530-ap42x_support.patch 6.8 KB

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  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 <[email protected]>
  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 <[email protected]>
  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 <[email protected]>
  77. + *
  78. + * based on coyote-setup.c:
  79. + * Copyright (C) 2003-2005 MontaVista Software, Inc.
  80. + *
  81. + * Author: Imre Kaloz <[email protected]>
  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 <[email protected]> */
  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. comment "IXP4xx Platforms"
  250. +config MACH_AP42X
  251. + bool "Tonze AP-422/425"
  252. + select PCI
  253. + help
  254. + Say 'Y' here if you want your kernel to support Tonze's
  255. + AP-422/425 boards. For more information on this platform,
  256. + see http://tonze.com.tw
  257. +
  258. config MACH_NSLU2
  259. bool
  260. prompt "Linksys NSLU2"
  261. --- a/arch/arm/mach-ixp4xx/Makefile
  262. +++ b/arch/arm/mach-ixp4xx/Makefile
  263. @@ -5,6 +5,7 @@
  264. obj-pci-y :=
  265. obj-pci-n :=
  266. +obj-pci-$(CONFIG_MACH_AP42X) += ap42x-pci.o
  267. obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
  268. obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o
  269. obj-pci-$(CONFIG_MACH_CAMBRIA) += cambria-pci.o
  270. @@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200) += usr82
  271. obj-y += common.o
  272. +obj-$(CONFIG_MACH_AP42X) += ap42x-setup.o
  273. obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-setup.o
  274. obj-$(CONFIG_MACH_AVILA) += avila-setup.o
  275. obj-$(CONFIG_MACH_CAMBRIA) += cambria-setup.o