diff options
Diffstat (limited to 'arch/mips/au1000/mtx-1/board_setup.c')
| -rw-r--r-- | arch/mips/au1000/mtx-1/board_setup.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c new file mode 100644 index 00000000000..638de7bb43f --- /dev/null +++ b/arch/mips/au1000/mtx-1/board_setup.c @@ -0,0 +1,89 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * 4G Systems MTX-1 board setup. + * + * Copyright 2003 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ppopov@mvista.com or source@mvista.com + * Bruno Randolf <bruno.randolf@4g-systems.biz> + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/console.h> +#include <linux/delay.h> + +#include <asm/cpu.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/mipsregs.h> +#include <asm/reboot.h> +#include <asm/pgtable.h> +#include <asm/mach-au1x00/au1000.h> + +void board_reset (void) +{ + /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ + au_writel(0x00000000, 0xAE00001C); +} + +void __init board_setup(void) +{ +#if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE) +#ifdef CONFIG_AU1X00_USB_DEVICE + // 2nd USB port is USB device + au_writel(au_readl(SYS_PINFUNC) & (u32)(~0x8000), SYS_PINFUNC); +#endif + // enable USB power switch + au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR ); + au_writel( 0x100000, GPIO2_OUTPUT ); +#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE) + +#ifdef CONFIG_PCI +#if defined(__MIPSEB__) + au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); +#else + au_writel(0xf, Au1500_PCI_CFG); +#endif +#endif + + // initialize sys_pinfunc: + // disable second ethernet port (SYS_PF_NI2) + // set U3/GPIO23 to GPIO23 (SYS_PF_U3) + au_writel( SYS_PF_NI2 | SYS_PF_U3, SYS_PINFUNC ); + + // initialize GPIO + au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR ); + au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF + au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF + au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF + + // enable LED and set it to green + au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR ); + au_writel( 0x18000800, GPIO2_OUTPUT ); + + printk("4G Systems MTX-1 Board\n"); +} |