Root/target/linux/lantiq/patches-2.6.39/0005-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
28--- a/arch/mips/lantiq/Makefile
29+++ b/arch/mips/lantiq/Makefile
30@@ -4,7 +4,7 @@
31 # under the terms of the GNU General Public License version 2 as published
32 # by the Free Software Foundation.
33 
34-obj-y := irq.o setup.o clk.o prom.o
35+obj-y := irq.o setup.o clk.o prom.o devices.o
36 
37 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
38 
39--- /dev/null
40+++ b/arch/mips/lantiq/devices.c
41@@ -0,0 +1,122 @@
42+/*
43+ * This program is free software; you can redistribute it and/or modify it
44+ * under the terms of the GNU General Public License version 2 as published
45+ * by the Free Software Foundation.
46+ *
47+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
48+ */
49+
50+#include <linux/init.h>
51+#include <linux/module.h>
52+#include <linux/types.h>
53+#include <linux/string.h>
54+#include <linux/kernel.h>
55+#include <linux/reboot.h>
56+#include <linux/platform_device.h>
57+#include <linux/leds.h>
58+#include <linux/etherdevice.h>
59+#include <linux/reboot.h>
60+#include <linux/time.h>
61+#include <linux/io.h>
62+#include <linux/gpio.h>
63+#include <linux/leds.h>
64+
65+#include <asm/bootinfo.h>
66+#include <asm/irq.h>
67+
68+#include <lantiq_soc.h>
69+
70+#include "devices.h"
71+
72+/* nor flash */
73+static struct resource ltq_nor_resource = {
74+ .name = "nor",
75+ .start = LTQ_FLASH_START,
76+ .end = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
77+ .flags = IORESOURCE_MEM,
78+};
79+
80+static struct platform_device ltq_nor = {
81+ .name = "ltq_nor",
82+ .resource = &ltq_nor_resource,
83+ .num_resources = 1,
84+};
85+
86+void __init ltq_register_nor(struct physmap_flash_data *data)
87+{
88+ ltq_nor.dev.platform_data = data;
89+ platform_device_register(&ltq_nor);
90+}
91+
92+/* watchdog */
93+static struct resource ltq_wdt_resource = {
94+ .name = "watchdog",
95+ .start = LTQ_WDT_BASE_ADDR,
96+ .end = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
97+ .flags = IORESOURCE_MEM,
98+};
99+
100+void __init ltq_register_wdt(void)
101+{
102+ platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
103+}
104+
105+/* asc ports */
106+static struct resource ltq_asc0_resources[] = {
107+ {
108+ .name = "asc0",
109+ .start = LTQ_ASC0_BASE_ADDR,
110+ .end = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
111+ .flags = IORESOURCE_MEM,
112+ },
113+ IRQ_RES(tx, LTQ_ASC_TIR(0)),
114+ IRQ_RES(rx, LTQ_ASC_RIR(0)),
115+ IRQ_RES(err, LTQ_ASC_EIR(0)),
116+};
117+
118+static struct resource ltq_asc1_resources[] = {
119+ {
120+ .name = "asc1",
121+ .start = LTQ_ASC1_BASE_ADDR,
122+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
123+ .flags = IORESOURCE_MEM,
124+ },
125+ IRQ_RES(tx, LTQ_ASC_TIR(1)),
126+ IRQ_RES(rx, LTQ_ASC_RIR(1)),
127+ IRQ_RES(err, LTQ_ASC_EIR(1)),
128+};
129+
130+void __init ltq_register_asc(int port)
131+{
132+ switch (port) {
133+ case 0:
134+ platform_device_register_simple("ltq_asc", 0,
135+ ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
136+ break;
137+ case 1:
138+ platform_device_register_simple("ltq_asc", 1,
139+ ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
140+ break;
141+ default:
142+ break;
143+ }
144+}
145+
146+#ifdef CONFIG_PCI
147+/* pci */
148+static struct platform_device ltq_pci = {
149+ .name = "ltq_pci",
150+ .num_resources = 0,
151+};
152+
153+void __init ltq_register_pci(struct ltq_pci_data *data)
154+{
155+ ltq_pci.dev.platform_data = data;
156+ platform_device_register(&ltq_pci);
157+}
158+#else
159+void __init ltq_register_pci(struct ltq_pci_data *data)
160+{
161+ pr_err("kernel is compiled without PCI support\n");
162+}
163+#endif
164--- /dev/null
165+++ b/arch/mips/lantiq/devices.h
166@@ -0,0 +1,23 @@
167+/*
168+ * This program is free software; you can redistribute it and/or modify it
169+ * under the terms of the GNU General Public License version 2 as published
170+ * by the Free Software Foundation.
171+ *
172+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
173+ */
174+
175+#ifndef _LTQ_DEVICES_H__
176+#define _LTQ_DEVICES_H__
177+
178+#include <lantiq_platform.h>
179+#include <linux/mtd/physmap.h>
180+
181+#define IRQ_RES(resname, irq) \
182+ {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
183+
184+extern void ltq_register_nor(struct physmap_flash_data *data);
185+extern void ltq_register_wdt(void);
186+extern void ltq_register_asc(int port);
187+extern void ltq_register_pci(struct ltq_pci_data *data);
188+
189+#endif
190--- a/arch/mips/lantiq/xway/Makefile
191+++ b/arch/mips/lantiq/xway/Makefile
192@@ -1,4 +1,4 @@
193-obj-y := pmu.o ebu.o reset.o gpio.o
194+obj-y := pmu.o ebu.o reset.o gpio.o devices.o
195 
196 obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
197 obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
198--- /dev/null
199+++ b/arch/mips/lantiq/xway/devices.c
200@@ -0,0 +1,98 @@
201+/*
202+ * This program is free software; you can redistribute it and/or modify it
203+ * under the terms of the GNU General Public License version 2 as published
204+ * by the Free Software Foundation.
205+ *
206+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
207+ */
208+
209+#include <linux/init.h>
210+#include <linux/module.h>
211+#include <linux/types.h>
212+#include <linux/string.h>
213+#include <linux/mtd/physmap.h>
214+#include <linux/kernel.h>
215+#include <linux/reboot.h>
216+#include <linux/platform_device.h>
217+#include <linux/leds.h>
218+#include <linux/etherdevice.h>
219+#include <linux/reboot.h>
220+#include <linux/time.h>
221+#include <linux/io.h>
222+#include <linux/gpio.h>
223+#include <linux/leds.h>
224+
225+#include <asm/bootinfo.h>
226+#include <asm/irq.h>
227+
228+#include <lantiq_soc.h>
229+#include <lantiq_irq.h>
230+#include <lantiq_platform.h>
231+
232+#include "devices.h"
233+
234+/* gpio */
235+static struct resource ltq_gpio_resource[] = {
236+ {
237+ .name = "gpio0",
238+ .start = LTQ_GPIO0_BASE_ADDR,
239+ .end = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
240+ .flags = IORESOURCE_MEM,
241+ }, {
242+ .name = "gpio1",
243+ .start = LTQ_GPIO1_BASE_ADDR,
244+ .end = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
245+ .flags = IORESOURCE_MEM,
246+ }, {
247+ .name = "gpio2",
248+ .start = LTQ_GPIO2_BASE_ADDR,
249+ .end = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
250+ .flags = IORESOURCE_MEM,
251+ }
252+};
253+
254+void __init ltq_register_gpio(void)
255+{
256+ platform_device_register_simple("ltq_gpio", 0,
257+ &ltq_gpio_resource[0], 1);
258+ platform_device_register_simple("ltq_gpio", 1,
259+ &ltq_gpio_resource[1], 1);
260+
261+ /* AR9 and VR9 have an extra gpio block */
262+ if (ltq_is_ar9() || ltq_is_vr9()) {
263+ platform_device_register_simple("ltq_gpio", 2,
264+ &ltq_gpio_resource[2], 1);
265+ }
266+}
267+
268+/* serial to parallel conversion */
269+static struct resource ltq_stp_resource = {
270+ .name = "stp",
271+ .start = LTQ_STP_BASE_ADDR,
272+ .end = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
273+ .flags = IORESOURCE_MEM,
274+};
275+
276+void __init ltq_register_gpio_stp(void)
277+{
278+ platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
279+}
280+
281+/* asc ports - amazon se has its own serial mapping */
282+static struct resource ltq_ase_asc_resources[] = {
283+ {
284+ .name = "asc0",
285+ .start = LTQ_ASC1_BASE_ADDR,
286+ .end = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
287+ .flags = IORESOURCE_MEM,
288+ },
289+ IRQ_RES(tx, LTQ_ASC_ASE_TIR),
290+ IRQ_RES(rx, LTQ_ASC_ASE_RIR),
291+ IRQ_RES(err, LTQ_ASC_ASE_EIR),
292+};
293+
294+void __init ltq_register_ase_asc(void)
295+{
296+ platform_device_register_simple("ltq_asc", 0,
297+ ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
298+}
299--- /dev/null
300+++ b/arch/mips/lantiq/xway/devices.h
301@@ -0,0 +1,18 @@
302+/*
303+ * This program is free software; you can redistribute it and/or modify it
304+ * under the terms of the GNU General Public License version 2 as published
305+ * by the Free Software Foundation.
306+ *
307+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
308+ */
309+
310+#ifndef _LTQ_DEVICES_XWAY_H__
311+#define _LTQ_DEVICES_XWAY_H__
312+
313+#include "../devices.h"
314+
315+extern void ltq_register_gpio(void);
316+extern void ltq_register_gpio_stp(void);
317+extern void ltq_register_ase_asc(void);
318+
319+#endif
320

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