Root/target/linux/lantiq/patches-2.6.32/0005-MIPS-Lantiq-Add-platform-device-support.patch

1From 09e57348261c1ae0ff89c68679126fc76a28b2a2 Mon Sep 17 00:00:00 2001
2From: John Crispin <blogic@openwrt.org>
3Date: Wed, 30 Mar 2011 09:27:53 +0200
4Subject: [PATCH 05/13] MIPS: Lantiq: Add platform device support
5
6This patch adds the wrappers for registering our platform devices.
7
8Signed-off-by: John Crispin <blogic@openwrt.org>
9Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com>
10Cc: linux-mips@linux-mips.org
11Patchwork: https://patchwork.linux-mips.org/patch/2254/
12Patchwork: https://patchwork.linux-mips.org/patch/2360/
13Patchwork: https://patchwork.linux-mips.org/patch/2359/
14Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15---
16 arch/mips/lantiq/Makefile | 2 +-
17 arch/mips/lantiq/devices.c | 122 +++++++++++++++++++++++++++++++++++++++
18 arch/mips/lantiq/devices.h | 23 +++++++
19 arch/mips/lantiq/xway/Makefile | 2 +-
20 arch/mips/lantiq/xway/devices.c | 98 +++++++++++++++++++++++++++++++
21 arch/mips/lantiq/xway/devices.h | 18 ++++++
22 6 files changed, 263 insertions(+), 2 deletions(-)
23 create mode 100644 arch/mips/lantiq/devices.c
24 create mode 100644 arch/mips/lantiq/devices.h
25 create mode 100644 arch/mips/lantiq/xway/devices.c
26 create mode 100644 arch/mips/lantiq/xway/devices.h
27
28diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile
29index a268391..e5dae0e 100644
30--- a/arch/mips/lantiq/Makefile
31+++ b/arch/mips/lantiq/Makefile
32@@ -4,7 +4,7 @@
33 # under the terms of the GNU General Public License version 2 as published
34 # by the Free Software Foundation.
35 
36-obj-y := irq.o setup.o clk.o prom.o
37+obj-y := irq.o setup.o clk.o prom.o devices.o
38 
39 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
40 
41diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
42new file mode 100644
43index 0000000..7b82c34
44--- /dev/null
45+++ b/arch/mips/lantiq/devices.c
46@@ -0,0 +1,122 @@
47+/*
48+ * This program is free software; you can redistribute it and/or modify it
49+ * under the terms of the GNU General Public License version 2 as published
50+ * by the Free Software Foundation.
51+ *
52+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
53+ */
54+
55+#include <linux/init.h>
56+#include <linux/module.h>
57+#include <linux/types.h>
58+#include <linux/string.h>
59+#include <linux/kernel.h>
60+#include <linux/reboot.h>
61+#include <linux/platform_device.h>
62+#include <linux/leds.h>
63+#include <linux/etherdevice.h>
64+#include <linux/reboot.h>
65+#include <linux/time.h>
66+#include <linux/io.h>
67+#include <linux/gpio.h>
68+#include <linux/leds.h>
69+
70+#include <asm/bootinfo.h>
71+#include <asm/irq.h>
72+
73+#include <lantiq_soc.h>
74+
75+#include "devices.h"
76+
77+/* nor flash */
78+static struct resource ltq_nor_resource = {
79+ .name = "nor",
80+ .start = LTQ_FLASH_START,
81+ .end = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
82+ .flags = IORESOURCE_MEM,
83+};
84+
85+static struct platform_device ltq_nor = {
86+ .name = "ltq_nor",
87+ .resource = &ltq_nor_resource,
88+ .num_resources = 1,
89+};
90+
91+void __init ltq_register_nor(struct physmap_flash_data *data)
92+{
93+ ltq_nor.dev.platform_data = data;
94+ platform_device_register(&ltq_nor);
95+}
96+
97+/* watchdog */
98+static struct resource ltq_wdt_resource = {
99+ .name = "watchdog",
100+ .start = LTQ_WDT_BASE_ADDR,
101+ .end = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
102+ .flags = IORESOURCE_MEM,
103+};
104+
105+void __init ltq_register_wdt(void)
106+{
107+ platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
108+}
109+
110+/* asc ports */
111+static struct resource ltq_asc0_resources[] = {
112+ {
113+ .name = "asc0",
114+ .start = LTQ_ASC0_BASE_ADDR,
115+ .end = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
116+ .flags = IORESOURCE_MEM,
117+ },
118+ IRQ_RES(tx, LTQ_ASC_TIR(0)),
119+ IRQ_RES(rx, LTQ_ASC_RIR(0)),
120+ IRQ_RES(err, LTQ_ASC_EIR(0)),
121+};
122+
123+static struct resource ltq_asc1_resources[] = {
124+ {
125+ .name = "asc1",
126+ .start = LTQ_ASC1_BASE_ADDR,
127+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
128+ .flags = IORESOURCE_MEM,
129+ },
130+ IRQ_RES(tx, LTQ_ASC_TIR(1)),
131+ IRQ_RES(rx, LTQ_ASC_RIR(1)),
132+ IRQ_RES(err, LTQ_ASC_EIR(1)),
133+};
134+
135+void __init ltq_register_asc(int port)
136+{
137+ switch (port) {
138+ case 0:
139+ platform_device_register_simple("ltq_asc", 0,
140+ ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
141+ break;
142+ case 1:
143+ platform_device_register_simple("ltq_asc", 1,
144+ ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
145+ break;
146+ default:
147+ break;
148+ }
149+}
150+
151+#ifdef CONFIG_PCI
152+/* pci */
153+static struct platform_device ltq_pci = {
154+ .name = "ltq_pci",
155+ .num_resources = 0,
156+};
157+
158+void __init ltq_register_pci(struct ltq_pci_data *data)
159+{
160+ ltq_pci.dev.platform_data = data;
161+ platform_device_register(&ltq_pci);
162+}
163+#else
164+void __init ltq_register_pci(struct ltq_pci_data *data)
165+{
166+ pr_err("kernel is compiled without PCI support\n");
167+}
168+#endif
169diff --git a/arch/mips/lantiq/devices.h b/arch/mips/lantiq/devices.h
170new file mode 100644
171index 0000000..2947bb1
172--- /dev/null
173+++ b/arch/mips/lantiq/devices.h
174@@ -0,0 +1,23 @@
175+/*
176+ * This program is free software; you can redistribute it and/or modify it
177+ * under the terms of the GNU General Public License version 2 as published
178+ * by the Free Software Foundation.
179+ *
180+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
181+ */
182+
183+#ifndef _LTQ_DEVICES_H__
184+#define _LTQ_DEVICES_H__
185+
186+#include <lantiq_platform.h>
187+#include <linux/mtd/physmap.h>
188+
189+#define IRQ_RES(resname, irq) \
190+ {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
191+
192+extern void ltq_register_nor(struct physmap_flash_data *data);
193+extern void ltq_register_wdt(void);
194+extern void ltq_register_asc(int port);
195+extern void ltq_register_pci(struct ltq_pci_data *data);
196+
197+#endif
198diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
199index 9c85ff9..74ce438 100644
200--- a/arch/mips/lantiq/xway/Makefile
201+++ b/arch/mips/lantiq/xway/Makefile
202@@ -1,4 +1,4 @@
203-obj-y := pmu.o ebu.o reset.o gpio.o
204+obj-y := pmu.o ebu.o reset.o gpio.o devices.o
205 
206 obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
207 obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
208diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
209new file mode 100644
210index 0000000..a71b3b5
211--- /dev/null
212+++ b/arch/mips/lantiq/xway/devices.c
213@@ -0,0 +1,98 @@
214+/*
215+ * This program is free software; you can redistribute it and/or modify it
216+ * under the terms of the GNU General Public License version 2 as published
217+ * by the Free Software Foundation.
218+ *
219+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
220+ */
221+
222+#include <linux/init.h>
223+#include <linux/module.h>
224+#include <linux/types.h>
225+#include <linux/string.h>
226+#include <linux/mtd/physmap.h>
227+#include <linux/kernel.h>
228+#include <linux/reboot.h>
229+#include <linux/platform_device.h>
230+#include <linux/leds.h>
231+#include <linux/etherdevice.h>
232+#include <linux/reboot.h>
233+#include <linux/time.h>
234+#include <linux/io.h>
235+#include <linux/gpio.h>
236+#include <linux/leds.h>
237+
238+#include <asm/bootinfo.h>
239+#include <asm/irq.h>
240+
241+#include <lantiq_soc.h>
242+#include <lantiq_irq.h>
243+#include <lantiq_platform.h>
244+
245+#include "devices.h"
246+
247+/* gpio */
248+static struct resource ltq_gpio_resource[] = {
249+ {
250+ .name = "gpio0",
251+ .start = LTQ_GPIO0_BASE_ADDR,
252+ .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
253+ .flags = IORESOURCE_MEM,
254+ }, {
255+ .name = "gpio1",
256+ .start = LTQ_GPIO1_BASE_ADDR,
257+ .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
258+ .flags = IORESOURCE_MEM,
259+ }, {
260+ .name = "gpio2",
261+ .start = LTQ_GPIO2_BASE_ADDR,
262+ .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
263+ .flags = IORESOURCE_MEM,
264+ }
265+};
266+
267+void __init ltq_register_gpio(void)
268+{
269+ platform_device_register_simple("ltq_gpio", 0,
270+ &ltq_gpio_resource[0], 1);
271+ platform_device_register_simple("ltq_gpio", 1,
272+ &ltq_gpio_resource[1], 1);
273+
274+ /* AR9 and VR9 have an extra gpio block */
275+ if (ltq_is_ar9() || ltq_is_vr9()) {
276+ platform_device_register_simple("ltq_gpio", 2,
277+ &ltq_gpio_resource[2], 1);
278+ }
279+}
280+
281+/* serial to parallel conversion */
282+static struct resource ltq_stp_resource = {
283+ .name = "stp",
284+ .start = LTQ_STP_BASE_ADDR,
285+ .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
286+ .flags = IORESOURCE_MEM,
287+};
288+
289+void __init ltq_register_gpio_stp(void)
290+{
291+ platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
292+}
293+
294+/* asc ports - amazon se has its own serial mapping */
295+static struct resource ltq_ase_asc_resources[] = {
296+ {
297+ .name = "asc0",
298+ .start = LTQ_ASC1_BASE_ADDR,
299+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
300+ .flags = IORESOURCE_MEM,
301+ },
302+ IRQ_RES(tx, LTQ_ASC_ASE_TIR),
303+ IRQ_RES(rx, LTQ_ASC_ASE_RIR),
304+ IRQ_RES(err, LTQ_ASC_ASE_EIR),
305+};
306+
307+void __init ltq_register_ase_asc(void)
308+{
309+ platform_device_register_simple("ltq_asc", 0,
310+ ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
311+}
312diff --git a/arch/mips/lantiq/xway/devices.h b/arch/mips/lantiq/xway/devices.h
313new file mode 100644
314index 0000000..51f56b5
315--- /dev/null
316+++ b/arch/mips/lantiq/xway/devices.h
317@@ -0,0 +1,18 @@
318+/*
319+ * This program is free software; you can redistribute it and/or modify it
320+ * under the terms of the GNU General Public License version 2 as published
321+ * by the Free Software Foundation.
322+ *
323+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
324+ */
325+
326+#ifndef _LTQ_DEVICES_XWAY_H__
327+#define _LTQ_DEVICES_XWAY_H__
328+
329+#include "../devices.h"
330+
331+extern void ltq_register_gpio(void);
332+extern void ltq_register_gpio_stp(void);
333+extern void ltq_register_ase_asc(void);
334+
335+#endif
336--
3371.7.2.3
338
339

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