mirror of
https://github.com/AsahiLinux/u-boot
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396 lines
17 KiB
C
396 lines
17 KiB
C
/*
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* (C) Copyright 2008
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <mpc8260.h>
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#include <ioports.h>
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#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#endif
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/*
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* I/O Port configuration table
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*
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* if conf is 1, then that port pin will be configured at boot time
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* according to the five values podr/pdir/ppar/psor/pdat for that entry
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*/
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const iop_conf_t iop_conf_tab[4][32] = {
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/* Port A */
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{ /* conf ppar psor pdir podr pdat */
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/* PA31 */ { 0, 0, 0, 0, 0, 0 }, /* PA31 */
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/* PA30 */ { 0, 0, 0, 0, 0, 0 }, /* PA30 */
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/* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXER */
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/* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXEN */
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/* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXDV */
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/* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXER */
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/* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_PWRDWN */
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/* PA24 */ { 1, 0, 0, 1, 0, 1 }, /* ETH_RESET */
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/* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */
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/* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */
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/* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD3 */
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/* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD2 */
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/* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD1 */
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/* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD0 */
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/* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD0 */
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/* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD1 */
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/* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD2 */
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/* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD3 */
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/* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */
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/* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_SLEEP */
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/* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */
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/* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* MDIO */
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/* PA9 */ { 1, 0, 0, 1, 0, 0 }, /* MDC */
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/* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RxD */
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/* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
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/* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */
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/* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */
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/* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */
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/* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */
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/* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
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/* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */
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/* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */
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},
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/* Port B */
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{ /* conf ppar psor pdir podr pdat */
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/* PB31 */ { 0, 0, 0, 0, 0, 0 }, /* PB31 */
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/* PB30 */ { 0, 0, 0, 0, 0, 0 }, /* PB30 */
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/* PB29 */ { 0, 0, 0, 0, 0, 0 }, /* PB29 */
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/* PB28 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TxD */
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/* PB27 */ { 0, 0, 0, 0, 0, 0 }, /* PB27 */
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/* PB26 */ { 0, 0, 0, 0, 0, 0 }, /* PB26 */
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/* PB25 */ { 0, 0, 0, 0, 0, 0 }, /* PB25 */
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/* PB24 */ { 0, 0, 0, 0, 0, 0 }, /* PB24 */
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/* PB23 */ { 0, 0, 0, 0, 0, 0 }, /* PB23 */
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/* PB22 */ { 0, 0, 0, 0, 0, 0 }, /* PB22 */
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/* PB21 */ { 0, 0, 0, 0, 0, 0 }, /* PB21 */
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/* PB20 */ { 0, 0, 0, 0, 0, 0 }, /* PB20 */
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/* PB19 */ { 0, 0, 0, 0, 0, 0 }, /* PB19 */
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/* PB18 */ { 0, 0, 0, 0, 0, 0 }, /* PB18 */
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/* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB15 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */
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/* PB14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RxD */
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/* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB12 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */
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/* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB8 */ { 1, 1, 1, 1, 0, 0 }, /* SCC3 TxD */
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/* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
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},
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/* Port C */
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{ /* conf ppar psor pdir podr pdat */
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/* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */
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/* PC30 */ { 1, 1, 1, 1, 0, 0 }, /* Timer1 OUT */
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/* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */
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/* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */
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/* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
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/* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
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/* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
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/* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
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/* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */
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/* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */
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/* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC RxCLK 11 */
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/* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC TxCLK 12 */
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/* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */
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/* PC18 */ { 0, 0, 0, 0, 0, 0 }, /* PC18 */
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/* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
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/* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
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/* PC15 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TxD */
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/* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
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/* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
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/* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW1 */
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/* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW0 */
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/* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
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/* PC9 */ { 1, 0, 0, 1, 0, 1 }, /* SPA_TX_EN */
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/* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
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/* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
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/* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
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/* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
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/* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
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/* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
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/* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
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/* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
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/* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */
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},
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/* Port D */
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{ /* conf ppar psor pdir podr pdat */
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/* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RxD */
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/* PD30 */ { 0, 0, 0, 0, 0, 0 }, /* PD30 */
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/* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */
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/* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */
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/* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */
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/* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */
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/* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
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/* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
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/* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
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/* PD22 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: RXD */
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/* PD21 */ { 1, 1, 0, 1, 0, 0 }, /* SCC4: TXD */
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/* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
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/* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
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/* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
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/* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */
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/* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */
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#if defined(CONFIG_HARD_I2C)
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/* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
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/* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
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#else
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/* PD15 */ { 1, 0, 0, 0, 1, 1 }, /* PD15 */
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/* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* PD14 */
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#endif
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/* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
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/* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
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/* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
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/* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
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/* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TxD */
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/* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RxD */
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/* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
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/* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */
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/* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */
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/* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */
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/* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
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/* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
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}
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};
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/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
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*
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* This routine performs standard 8260 initialization sequence
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* and calculates the available memory size. It may be called
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* several times to try different SDRAM configurations on both
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* 60x and local buses.
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*/
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static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
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ulong orx, volatile uchar * base)
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{
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volatile uchar c = 0xff;
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volatile uint *sdmr_ptr;
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volatile uint *orx_ptr;
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ulong maxsize, size;
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int i;
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/* We must be able to test a location outsize the maximum legal size
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* to find out THAT we are outside; but this address still has to be
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* mapped by the controller. That means, that the initial mapping has
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* to be (at least) twice as large as the maximum expected size.
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*/
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maxsize = (1 + (~orx | 0x7fff))/* / 2*/;
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sdmr_ptr = &memctl->memc_psdmr;
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orx_ptr = &memctl->memc_or1;
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*orx_ptr = orx;
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/*
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* Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
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*
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* "At system reset, initialization software must set up the
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* programmable parameters in the memory controller banks registers
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* (ORx, BRx, P/LSDMR). After all memory parameters are configured,
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* system software should execute the following initialization sequence
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* for each SDRAM device.
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*
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* 1. Issue a PRECHARGE-ALL-BANKS command
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* 2. Issue eight CBR REFRESH commands
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* 3. Issue a MODE-SET command to initialize the mode register
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*
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* The initial commands are executed by setting P/LSDMR[OP] and
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* accessing the SDRAM with a single-byte transaction."
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*
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* The appropriate BRx/ORx registers have already been set when we
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* get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE.
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*/
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*sdmr_ptr = sdmr | PSDMR_OP_PREA;
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*base = c;
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*sdmr_ptr = sdmr | PSDMR_OP_CBRR;
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for (i = 0; i < 8; i++)
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*base = c;
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*sdmr_ptr = sdmr | PSDMR_OP_MRW;
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*(base + CONFIG_SYS_MRS_OFFS) = c; /* setting MR on address lines */
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*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
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*base = c;
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size = get_ram_size ((long *)base, maxsize);
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*orx_ptr = orx | ~(size - 1);
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return (size);
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}
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phys_size_t initdram (int board_type)
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{
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volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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volatile memctl8260_t *memctl = &immap->im_memctl;
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long psize;
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#ifndef CONFIG_SYS_RAMBOOT
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long sizelittle, sizebig;
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#endif
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memctl->memc_psrt = CONFIG_SYS_PSRT;
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memctl->memc_mptpr = CONFIG_SYS_MPTPR;
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#ifndef CONFIG_SYS_RAMBOOT
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/* 60x SDRAM setup:
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*/
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sizelittle = try_init (memctl, CONFIG_SYS_PSDMR_LITTLE, CONFIG_SYS_OR1_LITTLE,
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(uchar *) CONFIG_SYS_SDRAM_BASE);
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sizebig = try_init (memctl, CONFIG_SYS_PSDMR_BIG, CONFIG_SYS_OR1_BIG,
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(uchar *) CONFIG_SYS_SDRAM_BASE);
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if (sizelittle < sizebig) {
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psize = sizebig;
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} else {
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psize = try_init (memctl, CONFIG_SYS_PSDMR_LITTLE, CONFIG_SYS_OR1_LITTLE,
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(uchar *) CONFIG_SYS_SDRAM_BASE);
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}
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#endif /* CONFIG_SYS_RAMBOOT */
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icache_enable ();
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return (psize);
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}
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int checkboard (void)
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{
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puts ("Board: MUAS3001\n");
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return 0;
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}
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/*
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* Early board initalization.
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*/
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int board_early_init_r (void)
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{
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return 0;
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}
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#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
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/*
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* update "memory" property in the blob
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*/
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void ft_blob_update (void *blob, bd_t *bd)
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{
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int ret, nodeoffset = 0;
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ulong memory_data[2] = {0};
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ulong flash_data[4] = {0};
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ulong freq = 0;
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ulong speed = 0;
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memory_data[0] = cpu_to_be32 (bd->bi_memstart);
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memory_data[1] = cpu_to_be32 (bd->bi_memsize);
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nodeoffset = fdt_path_offset (blob, "/memory");
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if (nodeoffset >= 0) {
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ret = fdt_setprop (blob, nodeoffset, "reg", memory_data,
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sizeof(memory_data));
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if (ret < 0)
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printf ("ft_blob_update): cannot set /memory/reg "
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"property err:%s\n", fdt_strerror (ret));
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} else {
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/* memory node is required in dts */
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printf ("ft_blob_update(): cannot find /memory node "
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"err:%s\n", fdt_strerror(nodeoffset));
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}
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/* update Flash addr, size */
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flash_data[2] = cpu_to_be32 (CONFIG_SYS_FLASH_BASE);
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flash_data[3] = cpu_to_be32 (CONFIG_SYS_FLASH_SIZE);
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nodeoffset = fdt_path_offset (blob, "/localbus");
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if (nodeoffset >= 0) {
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ret = fdt_setprop (blob, nodeoffset, "ranges", flash_data,
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sizeof (flash_data));
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if (ret < 0)
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printf ("ft_blob_update): cannot set /localbus/ranges "
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"property err:%s\n", fdt_strerror(ret));
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} else {
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/* memory node is required in dts */
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printf ("ft_blob_update(): cannot find /localbus node "
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"err:%s\n", fdt_strerror (nodeoffset));
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}
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/* MAC Adresse */
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nodeoffset = fdt_path_offset (blob, "/soc/cpm/ethernet");
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if (nodeoffset >= 0) {
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ret = fdt_setprop (blob, nodeoffset, "mac-address", bd->bi_enetaddr,
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sizeof (uchar) * 6);
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if (ret < 0)
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printf ("ft_blob_update): cannot set /soc/cpm/ethernet/mac-address "
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"property err:%s\n", fdt_strerror (ret));
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} else {
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/* memory node is required in dts */
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printf ("ft_blob_update(): cannot find /soc/cpm/ethernet node "
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"err:%s\n", fdt_strerror (nodeoffset));
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}
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/* brg clock */
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nodeoffset = fdt_path_offset (blob, "/soc/cpm/brg");
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if (nodeoffset >= 0) {
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freq = cpu_to_be32 (bd->bi_brgfreq);
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ret = fdt_setprop (blob, nodeoffset, "clock-frequency", &freq,
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sizeof (unsigned long));
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if (ret < 0)
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printf ("ft_blob_update): cannot set /soc/cpm/brg/clock-frequency "
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"property err:%s\n", fdt_strerror (ret));
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} else {
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/* memory node is required in dts */
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printf ("ft_blob_update(): cannot find /soc/cpm/brg/clock-frequency node "
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"err:%s\n", fdt_strerror (nodeoffset));
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}
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/* baudrate */
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nodeoffset = fdt_path_offset (blob, "/soc/cpm/serial");
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if (nodeoffset >= 0) {
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speed = cpu_to_be32 (bd->bi_baudrate);
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ret = fdt_setprop (blob, nodeoffset, "current-speed", &speed,
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sizeof (unsigned long));
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if (ret < 0)
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printf ("ft_blob_update): cannot set /soc/cpm/serial/current-speed "
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|
"property err:%s\n", fdt_strerror (ret));
|
|
} else {
|
|
/* baudrate is required in dts */
|
|
printf ("ft_blob_update(): cannot find /soc/cpm/smc2/current-speed node "
|
|
"err:%s\n", fdt_strerror (nodeoffset));
|
|
}
|
|
}
|
|
|
|
void ft_board_setup (void *blob, bd_t *bd)
|
|
{
|
|
ft_cpu_setup (blob, bd);
|
|
ft_blob_update (blob, bd);
|
|
}
|
|
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
|