2 * TI DaVinci EVM board support
4 * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
6 * 2007 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/init.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/platform_device.h>
16 #include <linux/mtd/mtd.h>
17 #include <linux/mtd/partitions.h>
18 #include <linux/mtd/physmap.h>
20 #include <asm/setup.h>
22 #include <asm/mach-types.h>
23 #include <asm/hardware.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/flash.h>
29 #include <asm/arch/common.h>
31 /* other misc. init functions */
32 void __init davinci_psc_init(void);
33 void __init davinci_irq_init(void);
34 void __init davinci_map_common_io(void);
35 void __init davinci_init_common_hw(void);
37 /* NOR Flash base address set to CS0 by default */
38 #define NOR_FLASH_PHYS 0x02000000
40 static struct mtd_partition davinci_evm_partitions[] = {
41 /* bootloader (U-Boot, etc) in first 4 sectors */
46 .mask_flags = MTD_WRITEABLE, /* force read-only */
48 /* bootloader params in the next 1 sectors */
51 .offset = MTDPART_OFS_APPEND,
58 .offset = MTDPART_OFS_APPEND,
65 .offset = MTDPART_OFS_APPEND,
66 .size = MTDPART_SIZ_FULL,
71 static struct physmap_flash_data davinci_evm_flash_data = {
73 .parts = davinci_evm_partitions,
74 .nr_parts = ARRAY_SIZE(davinci_evm_partitions),
77 /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
78 * limits addresses to 16M, so using addresses past 16M will wrap */
79 static struct resource davinci_evm_flash_resource = {
80 .start = NOR_FLASH_PHYS,
81 .end = NOR_FLASH_PHYS + SZ_16M - 1,
82 .flags = IORESOURCE_MEM,
85 static struct platform_device davinci_evm_flash_device = {
86 .name = "physmap-flash",
89 .platform_data = &davinci_evm_flash_data,
92 .resource = &davinci_evm_flash_resource,
95 static struct platform_device *davinci_evm_devices[] __initdata = {
96 &davinci_evm_flash_device,
100 davinci_evm_map_io(void)
102 davinci_map_common_io();
105 static __init void davinci_evm_init(void)
109 #if defined(CONFIG_BLK_DEV_DAVINCI) || defined(CONFIG_BLK_DEV_DAVINCI_MODULE)
110 printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, "
111 "but share pins.\n\t Disable IDE for NOR support.\n");
114 platform_add_devices(davinci_evm_devices,
115 ARRAY_SIZE(davinci_evm_devices));
118 static __init void davinci_evm_irq_init(void)
120 davinci_init_common_hw();
124 MACHINE_START(DAVINCI_EVM, "DaVinci EVM")
125 /* Maintainer: MontaVista Software <source@mvista.com> */
127 .io_pg_offst = (io_p2v(IO_PHYS) >> 18) & 0xfffc,
128 .boot_params = (DAVINCI_DDR_BASE + 0x100),
129 .map_io = davinci_evm_map_io,
130 .init_irq = davinci_evm_irq_init,
131 .timer = &davinci_timer,
132 .init_machine = davinci_evm_init,