diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/Kconfig | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 14 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/warp-nand.c | 105 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/warp.c | 153 |
5 files changed, 275 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9ae800d81f8..5e1083829d8 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -480,7 +480,7 @@ config MCA config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || PPC_PS3 + || PPC_PS3 || 44x default y if !40x && !CPM2 && !8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index c3e4e8c3c46..c062c4cbbed 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -54,6 +54,19 @@ config RAINIER help This option enables support for the AMCC PPC440GRX evaluation board. +config WARP + bool "PIKA Warp" + depends on 44x + default n + select 440EP + help + This option enables support for the PIKA Warp(tm) Appliance. The Warp + is a small computer replacement with up to 9 ports of FXO/FXS plus VOIP + stations and trunks. + + See http://www.pikatechnologies.com/ and follow the "PIKA for Computer + Telephony Developers" link for more information. + #config LUAN # bool "Luan" # depends on 44x @@ -76,6 +89,7 @@ config 440EP select PPC_FPU select IBM440EP_ERR42 select IBM_NEW_EMAC_ZMII + select USB_ARCH_HAS_OHCI config 440EPX bool diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile index a2a0dc13e9e..0864d4f1cbc 100644 --- a/arch/powerpc/platforms/44x/Makefile +++ b/arch/powerpc/platforms/44x/Makefile @@ -5,3 +5,5 @@ obj-$(CONFIG_BAMBOO) += bamboo.o obj-$(CONFIG_SEQUOIA) += sequoia.o obj-$(CONFIG_KATMAI) += katmai.o obj-$(CONFIG_RAINIER) += rainier.o +obj-$(CONFIG_WARP) += warp.o +obj-$(CONFIG_WARP) += warp-nand.o diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c new file mode 100644 index 00000000000..84ab78ff8c0 --- /dev/null +++ b/arch/powerpc/platforms/44x/warp-nand.c @@ -0,0 +1,105 @@ +/* + * PIKA Warp(tm) NAND flash specific routines + * + * Copyright (c) 2008 PIKA Technologies + * Sean MacLennan <smaclennan@pikatech.com> + */ + +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/ndfc.h> + +#ifdef CONFIG_MTD_NAND_NDFC + +#define CS_NAND_0 1 /* use chip select 1 for NAND device 0 */ + +#define WARP_NAND_FLASH_REG_ADDR 0xD0000000UL +#define WARP_NAND_FLASH_REG_SIZE 0x2000 + +static struct resource warp_ndfc = { + .start = WARP_NAND_FLASH_REG_ADDR, + .end = WARP_NAND_FLASH_REG_ADDR + WARP_NAND_FLASH_REG_SIZE, + .flags = IORESOURCE_MEM, +}; + +static struct mtd_partition nand_parts[] = { + { + .name = "kernel", + .offset = 0, + .size = 0x0200000 + }, + { + .name = "root", + .offset = 0x0200000, + .size = 0x3400000 + }, + { + .name = "user", + .offset = 0x3600000, + .size = 0x0A00000 + }, +}; + +struct ndfc_controller_settings warp_ndfc_settings = { + .ccr_settings = (NDFC_CCR_BS(CS_NAND_0) | NDFC_CCR_ARAC1), + .ndfc_erpn = 0, +}; + +static struct ndfc_chip_settings warp_chip0_settings = { + .bank_settings = 0x80002222, +}; + +struct platform_nand_ctrl warp_nand_ctrl = { + .priv = &warp_ndfc_settings, +}; + +static struct platform_device warp_ndfc_device = { + .name = "ndfc-nand", + .id = 0, + .dev = { + .platform_data = &warp_nand_ctrl, + }, + .num_resources = 1, + .resource = &warp_ndfc, +}; + +static struct nand_ecclayout nand_oob_16 = { + .eccbytes = 3, + .eccpos = { 0, 1, 2, 3, 6, 7 }, + .oobfree = { {.offset = 8, .length = 16} } +}; + +static struct platform_nand_chip warp_nand_chip0 = { + .nr_chips = 1, + .chip_offset = CS_NAND_0, + .nr_partitions = ARRAY_SIZE(nand_parts), + .partitions = nand_parts, + .chip_delay = 50, + .ecclayout = &nand_oob_16, + .priv = &warp_chip0_settings, +}; + +static struct platform_device warp_nand_device = { + .name = "ndfc-chip", + .id = 0, + .num_resources = 1, + .resource = &warp_ndfc, + .dev = { + .platform_data = &warp_nand_chip0, + .parent = &warp_ndfc_device.dev, + } +}; + +static int warp_setup_nand_flash(void) +{ + platform_device_register(&warp_ndfc_device); + platform_device_register(&warp_nand_device); + + return 0; +} +device_initcall(warp_setup_nand_flash); + +#endif diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c new file mode 100644 index 00000000000..8f01563dbd2 --- /dev/null +++ b/arch/powerpc/platforms/44x/warp.c @@ -0,0 +1,153 @@ +/* + * PIKA Warp(tm) board specific routines + * + * Copyright (c) 2008 PIKA Technologies + * Sean MacLennan <smaclennan@pikatech.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/init.h> +#include <linux/of_platform.h> +#include <linux/kthread.h> + +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> + +#include "44x.h" + + +static __initdata struct of_device_id warp_of_bus[] = { + { .compatible = "ibm,plb4", }, + { .compatible = "ibm,opb", }, + { .compatible = "ibm,ebc", }, + {}, +}; + +static int __init warp_device_probe(void) +{ + of_platform_bus_probe(NULL, warp_of_bus, NULL); + return 0; +} +machine_device_initcall(warp, warp_device_probe); + +static int __init warp_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "pika,warp"); +} + +define_machine(warp) { + .name = "Warp", + .probe = warp_probe, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc44x_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; + + +#define LED_GREEN (0x80000000 >> 0) +#define LED_RED (0x80000000 >> 1) + + +/* This is for the power LEDs 1 = on, 0 = off, -1 = leave alone */ +void warp_set_power_leds(int green, int red) +{ + static void __iomem *gpio_base = NULL; + unsigned leds; + + if (gpio_base == NULL) { + struct device_node *np; + + /* Power LEDS are on the second GPIO controller */ + np = of_find_compatible_node(NULL, NULL, "ibm,gpio-440EP"); + if (np) + np = of_find_compatible_node(np, NULL, "ibm,gpio-440EP"); + if (np == NULL) { + printk(KERN_ERR __FILE__ ": Unable to find gpio\n"); + return; + } + + gpio_base = of_iomap(np, 0); + of_node_put(np); + if (gpio_base == NULL) { + printk(KERN_ERR __FILE__ ": Unable to map gpio"); + return; + } + } + + leds = in_be32(gpio_base); + + switch (green) { + case 0: leds &= ~LED_GREEN; break; + case 1: leds |= LED_GREEN; break; + } + switch (red) { + case 0: leds &= ~LED_RED; break; + case 1: leds |= LED_RED; break; + } + + out_be32(gpio_base, leds); +} +EXPORT_SYMBOL(warp_set_power_leds); + + +#ifdef CONFIG_SENSORS_AD7414 +static int pika_dtm_thread(void __iomem *fpga) +{ + extern int ad7414_get_temp(int index); + + while (!kthread_should_stop()) { + int temp = ad7414_get_temp(0); + + out_be32(fpga, temp); + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + + return 0; +} + +static int __init pika_dtm_start(void) +{ + struct task_struct *dtm_thread; + struct device_node *np; + struct resource res; + void __iomem *fpga; + + np = of_find_compatible_node(NULL, NULL, "pika,fpga"); + if (np == NULL) + return -ENOENT; + + /* We do not call of_iomap here since it would map in the entire + * fpga space, which is over 8k. + */ + if (of_address_to_resource(np, 0, &res)) { + of_node_put(np); + return -ENOENT; + } + of_node_put(np); + + fpga = ioremap(res.start + 0x20, 4); + if (fpga == NULL) + return -ENOENT; + + dtm_thread = kthread_run(pika_dtm_thread, fpga + 0x20, "pika-dtm"); + if (IS_ERR(dtm_thread)) { + iounmap(fpga); + return PTR_ERR(dtm_thread); + } + + return 0; +} +device_initcall(pika_dtm_start); +#endif |