diff options
Diffstat (limited to 'cpu/coldfire')
| -rw-r--r-- | cpu/coldfire/Makefile | 45 | ||||
| -rw-r--r-- | cpu/coldfire/config.mk | 26 | ||||
| -rw-r--r-- | cpu/coldfire/cpu.c | 87 | ||||
| -rw-r--r-- | cpu/coldfire/fec.c | 296 | ||||
| -rw-r--r-- | cpu/coldfire/fec.h | 28 | ||||
| -rw-r--r-- | cpu/coldfire/interrupts.c | 127 | ||||
| -rw-r--r-- | cpu/coldfire/serial.c | 168 | ||||
| -rw-r--r-- | cpu/coldfire/speed.c | 35 | ||||
| -rw-r--r-- | cpu/coldfire/start.S | 165 |
9 files changed, 0 insertions, 977 deletions
diff --git a/cpu/coldfire/Makefile b/cpu/coldfire/Makefile deleted file mode 100644 index 3976f5689d..0000000000 --- a/cpu/coldfire/Makefile +++ /dev/null @@ -1,45 +0,0 @@ -# -# (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 $(TOPDIR)/config.mk - -# CFLAGS += -DET_DEBUG - -LIB = lib$(CPU).a - -START = -OBJS = kgdb.o serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o - -all: .depend $(START) $(LIB) - -$(LIB): $(OBJS) - $(AR) crv $@ $(OBJS) kgdb.o - -######################################################################### - -.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) - $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@ - -sinclude .depend - -######################################################################### diff --git a/cpu/coldfire/config.mk b/cpu/coldfire/config.mk deleted file mode 100644 index 72b33cea21..0000000000 --- a/cpu/coldfire/config.mk +++ /dev/null @@ -1,26 +0,0 @@ -# -# (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 -# - -PLATFORM_RELFLAGS += - -PLATFORM_CPPFLAGS += -m5200 diff --git a/cpu/coldfire/cpu.c b/cpu/coldfire/cpu.c deleted file mode 100644 index 5ce0639909..0000000000 --- a/cpu/coldfire/cpu.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * (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 <common.h> -#include <watchdog.h> -#include <command.h> -#ifdef CONFIG_M5272 -#include <asm/m5272.h> -#endif -#ifdef CONFIG_M5282 -#include <asm/m5282.h> -#endif -#include <asm/cache.h> - -int do_reset (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) -{ - return 0; -} - -unsigned long get_tbclk (void) -{ - return CFG_HZ; -} - -int checkcpu (void) -{ -#ifdef CONFIG_M5272 - puts ("MOTOROLA Coldfire MCF5272\n"); -#endif -#ifdef CONFIG_M5282 - puts ("MOTOROLA Coldfire MCF5282\n"); -#endif - return 0; -} - -void do_exception (void) -{ - printf ("\n\n*** Unexpected exception ... Reset Board! ***\n"); - for (;;); -} - -void do_buserror (void) -{ - printf ("\n\n*** Bus error ... Reset Board! ***\n"); - for (;;); -} - -void do_addresserror (void) -{ - printf ("\n\n*** Address error ... Reset Board! ***\n"); - for (;;); -} - -void trap_init (ulong value) -{ - extern void buserror_handler (void); - extern void addresserror_handler (void); - extern void exception_handler (void); - unsigned long *vec = 0; - int i; - - vec[2] = buserror_handler; - vec[3] = addresserror_handler; - for (i = 4; i < 256; i++) { - vec[i] = exception_handler; - } -} diff --git a/cpu/coldfire/fec.c b/cpu/coldfire/fec.c deleted file mode 100644 index 50627415ec..0000000000 --- a/cpu/coldfire/fec.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * (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 - */ - -#include <common.h> -#include <commproc.h> -#include <net.h> -#include <command.h> - - -/************************************************************** - * - * FEC Ethernet Initialization Routine - * - *************************************************************/ - -#define FEC_ECNTRL_ETHER_EN 0x00000002 -#define FEC_ECNTRL_RESET 0x00000001 - -#define FEC_RCNTRL_BC_REJ 0x00000010 -#define FEC_RCNTRL_PROM 0x00000008 -#define FEC_RCNTRL_MII_MODE 0x00000004 -#define FEC_RCNTRL_DRT 0x00000002 -#define FEC_RCNTRL_LOOP 0x00000001 - -#define FEC_TCNTRL_FDEN 0x00000004 -#define FEC_TCNTRL_HBC 0x00000002 -#define FEC_TCNTRL_GTS 0x00000001 - -#define FEC_RESET_DELAY 50000 - - -/* Ethernet Transmit and Receive Buffers */ -#define DBUF_LENGTH 1520 -#define TX_BUF_CNT 2 -#define TOUT_LOOP 100 - -#define PKT_MAXBUF_SIZE 1518 -#define PKT_MINBUF_SIZE 64 -#define PKT_MAXBLR_SIZE 1520 - - -#ifdef CONFIG_M5272 -#define FEC_ADDR 0x10000840 -#endif -#ifdef CONFIG_M5282 -#define FEC_ADDR 0x40001000 -#endif - -#undef ET_DEBUG - -#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET) - - -static char txbuf[DBUF_LENGTH]; - -static uint rxIdx; /* index of the current RX buffer */ -static uint txIdx; /* index of the current TX buffer */ - -/* - * FEC Ethernet Tx and Rx buffer descriptors allocated at the - * immr->udata_bd address on Dual-Port RAM - * Provide for Double Buffering - */ - -typedef volatile struct CommonBufferDescriptor { - cbd_t rxbd[PKTBUFSRX]; /* Rx BD */ - cbd_t txbd[TX_BUF_CNT]; /* Tx BD */ -} RTXBD; - -static RTXBD *rtx = 0x380000; - - -int eth_send (volatile void *packet, int length) -{ - int j, rc; - volatile fec_t *fecp = FEC_ADDR; - - /* section 16.9.23.3 - * Wait for ready - */ - j = 0; - while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) - && (j < TOUT_LOOP)) { - udelay (1); - j++; - } - if (j >= TOUT_LOOP) { - printf ("TX not ready\n"); - } - - rtx->txbd[txIdx].cbd_bufaddr = (uint) packet; - rtx->txbd[txIdx].cbd_datlen = length; - rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST; - - /* Activate transmit Buffer Descriptor polling */ - fecp->fec_x_des_active = 0x01000000; /* Descriptor polling active */ - - j = 0; - while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) - && (j < TOUT_LOOP)) { - udelay (1); - j++; - } - if (j >= TOUT_LOOP) { - printf ("TX timeout\n"); - } -#ifdef ET_DEBUG - printf ("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n", - __FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc, - (rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2); -#endif - /* return only status bits */ ; - rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS); - - txIdx = (txIdx + 1) % TX_BUF_CNT; - - return rc; -} - -int eth_rx (void) -{ - int length; - volatile fec_t *fecp = FEC_ADDR; - - for (;;) { - /* section 16.9.23.2 */ - if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { - length = -1; - break; /* nothing received - leave for() loop */ - } - - length = rtx->rxbd[rxIdx].cbd_datlen; - - if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) { -#ifdef ET_DEBUG - printf ("%s[%d] err: %x\n", - __FUNCTION__, __LINE__, - rtx->rxbd[rxIdx].cbd_sc); -#endif - } else { - /* Pass the packet up to the protocol layers. */ - NetReceive (NetRxPackets[rxIdx], length - 4); - } - - /* Give the buffer back to the FEC. */ - rtx->rxbd[rxIdx].cbd_datlen = 0; - - /* wrap around buffer index when necessary */ - if ((rxIdx + 1) >= PKTBUFSRX) { - rtx->rxbd[PKTBUFSRX - 1].cbd_sc = - (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY); - rxIdx = 0; - } else { - rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY; - rxIdx++; - } - - /* Try to fill Buffer Descriptors */ - fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */ - } - - return length; -} - - -int eth_init (bd_t * bd) -{ - - int i; - volatile fec_t *fecp = FEC_ADDR; - - /* Whack a reset. - * A delay is required between a reset of the FEC block and - * initialization of other FEC registers because the reset takes - * some time to complete. If you don't delay, subsequent writes - * to FEC registers might get killed by the reset routine which is - * still in progress. - */ - - fecp->fec_ecntrl = FEC_ECNTRL_RESET; - for (i = 0; - (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); - ++i) { - udelay (1); - } - if (i == FEC_RESET_DELAY) { - printf ("FEC_RESET_DELAY timeout\n"); - return 0; - } - - /* We use strictly polling mode only - */ - fecp->fec_imask = 0; - - /* Clear any pending interrupt */ - fecp->fec_ievent = 0xffffffff; - - /* Set station address */ -#define ea bd->bi_enetaddr - fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) | - (ea[2] << 8) | (ea[3]); - fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16); -#undef ea - - /* Clear multicast address hash table - */ - fecp->fec_hash_table_high = 0; - fecp->fec_hash_table_low = 0; - - /* Set maximum receive buffer size. - */ - fecp->fec_r_buff_size = PKT_MAXBLR_SIZE; - - /* - * Setup Buffers and Buffer Desriptors - */ - rxIdx = 0; - txIdx = 0; - - /* - * Setup Receiver Buffer Descriptors (13.14.24.18) - * Settings: - * Empty, Wrap - */ - for (i = 0; i < PKTBUFSRX; i++) { - rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; - rtx->rxbd[i].cbd_datlen = 0; /* Reset */ - rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i]; - } - rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; - - /* - * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19) - * Settings: - * Last, Tx CRC - */ - for (i = 0; i < TX_BUF_CNT; i++) { - rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC; - rtx->txbd[i].cbd_datlen = 0; /* Reset */ - rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]); - } - rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; - - /* Set receive and transmit descriptor base - */ - fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]); - fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]); - - /* Enable MII mode - */ - - /* Half duplex mode */ - fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE; - fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE; - fecp->fec_x_cntrl = 0; - - fecp->fec_mii_speed = 0; - - /* Now enable the transmit and receive processing - */ - fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN; - - /* And last, try to fill Rx Buffer Descriptors */ - fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */ - - return 1; -} - - -void eth_halt (void) -{ - volatile fec_t *fecp = FEC_ADDR; - - fecp->fec_ecntrl = 0; -} -#endif diff --git a/cpu/coldfire/fec.h b/cpu/coldfire/fec.h deleted file mode 100644 index a49417c666..0000000000 --- a/cpu/coldfire/fec.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * (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 - */ - -#ifndef _FEC_H_ -#define _FEC_H_ - - -#endif /* _FEC_H_ */ diff --git a/cpu/coldfire/interrupts.c b/cpu/coldfire/interrupts.c deleted file mode 100644 index 3861ff1019..0000000000 --- a/cpu/coldfire/interrupts.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * (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 <common.h> -#include <watchdog.h> -#ifdef CONFIG_M5272 -#include <asm/m5272.h> -#endif -#ifdef CONFIG_M5282 -#include <asm/m5282.h> -#endif -#include <asm/mcftimer.h> -#include <asm/processor.h> -#include <commproc.h> - -static ulong timestamp; -static unsigned short lastinc; - -void coldfire_timer_init (void) -{ - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - timestamp = 0; - -#ifdef CONFIG_M5272 - /* Set up TIMER 4 as poll clock */ - timerp[MCFTIMER_TMR] = MCFTIMER_TMR_DISABLE; - timerp[MCFTIMER_TRR] = lastinc = 0; - timerp[MCFTIMER_TMR] = (65 << 8) | MCFTIMER_TMR_CLK1 | - MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE; -#endif - -#ifdef CONFIG_M5282 - /* Set up TIMER 4 as poll clock */ - timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW; - timerp[MCFTIMER_PMR] = lastinc = 0; - timerp[MCFTIMER_PCSR] = - (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW; -#endif -} - - -void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) -{ -} -void irq_free_handler (int vec) -{ -} - -int interrupt_init (void) -{ - coldfire_timer_init (); - return 0; -} - -void enable_interrupts () -{ -} -int disable_interrupts () -{ - return 0; -} - -void set_timer (ulong t) -{ - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - timestamp = 0; - -#ifdef CONFIG_M5272 - timerp[MCFTIMER_TRR] = lastinc = 0; -#endif - -#ifdef CONFIG_M5282 - timerp[MCFTIMER_PMR] = lastinc = 0; -#endif -} - -ulong get_timer (ulong base) -{ - unsigned short now, diff; - volatile unsigned short *timerp; - - timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4); - -#ifdef CONFIG_M5272 - now = timerp[MCFTIMER_TCN]; - diff = (now - lastinc); -#endif - -#ifdef CONFIG_M5282 - now = timerp[MCFTIMER_PCNTR]; - diff = -(now - lastinc); -#endif - - timestamp += diff; - lastinc = now; - return timestamp - base; -} - -void wait_ticks (unsigned long ticks) -{ - set_timer (0); - while (get_timer (0) < ticks); -} diff --git a/cpu/coldfire/serial.c b/cpu/coldfire/serial.c deleted file mode 100644 index a140fe3dba..0000000000 --- a/cpu/coldfire/serial.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * (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 <common.h> -#include <commproc.h> -#include <command.h> - -#ifdef CONFIG_M5272 -#include <asm/m5272.h> -#endif -#ifdef CONFIG_M5282 -#include <asm/m5282.h> -#endif -#include <asm/mcfuart.h> - -#define DoubleClock(a) ((double)(MCF_CLK) / 32.0 / (double)(a)) - -void rs_serial_setbaudrate (int port, int baudrate) -{ -#ifdef CONFIG_M5272 - volatile unsigned char *uartp; - double clock, fraction; - - if (port == 0) - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1); - else - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE2); - - clock = DoubleClock (baudrate); /* Set baud above */ - - fraction = ((clock - (int) clock) * 16.0) + 0.5; - - uartp[MCFUART_UBG1] = (((int) clock >> 8) & 0xff); /* set msb baud */ - uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */ - uartp[MCFUART_UFPD] = ((int) fraction & 0xf); /* set baud fraction adjust */ -#endif -} - -void rs_serial_init (int port, int baudrate) -{ - volatile unsigned char *uartp; - double clock, fraction; - - /* - * Reset UART, get it into known state... - */ - if (port == 0) - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1); - else - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE2); - - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; /* reset Error pointer */ - - /* - * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity. - */ - uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8; - uartp[MCFUART_UMR] = MCFUART_MR2_STOP1; - - rs_serial_setbaudrate (port, baudrate); - - uartp[MCFUART_UCSR] = - MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER; - uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; - - return; -} - - -/****************************************************************************/ - -/* - * Output a single character, using UART polled mode. - * This is used for console output. - */ - -void rs_put_char (char ch) -{ - volatile unsigned char *uartp; - int i; - - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1); - - for (i = 0; (i < 0x10000); i++) { - if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY) - break; - } - uartp[MCFUART_UTB] = ch; - return; -} - -int rs_is_char (void) -{ - volatile unsigned char *uartp; - - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1); - return ((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0); -} - -int rs_get_char (void) -{ - volatile unsigned char *uartp; - - uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1); - return (uartp[MCFUART_URB]); -} - -void serial_setbrg (void) -{ - DECLARE_GLOBAL_DATA_PTR; - rs_serial_setbaudrate (0, gd->bd->bi_baudrate); -} - -int serial_init (void) -{ - DECLARE_GLOBAL_DATA_PTR; - rs_serial_init (0, gd->bd->bi_baudrate); - return 0; -} - - -void serial_putc (const char c) -{ - if (c == '\n') - serial_putc ('\r'); - rs_put_char (c); -} - -void serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int serial_getc (void) -{ - while (!rs_is_char ()); - return rs_get_char (); -} - -int serial_tstc () -{ - return rs_is_char (); -} diff --git a/cpu/coldfire/speed.c b/cpu/coldfire/speed.c deleted file mode 100644 index 0fe0925d10..0000000000 --- a/cpu/coldfire/speed.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * (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 <common.h> -#include <asm/processor.h> - -ulong get_gclk_freq (void) -{ - return 0; -} - -ulong get_bus_freq (ulong gclk_freq) -{ - return 0; -} diff --git a/cpu/coldfire/start.S b/cpu/coldfire/start.S deleted file mode 100644 index 44542231db..0000000000 --- a/cpu/coldfire/start.S +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> - * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> - * Copyright (C) 2000-2003 Wolfgang Denk <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 - */ - -#include <config.h> -#include "version.h" - -#ifndef CONFIG_IDENT_STRING -#define CONFIG_IDENT_STRING "" -#endif - -#define MCF_MBAR 0x10000000 -#define MEM_BUILTIN_ADDR 0x20000000 -#define MEM_BUILTIN_SIZE 0x1000 -#define DRAM_ADDR 0x0 -#define DRAM_SIZE 0x400000 - - .text - - .globl _start -_start: - nop - nop - move.w #0x2700,%sr - - move.l #0, %d0 - movec %d0, %VBR - -#ifdef CONFIG_M5272 - move.l #(MCF_MBAR+1), %d0 - move.c %d0, %MBAR - - move.l #(MEM_BUILTIN_ADDR+1), %d0 - movec %d0, %RAMBAR0 - - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0x0000c000, %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - move.l #0xff00c000, %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ - move.l #0x80000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ -#endif - - move.l #_sbss,%a0 - move.l #_ebss,%d0 -1: - clr.l (%a0)+ - cmp.l %a0,%d0 - bne.s 1b - -/* move.l #MEM_BUILTIN_ADDR+MEM_BUILTIN_SIZE, %sp */ - move.l #DRAM_ADDR+DRAM_SIZE, %sp - clr.l %sp@- - - jsr board_init_f - - .globl exception_handler -exception_handler: - move.w #0x2700,%sr - lea %sp@(-60),%sp - movem.l %d0-%d7/%a0-%a6,%sp@ - jsr do_exception - movem.l %sp@,%d0-%d7/%a0-%a6 - lea %sp@(60),%sp - rte - - .globl buserror_handler -buserror_handler: - move.w #0x2700,%sr - lea %sp@(-60),%sp - movem.l %d0-%d7/%a0-%a6,%sp@ - jsr do_buserror - movem.l %sp@,%d0-%d7/%a0-%a6 - lea %sp@(60),%sp - rte - - .globl addresserror_handler -addresserror_handler: - move.w #0x2700,%sr - lea %sp@(-60),%sp - movem.l %d0-%d7/%a0-%a6,%sp@ - jsr do_buserror - movem.l %sp@,%d0-%d7/%a0-%a6 - lea %sp@(60),%sp - rte - - .globl get_endaddr -get_endaddr: - movel #_end,%d0 - rts - -#ifdef CONFIG_M5272 - .globl icache_enable -icache_enable: - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0x0000c000, %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - move.l #0xff00c000, %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ - move.l #0x80000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - moveq #1, %d0 - move.l %d0, icache_state - rts - - .globl icache_disable -icache_disable: - move.l #0x00000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ - clr.l %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - movec %d0, %ACR1 /* Enable cache */ - moveq #0, %d0 - move.l %d0, icache_state - rts -#endif - -#ifdef CONFIG_M5282 - .globl icache_enable -icache_enable: - rts - - .globl icache_disable -icache_disable: - rts -#endif - - .globl icache_status -icache_status: - move.l icache_state, %d0 - rts - - .data -icache_state: - .long 1 - - .globl version_string -version_string: - .ascii U_BOOT_VERSION - .ascii " (", __DATE__, " - ", __TIME__, ")" - .ascii CONFIG_IDENT_STRING, "\0" |
