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1 /*
2  * linux/arch/arm/mach-sa1100/shannon.c
3  */
4 
5 #include <linux/init.h>
6 #include <linux/device.h>
7 #include <linux/kernel.h>
8 #include <linux/tty.h>
9 #include <linux/mtd/mtd.h>
10 #include <linux/mtd/partitions.h>
11 
12 #include <video/sa1100fb.h>
13 
14 #include <mach/hardware.h>
15 #include <asm/mach-types.h>
16 #include <asm/setup.h>
17 
18 #include <asm/mach/arch.h>
19 #include <asm/mach/flash.h>
20 #include <asm/mach/map.h>
21 #include <asm/mach/serial_sa1100.h>
22 #include <mach/mcp.h>
23 #include <mach/shannon.h>
24 #include <mach/irqs.h>
25 
26 #include "generic.h"
27 
28 static struct mtd_partition shannon_partitions[] = {
29 	{
30 		.name		= "BLOB boot loader",
31 		.offset		= 0,
32 		.size		= 0x20000
33 	},
34 	{
35 		.name		= "kernel",
36 		.offset		= MTDPART_OFS_APPEND,
37 		.size		= 0xe0000
38 	},
39 	{
40 		.name		= "initrd",
41 		.offset		= MTDPART_OFS_APPEND,
42 		.size		= MTDPART_SIZ_FULL
43 	}
44 };
45 
46 static struct flash_platform_data shannon_flash_data = {
47 	.map_name	= "cfi_probe",
48 	.parts		= shannon_partitions,
49 	.nr_parts	= ARRAY_SIZE(shannon_partitions),
50 };
51 
52 static struct resource shannon_flash_resource =
53 	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_4M);
54 
55 static struct mcp_plat_data shannon_mcp_data = {
56 	.mccr0		= MCCR0_ADM,
57 	.sclk_rate	= 11981000,
58 };
59 
60 static struct sa1100fb_mach_info shannon_lcd_info = {
61 	.pixclock	= 152500,	.bpp		= 8,
62 	.xres		= 640,		.yres		= 480,
63 
64 	.hsync_len	= 4,		.vsync_len	= 3,
65 	.left_margin	= 2,		.upper_margin	= 0,
66 	.right_margin	= 1,		.lower_margin	= 0,
67 
68 	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
69 
70 	.lccr0		= LCCR0_Color | LCCR0_Dual | LCCR0_Pas,
71 	.lccr3		= LCCR3_ACBsDiv(512),
72 };
73 
shannon_init(void)74 static void __init shannon_init(void)
75 {
76 	sa11x0_ppc_configure_mcp();
77 	sa11x0_register_lcd(&shannon_lcd_info);
78 	sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
79 	sa11x0_register_mcp(&shannon_mcp_data);
80 }
81 
shannon_map_io(void)82 static void __init shannon_map_io(void)
83 {
84 	sa1100_map_io();
85 
86 	sa1100_register_uart(0, 3);
87 	sa1100_register_uart(1, 1);
88 
89 	Ser1SDCR0 |= SDCR0_SUS;
90 	GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
91 	GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
92 	GPDR &= ~GPIO_UART_RXD;
93 	PPAR |= PPAR_UPR;
94 
95 	/* reset the codec */
96 	GPCR = SHANNON_GPIO_CODEC_RESET;
97 	GPSR = SHANNON_GPIO_CODEC_RESET;
98 }
99 
100 MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
101 	.atag_offset	= 0x100,
102 	.map_io		= shannon_map_io,
103 	.nr_irqs	= SA1100_NR_IRQS,
104 	.init_irq	= sa1100_init_irq,
105 	.timer		= &sa1100_timer,
106 	.init_machine	= shannon_init,
107 	.restart	= sa11x0_restart,
108 MACHINE_END
109