diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-ixp4xx/Kconfig | 8 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/nas100d-pci.c | 77 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/nas100d-power.c | 69 | ||||
-rw-r--r-- | arch/arm/mach-ixp4xx/nas100d-setup.c | 133 |
5 files changed, 288 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig index 385285851cb5..daadc78e271b 100644 --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig | |||
@@ -71,6 +71,14 @@ config ARCH_PRPMC1100 | |||
71 | PrPCM1100 Processor Mezanine Module. For more information on | 71 | PrPCM1100 Processor Mezanine Module. For more information on |
72 | this platform, see <file:Documentation/arm/IXP4xx>. | 72 | this platform, see <file:Documentation/arm/IXP4xx>. |
73 | 73 | ||
74 | config MACH_NAS100D | ||
75 | bool | ||
76 | prompt "NAS100D" | ||
77 | help | ||
78 | Say 'Y' here if you want your kernel to support Iomega's | ||
79 | NAS 100d device. For more information on this platform, | ||
80 | see http://www.nslu2-linux.org/wiki/NAS100d/HomePage | ||
81 | |||
74 | # | 82 | # |
75 | # Avila and IXDP share the same source for now. Will change in future | 83 | # Avila and IXDP share the same source for now. Will change in future |
76 | # | 84 | # |
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile index 7a15629c18d0..0471044fa179 100644 --- a/arch/arm/mach-ixp4xx/Makefile +++ b/arch/arm/mach-ixp4xx/Makefile | |||
@@ -9,4 +9,5 @@ obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o | |||
9 | obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o | 9 | obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o |
10 | obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o | 10 | obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o |
11 | obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o | 11 | obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o |
12 | obj-$(CONFIG_MACH_NAS100D) += nas100d-pci.o nas100d-setup.o nas100d-power.o | ||
12 | 13 | ||
diff --git a/arch/arm/mach-ixp4xx/nas100d-pci.c b/arch/arm/mach-ixp4xx/nas100d-pci.c new file mode 100644 index 000000000000..9bd029462359 --- /dev/null +++ b/arch/arm/mach-ixp4xx/nas100d-pci.c | |||
@@ -0,0 +1,77 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-ixp4xx/nas100d-pci.c | ||
3 | * | ||
4 | * NAS 100d board-level PCI initialization | ||
5 | * | ||
6 | * based on ixdp425-pci.c: | ||
7 | * Copyright (C) 2002 Intel Corporation. | ||
8 | * Copyright (C) 2003-2004 MontaVista Software, Inc. | ||
9 | * | ||
10 | * Maintainer: http://www.nslu2-linux.org/ | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | #include <linux/config.h> | ||
19 | #include <linux/pci.h> | ||
20 | #include <linux/init.h> | ||
21 | |||
22 | #include <asm/mach/pci.h> | ||
23 | #include <asm/mach-types.h> | ||
24 | |||
25 | void __init nas100d_pci_preinit(void) | ||
26 | { | ||
27 | set_irq_type(IRQ_NAS100D_PCI_INTA, IRQT_LOW); | ||
28 | set_irq_type(IRQ_NAS100D_PCI_INTB, IRQT_LOW); | ||
29 | set_irq_type(IRQ_NAS100D_PCI_INTC, IRQT_LOW); | ||
30 | set_irq_type(IRQ_NAS100D_PCI_INTD, IRQT_LOW); | ||
31 | set_irq_type(IRQ_NAS100D_PCI_INTE, IRQT_LOW); | ||
32 | |||
33 | gpio_line_isr_clear(NAS100D_PCI_INTA_PIN); | ||
34 | gpio_line_isr_clear(NAS100D_PCI_INTB_PIN); | ||
35 | gpio_line_isr_clear(NAS100D_PCI_INTC_PIN); | ||
36 | gpio_line_isr_clear(NAS100D_PCI_INTD_PIN); | ||
37 | gpio_line_isr_clear(NAS100D_PCI_INTE_PIN); | ||
38 | |||
39 | ixp4xx_pci_preinit(); | ||
40 | } | ||
41 | |||
42 | static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | ||
43 | { | ||
44 | static int pci_irq_table[NAS100D_PCI_MAX_DEV][NAS100D_PCI_IRQ_LINES] = | ||
45 | { | ||
46 | { IRQ_NAS100D_PCI_INTA, -1, -1 }, | ||
47 | { IRQ_NAS100D_PCI_INTB, -1, -1 }, | ||
48 | { IRQ_NAS100D_PCI_INTC, IRQ_NAS100D_PCI_INTD, IRQ_NAS100D_PCI_INTE }, | ||
49 | }; | ||
50 | |||
51 | int irq = -1; | ||
52 | |||
53 | if (slot >= 1 && slot <= NAS100D_PCI_MAX_DEV && | ||
54 | pin >= 1 && pin <= NAS100D_PCI_IRQ_LINES) | ||
55 | irq = pci_irq_table[slot-1][pin-1]; | ||
56 | |||
57 | return irq; | ||
58 | } | ||
59 | |||
60 | struct hw_pci __initdata nas100d_pci = { | ||
61 | .nr_controllers = 1, | ||
62 | .preinit = nas100d_pci_preinit, | ||
63 | .swizzle = pci_std_swizzle, | ||
64 | .setup = ixp4xx_setup, | ||
65 | .scan = ixp4xx_scan_bus, | ||
66 | .map_irq = nas100d_map_irq, | ||
67 | }; | ||
68 | |||
69 | int __init nas100d_pci_init(void) | ||
70 | { | ||
71 | if (machine_is_nas100d()) | ||
72 | pci_common_init(&nas100d_pci); | ||
73 | |||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | subsys_initcall(nas100d_pci_init); | ||
diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c new file mode 100644 index 000000000000..c74a19004390 --- /dev/null +++ b/arch/arm/mach-ixp4xx/nas100d-power.c | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-ixp4xx/nas100d-power.c | ||
3 | * | ||
4 | * NAS 100d Power/Reset driver | ||
5 | * | ||
6 | * Copyright (C) 2005 Tower Technologies | ||
7 | * | ||
8 | * based on nas100d-io.c | ||
9 | * Copyright (C) 2004 Karen Spearel | ||
10 | * | ||
11 | * Author: Alessandro Zummo <a.zummo@towertech.it> | ||
12 | * Maintainers: http://www.nslu2-linux.org/ | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or modify | ||
15 | * it under the terms of the GNU General Public License version 2 as | ||
16 | * published by the Free Software Foundation. | ||
17 | * | ||
18 | */ | ||
19 | |||
20 | #include <linux/module.h> | ||
21 | #include <linux/reboot.h> | ||
22 | #include <linux/interrupt.h> | ||
23 | |||
24 | #include <asm/mach-types.h> | ||
25 | |||
26 | extern void ctrl_alt_del(void); | ||
27 | |||
28 | static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs) | ||
29 | { | ||
30 | /* Signal init to do the ctrlaltdel action, this will bypass init if | ||
31 | * it hasn't started and do a kernel_restart. | ||
32 | */ | ||
33 | ctrl_alt_del(); | ||
34 | |||
35 | return IRQ_HANDLED; | ||
36 | } | ||
37 | |||
38 | static int __init nas100d_power_init(void) | ||
39 | { | ||
40 | if (!(machine_is_nas100d())) | ||
41 | return 0; | ||
42 | |||
43 | set_irq_type(NAS100D_RB_IRQ, IRQT_LOW); | ||
44 | |||
45 | gpio_line_isr_clear(NAS100D_RB_GPIO); | ||
46 | |||
47 | if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler, | ||
48 | SA_INTERRUPT, "NAS100D reset button", NULL) < 0) { | ||
49 | |||
50 | printk(KERN_DEBUG "Reset Button IRQ %d not available\n", | ||
51 | NAS100D_RB_IRQ); | ||
52 | |||
53 | return -EIO; | ||
54 | } | ||
55 | |||
56 | return 0; | ||
57 | } | ||
58 | |||
59 | static void __exit nas100d_power_exit(void) | ||
60 | { | ||
61 | free_irq(NAS100D_RB_IRQ, NULL); | ||
62 | } | ||
63 | |||
64 | module_init(nas100d_power_init); | ||
65 | module_exit(nas100d_power_exit); | ||
66 | |||
67 | MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); | ||
68 | MODULE_DESCRIPTION("NAS100D Power/Reset driver"); | ||
69 | MODULE_LICENSE("GPL"); | ||
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c new file mode 100644 index 000000000000..bde9648e7afc --- /dev/null +++ b/arch/arm/mach-ixp4xx/nas100d-setup.c | |||
@@ -0,0 +1,133 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-ixp4xx/nas100d-setup.c | ||
3 | * | ||
4 | * NAS 100d board-setup | ||
5 | * | ||
6 | * based ixdp425-setup.c: | ||
7 | * Copyright (C) 2003-2004 MontaVista Software, Inc. | ||
8 | * | ||
9 | * Author: Alessandro Zummo <a.zummo@towertech.it> | ||
10 | * Author: Rod Whitby <rod@whitby.id.au> | ||
11 | * Maintainers: http://www.nslu2-linux.org/ | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/serial.h> | ||
17 | #include <linux/serial_8250.h> | ||
18 | |||
19 | #include <asm/mach-types.h> | ||
20 | #include <asm/mach/arch.h> | ||
21 | #include <asm/mach/flash.h> | ||
22 | |||
23 | static struct flash_platform_data nas100d_flash_data = { | ||
24 | .map_name = "cfi_probe", | ||
25 | .width = 2, | ||
26 | }; | ||
27 | |||
28 | static struct resource nas100d_flash_resource = { | ||
29 | .start = NAS100D_FLASH_BASE, | ||
30 | .end = NAS100D_FLASH_BASE + NAS100D_FLASH_SIZE, | ||
31 | .flags = IORESOURCE_MEM, | ||
32 | }; | ||
33 | |||
34 | static struct platform_device nas100d_flash = { | ||
35 | .name = "IXP4XX-Flash", | ||
36 | .id = 0, | ||
37 | .dev.platform_data = &nas100d_flash_data, | ||
38 | .num_resources = 1, | ||
39 | .resource = &nas100d_flash_resource, | ||
40 | }; | ||
41 | |||
42 | static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = { | ||
43 | .sda_pin = NAS100D_SDA_PIN, | ||
44 | .scl_pin = NAS100D_SCL_PIN, | ||
45 | }; | ||
46 | |||
47 | static struct platform_device nas100d_i2c_controller = { | ||
48 | .name = "IXP4XX-I2C", | ||
49 | .id = 0, | ||
50 | .dev.platform_data = &nas100d_i2c_gpio_pins, | ||
51 | .num_resources = 0, | ||
52 | }; | ||
53 | |||
54 | static struct resource nas100d_uart_resources[] = { | ||
55 | { | ||
56 | .start = IXP4XX_UART1_BASE_PHYS, | ||
57 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | ||
58 | .flags = IORESOURCE_MEM, | ||
59 | }, | ||
60 | { | ||
61 | .start = IXP4XX_UART2_BASE_PHYS, | ||
62 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | ||
63 | .flags = IORESOURCE_MEM, | ||
64 | } | ||
65 | }; | ||
66 | |||
67 | static struct plat_serial8250_port nas100d_uart_data[] = { | ||
68 | { | ||
69 | .mapbase = IXP4XX_UART1_BASE_PHYS, | ||
70 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | ||
71 | .irq = IRQ_IXP4XX_UART1, | ||
72 | .flags = UPF_BOOT_AUTOCONF, | ||
73 | .iotype = UPIO_MEM, | ||
74 | .regshift = 2, | ||
75 | .uartclk = IXP4XX_UART_XTAL, | ||
76 | }, | ||
77 | { | ||
78 | .mapbase = IXP4XX_UART2_BASE_PHYS, | ||
79 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | ||
80 | .irq = IRQ_IXP4XX_UART2, | ||
81 | .flags = UPF_BOOT_AUTOCONF, | ||
82 | .iotype = UPIO_MEM, | ||
83 | .regshift = 2, | ||
84 | .uartclk = IXP4XX_UART_XTAL, | ||
85 | }, | ||
86 | { } | ||
87 | }; | ||
88 | |||
89 | static struct platform_device nas100d_uart = { | ||
90 | .name = "serial8250", | ||
91 | .id = PLAT8250_DEV_PLATFORM, | ||
92 | .dev.platform_data = nas100d_uart_data, | ||
93 | .num_resources = 2, | ||
94 | .resource = nas100d_uart_resources, | ||
95 | }; | ||
96 | |||
97 | static struct platform_device *nas100d_devices[] __initdata = { | ||
98 | &nas100d_i2c_controller, | ||
99 | &nas100d_flash, | ||
100 | &nas100d_uart, | ||
101 | }; | ||
102 | |||
103 | static void nas100d_power_off(void) | ||
104 | { | ||
105 | /* This causes the box to drop the power and go dead. */ | ||
106 | |||
107 | /* enable the pwr cntl gpio */ | ||
108 | gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT); | ||
109 | |||
110 | /* do the deed */ | ||
111 | gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); | ||
112 | } | ||
113 | |||
114 | static void __init nas100d_init(void) | ||
115 | { | ||
116 | ixp4xx_sys_init(); | ||
117 | |||
118 | pm_power_off = nas100d_power_off; | ||
119 | |||
120 | platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); | ||
121 | } | ||
122 | |||
123 | MACHINE_START(NAS100D, "Iomega NAS 100d") | ||
124 | /* Maintainer: www.nslu2-linux.org */ | ||
125 | .phys_ram = PHYS_OFFSET, | ||
126 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | ||
127 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, | ||
128 | .boot_params = 0x00000100, | ||
129 | .map_io = ixp4xx_map_io, | ||
130 | .init_irq = ixp4xx_init_irq, | ||
131 | .timer = &ixp4xx_timer, | ||
132 | .init_machine = nas100d_init, | ||
133 | MACHINE_END | ||