diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/mips/alchemy/mtx-1 | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/mips/alchemy/mtx-1')
-rw-r--r-- | arch/mips/alchemy/mtx-1/Makefile | 9 | ||||
-rw-r--r-- | arch/mips/alchemy/mtx-1/board_setup.c | 134 | ||||
-rw-r--r-- | arch/mips/alchemy/mtx-1/init.c | 66 | ||||
-rw-r--r-- | arch/mips/alchemy/mtx-1/platform.c | 168 |
4 files changed, 377 insertions, 0 deletions
diff --git a/arch/mips/alchemy/mtx-1/Makefile b/arch/mips/alchemy/mtx-1/Makefile new file mode 100644 index 00000000000..81b540ceaf8 --- /dev/null +++ b/arch/mips/alchemy/mtx-1/Makefile | |||
@@ -0,0 +1,9 @@ | |||
1 | # | ||
2 | # Copyright 2003 MontaVista Software Inc. | ||
3 | # Author: MontaVista Software, Inc. <source@mvista.com> | ||
4 | # Bruno Randolf <bruno.randolf@4g-systems.biz> | ||
5 | # | ||
6 | # Makefile for 4G Systems MTX-1 board. | ||
7 | # | ||
8 | |||
9 | obj-y += init.o board_setup.o platform.o | ||
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c new file mode 100644 index 00000000000..3ae984cf98c --- /dev/null +++ b/arch/mips/alchemy/mtx-1/board_setup.c | |||
@@ -0,0 +1,134 @@ | |||
1 | /* | ||
2 | * | ||
3 | * BRIEF MODULE DESCRIPTION | ||
4 | * 4G Systems MTX-1 board setup. | ||
5 | * | ||
6 | * Copyright 2003, 2008 MontaVista Software Inc. | ||
7 | * Author: MontaVista Software, Inc. <source@mvista.com> | ||
8 | * Bruno Randolf <bruno.randolf@4g-systems.biz> | ||
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 | |||
31 | #include <linux/gpio.h> | ||
32 | #include <linux/init.h> | ||
33 | #include <linux/interrupt.h> | ||
34 | #include <linux/pm.h> | ||
35 | |||
36 | #include <asm/reboot.h> | ||
37 | #include <asm/mach-au1x00/au1000.h> | ||
38 | |||
39 | #include <prom.h> | ||
40 | |||
41 | char irq_tab_alchemy[][5] __initdata = { | ||
42 | [0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */ | ||
43 | [1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ | ||
44 | [2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */ | ||
45 | [3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ | ||
46 | [4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */ | ||
47 | [5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ | ||
48 | [6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */ | ||
49 | [7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ | ||
50 | }; | ||
51 | |||
52 | extern int (*board_pci_idsel)(unsigned int devsel, int assert); | ||
53 | int mtx1_pci_idsel(unsigned int devsel, int assert); | ||
54 | |||
55 | static void mtx1_reset(char *c) | ||
56 | { | ||
57 | /* Jump to the reset vector */ | ||
58 | __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); | ||
59 | } | ||
60 | |||
61 | static void mtx1_power_off(void) | ||
62 | { | ||
63 | while (1) | ||
64 | asm volatile ( | ||
65 | " .set mips32 \n" | ||
66 | " wait \n" | ||
67 | " .set mips0 \n"); | ||
68 | } | ||
69 | |||
70 | void __init board_setup(void) | ||
71 | { | ||
72 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | ||
73 | /* Enable USB power switch */ | ||
74 | alchemy_gpio_direction_output(204, 0); | ||
75 | #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ | ||
76 | |||
77 | #ifdef CONFIG_PCI | ||
78 | #if defined(__MIPSEB__) | ||
79 | au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); | ||
80 | #else | ||
81 | au_writel(0xf, Au1500_PCI_CFG); | ||
82 | #endif | ||
83 | board_pci_idsel = mtx1_pci_idsel; | ||
84 | #endif | ||
85 | |||
86 | /* Initialize sys_pinfunc */ | ||
87 | au_writel(SYS_PF_NI2, SYS_PINFUNC); | ||
88 | |||
89 | /* Initialize GPIO */ | ||
90 | au_writel(~0, KSEG1ADDR(AU1000_SYS_PHYS_ADDR) + SYS_TRIOUTCLR); | ||
91 | alchemy_gpio_direction_output(0, 0); /* Disable M66EN (PCI 66MHz) */ | ||
92 | alchemy_gpio_direction_output(3, 1); /* Disable PCI CLKRUN# */ | ||
93 | alchemy_gpio_direction_output(1, 1); /* Enable EXT_IO3 */ | ||
94 | alchemy_gpio_direction_output(5, 0); /* Disable eth PHY TX_ER */ | ||
95 | |||
96 | /* Enable LED and set it to green */ | ||
97 | alchemy_gpio_direction_output(211, 1); /* green on */ | ||
98 | alchemy_gpio_direction_output(212, 0); /* red off */ | ||
99 | |||
100 | pm_power_off = mtx1_power_off; | ||
101 | _machine_halt = mtx1_power_off; | ||
102 | _machine_restart = mtx1_reset; | ||
103 | |||
104 | printk(KERN_INFO "4G Systems MTX-1 Board\n"); | ||
105 | } | ||
106 | |||
107 | int | ||
108 | mtx1_pci_idsel(unsigned int devsel, int assert) | ||
109 | { | ||
110 | /* This function is only necessary to support a proprietary Cardbus | ||
111 | * adapter on the mtx-1 "singleboard" variant. It triggers a custom | ||
112 | * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals. | ||
113 | */ | ||
114 | if (assert && devsel != 0) | ||
115 | /* Suppress signal to Cardbus */ | ||
116 | alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */ | ||
117 | else | ||
118 | alchemy_gpio_set_value(1, 1); /* set EXT_IO3 ON */ | ||
119 | |||
120 | udelay(1); | ||
121 | return 1; | ||
122 | } | ||
123 | |||
124 | static int __init mtx1_init_irq(void) | ||
125 | { | ||
126 | irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH); | ||
127 | irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW); | ||
128 | irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW); | ||
129 | irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW); | ||
130 | irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW); | ||
131 | |||
132 | return 0; | ||
133 | } | ||
134 | arch_initcall(mtx1_init_irq); | ||
diff --git a/arch/mips/alchemy/mtx-1/init.c b/arch/mips/alchemy/mtx-1/init.c new file mode 100644 index 00000000000..2e81cc7f342 --- /dev/null +++ b/arch/mips/alchemy/mtx-1/init.c | |||
@@ -0,0 +1,66 @@ | |||
1 | /* | ||
2 | * | ||
3 | * BRIEF MODULE DESCRIPTION | ||
4 | * 4G Systems MTX-1 board setup | ||
5 | * | ||
6 | * Copyright 2003, 2008 MontaVista Software Inc. | ||
7 | * Author: MontaVista Software, Inc. <source@mvista.com> | ||
8 | * Bruno Randolf <bruno.randolf@4g-systems.biz> | ||
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 | |||
31 | #include <linux/kernel.h> | ||
32 | #include <linux/init.h> | ||
33 | |||
34 | #include <asm/bootinfo.h> | ||
35 | #include <asm/mach-au1x00/au1000.h> | ||
36 | |||
37 | #include <prom.h> | ||
38 | |||
39 | const char *get_system_type(void) | ||
40 | { | ||
41 | return "MTX-1"; | ||
42 | } | ||
43 | |||
44 | void __init prom_init(void) | ||
45 | { | ||
46 | unsigned char *memsize_str; | ||
47 | unsigned long memsize; | ||
48 | |||
49 | prom_argc = fw_arg0; | ||
50 | prom_argv = (char **)fw_arg1; | ||
51 | prom_envp = (char **)fw_arg2; | ||
52 | |||
53 | prom_init_cmdline(); | ||
54 | |||
55 | memsize_str = prom_getenv("memsize"); | ||
56 | if (!memsize_str) | ||
57 | memsize = 0x04000000; | ||
58 | else | ||
59 | strict_strtoul(memsize_str, 0, &memsize); | ||
60 | add_memory_region(0, memsize, BOOT_MEM_RAM); | ||
61 | } | ||
62 | |||
63 | void prom_putchar(unsigned char c) | ||
64 | { | ||
65 | alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c); | ||
66 | } | ||
diff --git a/arch/mips/alchemy/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c new file mode 100644 index 00000000000..55628e390fd --- /dev/null +++ b/arch/mips/alchemy/mtx-1/platform.c | |||
@@ -0,0 +1,168 @@ | |||
1 | /* | ||
2 | * MTX-1 platform devices registration | ||
3 | * | ||
4 | * Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org> | ||
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 <linux/platform_device.h> | ||
23 | #include <linux/leds.h> | ||
24 | #include <linux/gpio.h> | ||
25 | #include <linux/gpio_keys.h> | ||
26 | #include <linux/input.h> | ||
27 | #include <linux/mtd/partitions.h> | ||
28 | #include <linux/mtd/physmap.h> | ||
29 | #include <mtd/mtd-abi.h> | ||
30 | |||
31 | #include <asm/mach-au1x00/au1xxx_eth.h> | ||
32 | |||
33 | static struct gpio_keys_button mtx1_gpio_button[] = { | ||
34 | { | ||
35 | .gpio = 207, | ||
36 | .code = BTN_0, | ||
37 | .desc = "System button", | ||
38 | } | ||
39 | }; | ||
40 | |||
41 | static struct gpio_keys_platform_data mtx1_buttons_data = { | ||
42 | .buttons = mtx1_gpio_button, | ||
43 | .nbuttons = ARRAY_SIZE(mtx1_gpio_button), | ||
44 | }; | ||
45 | |||
46 | static struct platform_device mtx1_button = { | ||
47 | .name = "gpio-keys", | ||
48 | .id = -1, | ||
49 | .dev = { | ||
50 | .platform_data = &mtx1_buttons_data, | ||
51 | } | ||
52 | }; | ||
53 | |||
54 | static struct resource mtx1_wdt_res[] = { | ||
55 | [0] = { | ||
56 | .start = 215, | ||
57 | .end = 215, | ||
58 | .name = "mtx1-wdt-gpio", | ||
59 | .flags = IORESOURCE_IRQ, | ||
60 | } | ||
61 | }; | ||
62 | |||
63 | static struct platform_device mtx1_wdt = { | ||
64 | .name = "mtx1-wdt", | ||
65 | .id = 0, | ||
66 | .num_resources = ARRAY_SIZE(mtx1_wdt_res), | ||
67 | .resource = mtx1_wdt_res, | ||
68 | }; | ||
69 | |||
70 | static struct gpio_led default_leds[] = { | ||
71 | { | ||
72 | .name = "mtx1:green", | ||
73 | .gpio = 211, | ||
74 | }, { | ||
75 | .name = "mtx1:red", | ||
76 | .gpio = 212, | ||
77 | }, | ||
78 | }; | ||
79 | |||
80 | static struct gpio_led_platform_data mtx1_led_data = { | ||
81 | .num_leds = ARRAY_SIZE(default_leds), | ||
82 | .leds = default_leds, | ||
83 | }; | ||
84 | |||
85 | static struct platform_device mtx1_gpio_leds = { | ||
86 | .name = "leds-gpio", | ||
87 | .id = -1, | ||
88 | .dev = { | ||
89 | .platform_data = &mtx1_led_data, | ||
90 | } | ||
91 | }; | ||
92 | |||
93 | static struct mtd_partition mtx1_mtd_partitions[] = { | ||
94 | { | ||
95 | .name = "filesystem", | ||
96 | .size = 0x01C00000, | ||
97 | .offset = 0, | ||
98 | }, | ||
99 | { | ||
100 | .name = "yamon", | ||
101 | .size = 0x00100000, | ||
102 | .offset = MTDPART_OFS_APPEND, | ||
103 | .mask_flags = MTD_WRITEABLE, | ||
104 | }, | ||
105 | { | ||
106 | .name = "kernel", | ||
107 | .size = 0x002c0000, | ||
108 | .offset = MTDPART_OFS_APPEND, | ||
109 | }, | ||
110 | { | ||
111 | .name = "yamon env", | ||
112 | .size = 0x00040000, | ||
113 | .offset = MTDPART_OFS_APPEND, | ||
114 | }, | ||
115 | }; | ||
116 | |||
117 | static struct physmap_flash_data mtx1_flash_data = { | ||
118 | .width = 4, | ||
119 | .nr_parts = 4, | ||
120 | .parts = mtx1_mtd_partitions, | ||
121 | }; | ||
122 | |||
123 | static struct resource mtx1_mtd_resource = { | ||
124 | .start = 0x1e000000, | ||
125 | .end = 0x1fffffff, | ||
126 | .flags = IORESOURCE_MEM, | ||
127 | }; | ||
128 | |||
129 | static struct platform_device mtx1_mtd = { | ||
130 | .name = "physmap-flash", | ||
131 | .dev = { | ||
132 | .platform_data = &mtx1_flash_data, | ||
133 | }, | ||
134 | .num_resources = 1, | ||
135 | .resource = &mtx1_mtd_resource, | ||
136 | }; | ||
137 | |||
138 | static struct __initdata platform_device * mtx1_devs[] = { | ||
139 | &mtx1_gpio_leds, | ||
140 | &mtx1_wdt, | ||
141 | &mtx1_button, | ||
142 | &mtx1_mtd, | ||
143 | }; | ||
144 | |||
145 | static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = { | ||
146 | .phy_search_highest_addr = 1, | ||
147 | .phy1_search_mac0 = 1, | ||
148 | }; | ||
149 | |||
150 | static int __init mtx1_register_devices(void) | ||
151 | { | ||
152 | int rc; | ||
153 | |||
154 | au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata); | ||
155 | |||
156 | rc = gpio_request(mtx1_gpio_button[0].gpio, | ||
157 | mtx1_gpio_button[0].desc); | ||
158 | if (rc < 0) { | ||
159 | printk(KERN_INFO "mtx1: failed to request %d\n", | ||
160 | mtx1_gpio_button[0].gpio); | ||
161 | goto out; | ||
162 | } | ||
163 | gpio_direction_input(mtx1_gpio_button[0].gpio); | ||
164 | out: | ||
165 | return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); | ||
166 | } | ||
167 | |||
168 | arch_initcall(mtx1_register_devices); | ||