Root/target/linux/ixp4xx/patches-2.6.38/180-tw5334_support.patch

1--- a/arch/arm/mach-ixp4xx/Kconfig
2+++ b/arch/arm/mach-ixp4xx/Kconfig
3@@ -164,6 +164,14 @@ config ARCH_PRPMC1100
4       PrPCM1100 Processor Mezanine Module. For more information on
5       this platform, see <file:Documentation/arm/IXP4xx>.
6 
7+config MACH_TW5334
8+ bool "Titan Wireless TW-533-4"
9+ select PCI
10+ help
11+ Say 'Y' here if you want your kernel to support the Titan
12+ Wireless TW533-4. For more information on this platform,
13+ see http://openwrt.org
14+
15 config MACH_NAS100D
16     bool
17     prompt "NAS100D"
18--- a/arch/arm/mach-ixp4xx/Makefile
19+++ b/arch/arm/mach-ixp4xx/Makefile
20@@ -23,6 +23,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER) += sid
21 obj-pci-$(CONFIG_MACH_COMPEX) += ixdp425-pci.o
22 obj-pci-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-pci.o
23 obj-pci-$(CONFIG_MACH_AP1000) += ixdp425-pci.o
24+obj-pci-$(CONFIG_MACH_TW5334) += tw5334-pci.o
25 
26 obj-y += common.o
27 
28@@ -45,6 +46,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
29 obj-$(CONFIG_MACH_COMPEX) += compex-setup.o
30 obj-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-setup.o
31 obj-$(CONFIG_MACH_AP1000) += ap1000-setup.o
32+obj-$(CONFIG_MACH_TW5334) += tw5334-setup.o
33 
34 obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
35 obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
36--- /dev/null
37+++ b/arch/arm/mach-ixp4xx/tw5334-setup.c
38@@ -0,0 +1,161 @@
39+/*
40+ * arch/arm/mach-ixp4xx/tw5334-setup.c
41+ *
42+ * Board setup for the Titan Wireless TW-533-4
43+ *
44+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
45+ *
46+ * based on coyote-setup.c:
47+ * Copyright (C) 2003-2005 MontaVista Software, Inc.
48+ *
49+ * Author: Imre Kaloz <Kaloz@openwrt.org>
50+ */
51+
52+#include <linux/if_ether.h>
53+#include <linux/kernel.h>
54+#include <linux/init.h>
55+#include <linux/device.h>
56+#include <linux/serial.h>
57+#include <linux/tty.h>
58+#include <linux/serial_8250.h>
59+#include <linux/slab.h>
60+
61+#include <asm/types.h>
62+#include <asm/setup.h>
63+#include <asm/memory.h>
64+#include <mach/hardware.h>
65+#include <asm/irq.h>
66+#include <asm/mach-types.h>
67+#include <asm/mach/arch.h>
68+#include <asm/mach/flash.h>
69+
70+static struct flash_platform_data tw5334_flash_data = {
71+ .map_name = "cfi_probe",
72+ .width = 2,
73+};
74+
75+static struct resource tw5334_flash_resource = {
76+ .flags = IORESOURCE_MEM,
77+};
78+
79+static struct platform_device tw5334_flash = {
80+ .name = "IXP4XX-Flash",
81+ .id = 0,
82+ .dev = {
83+ .platform_data = &tw5334_flash_data,
84+ },
85+ .num_resources = 1,
86+ .resource = &tw5334_flash_resource,
87+};
88+
89+static struct resource tw5334_uart_resource = {
90+ .start = IXP4XX_UART2_BASE_PHYS,
91+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
92+ .flags = IORESOURCE_MEM,
93+};
94+
95+static struct plat_serial8250_port tw5334_uart_data[] = {
96+ {
97+ .mapbase = IXP4XX_UART2_BASE_PHYS,
98+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
99+ .irq = IRQ_IXP4XX_UART2,
100+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
101+ .iotype = UPIO_MEM,
102+ .regshift = 2,
103+ .uartclk = IXP4XX_UART_XTAL,
104+ },
105+ { },
106+};
107+
108+static struct platform_device tw5334_uart = {
109+ .name = "serial8250",
110+ .id = PLAT8250_DEV_PLATFORM,
111+ .dev = {
112+ .platform_data = tw5334_uart_data,
113+ },
114+ .num_resources = 1,
115+ .resource = &tw5334_uart_resource,
116+};
117+
118+/* Built-in 10/100 Ethernet MAC interfaces */
119+static struct eth_plat_info tw5334_plat_eth[] = {
120+ {
121+ .phy = 0,
122+ .rxq = 3,
123+ .txreadyq = 20,
124+ }, {
125+ .phy = 1,
126+ .rxq = 4,
127+ .txreadyq = 21,
128+ }
129+};
130+
131+static struct platform_device tw5334_eth[] = {
132+ {
133+ .name = "ixp4xx_eth",
134+ .id = IXP4XX_ETH_NPEB,
135+ .dev.platform_data = tw5334_plat_eth,
136+ }, {
137+ .name = "ixp4xx_eth",
138+ .id = IXP4XX_ETH_NPEC,
139+ .dev.platform_data = tw5334_plat_eth + 1,
140+ }
141+};
142+
143+static struct platform_device *tw5334_devices[] __initdata = {
144+ &tw5334_flash,
145+ &tw5334_uart,
146+ &tw5334_eth[0],
147+ &tw5334_eth[1],
148+};
149+
150+static void __init tw5334_init(void)
151+{
152+ uint8_t __iomem *f;
153+ int i;
154+
155+ ixp4xx_sys_init();
156+
157+ tw5334_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
158+ tw5334_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
159+
160+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
161+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
162+
163+ platform_add_devices(tw5334_devices, ARRAY_SIZE(tw5334_devices));
164+
165+ /*
166+ * Map in a portion of the flash and read the MAC addresses.
167+ * Since it is stored in BE in the flash itself, we need to
168+ * byteswap it if we're in LE mode.
169+ */
170+ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000);
171+ if (f) {
172+ for (i = 0; i < 6; i++) {
173+#ifdef __ARMEB__
174+ tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + i);
175+ tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + i);
176+#else
177+ tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + (i^3));
178+ tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + (i^3));
179+#endif
180+ }
181+ iounmap(f);
182+ }
183+
184+ printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 0\n",
185+ tw5334_plat_eth[0].hwaddr);
186+ printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 1\n",
187+ tw5334_plat_eth[1].hwaddr);
188+}
189+
190+#ifdef CONFIG_MACH_TW5334
191+MACHINE_START(TW5334, "Titan Wireless TW-533-4")
192+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
193+ .map_io = ixp4xx_map_io,
194+ .init_irq = ixp4xx_init_irq,
195+ .timer = &ixp4xx_timer,
196+ .boot_params = 0x0100,
197+ .init_machine = tw5334_init,
198+MACHINE_END
199+#endif
200--- /dev/null
201+++ b/arch/arm/mach-ixp4xx/tw5334-pci.c
202@@ -0,0 +1,69 @@
203+/*
204+ * arch/arch/mach-ixp4xx/tw5334-pci.c
205+ *
206+ * PCI setup routines for the Titan Wireless TW-533-4
207+ *
208+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
209+ *
210+ * based on coyote-pci.c:
211+ * Copyright (C) 2002 Jungo Software Technologies.
212+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
213+ *
214+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
215+ *
216+ * This program is free software; you can redistribute it and/or modify
217+ * it under the terms of the GNU General Public License version 2 as
218+ * published by the Free Software Foundation.
219+ *
220+ */
221+
222+#include <linux/kernel.h>
223+#include <linux/pci.h>
224+#include <linux/init.h>
225+#include <linux/irq.h>
226+
227+#include <asm/mach-types.h>
228+#include <mach/hardware.h>
229+
230+#include <asm/mach/pci.h>
231+
232+void __init tw5334_pci_preinit(void)
233+{
234+ set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
235+ set_irq_type(IRQ_IXP4XX_GPIO2, IRQ_TYPE_LEVEL_LOW);
236+ set_irq_type(IRQ_IXP4XX_GPIO1, IRQ_TYPE_LEVEL_LOW);
237+ set_irq_type(IRQ_IXP4XX_GPIO0, IRQ_TYPE_LEVEL_LOW);
238+
239+ ixp4xx_pci_preinit();
240+}
241+
242+static int __init tw5334_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
243+{
244+ if (slot == 12)
245+ return IRQ_IXP4XX_GPIO6;
246+ else if (slot == 13)
247+ return IRQ_IXP4XX_GPIO2;
248+ else if (slot == 14)
249+ return IRQ_IXP4XX_GPIO1;
250+ else if (slot == 15)
251+ return IRQ_IXP4XX_GPIO0;
252+ else return -1;
253+}
254+
255+struct hw_pci tw5334_pci __initdata = {
256+ .nr_controllers = 1,
257+ .preinit = tw5334_pci_preinit,
258+ .swizzle = pci_std_swizzle,
259+ .setup = ixp4xx_setup,
260+ .scan = ixp4xx_scan_bus,
261+ .map_irq = tw5334_map_irq,
262+};
263+
264+int __init tw5334_pci_init(void)
265+{
266+ if (machine_is_tw5334())
267+ pci_common_init(&tw5334_pci);
268+ return 0;
269+}
270+
271+subsys_initcall(tw5334_pci_init);
272--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
273+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
274@@ -42,7 +42,8 @@ static __inline__ void __arch_decomp_set
275      */
276     if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
277              machine_is_gateway7001() || machine_is_wg302v2() ||
278- machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2())
279+ machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2() ||
280+ machine_is_tw5334())
281         uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
282     else
283         uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
284

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