/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * Modified for CMC_PU2 (removed Smart Media support) by Gary Jennejohn * (2004) garyj@denx.de * * Modified for CMC_BASIC by Martin Krause (2005), TQ-Systems GmbH * * 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/mach-types.h> #include <asm/arch/AT91RM9200.h> #include <at91rm9200_net.h> #include <dm9161.h> DECLARE_GLOBAL_DATA_PTR; /* ------------------------------------------------------------------------- */ /* * Miscelaneous platform dependent initialisations */ #define CMC_HP_BASIC 1 #define CMC_PU2 2 #define CMC_BASIC 4 int hw_detect (void); int board_init (void) { AT91PS_PIO piob = AT91C_BASE_PIOB; AT91PS_PIO pioc = AT91C_BASE_PIOC; /* Enable Ctrlc */ console_init_f (); /* Correct IRDA resistor problem */ /* Set PA23_TXD in Output */ /* (AT91PS_PIO) AT91C_BASE_PIOA->PIO_OER = AT91C_PA23_TXD2; */ /* memory and cpu-speed are setup before relocation */ /* so we do _nothing_ here */ /* PIOB and PIOC clock enabling */ *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB; *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC; /* * configure PC0-PC3 as input without pull ups, so RS485 driver enable * (CMC-PU2) and digital outputs (CMC-BASIC) are deactivated. */ pioc->PIO_ODR = AT91C_PIO_PC0 | AT91C_PIO_PC1 | AT91C_PIO_PC2 | AT91C_PIO_PC3; pioc->PIO_PPUDR = AT91C_PIO_PC0 | AT91C_PIO_PC1 | AT91C_PIO_PC2 | AT91C_PIO_PC3; pioc->PIO_PER = AT91C_PIO_PC0 | AT91C_PIO_PC1 | AT91C_PIO_PC2 | AT91C_PIO_PC3; /* * On CMC-PU2 board configure PB3-PB6 to input without pull ups to * clear the duo LEDs (the external pull downs assure a proper * signal). On CMC-BASIC and CMC-HP-BASIC set PB3-PB6 to output and * drive it high, to configure current measurement on AINx. */ if (hw_detect() & CMC_PU2) { piob->PIO_ODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | AT91C_PIO_PB5 | AT91C_PIO_PB6; } else if ((hw_detect() & CMC_BASIC) || (hw_detect() & CMC_HP_BASIC)) { piob->PIO_SODR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | AT91C_PIO_PB5 | AT91C_PIO_PB6; piob->PIO_OER = AT91C_PIO_PB3 | AT91C_PIO_PB4 | AT91C_PIO_PB5 | AT91C_PIO_PB6; } piob->PIO_PPUDR = AT91C_PIO_PB3 | AT91C_PIO_PB4 | AT91C_PIO_PB5 | AT91C_PIO_PB6; piob->PIO_PER = AT91C_PIO_PB3 | AT91C_PIO_PB4 | AT91C_PIO_PB5 | AT91C_PIO_PB6; /* * arch number of CMC_PU2-Board. MACH_TYPE_CMC_PU2 is not supported in * the linuxarm kernel, yet. */ /* gd->bd->bi_arch_number = MACH_TYPE_CMC_PU2; */ gd->bd->bi_arch_number = 251; /* adress of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; return 0; } int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM; gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; return 0; } int checkboard (void) { if (hw_detect() & CMC_PU2) puts ("Board: CMC-PU2 (Rittal GmbH)\n"); else if (hw_detect() & CMC_BASIC) puts ("Board: CMC-BASIC (Rittal GmbH)\n"); else if (hw_detect() & CMC_HP_BASIC) puts ("Board: CMC-HP-BASIC (Rittal GmbH)\n"); else puts ("Board: unknown\n"); return 0; } int hw_detect (void) { AT91PS_PIO pio = AT91C_BASE_PIOB; /* PIOB clock enabling */ *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB; /* configure PB12 as input without pull up */ pio->PIO_ODR = AT91C_PIO_PB12; pio->PIO_PPUDR = AT91C_PIO_PB12; pio->PIO_PER = AT91C_PIO_PB12; /* configure PB13 as input without pull up */ pio->PIO_ODR = AT91C_PIO_PB13; pio->PIO_PPUDR = AT91C_PIO_PB13; pio->PIO_PER = AT91C_PIO_PB13; /* read board identification pin */ if (pio->PIO_PDSR & AT91C_PIO_PB12) return ((pio->PIO_PDSR & AT91C_PIO_PB13) ? CMC_PU2 : 0); else return ((pio->PIO_PDSR & AT91C_PIO_PB13) ? CMC_HP_BASIC : CMC_BASIC); } #ifdef CONFIG_DRIVER_ETHER #if defined(CONFIG_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 = dm9161_InitPhy; p_phyops->IsPhyConnected = dm9161_IsPhyConnected; p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed; p_phyops->AutoNegotiate = dm9161_AutoNegotiate; } #endif #endif /* CONFIG_DRIVER_ETHER */