diff options
Diffstat (limited to 'arch/arm/mach-spear13xx/spear1310.c')
-rw-r--r-- | arch/arm/mach-spear13xx/spear1310.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/mach-spear13xx/spear1310.c b/arch/arm/mach-spear13xx/spear1310.c new file mode 100644 index 000000000000..fefd15b2f380 --- /dev/null +++ b/arch/arm/mach-spear13xx/spear1310.c | |||
@@ -0,0 +1,88 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-spear13xx/spear1310.c | ||
3 | * | ||
4 | * SPEAr1310 machine source file | ||
5 | * | ||
6 | * Copyright (C) 2012 ST Microelectronics | ||
7 | * Viresh Kumar <viresh.kumar@st.com> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #define pr_fmt(fmt) "SPEAr1310: " fmt | ||
15 | |||
16 | #include <linux/amba/pl022.h> | ||
17 | #include <linux/of_platform.h> | ||
18 | #include <asm/hardware/gic.h> | ||
19 | #include <asm/mach/arch.h> | ||
20 | #include <asm/mach/map.h> | ||
21 | #include <mach/generic.h> | ||
22 | #include <mach/spear.h> | ||
23 | |||
24 | /* Base addresses */ | ||
25 | #define SPEAR1310_SSP1_BASE UL(0x5D400000) | ||
26 | #define SPEAR1310_SATA0_BASE UL(0xB1000000) | ||
27 | #define SPEAR1310_SATA1_BASE UL(0xB1800000) | ||
28 | #define SPEAR1310_SATA2_BASE UL(0xB4000000) | ||
29 | |||
30 | /* ssp device registration */ | ||
31 | static struct pl022_ssp_controller ssp1_plat_data = { | ||
32 | .bus_id = 0, | ||
33 | .enable_dma = 0, | ||
34 | .num_chipselect = 3, | ||
35 | }; | ||
36 | |||
37 | /* Add SPEAr1310 auxdata to pass platform data */ | ||
38 | static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { | ||
39 | OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), | ||
40 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), | ||
41 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), | ||
42 | OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), | ||
43 | |||
44 | OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), | ||
45 | {} | ||
46 | }; | ||
47 | |||
48 | static void __init spear1310_dt_init(void) | ||
49 | { | ||
50 | of_platform_populate(NULL, of_default_bus_match_table, | ||
51 | spear1310_auxdata_lookup, NULL); | ||
52 | } | ||
53 | |||
54 | static const char * const spear1310_dt_board_compat[] = { | ||
55 | "st,spear1310", | ||
56 | "st,spear1310-evb", | ||
57 | NULL, | ||
58 | }; | ||
59 | |||
60 | /* | ||
61 | * Following will create 16MB static virtual/physical mappings | ||
62 | * PHYSICAL VIRTUAL | ||
63 | * 0xD8000000 0xFA000000 | ||
64 | */ | ||
65 | struct map_desc spear1310_io_desc[] __initdata = { | ||
66 | { | ||
67 | .virtual = VA_SPEAR1310_RAS_GRP1_BASE, | ||
68 | .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), | ||
69 | .length = SZ_16M, | ||
70 | .type = MT_DEVICE | ||
71 | }, | ||
72 | }; | ||
73 | |||
74 | static void __init spear1310_map_io(void) | ||
75 | { | ||
76 | iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); | ||
77 | spear13xx_map_io(); | ||
78 | } | ||
79 | |||
80 | DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") | ||
81 | .map_io = spear1310_map_io, | ||
82 | .init_irq = spear13xx_dt_init_irq, | ||
83 | .handle_irq = gic_handle_irq, | ||
84 | .timer = &spear13xx_timer, | ||
85 | .init_machine = spear1310_dt_init, | ||
86 | .restart = spear_restart, | ||
87 | .dt_compat = spear1310_dt_board_compat, | ||
88 | MACHINE_END | ||