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-rw-r--r--board/atc/Makefile40
-rw-r--r--board/atc/atc.c366
-rw-r--r--board/atc/config.mk43
-rw-r--r--board/atc/flash.c665
-rw-r--r--board/atc/u-boot.lds118
-rw-r--r--board/gen860t/README25
-rw-r--r--board/gen860t/gen860t.c22
-rw-r--r--board/gen860t/ioport.c69
-rw-r--r--board/gen860t/u-boot-flashenv.lds132
-rw-r--r--board/gen860t/u-boot.lds11
10 files changed, 1449 insertions, 42 deletions
diff --git a/board/atc/Makefile b/board/atc/Makefile
new file mode 100644
index 0000000..35b8428
--- /dev/null
+++ b/board/atc/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2001
+# 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 = $(BOARD).o flash.o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $^
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/atc/atc.c b/board/atc/atc.c
new file mode 100644
index 0000000..3547f41
--- /dev/null
+++ b/board/atc/atc.c
@@ -0,0 +1,366 @@
+/*
+ * (C) Copyright 2001
+ * 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 <common.h>
+#include <ioports.h>
+#include <mpc8260.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, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */
+ /* PA30 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */
+ /* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */
+ /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */
+ /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */
+ /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */
+ /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII MDIO */
+ /* PA24 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII MDC */
+ /* PA23 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII MDIO */
+ /* PA22 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII MDC */
+ /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */
+ /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */
+ /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */
+ /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */
+ /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */
+ /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */
+ /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */
+ /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */
+ /* PA13 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII TXSL1 */
+ /* PA12 */ { 1, 0, 0, 1, 0, 1 }, /* FCC2 MII TXSL0 */
+ /* PA11 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII TXSL1 */
+ /* PA10 */ { 1, 0, 0, 1, 0, 1 }, /* FCC1 MII TXSL0 */
+#if 1
+ /* PA9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
+ /* PA8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
+#else
+ /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TXD */
+ /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RXD */
+#endif
+ /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
+ /* PA6 */ { 1, 0, 0, 1, 0, 1 }, /* FCC2 MII PAUSE */
+ /* PA5 */ { 1, 0, 0, 1, 0, 1 }, /* FCC1 MII PAUSE */
+ /* PA4 */ { 1, 0, 0, 1, 0, 0 }, /* FCC2 MII PWRDN */
+ /* PA3 */ { 1, 0, 0, 1, 0, 0 }, /* FCC1 MII PWRDN */
+ /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
+ /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FCC2 MII MDINT */
+ /* PA0 */ { 1, 0, 0, 1, 0, 0 } /* FCC1 MII MDINT */
+ },
+
+ /* 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 */ { 0, 0, 0, 0, 0, 0 }, /* PB17 */
+ /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* PB16 */
+ /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* PB15 */
+ /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* PB14 */
+ /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* PB13 */
+ /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* PB12 */
+ /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* PB11 */
+ /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* PB10 */
+ /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* PB9 */
+ /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* PB8 */
+ /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* PB7 */
+ /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* PB6 */
+ /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* PB5 */
+ /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* PB4 */
+ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* PB3 */
+ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* PB2 */
+ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* PB1 */
+ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* PB0 */
+ },
+
+ /* Port C */
+ { /* conf ppar psor pdir podr pdat */
+ /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */
+ /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */
+ /* PC29 */ { 1, 0, 0, 0, 0, 0 }, /* SCC1 CTS */
+ /* PC28 */ { 1, 0, 0, 0, 0, 0 }, /* SCC2 CTS */
+ /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
+ /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
+ /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
+ /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
+ /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DACFD */
+ /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DNFD */
+ /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII RX_CLK */
+ /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 MII TX_CLK */
+ /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK */
+ /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII TX_CLK */
+ /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
+ /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
+#if 0
+ /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
+#else
+ /* PC15 */ { 1, 1, 0, 1, 0, 0 }, /* PC15 */
+#endif
+ /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
+ /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
+ /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */
+ /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */
+ /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
+ /* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* FC9 */
+ /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
+ /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
+ /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
+ /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
+ /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
+ /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
+ /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
+ /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
+ /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* FDC37C78 DRQFD */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RXD */
+ /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TXD */
+ /* PD29 */ { 1, 0, 0, 1, 0, 0 }, /* SCC1 RTS */
+ /* PD28 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RXD */
+ /* PD27 */ { 1, 1, 0, 1, 0, 0 }, /* SCC2 TXD */
+ /* PD26 */ { 1, 0, 0, 1, 0, 0 }, /* SCC2 RTS */
+ /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
+ /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
+ /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
+ /* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */
+ /* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */
+ /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */
+ /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
+ /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
+ /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */
+ /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */
+#if defined(CONFIG_SOFT_I2C)
+ /* PD15 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SDA */
+ /* PD14 */ { 1, 0, 0, 1, 1, 1 }, /* I2C SCL */
+#else
+#if defined(CONFIG_HARD_I2C)
+ /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
+#else /* normal I/O port pins */
+ /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
+#endif
+#endif
+ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
+ /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
+ /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
+ /* PD10 */ { 0, 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 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
+ /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */
+ /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */
+#if 0
+ /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */
+#else
+ /* PD4 */ { 1, 1, 1, 0, 0, 0 }, /* PD4 */
+#endif
+ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* PD3 */
+ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* PD2 */
+ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* PD1 */
+ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* PD0 */
+ }
+};
+
+/* ------------------------------------------------------------------------- */
+
+/* Check Board Identity:
+ */
+int checkboard (void)
+{
+ printf ("Board: ATC\n");
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+ ulong orx, volatile uchar * base)
+{
+ volatile uchar c = 0xff;
+ ulong cnt, val;
+ volatile ulong *addr;
+ volatile uint *sdmr_ptr;
+ volatile uint *orx_ptr;
+ int i;
+ ulong save[32]; /* to make test non-destructive */
+ ulong maxsize;
+
+ /* We must be able to test a location outsize the maximum legal size
+ * to find out THAT we are outside; but this address still has to be
+ * mapped by the controller. That means, that the initial mapping has
+ * to be (at least) twice as large as the maximum expected size.
+ */
+ maxsize = (1 + (~orx | 0x7fff)) / 2;
+
+ /* Since CFG_SDRAM_BASE is always 0 (??), we assume that
+ * we are configuring CS1 if base != 0
+ */
+ sdmr_ptr = &memctl->memc_psdmr;
+ orx_ptr = &memctl->memc_or2;
+
+ *orx_ptr = orx;
+
+ /*
+ * 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.
+ */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_PREA;
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_MRW;
+ *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *base = c;
+
+ /*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+ i = 0;
+ for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+ addr = (volatile ulong *) base + cnt; /* pointer arith! */
+ save[i++] = *addr;
+ *addr = ~cnt;
+ }
+
+ addr = (volatile ulong *) base;
+ save[i] = *addr;
+ *addr = 0;
+
+ if ((val = *addr) != 0) {
+ *addr = save[i];
+ return (0);
+ }
+
+ for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+ addr = (volatile ulong *) base + cnt; /* pointer arith! */
+ val = *addr;
+ *addr = save[--i];
+ if (val != ~cnt) {
+ /* Write the actual size to ORx
+ */
+ *orx_ptr = orx | ~(cnt * sizeof (long) - 1);
+ return (cnt * sizeof (long));
+ }
+ }
+ return (maxsize);
+}
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+
+#ifndef CFG_RAMBOOT
+ ulong size8, size9;
+#endif
+ long psize;
+
+ psize = 8 * 1024 * 1024;
+
+ memctl->memc_mptpr = CFG_MPTPR;
+ memctl->memc_psrt = CFG_PSRT;
+
+#ifndef CFG_RAMBOOT
+ /* 60x SDRAM setup:
+ */
+ size8 = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+ (uchar *) CFG_SDRAM_BASE);
+ size9 = try_init (memctl, CFG_PSDMR_9COL, CFG_OR2_9COL,
+ (uchar *) CFG_SDRAM_BASE);
+
+ if (size8 < size9) {
+ psize = size9;
+ printf ("(60x:9COL) ");
+ } else {
+ psize = try_init (memctl, CFG_PSDMR_8COL, CFG_OR2_8COL,
+ (uchar *) CFG_SDRAM_BASE);
+ printf ("(60x:8COL) ");
+ }
+
+#endif /* CFG_RAMBOOT */
+
+ icache_enable ();
+
+ return (psize);
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+extern void doc_probe (ulong physadr);
+void doc_init (void)
+{
+ doc_probe (CFG_DOC_BASE);
+}
+#endif
diff --git a/board/atc/config.mk b/board/atc/config.mk
new file mode 100644
index 0000000..8fc82f3
--- /dev/null
+++ b/board/atc/config.mk
@@ -0,0 +1,43 @@
+#
+# (C) Copyright 2001
+# 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
+#
+
+#
+# ATC boards
+#
+
+# This should be equal to the CFG_FLASH_BASE define in config_atc.h
+# for the "final" configuration, with U-Boot in flash, or the address
+# in RAM where U-Boot is loaded at for debugging.
+#
+
+ifeq ($(CONFIG_BOOT_ROM),y)
+ TEXT_BASE := 0xFF800000
+ PLATFORM_CPPFLAGS += -DCONFIG_BOOT_ROM
+else
+ TEXT_BASE := 0xFF000000
+endif
+
+# RAM version
+#TEXT_BASE := 0x100000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)
diff --git a/board/atc/flash.c b/board/atc/flash.c
new file mode 100644
index 0000000..4bcf2ee
--- /dev/null
+++ b/board/atc/flash.c
@@ -0,0 +1,665 @@
+/*
+ * (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 <common.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
+ * has nothing to do with the flash chip being 8-bit or 16-bit.
+ */
+#ifdef CONFIG_FLASH_16BIT
+typedef unsigned short FLASH_PORT_WIDTH;
+typedef volatile unsigned short FLASH_PORT_WIDTHV;
+#define FLASH_ID_MASK 0xFFFF
+#else
+typedef unsigned long FLASH_PORT_WIDTH;
+typedef volatile unsigned long FLASH_PORT_WIDTHV;
+#define FLASH_ID_MASK 0xFFFFFFFF
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define ORMASK(size) ((-size) & OR_AM_MSK)
+
+#define FLASH_CYCLE1 0x0555
+#define FLASH_CYCLE2 0x02aa
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV *addr, flash_info_t *info);
+static void flash_reset(flash_info_t *info);
+static int write_word_intel(flash_info_t *info, FPWV *dest, FPW data);
+static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
+static void flash_get_offsets(ulong base, flash_info_t *info);
+static flash_info_t *flash_get_info(ulong base);
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+ unsigned long size = 0;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i < CFG_MAX_FLASH_BANKS; ++i) {
+#if 0
+ ulong flashbase = (i == 0) ? PHYS_FLASH_1 : PHYS_FLASH_2;
+#else
+ ulong flashbase = CFG_FLASH_BASE;
+#endif
+
+ memset(&flash_info[i], 0, sizeof(flash_info_t));
+
+ flash_info[i].size =
+ flash_get_size((FPW *)flashbase, &flash_info[i]);
+
+ if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx\n",
+ i, flash_info[i].size);
+ }
+
+ size += flash_info[i].size;
+ }
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ flash_get_info(CFG_MONITOR_BASE));
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR+CFG_ENV_SIZE-1,
+ flash_get_info(CFG_ENV_ADDR));
+#endif
+
+
+ return size ? size : 1;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset(flash_info_t *info)
+{
+ FPWV *base = (FPWV *)(info->start[0]);
+
+ /* Put FLASH back in read mode */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
+ *base = (FPW)0x00FF00FF; /* Intel Read Mode */
+ else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
+ *base = (FPW)0x00F000F0; /* AMD Read Mode */
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+ int i;
+
+ /* set up sector start address table */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL
+ && (info->flash_id & FLASH_BTYPE)) {
+ int bootsect_size; /* number of bytes/boot sector */
+ int sect_size; /* number of bytes/regular sector */
+
+ bootsect_size = 0x00002000 * (sizeof(FPW)/2);
+ sect_size = 0x00010000 * (sizeof(FPW)/2);
+
+ /* set sector offsets for bottom boot block type */
+ for (i = 0; i < 8; ++i) {
+ info->start[i] = base + (i * bootsect_size);
+ }
+ for (i = 8; i < info->sector_count; i++) {
+ info->start[i] = base + ((i - 7) * sect_size);
+ }
+ }
+ else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
+ && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) {
+
+ int sect_size; /* number of bytes/sector */
+
+ sect_size = 0x00010000 * (sizeof(FPW)/2);
+
+ /* set up sector start address table (uniform sector type) */
+ for( i = 0; i < info->sector_count; i++ )
+ info->start[i] = base + (i * sect_size);
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+static flash_info_t *flash_get_info(ulong base)
+{
+ int i;
+ flash_info_t * info;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
+ info = & flash_info[i];
+ if (info->start[0] <= base && base < info->start[0] + info->size)
+ break;
+ }
+
+ return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+ uchar *boottype;
+ uchar *bootletter;
+ uchar *fmt;
+ uchar botbootletter[] = "B";
+ uchar topbootletter[] = "T";
+ uchar botboottype[] = "bottom boot sector";
+ uchar topboottype[] = "top boot sector";
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD: printf ("AMD "); break;
+ case FLASH_MAN_BM: printf ("BRIGHT MICRO "); break;
+ case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
+ case FLASH_MAN_SST: printf ("SST "); break;
+ case FLASH_MAN_STM: printf ("STM "); break;
+ case FLASH_MAN_INTEL: printf ("INTEL "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ /* check for top or bottom boot, if it applies */
+ if (info->flash_id & FLASH_BTYPE) {
+ boottype = botboottype;
+ bootletter = botbootletter;
+ }
+ else {
+ boottype = topboottype;
+ bootletter = topbootletter;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM640U:
+ fmt = "29LV641D (64 Mbit, uniform sectors)\n";
+ break;
+ case FLASH_28F800C3B:
+ case FLASH_28F800C3T:
+ fmt = "28F800C3%s (8 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL800B:
+ case FLASH_INTEL800T:
+ fmt = "28F800B3%s (8 Mbit, %s)\n";
+ break;
+ case FLASH_28F160C3B:
+ case FLASH_28F160C3T:
+ fmt = "28F160C3%s (16 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL160B:
+ case FLASH_INTEL160T:
+ fmt = "28F160B3%s (16 Mbit, %s)\n";
+ break;
+ case FLASH_28F320C3B:
+ case FLASH_28F320C3T:
+ fmt = "28F320C3%s (32 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL320B:
+ case FLASH_INTEL320T:
+ fmt = "28F320B3%s (32 Mbit, %s)\n";
+ break;
+ case FLASH_28F640C3B:
+ case FLASH_28F640C3T:
+ fmt = "28F640C3%s (64 Mbit, %s)\n";
+ break;
+ case FLASH_INTEL640B:
+ case FLASH_INTEL640T:
+ fmt = "28F640B3%s (64 Mbit, %s)\n";
+ break;
+ default:
+ fmt = "Unknown Chip Type\n";
+ break;
+ }
+
+ printf (fmt, bootletter, boottype);
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20,
+ info->sector_count);
+
+ printf (" Sector Start Addresses:");
+
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+
+ printf ("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+ulong flash_get_size (FPWV *addr, flash_info_t *info)
+{
+ /* Write auto select command: read Manufacturer ID */
+
+ /* Write auto select command sequence and test FLASH answer */
+ addr[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* for AMD, Intel ignores this */
+ addr[FLASH_CYCLE2] = (FPW)0x00550055; /* for AMD, Intel ignores this */
+ addr[FLASH_CYCLE1] = (FPW)0x00900090; /* selects Intel or AMD */
+
+ /* The manufacturer codes are only 1 byte, so just use 1 byte.
+ * This works for any bus width and any FLASH device width.
+ */
+ udelay(1000000);//psl
+ //psl switch (addr[1] & 0xff) {
+ switch (addr[0] & 0xff) {//psl
+
+ case (uchar)AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+
+ case (uchar)INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ break;
+ }
+
+ /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
+ //psl if (info->flash_id != FLASH_UNKNOWN) switch (addr[0]) {
+ if (info->flash_id != FLASH_UNKNOWN) switch (addr[1]) {
+
+ case (FPW)AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */
+ info->flash_id += FLASH_AM640U;
+ info->sector_count = 128;
+ info->size = 0x00800000 * (sizeof(FPW)/2);
+ break; /* => 8 or 16 MB */
+
+ case (FPW)INTEL_ID_28F800C3B:
+ info->flash_id += FLASH_28F800C3B;
+ info->sector_count = 23;
+ info->size = 0x00100000 * (sizeof(FPW)/2);
+ break; /* => 1 or 2 MB */
+
+ case (FPW)INTEL_ID_28F800B3B:
+ info->flash_id += FLASH_INTEL800B;
+ info->sector_count = 23;
+ info->size = 0x00100000 * (sizeof(FPW)/2);
+ break; /* => 1 or 2 MB */
+
+ case (FPW)INTEL_ID_28F160C3B:
+ info->flash_id += FLASH_28F160C3B;
+ info->sector_count = 39;
+ info->size = 0x00200000 * (sizeof(FPW)/2);
+ break; /* => 2 or 4 MB */
+
+ case (FPW)INTEL_ID_28F160B3B:
+ info->flash_id += FLASH_INTEL160B;
+ info->sector_count = 39;
+ info->size = 0x00200000 * (sizeof(FPW)/2);
+ break; /* => 2 or 4 MB */
+
+ case (FPW)INTEL_ID_28F320C3B:
+ info->flash_id += FLASH_28F320C3B;
+ info->sector_count = 71;
+ info->size = 0x00400000 * (sizeof(FPW)/2);
+ break; /* => 4 or 8 MB */
+
+ case (FPW)INTEL_ID_28F320B3B:
+ info->flash_id += FLASH_INTEL320B;
+ info->sector_count = 71;
+ info->size = 0x00400000 * (sizeof(FPW)/2);
+ break; /* => 4 or 8 MB */
+
+ case (FPW)INTEL_ID_28F640C3B:
+ info->flash_id += FLASH_28F640C3B;
+ info->sector_count = 135;
+ info->size = 0x00800000 * (sizeof(FPW)/2);
+ break; /* => 8 or 16 MB */
+
+ case (FPW)INTEL_ID_28F640B3B:
+ info->flash_id += FLASH_INTEL640B;
+ info->sector_count = 135;
+ info->size = 0x00800000 * (sizeof(FPW)/2);
+ break; /* => 8 or 16 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* => no or unknown flash */
+ }
+
+ flash_get_offsets((ulong)addr, info);
+
+ /* Put FLASH back in read mode */
+ flash_reset(info);
+
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ FPWV *addr;
+ int flag, prot, sect;
+ int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
+ ulong start, now, last;
+ int rcode = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_INTEL800B:
+ case FLASH_INTEL160B:
+ case FLASH_INTEL320B:
+ case FLASH_INTEL640B:
+ case FLASH_28F800C3B:
+ case FLASH_28F160C3B:
+ case FLASH_28F320C3B:
+ case FLASH_28F640C3B:
+ case FLASH_AM640U:
+ break;
+ case FLASH_UNKNOWN:
+ default:
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ last = get_timer(0);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last && rcode == 0; sect++) {
+
+ if (info->protect[sect] != 0) /* protected, skip it */
+ continue;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr = (FPWV *)(info->start[sect]);
+ if (intel) {
+ *addr = (FPW)0x00500050; /* clear status register */
+ *addr = (FPW)0x00200020; /* erase setup */
+ *addr = (FPW)0x00D000D0; /* erase confirm */
+ }
+ else {
+ /* must be AMD style if not Intel */
+ FPWV *base; /* first address in bank */
+
+ base = (FPWV *)(info->start[0]);
+ base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */
+ base[FLASH_CYCLE1] = (FPW)0x00800080; /* erase mode */
+ base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */
+ *addr = (FPW)0x00300030; /* erase sector */
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+
+ /* wait at least 50us for AMD, 80us for Intel.
+ * Let's wait 1 ms.
+ */
+ udelay (1000);
+
+ while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+
+ if (intel) {
+ /* suspend erase */
+ *addr = (FPW)0x00B000B0;
+ }
+
+ flash_reset(info); /* reset to read mode */
+ rcode = 1; /* failed */
+ break;
+ }
+
+ /* show that we're waiting */
+ if ((get_timer(last)) > CFG_HZ) {/* every second */
+ putc ('.');
+ last = get_timer(0);
+ }
+ }
+
+ /* show that we're waiting */
+ if ((get_timer(last)) > CFG_HZ) { /* every second */
+ putc ('.');
+ last = get_timer(0);
+ }
+
+ flash_reset(info); /* reset to read mode */
+ }
+
+ printf (" done\n");
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
+ int bytes; /* number of bytes to program in current word */
+ int left; /* number of bytes left to program */
+ int i, res;
+
+ for (left = cnt, res = 0;
+ left > 0 && res == 0;
+ addr += sizeof(data), left -= sizeof(data) - bytes) {
+
+ bytes = addr & (sizeof(data) - 1);
+ addr &= ~(sizeof(data) - 1);
+
+ /* combine source and destination data so can program
+ * an entire word of 16 or 32 bits
+ */
+ for (i = 0; i < sizeof(data); i++) {
+ data <<= 8;
+ if (i < bytes || i - bytes >= left )
+ data += *((uchar *)addr + i);
+ else
+ data += *src++;
+ }
+
+ /* write one word to the flash */
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ res = write_word_amd(info, (FPWV *)addr, data);
+ break;
+ case FLASH_MAN_INTEL:
+ res = write_word_intel(info, (FPWV *)addr, data);
+ break;
+ default:
+ /* unknown flash type, error! */
+ printf ("missing or unknown FLASH type\n");
+ res = 1; /* not really a timeout, but gives error */
+ break;
+ }
+ }
+
+ return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data)
+{
+ ulong start;
+ int flag;
+ int res = 0; /* result, assume success */
+ FPWV *base; /* first address in flash bank */
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*dest & data) != data) {
+ return (2);
+ }
+
+
+ base = (FPWV *)(info->start[0]);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */
+ base[FLASH_CYCLE1] = (FPW)0x00A000A0; /* selects program mode */
+
+ *dest = data; /* start programming the data */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer (0);
+
+ /* data polling for D7 */
+ while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ *dest = (FPW)0x00F000F0; /* reset bank */
+ res = 1;
+ }
+ }
+
+ return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for Intel FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_intel (flash_info_t *info, FPWV *dest, FPW data)
+{
+ ulong start;
+ int flag;
+ int res = 0; /* result, assume success */
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*dest & data) != data) {
+ return (2);
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ *dest = (FPW)0x00500050; /* clear status register */
+ *dest = (FPW)0x00FF00FF; /* make sure in read mode */
+ *dest = (FPW)0x00400040; /* program setup */
+
+ *dest = data; /* start programming the data */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer (0);
+
+ while (res == 0 && (*dest & (FPW)0x00800080) != (FPW)0x00800080) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ *dest = (FPW)0x00B000B0; /* Suspend program */
+ res = 1;
+ }
+ }
+
+ if (res == 0 && (*dest & (FPW)0x00100010))
+ res = 1; /* write failed, time out error is close enough */
+
+ *dest = (FPW)0x00500050; /* clear status register */
+ *dest = (FPW)0x00FF00FF; /* make sure in read mode */
+
+ return (res);
+}
diff --git a/board/atc/u-boot.lds b/board/atc/u-boot.lds
new file mode 100644
index 0000000..5df4cdb
--- /dev/null
+++ b/board/atc/u-boot.lds
@@ -0,0 +1,118 @@
+/*
+ * (C) Copyright 2001
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc8260/start.o (.text)
+ *(.text)
+ common/environment.o(.text)
+ *(.fixup)
+ *(.got1)
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+
diff --git a/board/gen860t/README b/board/gen860t/README
index 761ceed..7c03f93 100644
--- a/board/gen860t/README
+++ b/board/gen860t/README
@@ -1,8 +1,7 @@
-
This directory contains board specific code for a generic MPC860T based
embedded computer, called 'GEN860T'. The design is generic in the sense that
common, readily available components are used and that the architecture of the
-system is i(relatively) straightforward:
+system is relatively straightforward:
One eight bit wide boot (FLASH) memory
32 bit main memory using SDRAM
@@ -23,14 +22,14 @@ hearing from you, especially if you discover bugs or find ways to improve the
quality of this U-Boot port.
Here are the salient features of the system:
-Clock : 33 Mhz oscillator
-Processor core frequency : 66 Mhz if in 1:2:1 mode; can also run 1:1
-Bus frequency : 33 Mhz
+Clock : 33.3 Mhz oscillator
+Processor core frequency : 66.6 Mhz if in 1:2:1 mode; can also run 1:1
+Bus frequency : 33.3 Mhz
Main memory:
Type : SDRAM
Width : 32 bits
- Size : 64 megabytes
+ Size : 64 mibibytes
Chip : Two Micron MT48LC16M16A2TG-7E
CS : MPC860T CS1*/UPMA
UPMA CONNECTIONS:
@@ -42,7 +41,7 @@ Main memory:
Boot memory:
Type : FLASH
Width : 8 bits
- Size : 16 megabytes
+ Size : 16 mibibytes
Chip : One Intel 28F128J3A (StrataFlash)
CS : MPC860T CS0*/GPCM (this is the "boot" chip select)
@@ -56,7 +55,7 @@ EEPROM memory:
Filesystem memory:
Type : NAND FLASH (Toshiba)
Width : 8 bits (i.e. interface to DOC is 8 bits)
- Size : 32 megabytes
+ Size : 32 mibibytes
Chip : One DiskOnCHip Millenium Plus (DOC 2000+)
CS : MPC860T CS2*/GPCM
@@ -92,6 +91,12 @@ Miscellaneous:
Mil-Std 1553 databus interface on CS5*/GPCM.
Audio sounder (beeper) with digital volume control connected to SPKROUT.
+SC variant:
+ A reduced-feature version of the GEN860T port is also supported: GEN860T_SC.
+ The 'SC' variant only provides support for the Virtex FPGA, SDRAM main
+ memory, EEPROM and flash memory. The system clock frequency is reduced
+ to 24 MHz.
+
Issues:
The DOC 2000+ returns 0x40 as its device ID when probed using the method
desxribed in the DOC datasheet. Unfortunately, the U-Boot DOC driver
@@ -105,11 +110,11 @@ Status:
in MTD for this device. I wish I had known this sooner :(
The GEN860T board specific files and configuration is based on the work
-of others who have contributed to U-Boot. The copright and license notices
+of others who have contributed to U-Boot. The copyright and license notices
of these authors have been retained wherever their code has been reused.
All new code to support the GEN860T board is:
- (C) Copyright 2001-2002
+ (C) Copyright 2001-2003
Keith Outwater (keith_outwater@mvis.com)
and the following license applies:
diff --git a/board/gen860t/gen860t.c b/board/gen860t/gen860t.c
index 16a3262..094eeef 100644
--- a/board/gen860t/gen860t.c
+++ b/board/gen860t/gen860t.c
@@ -271,18 +271,12 @@ misc_init_r (void)
int
last_stage_init(void)
{
+#if !defined(CONFIG_SC)
unsigned char buf[256];
int i;
/*
- * Set LEDs here since status LED init code has already run
- */
- status_led_set(STATUS_LED_BIT1, STATUS_LED_ON);
- status_led_set(STATUS_LED_BIT3, STATUS_LED_ON);
-
- /*
- * Turn the beeper volume all the way down in case this is a warm
- * boot.
+ * Turn the beeper volume all the way down in case this is a warm boot.
*/
set_beeper_volume(-64);
init_beeper();
@@ -294,6 +288,18 @@ last_stage_init(void)
if (i > 0) {
do_beeper(buf);
}
+#endif
return 0;
}
+
+/*
+ * Stub to make POST code happy. Can't self-poweroff, so just hang.
+ */
+void
+board_poweroff(void)
+{
+ puts("### Please power off the board ###\n");
+ while (1);
+}
+
/* vim: set ts=4 sw=4 tw=78 : */
diff --git a/board/gen860t/ioport.c b/board/gen860t/ioport.c
index 5d6524d..7b3ebd4 100644
--- a/board/gen860t/ioport.c
+++ b/board/gen860t/ioport.c
@@ -42,8 +42,9 @@
const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
/*
* Port A configuration
- * Pin Signal Type Active Initial state
- * PA7 fpgaProgramLowOut Out Low High
+ * Pin Signal Type Active Initial state
+ * PA7 fpgaProgramLowOut Out Low High
+ * PA1 fpgaCoreVoltageFailLow In Low N/A
*/
{ /* conf ppar psor pdir podr pdat pint function */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* No pin */
@@ -62,22 +63,32 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
/* PA4 */ { 1, 0, 0, 1, 0, 0, 0 }, /* red bicolor LED 0*/
/* PA3 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PA2 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#if !defined(CONFIG_SC)
+ /* PA1 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaCoreVoltageFail*/
+#else
/* PA1 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#endif
/* PA0 */ { 0, 0, 0, 0, 0, 0, 0 } /* */
},
/*
+ * Port B configuration
* Pin Signal Type Active Initial state
* PB14 docBusyLowIn In Low X
* PB15 gpio1Sig Out High Low
* PB16 fpgaDoneBi In High X
- * PB17 swBitOkLowOut Out Low Low
+ * PB17 swBitOkLowOut Out Low High
* PB19 speakerVolSig Out/Hi-Z High/Low High (Hi-Z)
* PB22 fpgaInitLowBi In Low X
* PB23 batteryOkSig In High X
- */
- { /* conf ppar psor pdir podr pdat pint function */
- /* PB31 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+ * PB31 pulseCatcherClr Out High 0
+ */
+ { /* conf ppar psor pdir podr pdat pint function */
+#if !defined(CONFIG_SC)
+ /* PB31 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#else
+ /* PB31 */ { 1, 0, 0, 1, 0, 0, 0 }, /* pulseCatcherClr */
+#endif
/* PB30 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PB29 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PB28 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
@@ -85,19 +96,32 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
/* PB26 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PB25 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PB24 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#if !defined(CONFIG_SC)
/* PB23 */ { 1, 0, 0, 0, 0, 0, 0 }, /* batteryOk */
+#else
+ /* PB23 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#endif
/* PB22 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaInitLowBi */
/* PB21 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PB20 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#if !defined(CONFIG_SC)
/* PB19 */ { 1, 0, 0, 1, 1, 1, 0 }, /* speakerVol */
+#else
+ /* PB19 */ { 0, 0, 0, 1, 1, 1, 0 }, /* */
+#endif
/* PB18 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
- /* PB17 */ { 1, 0, 0, 1, 0, 0, 0 }, /* swBitOkLow */
+ /* PB17 */ { 1, 0, 0, 1, 0, 1, 0 }, /* swBitOkLow */
/* PB16 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaDone */
/* PB15 */ { 1, 0, 0, 1, 0, 0, 0 }, /* gpio1 */
+#if !defined(CONFIG_SC)
/* PB14 */ { 1, 0, 0, 0, 0, 0, 0 } /* docBusyLow */
- },
+#else
+ /* PB14 */ { 0, 0, 0, 0, 0, 0, 0 } /* */
+#endif
+ },
/*
+ * Port C configuration
* Pin Signal Type Active Initial state
* PC4 i2cBus1EnSig Out High High
* PC5 i2cBus2EnSig Out High High
@@ -108,29 +132,48 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
* PC12 systemBitOkIn In High X
* PC15 selfDreqLow In Low X
*/
- { /* conf ppar psor pdir podr pdat pint function */
+ { /* conf ppar psor pdir podr pdat pint function */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PC15 */ { 1, 0, 0, 0, 0, 0, 0 }, /* selfDreqLowIn */
/* PC14 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PC13 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#if !defined(CONFIG_SC)
/* PC12 */ { 1, 0, 0, 0, 0, 0, 0 }, /* systemBitOkIn */
+#else
+ /* PC12 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#endif
/* PC11 */ { 1, 0, 0, 1, 0, 1, 0 }, /* fpgaResetLowOut */
+#if !defined(CONFIG_SC)
/* PC10 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus4EnSig */
+#else
+ /* PC10 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */
+#endif
/* PC9 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
+#if !defined(CONFIG_SC)
/* PC8 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus3EnSig */
+#else
+ /* PC8 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */
+#endif
/* PC7 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PC6 */ { 1, 0, 0, 1, 0, 1, 0 }, /* gpio0 */
+#if !defined(CONFIG_SC)
/* PC5 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus2EnSig */
/* PC4 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus1EnSig */
+#else
+ /* PC5 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */
+ /* PC4 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */
+#endif
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 } /* */
- },
+ },
- /* Port D configuration */
- { /* conf ppar psor pdir podr pdat pint function */
+ /*
+ * Port D configuration
+ */
+ { /* conf ppar psor pdir podr pdat pint function */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* PD15 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
@@ -149,7 +192,7 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */
/* N/A */ { 0, 0, 0, 0, 0, 0, 0 } /* */
- }
+ }
};
/*
diff --git a/board/gen860t/u-boot-flashenv.lds b/board/gen860t/u-boot-flashenv.lds
new file mode 100644
index 0000000..8b1ce1a
--- /dev/null
+++ b/board/gen860t/u-boot-flashenv.lds
@@ -0,0 +1,132 @@
+/*
+ * Linker command file for the GEN860T board when the environment is
+ * stored in flash memory.
+ *
+ * (C) Copyright 2000
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+SECTIONS
+{
+ /*
+ * Read-only sections, merged into text segment:
+ */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ cpu/mpc8xx/start.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /*
+ * Read-write section, merged into data segment:
+ */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data:
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+
+ _end = . ;
+ PROVIDE (end = .);
+
+ .ppcenv:
+ {
+ . = env_offset;
+ common/environment.o
+ }
+}
diff --git a/board/gen860t/u-boot.lds b/board/gen860t/u-boot.lds
index 1b53c72..b67faa6 100644
--- a/board/gen860t/u-boot.lds
+++ b/board/gen860t/u-boot.lds
@@ -56,15 +56,6 @@ SECTIONS
.text :
{
cpu/mpc8xx/start.o (.text)
- common/dlmalloc.o (.text)
- lib_ppc/ppcstring.o (.text)
- lib_generic/vsprintf.o (.text)
- lib_generic/crc32.o (.text)
- lib_generic/zlib.o (.text)
-
-/* . = env_offset;
- common/environment.o(.text) */
-
*(.text)
*(.fixup)
*(.got1)
@@ -128,8 +119,6 @@ SECTIONS
*(.bss)
*(COMMON)
}
-
_end = . ;
PROVIDE (end = .);
}
-