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-rw-r--r--arch/arm/mach-spear/spear1310.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c
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index 000000000000..ed3b5c287a7b
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+++ b/arch/arm/mach-spear/spear1310.c
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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
34static 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 */
41static struct pl022_ssp_controller ssp1_plat_data = {
42 .enable_dma = 0,
43};
44
45/* Add SPEAr1310 auxdata to pass platform data */
46static 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
56static void __init spear1310_dt_init(void)
57{
58 of_platform_populate(NULL, of_default_bus_match_table,
59 spear1310_auxdata_lookup, NULL);
60}
61
62static 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 */
73struct 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
82static void __init spear1310_map_io(void)
83{
84 iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
85 spear13xx_map_io();
86}
87
88DT_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,
96MACHINE_END