Root/target/linux/ixp4xx/patches-3.3/120-compex_support.patch

1From 24025a2dcf1248079dd3019fac6ed955252d277f Mon Sep 17 00:00:00 2001
2From: Imre Kaloz <kaloz@openwrt.org>
3Date: Mon, 14 Jul 2008 21:56:34 +0200
4Subject: [PATCH] Add support for the Compex WP18 / NP18A boards
5
6Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
7---
8
9--- a/arch/arm/mach-ixp4xx/Kconfig
10+++ b/arch/arm/mach-ixp4xx/Kconfig
11@@ -89,6 +89,14 @@ config MACH_SIDEWINDER
12       Engineering Sidewinder board. For more information on this
13       platform, see http://www.adiengineering.com
14 
15+config MACH_COMPEXWP18
16+ bool "Compex WP18 / NP18A"
17+ select PCI
18+ help
19+ Say 'Y' here if you want your kernel to support Compex'
20+ WP18 or NP18A boards. For more information on this
21+ platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
22+
23 config ARCH_IXDP425
24     bool "IXDP425"
25     help
26--- a/arch/arm/mach-ixp4xx/Makefile
27+++ b/arch/arm/mach-ixp4xx/Makefile
28@@ -21,6 +21,7 @@ obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
29 obj-pci-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-pci.o
30 obj-pci-$(CONFIG_MACH_PRONGHORN) += pronghorn-pci.o
31 obj-pci-$(CONFIG_MACH_SIDEWINDER) += sidewinder-pci.o
32+obj-pci-$(CONFIG_MACH_COMPEXWP18) += ixdp425-pci.o
33 
34 obj-y += common.o
35 
36@@ -43,6 +44,7 @@ obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_
37 obj-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-setup.o
38 obj-$(CONFIG_MACH_PRONGHORN) += pronghorn-setup.o
39 obj-$(CONFIG_MACH_SIDEWINDER) += sidewinder-setup.o
40+obj-$(CONFIG_MACH_COMPEXWP18) += compex42x-setup.o
41 
42 obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
43 obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
44--- /dev/null
45+++ b/arch/arm/mach-ixp4xx/compex42x-setup.c
46@@ -0,0 +1,138 @@
47+/*
48+ * arch/arm/mach-ixp4xx/compex-setup.c
49+ *
50+ * Compex WP18 / NP18A board-setup
51+ *
52+ * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
53+ *
54+ * based on coyote-setup.c:
55+ * Copyright (C) 2003-2005 MontaVista Software, Inc.
56+ *
57+ * Author: Imre Kaloz <Kaloz@openwrt.org>
58+ */
59+
60+#include <linux/kernel.h>
61+#include <linux/serial.h>
62+#include <linux/serial_8250.h>
63+
64+#include <asm/mach-types.h>
65+#include <asm/mach/arch.h>
66+#include <asm/mach/flash.h>
67+
68+static struct flash_platform_data compex42x_flash_data = {
69+ .map_name = "cfi_probe",
70+ .width = 2,
71+};
72+
73+static struct resource compex42x_flash_resource = {
74+ .flags = IORESOURCE_MEM,
75+};
76+
77+static struct platform_device compex42x_flash = {
78+ .name = "IXP4XX-Flash",
79+ .id = 0,
80+ .dev = {
81+ .platform_data = &compex42x_flash_data,
82+ },
83+ .num_resources = 1,
84+ .resource = &compex42x_flash_resource,
85+};
86+
87+static struct resource compex42x_uart_resources[] = {
88+ {
89+ .start = IXP4XX_UART1_BASE_PHYS,
90+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
91+ .flags = IORESOURCE_MEM
92+ },
93+ {
94+ .start = IXP4XX_UART2_BASE_PHYS,
95+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
96+ .flags = IORESOURCE_MEM
97+ }
98+};
99+
100+static struct plat_serial8250_port compex42x_uart_data[] = {
101+ {
102+ .mapbase = IXP4XX_UART1_BASE_PHYS,
103+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
104+ .irq = IRQ_IXP4XX_UART1,
105+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
106+ .iotype = UPIO_MEM,
107+ .regshift = 2,
108+ .uartclk = IXP4XX_UART_XTAL,
109+ },
110+ {
111+ .mapbase = IXP4XX_UART2_BASE_PHYS,
112+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
113+ .irq = IRQ_IXP4XX_UART2,
114+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
115+ .iotype = UPIO_MEM,
116+ .regshift = 2,
117+ .uartclk = IXP4XX_UART_XTAL,
118+ },
119+ { },
120+};
121+
122+static struct platform_device compex42x_uart = {
123+ .name = "serial8250",
124+ .id = PLAT8250_DEV_PLATFORM,
125+ .dev.platform_data = compex42x_uart_data,
126+ .num_resources = 2,
127+ .resource = compex42x_uart_resources,
128+};
129+
130+static struct eth_plat_info compex42x_plat_eth[] = {
131+ {
132+ .phy = IXP4XX_ETH_PHY_MAX_ADDR,
133+ .phy_mask = 0xf0000,
134+ .rxq = 3,
135+ .txreadyq = 20,
136+ }, {
137+ .phy = 3,
138+ .rxq = 4,
139+ .txreadyq = 21,
140+ }
141+};
142+
143+static struct platform_device compex42x_eth[] = {
144+ {
145+ .name = "ixp4xx_eth",
146+ .id = IXP4XX_ETH_NPEB,
147+ .dev.platform_data = compex42x_plat_eth,
148+ }, {
149+ .name = "ixp4xx_eth",
150+ .id = IXP4XX_ETH_NPEC,
151+ .dev.platform_data = compex42x_plat_eth + 1,
152+ }
153+};
154+
155+static struct platform_device *compex42x_devices[] __initdata = {
156+ &compex42x_flash,
157+ &compex42x_uart,
158+ &compex42x_eth[0],
159+ &compex42x_eth[1],
160+};
161+
162+static void __init compex42x_init(void)
163+{
164+ ixp4xx_sys_init();
165+
166+ compex42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
167+ compex42x_flash_resource.end =
168+ IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
169+
170+ platform_add_devices(compex42x_devices, ARRAY_SIZE(compex42x_devices));
171+}
172+
173+MACHINE_START(COMPEXWP18, "Compex WP18 / NP18A")
174+ /* Maintainer: Imre Kaloz <Kaloz@openwrt.org> */
175+ .map_io = ixp4xx_map_io,
176+ .init_irq = ixp4xx_init_irq,
177+ .timer = &ixp4xx_timer,
178+ .atag_offset = 0x0100,
179+ .init_machine = compex42x_init,
180+#if defined(CONFIG_PCI)
181+ .dma_zone_size = SZ_64M,
182+#endif
183+ .restart = ixp4xx_restart,
184+MACHINE_END
185--- a/arch/arm/mach-ixp4xx/ixdp425-pci.c
186+++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c
187@@ -70,7 +70,8 @@ struct hw_pci ixdp425_pci __initdata = {
188 int __init ixdp425_pci_init(void)
189 {
190     if (machine_is_ixdp425() || machine_is_ixcdp1100() ||
191- machine_is_ixdp465() || machine_is_kixrp435())
192+ machine_is_ixdp465() || machine_is_kixrp435() ||
193+ machine_is_compex42x())
194         pci_common_init(&ixdp425_pci);
195     return 0;
196 }
197

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