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authorwdenk <wdenk>2002-11-03 00:38:21 +0000
committerwdenk <wdenk>2002-11-03 00:38:21 +0000
commitfe8c2806cdba70479e351299881a395dc2be7785 (patch)
treea1e8b98a1838cba6e6f5c765d9d85339257c45f5 /board/rpxsuper
parentf9087a3213cc245cf9b90436475b5af822bd7579 (diff)
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Initial revision
Diffstat (limited to 'board/rpxsuper')
-rw-r--r--board/rpxsuper/rpxsuper.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/board/rpxsuper/rpxsuper.c b/board/rpxsuper/rpxsuper.c
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+/*
+ * (C) Copyright 2000
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2001
+ * Advent Networks, Inc. <http://www.adventnetworks.com>
+ * Jay Monkman <jtm@smoothsmoothie.com>
+ *
+ * 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 <ioports.h>
+#include <mpc8260.h>
+#include "rpxsuper.h"
+
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+ /* Port A configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PA31 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 *ATMTXEN */
+ /* PA30 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTCA */
+ /* PA29 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTSOC */
+ /* PA28 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 *ATMRXEN */
+ /* PA27 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRSOC */
+ /* PA26 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRCA */
+ /* PA25 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[0] */
+ /* PA24 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[1] */
+ /* PA23 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[2] */
+ /* PA22 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[3] */
+ /* PA21 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[4] */
+ /* PA20 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[5] */
+ /* PA19 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[6] */
+ /* PA18 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXD[7] */
+ /* PA17 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
+ /* PA16 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
+ /* PA15 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
+ /* PA14 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
+ /* PA13 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
+ /* PA12 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
+ /* PA11 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
+ /* PA10 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
+ /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
+ /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
+ /* PA7 */ { 1, 0, 0, 0, 0, 0 }, /* PA7 */
+ /* PA6 */ { 1, 0, 0, 0, 0, 0 }, /* PA6 */
+ /* PA5 */ { 1, 0, 0, 0, 0, 0 }, /* PA5 */
+ /* PA4 */ { 1, 0, 0, 0, 0, 0 }, /* PA4 */
+ /* PA3 */ { 1, 0, 0, 0, 0, 0 }, /* PA3 */
+ /* PA2 */ { 1, 0, 0, 0, 0, 0 }, /* PA2 */
+ /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* PA1 */
+ /* PA0 */ { 1, 0, 0, 0, 0, 0 } /* PA0 */
+ },
+
+ /* Port B configuration */
+ { /* conf ppar psor pdir podr pdat */
+ /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
+ /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
+ /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
+ /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
+ /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
+ /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
+ /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
+ /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
+ /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
+ /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
+ /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
+ /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
+ /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
+ /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
+ /* PB17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_DV */
+ /* PB16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_ER */
+ /* PB15 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_ER */
+ /* PB14 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_EN */
+ /* PB13 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII COL */
+ /* PB12 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII CRS */
+ /* PB11 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[3] */
+ /* PB10 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[2] */
+ /* PB9 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[1] */
+ /* PB8 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[0] */
+ /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
+ /* PB6 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[1] */
+ /* PB5 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[2] */
+ /* PB4 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[3] */
+ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ },
+
+ /* Port C */
+ { /* conf ppar psor pdir podr pdat */
+ /* PC31 */ { 1, 0, 0, 1, 0, 0 }, /* PC31 */
+ /* PC30 */ { 1, 0, 0, 1, 0, 0 }, /* PC30 */
+ /* PC29 */ { 1, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
+ /* PC28 */ { 1, 0, 0, 1, 0, 0 }, /* PC28 */
+ /* PC27 */ { 1, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[0] */
+ /* PC26 */ { 1, 0, 0, 1, 0, 0 }, /* PC26 */
+ /* PC25 */ { 1, 0, 0, 1, 0, 0 }, /* PC25 */
+ /* PC24 */ { 1, 0, 0, 1, 0, 0 }, /* PC24 */
+ /* PC23 */ { 1, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
+ /* PC22 */ { 1, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
+ /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
+ /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
+ /* PC17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_CLK */
+ /* PC16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC3 MII TX_CLK */
+ /* PC15 */ { 1, 0, 0, 0, 0, 0 }, /* PC15 */
+ /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
+ /* PC13 */ { 1, 0, 0, 1, 0, 0 }, /* PC13 */
+ /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* PC12 */
+ /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* PC11 */
+ /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDC */
+ /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MDIO */
+ /* PC8 */ { 1, 0, 0, 1, 0, 0 }, /* PC8 */
+ /* PC7 */ { 1, 0, 0, 1, 0, 0 }, /* PC7 */
+ /* PC6 */ { 1, 0, 0, 1, 0, 0 }, /* PC6 */
+ /* PC5 */ { 1, 0, 0, 1, 0, 0 }, /* PC5 */
+ /* PC4 */ { 1, 0, 0, 1, 0, 0 }, /* PC4 */
+ /* PC3 */ { 1, 0, 0, 1, 0, 0 }, /* PC3 */
+ /* PC2 */ { 1, 0, 0, 1, 0, 1 }, /* ENET FDE */
+ /* PC1 */ { 1, 0, 0, 1, 0, 0 }, /* ENET DSQE */
+ /* PC0 */ { 1, 0, 0, 1, 0, 0 }, /* ENET LBK */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN RxD */
+ /* PD30 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN TxD */
+ /* PD29 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 EN TENA */
+ /* PD28 */ { 1, 0, 0, 0, 0, 0 }, /* PD28 */
+ /* PD27 */ { 1, 0, 0, 0, 0, 0 }, /* PD27 */
+ /* PD26 */ { 1, 0, 0, 0, 0, 0 }, /* PD26 */
+ /* PD25 */ { 1, 0, 0, 0, 0, 0 }, /* PD25 */
+ /* PD24 */ { 1, 0, 0, 0, 0, 0 }, /* PD24 */
+ /* PD23 */ { 1, 0, 0, 0, 0, 0 }, /* PD23 */
+ /* PD22 */ { 1, 0, 0, 0, 0, 0 }, /* PD22 */
+ /* PD21 */ { 1, 0, 0, 0, 0, 0 }, /* PD21 */
+ /* PD20 */ { 1, 0, 0, 0, 0, 0 }, /* PD20 */
+ /* PD19 */ { 1, 0, 0, 0, 0, 0 }, /* PD19 */
+ /* PD18 */ { 1, 0, 0, 0, 0, 0 }, /* PD19 */
+ /* PD17 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
+ /* PD16 */ { 1, 0, 0, 0, 0, 0 }, /* FCC1 ATMTXPRTY */
+ /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
+ /* PD13 */ { 1, 0, 0, 0, 0, 0 }, /* PD13 */
+ /* PD12 */ { 1, 0, 0, 0, 0, 0 }, /* PD12 */
+ /* PD11 */ { 1, 0, 0, 0, 0, 0 }, /* PD11 */
+ /* PD10 */ { 1, 0, 0, 0, 0, 0 }, /* PD10 */
+ /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
+ /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
+ /* PD7 */ { 1, 0, 0, 0, 0, 0 }, /* PD7 */
+ /* PD6 */ { 1, 0, 0, 0, 0, 0 }, /* PD6 */
+ /* PD5 */ { 1, 0, 0, 0, 0, 0 }, /* PD5 */
+ /* PD4 */ { 1, 0, 0, 0, 0, 0 }, /* PD4 */
+ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
+ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
+ }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Setup CS4 to enable the Board Control/Status registers.
+ * Otherwise the smcs won't work.
+*/
+int board_pre_init (void)
+{
+ volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+ memctl->memc_br4 = CFG_BR4_PRELIM;
+ memctl->memc_or4 = CFG_OR4_PRELIM;
+ regs->bcsr1 = 0x70; /* to enable terminal no SMC1 */
+ regs->bcsr2 = 0x20; /* mut be written to enable writing FLASH */
+ return 0;
+}
+
+void
+reset_phy(void)
+{
+ volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
+ regs->bcsr4 = 0xC3;
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard(void)
+{
+ volatile t_rpx_regs *regs = (t_rpx_regs*)CFG_REGS_BASE;
+ printf ("Board: Embedded Planet RPX Super, Revision %d\n",
+ regs->bcsr0 >> 4);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram(int board_type)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+ volatile uchar c = 0, *ramaddr;
+ ulong psdmr, lsdmr, bcr;
+ long size = 0;
+ int i;
+
+ psdmr = CFG_PSDMR;
+ lsdmr = CFG_LSDMR;
+
+ /*
+ * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+ *
+ * "At system reset, initialization software must set up the
+ * programmable parameters in the memory controller banks registers
+ * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+ * system software should execute the following initialization sequence
+ * for each SDRAM device.
+ *
+ * 1. Issue a PRECHARGE-ALL-BANKS command
+ * 2. Issue eight CBR REFRESH commands
+ * 3. Issue a MODE-SET command to initialize the mode register
+ *
+ * The initial commands are executed by setting P/LSDMR[OP] and
+ * accessing the SDRAM with a single-byte transaction."
+ *
+ * The appropriate BRx/ORx registers have already been set when we
+ * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+ */
+
+ size = CFG_SDRAM0_SIZE;
+ bcr = immap->im_siu_conf.sc_bcr;
+ immap->im_siu_conf.sc_bcr = (bcr & ~BCR_EBM);
+
+ memctl->memc_mptpr = CFG_MPTPR;
+
+ ramaddr = (uchar *)(CFG_SDRAM0_BASE);
+ memctl->memc_psrt = CFG_PSRT;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_PREA;
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_MRW;
+ *ramaddr = c;
+
+ memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *ramaddr = c;
+
+ immap->im_siu_conf.sc_bcr = bcr;
+
+#ifndef CFG_RAMBOOT
+/* size += CFG_SDRAM1_SIZE; */
+ ramaddr = (uchar *)(CFG_SDRAM1_BASE);
+ memctl->memc_lsrt = CFG_LSRT;
+
+ memctl->memc_lsdmr = lsdmr | PSDMR_OP_PREA;
+ *ramaddr = c;
+
+ memctl->memc_lsdmr = lsdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *ramaddr = c;
+
+ memctl->memc_lsdmr = lsdmr | PSDMR_OP_MRW;
+ *ramaddr = c;
+
+ memctl->memc_lsdmr = lsdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *ramaddr = c;
+#endif
+
+ /* return total ram size */
+ return (size * 1024 * 1024);
+}