From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Thu, 17 Jan 2008 10:07:25 +0100 Subject: [U-Boot-Users] [PATCH] ppc_4xx resubmit: netstal/common define routines used by all boards In-Reply-To: <1200560356-21332-1-git-send-email-niklaus.giger@netstal.com> References: <1200560356-21332-1-git-send-email-niklaus.giger@netstal.com> Message-ID: <200801171007.26076.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thursday 17 January 2008, Niklaus Giger wrote: > Added some routines used by all Netstal boards: > - nm_bsp.c: - nm_show_print and > - common_misc_init_r > - set_params_for_sw_install. Bery specific code to handle our SW > installation procedure > - fixed_sdram.c: Common routines for HCU4 (and upcoming) MCU25 boards > to handle sdram initialization. > - nm.h: Common header Please see below. > Signed-off-by: Niklaus Giger > --- > board/netstal/common/fixed_sdram.c | 106 +++++++++++++++++++++++++++++ > board/netstal/common/nm.h | 40 +++++++++++ > board/netstal/common/nm_bsp.c | 128 > +++++++++++++++++++++++++++++++----- 3 files changed, 258 insertions(+), 16 > deletions(-) > create mode 100644 board/netstal/common/fixed_sdram.c > create mode 100644 board/netstal/common/nm.h > > diff --git a/board/netstal/common/fixed_sdram.c > b/board/netstal/common/fixed_sdram.c new file mode 100644 > index 0000000..65b297f > --- /dev/null > +++ b/board/netstal/common/fixed_sdram.c > @@ -0,0 +1,106 @@ > +/* > + *(C) Copyright 2005-2008 Netstal Maschinen AG > + * Niklaus Giger (Niklaus.Giger at netstal.com) > + * > + * This source code is free software; you can redistribute it > + * and/or modify it in source code form 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 > +#include > +#include > +#include "nm.h" > + > +#if defined(DEBUG) > +void show_sdram_registers(void) > +{ > + u32 value; > + > + printf("SDRAM Controller Registers --\n"); > + mfsdram(mem_mcopt1, value); > + printf(" SDRAM0_CFG : 0x%08x\n", value); > + mfsdram(mem_status, value); > + printf(" SDRAM0_STATUS: 0x%08x\n", value); > + mfsdram(mem_mb0cf, value); > + printf(" SDRAM0_B0CR : 0x%08x\n", value); > + mfsdram(mem_mb1cf, value); > + printf(" SDRAM0_B1CR : 0x%08x\n", value); > + mfsdram(mem_sdtr1, value); > + printf(" SDRAM0_TR : 0x%08x\n", value); > + mfsdram(mem_rtr, value); > + printf(" SDRAM0_RTR : 0x%08x\n", value); > +} > +#endif > + > +long int fixed_hcu4_sdram (unsigned int dram_size) > +{ > +#ifdef DEBUG > + printf(__FUNCTION__); > +#endif > + /* disable memory controller */ > + mtsdram(mem_mcopt1, 0x00000000); > + > + udelay (500); > + > + /* Clear SDRAM0_BESR0 (Bus Error Syndrome Register) */ > + mtsdram(mem_besra, 0xffffffff); > + > + /* Clear SDRAM0_BESR1 (Bus Error Syndrome Register) */ > + mtsdram(mem_besrb, 0xffffffff); > + > + /* Clear SDRAM0_ECCCFG (disable ECC) */ > + mtsdram(mem_ecccf, 0x00000000); > + > + /* Clear SDRAM0_ECCESR (ECC Error Syndrome Register) */ > + mtsdram(mem_eccerr, 0xffffffff); > + > + /* Timing register: CASL=2, PTA=2, CTP=2, LDF=1, RFTA=5, RCD=2 > + */ > + mtsdram(mem_sdtr1, 0x008a4015); > + > + /* Memory Bank 0 Config == BA=0x00000000, SZ=64M, AM=3, BE=1 > + * and refresh timer > + */ > + switch (dram_size >> 20) { > + case 32: > + mtsdram(mem_mb0cf, 0x00062001); > + mtsdram(mem_rtr, 0x07F00000); > + break; > + case 64: > + mtsdram(mem_mb0cf, 0x00084001); > + mtsdram(mem_rtr, 0x04100000); > + break; > + case 128: > + mtsdram(mem_mb0cf, 0x000A4001); > + mtsdram(mem_rtr, 0x04100000); > + break; > + default: > + printf("Some error here...\n"); Heh. This was just an example that you should fill with a reasonable error message. :) Please fix and resubmit. Thanks. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de =====================================================================