aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2011-10-31 09:07:51 -0400
committerArnd Bergmann <arnd@arndb.de>2011-10-31 09:07:51 -0400
commit86c1e5a74af11e4817ffa6d7748d9ac1353b5b53 (patch)
tree377327a40452c4282787f49456122bf1753a0255 /arch/arm/mach-omap1
parent6a8d2e2b504ce3d12cfa3934f545c9415441a5c3 (diff)
parent3ae3e253db7385238dd9d6c67c085afa3e770a56 (diff)
Merge branch 'omap/dt' into next/dt
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/Makefile2
-rw-r--r--arch/arm/mach-omap1/mcbsp.c45
-rw-r--r--arch/arm/mach-omap1/timer.c173
3 files changed, 219 insertions, 1 deletions
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 5b114d1558c..11c85cd2731 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -4,7 +4,7 @@
4 4
5# Common support 5# Common support
6obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o 6obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o
7obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o 7obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o timer.o
8 8
9obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o 9obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
10 10
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index ab7395d84bc..91f9abbd325 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -31,6 +31,7 @@
31static int dsp_use; 31static int dsp_use;
32static struct clk *api_clk; 32static struct clk *api_clk;
33static struct clk *dsp_clk; 33static struct clk *dsp_clk;
34static struct platform_device **omap_mcbsp_devices;
34 35
35static void omap1_mcbsp_request(unsigned int id) 36static void omap1_mcbsp_request(unsigned int id)
36{ 37{
@@ -78,6 +79,17 @@ static struct omap_mcbsp_ops omap1_mcbsp_ops = {
78 .free = omap1_mcbsp_free, 79 .free = omap1_mcbsp_free,
79}; 80};
80 81
82#define OMAP7XX_MCBSP1_BASE 0xfffb1000
83#define OMAP7XX_MCBSP2_BASE 0xfffb1800
84
85#define OMAP1510_MCBSP1_BASE 0xe1011800
86#define OMAP1510_MCBSP2_BASE 0xfffb1000
87#define OMAP1510_MCBSP3_BASE 0xe1017000
88
89#define OMAP1610_MCBSP1_BASE 0xe1011800
90#define OMAP1610_MCBSP2_BASE 0xfffb1000
91#define OMAP1610_MCBSP3_BASE 0xe1017000
92
81#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) 93#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
82struct resource omap7xx_mcbsp_res[][6] = { 94struct resource omap7xx_mcbsp_res[][6] = {
83 { 95 {
@@ -369,6 +381,39 @@ static struct omap_mcbsp_platform_data omap16xx_mcbsp_pdata[] = {
369#define OMAP16XX_MCBSP_COUNT 0 381#define OMAP16XX_MCBSP_COUNT 0
370#endif 382#endif
371 383
384static void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
385 struct omap_mcbsp_platform_data *config, int size)
386{
387 int i;
388
389 omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
390 GFP_KERNEL);
391 if (!omap_mcbsp_devices) {
392 printk(KERN_ERR "Could not register McBSP devices\n");
393 return;
394 }
395
396 for (i = 0; i < size; i++) {
397 struct platform_device *new_mcbsp;
398 int ret;
399
400 new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
401 if (!new_mcbsp)
402 continue;
403 platform_device_add_resources(new_mcbsp, &res[i * res_count],
404 res_count);
405 config[i].reg_size = 2;
406 config[i].reg_step = 2;
407 new_mcbsp->dev.platform_data = &config[i];
408 ret = platform_device_add(new_mcbsp);
409 if (ret) {
410 platform_device_put(new_mcbsp);
411 continue;
412 }
413 omap_mcbsp_devices[i] = new_mcbsp;
414 }
415}
416
372static int __init omap1_mcbsp_init(void) 417static int __init omap1_mcbsp_init(void)
373{ 418{
374 if (!cpu_class_is_omap1()) 419 if (!cpu_class_is_omap1())
diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c
new file mode 100644
index 00000000000..6e90665a7c4
--- /dev/null
+++ b/arch/arm/mach-omap1/timer.c
@@ -0,0 +1,173 @@
1/**
2 * OMAP1 Dual-Mode Timers - platform device registration
3 *
4 * Contains first level initialization routines which internally
5 * generates timer device information and registers with linux
6 * device model. It also has low level function to chnage the timer
7 * input clock source.
8 *
9 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
10 * Tarun Kanti DebBarma <tarun.kanti@ti.com>
11 * Thara Gopinath <thara@ti.com>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 *
17 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
18 * kind, whether express or implied; without even the implied warranty
19 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 */
22
23#include <linux/clk.h>
24#include <linux/io.h>
25#include <linux/err.h>
26#include <linux/slab.h>
27#include <linux/platform_device.h>
28
29#include <mach/irqs.h>
30
31#include <plat/dmtimer.h>
32
33#define OMAP1610_GPTIMER1_BASE 0xfffb1400
34#define OMAP1610_GPTIMER2_BASE 0xfffb1c00
35#define OMAP1610_GPTIMER3_BASE 0xfffb2400
36#define OMAP1610_GPTIMER4_BASE 0xfffb2c00
37#define OMAP1610_GPTIMER5_BASE 0xfffb3400
38#define OMAP1610_GPTIMER6_BASE 0xfffb3c00
39#define OMAP1610_GPTIMER7_BASE 0xfffb7400
40#define OMAP1610_GPTIMER8_BASE 0xfffbd400
41
42#define OMAP1_DM_TIMER_COUNT 8
43
44static int omap1_dm_timer_set_src(struct platform_device *pdev,
45 int source)
46{
47 int n = (pdev->id - 1) << 1;
48 u32 l;
49
50 l = __raw_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
51 l |= source << n;
52 __raw_writel(l, MOD_CONF_CTRL_1);
53
54 return 0;
55}
56
57
58int __init omap1_dm_timer_init(void)
59{
60 int i;
61 int ret;
62 struct dmtimer_platform_data *pdata;
63 struct platform_device *pdev;
64
65 if (!cpu_is_omap16xx())
66 return 0;
67
68 for (i = 1; i <= OMAP1_DM_TIMER_COUNT; i++) {
69 struct resource res[2];
70 u32 base, irq;
71
72 switch (i) {
73 case 1:
74 base = OMAP1610_GPTIMER1_BASE;
75 irq = INT_1610_GPTIMER1;
76 break;
77 case 2:
78 base = OMAP1610_GPTIMER2_BASE;
79 irq = INT_1610_GPTIMER2;
80 break;
81 case 3:
82 base = OMAP1610_GPTIMER3_BASE;
83 irq = INT_1610_GPTIMER3;
84 break;
85 case 4:
86 base = OMAP1610_GPTIMER4_BASE;
87 irq = INT_1610_GPTIMER4;
88 break;
89 case 5:
90 base = OMAP1610_GPTIMER5_BASE;
91 irq = INT_1610_GPTIMER5;
92 break;
93 case 6:
94 base = OMAP1610_GPTIMER6_BASE;
95 irq = INT_1610_GPTIMER6;
96 break;
97 case 7:
98 base = OMAP1610_GPTIMER7_BASE;
99 irq = INT_1610_GPTIMER7;
100 break;
101 case 8:
102 base = OMAP1610_GPTIMER8_BASE;
103 irq = INT_1610_GPTIMER8;
104 break;
105 default:
106 /*
107 * not supposed to reach here.
108 * this is to remove warning.
109 */
110 return -EINVAL;
111 }
112
113 pdev = platform_device_alloc("omap_timer", i);
114 if (!pdev) {
115 pr_err("%s: Failed to device alloc for dmtimer%d\n",
116 __func__, i);
117 return -ENOMEM;
118 }
119
120 memset(res, 0, 2 * sizeof(struct resource));
121 res[0].start = base;
122 res[0].end = base + 0x46;
123 res[0].flags = IORESOURCE_MEM;
124 res[1].start = irq;
125 res[1].end = irq;
126 res[1].flags = IORESOURCE_IRQ;
127 ret = platform_device_add_resources(pdev, res,
128 ARRAY_SIZE(res));
129 if (ret) {
130 dev_err(&pdev->dev, "%s: Failed to add resources.\n",
131 __func__);
132 goto err_free_pdev;
133 }
134
135 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
136 if (!pdata) {
137 dev_err(&pdev->dev, "%s: Failed to allocate pdata.\n",
138 __func__);
139 ret = -ENOMEM;
140 goto err_free_pdata;
141 }
142
143 pdata->set_timer_src = omap1_dm_timer_set_src;
144 pdata->needs_manual_reset = 1;
145
146 ret = platform_device_add_data(pdev, pdata, sizeof(*pdata));
147 if (ret) {
148 dev_err(&pdev->dev, "%s: Failed to add platform data.\n",
149 __func__);
150 goto err_free_pdata;
151 }
152
153 ret = platform_device_add(pdev);
154 if (ret) {
155 dev_err(&pdev->dev, "%s: Failed to add platform device.\n",
156 __func__);
157 goto err_free_pdata;
158 }
159
160 dev_dbg(&pdev->dev, " Registered.\n");
161 }
162
163 return 0;
164
165err_free_pdata:
166 kfree(pdata);
167
168err_free_pdev:
169 platform_device_unregister(pdev);
170
171 return ret;
172}
173arch_initcall(omap1_dm_timer_init);