aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/alchemy/pb1100
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/alchemy/pb1100')
-rw-r--r--arch/mips/alchemy/pb1100/Makefile8
-rw-r--r--arch/mips/alchemy/pb1100/board_setup.c109
-rw-r--r--arch/mips/alchemy/pb1100/init.c60
-rw-r--r--arch/mips/alchemy/pb1100/irqmap.c40
4 files changed, 217 insertions, 0 deletions
diff --git a/arch/mips/alchemy/pb1100/Makefile b/arch/mips/alchemy/pb1100/Makefile
new file mode 100644
index 000000000000..793e97c49e46
--- /dev/null
+++ b/arch/mips/alchemy/pb1100/Makefile
@@ -0,0 +1,8 @@
1#
2# Copyright 2000, 2001, 2008 MontaVista Software Inc.
3# Author: MontaVista Software, Inc. <source@mvista.com>
4#
5# Makefile for the Alchemy Semiconductor Pb1100 board.
6#
7
8lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/alchemy/pb1100/board_setup.c b/arch/mips/alchemy/pb1100/board_setup.c
new file mode 100644
index 000000000000..c0bfd59a7a36
--- /dev/null
+++ b/arch/mips/alchemy/pb1100/board_setup.c
@@ -0,0 +1,109 @@
1/*
2 * Copyright 2002, 2008 MontaVista Software Inc.
3 * Author: MontaVista Software, Inc. <source@mvista.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
11 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
13 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
14 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
15 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
16 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
17 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
18 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
19 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26#include <linux/init.h>
27#include <linux/delay.h>
28
29#include <asm/mach-au1x00/au1000.h>
30#include <asm/mach-pb1x00/pb1100.h>
31
32void board_reset(void)
33{
34 /* Hit BCSR.RST_VDDI[SOFT_RESET] */
35 au_writel(0x00000000, PB1100_RST_VDDI);
36}
37
38void __init board_setup(void)
39{
40 volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
41
42 /* Set AUX clock to 12 MHz * 8 = 96 MHz */
43 au_writel(8, SYS_AUXPLL);
44 au_writel(0, SYS_PININPUTEN);
45 udelay(100);
46
47#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
48 {
49 u32 pin_func, sys_freqctrl, sys_clksrc;
50
51 /* Configure pins GPIO[14:9] as GPIO */
52 pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
53
54 /* Zero and disable FREQ2 */
55 sys_freqctrl = au_readl(SYS_FREQCTRL0);
56 sys_freqctrl &= ~0xFFF00000;
57 au_writel(sys_freqctrl, SYS_FREQCTRL0);
58
59 /* Zero and disable USBH/USBD/IrDA clock */
60 sys_clksrc = au_readl(SYS_CLKSRC);
61 sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
62 au_writel(sys_clksrc, SYS_CLKSRC);
63
64 sys_freqctrl = au_readl(SYS_FREQCTRL0);
65 sys_freqctrl &= ~0xFFF00000;
66
67 sys_clksrc = au_readl(SYS_CLKSRC);
68 sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
69
70 /* FREQ2 = aux / 2 = 48 MHz */
71 sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
72 SYS_FC_FE2 | SYS_FC_FS2;
73 au_writel(sys_freqctrl, SYS_FREQCTRL0);
74
75 /*
76 * Route 48 MHz FREQ2 into USBH/USBD/IrDA
77 */
78 sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT;
79 au_writel(sys_clksrc, SYS_CLKSRC);
80
81 /* Setup the static bus controller */
82 au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */
83 au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
84 au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
85
86 /*
87 * Get USB Functionality pin state (device vs host drive pins).
88 */
89 pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
90 /* 2nd USB port is USB host. */
91 pin_func |= SYS_PF_USB;
92 au_writel(pin_func, SYS_PINFUNC);
93 }
94#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
95
96 /* Enable sys bus clock divider when IDLE state or no bus activity. */
97 au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
98
99 /* Enable the RTC if not already enabled. */
100 if (!(readb(base + 0x28) & 0x20)) {
101 writeb(readb(base + 0x28) | 0x20, base + 0x28);
102 au_sync();
103 }
104 /* Put the clock in BCD mode. */
105 if (readb(base + 0x2C) & 0x4) { /* reg B */
106 writeb(readb(base + 0x2c) & ~0x4, base + 0x2c);
107 au_sync();
108 }
109}
diff --git a/arch/mips/alchemy/pb1100/init.c b/arch/mips/alchemy/pb1100/init.c
new file mode 100644
index 000000000000..7c6792308bc5
--- /dev/null
+++ b/arch/mips/alchemy/pb1100/init.c
@@ -0,0 +1,60 @@
1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 * Pb1100 board setup
5 *
6 * Copyright 2002, 2008 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc. <source@mvista.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29
30#include <linux/init.h>
31#include <linux/kernel.h>
32
33#include <asm/bootinfo.h>
34
35#include <prom.h>
36
37const char *get_system_type(void)
38{
39 return "Alchemy Pb1100";
40}
41
42void __init prom_init(void)
43{
44 unsigned char *memsize_str;
45 unsigned long memsize;
46
47 prom_argc = fw_arg0;
48 prom_argv = (char **)fw_arg1;
49 prom_envp = (char **)fw_arg3;
50
51 prom_init_cmdline();
52
53 memsize_str = prom_getenv("memsize");
54 if (!memsize_str)
55 memsize = 0x04000000;
56 else
57 strict_strtol(memsize_str, 0, &memsize);
58
59 add_memory_region(0, memsize, BOOT_MEM_RAM);
60}
diff --git a/arch/mips/alchemy/pb1100/irqmap.c b/arch/mips/alchemy/pb1100/irqmap.c
new file mode 100644
index 000000000000..9b7dd8b41283
--- /dev/null
+++ b/arch/mips/alchemy/pb1100/irqmap.c
@@ -0,0 +1,40 @@
1/*
2 * BRIEF MODULE DESCRIPTION
3 * Au1xx0 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
29#include <linux/init.h>
30
31#include <asm/mach-au1x00/au1000.h>
32
33struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
34 { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */
35 { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */
36 { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */
37 { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */
38};
39
40int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-17 22:13:01 -0500