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authorJohn Crispin <blogic@openwrt.org>2011-03-30 03:27:53 -0400
committerRalf Baechle <ralf@linux-mips.org>2011-05-19 04:55:42 -0400
commit24aff71fa8df0d6a73dab17f3f2285a24b8f658f (patch)
tree09478aa08ac393279c7830a2d1134385ac19bf52 /arch/mips
parent3c5447390c3e1a462913e327a016a55cae501580 (diff)
MIPS: Lantiq: Add platform device support
This patch adds the wrappers for registering our platform devices. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2254/ Patchwork: https://patchwork.linux-mips.org/patch/2360/ Patchwork: https://patchwork.linux-mips.org/patch/2359/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/lantiq/Makefile2
-rw-r--r--arch/mips/lantiq/devices.c122
-rw-r--r--arch/mips/lantiq/devices.h23
-rw-r--r--arch/mips/lantiq/xway/Makefile2
-rw-r--r--arch/mips/lantiq/xway/devices.c98
-rw-r--r--arch/mips/lantiq/xway/devices.h18
6 files changed, 263 insertions, 2 deletions
diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile
index a268391eb45e..e5dae0e24b00 100644
--- a/arch/mips/lantiq/Makefile
+++ b/arch/mips/lantiq/Makefile
@@ -4,7 +4,7 @@
4# under the terms of the GNU General Public License version 2 as published 4# under the terms of the GNU General Public License version 2 as published
5# by the Free Software Foundation. 5# by the Free Software Foundation.
6 6
7obj-y := irq.o setup.o clk.o prom.o 7obj-y := irq.o setup.o clk.o prom.o devices.o
8 8
9obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 9obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
10 10
diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
new file mode 100644
index 000000000000..7b82c34cb169
--- /dev/null
+++ b/arch/mips/lantiq/devices.c
@@ -0,0 +1,122 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9#include <linux/init.h>
10#include <linux/module.h>
11#include <linux/types.h>
12#include <linux/string.h>
13#include <linux/kernel.h>
14#include <linux/reboot.h>
15#include <linux/platform_device.h>
16#include <linux/leds.h>
17#include <linux/etherdevice.h>
18#include <linux/reboot.h>
19#include <linux/time.h>
20#include <linux/io.h>
21#include <linux/gpio.h>
22#include <linux/leds.h>
23
24#include <asm/bootinfo.h>
25#include <asm/irq.h>
26
27#include <lantiq_soc.h>
28
29#include "devices.h"
30
31/* nor flash */
32static struct resource ltq_nor_resource = {
33 .name = "nor",
34 .start = LTQ_FLASH_START,
35 .end = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
36 .flags = IORESOURCE_MEM,
37};
38
39static struct platform_device ltq_nor = {
40 .name = "ltq_nor",
41 .resource = &ltq_nor_resource,
42 .num_resources = 1,
43};
44
45void __init ltq_register_nor(struct physmap_flash_data *data)
46{
47 ltq_nor.dev.platform_data = data;
48 platform_device_register(&ltq_nor);
49}
50
51/* watchdog */
52static struct resource ltq_wdt_resource = {
53 .name = "watchdog",
54 .start = LTQ_WDT_BASE_ADDR,
55 .end = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
56 .flags = IORESOURCE_MEM,
57};
58
59void __init ltq_register_wdt(void)
60{
61 platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
62}
63
64/* asc ports */
65static struct resource ltq_asc0_resources[] = {
66 {
67 .name = "asc0",
68 .start = LTQ_ASC0_BASE_ADDR,
69 .end = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
70 .flags = IORESOURCE_MEM,
71 },
72 IRQ_RES(tx, LTQ_ASC_TIR(0)),
73 IRQ_RES(rx, LTQ_ASC_RIR(0)),
74 IRQ_RES(err, LTQ_ASC_EIR(0)),
75};
76
77static struct resource ltq_asc1_resources[] = {
78 {
79 .name = "asc1",
80 .start = LTQ_ASC1_BASE_ADDR,
81 .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
82 .flags = IORESOURCE_MEM,
83 },
84 IRQ_RES(tx, LTQ_ASC_TIR(1)),
85 IRQ_RES(rx, LTQ_ASC_RIR(1)),
86 IRQ_RES(err, LTQ_ASC_EIR(1)),
87};
88
89void __init ltq_register_asc(int port)
90{
91 switch (port) {
92 case 0:
93 platform_device_register_simple("ltq_asc", 0,
94 ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
95 break;
96 case 1:
97 platform_device_register_simple("ltq_asc", 1,
98 ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
99 break;
100 default:
101 break;
102 }
103}
104
105#ifdef CONFIG_PCI
106/* pci */
107static struct platform_device ltq_pci = {
108 .name = "ltq_pci",
109 .num_resources = 0,
110};
111
112void __init ltq_register_pci(struct ltq_pci_data *data)
113{
114 ltq_pci.dev.platform_data = data;
115 platform_device_register(&ltq_pci);
116}
117#else
118void __init ltq_register_pci(struct ltq_pci_data *data)
119{
120 pr_err("kernel is compiled without PCI support\n");
121}
122#endif
diff --git a/arch/mips/lantiq/devices.h b/arch/mips/lantiq/devices.h
new file mode 100644
index 000000000000..2947bb19a528
--- /dev/null
+++ b/arch/mips/lantiq/devices.h
@@ -0,0 +1,23 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9#ifndef _LTQ_DEVICES_H__
10#define _LTQ_DEVICES_H__
11
12#include <lantiq_platform.h>
13#include <linux/mtd/physmap.h>
14
15#define IRQ_RES(resname, irq) \
16 {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
17
18extern void ltq_register_nor(struct physmap_flash_data *data);
19extern void ltq_register_wdt(void);
20extern void ltq_register_asc(int port);
21extern void ltq_register_pci(struct ltq_pci_data *data);
22
23#endif
diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
index 9c85ff9184c6..74ce438ad8e7 100644
--- a/arch/mips/lantiq/xway/Makefile
+++ b/arch/mips/lantiq/xway/Makefile
@@ -1,4 +1,4 @@
1obj-y := pmu.o ebu.o reset.o gpio.o 1obj-y := pmu.o ebu.o reset.o gpio.o devices.o
2 2
3obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o 3obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
4obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o 4obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
new file mode 100644
index 000000000000..a71b3b532a01
--- /dev/null
+++ b/arch/mips/lantiq/xway/devices.c
@@ -0,0 +1,98 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9#include <linux/init.h>
10#include <linux/module.h>
11#include <linux/types.h>
12#include <linux/string.h>
13#include <linux/mtd/physmap.h>
14#include <linux/kernel.h>
15#include <linux/reboot.h>
16#include <linux/platform_device.h>
17#include <linux/leds.h>
18#include <linux/etherdevice.h>
19#include <linux/reboot.h>
20#include <linux/time.h>
21#include <linux/io.h>
22#include <linux/gpio.h>
23#include <linux/leds.h>
24
25#include <asm/bootinfo.h>
26#include <asm/irq.h>
27
28#include <lantiq_soc.h>
29#include <lantiq_irq.h>
30#include <lantiq_platform.h>
31
32#include "devices.h"
33
34/* gpio */
35static struct resource ltq_gpio_resource[] = {
36 {
37 .name = "gpio0",
38 .start = LTQ_GPIO0_BASE_ADDR,
39 .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
40 .flags = IORESOURCE_MEM,
41 }, {
42 .name = "gpio1",
43 .start = LTQ_GPIO1_BASE_ADDR,
44 .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
45 .flags = IORESOURCE_MEM,
46 }, {
47 .name = "gpio2",
48 .start = LTQ_GPIO2_BASE_ADDR,
49 .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
50 .flags = IORESOURCE_MEM,
51 }
52};
53
54void __init ltq_register_gpio(void)
55{
56 platform_device_register_simple("ltq_gpio", 0,
57 &ltq_gpio_resource[0], 1);
58 platform_device_register_simple("ltq_gpio", 1,
59 &ltq_gpio_resource[1], 1);
60
61 /* AR9 and VR9 have an extra gpio block */
62 if (ltq_is_ar9() || ltq_is_vr9()) {
63 platform_device_register_simple("ltq_gpio", 2,
64 &ltq_gpio_resource[2], 1);
65 }
66}
67
68/* serial to parallel conversion */
69static struct resource ltq_stp_resource = {
70 .name = "stp",
71 .start = LTQ_STP_BASE_ADDR,
72 .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
73 .flags = IORESOURCE_MEM,
74};
75
76void __init ltq_register_gpio_stp(void)
77{
78 platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
79}
80
81/* asc ports - amazon se has its own serial mapping */
82static struct resource ltq_ase_asc_resources[] = {
83 {
84 .name = "asc0",
85 .start = LTQ_ASC1_BASE_ADDR,
86 .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
87 .flags = IORESOURCE_MEM,
88 },
89 IRQ_RES(tx, LTQ_ASC_ASE_TIR),
90 IRQ_RES(rx, LTQ_ASC_ASE_RIR),
91 IRQ_RES(err, LTQ_ASC_ASE_EIR),
92};
93
94void __init ltq_register_ase_asc(void)
95{
96 platform_device_register_simple("ltq_asc", 0,
97 ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
98}
diff --git a/arch/mips/lantiq/xway/devices.h b/arch/mips/lantiq/xway/devices.h
new file mode 100644
index 000000000000..51f56b5a9fbd
--- /dev/null
+++ b/arch/mips/lantiq/xway/devices.h
@@ -0,0 +1,18 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9#ifndef _LTQ_DEVICES_XWAY_H__
10#define _LTQ_DEVICES_XWAY_H__
11
12#include "../devices.h"
13
14extern void ltq_register_gpio(void);
15extern void ltq_register_gpio_stp(void);
16extern void ltq_register_ase_asc(void);
17
18#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-24 23:24:24 -0500