_BOOTDELAY 3 +/* #define CONFIG_ENV_OVERWRITE 1 */ + +#define CONFIG_COMMANDS \ + ((CONFIG_CMD_DFL | \ + CFG_CMD_JFFS2 | \ + CFG_CMD_DHCP | \ + CFG_CMD_PING ) & \ + ~(CFG_CMD_BDI | \ + CFG_CMD_IMI | \ + CFG_CMD_AUTOSCRIPT | \ + CFG_CMD_FPGA | \ + CFG_CMD_MISC | \ + CFG_CMD_LOADS )) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define SECTORSIZE 512 + +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 +#define NAND_MAX_CHIPS 1 + +#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */ +#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */ + +#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0) +#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0) + +#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2)) + +#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0) +#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0) +#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0) +#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr)) +/* the following are NOP's in our implementation */ +#define NAND_CTL_CLRALE(nandptr) +#define NAND_CTL_SETALE(nandptr) +#define NAND_CTL_CLRCLE(nandptr) +#define NAND_CTL_SETCLE(nandptr) + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM 0x20000000 +#define PHYS_SDRAM_SIZE 0x4000000 /* 64 megs */ + +#define CFG_MEMTEST_START PHYS_SDRAM +#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 512*1024 - 4 +#define CFG_ALT_MEMTEST 1 +#define CFG_MEMTEST_SCRATCH CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 4 + +#define CONFIG_DRIVER_ETHER +#define CONFIG_NET_RETRY_COUNT 20 +#undef CONFIG_AT91C_USE_RMII + +#undef CONFIG_HAS_DATAFLASH +#define CFG_SPI_WRITE_TOUT (5*CFG_HZ) +#define CFG_MAX_DATAFLASH_BANKS 0 +#define CFG_MAX_DATAFLASH_PAGES 16384 +#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ +#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */ + +/* + * FLASH Device configuration + */ +#define PHYS_FLASH_1 0x10000000 +#define PHYS_FLASH_SIZE 0x800000 /* 8 megs main flash */ +#define CFG_FLASH_BASE PHYS_FLASH_1 +#define CFG_FLASH_CFI 1 /* flash is CFI conformant */ +#define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ +#define CFG_FLASH_EMPTY_INFO +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */ +#define CFG_FLASH_INCREMENT 0 /* there is only one bank */ +#define CFG_FLASH_PROTECTION 1 /* hardware flash protection */ +#define CFG_MAX_FLASH_SECT 64 + +#define CFG_JFFS2_FIRST_BANK 0 +#define CFG_JFFS2_FIRST_SECTOR 3 +#define CFG_JFFS2_NUM_BANKS 1 + +#undef CFG_ENV_IS_IN_DATAFLASH + +#ifdef CFG_ENV_IS_IN_DATAFLASH +#define CFG_ENV_OFFSET 0x20000 +#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x2000 /* 0x8000 */ +#else +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* after u-boot.bin */ +#define CFG_ENV_SIZE 0x20000 /* sectors are 128K here */ +#endif /* CFG_ENV_IS_IN_DATAFLASH */ + + +#define CFG_LOAD_ADDR 0x21000000 /* default load address */ + +#define CFG_BAUDRATE_TABLE {115200, 57600, 38400, 19200, 9600 } + +#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ + +#ifndef __ASSEMBLY__ +/*----------------------------------------------------------------------- + * Board specific extension for bd_info + * + * This structure is embedded in the global bd_info (bd_t) structure + * and can be used by the board specific code (eg board/...) + */ + +struct bd_info_ext { + /* helper variable for board environment handling + * + * env_crc_valid == 0 => uninitialised + * env_crc_valid > 0 => environment crc in flash is valid + * env_crc_valid < 0 => environment crc in flash is invalid + */ + int env_crc_valid; +}; +#endif + +#define CFG_HZ 1000 +#define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ + /* AT91C_TC_TIMER_DIV1_CLOCK */ + +#define CONFIG_STACKSIZE (32*1024) /* regular stack */ + +#ifdef CONFIG_USE_IRQ +#error CONFIG_USE_IRQ not supported +#endif + +#endif |