ixp4xx: add kernel 2.6.34 preliminary support
[openwrt/staging/chunkeey.git] / target / linux / ixp4xx / patches-2.6.34 / 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 @@ -22,6 +22,7 @@ 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-$(CONFIG_MACH_TW5334) += tw5334-pci.o
25
26 obj-y += common.o
27
28 @@ -43,6 +44,7 @@ obj-$(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 +1,162 @@
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 + iounmap(f);
181 + }
182 +
183 + printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 0\n",
184 + tw5334_plat_eth[0].hwaddr);
185 + printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 1\n",
186 + tw5334_plat_eth[1].hwaddr);
187 +}
188 +
189 +#ifdef CONFIG_MACH_TW5334
190 +MACHINE_START(TW5334, "Titan Wireless TW-533-4")
191 + /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
192 + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
193 + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
194 + .map_io = ixp4xx_map_io,
195 + .init_irq = ixp4xx_init_irq,
196 + .timer = &ixp4xx_timer,
197 + .boot_params = 0x0100,
198 + .init_machine = tw5334_init,
199 +MACHINE_END
200 +#endif
201 --- /dev/null
202 +++ b/arch/arm/mach-ixp4xx/tw5334-pci.c
203 @@ -0,0 +1,69 @@
204 +/*
205 + * arch/arch/mach-ixp4xx/tw5334-pci.c
206 + *
207 + * PCI setup routines for the Titan Wireless TW-533-4
208 + *
209 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
210 + *
211 + * based on coyote-pci.c:
212 + * Copyright (C) 2002 Jungo Software Technologies.
213 + * Copyright (C) 2003 MontaVista Softwrae, Inc.
214 + *
215 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
216 + *
217 + * This program is free software; you can redistribute it and/or modify
218 + * it under the terms of the GNU General Public License version 2 as
219 + * published by the Free Software Foundation.
220 + *
221 + */
222 +
223 +#include <linux/kernel.h>
224 +#include <linux/pci.h>
225 +#include <linux/init.h>
226 +#include <linux/irq.h>
227 +
228 +#include <asm/mach-types.h>
229 +#include <mach/hardware.h>
230 +
231 +#include <asm/mach/pci.h>
232 +
233 +void __init tw5334_pci_preinit(void)
234 +{
235 + set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
236 + set_irq_type(IRQ_IXP4XX_GPIO2, IRQ_TYPE_LEVEL_LOW);
237 + set_irq_type(IRQ_IXP4XX_GPIO1, IRQ_TYPE_LEVEL_LOW);
238 + set_irq_type(IRQ_IXP4XX_GPIO0, IRQ_TYPE_LEVEL_LOW);
239 +
240 + ixp4xx_pci_preinit();
241 +}
242 +
243 +static int __init tw5334_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
244 +{
245 + if (slot == 12)
246 + return IRQ_IXP4XX_GPIO6;
247 + else if (slot == 13)
248 + return IRQ_IXP4XX_GPIO2;
249 + else if (slot == 14)
250 + return IRQ_IXP4XX_GPIO1;
251 + else if (slot == 15)
252 + return IRQ_IXP4XX_GPIO0;
253 + else return -1;
254 +}
255 +
256 +struct hw_pci tw5334_pci __initdata = {
257 + .nr_controllers = 1,
258 + .preinit = tw5334_pci_preinit,
259 + .swizzle = pci_std_swizzle,
260 + .setup = ixp4xx_setup,
261 + .scan = ixp4xx_scan_bus,
262 + .map_irq = tw5334_map_irq,
263 +};
264 +
265 +int __init tw5334_pci_init(void)
266 +{
267 + if (machine_is_tw5334())
268 + pci_common_init(&tw5334_pci);
269 + return 0;
270 +}
271 +
272 +subsys_initcall(tw5334_pci_init);
273 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
274 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
275 @@ -42,7 +42,8 @@ static __inline__ void __arch_decomp_set
276 */
277 if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
278 machine_is_gateway7001() || machine_is_wg302v2() ||
279 - machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2())
280 + machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2() ||
281 + machine_is_tw5334())
282 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
283 else
284 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;