ColdFire: Added M5275EVB support.
Signed-off-by: Matthew Fettke <mfettke@videon-central.com>
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Acked-by: John Rigby <jrigby@freescale.com>
diff --git a/board/freescale/m5275evb/Makefile b/board/freescale/m5275evb/Makefile
new file mode 100644
index 0000000..9a0fa80
--- /dev/null
+++ b/board/freescale/m5275evb/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o mii.o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/freescale/m5275evb/config.mk b/board/freescale/m5275evb/config.mk
new file mode 100644
index 0000000..ccb2cf7
--- /dev/null
+++ b/board/freescale/m5275evb/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
+#
+
+TEXT_BASE = 0xffe00000
diff --git a/board/freescale/m5275evb/m5275evb.c b/board/freescale/m5275evb/m5275evb.c
new file mode 100644
index 0000000..a1b2902
--- /dev/null
+++ b/board/freescale/m5275evb/m5275evb.c
@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2005-2008 Arthur Shipkowski (art@videon-central.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 <asm/immap.h>
+
+#define PERIOD 13 /* system bus period in ns */
+#define SDRAM_TREFI 7800 /* in ns */
+
+int checkboard(void)
+{
+ puts("Board: ");
+ puts("Freescale MCF5275 EVB\n");
+ return 0;
+};
+
+long int initdram(int board_type)
+{
+ volatile sdramctrl_t *sdp = (sdramctrl_t *)(MMAP_SDRAM);
+ volatile gpio_t *gpio_reg = (gpio_t *)(MMAP_GPIO);
+
+ gpio_reg->par_sdram = 0x3FF; /* Enable SDRAM */
+
+ /* Set up chip select */
+ sdp->sdbar0 = CFG_SDRAM_BASE;
+ sdp->sdbmr0 = MCF_SDRAMC_SDMRn_BAM_32M | MCF_SDRAMC_SDMRn_V;
+
+ /* Set up timing */
+ sdp->sdcfg1 = 0x83711630;
+ sdp->sdcfg2 = 0x46770000;
+
+ /* Enable clock */
+ sdp->sdcr = MCF_SDRAMC_SDCR_MODE_EN | MCF_SDRAMC_SDCR_CKE;
+
+ /* Set precharge */
+ sdp->sdcr |= MCF_SDRAMC_SDCR_IPALL;
+
+ /* Dummy write to start SDRAM */
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Send LEMR */
+ sdp->sdmr = MCF_SDRAMC_SDMR_BNKAD_LEMR
+ | MCF_SDRAMC_SDMR_AD(0x0)
+ | MCF_SDRAMC_SDMR_CMD;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Send LMR */
+ sdp->sdmr = 0x058d0000;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Stop sending commands */
+ sdp->sdmr &= ~(MCF_SDRAMC_SDMR_CMD);
+
+ /* Set precharge */
+ sdp->sdcr |= MCF_SDRAMC_SDCR_IPALL;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Stop manual precharge, send 2 IREF */
+ sdp->sdcr &= ~(MCF_SDRAMC_SDCR_IPALL);
+ sdp->sdcr |= MCF_SDRAMC_SDCR_IREF;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Write mode register, clear reset DLL */
+ sdp->sdmr = 0x018d0000;
+ *((volatile unsigned long *)CFG_SDRAM_BASE) = 0xa5a59696;
+
+ /* Stop sending commands */
+ sdp->sdmr &= ~(MCF_SDRAMC_SDMR_CMD);
+ sdp->sdcr &= ~(MCF_SDRAMC_SDCR_MODE_EN);
+
+ /* Turn on auto refresh, lock SDMR */
+ sdp->sdcr =
+ MCF_SDRAMC_SDCR_CKE
+ | MCF_SDRAMC_SDCR_REF
+ | MCF_SDRAMC_SDCR_MUX(1)
+ /* 1 added to round up */
+ | MCF_SDRAMC_SDCR_RCNT((SDRAM_TREFI/(PERIOD*64)) - 1 + 1)
+ | MCF_SDRAMC_SDCR_DQS_OE(0x3);
+
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+};
+
+int testdram(void)
+{
+ /* TODO: XXX XXX XXX */
+ printf("DRAM test not implemented!\n");
+
+ return (0);
+}
diff --git a/board/freescale/m5275evb/mii.c b/board/freescale/m5275evb/mii.c
new file mode 100644
index 0000000..bbc93f6
--- /dev/null
+++ b/board/freescale/m5275evb/mii.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.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 <asm/fec.h>
+#include <asm/immap.h>
+
+#include <config.h>
+#include <net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
+#undef MII_DEBUG
+#undef ET_DEBUG
+
+int fecpin_setclear(struct eth_device *dev, int setclear)
+{
+ struct fec_info_s *info = (struct fec_info_s *) dev->priv;
+ volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO;
+
+ if (setclear) {
+ /* Enable Ethernet pins */
+ if (info->iobase == CFG_FEC0_IOBASE) {
+ gpio->par_feci2c |= 0x0F00;
+ gpio->par_fec0hl |= 0xC0;
+ } else {
+ gpio->par_feci2c |= 0x00A0;
+ gpio->par_fec1hl |= 0xC0;
+ }
+ } else {
+ if (info->iobase == CFG_FEC0_IOBASE) {
+ gpio->par_feci2c &= ~0x0F00;
+ gpio->par_fec0hl &= ~0xC0;
+ } else {
+ gpio->par_feci2c &= ~0x00A0;
+ gpio->par_fec1hl &= ~0xC0;
+ }
+ }
+
+ return 0;
+}
+
+#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_CMD_MII)
+#include <miiphy.h>
+
+/* Make MII read/write commands for the FEC. */
+#define mk_mii_read(ADDR, REG) (0x60020000 | ((ADDR << 23) | (REG & 0x1f) << 18))
+
+#define mk_mii_write(ADDR, REG, VAL) (0x50020000 | ((ADDR << 23) | (REG & 0x1f) << 18) | (VAL & 0xffff))
+
+/* PHY identification */
+#define PHY_ID_LXT970 0x78100000 /* LXT970 */
+#define PHY_ID_LXT971 0x001378e0 /* LXT971 and 972 */
+#define PHY_ID_82555 0x02a80150 /* Intel 82555 */
+#define PHY_ID_QS6612 0x01814400 /* QS6612 */
+#define PHY_ID_AMD79C784 0x00225610 /* AMD 79C784 */
+#define PHY_ID_LSI80225 0x0016f870 /* LSI 80225 */
+#define PHY_ID_LSI80225B 0x0016f880 /* LSI 80225/B */
+#define PHY_ID_DP83848VV 0x20005C90 /* National 83848 */
+#define PHY_ID_DP83849 0x20005CA2 /* National 82849 */
+#define PHY_ID_KS8721BL 0x00221619 /* Micrel KS8721BL/SL */
+
+#define STR_ID_LXT970 "LXT970"
+#define STR_ID_LXT971 "LXT971"
+#define STR_ID_82555 "Intel82555"
+#define STR_ID_QS6612 "QS6612"
+#define STR_ID_AMD79C784 "AMD79C784"
+#define STR_ID_LSI80225 "LSI80225"
+#define STR_ID_LSI80225B "LSI80225/B"
+#define STR_ID_DP83848VV "N83848"
+#define STR_ID_DP83849 "N83849"
+#define STR_ID_KS8721BL "KS8721BL"
+
+/****************************************************************************
+ * mii_init -- Initialize the MII for MII command without ethernet
+ * This function is a subset of eth_init
+ ****************************************************************************
+ */
+void mii_reset(struct fec_info_s *info)
+{
+ volatile fec_t *fecp = (fec_t *) (info->miibase);
+ int i;
+
+ fecp->ecr = FEC_ECR_RESET;
+ for (i = 0; (fecp->ecr & FEC_ECR_RESET) && (i < FEC_RESET_DELAY); ++i) {
+ udelay(1);
+ }
+ if (i == FEC_RESET_DELAY) {
+ printf("FEC_RESET_DELAY timeout\n");
+ }
+}
+
+/* send command to phy using mii, wait for result */
+uint mii_send(uint mii_cmd)
+{
+ struct fec_info_s *info;
+ struct eth_device *dev;
+ volatile fec_t *ep;
+ uint mii_reply;
+ int j = 0;
+
+ /* retrieve from register structure */
+ dev = eth_get_dev();
+ info = dev->priv;
+
+ ep = (fec_t *) info->miibase;
+
+ ep->mmfr = mii_cmd; /* command to phy */
+
+ /* wait for mii complete */
+ while (!(ep->eir & FEC_EIR_MII) && (j < MCFFEC_TOUT_LOOP)) {
+ udelay(1);
+ j++;
+ }
+ if (j >= MCFFEC_TOUT_LOOP) {
+ printf("MII not complete\n");
+ return -1;
+ }
+
+ mii_reply = ep->mmfr; /* result from phy */
+ ep->eir = FEC_EIR_MII; /* clear MII complete */
+#ifdef ET_DEBUG
+ printf("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
+ __FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
+#endif
+
+ return (mii_reply & 0xffff); /* data read from phy */
+}
+#endif /* CFG_DISCOVER_PHY || (CONFIG_COMMANDS & CONFIG_CMD_MII) */
+
+#if defined(CFG_DISCOVER_PHY)
+int mii_discover_phy(struct eth_device *dev)
+{
+#define MAX_PHY_PASSES 11
+ struct fec_info_s *info = dev->priv;
+ int phyaddr, pass;
+ uint phyno, phytype;
+
+ if (info->phyname_init)
+ return info->phy_addr;
+
+ phyaddr = -1; /* didn't find a PHY yet */
+ for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
+ if (pass > 1) {
+ /* PHY may need more time to recover from reset.
+ * The LXT970 needs 50ms typical, no maximum is
+ * specified, so wait 10ms before try again.
+ * With 11 passes this gives it 100ms to wake up.
+ */
+ udelay(10000); /* wait 10ms */
+ }
+
+ for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) {
+
+ phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1));
+#ifdef ET_DEBUG
+ printf("PHY type 0x%x pass %d type\n", phytype, pass);
+#endif
+ if (phytype != 0xffff) {
+ phyaddr = phyno;
+ phytype <<= 16;
+ phytype |=
+ mii_send(mk_mii_read(phyno, PHY_PHYIDR2));
+
+ switch (phytype & 0xffffffff) {
+ case PHY_ID_KS8721BL:
+ strcpy(info->phy_name,
+ STR_ID_KS8721BL);
+ info->phyname_init = 1;
+ break;
+ default:
+ strcpy(info->phy_name, "unknown");
+ info->phyname_init = 1;
+ break;
+ }
+
+#ifdef ET_DEBUG
+ printf("PHY @ 0x%x pass %d type ", phyno, pass);
+ switch (phytype & 0xffffffff) {
+ case PHY_ID_KS8721BL:
+ printf(STR_ID_KS8721BL);
+ break;
+ default:
+ printf("0x%08x\n", phytype);
+ break;
+ }
+#endif
+ }
+ }
+ }
+ if (phyaddr < 0)
+ printf("No PHY device found.\n");
+
+ return phyaddr;
+}
+#endif /* CFG_DISCOVER_PHY */
+
+void mii_init(void) __attribute__((weak,alias("__mii_init")));
+
+void __mii_init(void)
+{
+ volatile fec_t *fecp;
+ struct fec_info_s *info;
+ struct eth_device *dev;
+ int miispd = 0, i = 0;
+ u16 autoneg = 0;
+
+ /* retrieve from register structure */
+ dev = eth_get_dev();
+ info = dev->priv;
+
+ fecp = (fec_t *) info->miibase;
+
+ fecpin_setclear(dev, 1);
+
+ mii_reset(info);
+
+ /* We use strictly polling mode only */
+ fecp->eimr = 0;
+
+ /* Clear any pending interrupt */
+ fecp->eir = 0xffffffff;
+
+ /* Set MII speed */
+ miispd = (gd->bus_clk / 1000000) / 5;
+ fecp->mscr = miispd << 1;
+
+ info->phy_addr = mii_discover_phy(dev);
+
+#define AUTONEGLINK (PHY_BMSR_AUTN_COMP | PHY_BMSR_LS)
+ while (i < MCFFEC_TOUT_LOOP) {
+ autoneg = 0;
+ miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &autoneg);
+ i++;
+
+ if ((autoneg & AUTONEGLINK) == AUTONEGLINK)
+ break;
+
+ udelay(500);
+ }
+ if (i >= MCFFEC_TOUT_LOOP) {
+ printf("Auto Negotiation not complete\n");
+ }
+
+ /* adapt to the half/full speed settings */
+ info->dup_spd = miiphy_duplex(dev->name, info->phy_addr) << 16;
+ info->dup_spd |= miiphy_speed(dev->name, info->phy_addr);
+}
+
+/*****************************************************************************
+ * Read and write a MII PHY register, routines used by MII Utilities
+ *
+ * FIXME: These routines are expected to return 0 on success, but mii_send
+ * does _not_ return an error code. Maybe 0xFFFF means error, i.e.
+ * no PHY connected...
+ * For now always return 0.
+ * FIXME: These routines only work after calling eth_init() at least once!
+ * Otherwise they hang in mii_send() !!! Sorry!
+ *****************************************************************************/
+
+int mcffec_miiphy_read(char *devname, unsigned char addr, unsigned char reg,
+ unsigned short *value)
+{
+ short rdreg; /* register working value */
+
+#ifdef MII_DEBUG
+ printf("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
+#endif
+ rdreg = mii_send(mk_mii_read(addr, reg));
+
+ *value = rdreg;
+
+#ifdef MII_DEBUG
+ printf("0x%04x\n", *value);
+#endif
+
+ return 0;
+}
+
+int mcffec_miiphy_write(char *devname, unsigned char addr, unsigned char reg,
+ unsigned short value)
+{
+ short rdreg; /* register working value */
+
+#ifdef MII_DEBUG
+ printf("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
+#endif
+
+ rdreg = mii_send(mk_mii_write(addr, reg, value));
+
+#ifdef MII_DEBUG
+ printf("0x%04x\n", value);
+#endif
+
+ return 0;
+}
+
+#endif /* CONFIG_CMD_NET, FEC_ENET & NET_MULTI */
diff --git a/board/freescale/m5275evb/u-boot.lds b/board/freescale/m5275evb/u-boot.lds
new file mode 100644
index 0000000..43d6500
--- /dev/null
+++ b/board/freescale/m5275evb/u-boot.lds
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
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+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
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+ common/dlmalloc.o (.text)
+ lib_generic/string.o (.text)
+ lib_generic/zlib.o (.text)
+
+ . = DEFINED(env_offset) ? env_offset : .;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
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+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
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+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
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+ CONSTRUCTORS
+ }
+ _edata = .;
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+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
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+
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+ __start___ex_table = .;
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+ PROVIDE (end = .);
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