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e3978dc7 VK |
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 |