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author | TsiChung Liew <Tsi-Chung.Liew@freescale.com> | 2007-06-18 13:50:13 -0500 |
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committer | John Rigby <jrigby@freescale.com> | 2007-06-18 15:17:56 -0600 |
commit | 8e585f02f82c17cc66cd229dbf0fd3066bbbf658 (patch) | |
tree | 9483ff1f96ab9208eeac92101a5c6db855fcd2ee /cpu/mcf532x/cpu.c | |
parent | 9912121f7ed804ea58fd62f3f230b5dcfc357d88 (diff) | |
download | u-boot-imx-8e585f02f82c17cc66cd229dbf0fd3066bbbf658.zip u-boot-imx-8e585f02f82c17cc66cd229dbf0fd3066bbbf658.tar.gz u-boot-imx-8e585f02f82c17cc66cd229dbf0fd3066bbbf658.tar.bz2 |
Added M5329AFEE and M5329BFEE Platforms
Added board/freescale/m5329evb, cpu/mcf532x, drivers/net,
drivers/serial, immap_5329.h, m5329.h, mcfrtc.h,
include/configs/M5329EVB.h, lib_m68k/interrupts.c, and
rtc/mcfrtc.c
Modified CREDITS, MAKEFILE, Makefile, README, common/cmd_bdinfo.c,
common/cmd_mii.c, include/asm-m68k/byteorder.h, include/asm-m68k/fec.h,
include/asm-m68k/io.h, include/asm-m68k/mcftimer.h,
include/asm-m68k/mcfuart.h, include/asm-m68k/ptrace.h,
include/asm-m68k/u-boot.h, lib_m68k/Makefile, lib_m68k/board.c,
lib_m68k/time.c, net/eth.c and rtc/Makefile
Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>
Diffstat (limited to 'cpu/mcf532x/cpu.c')
-rw-r--r-- | cpu/mcf532x/cpu.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c new file mode 100644 index 0000000..071c503 --- /dev/null +++ b/cpu/mcf532x/cpu.c @@ -0,0 +1,134 @@ +/* + * + * (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 <common.h> +#include <watchdog.h> +#include <command.h> + +#include <asm/immap_5329.h> +#include <asm/m5329.h> + +int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) +{ + volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + + wdp->cr = 0; + udelay(1000); + + /* enable watchdog, set timeout to 0 and wait */ + wdp->cr = WTM_WCR_EN; + while (1) ; + + /* we don't return! */ + return 0; +}; + +int checkcpu(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; + u16 msk; + u16 id = 0; + u8 ver; + + puts("CPU: "); + msk = (ccm->cir >> 6); + ver = (ccm->cir & 0x003f); + switch (msk) { + case 0x54: + id = 5329; + break; + case 0x59: + id = 5328; + break; + case 0x61: + id = 5327; + break; + } + + if (id) { + printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, + ver); + printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n", + (int)(gd->cpu_clk / 1000000), + (int)(gd->bus_clk / 1000000)); + } + + return 0; +}; + +#if defined(CONFIG_WATCHDOG) +/* Called by macro WATCHDOG_RESET */ +void watchdog_reset(void) +{ + volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + + wdp->sr = 0x5555; /* Count register */ +} + +int watchdog_disable(void) +{ + volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + + /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ + wdp->cr |= WTM_WCR_HALTED; /* halted watchdog timer */ + + puts("WATCHDOG:disabled\n"); + return (0); +} + +int watchdog_init(void) +{ + volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + u32 wdog_module = 0; + + /* set timeout and enable watchdog */ + wdog_module = ((CFG_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT); + wdog_module |= (wdog_module / 8192); + wdp->mr = wdog_module; + + wdp->cr = WTM_WCR_EN; + puts("WATCHDOG:enabled\n"); + + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ + +#ifdef CONFIG_MCFINTC +int interrupt_init(void) +{ + volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE); + + /* Make sure all interrupts are disabled */ + intp->imrh0 |= 0xFFFFFFFF; + intp->imrl0 |= 0xFFFFFFFF; + + enable_interrupts(); + return 0; +} +#endif /* CONFIG_MCFINTC */ |