projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e94cdef0 AV |
1 | /* |
| 2 | * Cavium Networks CNS3420 Validation Board | |
| 3 | * | |
| 4 | * Copyright 2000 Deep Blue Solutions Ltd | |
| 5 | * Copyright 2008 ARM Limited | |
| 6 | * Copyright 2008 Cavium Networks | |
| 7 | * Scott Shu | |
| 8 | * Copyright 2010 MontaVista Software, LLC. | |
| 9 | * Anton Vorontsov <avorontsov@mvista.com> | |
| 10 | * | |
| 11 | * This file is free software; you can redistribute it and/or modify | |
| 12 | * it under the terms of the GNU General Public License, Version 2, as | |
| 13 | * published by the Free Software Foundation. | |
| 14 | */ | |
| 15 | ||
| 16 | #include <linux/init.h> | |
| 17 | #include <linux/kernel.h> | |
| 18 | #include <linux/compiler.h> | |
| 19 | #include <linux/io.h> | |
| 20 | #include <linux/serial_core.h> | |
| 21 | #include <linux/serial_8250.h> | |
| 22 | #include <linux/platform_device.h> | |
| 23 | #include <linux/mtd/mtd.h> | |
| 24 | #include <linux/mtd/physmap.h> | |
| 25 | #include <linux/mtd/partitions.h> | |
| 26 | #include <asm/setup.h> | |
| 27 | #include <asm/mach-types.h> | |
| 28 | #include <asm/mach/arch.h> | |
| 29 | #include <asm/mach/map.h> | |
| 30 | #include <asm/mach/time.h> | |
| 31 | #include <mach/hardware.h> | |
| 32 | #include <mach/cns3xxx.h> | |
| 33 | #include <mach/irqs.h> | |
| 34 | #include "core.h" | |
| 6279d0ea | 35 | #include "devices.h" |
| e94cdef0 AV |
36 | |
| 37 | /* | |
| 38 | * NOR Flash | |
| 39 | */ | |
| 40 | static struct mtd_partition cns3420_nor_partitions[] = { | |
| 41 | { | |
| 42 | .name = "uboot", | |
| 43 | .size = 0x00040000, | |
| 44 | .offset = 0, | |
| 45 | .mask_flags = MTD_WRITEABLE, | |
| 46 | }, { | |
| 47 | .name = "kernel", | |
| 48 | .size = 0x004C0000, | |
| 49 | .offset = MTDPART_OFS_APPEND, | |
| 50 | }, { | |
| 51 | .name = "filesystem", | |
| 52 | .size = 0x7000000, | |
| 53 | .offset = MTDPART_OFS_APPEND, | |
| 54 | }, { | |
| 55 | .name = "filesystem2", | |
| 56 | .size = 0x0AE0000, | |
| 57 | .offset = MTDPART_OFS_APPEND, | |
| 58 | }, { | |
| 59 | .name = "ubootenv", | |
| 60 | .size = MTDPART_SIZ_FULL, | |
| 61 | .offset = MTDPART_OFS_APPEND, | |
| 62 | }, | |
| 63 | }; | |
| 64 | ||
| 65 | static struct physmap_flash_data cns3420_nor_pdata = { | |
| 66 | .width = 2, | |
| 67 | .parts = cns3420_nor_partitions, | |
| 68 | .nr_parts = ARRAY_SIZE(cns3420_nor_partitions), | |
| 69 | }; | |
| 70 | ||
| 71 | static struct resource cns3420_nor_res = { | |
| 72 | .start = CNS3XXX_FLASH_BASE, | |
| 73 | .end = CNS3XXX_FLASH_BASE + SZ_128M - 1, | |
| 74 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, | |
| 75 | }; | |
| 76 | ||
| 77 | static struct platform_device cns3420_nor_pdev = { | |
| 78 | .name = "physmap-flash", | |
| 79 | .id = 0, | |
| 80 | .resource = &cns3420_nor_res, | |
| 81 | .num_resources = 1, | |
| 82 | .dev = { | |
| 83 | .platform_data = &cns3420_nor_pdata, | |
| 84 | }, | |
| 85 | }; | |
| 86 | ||
| 87 | /* | |
| 88 | * UART | |
| 89 | */ | |
| 90 | static void __init cns3420_early_serial_setup(void) | |
| 91 | { | |
| 92 | #ifdef CONFIG_SERIAL_8250_CONSOLE | |
| 93 | static struct uart_port cns3420_serial_port = { | |
| 94 | .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT, | |
| 95 | .mapbase = CNS3XXX_UART0_BASE, | |
| 96 | .irq = IRQ_CNS3XXX_UART0, | |
| 97 | .iotype = UPIO_MEM, | |
| 98 | .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, | |
| 99 | .regshift = 2, | |
| 100 | .uartclk = 24000000, | |
| 101 | .line = 0, | |
| 102 | .type = PORT_16550A, | |
| 103 | .fifosize = 16, | |
| 104 | }; | |
| 105 | ||
| 106 | early_serial_setup(&cns3420_serial_port); | |
| 107 | #endif | |
| 108 | } | |
| 109 | ||
| 110 | /* | |
| 111 | * Initialization | |
| 112 | */ | |
| 113 | static struct platform_device *cns3420_pdevs[] __initdata = { | |
| 114 | &cns3420_nor_pdev, | |
| 115 | }; | |
| 116 | ||
| 117 | static void __init cns3420_init(void) | |
| 118 | { | |
| 119 | platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs)); | |
| 120 | ||
| 6279d0ea AV |
121 | cns3xxx_sdhci_init(); |
| 122 | ||
| e94cdef0 AV |
123 | pm_power_off = cns3xxx_power_off; |
| 124 | } | |
| 125 | ||
| 126 | static struct map_desc cns3420_io_desc[] __initdata = { | |
| 127 | { | |
| 128 | .virtual = CNS3XXX_UART0_BASE_VIRT, | |
| 129 | .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE), | |
| 130 | .length = SZ_4K, | |
| 131 | .type = MT_DEVICE, | |
| 132 | }, | |
| 133 | }; | |
| 134 | ||
| 135 | static void __init cns3420_map_io(void) | |
| 136 | { | |
| 137 | cns3xxx_map_io(); | |
| 138 | iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc)); | |
| 139 | ||
| 140 | cns3420_early_serial_setup(); | |
| 141 | } | |
| 142 | ||
| 143 | MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board") | |
| 144 | .phys_io = CNS3XXX_UART0_BASE, | |
| 145 | .io_pg_offst = (CNS3XXX_UART0_BASE_VIRT >> 18) & 0xfffc, | |
| 146 | .boot_params = 0x00000100, | |
| 147 | .map_io = cns3420_map_io, | |
| 148 | .init_irq = cns3xxx_init_irq, | |
| 149 | .timer = &cns3xxx_timer, | |
| 150 | .init_machine = cns3420_init, | |
| 151 | MACHINE_END |