diff options
Diffstat (limited to 'arch/arm/mach-spear/spear1310.c')
-rw-r--r-- | arch/arm/mach-spear/spear1310.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c new file mode 100644 index 000000000000..ed3b5c287a7b --- /dev/null +++ b/arch/arm/mach-spear/spear1310.c | |||
@@ -0,0 +1,96 @@ | |||
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.linux@gmail.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/irqchip.h> | ||
18 | #include <linux/of_platform.h> | ||
19 | #include <linux/pata_arasan_cf_data.h> | ||
20 | #include <asm/mach/arch.h> | ||
21 | #include <asm/mach/map.h> | ||
22 | #include "generic.h" | ||
23 | #include <mach/spear.h> | ||
24 | |||
25 | /* Base addresses */ | ||
26 | #define SPEAR1310_SSP1_BASE UL(0x5D400000) | ||
27 | #define SPEAR1310_SATA0_BASE UL(0xB1000000) | ||
28 | #define SPEAR1310_SATA1_BASE UL(0xB1800000) | ||
29 | #define SPEAR1310_SATA2_BASE UL(0xB4000000) | ||
30 | |||
31 | #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) | ||
32 | #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) | ||
33 | |||
34 | static struct arasan_cf_pdata cf_pdata = { | ||
35 | .cf_if_clk = CF_IF_CLK_166M, | ||
36 | .quirk = CF_BROKEN_UDMA, | ||
37 | .dma_priv = &cf_dma_priv, | ||
38 | }; | ||
39 | |||
40 | /* ssp device registration */ | ||
41 | static struct pl022_ssp_controller ssp1_plat_data = { | ||
42 | .enable_dma = 0, | ||
43 | }; | ||
44 | |||
45 | /* Add SPEAr1310 auxdata to pass platform data */ | ||
46 | static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { | ||
47 | OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata), | ||
48 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), | ||
49 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), | ||
50 | OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), | ||
51 | |||
52 | OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), | ||
53 | {} | ||
54 | }; | ||
55 | |||
56 | static void __init spear1310_dt_init(void) | ||
57 | { | ||
58 | of_platform_populate(NULL, of_default_bus_match_table, | ||
59 | spear1310_auxdata_lookup, NULL); | ||
60 | } | ||
61 | |||
62 | static const char * const spear1310_dt_board_compat[] = { | ||
63 | "st,spear1310", | ||
64 | "st,spear1310-evb", | ||
65 | NULL, | ||
66 | }; | ||
67 | |||
68 | /* | ||
69 | * Following will create 16MB static virtual/physical mappings | ||
70 | * PHYSICAL VIRTUAL | ||
71 | * 0xD8000000 0xFA000000 | ||
72 | */ | ||
73 | struct map_desc spear1310_io_desc[] __initdata = { | ||
74 | { | ||
75 | .virtual = VA_SPEAR1310_RAS_GRP1_BASE, | ||
76 | .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), | ||
77 | .length = SZ_16M, | ||
78 | .type = MT_DEVICE | ||
79 | }, | ||
80 | }; | ||
81 | |||
82 | static void __init spear1310_map_io(void) | ||
83 | { | ||
84 | iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); | ||
85 | spear13xx_map_io(); | ||
86 | } | ||
87 | |||
88 | DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") | ||
89 | .smp = smp_ops(spear13xx_smp_ops), | ||
90 | .map_io = spear1310_map_io, | ||
91 | .init_irq = irqchip_init, | ||
92 | .init_time = spear13xx_timer_init, | ||
93 | .init_machine = spear1310_dt_init, | ||
94 | .restart = spear_restart, | ||
95 | .dt_compat = spear1310_dt_board_compat, | ||
96 | MACHINE_END | ||