diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1500')
-rw-r--r-- | arch/mips/alchemy/devboards/pb1500/Makefile | 8 | ||||
-rw-r--r-- | arch/mips/alchemy/devboards/pb1500/board_setup.c | 148 | ||||
-rw-r--r-- | arch/mips/alchemy/devboards/pb1500/platform.c | 49 |
3 files changed, 205 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/pb1500/Makefile b/arch/mips/alchemy/devboards/pb1500/Makefile new file mode 100644 index 00000000000..e83b151b5b6 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1500/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 Pb1500 board. | ||
6 | # | ||
7 | |||
8 | obj-y := board_setup.o platform.o | ||
diff --git a/arch/mips/alchemy/devboards/pb1500/board_setup.c b/arch/mips/alchemy/devboards/pb1500/board_setup.c new file mode 100644 index 00000000000..3b4fa320696 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1500/board_setup.c | |||
@@ -0,0 +1,148 @@ | |||
1 | /* | ||
2 | * Copyright 2000, 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/delay.h> | ||
27 | #include <linux/gpio.h> | ||
28 | #include <linux/init.h> | ||
29 | #include <linux/interrupt.h> | ||
30 | |||
31 | #include <asm/mach-au1x00/au1000.h> | ||
32 | #include <asm/mach-db1x00/bcsr.h> | ||
33 | |||
34 | #include <prom.h> | ||
35 | |||
36 | |||
37 | char irq_tab_alchemy[][5] __initdata = { | ||
38 | [12] = { -1, AU1500_PCI_INTA, 0xff, 0xff, 0xff }, /* IDSEL 12 - HPT370 */ | ||
39 | [13] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, AU1500_PCI_INTC, AU1500_PCI_INTD }, /* IDSEL 13 - PCI slot */ | ||
40 | }; | ||
41 | |||
42 | |||
43 | const char *get_system_type(void) | ||
44 | { | ||
45 | return "Alchemy Pb1500"; | ||
46 | } | ||
47 | |||
48 | void __init board_setup(void) | ||
49 | { | ||
50 | u32 pin_func; | ||
51 | u32 sys_freqctrl, sys_clksrc; | ||
52 | |||
53 | bcsr_init(DB1000_BCSR_PHYS_ADDR, | ||
54 | DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS); | ||
55 | |||
56 | sys_clksrc = sys_freqctrl = pin_func = 0; | ||
57 | /* Set AUX clock to 12 MHz * 8 = 96 MHz */ | ||
58 | au_writel(8, SYS_AUXPLL); | ||
59 | alchemy_gpio1_input_enable(); | ||
60 | udelay(100); | ||
61 | |||
62 | /* GPIO201 is input for PCMCIA card detect */ | ||
63 | /* GPIO203 is input for PCMCIA interrupt request */ | ||
64 | alchemy_gpio_direction_input(201); | ||
65 | alchemy_gpio_direction_input(203); | ||
66 | |||
67 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | ||
68 | |||
69 | /* Zero and disable FREQ2 */ | ||
70 | sys_freqctrl = au_readl(SYS_FREQCTRL0); | ||
71 | sys_freqctrl &= ~0xFFF00000; | ||
72 | au_writel(sys_freqctrl, SYS_FREQCTRL0); | ||
73 | |||
74 | /* zero and disable USBH/USBD clocks */ | ||
75 | sys_clksrc = au_readl(SYS_CLKSRC); | ||
76 | sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | | ||
77 | SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); | ||
78 | au_writel(sys_clksrc, SYS_CLKSRC); | ||
79 | |||
80 | sys_freqctrl = au_readl(SYS_FREQCTRL0); | ||
81 | sys_freqctrl &= ~0xFFF00000; | ||
82 | |||
83 | sys_clksrc = au_readl(SYS_CLKSRC); | ||
84 | sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | | ||
85 | SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); | ||
86 | |||
87 | /* FREQ2 = aux/2 = 48 MHz */ | ||
88 | sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2; | ||
89 | au_writel(sys_freqctrl, SYS_FREQCTRL0); | ||
90 | |||
91 | /* | ||
92 | * Route 48MHz FREQ2 into USB Host and/or Device | ||
93 | */ | ||
94 | sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; | ||
95 | au_writel(sys_clksrc, SYS_CLKSRC); | ||
96 | |||
97 | pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; | ||
98 | /* 2nd USB port is USB host */ | ||
99 | pin_func |= SYS_PF_USB; | ||
100 | au_writel(pin_func, SYS_PINFUNC); | ||
101 | #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ | ||
102 | |||
103 | #ifdef CONFIG_PCI | ||
104 | /* Setup PCI bus controller */ | ||
105 | au_writel(0, Au1500_PCI_CMEM); | ||
106 | au_writel(0x00003fff, Au1500_CFG_BASE); | ||
107 | #if defined(__MIPSEB__) | ||
108 | au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); | ||
109 | #else | ||
110 | au_writel(0xf, Au1500_PCI_CFG); | ||
111 | #endif | ||
112 | au_writel(0xf0000000, Au1500_PCI_MWMASK_DEV); | ||
113 | au_writel(0, Au1500_PCI_MWBASE_REV_CCL); | ||
114 | au_writel(0x02a00356, Au1500_PCI_STATCMD); | ||
115 | au_writel(0x00003c04, Au1500_PCI_HDRTYPE); | ||
116 | au_writel(0x00000008, Au1500_PCI_MBAR); | ||
117 | au_sync(); | ||
118 | #endif | ||
119 | |||
120 | /* Enable sys bus clock divider when IDLE state or no bus activity. */ | ||
121 | au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); | ||
122 | |||
123 | /* Enable the RTC if not already enabled */ | ||
124 | if (!(au_readl(0xac000028) & 0x20)) { | ||
125 | printk(KERN_INFO "enabling clock ...\n"); | ||
126 | au_writel((au_readl(0xac000028) | 0x20), 0xac000028); | ||
127 | } | ||
128 | /* Put the clock in BCD mode */ | ||
129 | if (au_readl(0xac00002c) & 0x4) { /* reg B */ | ||
130 | au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c); | ||
131 | au_sync(); | ||
132 | } | ||
133 | } | ||
134 | |||
135 | static int __init pb1500_init_irq(void) | ||
136 | { | ||
137 | irq_set_irq_type(AU1500_GPIO9_INT, IRQF_TRIGGER_LOW); /* CD0# */ | ||
138 | irq_set_irq_type(AU1500_GPIO10_INT, IRQF_TRIGGER_LOW); /* CARD0 */ | ||
139 | irq_set_irq_type(AU1500_GPIO11_INT, IRQF_TRIGGER_LOW); /* STSCHG0# */ | ||
140 | irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH); | ||
141 | irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW); | ||
142 | irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW); | ||
143 | irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW); | ||
144 | irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW); | ||
145 | |||
146 | return 0; | ||
147 | } | ||
148 | arch_initcall(pb1500_init_irq); | ||
diff --git a/arch/mips/alchemy/devboards/pb1500/platform.c b/arch/mips/alchemy/devboards/pb1500/platform.c new file mode 100644 index 00000000000..d443bc7aa76 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1500/platform.c | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * Pb1500 board platform device registration | ||
3 | * | ||
4 | * Copyright (C) 2009 Manuel Lauss | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | #include <linux/init.h> | ||
22 | #include <asm/mach-au1x00/au1000.h> | ||
23 | #include <asm/mach-db1x00/bcsr.h> | ||
24 | |||
25 | #include "../platform.h" | ||
26 | |||
27 | static int __init pb1500_dev_init(void) | ||
28 | { | ||
29 | int swapped; | ||
30 | |||
31 | /* PCMCIA. single socket, identical to Pb1500 */ | ||
32 | db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR, | ||
33 | PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, | ||
34 | PCMCIA_MEM_PHYS_ADDR, | ||
35 | PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, | ||
36 | PCMCIA_IO_PHYS_ADDR, | ||
37 | PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, | ||
38 | AU1500_GPIO11_INT, /* card */ | ||
39 | AU1500_GPIO9_INT, /* insert */ | ||
40 | /*AU1500_GPIO10_INT*/0, /* stschg */ | ||
41 | 0, /* eject */ | ||
42 | 0); /* id */ | ||
43 | |||
44 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT; | ||
45 | db1x_register_norflash(64 * 1024 * 1024, 4, swapped); | ||
46 | |||
47 | return 0; | ||
48 | } | ||
49 | device_initcall(pb1500_dev_init); | ||