Root/target/linux/ixp4xx/patches-3.3/530-ap42x_support.patch

1--- /dev/null
2+++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
3@@ -0,0 +1,64 @@
4+/*
5+ * arch/arch/mach-ixp4xx/ap42x-pci.c
6+ *
7+ * PCI setup routines for Tonze AP-422/425
8+ *
9+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
10+ *
11+ * based on coyote-pci.c:
12+ * Copyright (C) 2002 Jungo Software Technologies.
13+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
14+ *
15+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
16+ *
17+ * This program is free software; you can redistribute it and/or modify
18+ * it under the terms of the GNU General Public License version 2 as
19+ * published by the Free Software Foundation.
20+ *
21+ */
22+
23+#include <linux/kernel.h>
24+#include <linux/pci.h>
25+#include <linux/init.h>
26+#include <linux/irq.h>
27+
28+#include <asm/mach-types.h>
29+#include <mach/hardware.h>
30+
31+#include <asm/mach/pci.h>
32+
33+void __init ap42x_pci_preinit(void)
34+{
35+ irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
36+ irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
37+
38+ ixp4xx_pci_preinit();
39+}
40+
41+static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
42+ u8 pin)
43+{
44+ if (slot == 1)
45+ return IRQ_IXP4XX_GPIO11;
46+ else if (slot == 2)
47+ return IRQ_IXP4XX_GPIO10;
48+ else return -1;
49+}
50+
51+struct hw_pci ap42x_pci __initdata = {
52+ .nr_controllers = 1,
53+ .preinit = ap42x_pci_preinit,
54+ .swizzle = pci_std_swizzle,
55+ .setup = ixp4xx_setup,
56+ .scan = ixp4xx_scan_bus,
57+ .map_irq = ap42x_map_irq,
58+};
59+
60+int __init ap42x_pci_init(void)
61+{
62+ if (machine_is_ap42x())
63+ pci_common_init(&ap42x_pci);
64+ return 0;
65+}
66+
67+subsys_initcall(ap42x_pci_init);
68--- /dev/null
69+++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
70@@ -0,0 +1,163 @@
71+/*
72+ * arch/arm/mach-ixp4xx/ap42x-setup.c
73+ *
74+ * Board setup for the Tonze AP-42x boards
75+ *
76+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
77+ *
78+ * based on coyote-setup.c:
79+ * Copyright (C) 2003-2005 MontaVista Software, Inc.
80+ *
81+ * Author: Imre Kaloz <Kaloz@openwrt.org>
82+ */
83+
84+#include <linux/kernel.h>
85+#include <linux/init.h>
86+#include <linux/device.h>
87+#include <linux/serial.h>
88+#include <linux/tty.h>
89+#include <linux/serial_8250.h>
90+#include <linux/mtd/physmap.h>
91+
92+#include <asm/types.h>
93+#include <asm/setup.h>
94+#include <asm/memory.h>
95+#include <mach/hardware.h>
96+#include <asm/irq.h>
97+#include <asm/mach-types.h>
98+#include <asm/mach/arch.h>
99+#include <asm/mach/flash.h>
100+
101+static struct mtd_partition ap42x_flash_partitions[] = {
102+ {
103+ .name = "RedBoot",
104+ .offset = 0x00000000,
105+ .size = 0x00080000,
106+ }, {
107+ .name = "linux",
108+ .offset = 0x00080000,
109+ .size = 0x00100000,
110+ }, {
111+ .name = "rootfs",
112+ .offset = 0x00180000,
113+ .size = 0x00660000,
114+ }, {
115+ .name = "FIS directory",
116+ .offset = 0x007f8000,
117+ .size = 0x00007000,
118+ }, {
119+ .name = "RedBoot config",
120+ .offset = 0x007ff000,
121+ .size = 0x00001000,
122+ },
123+};
124+
125+static struct physmap_flash_data ap42x_flash_data = {
126+ .width = 2,
127+ .parts = ap42x_flash_partitions,
128+ .nr_parts = ARRAY_SIZE(ap42x_flash_partitions),
129+};
130+
131+static struct resource ap42x_flash_resource = {
132+ .flags = IORESOURCE_MEM,
133+ .start = IXP4XX_EXP_BUS_BASE_PHYS,
134+ .end = IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
135+};
136+
137+static struct platform_device ap42x_flash = {
138+ .name = "physmap-flash",
139+ .id = 0,
140+ .dev = {
141+ .platform_data = &ap42x_flash_data,
142+ },
143+ .num_resources = 1,
144+ .resource = &ap42x_flash_resource,
145+};
146+
147+static struct resource ap42x_uart_resource = {
148+ .start = IXP4XX_UART2_BASE_PHYS,
149+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
150+ .flags = IORESOURCE_MEM,
151+};
152+
153+static struct plat_serial8250_port ap42x_uart_data[] = {
154+ {
155+ .mapbase = IXP4XX_UART2_BASE_PHYS,
156+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
157+ .irq = IRQ_IXP4XX_UART2,
158+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
159+ .iotype = UPIO_MEM,
160+ .regshift = 2,
161+ .uartclk = IXP4XX_UART_XTAL,
162+ },
163+ { },
164+};
165+
166+static struct platform_device ap42x_uart = {
167+ .name = "serial8250",
168+ .id = PLAT8250_DEV_PLATFORM,
169+ .dev = {
170+ .platform_data = ap42x_uart_data,
171+ },
172+ .num_resources = 1,
173+ .resource = &ap42x_uart_resource,
174+};
175+
176+static struct eth_plat_info ap42x_plat_eth[] = {
177+ {
178+ .phy = 2,
179+ .rxq = 3,
180+ .txreadyq = 20,
181+ }, {
182+ .phy = 1,
183+ .rxq = 4,
184+ .txreadyq = 21,
185+ }
186+};
187+
188+static struct platform_device ap42x_eth[] = {
189+ {
190+ .name = "ixp4xx_eth",
191+ .id = IXP4XX_ETH_NPEB,
192+ .dev.platform_data = ap42x_plat_eth,
193+ }, {
194+ .name = "ixp4xx_eth",
195+ .id = IXP4XX_ETH_NPEC,
196+ .dev.platform_data = ap42x_plat_eth + 1,
197+ }
198+};
199+
200+static struct platform_device *ap42x_devices[] __initdata = {
201+ &ap42x_flash,
202+ &ap42x_uart,
203+ &ap42x_eth[0],
204+ &ap42x_eth[1],
205+};
206+
207+static void __init ap42x_init(void)
208+{
209+ ixp4xx_sys_init();
210+
211+ ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
212+ ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
213+
214+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
215+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
216+
217+ platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
218+}
219+
220+#ifdef CONFIG_MACH_AP42X
221+MACHINE_START(AP42X, "Tonze AP-422/425")
222+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
223+ .map_io = ixp4xx_map_io,
224+ .init_irq = ixp4xx_init_irq,
225+ .timer = &ixp4xx_timer,
226+ .atag_offset = 0x100,
227+ .init_machine = ap42x_init,
228+#if defined(CONFIG_PCI)
229+ .dma_zone_size = SZ_64M,
230+#endif
231+ .restart = ixp4xx_restart,
232+MACHINE_END
233+#endif
234--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
235+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
236@@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
237         machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
238         machine_is_pronghorn() || machine_is_pronghorn_metro() ||
239         machine_is_wrt300nv2() || machine_is_tw5334() ||
240- machine_is_usr8200() || machine_is_tw2662())
241+ machine_is_usr8200() || machine_is_tw2662() ||
242+ machine_is_ap42x())
243         uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
244     else
245         uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
246--- a/arch/arm/mach-ixp4xx/Kconfig
247+++ b/arch/arm/mach-ixp4xx/Kconfig
248@@ -8,6 +8,14 @@ menu "Intel IXP4xx Implementation Option
249 
250 comment "IXP4xx Platforms"
251 
252+config MACH_AP42X
253+ bool "Tonze AP-422/425"
254+ select PCI
255+ help
256+ Say 'Y' here if you want your kernel to support Tonze's
257+ AP-422/425 boards. For more information on this platform,
258+ see http://tonze.com.tw
259+
260 config MACH_NSLU2
261     bool
262     prompt "Linksys NSLU2"
263--- a/arch/arm/mach-ixp4xx/Makefile
264+++ b/arch/arm/mach-ixp4xx/Makefile
265@@ -5,6 +5,7 @@
266 obj-pci-y :=
267 obj-pci-n :=
268 
269+obj-pci-$(CONFIG_MACH_AP42X) += ap42x-pci.o
270 obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
271 obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o
272 obj-pci-$(CONFIG_MACH_CAMBRIA) += cambria-pci.o
273@@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200) += usr82
274 
275 obj-y += common.o
276 
277+obj-$(CONFIG_MACH_AP42X) += ap42x-setup.o
278 obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-setup.o
279 obj-$(CONFIG_MACH_AVILA) += avila-setup.o
280 obj-$(CONFIG_MACH_CAMBRIA) += cambria-setup.o
281

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