ColdFire: MCF547x_8x - Add M547xEVB and M548xEVB board support

Signed-off-by: TsiChungLiew Tsi-Chung.Liew@freescale.com --- board/freescale/m547xevb/Makefile | 44 +++++ board/freescale/m547xevb/config.mk | 25 +++ board/freescale/m547xevb/m547xevb.c | 115 +++++++++++++ board/freescale/m547xevb/mii.c | 322 ++++++++++++++++++++++++++++ +++++++ board/freescale/m547xevb/u-boot.lds | 143 ++++++++++++++++ board/freescale/m548xevb/Makefile | 44 +++++ board/freescale/m548xevb/config.mk | 25 +++ board/freescale/m548xevb/m548xevb.c | 115 +++++++++++++ board/freescale/m548xevb/mii.c | 322 ++++++++++++++++++++++++++++ +++++++ board/freescale/m548xevb/u-boot.lds | 143 ++++++++++++++++ 10 files changed, 1298 insertions(+), 0 deletions(-) create mode 100644 board/freescale/m547xevb/Makefile create mode 100644 board/freescale/m547xevb/config.mk create mode 100644 board/freescale/m547xevb/m547xevb.c create mode 100644 board/freescale/m547xevb/mii.c create mode 100644 board/freescale/m547xevb/u-boot.lds create mode 100644 board/freescale/m548xevb/Makefile create mode 100644 board/freescale/m548xevb/config.mk create mode 100644 board/freescale/m548xevb/m548xevb.c create mode 100644 board/freescale/m548xevb/mii.c create mode 100644 board/freescale/m548xevb/u-boot.lds

diff --git a/board/freescale/m547xevb/Makefile b/board/freescale/m547xevb/Makefile new file mode 100644 index 0000000..74c2528 --- /dev/null +++ b/board/freescale/m547xevb/Makefile @@ -0,0 +1,44 @@ +# +# (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 = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o mii.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m547xevb/config.mk b/board/freescale/m547xevb/config.mk new file mode 100644 index 0000000..fa66b75 --- /dev/null +++ b/board/freescale/m547xevb/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 = 0xFF800000 diff --git a/board/freescale/m547xevb/m547xevb.c b/board/freescale/m547xevb/m547xevb.c new file mode 100644 index 0000000..0286084 --- /dev/null +++ b/board/freescale/m547xevb/m547xevb.c @@ -0,0 +1,115 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 <config.h> +#include <common.h> +#include <pci.h> +#include <asm/immap.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale FireEngine 5475 EVB\n"); + return 0; +}; + +long int initdram(int board_type) +{ + volatile siu_t *siu = (siu_t *) (MMAP_SIU); + volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); + u32 dramsize, i; + + siu->drv = CFG_SDRAM_DRVSTRENGTH; + + dramsize = CFG_DRAMSZ * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + siu->cs0cfg = (CFG_SDRAM_BASE | i); + +#ifdef CFG_DRAMSZ1 + temp = CFG_DRAMSZ1 * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (temp == (1 << i)) + break; + } + i--; + dramsize += temp; + siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i); +#endif + + sdram->cfg1 = CFG_SDRAM_CFG1; + sdram->cfg2 = CFG_SDRAM_CFG2; + + /* Issue PALL */ + sdram->ctrl = CFG_SDRAM_CTRL | 2; + + /* Issue LEMR */ + sdram->mode = CFG_SDRAM_EMOD; + sdram->mode = (CFG_SDRAM_MODE | 0x04000000); + + udelay(500); + + /* Issue PALL */ + sdram->ctrl = (CFG_SDRAM_CTRL | 2); + + /* Perform two refresh cycles */ + sdram->ctrl = CFG_SDRAM_CTRL | 4; + sdram->ctrl = CFG_SDRAM_CTRL | 4; + + sdram->mode = CFG_SDRAM_MODE; + + sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00; + + udelay(100); + + return dramsize; +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI devices, report devices found. + */ +static struct pci_controller hose; +extern void pci_mcf547x_8x_init(struct pci_controller *hose); + +void pci_init_board(void) +{ + pci_mcf547x_8x_init(&hose); +} +#endif /* CONFIG_PCI */ diff --git a/board/freescale/m547xevb/mii.c b/board/freescale/m547xevb/mii.c new file mode 100644 index 0000000..5b2683b --- /dev/null +++ b/board/freescale/m547xevb/mii.c @@ -0,0 +1,322 @@ +/* + * 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 <config.h> +#include <net.h> + +#include <asm/immap.h> +#include <asm/fec.h> +#include <asm/fsl_mcdmafec.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) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct fec_info_dma *info = (struct fec_info_dma *)dev->priv; + + if (setclear) { + if (info->iobase == CFG_FEC0_IOBASE) + gpio->par_feci2cirq |= 0xF000; + else + gpio->par_feci2cirq |= 0x0FC0; + } else { + if (info->iobase == CFG_FEC0_IOBASE) + gpio->par_feci2cirq &= 0x0FFF; + else + gpio->par_feci2cirq &= 0xF03F; + } + 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_BCM5222 0x00406322 /* Broadcom 5222 */ + +#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_BCM5222 "BCM5222" + +/**************************************************************************** + * mii_init -- Initialize the MII for MII command without ethernet + * This function is a subset of eth_init + **************************************************************************** + */ +void mii_reset(struct fec_info_dma *info) +{ + volatile fecdma_t *fecp = (fecdma_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_dma *info; + struct eth_device *dev; + volatile fecdma_t *ep; + uint mii_reply; + int j = 0; + + /* retrieve from register structure */ + dev = eth_get_dev(); + info = dev->priv; + + ep = (fecdma_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_CMD_MII */ + +#if defined(CFG_DISCOVER_PHY) +int mii_discover_phy(struct eth_device *dev) +{ +#define MAX_PHY_PASSES 11 + struct fec_info_dma *info = dev->priv; + int phyaddr, pass, temp; + 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 */ + } + + temp = 0; + if (info->index > 0) { + /* Some phy have multiple address, to solve the issue + where phyno keeps starting from 0, check the + previous phy address if both miibase are the same. */ + if (info->miibase == (info->next)->miibase) { + temp = (info->next)->phy_addr + 1; + } + } + + for (phyno = temp; 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_BCM5222: + strcpy(info->phy_name, STR_ID_BCM5222); + 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_BCM5222: + printf(STR_ID_BCM5222); + 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 fecdma_t *fecp; + struct fec_info_dma *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 = (fecdma_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/m547xevb/u-boot.lds b/board/freescale/m547xevb/u-boot.lds new file mode 100644 index 0000000..c10472a --- /dev/null +++ b/board/freescale/m547xevb/u-boot.lds @@ -0,0 +1,143 @@ +/* + * (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(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: */ + . = + 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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf547x_8x/start.o (.text) + lib_m68k/traps.o (.text) + lib_m68k/interrupts.o (.text) + common/dlmalloc.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.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_start = .; + *(.got) + __got_end = .; + _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 = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __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 = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/freescale/m548xevb/Makefile b/board/freescale/m548xevb/Makefile new file mode 100644 index 0000000..74c2528 --- /dev/null +++ b/board/freescale/m548xevb/Makefile @@ -0,0 +1,44 @@ +# +# (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 = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o mii.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/m548xevb/config.mk b/board/freescale/m548xevb/config.mk new file mode 100644 index 0000000..fa66b75 --- /dev/null +++ b/board/freescale/m548xevb/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 = 0xFF800000 diff --git a/board/freescale/m548xevb/m548xevb.c b/board/freescale/m548xevb/m548xevb.c new file mode 100644 index 0000000..0372807 --- /dev/null +++ b/board/freescale/m548xevb/m548xevb.c @@ -0,0 +1,115 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 <config.h> +#include <common.h> +#include <pci.h> +#include <asm/immap.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale FireEngine 5485 EVB\n"); + return 0; +}; + +long int initdram(int board_type) +{ + volatile siu_t *siu = (siu_t *) (MMAP_SIU); + volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); + u32 dramsize, i; + + siu->drv = CFG_SDRAM_DRVSTRENGTH; + + dramsize = CFG_DRAMSZ * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (dramsize == (1 << i)) + break; + } + i--; + siu->cs0cfg = (CFG_SDRAM_BASE | i); + +#ifdef CFG_DRAMSZ1 + temp = CFG_DRAMSZ1 * 0x100000; + for (i = 0x13; i < 0x20; i++) { + if (temp == (1 << i)) + break; + } + i--; + dramsize += temp; + siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i); +#endif + + sdram->cfg1 = CFG_SDRAM_CFG1; + sdram->cfg2 = CFG_SDRAM_CFG2; + + /* Issue PALL */ + sdram->ctrl = CFG_SDRAM_CTRL | 2; + + /* Issue LEMR */ + sdram->mode = CFG_SDRAM_EMOD; + sdram->mode = (CFG_SDRAM_MODE | 0x04000000); + + udelay(500); + + /* Issue PALL */ + sdram->ctrl = (CFG_SDRAM_CTRL | 2); + + /* Perform two refresh cycles */ + sdram->ctrl = CFG_SDRAM_CTRL | 4; + sdram->ctrl = CFG_SDRAM_CTRL | 4; + + sdram->mode = CFG_SDRAM_MODE; + + sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00; + + udelay(100); + + return dramsize; +}; + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#if defined(CONFIG_PCI) +/* + * Initialize PCI devices, report devices found. + */ +static struct pci_controller hose; +extern void pci_mcf547x_8x_init(struct pci_controller *hose); + +void pci_init_board(void) +{ + pci_mcf547x_8x_init(&hose); +} +#endif /* CONFIG_PCI */ diff --git a/board/freescale/m548xevb/mii.c b/board/freescale/m548xevb/mii.c new file mode 100644 index 0000000..5b2683b --- /dev/null +++ b/board/freescale/m548xevb/mii.c @@ -0,0 +1,322 @@ +/* + * 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 <config.h> +#include <net.h> + +#include <asm/immap.h> +#include <asm/fec.h> +#include <asm/fsl_mcdmafec.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) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct fec_info_dma *info = (struct fec_info_dma *)dev->priv; + + if (setclear) { + if (info->iobase == CFG_FEC0_IOBASE) + gpio->par_feci2cirq |= 0xF000; + else + gpio->par_feci2cirq |= 0x0FC0; + } else { + if (info->iobase == CFG_FEC0_IOBASE) + gpio->par_feci2cirq &= 0x0FFF; + else + gpio->par_feci2cirq &= 0xF03F; + } + 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_BCM5222 0x00406322 /* Broadcom 5222 */ + +#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_BCM5222 "BCM5222" + +/**************************************************************************** + * mii_init -- Initialize the MII for MII command without ethernet + * This function is a subset of eth_init + **************************************************************************** + */ +void mii_reset(struct fec_info_dma *info) +{ + volatile fecdma_t *fecp = (fecdma_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_dma *info; + struct eth_device *dev; + volatile fecdma_t *ep; + uint mii_reply; + int j = 0; + + /* retrieve from register structure */ + dev = eth_get_dev(); + info = dev->priv; + + ep = (fecdma_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_CMD_MII */ + +#if defined(CFG_DISCOVER_PHY) +int mii_discover_phy(struct eth_device *dev) +{ +#define MAX_PHY_PASSES 11 + struct fec_info_dma *info = dev->priv; + int phyaddr, pass, temp; + 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 */ + } + + temp = 0; + if (info->index > 0) { + /* Some phy have multiple address, to solve the issue + where phyno keeps starting from 0, check the + previous phy address if both miibase are the same. */ + if (info->miibase == (info->next)->miibase) { + temp = (info->next)->phy_addr + 1; + } + } + + for (phyno = temp; 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_BCM5222: + strcpy(info->phy_name, STR_ID_BCM5222); + 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_BCM5222: + printf(STR_ID_BCM5222); + 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 fecdma_t *fecp; + struct fec_info_dma *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 = (fecdma_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/m548xevb/u-boot.lds b/board/freescale/m548xevb/u-boot.lds new file mode 100644 index 0000000..c10472a --- /dev/null +++ b/board/freescale/m548xevb/u-boot.lds @@ -0,0 +1,143 @@ +/* + * (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(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: */ + . = + 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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/mcf547x_8x/start.o (.text) + lib_m68k/traps.o (.text) + lib_m68k/interrupts.o (.text) + common/dlmalloc.o (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.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_start = .; + *(.got) + __got_end = .; + _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 = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __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 = .; + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + _end = . ; + PROVIDE (end = .); +}