diff options
author | Wolfram Sang <w.sang@pengutronix.de> | 2011-05-25 06:56:49 -0400 |
---|---|---|
committer | John Stultz <john.stultz@linaro.org> | 2011-07-01 21:09:34 -0400 |
commit | 47eac337cd87464b90d0ad2eb2a060036a95b649 (patch) | |
tree | 84db345a5b36c28d62cab980e1a1fb81c43c30a9 /drivers/rtc/rtc-stmp3xxx.c | |
parent | 07187ee13f2b4ba183d4a4832ea153dbb2e030d3 (diff) |
rtc: stmp3xxx: Restore register definitions
The stmp3xxx driver used to include register names from a stmp-specific
include. Because of consolidation, plat-stmp has now been removed and
merged with the compatible mach-mxs. Restore the register names directly
in the driver and rename them to be specific to this driver.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'drivers/rtc/rtc-stmp3xxx.c')
-rw-r--r-- | drivers/rtc/rtc-stmp3xxx.c | 97 |
1 files changed, 60 insertions, 37 deletions
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 572e9534b591..e54bea076067 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c | |||
@@ -26,7 +26,25 @@ | |||
26 | 26 | ||
27 | #include <mach/platform.h> | 27 | #include <mach/platform.h> |
28 | #include <mach/stmp3xxx.h> | 28 | #include <mach/stmp3xxx.h> |
29 | #include <mach/regs-rtc.h> | 29 | |
30 | #define STMP3XXX_RTC_CTRL 0x0 | ||
31 | #define STMP3XXX_RTC_CTRL_ALARM_IRQ_EN 0x00000001 | ||
32 | #define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN 0x00000002 | ||
33 | #define STMP3XXX_RTC_CTRL_ALARM_IRQ 0x00000004 | ||
34 | #define STMP3XXX_RTC_CTRL_ONEMSEC_IRQ 0x00000008 | ||
35 | |||
36 | #define STMP3XXX_RTC_STAT 0x10 | ||
37 | #define STMP3XXX_RTC_STAT_STALE_SHIFT 16 | ||
38 | #define STMP3XXX_RTC_STAT_RTC_PRESENT 0x80000000 | ||
39 | |||
40 | #define STMP3XXX_RTC_SECONDS 0x30 | ||
41 | |||
42 | #define STMP3XXX_RTC_ALARM 0x40 | ||
43 | |||
44 | #define STMP3XXX_RTC_PERSISTENT0 0x60 | ||
45 | #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN 0x00000002 | ||
46 | #define STMP3XXX_RTC_PERSISTENT0_ALARM_EN 0x00000004 | ||
47 | #define STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE 0x00000080 | ||
30 | 48 | ||
31 | struct stmp3xxx_rtc_data { | 49 | struct stmp3xxx_rtc_data { |
32 | struct rtc_device *rtc; | 50 | struct rtc_device *rtc; |
@@ -42,8 +60,8 @@ static void stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data) | |||
42 | * NEW_REGS/STALE_REGS bitfields go. In fact it's 0x1=P0, | 60 | * NEW_REGS/STALE_REGS bitfields go. In fact it's 0x1=P0, |
43 | * 0x2=P1, .., 0x20=P5, 0x40=ALARM, 0x80=SECONDS | 61 | * 0x2=P1, .., 0x20=P5, 0x40=ALARM, 0x80=SECONDS |
44 | */ | 62 | */ |
45 | while (__raw_readl(rtc_data->io + HW_RTC_STAT) & | 63 | while (__raw_readl(rtc_data->io + STMP3XXX_RTC_STAT) & |
46 | BF(0x80, RTC_STAT_STALE_REGS)) | 64 | (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT)) |
47 | cpu_relax(); | 65 | cpu_relax(); |
48 | } | 66 | } |
49 | 67 | ||
@@ -53,7 +71,8 @@ static int stmp3xxx_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) | |||
53 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); | 71 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); |
54 | 72 | ||
55 | stmp3xxx_wait_time(rtc_data); | 73 | stmp3xxx_wait_time(rtc_data); |
56 | rtc_time_to_tm(__raw_readl(rtc_data->io + HW_RTC_SECONDS), rtc_tm); | 74 | rtc_time_to_tm(__raw_readl(rtc_data->io + STMP3XXX_RTC_SECONDS), |
75 | rtc_tm); | ||
57 | return 0; | 76 | return 0; |
58 | } | 77 | } |
59 | 78 | ||
@@ -61,7 +80,7 @@ static int stmp3xxx_rtc_set_mmss(struct device *dev, unsigned long t) | |||
61 | { | 80 | { |
62 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); | 81 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); |
63 | 82 | ||
64 | __raw_writel(t, rtc_data->io + HW_RTC_SECONDS); | 83 | __raw_writel(t, rtc_data->io + STMP3XXX_RTC_SECONDS); |
65 | stmp3xxx_wait_time(rtc_data); | 84 | stmp3xxx_wait_time(rtc_data); |
66 | return 0; | 85 | return 0; |
67 | } | 86 | } |
@@ -73,18 +92,19 @@ static irqreturn_t stmp3xxx_rtc_interrupt(int irq, void *dev_id) | |||
73 | u32 status; | 92 | u32 status; |
74 | u32 events = 0; | 93 | u32 events = 0; |
75 | 94 | ||
76 | status = __raw_readl(rtc_data->io + HW_RTC_CTRL) & | 95 | status = __raw_readl(rtc_data->io + STMP3XXX_RTC_CTRL) & |
77 | (BM_RTC_CTRL_ALARM_IRQ | BM_RTC_CTRL_ONEMSEC_IRQ); | 96 | (STMP3XXX_RTC_CTRL_ALARM_IRQ | |
97 | STMP3XXX_RTC_CTRL_ONEMSEC_IRQ); | ||
78 | 98 | ||
79 | if (status & BM_RTC_CTRL_ALARM_IRQ) { | 99 | if (status & STMP3XXX_RTC_CTRL_ALARM_IRQ) { |
80 | stmp3xxx_clearl(BM_RTC_CTRL_ALARM_IRQ, | 100 | stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ALARM_IRQ, |
81 | rtc_data->io + HW_RTC_CTRL); | 101 | rtc_data->io + STMP3XXX_RTC_CTRL); |
82 | events |= RTC_AF | RTC_IRQF; | 102 | events |= RTC_AF | RTC_IRQF; |
83 | } | 103 | } |
84 | 104 | ||
85 | if (status & BM_RTC_CTRL_ONEMSEC_IRQ) { | 105 | if (status & STMP3XXX_RTC_CTRL_ONEMSEC_IRQ) { |
86 | stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ, | 106 | stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ, |
87 | rtc_data->io + HW_RTC_CTRL); | 107 | rtc_data->io + STMP3XXX_RTC_CTRL); |
88 | if (++rtc_data->irq_count % 1000 == 0) { | 108 | if (++rtc_data->irq_count % 1000 == 0) { |
89 | events |= RTC_UF | RTC_IRQF; | 109 | events |= RTC_UF | RTC_IRQF; |
90 | rtc_data->irq_count = 0; | 110 | rtc_data->irq_count = 0; |
@@ -100,17 +120,17 @@ static irqreturn_t stmp3xxx_rtc_interrupt(int irq, void *dev_id) | |||
100 | static int stmp3xxx_alarm_irq_enable(struct device *dev, unsigned int enabled) | 120 | static int stmp3xxx_alarm_irq_enable(struct device *dev, unsigned int enabled) |
101 | { | 121 | { |
102 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); | 122 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); |
103 | void __iomem *p = rtc_data->io + HW_RTC_PERSISTENT0, | 123 | void __iomem *p = rtc_data->io + STMP3XXX_RTC_PERSISTENT0, |
104 | *ctl = rtc_data->io + HW_RTC_CTRL; | 124 | *ctl = rtc_data->io + STMP3XXX_RTC_CTRL; |
105 | 125 | ||
106 | if (enabled) { | 126 | if (enabled) { |
107 | stmp3xxx_setl(BM_RTC_PERSISTENT0_ALARM_EN | | 127 | stmp3xxx_setl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | |
108 | BM_RTC_PERSISTENT0_ALARM_WAKE_EN, p); | 128 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN, p); |
109 | stmp3xxx_setl(BM_RTC_CTRL_ALARM_IRQ_EN, ctl); | 129 | stmp3xxx_setl(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, ctl); |
110 | } else { | 130 | } else { |
111 | stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN | | 131 | stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | |
112 | BM_RTC_PERSISTENT0_ALARM_WAKE_EN, p); | 132 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN, p); |
113 | stmp3xxx_clearl(BM_RTC_CTRL_ALARM_IRQ_EN, ctl); | 133 | stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, ctl); |
114 | } | 134 | } |
115 | return 0; | 135 | return 0; |
116 | } | 136 | } |
@@ -119,7 +139,8 @@ static int stmp3xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm) | |||
119 | { | 139 | { |
120 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); | 140 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); |
121 | 141 | ||
122 | rtc_time_to_tm(__raw_readl(rtc_data->io + HW_RTC_ALARM), &alm->time); | 142 | rtc_time_to_tm(__raw_readl(rtc_data->io + STMP3XXX_RTC_ALARM), |
143 | &alm->time); | ||
123 | return 0; | 144 | return 0; |
124 | } | 145 | } |
125 | 146 | ||
@@ -129,7 +150,7 @@ static int stmp3xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) | |||
129 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); | 150 | struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); |
130 | 151 | ||
131 | rtc_tm_to_time(&alm->time, &t); | 152 | rtc_tm_to_time(&alm->time, &t); |
132 | __raw_writel(t, rtc_data->io + HW_RTC_ALARM); | 153 | __raw_writel(t, rtc_data->io + STMP3XXX_RTC_ALARM); |
133 | return 0; | 154 | return 0; |
134 | } | 155 | } |
135 | 156 | ||
@@ -149,8 +170,9 @@ static int stmp3xxx_rtc_remove(struct platform_device *pdev) | |||
149 | if (!rtc_data) | 170 | if (!rtc_data) |
150 | return 0; | 171 | return 0; |
151 | 172 | ||
152 | stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ_EN | BM_RTC_CTRL_ALARM_IRQ_EN, | 173 | stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN | |
153 | rtc_data->io + HW_RTC_CTRL); | 174 | STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, |
175 | rtc_data->io + STMP3XXX_RTC_CTRL); | ||
154 | free_irq(rtc_data->irq_alarm, &pdev->dev); | 176 | free_irq(rtc_data->irq_alarm, &pdev->dev); |
155 | free_irq(rtc_data->irq_1msec, &pdev->dev); | 177 | free_irq(rtc_data->irq_1msec, &pdev->dev); |
156 | rtc_device_unregister(rtc_data->rtc); | 178 | rtc_device_unregister(rtc_data->rtc); |
@@ -187,18 +209,18 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev) | |||
187 | rtc_data->irq_alarm = platform_get_irq(pdev, 0); | 209 | rtc_data->irq_alarm = platform_get_irq(pdev, 0); |
188 | rtc_data->irq_1msec = platform_get_irq(pdev, 1); | 210 | rtc_data->irq_1msec = platform_get_irq(pdev, 1); |
189 | 211 | ||
190 | if (!(__raw_readl(HW_RTC_STAT + rtc_data->io) & | 212 | if (!(__raw_readl(STMP3XXX_RTC_STAT + rtc_data->io) & |
191 | BM_RTC_STAT_RTC_PRESENT)) { | 213 | STMP3XXX_RTC_STAT_RTC_PRESENT)) { |
192 | dev_err(&pdev->dev, "no device onboard\n"); | 214 | dev_err(&pdev->dev, "no device onboard\n"); |
193 | err = -ENODEV; | 215 | err = -ENODEV; |
194 | goto out_remap; | 216 | goto out_remap; |
195 | } | 217 | } |
196 | 218 | ||
197 | stmp3xxx_reset_block(rtc_data->io, true); | 219 | stmp3xxx_reset_block(rtc_data->io, true); |
198 | stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN | | 220 | stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | |
199 | BM_RTC_PERSISTENT0_ALARM_WAKE_EN | | 221 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN | |
200 | BM_RTC_PERSISTENT0_ALARM_WAKE, | 222 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE, |
201 | rtc_data->io + HW_RTC_PERSISTENT0); | 223 | rtc_data->io + STMP3XXX_RTC_PERSISTENT0); |
202 | rtc_data->rtc = rtc_device_register(pdev->name, &pdev->dev, | 224 | rtc_data->rtc = rtc_device_register(pdev->name, &pdev->dev, |
203 | &stmp3xxx_rtc_ops, THIS_MODULE); | 225 | &stmp3xxx_rtc_ops, THIS_MODULE); |
204 | if (IS_ERR(rtc_data->rtc)) { | 226 | if (IS_ERR(rtc_data->rtc)) { |
@@ -229,8 +251,9 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev) | |||
229 | out_irq1: | 251 | out_irq1: |
230 | free_irq(rtc_data->irq_alarm, &pdev->dev); | 252 | free_irq(rtc_data->irq_alarm, &pdev->dev); |
231 | out_irq_alarm: | 253 | out_irq_alarm: |
232 | stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ_EN | BM_RTC_CTRL_ALARM_IRQ_EN, | 254 | stmp3xxx_clearl(STMP3XXX_RTC_CTRL_ONEMSEC_IRQ_EN | |
233 | rtc_data->io + HW_RTC_CTRL); | 255 | STMP3XXX_RTC_CTRL_ALARM_IRQ_EN, |
256 | rtc_data->io + STMP3XXX_RTC_CTRL); | ||
234 | rtc_device_unregister(rtc_data->rtc); | 257 | rtc_device_unregister(rtc_data->rtc); |
235 | out_remap: | 258 | out_remap: |
236 | iounmap(rtc_data->io); | 259 | iounmap(rtc_data->io); |
@@ -250,10 +273,10 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev) | |||
250 | struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev); | 273 | struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev); |
251 | 274 | ||
252 | stmp3xxx_reset_block(rtc_data->io, true); | 275 | stmp3xxx_reset_block(rtc_data->io, true); |
253 | stmp3xxx_clearl(BM_RTC_PERSISTENT0_ALARM_EN | | 276 | stmp3xxx_clearl(STMP3XXX_RTC_PERSISTENT0_ALARM_EN | |
254 | BM_RTC_PERSISTENT0_ALARM_WAKE_EN | | 277 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE_EN | |
255 | BM_RTC_PERSISTENT0_ALARM_WAKE, | 278 | STMP3XXX_RTC_PERSISTENT0_ALARM_WAKE, |
256 | rtc_data->io + HW_RTC_PERSISTENT0); | 279 | rtc_data->io + STMP3XXX_RTC_PERSISTENT0); |
257 | return 0; | 280 | return 0; |
258 | } | 281 | } |
259 | #else | 282 | #else |