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review.evervolv.com / android_kernel_htc_msm8960 / 2d6cf2b51fa3492c479c6d1f86496e120b51e1d8 / . / arch / arm / mach-sa1100 / shannon.c
blob: 748d34435b3f070000f2afcfc420253d85ccb060 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
2 * linux/arch/arm/mach-sa1100/shannon.c
3 */
4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]12#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]13#include <asm/mach-types.h>
14#include <asm/setup.h>
15
16#include <asm/mach/arch.h>
17#include <asm/mach/flash.h>
18#include <asm/mach/map.h>
19#include <asm/mach/serial_sa1100.h>
Russell Kinga09e64f2008-08-05 16:14:15 +0100[diff] [blame]20#include <mach/mcp.h>
21#include <mach/shannon.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]22
23#include "generic.h"
24
25static struct mtd_partition shannon_partitions[] = {
26 {
27 .name = "BLOB boot loader",
28 .offset = 0,
29 .size = 0x20000
30 },
31 {
32 .name = "kernel",
33 .offset = MTDPART_OFS_APPEND,
34 .size = 0xe0000
35 },
Kristoffer Ericson93982532008-11-26 20:58:43 +0100[diff] [blame]36 {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]37 .name = "initrd",
38 .offset = MTDPART_OFS_APPEND,
39 .size = MTDPART_SIZ_FULL
40 }
41};
42
43static struct flash_platform_data shannon_flash_data = {
44 .map_name = "cfi_probe",
45 .parts = shannon_partitions,
46 .nr_parts = ARRAY_SIZE(shannon_partitions),
47};
48
49static struct resource shannon_flash_resource = {
50 .start = SA1100_CS0_PHYS,
51 .end = SA1100_CS0_PHYS + SZ_4M - 1,
52 .flags = IORESOURCE_MEM,
53};
54
Russell King323cdfc2005-08-18 10:10:46 +0100[diff] [blame]55static struct mcp_plat_data shannon_mcp_data = {
56 .mccr0 = MCCR0_ADM,
57 .sclk_rate = 11981000,
Jochen Friedrich5dd7bf52011-11-27 22:00:54 +0100[diff] [blame]58 .codec = "ucb1x00",
Russell King323cdfc2005-08-18 10:10:46 +0100[diff] [blame]59};
60
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]61static void __init shannon_init(void)
62{
Russell King7a5b4e12009-10-06 14:55:53 +0100[diff] [blame]63 sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
Jochen Friedrichaf9081a2011-11-27 22:00:55 +0100[diff] [blame]64
65 /*
66 * Setup the PPC unit correctly.
67 */
68 PPDR &= ~PPC_RXD4;
69 PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
70 PSDR |= PPC_RXD4;
71 PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
72 PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
73
Russell King7a5b4e12009-10-06 14:55:53 +0100[diff] [blame]74 sa11x0_register_mcp(&shannon_mcp_data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]75}
76
77static void __init shannon_map_io(void)
78{
79 sa1100_map_io();
80
81 sa1100_register_uart(0, 3);
82 sa1100_register_uart(1, 1);
83
84 Ser1SDCR0 |= SDCR0_SUS;
85 GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
86 GPDR |= GPIO_UART_TXD | SHANNON_GPIO_CODEC_RESET;
87 GPDR &= ~GPIO_UART_RXD;
88 PPAR |= PPAR_UPR;
89
90 /* reset the codec */
91 GPCR = SHANNON_GPIO_CODEC_RESET;
92 GPSR = SHANNON_GPIO_CODEC_RESET;
93}
94
95MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
Nicolas Pitre17f44252011-07-05 22:38:17 -0400[diff] [blame]96 .atag_offset = 0x100,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100[diff] [blame]97 .map_io = shannon_map_io,
98 .init_irq = sa1100_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]99 .timer = &sa1100_timer,
100 .init_machine = shannon_init,
Russell Kingd9ca5832011-11-05 10:28:50 +0000[diff] [blame]101 .restart = sa11x0_restart,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]102MACHINE_END