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-rw-r--r--arch/mips/au1000/pb1100/Makefile8
-rw-r--r--arch/mips/au1000/pb1100/board_setup.c116
-rw-r--r--arch/mips/au1000/pb1100/init.c70
-rw-r--r--arch/mips/au1000/pb1100/irqmap.c57
4 files changed, 251 insertions, 0 deletions
diff --git a/arch/mips/au1000/pb1100/Makefile b/arch/mips/au1000/pb1100/Makefile
new file mode 100644
index 000000000000..996236df6375
--- /dev/null
+++ b/arch/mips/au1000/pb1100/Makefile
@@ -0,0 +1,8 @@
1#
2# Copyright 2000,2001 MontaVista Software Inc.
3# Author: MontaVista Software, Inc.
4# ppopov@mvista.com or source@mvista.com
5#
6# Makefile for the Alchemy Semiconductor Pb1100 board.
7
8lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c
new file mode 100644
index 000000000000..13c2f6ca7e33
--- /dev/null
+++ b/arch/mips/au1000/pb1100/board_setup.c
@@ -0,0 +1,116 @@
1/*
2 * Copyright 2002 MontaVista Software Inc.
3 * Author: MontaVista Software, Inc.
4 * ppopov@mvista.com or source@mvista.com
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 *
11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
14 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
16 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
17 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
18 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
19 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
20 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26#include <linux/config.h>
27#include <linux/init.h>
28#include <linux/sched.h>
29#include <linux/ioport.h>
30#include <linux/mm.h>
31#include <linux/console.h>
32#include <linux/delay.h>
33
34#include <asm/cpu.h>
35#include <asm/bootinfo.h>
36#include <asm/irq.h>
37#include <asm/mipsregs.h>
38#include <asm/reboot.h>
39#include <asm/pgtable.h>
40#include <asm/mach-au1x00/au1000.h>
41#include <asm/mach-pb1x00/pb1100.h>
42
43void board_reset (void)
44{
45 /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
46 au_writel(0x00000000, 0xAE00001C);
47}
48
49void __init board_setup(void)
50{
51 u32 pin_func;
52 u32 sys_freqctrl, sys_clksrc;
53
54 // set AUX clock to 12MHz * 8 = 96 MHz
55 au_writel(8, SYS_AUXPLL);
56 au_writel(0, SYS_PININPUTEN);
57 udelay(100);
58
59#if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
60 // configure pins GPIO[14:9] as GPIO
61 pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80);
62
63 /* zero and disable FREQ2 */
64 sys_freqctrl = au_readl(SYS_FREQCTRL0);
65 sys_freqctrl &= ~0xFFF00000;
66 au_writel(sys_freqctrl, SYS_FREQCTRL0);
67
68 /* zero and disable USBH/USBD/IrDA clock */
69 sys_clksrc = au_readl(SYS_CLKSRC);
70 sys_clksrc &= ~0x0000001F;
71 au_writel(sys_clksrc, SYS_CLKSRC);
72
73 sys_freqctrl = au_readl(SYS_FREQCTRL0);
74 sys_freqctrl &= ~0xFFF00000;
75
76 sys_clksrc = au_readl(SYS_CLKSRC);
77 sys_clksrc &= ~0x0000001F;
78
79 // FREQ2 = aux/2 = 48 MHz
80 sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
81 au_writel(sys_freqctrl, SYS_FREQCTRL0);
82
83 /*
84 * Route 48MHz FREQ2 into USBH/USBD/IrDA
85 */
86 sys_clksrc |= ((4<<2) | (0<<1) | 0 );
87 au_writel(sys_clksrc, SYS_CLKSRC);
88
89 /* setup the static bus controller */
90 au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
91 au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
92 au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
93
94 // get USB Functionality pin state (device vs host drive pins)
95 pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
96#ifndef CONFIG_AU1X00_USB_DEVICE
97 // 2nd USB port is USB host
98 pin_func |= 0x8000;
99#endif
100 au_writel(pin_func, SYS_PINFUNC);
101#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
102
103 /* Enable sys bus clock divider when IDLE state or no bus activity. */
104 au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
105
106 // Enable the RTC if not already enabled
107 if (!(readb(0xac000028) & 0x20)) {
108 writeb(readb(0xac000028) | 0x20, 0xac000028);
109 au_sync();
110 }
111 // Put the clock in BCD mode
112 if (readb(0xac00002C) & 0x4) { /* reg B */
113 writeb(readb(0xac00002c) & ~0x4, 0xac00002c);
114 au_sync();
115 }
116}
diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c
new file mode 100644
index 000000000000..1fae39a608cf
--- /dev/null
+++ b/arch/mips/au1000/pb1100/init.c
@@ -0,0 +1,70 @@
1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 * Pb1100 board setup
5 *
6 * Copyright 2002 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 * ppopov@mvista.com or source@mvista.com
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30#include <linux/init.h>
31#include <linux/mm.h>
32#include <linux/sched.h>
33#include <linux/bootmem.h>
34#include <asm/addrspace.h>
35#include <asm/bootinfo.h>
36#include <linux/string.h>
37#include <linux/kernel.h>
38
39int prom_argc;
40char **prom_argv, **prom_envp;
41extern void __init prom_init_cmdline(void);
42extern char *prom_getenv(char *envname);
43
44const char *get_system_type(void)
45{
46 return "Alchemy Pb1100";
47}
48
49void __init prom_init(void)
50{
51 unsigned char *memsize_str;
52 unsigned long memsize;
53
54 prom_argc = fw_arg0;
55 prom_argv = (char **) fw_arg1;
56 prom_envp = (int *) fw_arg3;
57
58 mips_machgroup = MACH_GROUP_ALCHEMY;
59 mips_machtype = MACH_PB1100;
60
61 prom_init_cmdline();
62
63 memsize_str = prom_getenv("memsize");
64 if (!memsize_str)
65 memsize = 0x04000000;
66 else
67 memsize = simple_strtol(memsize_str, NULL, 0);
68
69 add_memory_region(0, memsize, BOOT_MEM_RAM);
70}
diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/au1000/pb1100/irqmap.c
new file mode 100644
index 000000000000..43be7158b9ab
--- /dev/null
+++ b/arch/mips/au1000/pb1100/irqmap.c
@@ -0,0 +1,57 @@
1/*
2 * BRIEF MODULE DESCRIPTION
3 * Au1xxx irq map table
4 *
5 * Copyright 2003 Embedded Edge, LLC
6 * dan@embeddededge.com
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28#include <linux/errno.h>
29#include <linux/init.h>
30#include <linux/irq.h>
31#include <linux/kernel_stat.h>
32#include <linux/module.h>
33#include <linux/signal.h>
34#include <linux/sched.h>
35#include <linux/types.h>
36#include <linux/interrupt.h>
37#include <linux/ioport.h>
38#include <linux/timex.h>
39#include <linux/slab.h>
40#include <linux/random.h>
41#include <linux/delay.h>
42#include <linux/bitops.h>
43
44#include <asm/bootinfo.h>
45#include <asm/io.h>
46#include <asm/mipsregs.h>
47#include <asm/system.h>
48#include <asm/mach-au1x00/au1000.h>
49
50au1xxx_irq_map_t au1xxx_irq_map[] = {
51 { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted#
52 { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG#
53 { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ#
54 { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, // DC_IRQ#
55};
56
57int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 07:05:15 -0500