projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * | |
| 3 | * BRIEF MODULE DESCRIPTION | |
| 4 | * 4G Systems MTX-1 board setup. | |
| 5 | * | |
| 6 | * Copyright 2003 MontaVista Software Inc. | |
| 7 | * Author: MontaVista Software, Inc. | |
| 8 | * ppopov@mvista.com or source@mvista.com | |
| 9 | * Bruno Randolf <bruno.randolf@4g-systems.biz> | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify it | |
| 12 | * under the terms of the GNU General Public License as published by the | |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 14 | * option) any later version. | |
| 15 | * | |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | |
| 19 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
| 22 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
| 23 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 | * | |
| 27 | * You should have received a copy of the GNU General Public License along | |
| 28 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 29 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 30 | */ | |
| 1da177e4 LT |
31 | #include <linux/init.h> |
| 32 | #include <linux/sched.h> | |
| 33 | #include <linux/ioport.h> | |
| 34 | #include <linux/mm.h> | |
| 35 | #include <linux/console.h> | |
| 36 | #include <linux/delay.h> | |
| 37 | ||
| 38 | #include <asm/cpu.h> | |
| 39 | #include <asm/bootinfo.h> | |
| 40 | #include <asm/irq.h> | |
| 41 | #include <asm/mipsregs.h> | |
| 42 | #include <asm/reboot.h> | |
| 43 | #include <asm/pgtable.h> | |
| 44 | #include <asm/mach-au1x00/au1000.h> | |
| 45 | ||
| 46 | void board_reset (void) | |
| 47 | { | |
| 48 | /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ | |
| 49 | au_writel(0x00000000, 0xAE00001C); | |
| 50 | } | |
| 51 | ||
| 52 | void __init board_setup(void) | |
| 53 | { | |
| 54 | #if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE) | |
| 55 | #ifdef CONFIG_AU1X00_USB_DEVICE | |
| 56 | // 2nd USB port is USB device | |
| 57 | au_writel(au_readl(SYS_PINFUNC) & (u32)(~0x8000), SYS_PINFUNC); | |
| 58 | #endif | |
| 59 | // enable USB power switch | |
| 60 | au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR ); | |
| 61 | au_writel( 0x100000, GPIO2_OUTPUT ); | |
| 62 | #endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE) | |
| 63 | ||
| 64 | #ifdef CONFIG_PCI | |
| 65 | #if defined(__MIPSEB__) | |
| 66 | au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); | |
| 67 | #else | |
| 68 | au_writel(0xf, Au1500_PCI_CFG); | |
| 69 | #endif | |
| 70 | #endif | |
| 71 | ||
| 72 | // initialize sys_pinfunc: | |
| 73 | // disable second ethernet port (SYS_PF_NI2) | |
| 74 | // set U3/GPIO23 to GPIO23 (SYS_PF_U3) | |
| 75 | au_writel( SYS_PF_NI2 | SYS_PF_U3, SYS_PINFUNC ); | |
| 76 | ||
| 77 | // initialize GPIO | |
| 78 | au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR ); | |
| 79 | au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF | |
| 80 | au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF | |
| 81 | au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF | |
| 82 | ||
| 83 | // enable LED and set it to green | |
| 84 | au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR ); | |
| 85 | au_writel( 0x18000800, GPIO2_OUTPUT ); | |
| 86 | ||
| 87 | printk("4G Systems MTX-1 Board\n"); | |
| 88 | } |