1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* arch/arm/mach-spear13xx/spear1310.c
*
* SPEAr1310 machine source file
*
* Copyright (C) 2012 ST Microelectronics
* Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#define pr_fmt(fmt) "SPEAr1310: " fmt
#include <linux/amba/pl022.h>
#include <linux/of_platform.h>
#include <linux/pata_arasan_cf_data.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/generic.h>
#include <mach/spear.h>
/* Base addresses */
#define SPEAR1310_SSP1_BASE UL(0x5D400000)
#define SPEAR1310_SATA0_BASE UL(0xB1000000)
#define SPEAR1310_SATA1_BASE UL(0xB1800000)
#define SPEAR1310_SATA2_BASE UL(0xB4000000)
#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
#define SPEAR1310_RAS_BASE UL(0xD8400000)
#define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000))
static struct arasan_cf_pdata cf_pdata = {
.cf_if_clk = CF_IF_CLK_166M,
.quirk = CF_BROKEN_UDMA,
.dma_priv = &cf_dma_priv,
};
/* ssp device registration */
static struct pl022_ssp_controller ssp1_plat_data = {
.enable_dma = 0,
};
/* Add SPEAr1310 auxdata to pass platform data */
static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata),
OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data),
OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data),
OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data),
OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data),
{}
};
static void __init spear1310_dt_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table,
spear1310_auxdata_lookup, NULL);
}
static const char * const spear1310_dt_board_compat[] = {
"st,spear1310",
"st,spear1310-evb",
NULL,
};
/*
* Following will create 16MB static virtual/physical mappings
* PHYSICAL VIRTUAL
* 0xD8000000 0xFA000000
*/
struct map_desc spear1310_io_desc[] __initdata = {
{
.virtual = VA_SPEAR1310_RAS_GRP1_BASE,
.pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
.length = SZ_16M,
.type = MT_DEVICE
},
};
static void __init spear1310_map_io(void)
{
iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
spear13xx_map_io();
}
DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
.smp = smp_ops(spear13xx_smp_ops),
.map_io = spear1310_map_io,
.init_irq = spear13xx_dt_init_irq,
.handle_irq = gic_handle_irq,
.init_time = spear13xx_timer_init,
.init_machine = spear1310_dt_init,
.restart = spear_restart,
.dt_compat = spear1310_dt_board_compat,
MACHINE_END
|
