diff options
Diffstat (limited to 'arch/arm/mach-mxc91231')
-rw-r--r-- | arch/arm/mach-mxc91231/Kconfig | 11 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/Makefile.boot | 3 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/clock.c | 642 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/crm_regs.h | 399 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/devices.c | 251 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/devices.h | 13 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/iomux.c | 177 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/magx-zn5.c | 63 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/mm.c | 94 | ||||
-rw-r--r-- | arch/arm/mach-mxc91231/system.c | 51 |
11 files changed, 1706 insertions, 0 deletions
diff --git a/arch/arm/mach-mxc91231/Kconfig b/arch/arm/mach-mxc91231/Kconfig new file mode 100644 index 000000000000..8e5fa38ebb67 --- /dev/null +++ b/arch/arm/mach-mxc91231/Kconfig | |||
@@ -0,0 +1,11 @@ | |||
1 | if ARCH_MXC91231 | ||
2 | |||
3 | comment "MXC91231 platforms:" | ||
4 | |||
5 | config MACH_MAGX_ZN5 | ||
6 | bool "Support Motorola Zn5 GSM phone" | ||
7 | default n | ||
8 | help | ||
9 | Include support for Motorola Zn5 GSM phone. | ||
10 | |||
11 | endif | ||
diff --git a/arch/arm/mach-mxc91231/Makefile b/arch/arm/mach-mxc91231/Makefile new file mode 100644 index 000000000000..011d5e197125 --- /dev/null +++ b/arch/arm/mach-mxc91231/Makefile | |||
@@ -0,0 +1,2 @@ | |||
1 | obj-y := mm.o clock.o devices.o system.o iomux.o | ||
2 | obj-$(CONFIG_MACH_MAGX_ZN5) += magx-zn5.o | ||
diff --git a/arch/arm/mach-mxc91231/Makefile.boot b/arch/arm/mach-mxc91231/Makefile.boot new file mode 100644 index 000000000000..9939a19d99a1 --- /dev/null +++ b/arch/arm/mach-mxc91231/Makefile.boot | |||
@@ -0,0 +1,3 @@ | |||
1 | zreladdr-y := 0x90008000 | ||
2 | params_phys-y := 0x90000100 | ||
3 | initrd_phys-y := 0x90800000 | ||
diff --git a/arch/arm/mach-mxc91231/clock.c b/arch/arm/mach-mxc91231/clock.c new file mode 100644 index 000000000000..ecfa37fef8ad --- /dev/null +++ b/arch/arm/mach-mxc91231/clock.c | |||
@@ -0,0 +1,642 @@ | |||
1 | #include <linux/clk.h> | ||
2 | #include <linux/kernel.h> | ||
3 | #include <linux/init.h> | ||
4 | #include <linux/io.h> | ||
5 | |||
6 | #include <mach/clock.h> | ||
7 | #include <mach/hardware.h> | ||
8 | #include <mach/common.h> | ||
9 | |||
10 | #include <asm/clkdev.h> | ||
11 | #include <asm/bug.h> | ||
12 | #include <asm/div64.h> | ||
13 | |||
14 | #include "crm_regs.h" | ||
15 | |||
16 | #define CRM_SMALL_DIVIDER(base, name) \ | ||
17 | crm_small_divider(base, \ | ||
18 | base ## _ ## name ## _OFFSET, \ | ||
19 | base ## _ ## name ## _MASK) | ||
20 | #define CRM_1DIVIDER(base, name) \ | ||
21 | crm_divider(base, \ | ||
22 | base ## _ ## name ## _OFFSET, \ | ||
23 | base ## _ ## name ## _MASK, 1) | ||
24 | #define CRM_16DIVIDER(base, name) \ | ||
25 | crm_divider(base, \ | ||
26 | base ## _ ## name ## _OFFSET, \ | ||
27 | base ## _ ## name ## _MASK, 16) | ||
28 | |||
29 | static u32 crm_small_divider(void __iomem *reg, u8 offset, u32 mask) | ||
30 | { | ||
31 | static const u32 crm_small_dividers[] = { | ||
32 | 2, 3, 4, 5, 6, 8, 10, 12 | ||
33 | }; | ||
34 | u8 idx; | ||
35 | |||
36 | idx = (__raw_readl(reg) & mask) >> offset; | ||
37 | if (idx > 7) | ||
38 | return 1; | ||
39 | |||
40 | return crm_small_dividers[idx]; | ||
41 | } | ||
42 | |||
43 | static u32 crm_divider(void __iomem *reg, u8 offset, u32 mask, u32 z) | ||
44 | { | ||
45 | u32 div; | ||
46 | div = (__raw_readl(reg) & mask) >> offset; | ||
47 | return div ? div : z; | ||
48 | } | ||
49 | |||
50 | static int _clk_1bit_enable(struct clk *clk) | ||
51 | { | ||
52 | u32 reg; | ||
53 | |||
54 | reg = __raw_readl(clk->enable_reg); | ||
55 | reg |= 1 << clk->enable_shift; | ||
56 | __raw_writel(reg, clk->enable_reg); | ||
57 | |||
58 | return 0; | ||
59 | } | ||
60 | |||
61 | static void _clk_1bit_disable(struct clk *clk) | ||
62 | { | ||
63 | u32 reg; | ||
64 | |||
65 | reg = __raw_readl(clk->enable_reg); | ||
66 | reg &= ~(1 << clk->enable_shift); | ||
67 | __raw_writel(reg, clk->enable_reg); | ||
68 | } | ||
69 | |||
70 | static int _clk_3bit_enable(struct clk *clk) | ||
71 | { | ||
72 | u32 reg; | ||
73 | |||
74 | reg = __raw_readl(clk->enable_reg); | ||
75 | reg |= 0x7 << clk->enable_shift; | ||
76 | __raw_writel(reg, clk->enable_reg); | ||
77 | |||
78 | return 0; | ||
79 | } | ||
80 | |||
81 | static void _clk_3bit_disable(struct clk *clk) | ||
82 | { | ||
83 | u32 reg; | ||
84 | |||
85 | reg = __raw_readl(clk->enable_reg); | ||
86 | reg &= ~(0x7 << clk->enable_shift); | ||
87 | __raw_writel(reg, clk->enable_reg); | ||
88 | } | ||
89 | |||
90 | static unsigned long ckih_rate; | ||
91 | |||
92 | static unsigned long clk_ckih_get_rate(struct clk *clk) | ||
93 | { | ||
94 | return ckih_rate; | ||
95 | } | ||
96 | |||
97 | static struct clk ckih_clk = { | ||
98 | .get_rate = clk_ckih_get_rate, | ||
99 | }; | ||
100 | |||
101 | static unsigned long clk_ckih_x2_get_rate(struct clk *clk) | ||
102 | { | ||
103 | return 2 * clk_get_rate(clk->parent); | ||
104 | } | ||
105 | |||
106 | static struct clk ckih_x2_clk = { | ||
107 | .parent = &ckih_clk, | ||
108 | .get_rate = clk_ckih_x2_get_rate, | ||
109 | }; | ||
110 | |||
111 | static unsigned long clk_ckil_get_rate(struct clk *clk) | ||
112 | { | ||
113 | return CKIL_CLK_FREQ; | ||
114 | } | ||
115 | |||
116 | static struct clk ckil_clk = { | ||
117 | .get_rate = clk_ckil_get_rate, | ||
118 | }; | ||
119 | |||
120 | /* plls stuff */ | ||
121 | static struct clk mcu_pll_clk; | ||
122 | static struct clk dsp_pll_clk; | ||
123 | static struct clk usb_pll_clk; | ||
124 | |||
125 | static struct clk *pll_clk(u8 sel) | ||
126 | { | ||
127 | switch (sel) { | ||
128 | case 0: | ||
129 | return &mcu_pll_clk; | ||
130 | case 1: | ||
131 | return &dsp_pll_clk; | ||
132 | case 2: | ||
133 | return &usb_pll_clk; | ||
134 | } | ||
135 | BUG(); | ||
136 | } | ||
137 | |||
138 | static void __iomem *pll_base(struct clk *clk) | ||
139 | { | ||
140 | if (clk == &mcu_pll_clk) | ||
141 | return MXC_PLL0_BASE; | ||
142 | else if (clk == &dsp_pll_clk) | ||
143 | return MXC_PLL1_BASE; | ||
144 | else if (clk == &usb_pll_clk) | ||
145 | return MXC_PLL2_BASE; | ||
146 | BUG(); | ||
147 | } | ||
148 | |||
149 | static unsigned long clk_pll_get_rate(struct clk *clk) | ||
150 | { | ||
151 | const void __iomem *pllbase; | ||
152 | unsigned long dp_op, dp_mfd, dp_mfn, pll_hfsm, ref_clk, mfi; | ||
153 | long mfn, mfn_abs, mfd, pdf; | ||
154 | s64 temp; | ||
155 | pllbase = pll_base(clk); | ||
156 | |||
157 | pll_hfsm = __raw_readl(pllbase + MXC_PLL_DP_CTL) & MXC_PLL_DP_CTL_HFSM; | ||
158 | if (pll_hfsm == 0) { | ||
159 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP); | ||
160 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD); | ||
161 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN); | ||
162 | } else { | ||
163 | dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP); | ||
164 | dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD); | ||
165 | dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN); | ||
166 | } | ||
167 | |||
168 | pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK; | ||
169 | mfi = (dp_op >> MXC_PLL_DP_OP_MFI_OFFSET) & MXC_PLL_DP_OP_PDF_MASK; | ||
170 | mfi = (mfi <= 5) ? 5 : mfi; | ||
171 | mfd = dp_mfd & MXC_PLL_DP_MFD_MASK; | ||
172 | mfn = dp_mfn & MXC_PLL_DP_MFN_MASK; | ||
173 | mfn = (mfn <= 0x4000000) ? mfn : (mfn - 0x10000000); | ||
174 | |||
175 | if (mfn < 0) | ||
176 | mfn_abs = -mfn; | ||
177 | else | ||
178 | mfn_abs = mfn; | ||
179 | |||
180 | /* XXX: actually this asumes that ckih is fed to pll, but spec says | ||
181 | * that ckih_x2 is also possible. need to check this out. | ||
182 | */ | ||
183 | ref_clk = clk_get_rate(&ckih_clk); | ||
184 | |||
185 | ref_clk *= 2; | ||
186 | ref_clk /= pdf + 1; | ||
187 | |||
188 | temp = (u64) ref_clk * mfn_abs; | ||
189 | do_div(temp, mfd); | ||
190 | if (mfn < 0) | ||
191 | temp = -temp; | ||
192 | temp += ref_clk * mfi; | ||
193 | |||
194 | return temp; | ||
195 | } | ||
196 | |||
197 | static int clk_pll_enable(struct clk *clk) | ||
198 | { | ||
199 | void __iomem *ctl; | ||
200 | u32 reg; | ||
201 | |||
202 | ctl = pll_base(clk); | ||
203 | reg = __raw_readl(ctl); | ||
204 | reg |= (MXC_PLL_DP_CTL_RST | MXC_PLL_DP_CTL_UPEN); | ||
205 | __raw_writel(reg, ctl); | ||
206 | do { | ||
207 | reg = __raw_readl(ctl); | ||
208 | } while ((reg & MXC_PLL_DP_CTL_LRF) != MXC_PLL_DP_CTL_LRF); | ||
209 | return 0; | ||
210 | } | ||
211 | |||
212 | static void clk_pll_disable(struct clk *clk) | ||
213 | { | ||
214 | void __iomem *ctl; | ||
215 | u32 reg; | ||
216 | |||
217 | ctl = pll_base(clk); | ||
218 | reg = __raw_readl(ctl); | ||
219 | reg &= ~(MXC_PLL_DP_CTL_RST | MXC_PLL_DP_CTL_UPEN); | ||
220 | __raw_writel(reg, ctl); | ||
221 | } | ||
222 | |||
223 | static struct clk mcu_pll_clk = { | ||
224 | .parent = &ckih_clk, | ||
225 | .get_rate = clk_pll_get_rate, | ||
226 | .enable = clk_pll_enable, | ||
227 | .disable = clk_pll_disable, | ||
228 | }; | ||
229 | |||
230 | static struct clk dsp_pll_clk = { | ||
231 | .parent = &ckih_clk, | ||
232 | .get_rate = clk_pll_get_rate, | ||
233 | .enable = clk_pll_enable, | ||
234 | .disable = clk_pll_disable, | ||
235 | }; | ||
236 | |||
237 | static struct clk usb_pll_clk = { | ||
238 | .parent = &ckih_clk, | ||
239 | .get_rate = clk_pll_get_rate, | ||
240 | .enable = clk_pll_enable, | ||
241 | .disable = clk_pll_disable, | ||
242 | }; | ||
243 | /* plls stuff end */ | ||
244 | |||
245 | /* ap_ref_clk stuff */ | ||
246 | static struct clk ap_ref_clk; | ||
247 | |||
248 | static unsigned long clk_ap_ref_get_rate(struct clk *clk) | ||
249 | { | ||
250 | u32 ascsr, acsr; | ||
251 | u8 ap_pat_ref_div_2, ap_isel, acs, ads; | ||
252 | |||
253 | ascsr = __raw_readl(MXC_CRMAP_ASCSR); | ||
254 | acsr = __raw_readl(MXC_CRMAP_ACSR); | ||
255 | |||
256 | /* 0 for ckih, 1 for ckih*2 */ | ||
257 | ap_isel = ascsr & MXC_CRMAP_ASCSR_APISEL; | ||
258 | /* reg divider */ | ||
259 | ap_pat_ref_div_2 = (ascsr >> MXC_CRMAP_ASCSR_AP_PATDIV2_OFFSET) & 0x1; | ||
260 | /* undocumented, 1 for disabling divider */ | ||
261 | ads = (acsr >> MXC_CRMAP_ACSR_ADS_OFFSET) & 0x1; | ||
262 | /* 0 for pat_ref, 1 for divider out */ | ||
263 | acs = acsr & MXC_CRMAP_ACSR_ACS; | ||
264 | |||
265 | if (acs & !ads) | ||
266 | /* use divided clock */ | ||
267 | return clk_get_rate(clk->parent) / (ap_pat_ref_div_2 ? 2 : 1); | ||
268 | |||
269 | return clk_get_rate(clk->parent) * (ap_isel ? 2 : 1); | ||
270 | } | ||
271 | |||
272 | static struct clk ap_ref_clk = { | ||
273 | .parent = &ckih_clk, | ||
274 | .get_rate = clk_ap_ref_get_rate, | ||
275 | }; | ||
276 | /* ap_ref_clk stuff end */ | ||
277 | |||
278 | /* ap_pre_dfs_clk stuff */ | ||
279 | static struct clk ap_pre_dfs_clk; | ||
280 | |||
281 | static unsigned long clk_ap_pre_dfs_get_rate(struct clk *clk) | ||
282 | { | ||
283 | u32 acsr, ascsr; | ||
284 | |||
285 | acsr = __raw_readl(MXC_CRMAP_ACSR); | ||
286 | ascsr = __raw_readl(MXC_CRMAP_ASCSR); | ||
287 | |||
288 | if (acsr & MXC_CRMAP_ACSR_ACS) { | ||
289 | u8 sel; | ||
290 | sel = (ascsr & MXC_CRMAP_ASCSR_APSEL_MASK) >> | ||
291 | MXC_CRMAP_ASCSR_APSEL_OFFSET; | ||
292 | return clk_get_rate(pll_clk(sel)) / | ||
293 | CRM_SMALL_DIVIDER(MXC_CRMAP_ACDR, ARMDIV); | ||
294 | } | ||
295 | return clk_get_rate(&ap_ref_clk); | ||
296 | } | ||
297 | |||
298 | static struct clk ap_pre_dfs_clk = { | ||
299 | .get_rate = clk_ap_pre_dfs_get_rate, | ||
300 | }; | ||
301 | /* ap_pre_dfs_clk stuff end */ | ||
302 | |||
303 | /* usb_clk stuff */ | ||
304 | static struct clk usb_clk; | ||
305 | |||
306 | static struct clk *clk_usb_parent(struct clk *clk) | ||
307 | { | ||
308 | u32 acsr, ascsr; | ||
309 | |||
310 | acsr = __raw_readl(MXC_CRMAP_ACSR); | ||
311 | ascsr = __raw_readl(MXC_CRMAP_ASCSR); | ||
312 | |||
313 | if (acsr & MXC_CRMAP_ACSR_ACS) { | ||
314 | u8 sel; | ||
315 | sel = (ascsr & MXC_CRMAP_ASCSR_USBSEL_MASK) >> | ||
316 | MXC_CRMAP_ASCSR_USBSEL_OFFSET; | ||
317 | return pll_clk(sel); | ||
318 | } | ||
319 | return &ap_ref_clk; | ||
320 | } | ||
321 | |||
322 | static unsigned long clk_usb_get_rate(struct clk *clk) | ||
323 | { | ||
324 | return clk_get_rate(clk->parent) / | ||
325 | CRM_SMALL_DIVIDER(MXC_CRMAP_ACDER2, USBDIV); | ||
326 | } | ||
327 | |||
328 | static struct clk usb_clk = { | ||
329 | .enable_reg = MXC_CRMAP_ACDER2, | ||
330 | .enable_shift = MXC_CRMAP_ACDER2_USBEN_OFFSET, | ||
331 | .get_rate = clk_usb_get_rate, | ||
332 | .enable = _clk_1bit_enable, | ||
333 | .disable = _clk_1bit_disable, | ||
334 | }; | ||
335 | /* usb_clk stuff end */ | ||
336 | |||
337 | static unsigned long clk_ipg_get_rate(struct clk *clk) | ||
338 | { | ||
339 | return clk_get_rate(clk->parent) / CRM_16DIVIDER(MXC_CRMAP_ACDR, IPDIV); | ||
340 | } | ||
341 | |||
342 | static unsigned long clk_ahb_get_rate(struct clk *clk) | ||
343 | { | ||
344 | return clk_get_rate(clk->parent) / | ||
345 | CRM_16DIVIDER(MXC_CRMAP_ACDR, AHBDIV); | ||
346 | } | ||
347 | |||
348 | static struct clk ipg_clk = { | ||
349 | .parent = &ap_pre_dfs_clk, | ||
350 | .get_rate = clk_ipg_get_rate, | ||
351 | }; | ||
352 | |||
353 | static struct clk ahb_clk = { | ||
354 | .parent = &ap_pre_dfs_clk, | ||
355 | .get_rate = clk_ahb_get_rate, | ||
356 | }; | ||
357 | |||
358 | /* perclk_clk stuff */ | ||
359 | static struct clk perclk_clk; | ||
360 | |||
361 | static unsigned long clk_perclk_get_rate(struct clk *clk) | ||
362 | { | ||
363 | u32 acder2; | ||
364 | |||
365 | acder2 = __raw_readl(MXC_CRMAP_ACDER2); | ||
366 | if (acder2 & MXC_CRMAP_ACDER2_BAUD_ISEL_MASK) | ||
367 | return 2 * clk_get_rate(clk->parent); | ||
368 | |||
369 | return clk_get_rate(clk->parent); | ||
370 | } | ||
371 | |||
372 | static struct clk perclk_clk = { | ||
373 | .parent = &ckih_clk, | ||
374 | .get_rate = clk_perclk_get_rate, | ||
375 | }; | ||
376 | /* perclk_clk stuff end */ | ||
377 | |||
378 | /* uart_clk stuff */ | ||
379 | static struct clk uart_clk[]; | ||
380 | |||
381 | static unsigned long clk_uart_get_rate(struct clk *clk) | ||
382 | { | ||
383 | u32 div; | ||
384 | |||
385 | switch (clk->id) { | ||
386 | case 0: | ||
387 | case 1: | ||
388 | div = CRM_SMALL_DIVIDER(MXC_CRMAP_ACDER2, BAUDDIV); | ||
389 | break; | ||
390 | case 2: | ||
391 | div = CRM_SMALL_DIVIDER(MXC_CRMAP_APRA, UART3DIV); | ||
392 | break; | ||
393 | default: | ||
394 | BUG(); | ||
395 | } | ||
396 | return clk_get_rate(clk->parent) / div; | ||
397 | } | ||
398 | |||
399 | static struct clk uart_clk[] = { | ||
400 | { | ||
401 | .id = 0, | ||
402 | .parent = &perclk_clk, | ||
403 | .enable_reg = MXC_CRMAP_APRA, | ||
404 | .enable_shift = MXC_CRMAP_APRA_UART1EN_OFFSET, | ||
405 | .get_rate = clk_uart_get_rate, | ||
406 | .enable = _clk_1bit_enable, | ||
407 | .disable = _clk_1bit_disable, | ||
408 | }, { | ||
409 | .id = 1, | ||
410 | .parent = &perclk_clk, | ||
411 | .enable_reg = MXC_CRMAP_APRA, | ||
412 | .enable_shift = MXC_CRMAP_APRA_UART2EN_OFFSET, | ||
413 | .get_rate = clk_uart_get_rate, | ||
414 | .enable = _clk_1bit_enable, | ||
415 | .disable = _clk_1bit_disable, | ||
416 | }, { | ||
417 | .id = 2, | ||
418 | .parent = &perclk_clk, | ||
419 | .enable_reg = MXC_CRMAP_APRA, | ||
420 | .enable_shift = MXC_CRMAP_APRA_UART3EN_OFFSET, | ||
421 | .get_rate = clk_uart_get_rate, | ||
422 | .enable = _clk_1bit_enable, | ||
423 | .disable = _clk_1bit_disable, | ||
424 | }, | ||
425 | }; | ||
426 | /* uart_clk stuff end */ | ||
427 | |||
428 | /* sdhc_clk stuff */ | ||
429 | static struct clk nfc_clk; | ||
430 | |||
431 | static unsigned long clk_nfc_get_rate(struct clk *clk) | ||
432 | { | ||
433 | return clk_get_rate(clk->parent) / | ||
434 | CRM_1DIVIDER(MXC_CRMAP_ACDER2, NFCDIV); | ||
435 | } | ||
436 | |||
437 | static struct clk nfc_clk = { | ||
438 | .parent = &ahb_clk, | ||
439 | .enable_reg = MXC_CRMAP_ACDER2, | ||
440 | .enable_shift = MXC_CRMAP_ACDER2_NFCEN_OFFSET, | ||
441 | .get_rate = clk_nfc_get_rate, | ||
442 | .enable = _clk_1bit_enable, | ||
443 | .disable = _clk_1bit_disable, | ||
444 | }; | ||
445 | /* sdhc_clk stuff end */ | ||
446 | |||
447 | /* sdhc_clk stuff */ | ||
448 | static struct clk sdhc_clk[]; | ||
449 | |||
450 | static struct clk *clk_sdhc_parent(struct clk *clk) | ||
451 | { | ||
452 | u32 aprb; | ||
453 | u8 sel; | ||
454 | u32 mask; | ||
455 | int offset; | ||
456 | |||
457 | aprb = __raw_readl(MXC_CRMAP_APRB); | ||
458 | |||
459 | switch (clk->id) { | ||
460 | case 0: | ||
461 | mask = MXC_CRMAP_APRB_SDHC1_ISEL_MASK; | ||
462 | offset = MXC_CRMAP_APRB_SDHC1_ISEL_OFFSET; | ||
463 | break; | ||
464 | case 1: | ||
465 | mask = MXC_CRMAP_APRB_SDHC2_ISEL_MASK; | ||
466 | offset = MXC_CRMAP_APRB_SDHC2_ISEL_OFFSET; | ||
467 | break; | ||
468 | default: | ||
469 | BUG(); | ||
470 | } | ||
471 | sel = (aprb & mask) >> offset; | ||
472 | |||
473 | switch (sel) { | ||
474 | case 0: | ||
475 | return &ckih_clk; | ||
476 | case 1: | ||
477 | return &ckih_x2_clk; | ||
478 | } | ||
479 | return &usb_clk; | ||
480 | } | ||
481 | |||
482 | static unsigned long clk_sdhc_get_rate(struct clk *clk) | ||
483 | { | ||
484 | u32 div; | ||
485 | |||
486 | switch (clk->id) { | ||
487 | case 0: | ||
488 | div = CRM_SMALL_DIVIDER(MXC_CRMAP_APRB, SDHC1_DIV); | ||
489 | break; | ||
490 | case 1: | ||
491 | div = CRM_SMALL_DIVIDER(MXC_CRMAP_APRB, SDHC2_DIV); | ||
492 | break; | ||
493 | default: | ||
494 | BUG(); | ||
495 | } | ||
496 | |||
497 | return clk_get_rate(clk->parent) / div; | ||
498 | } | ||
499 | |||
500 | static int clk_sdhc_enable(struct clk *clk) | ||
501 | { | ||
502 | u32 amlpmre1, aprb; | ||
503 | |||
504 | amlpmre1 = __raw_readl(MXC_CRMAP_AMLPMRE1); | ||
505 | aprb = __raw_readl(MXC_CRMAP_APRB); | ||
506 | switch (clk->id) { | ||
507 | case 0: | ||
508 | amlpmre1 |= (0x7 << MXC_CRMAP_AMLPMRE1_MLPME4_OFFSET); | ||
509 | aprb |= (0x1 << MXC_CRMAP_APRB_SDHC1EN_OFFSET); | ||
510 | break; | ||
511 | case 1: | ||
512 | amlpmre1 |= (0x7 << MXC_CRMAP_AMLPMRE1_MLPME5_OFFSET); | ||
513 | aprb |= (0x1 << MXC_CRMAP_APRB_SDHC2EN_OFFSET); | ||
514 | break; | ||
515 | } | ||
516 | __raw_writel(amlpmre1, MXC_CRMAP_AMLPMRE1); | ||
517 | __raw_writel(aprb, MXC_CRMAP_APRB); | ||
518 | return 0; | ||
519 | } | ||
520 | |||
521 | static void clk_sdhc_disable(struct clk *clk) | ||
522 | { | ||
523 | u32 amlpmre1, aprb; | ||
524 | |||
525 | amlpmre1 = __raw_readl(MXC_CRMAP_AMLPMRE1); | ||
526 | aprb = __raw_readl(MXC_CRMAP_APRB); | ||
527 | switch (clk->id) { | ||
528 | case 0: | ||
529 | amlpmre1 &= ~(0x7 << MXC_CRMAP_AMLPMRE1_MLPME4_OFFSET); | ||
530 | aprb &= ~(0x1 << MXC_CRMAP_APRB_SDHC1EN_OFFSET); | ||
531 | break; | ||
532 | case 1: | ||
533 | amlpmre1 &= ~(0x7 << MXC_CRMAP_AMLPMRE1_MLPME5_OFFSET); | ||
534 | aprb &= ~(0x1 << MXC_CRMAP_APRB_SDHC2EN_OFFSET); | ||
535 | break; | ||
536 | } | ||
537 | __raw_writel(amlpmre1, MXC_CRMAP_AMLPMRE1); | ||
538 | __raw_writel(aprb, MXC_CRMAP_APRB); | ||
539 | } | ||
540 | |||
541 | static struct clk sdhc_clk[] = { | ||
542 | { | ||
543 | .id = 0, | ||
544 | .get_rate = clk_sdhc_get_rate, | ||
545 | .enable = clk_sdhc_enable, | ||
546 | .disable = clk_sdhc_disable, | ||
547 | }, { | ||
548 | .id = 1, | ||
549 | .get_rate = clk_sdhc_get_rate, | ||
550 | .enable = clk_sdhc_enable, | ||
551 | .disable = clk_sdhc_disable, | ||
552 | }, | ||
553 | }; | ||
554 | /* sdhc_clk stuff end */ | ||
555 | |||
556 | /* wdog_clk stuff */ | ||
557 | static struct clk wdog_clk[] = { | ||
558 | { | ||
559 | .id = 0, | ||
560 | .parent = &ipg_clk, | ||
561 | .enable_reg = MXC_CRMAP_AMLPMRD, | ||
562 | .enable_shift = MXC_CRMAP_AMLPMRD_MLPMD7_OFFSET, | ||
563 | .enable = _clk_3bit_enable, | ||
564 | .disable = _clk_3bit_disable, | ||
565 | }, { | ||
566 | .id = 1, | ||
567 | .parent = &ipg_clk, | ||
568 | .enable_reg = MXC_CRMAP_AMLPMRD, | ||
569 | .enable_shift = MXC_CRMAP_AMLPMRD_MLPMD3_OFFSET, | ||
570 | .enable = _clk_3bit_enable, | ||
571 | .disable = _clk_3bit_disable, | ||
572 | }, | ||
573 | }; | ||
574 | /* wdog_clk stuff end */ | ||
575 | |||
576 | /* gpt_clk stuff */ | ||
577 | static struct clk gpt_clk = { | ||
578 | .parent = &ipg_clk, | ||
579 | .enable_reg = MXC_CRMAP_AMLPMRC, | ||
580 | .enable_shift = MXC_CRMAP_AMLPMRC_MLPMC4_OFFSET, | ||
581 | .enable = _clk_3bit_enable, | ||
582 | .disable = _clk_3bit_disable, | ||
583 | }; | ||
584 | /* gpt_clk stuff end */ | ||
585 | |||
586 | /* cspi_clk stuff */ | ||
587 | static struct clk cspi_clk[] = { | ||
588 | { | ||
589 | .id = 0, | ||
590 | .parent = &ipg_clk, | ||
591 | .enable_reg = MXC_CRMAP_AMLPMRE2, | ||
592 | .enable_shift = MXC_CRMAP_AMLPMRE2_MLPME0_OFFSET, | ||
593 | .enable = _clk_3bit_enable, | ||
594 | .disable = _clk_3bit_disable, | ||
595 | }, { | ||
596 | .id = 1, | ||
597 | .parent = &ipg_clk, | ||
598 | .enable_reg = MXC_CRMAP_AMLPMRE1, | ||
599 | .enable_shift = MXC_CRMAP_AMLPMRE1_MLPME6_OFFSET, | ||
600 | .enable = _clk_3bit_enable, | ||
601 | .disable = _clk_3bit_disable, | ||
602 | }, | ||
603 | }; | ||
604 | /* cspi_clk stuff end */ | ||
605 | |||
606 | #define _REGISTER_CLOCK(d, n, c) \ | ||
607 | { \ | ||
608 | .dev_id = d, \ | ||
609 | .con_id = n, \ | ||
610 | .clk = &c, \ | ||
611 | }, | ||
612 | |||
613 | static struct clk_lookup lookups[] = { | ||
614 | _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk[0]) | ||
615 | _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk[1]) | ||
616 | _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk[2]) | ||
617 | _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc_clk[0]) | ||
618 | _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc_clk[1]) | ||
619 | _REGISTER_CLOCK("mxc-wdt.0", NULL, wdog_clk[0]) | ||
620 | _REGISTER_CLOCK("spi_imx.0", NULL, cspi_clk[0]) | ||
621 | _REGISTER_CLOCK("spi_imx.1", NULL, cspi_clk[1]) | ||
622 | }; | ||
623 | |||
624 | int __init mxc91231_clocks_init(unsigned long fref) | ||
625 | { | ||
626 | void __iomem *gpt_base; | ||
627 | int i; | ||
628 | |||
629 | ckih_rate = fref; | ||
630 | |||
631 | usb_clk.parent = clk_usb_parent(&usb_clk); | ||
632 | sdhc_clk[0].parent = clk_sdhc_parent(&sdhc_clk[0]); | ||
633 | sdhc_clk[1].parent = clk_sdhc_parent(&sdhc_clk[1]); | ||
634 | |||
635 | for (i = 0; i < ARRAY_SIZE(lookups); i++) | ||
636 | clkdev_add(&lookups[i]); | ||
637 | |||
638 | gpt_base = MXC91231_IO_ADDRESS(MXC91231_GPT1_BASE_ADDR); | ||
639 | mxc_timer_init(&gpt_clk, gpt_base, MXC91231_INT_GPT); | ||
640 | |||
641 | return 0; | ||
642 | } | ||
diff --git a/arch/arm/mach-mxc91231/crm_regs.h b/arch/arm/mach-mxc91231/crm_regs.h new file mode 100644 index 000000000000..ce4f59058189 --- /dev/null +++ b/arch/arm/mach-mxc91231/crm_regs.h | |||
@@ -0,0 +1,399 @@ | |||
1 | /* | ||
2 | * Copyright 2006 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2006-2007 Motorola, Inc. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | * | ||
19 | */ | ||
20 | |||
21 | #ifndef _ARCH_ARM_MACH_MXC91231_CRM_REGS_H_ | ||
22 | #define _ARCH_ARM_MACH_MXC91231_CRM_REGS_H_ | ||
23 | |||
24 | #define CKIL_CLK_FREQ 32768 | ||
25 | |||
26 | #define MXC_CRM_AP_BASE MXC91231_IO_ADDRESS(MXC91231_CRM_AP_BASE_ADDR) | ||
27 | #define MXC_CRM_COM_BASE MXC91231_IO_ADDRESS(MXC91231_CRM_COM_BASE_ADDR) | ||
28 | #define MXC_DSM_BASE MXC91231_IO_ADDRESS(MXC91231_DSM_BASE_ADDR) | ||
29 | #define MXC_PLL0_BASE MXC91231_IO_ADDRESS(MXC91231_PLL0_BASE_ADDR) | ||
30 | #define MXC_PLL1_BASE MXC91231_IO_ADDRESS(MXC91231_PLL1_BASE_ADDR) | ||
31 | #define MXC_PLL2_BASE MXC91231_IO_ADDRESS(MXC91231_PLL2_BASE_ADDR) | ||
32 | #define MXC_CLKCTL_BASE MXC91231_IO_ADDRESS(MXC91231_CLKCTL_BASE_ADDR) | ||
33 | |||
34 | /* PLL Register Offsets */ | ||
35 | #define MXC_PLL_DP_CTL 0x00 | ||
36 | #define MXC_PLL_DP_CONFIG 0x04 | ||
37 | #define MXC_PLL_DP_OP 0x08 | ||
38 | #define MXC_PLL_DP_MFD 0x0C | ||
39 | #define MXC_PLL_DP_MFN 0x10 | ||
40 | #define MXC_PLL_DP_HFS_OP 0x1C | ||
41 | #define MXC_PLL_DP_HFS_MFD 0x20 | ||
42 | #define MXC_PLL_DP_HFS_MFN 0x24 | ||
43 | |||
44 | /* PLL Register Bit definitions */ | ||
45 | #define MXC_PLL_DP_CTL_DPDCK0_2_EN 0x1000 | ||
46 | #define MXC_PLL_DP_CTL_ADE 0x800 | ||
47 | #define MXC_PLL_DP_CTL_REF_CLK_DIV 0x400 | ||
48 | #define MXC_PLL_DP_CTL_HFSM 0x80 | ||
49 | #define MXC_PLL_DP_CTL_PRE 0x40 | ||
50 | #define MXC_PLL_DP_CTL_UPEN 0x20 | ||
51 | #define MXC_PLL_DP_CTL_RST 0x10 | ||
52 | #define MXC_PLL_DP_CTL_RCP 0x8 | ||
53 | #define MXC_PLL_DP_CTL_PLM 0x4 | ||
54 | #define MXC_PLL_DP_CTL_BRM0 0x2 | ||
55 | #define MXC_PLL_DP_CTL_LRF 0x1 | ||
56 | |||
57 | #define MXC_PLL_DP_OP_MFI_OFFSET 4 | ||
58 | #define MXC_PLL_DP_OP_MFI_MASK 0xF | ||
59 | #define MXC_PLL_DP_OP_PDF_OFFSET 0 | ||
60 | #define MXC_PLL_DP_OP_PDF_MASK 0xF | ||
61 | |||
62 | #define MXC_PLL_DP_MFD_OFFSET 0 | ||
63 | #define MXC_PLL_DP_MFD_MASK 0x7FFFFFF | ||
64 | |||
65 | #define MXC_PLL_DP_MFN_OFFSET 0 | ||
66 | #define MXC_PLL_DP_MFN_MASK 0x7FFFFFF | ||
67 | |||
68 | /* CRM AP Register Offsets */ | ||
69 | #define MXC_CRMAP_ASCSR (MXC_CRM_AP_BASE + 0x00) | ||
70 | #define MXC_CRMAP_ACDR (MXC_CRM_AP_BASE + 0x04) | ||
71 | #define MXC_CRMAP_ACDER1 (MXC_CRM_AP_BASE + 0x08) | ||
72 | #define MXC_CRMAP_ACDER2 (MXC_CRM_AP_BASE + 0x0C) | ||
73 | #define MXC_CRMAP_ACGCR (MXC_CRM_AP_BASE + 0x10) | ||
74 | #define MXC_CRMAP_ACCGCR (MXC_CRM_AP_BASE + 0x14) | ||
75 | #define MXC_CRMAP_AMLPMRA (MXC_CRM_AP_BASE + 0x18) | ||
76 | #define MXC_CRMAP_AMLPMRB (MXC_CRM_AP_BASE + 0x1C) | ||
77 | #define MXC_CRMAP_AMLPMRC (MXC_CRM_AP_BASE + 0x20) | ||
78 | #define MXC_CRMAP_AMLPMRD (MXC_CRM_AP_BASE + 0x24) | ||
79 | #define MXC_CRMAP_AMLPMRE1 (MXC_CRM_AP_BASE + 0x28) | ||
80 | #define MXC_CRMAP_AMLPMRE2 (MXC_CRM_AP_BASE + 0x2C) | ||
81 | #define MXC_CRMAP_AMLPMRF (MXC_CRM_AP_BASE + 0x30) | ||
82 | #define MXC_CRMAP_AMLPMRG (MXC_CRM_AP_BASE + 0x34) | ||
83 | #define MXC_CRMAP_APGCR (MXC_CRM_AP_BASE + 0x38) | ||
84 | #define MXC_CRMAP_ACSR (MXC_CRM_AP_BASE + 0x3C) | ||
85 | #define MXC_CRMAP_ADCR (MXC_CRM_AP_BASE + 0x40) | ||
86 | #define MXC_CRMAP_ACR (MXC_CRM_AP_BASE + 0x44) | ||
87 | #define MXC_CRMAP_AMCR (MXC_CRM_AP_BASE + 0x48) | ||
88 | #define MXC_CRMAP_APCR (MXC_CRM_AP_BASE + 0x4C) | ||
89 | #define MXC_CRMAP_AMORA (MXC_CRM_AP_BASE + 0x50) | ||
90 | #define MXC_CRMAP_AMORB (MXC_CRM_AP_BASE + 0x54) | ||
91 | #define MXC_CRMAP_AGPR (MXC_CRM_AP_BASE + 0x58) | ||
92 | #define MXC_CRMAP_APRA (MXC_CRM_AP_BASE + 0x5C) | ||
93 | #define MXC_CRMAP_APRB (MXC_CRM_AP_BASE + 0x60) | ||
94 | #define MXC_CRMAP_APOR (MXC_CRM_AP_BASE + 0x64) | ||
95 | #define MXC_CRMAP_ADFMR (MXC_CRM_AP_BASE + 0x68) | ||
96 | |||
97 | /* CRM AP Register Bit definitions */ | ||
98 | #define MXC_CRMAP_ASCSR_CRS 0x10000 | ||
99 | #define MXC_CRMAP_ASCSR_AP_PATDIV2_OFFSET 15 | ||
100 | #define MXC_CRMAP_ASCSR_AP_PATREF_DIV2 0x8000 | ||
101 | #define MXC_CRMAP_ASCSR_USBSEL_OFFSET 13 | ||
102 | #define MXC_CRMAP_ASCSR_USBSEL_MASK (0x3 << 13) | ||
103 | #define MXC_CRMAP_ASCSR_CSISEL_OFFSET 11 | ||
104 | #define MXC_CRMAP_ASCSR_CSISEL_MASK (0x3 << 11) | ||
105 | #define MXC_CRMAP_ASCSR_SSI2SEL_OFFSET 7 | ||
106 | #define MXC_CRMAP_ASCSR_SSI2SEL_MASK (0x3 << 7) | ||
107 | #define MXC_CRMAP_ASCSR_SSI1SEL_OFFSET 5 | ||
108 | #define MXC_CRMAP_ASCSR_SSI1SEL_MASK (0x3 << 5) | ||
109 | #define MXC_CRMAP_ASCSR_APSEL_OFFSET 3 | ||
110 | #define MXC_CRMAP_ASCSR_APSEL_MASK (0x3 << 3) | ||
111 | #define MXC_CRMAP_ASCSR_AP_PATDIV1_OFFSET 2 | ||
112 | #define MXC_CRMAP_ASCSR_AP_PATREF_DIV1 0x4 | ||
113 | #define MXC_CRMAP_ASCSR_APISEL 0x1 | ||
114 | |||
115 | #define MXC_CRMAP_ACDR_ARMDIV_OFFSET 8 | ||
116 | #define MXC_CRMAP_ACDR_ARMDIV_MASK (0xF << 8) | ||
117 | #define MXC_CRMAP_ACDR_AHBDIV_OFFSET 4 | ||
118 | #define MXC_CRMAP_ACDR_AHBDIV_MASK (0xF << 4) | ||
119 | #define MXC_CRMAP_ACDR_IPDIV_OFFSET 0 | ||
120 | #define MXC_CRMAP_ACDR_IPDIV_MASK 0xF | ||
121 | |||
122 | #define MXC_CRMAP_ACDER1_CSIEN_OFFSET 30 | ||
123 | #define MXC_CRMAP_ACDER1_CSIDIV_OFFSET 24 | ||
124 | #define MXC_CRMAP_ACDER1_CSIDIV_MASK (0x3F << 24) | ||
125 | #define MXC_CRMAP_ACDER1_SSI2EN_OFFSET 14 | ||
126 | #define MXC_CRMAP_ACDER1_SSI2DIV_OFFSET 8 | ||
127 | #define MXC_CRMAP_ACDER1_SSI2DIV_MASK (0x3F << 8) | ||
128 | #define MXC_CRMAP_ACDER1_SSI1EN_OFFSET 6 | ||
129 | #define MXC_CRMAP_ACDER1_SSI1DIV_OFFSET 0 | ||
130 | #define MXC_CRMAP_ACDER1_SSI1DIV_MASK 0x3F | ||
131 | |||
132 | #define MXC_CRMAP_ACDER2_CRCT_CLK_DIV_OFFSET 24 | ||
133 | #define MXC_CRMAP_ACDER2_CRCT_CLK_DIV_MASK (0x7 << 24) | ||
134 | #define MXC_CRMAP_ACDER2_NFCEN_OFFSET 20 | ||
135 | #define MXC_CRMAP_ACDER2_NFCDIV_OFFSET 16 | ||
136 | #define MXC_CRMAP_ACDER2_NFCDIV_MASK (0xF << 16) | ||
137 | #define MXC_CRMAP_ACDER2_USBEN_OFFSET 12 | ||
138 | #define MXC_CRMAP_ACDER2_USBDIV_OFFSET 8 | ||
139 | #define MXC_CRMAP_ACDER2_USBDIV_MASK (0xF << 8) | ||
140 | #define MXC_CRMAP_ACDER2_BAUD_ISEL_OFFSET 5 | ||
141 | #define MXC_CRMAP_ACDER2_BAUD_ISEL_MASK (0x3 << 5) | ||
142 | #define MXC_CRMAP_ACDER2_BAUDDIV_OFFSET 0 | ||
143 | #define MXC_CRMAP_ACDER2_BAUDDIV_MASK 0xF | ||
144 | |||
145 | #define MXC_CRMAP_AMLPMRA_MLPMA7_OFFSET 22 | ||
146 | #define MXC_CRMAP_AMLPMRA_MLPMA7_MASK (0x7 << 22) | ||
147 | #define MXC_CRMAP_AMLPMRA_MLPMA6_OFFSET 19 | ||
148 | #define MXC_CRMAP_AMLPMRA_MLPMA6_MASK (0x7 << 19) | ||
149 | #define MXC_CRMAP_AMLPMRA_MLPMA4_OFFSET 12 | ||
150 | #define MXC_CRMAP_AMLPMRA_MLPMA4_MASK (0x7 << 12) | ||
151 | #define MXC_CRMAP_AMLPMRA_MLPMA3_OFFSET 9 | ||
152 | #define MXC_CRMAP_AMLPMRA_MLPMA3_MASK (0x7 << 9) | ||
153 | #define MXC_CRMAP_AMLPMRA_MLPMA2_OFFSET 6 | ||
154 | #define MXC_CRMAP_AMLPMRA_MLPMA2_MASK (0x7 << 6) | ||
155 | #define MXC_CRMAP_AMLPMRA_MLPMA1_OFFSET 3 | ||
156 | #define MXC_CRMAP_AMLPMRA_MLPMA1_MASK (0x7 << 3) | ||
157 | |||
158 | #define MXC_CRMAP_AMLPMRB_MLPMB0_OFFSET 0 | ||
159 | #define MXC_CRMAP_AMLPMRB_MLPMB0_MASK 0x7 | ||
160 | |||
161 | #define MXC_CRMAP_AMLPMRC_MLPMC9_OFFSET 28 | ||
162 | #define MXC_CRMAP_AMLPMRC_MLPMC9_MASK (0x7 << 28) | ||
163 | #define MXC_CRMAP_AMLPMRC_MLPMC7_OFFSET 22 | ||
164 | #define MXC_CRMAP_AMLPMRC_MLPMC7_MASK (0x7 << 22) | ||
165 | #define MXC_CRMAP_AMLPMRC_MLPMC5_OFFSET 16 | ||
166 | #define MXC_CRMAP_AMLPMRC_MLPMC5_MASK (0x7 << 16) | ||
167 | #define MXC_CRMAP_AMLPMRC_MLPMC4_OFFSET 12 | ||
168 | #define MXC_CRMAP_AMLPMRC_MLPMC4_MASK (0x7 << 12) | ||
169 | #define MXC_CRMAP_AMLPMRC_MLPMC3_OFFSET 9 | ||
170 | #define MXC_CRMAP_AMLPMRC_MLPMC3_MASK (0x7 << 9) | ||
171 | #define MXC_CRMAP_AMLPMRC_MLPMC2_OFFSET 6 | ||
172 | #define MXC_CRMAP_AMLPMRC_MLPMC2_MASK (0x7 << 6) | ||
173 | #define MXC_CRMAP_AMLPMRC_MLPMC1_OFFSET 3 | ||
174 | #define MXC_CRMAP_AMLPMRC_MLPMC1_MASK (0x7 << 3) | ||
175 | #define MXC_CRMAP_AMLPMRC_MLPMC0_OFFSET 0 | ||
176 | #define MXC_CRMAP_AMLPMRC_MLPMC0_MASK 0x7 | ||
177 | |||
178 | #define MXC_CRMAP_AMLPMRD_MLPMD7_OFFSET 22 | ||
179 | #define MXC_CRMAP_AMLPMRD_MLPMD7_MASK (0x7 << 22) | ||
180 | #define MXC_CRMAP_AMLPMRD_MLPMD4_OFFSET 12 | ||
181 | #define MXC_CRMAP_AMLPMRD_MLPMD4_MASK (0x7 << 12) | ||
182 | #define MXC_CRMAP_AMLPMRD_MLPMD3_OFFSET 9 | ||
183 | #define MXC_CRMAP_AMLPMRD_MLPMD3_MASK (0x7 << 9) | ||
184 | #define MXC_CRMAP_AMLPMRD_MLPMD2_OFFSET 6 | ||
185 | #define MXC_CRMAP_AMLPMRD_MLPMD2_MASK (0x7 << 6) | ||
186 | #define MXC_CRMAP_AMLPMRD_MLPMD0_OFFSET 0 | ||
187 | #define MXC_CRMAP_AMLPMRD_MLPMD0_MASK 0x7 | ||
188 | |||
189 | #define MXC_CRMAP_AMLPMRE1_MLPME9_OFFSET 28 | ||
190 | #define MXC_CRMAP_AMLPMRE1_MLPME9_MASK (0x7 << 28) | ||
191 | #define MXC_CRMAP_AMLPMRE1_MLPME8_OFFSET 25 | ||
192 | #define MXC_CRMAP_AMLPMRE1_MLPME8_MASK (0x7 << 25) | ||
193 | #define MXC_CRMAP_AMLPMRE1_MLPME7_OFFSET 22 | ||
194 | #define MXC_CRMAP_AMLPMRE1_MLPME7_MASK (0x7 << 22) | ||
195 | #define MXC_CRMAP_AMLPMRE1_MLPME6_OFFSET 19 | ||
196 | #define MXC_CRMAP_AMLPMRE1_MLPME6_MASK (0x7 << 19) | ||
197 | #define MXC_CRMAP_AMLPMRE1_MLPME5_OFFSET 16 | ||
198 | #define MXC_CRMAP_AMLPMRE1_MLPME5_MASK (0x7 << 16) | ||
199 | #define MXC_CRMAP_AMLPMRE1_MLPME4_OFFSET 12 | ||
200 | #define MXC_CRMAP_AMLPMRE1_MLPME4_MASK (0x7 << 12) | ||
201 | #define MXC_CRMAP_AMLPMRE1_MLPME3_OFFSET 9 | ||
202 | #define MXC_CRMAP_AMLPMRE1_MLPME3_MASK (0x7 << 9) | ||
203 | #define MXC_CRMAP_AMLPMRE1_MLPME2_OFFSET 6 | ||
204 | #define MXC_CRMAP_AMLPMRE1_MLPME2_MASK (0x7 << 6) | ||
205 | #define MXC_CRMAP_AMLPMRE1_MLPME1_OFFSET 3 | ||
206 | #define MXC_CRMAP_AMLPMRE1_MLPME1_MASK (0x7 << 3) | ||
207 | #define MXC_CRMAP_AMLPMRE1_MLPME0_OFFSET 0 | ||
208 | #define MXC_CRMAP_AMLPMRE1_MLPME0_MASK 0x7 | ||
209 | |||
210 | #define MXC_CRMAP_AMLPMRE2_MLPME0_OFFSET 0 | ||
211 | #define MXC_CRMAP_AMLPMRE2_MLPME0_MASK 0x7 | ||
212 | |||
213 | #define MXC_CRMAP_AMLPMRF_MLPMF6_OFFSET 19 | ||
214 | #define MXC_CRMAP_AMLPMRF_MLPMF6_MASK (0x7 << 19) | ||
215 | #define MXC_CRMAP_AMLPMRF_MLPMF5_OFFSET 16 | ||
216 | #define MXC_CRMAP_AMLPMRF_MLPMF5_MASK (0x7 << 16) | ||
217 | #define MXC_CRMAP_AMLPMRF_MLPMF3_OFFSET 9 | ||
218 | #define MXC_CRMAP_AMLPMRF_MLPMF3_MASK (0x7 << 9) | ||
219 | #define MXC_CRMAP_AMLPMRF_MLPMF2_OFFSET 6 | ||
220 | #define MXC_CRMAP_AMLPMRF_MLPMF2_MASK (0x7 << 6) | ||
221 | #define MXC_CRMAP_AMLPMRF_MLPMF1_OFFSET 3 | ||
222 | #define MXC_CRMAP_AMLPMRF_MLPMF1_MASK (0x7 << 3) | ||
223 | #define MXC_CRMAP_AMLPMRF_MLPMF0_OFFSET 0 | ||
224 | #define MXC_CRMAP_AMLPMRF_MLPMF0_MASK (0x7 << 0) | ||
225 | |||
226 | #define MXC_CRMAP_AMLPMRG_MLPMG9_OFFSET 28 | ||
227 | #define MXC_CRMAP_AMLPMRG_MLPMG9_MASK (0x7 << 28) | ||
228 | #define MXC_CRMAP_AMLPMRG_MLPMG7_OFFSET 22 | ||
229 | #define MXC_CRMAP_AMLPMRG_MLPMG7_MASK (0x7 << 22) | ||
230 | #define MXC_CRMAP_AMLPMRG_MLPMG6_OFFSET 19 | ||
231 | #define MXC_CRMAP_AMLPMRG_MLPMG6_MASK (0x7 << 19) | ||
232 | #define MXC_CRMAP_AMLPMRG_MLPMG5_OFFSET 16 | ||
233 | #define MXC_CRMAP_AMLPMRG_MLPMG5_MASK (0x7 << 16) | ||
234 | #define MXC_CRMAP_AMLPMRG_MLPMG4_OFFSET 12 | ||
235 | #define MXC_CRMAP_AMLPMRG_MLPMG4_MASK (0x7 << 12) | ||
236 | #define MXC_CRMAP_AMLPMRG_MLPMG3_OFFSET 9 | ||
237 | #define MXC_CRMAP_AMLPMRG_MLPMG3_MASK (0x7 << 9) | ||
238 | #define MXC_CRMAP_AMLPMRG_MLPMG2_OFFSET 6 | ||
239 | #define MXC_CRMAP_AMLPMRG_MLPMG2_MASK (0x7 << 6) | ||
240 | #define MXC_CRMAP_AMLPMRG_MLPMG1_OFFSET 3 | ||
241 | #define MXC_CRMAP_AMLPMRG_MLPMG1_MASK (0x7 << 3) | ||
242 | #define MXC_CRMAP_AMLPMRG_MLPMG0_OFFSET 0 | ||
243 | #define MXC_CRMAP_AMLPMRG_MLPMG0_MASK 0x7 | ||
244 | |||
245 | #define MXC_CRMAP_AGPR_IPUPAD_OFFSET 20 | ||
246 | #define MXC_CRMAP_AGPR_IPUPAD_MASK (0x7 << 20) | ||
247 | |||
248 | #define MXC_CRMAP_APRA_EL1TEN_OFFSET 29 | ||
249 | #define MXC_CRMAP_APRA_SIMEN_OFFSET 24 | ||
250 | #define MXC_CRMAP_APRA_UART3DIV_OFFSET 17 | ||
251 | #define MXC_CRMAP_APRA_UART3DIV_MASK (0xF << 17) | ||
252 | #define MXC_CRMAP_APRA_UART3EN_OFFSET 16 | ||
253 | #define MXC_CRMAP_APRA_SAHARA_DIV2_CLKEN_OFFSET 14 | ||
254 | #define MXC_CRMAP_APRA_MQSPIEN_OFFSET 13 | ||
255 | #define MXC_CRMAP_APRA_UART2EN_OFFSET 8 | ||
256 | #define MXC_CRMAP_APRA_UART1EN_OFFSET 0 | ||
257 | |||
258 | #define MXC_CRMAP_APRB_SDHC2_ISEL_OFFSET 13 | ||
259 | #define MXC_CRMAP_APRB_SDHC2_ISEL_MASK (0x7 << 13) | ||
260 | #define MXC_CRMAP_APRB_SDHC2_DIV_OFFSET 9 | ||
261 | #define MXC_CRMAP_APRB_SDHC2_DIV_MASK (0xF << 9) | ||
262 | #define MXC_CRMAP_APRB_SDHC2EN_OFFSET 8 | ||
263 | #define MXC_CRMAP_APRB_SDHC1_ISEL_OFFSET 5 | ||
264 | #define MXC_CRMAP_APRB_SDHC1_ISEL_MASK (0x7 << 5) | ||
265 | #define MXC_CRMAP_APRB_SDHC1_DIV_OFFSET 1 | ||
266 | #define MXC_CRMAP_APRB_SDHC1_DIV_MASK (0xF << 1) | ||
267 | #define MXC_CRMAP_APRB_SDHC1EN_OFFSET 0 | ||
268 | |||
269 | #define MXC_CRMAP_ACSR_ADS_OFFSET 8 | ||
270 | #define MXC_CRMAP_ACSR_ADS (0x1 << 8) | ||
271 | #define MXC_CRMAP_ACSR_ACS 0x1 | ||
272 | |||
273 | #define MXC_CRMAP_ADCR_LFDF_0 (0x0 << 8) | ||
274 | #define MXC_CRMAP_ADCR_LFDF_2 (0x1 << 8) | ||
275 | #define MXC_CRMAP_ADCR_LFDF_4 (0x2 << 8) | ||
276 | #define MXC_CRMAP_ADCR_LFDF_8 (0x3 << 8) | ||
277 | #define MXC_CRMAP_ADCR_LFDF_OFFSET 8 | ||
278 | #define MXC_CRMAP_ADCR_LFDF_MASK (0x3 << 8) | ||
279 | #define MXC_CRMAP_ADCR_ALT_PLL 0x80 | ||
280 | #define MXC_CRMAP_ADCR_DFS_DIVEN 0x20 | ||
281 | #define MXC_CRMAP_ADCR_DIV_BYP 0x2 | ||
282 | #define MXC_CRMAP_ADCR_VSTAT 0x8 | ||
283 | #define MXC_CRMAP_ADCR_TSTAT 0x10 | ||
284 | #define MXC_CRMAP_ADCR_DVFS_VCTRL 0x10 | ||
285 | #define MXC_CRMAP_ADCR_CLK_ON 0x40 | ||
286 | |||
287 | #define MXC_CRMAP_ADFMR_FC_OFFSET 16 | ||
288 | #define MXC_CRMAP_ADFMR_FC_MASK (0x1F << 16) | ||
289 | #define MXC_CRMAP_ADFMR_MF_OFFSET 1 | ||
290 | #define MXC_CRMAP_ADFMR_MF_MASK (0x3FF << 1) | ||
291 | #define MXC_CRMAP_ADFMR_DFM_CLK_READY 0x1 | ||
292 | #define MXC_CRMAP_ADFMR_DFM_PWR_DOWN 0x8000 | ||
293 | |||
294 | #define MXC_CRMAP_ACR_CKOHS_HIGH (1 << 18) | ||
295 | #define MXC_CRMAP_ACR_CKOS_HIGH (1 << 16) | ||
296 | #define MXC_CRMAP_ACR_CKOHS_MASK (0x7 << 12) | ||
297 | #define MXC_CRMAP_ACR_CKOHD (1 << 11) | ||
298 | #define MXC_CRMAP_ACR_CKOHDIV_MASK (0xF << 8) | ||
299 | #define MXC_CRMAP_ACR_CKOHDIV_OFFSET 8 | ||
300 | #define MXC_CRMAP_ACR_CKOD (1 << 7) | ||
301 | #define MXC_CRMAP_ACR_CKOS_MASK (0x7 << 4) | ||
302 | |||
303 | /* AP Warm reset */ | ||
304 | #define MXC_CRMAP_AMCR_SW_AP (1 << 14) | ||
305 | |||
306 | /* Bit definitions of ACGCR in CRM_AP for tree level clock gating */ | ||
307 | #define MXC_CRMAP_ACGCR_ACG0_STOP_WAIT 0x00000001 | ||
308 | #define MXC_CRMAP_ACGCR_ACG0_STOP 0x00000003 | ||
309 | #define MXC_CRMAP_ACGCR_ACG0_RUN 0x00000007 | ||
310 | #define MXC_CRMAP_ACGCR_ACG0_DISABLED 0x00000000 | ||
311 | |||
312 | #define MXC_CRMAP_ACGCR_ACG1_STOP_WAIT 0x00000008 | ||
313 | #define MXC_CRMAP_ACGCR_ACG1_STOP 0x00000018 | ||
314 | #define MXC_CRMAP_ACGCR_ACG1_RUN 0x00000038 | ||
315 | #define MXC_CRMAP_ACGCR_ACG1_DISABLED 0x00000000 | ||
316 | |||
317 | #define MXC_CRMAP_ACGCR_ACG2_STOP_WAIT 0x00000040 | ||
318 | #define MXC_CRMAP_ACGCR_ACG2_STOP 0x000000C0 | ||
319 | #define MXC_CRMAP_ACGCR_ACG2_RUN 0x000001C0 | ||
320 | #define MXC_CRMAP_ACGCR_ACG2_DISABLED 0x00000000 | ||
321 | |||
322 | #define MXC_CRMAP_ACGCR_ACG3_STOP_WAIT 0x00000200 | ||
323 | #define MXC_CRMAP_ACGCR_ACG3_STOP 0x00000600 | ||
324 | #define MXC_CRMAP_ACGCR_ACG3_RUN 0x00000E00 | ||
325 | #define MXC_CRMAP_ACGCR_ACG3_DISABLED 0x00000000 | ||
326 | |||
327 | #define MXC_CRMAP_ACGCR_ACG4_STOP_WAIT 0x00001000 | ||
328 | #define MXC_CRMAP_ACGCR_ACG4_STOP 0x00003000 | ||
329 | #define MXC_CRMAP_ACGCR_ACG4_RUN 0x00007000 | ||
330 | #define MXC_CRMAP_ACGCR_ACG4_DISABLED 0x00000000 | ||
331 | |||
332 | #define MXC_CRMAP_ACGCR_ACG5_STOP_WAIT 0x00010000 | ||
333 | #define MXC_CRMAP_ACGCR_ACG5_STOP 0x00030000 | ||
334 | #define MXC_CRMAP_ACGCR_ACG5_RUN 0x00070000 | ||
335 | #define MXC_CRMAP_ACGCR_ACG5_DISABLED 0x00000000 | ||
336 | |||
337 | #define MXC_CRMAP_ACGCR_ACG6_STOP_WAIT 0x00080000 | ||
338 | #define MXC_CRMAP_ACGCR_ACG6_STOP 0x00180000 | ||
339 | #define MXC_CRMAP_ACGCR_ACG6_RUN 0x00380000 | ||
340 | #define MXC_CRMAP_ACGCR_ACG6_DISABLED 0x00000000 | ||
341 | |||
342 | #define NUM_GATE_CTRL 6 | ||
343 | |||
344 | /* CRM COM Register Offsets */ | ||
345 | #define MXC_CRMCOM_CSCR (MXC_CRM_COM_BASE + 0x0C) | ||
346 | #define MXC_CRMCOM_CCCR (MXC_CRM_COM_BASE + 0x10) | ||
347 | |||
348 | /* CRM COM Bit Definitions */ | ||
349 | #define MXC_CRMCOM_CSCR_PPD1 0x08000000 | ||
350 | #define MXC_CRMCOM_CSCR_CKOHSEL (1 << 18) | ||
351 | #define MXC_CRMCOM_CSCR_CKOSEL (1 << 17) | ||
352 | #define MXC_CRMCOM_CCCR_CC_DIV_OFFSET 8 | ||
353 | #define MXC_CRMCOM_CCCR_CC_DIV_MASK (0x1F << 8) | ||
354 | #define MXC_CRMCOM_CCCR_CC_SEL_OFFSET 0 | ||
355 | #define MXC_CRMCOM_CCCR_CC_SEL_MASK 0x3 | ||
356 | |||
357 | /* DSM Register Offsets */ | ||
358 | #define MXC_DSM_SLEEP_TIME (MXC_DSM_BASE + 0x0c) | ||
359 | #define MXC_DSM_CONTROL0 (MXC_DSM_BASE + 0x20) | ||
360 | #define MXC_DSM_CONTROL1 (MXC_DSM_BASE + 0x24) | ||
361 | #define MXC_DSM_CTREN (MXC_DSM_BASE + 0x28) | ||
362 | #define MXC_DSM_WARM_PER (MXC_DSM_BASE + 0x40) | ||
363 | #define MXC_DSM_LOCK_PER (MXC_DSM_BASE + 0x44) | ||
364 | #define MXC_DSM_MGPER (MXC_DSM_BASE + 0x4c) | ||
365 | #define MXC_DSM_CRM_CONTROL (MXC_DSM_BASE + 0x50) | ||
366 | |||
367 | /* Bit definitions of various registers in DSM */ | ||
368 | #define MXC_DSM_CRM_CTRL_DVFS_BYP 0x00000008 | ||
369 | #define MXC_DSM_CRM_CTRL_DVFS_VCTRL 0x00000004 | ||
370 | #define MXC_DSM_CRM_CTRL_LPMD1 0x00000002 | ||
371 | #define MXC_DSM_CRM_CTRL_LPMD0 0x00000001 | ||
372 | #define MXC_DSM_CRM_CTRL_LPMD_STOP_MODE 0x00000000 | ||
373 | #define MXC_DSM_CRM_CTRL_LPMD_WAIT_MODE 0x00000001 | ||
374 | #define MXC_DSM_CRM_CTRL_LPMD_RUN_MODE 0x00000003 | ||
375 | #define MXC_DSM_CONTROL0_STBY_COMMIT_EN 0x00000200 | ||
376 | #define MXC_DSM_CONTROL0_MSTR_EN 0x00000001 | ||
377 | #define MXC_DSM_CONTROL0_RESTART 0x00000010 | ||
378 | /* Counter Block reset */ | ||
379 | #define MXC_DSM_CONTROL1_CB_RST 0x00000002 | ||
380 | /* State Machine reset */ | ||
381 | #define MXC_DSM_CONTROL1_SM_RST 0x00000004 | ||
382 | /* Bit needed to reset counter block */ | ||
383 | #define MXC_CONTROL1_RST_CNT32 0x00000008 | ||
384 | #define MXC_DSM_CONTROL1_RST_CNT32_EN 0x00000800 | ||
385 | #define MXC_DSM_CONTROL1_SLEEP 0x00000100 | ||
386 | #define MXC_DSM_CONTROL1_WAKEUP_DISABLE 0x00004000 | ||
387 | #define MXC_DSM_CTREN_CNT32 0x00000001 | ||
388 | |||
389 | /* Magic Fix enable bit */ | ||
390 | #define MXC_DSM_MGPER_EN_MGFX 0x80000000 | ||
391 | #define MXC_DSM_MGPER_PER_MASK 0x000003FF | ||
392 | #define MXC_DSM_MGPER_PER(n) (MXC_DSM_MGPER_PER_MASK & n) | ||
393 | |||
394 | /* Address offsets of the CLKCTL registers */ | ||
395 | #define MXC_CLKCTL_GP_CTRL (MXC_CLKCTL_BASE + 0x00) | ||
396 | #define MXC_CLKCTL_GP_SER (MXC_CLKCTL_BASE + 0x04) | ||
397 | #define MXC_CLKCTL_GP_CER (MXC_CLKCTL_BASE + 0x08) | ||
398 | |||
399 | #endif /* _ARCH_ARM_MACH_MXC91231_CRM_REGS_H_ */ | ||
diff --git a/arch/arm/mach-mxc91231/devices.c b/arch/arm/mach-mxc91231/devices.c new file mode 100644 index 000000000000..353bd977b393 --- /dev/null +++ b/arch/arm/mach-mxc91231/devices.c | |||
@@ -0,0 +1,251 @@ | |||
1 | /* | ||
2 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Sascha Hauer, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
17 | * Boston, MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/module.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/serial.h> | ||
23 | #include <linux/gpio.h> | ||
24 | #include <mach/hardware.h> | ||
25 | #include <mach/irqs.h> | ||
26 | #include <mach/imx-uart.h> | ||
27 | |||
28 | static struct resource uart0[] = { | ||
29 | { | ||
30 | .start = MXC91231_UART1_BASE_ADDR, | ||
31 | .end = MXC91231_UART1_BASE_ADDR + 0x0B5, | ||
32 | .flags = IORESOURCE_MEM, | ||
33 | }, { | ||
34 | .start = MXC91231_INT_UART1_RX, | ||
35 | .end = MXC91231_INT_UART1_RX, | ||
36 | .flags = IORESOURCE_IRQ, | ||
37 | }, { | ||
38 | .start = MXC91231_INT_UART1_TX, | ||
39 | .end = MXC91231_INT_UART1_TX, | ||
40 | .flags = IORESOURCE_IRQ, | ||
41 | }, { | ||
42 | .start = MXC91231_INT_UART1_MINT, | ||
43 | .end = MXC91231_INT_UART1_MINT, | ||
44 | .flags = IORESOURCE_IRQ, | ||
45 | }, | ||
46 | }; | ||
47 | |||
48 | struct platform_device mxc_uart_device0 = { | ||
49 | .name = "imx-uart", | ||
50 | .id = 0, | ||
51 | .resource = uart0, | ||
52 | .num_resources = ARRAY_SIZE(uart0), | ||
53 | }; | ||
54 | |||
55 | static struct resource uart1[] = { | ||
56 | { | ||
57 | .start = MXC91231_UART2_BASE_ADDR, | ||
58 | .end = MXC91231_UART2_BASE_ADDR + 0x0B5, | ||
59 | .flags = IORESOURCE_MEM, | ||
60 | }, { | ||
61 | .start = MXC91231_INT_UART2_RX, | ||
62 | .end = MXC91231_INT_UART2_RX, | ||
63 | .flags = IORESOURCE_IRQ, | ||
64 | }, { | ||
65 | .start = MXC91231_INT_UART2_TX, | ||
66 | .end = MXC91231_INT_UART2_TX, | ||
67 | .flags = IORESOURCE_IRQ, | ||
68 | }, { | ||
69 | .start = MXC91231_INT_UART2_MINT, | ||
70 | .end = MXC91231_INT_UART2_MINT, | ||
71 | .flags = IORESOURCE_IRQ, | ||
72 | }, | ||
73 | }; | ||
74 | |||
75 | struct platform_device mxc_uart_device1 = { | ||
76 | .name = "imx-uart", | ||
77 | .id = 1, | ||
78 | .resource = uart1, | ||
79 | .num_resources = ARRAY_SIZE(uart1), | ||
80 | }; | ||
81 | |||
82 | static struct resource uart2[] = { | ||
83 | { | ||
84 | .start = MXC91231_UART3_BASE_ADDR, | ||
85 | .end = MXC91231_UART3_BASE_ADDR + 0x0B5, | ||
86 | .flags = IORESOURCE_MEM, | ||
87 | }, { | ||
88 | .start = MXC91231_INT_UART3_RX, | ||
89 | .end = MXC91231_INT_UART3_RX, | ||
90 | .flags = IORESOURCE_IRQ, | ||
91 | }, { | ||
92 | .start = MXC91231_INT_UART3_TX, | ||
93 | .end = MXC91231_INT_UART3_TX, | ||
94 | .flags = IORESOURCE_IRQ, | ||
95 | }, { | ||
96 | .start = MXC91231_INT_UART3_MINT, | ||
97 | .end = MXC91231_INT_UART3_MINT, | ||
98 | .flags = IORESOURCE_IRQ, | ||
99 | |||
100 | }, | ||
101 | }; | ||
102 | |||
103 | struct platform_device mxc_uart_device2 = { | ||
104 | .name = "imx-uart", | ||
105 | .id = 2, | ||
106 | .resource = uart2, | ||
107 | .num_resources = ARRAY_SIZE(uart2), | ||
108 | }; | ||
109 | |||
110 | /* GPIO port description */ | ||
111 | static struct mxc_gpio_port mxc_gpio_ports[] = { | ||
112 | [0] = { | ||
113 | .chip.label = "gpio-0", | ||
114 | .base = MXC91231_IO_ADDRESS(MXC91231_GPIO1_AP_BASE_ADDR), | ||
115 | .irq = MXC91231_INT_GPIO1, | ||
116 | .virtual_irq_start = MXC_GPIO_IRQ_START, | ||
117 | }, | ||
118 | [1] = { | ||
119 | .chip.label = "gpio-1", | ||
120 | .base = MXC91231_IO_ADDRESS(MXC91231_GPIO2_AP_BASE_ADDR), | ||
121 | .irq = MXC91231_INT_GPIO2, | ||
122 | .virtual_irq_start = MXC_GPIO_IRQ_START + 32, | ||
123 | }, | ||
124 | [2] = { | ||
125 | .chip.label = "gpio-2", | ||
126 | .base = MXC91231_IO_ADDRESS(MXC91231_GPIO3_AP_BASE_ADDR), | ||
127 | .irq = MXC91231_INT_GPIO3, | ||
128 | .virtual_irq_start = MXC_GPIO_IRQ_START + 64, | ||
129 | }, | ||
130 | [3] = { | ||
131 | .chip.label = "gpio-3", | ||
132 | .base = MXC91231_IO_ADDRESS(MXC91231_GPIO4_SH_BASE_ADDR), | ||
133 | .irq = MXC91231_INT_GPIO4, | ||
134 | .virtual_irq_start = MXC_GPIO_IRQ_START + 96, | ||
135 | }, | ||
136 | }; | ||
137 | |||
138 | int __init mxc_register_gpios(void) | ||
139 | { | ||
140 | return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports)); | ||
141 | } | ||
142 | |||
143 | static struct resource mxc_nand_resources[] = { | ||
144 | { | ||
145 | .start = MXC91231_NFC_BASE_ADDR, | ||
146 | .end = MXC91231_NFC_BASE_ADDR + 0xfff, | ||
147 | .flags = IORESOURCE_MEM | ||
148 | }, { | ||
149 | .start = MXC91231_INT_NANDFC, | ||
150 | .end = MXC91231_INT_NANDFC, | ||
151 | .flags = IORESOURCE_IRQ | ||
152 | }, | ||
153 | }; | ||
154 | |||
155 | struct platform_device mxc_nand_device = { | ||
156 | .name = "mxc_nand", | ||
157 | .id = 0, | ||
158 | .num_resources = ARRAY_SIZE(mxc_nand_resources), | ||
159 | .resource = mxc_nand_resources, | ||
160 | }; | ||
161 | |||
162 | static struct resource mxc_sdhc0_resources[] = { | ||
163 | { | ||
164 | .start = MXC91231_MMC_SDHC1_BASE_ADDR, | ||
165 | .end = MXC91231_MMC_SDHC1_BASE_ADDR + SZ_16K - 1, | ||
166 | .flags = IORESOURCE_MEM, | ||
167 | }, { | ||
168 | .start = MXC91231_INT_MMC_SDHC1, | ||
169 | .end = MXC91231_INT_MMC_SDHC1, | ||
170 | .flags = IORESOURCE_IRQ, | ||
171 | }, | ||
172 | }; | ||
173 | |||
174 | static struct resource mxc_sdhc1_resources[] = { | ||
175 | { | ||
176 | .start = MXC91231_MMC_SDHC2_BASE_ADDR, | ||
177 | .end = MXC91231_MMC_SDHC2_BASE_ADDR + SZ_16K - 1, | ||
178 | .flags = IORESOURCE_MEM, | ||
179 | }, { | ||
180 | .start = MXC91231_INT_MMC_SDHC2, | ||
181 | .end = MXC91231_INT_MMC_SDHC2, | ||
182 | .flags = IORESOURCE_IRQ, | ||
183 | }, | ||
184 | }; | ||
185 | |||
186 | struct platform_device mxc_sdhc_device0 = { | ||
187 | .name = "mxc-mmc", | ||
188 | .id = 0, | ||
189 | .num_resources = ARRAY_SIZE(mxc_sdhc0_resources), | ||
190 | .resource = mxc_sdhc0_resources, | ||
191 | }; | ||
192 | |||
193 | struct platform_device mxc_sdhc_device1 = { | ||
194 | .name = "mxc-mmc", | ||
195 | .id = 1, | ||
196 | .num_resources = ARRAY_SIZE(mxc_sdhc1_resources), | ||
197 | .resource = mxc_sdhc1_resources, | ||
198 | }; | ||
199 | |||
200 | static struct resource mxc_cspi0_resources[] = { | ||
201 | { | ||
202 | .start = MXC91231_CSPI1_BASE_ADDR, | ||
203 | .end = MXC91231_CSPI1_BASE_ADDR + 0x20, | ||
204 | .flags = IORESOURCE_MEM, | ||
205 | }, { | ||
206 | .start = MXC91231_INT_CSPI1, | ||
207 | .end = MXC91231_INT_CSPI1, | ||
208 | .flags = IORESOURCE_IRQ, | ||
209 | }, | ||
210 | }; | ||
211 | |||
212 | struct platform_device mxc_cspi_device0 = { | ||
213 | .name = "spi_imx", | ||
214 | .id = 0, | ||
215 | .num_resources = ARRAY_SIZE(mxc_cspi0_resources), | ||
216 | .resource = mxc_cspi0_resources, | ||
217 | }; | ||
218 | |||
219 | static struct resource mxc_cspi1_resources[] = { | ||
220 | { | ||
221 | .start = MXC91231_CSPI2_BASE_ADDR, | ||
222 | .end = MXC91231_CSPI2_BASE_ADDR + 0x20, | ||
223 | .flags = IORESOURCE_MEM, | ||
224 | }, { | ||
225 | .start = MXC91231_INT_CSPI2, | ||
226 | .end = MXC91231_INT_CSPI2, | ||
227 | .flags = IORESOURCE_IRQ, | ||
228 | }, | ||
229 | }; | ||
230 | |||
231 | struct platform_device mxc_cspi_device1 = { | ||
232 | .name = "spi_imx", | ||
233 | .id = 1, | ||
234 | .num_resources = ARRAY_SIZE(mxc_cspi1_resources), | ||
235 | .resource = mxc_cspi1_resources, | ||
236 | }; | ||
237 | |||
238 | static struct resource mxc_wdog0_resources[] = { | ||
239 | { | ||
240 | .start = MXC91231_WDOG1_BASE_ADDR, | ||
241 | .end = MXC91231_WDOG1_BASE_ADDR + 0x10, | ||
242 | .flags = IORESOURCE_MEM, | ||
243 | }, | ||
244 | }; | ||
245 | |||
246 | struct platform_device mxc_wdog_device0 = { | ||
247 | .name = "mxc-wdt", | ||
248 | .id = 0, | ||
249 | .num_resources = ARRAY_SIZE(mxc_wdog0_resources), | ||
250 | .resource = mxc_wdog0_resources, | ||
251 | }; | ||
diff --git a/arch/arm/mach-mxc91231/devices.h b/arch/arm/mach-mxc91231/devices.h new file mode 100644 index 000000000000..72a2136ce27d --- /dev/null +++ b/arch/arm/mach-mxc91231/devices.h | |||
@@ -0,0 +1,13 @@ | |||
1 | extern struct platform_device mxc_uart_device0; | ||
2 | extern struct platform_device mxc_uart_device1; | ||
3 | extern struct platform_device mxc_uart_device2; | ||
4 | |||
5 | extern struct platform_device mxc_nand_device; | ||
6 | |||
7 | extern struct platform_device mxc_sdhc_device0; | ||
8 | extern struct platform_device mxc_sdhc_device1; | ||
9 | |||
10 | extern struct platform_device mxc_cspi_device0; | ||
11 | extern struct platform_device mxc_cspi_device1; | ||
12 | |||
13 | extern struct platform_device mxc_wdog_device0; | ||
diff --git a/arch/arm/mach-mxc91231/iomux.c b/arch/arm/mach-mxc91231/iomux.c new file mode 100644 index 000000000000..405d9b19d891 --- /dev/null +++ b/arch/arm/mach-mxc91231/iomux.c | |||
@@ -0,0 +1,177 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de> | ||
4 | * Copyright (C) 2009 by Valentin Longchamp <valentin.longchamp@epfl.ch> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/module.h> | ||
22 | #include <linux/spinlock.h> | ||
23 | #include <linux/io.h> | ||
24 | #include <linux/kernel.h> | ||
25 | #include <mach/hardware.h> | ||
26 | #include <mach/gpio.h> | ||
27 | #include <mach/iomux-mxc91231.h> | ||
28 | |||
29 | /* | ||
30 | * IOMUX register (base) addresses | ||
31 | */ | ||
32 | #define IOMUX_AP_BASE MXC91231_IO_ADDRESS(MXC91231_IOMUX_AP_BASE_ADDR) | ||
33 | #define IOMUX_COM_BASE MXC91231_IO_ADDRESS(MXC91231_IOMUX_COM_BASE_ADDR) | ||
34 | #define IOMUXSW_AP_MUX_CTL (IOMUX_AP_BASE + 0x000) | ||
35 | #define IOMUXSW_SP_MUX_CTL (IOMUX_COM_BASE + 0x000) | ||
36 | #define IOMUXSW_PAD_CTL (IOMUX_COM_BASE + 0x200) | ||
37 | |||
38 | #define IOMUXINT_OBS1 (IOMUX_AP_BASE + 0x600) | ||
39 | #define IOMUXINT_OBS2 (IOMUX_AP_BASE + 0x004) | ||
40 | |||
41 | static DEFINE_SPINLOCK(gpio_mux_lock); | ||
42 | |||
43 | #define NB_PORTS ((PIN_MAX + 32) / 32) | ||
44 | #define PIN_GLOBAL_NUM(pin) \ | ||
45 | (((pin & MUX_SIDE_MASK) >> MUX_SIDE_SHIFT)*PIN_AP_MAX + \ | ||
46 | ((pin & MUX_REG_MASK) >> MUX_REG_SHIFT)*4 + \ | ||
47 | ((pin & MUX_FIELD_MASK) >> MUX_FIELD_SHIFT)) | ||
48 | |||
49 | unsigned long mxc_pin_alloc_map[NB_PORTS * 32 / BITS_PER_LONG]; | ||
50 | /* | ||
51 | * set the mode for a IOMUX pin. | ||
52 | */ | ||
53 | int mxc_iomux_mode(const unsigned int pin_mode) | ||
54 | { | ||
55 | u32 side, field, l, mode, ret = 0; | ||
56 | void __iomem *reg; | ||
57 | |||
58 | side = (pin_mode & MUX_SIDE_MASK) >> MUX_SIDE_SHIFT; | ||
59 | switch (side) { | ||
60 | case MUX_SIDE_AP: | ||
61 | reg = IOMUXSW_AP_MUX_CTL; | ||
62 | break; | ||
63 | case MUX_SIDE_SP: | ||
64 | reg = IOMUXSW_SP_MUX_CTL; | ||
65 | break; | ||
66 | default: | ||
67 | return -EINVAL; | ||
68 | } | ||
69 | reg += ((pin_mode & MUX_REG_MASK) >> MUX_REG_SHIFT) * 4; | ||
70 | field = (pin_mode & MUX_FIELD_MASK) >> MUX_FIELD_SHIFT; | ||
71 | mode = (pin_mode & MUX_MODE_MASK) >> MUX_MODE_SHIFT; | ||
72 | |||
73 | spin_lock(&gpio_mux_lock); | ||
74 | |||
75 | l = __raw_readl(reg); | ||
76 | l &= ~(0xff << (field * 8)); | ||
77 | l |= mode << (field * 8); | ||
78 | __raw_writel(l, reg); | ||
79 | |||
80 | spin_unlock(&gpio_mux_lock); | ||
81 | |||
82 | return ret; | ||
83 | } | ||
84 | EXPORT_SYMBOL(mxc_iomux_mode); | ||
85 | |||
86 | /* | ||
87 | * This function configures the pad value for a IOMUX pin. | ||
88 | */ | ||
89 | void mxc_iomux_set_pad(enum iomux_pins pin, u32 config) | ||
90 | { | ||
91 | u32 padgrp, field, l; | ||
92 | void __iomem *reg; | ||
93 | |||
94 | padgrp = (pin & MUX_PADGRP_MASK) >> MUX_PADGRP_SHIFT; | ||
95 | reg = IOMUXSW_PAD_CTL + (pin + 2) / 3 * 4; | ||
96 | field = (pin + 2) % 3; | ||
97 | |||
98 | pr_debug("%s: reg offset = 0x%x, field = %d\n", | ||
99 | __func__, (pin + 2) / 3, field); | ||
100 | |||
101 | spin_lock(&gpio_mux_lock); | ||
102 | |||
103 | l = __raw_readl(reg); | ||
104 | l &= ~(0x1ff << (field * 10)); | ||
105 | l |= config << (field * 10); | ||
106 | __raw_writel(l, reg); | ||
107 | |||
108 | spin_unlock(&gpio_mux_lock); | ||
109 | } | ||
110 | EXPORT_SYMBOL(mxc_iomux_set_pad); | ||
111 | |||
112 | /* | ||
113 | * allocs a single pin: | ||
114 | * - reserves the pin so that it is not claimed by another driver | ||
115 | * - setups the iomux according to the configuration | ||
116 | */ | ||
117 | int mxc_iomux_alloc_pin(const unsigned int pin_mode, const char *label) | ||
118 | { | ||
119 | unsigned pad = PIN_GLOBAL_NUM(pin_mode); | ||
120 | if (pad >= (PIN_MAX + 1)) { | ||
121 | printk(KERN_ERR "mxc_iomux: Attempt to request nonexistant pin %u for \"%s\"\n", | ||
122 | pad, label ? label : "?"); | ||
123 | return -EINVAL; | ||
124 | } | ||
125 | |||
126 | if (test_and_set_bit(pad, mxc_pin_alloc_map)) { | ||
127 | printk(KERN_ERR "mxc_iomux: pin %u already used. Allocation for \"%s\" failed\n", | ||
128 | pad, label ? label : "?"); | ||
129 | return -EBUSY; | ||
130 | } | ||
131 | mxc_iomux_mode(pin_mode); | ||
132 | |||
133 | return 0; | ||
134 | } | ||
135 | EXPORT_SYMBOL(mxc_iomux_alloc_pin); | ||
136 | |||
137 | int mxc_iomux_setup_multiple_pins(unsigned int *pin_list, unsigned count, | ||
138 | const char *label) | ||
139 | { | ||
140 | unsigned int *p = pin_list; | ||
141 | int i; | ||
142 | int ret = -EINVAL; | ||
143 | |||
144 | for (i = 0; i < count; i++) { | ||
145 | ret = mxc_iomux_alloc_pin(*p, label); | ||
146 | if (ret) | ||
147 | goto setup_error; | ||
148 | p++; | ||
149 | } | ||
150 | return 0; | ||
151 | |||
152 | setup_error: | ||
153 | mxc_iomux_release_multiple_pins(pin_list, i); | ||
154 | return ret; | ||
155 | } | ||
156 | EXPORT_SYMBOL(mxc_iomux_setup_multiple_pins); | ||
157 | |||
158 | void mxc_iomux_release_pin(const unsigned int pin_mode) | ||
159 | { | ||
160 | unsigned pad = PIN_GLOBAL_NUM(pin_mode); | ||
161 | |||
162 | if (pad < (PIN_MAX + 1)) | ||
163 | clear_bit(pad, mxc_pin_alloc_map); | ||
164 | } | ||
165 | EXPORT_SYMBOL(mxc_iomux_release_pin); | ||
166 | |||
167 | void mxc_iomux_release_multiple_pins(unsigned int *pin_list, int count) | ||
168 | { | ||
169 | unsigned int *p = pin_list; | ||
170 | int i; | ||
171 | |||
172 | for (i = 0; i < count; i++) { | ||
173 | mxc_iomux_release_pin(*p); | ||
174 | p++; | ||
175 | } | ||
176 | } | ||
177 | EXPORT_SYMBOL(mxc_iomux_release_multiple_pins); | ||
diff --git a/arch/arm/mach-mxc91231/magx-zn5.c b/arch/arm/mach-mxc91231/magx-zn5.c new file mode 100644 index 000000000000..7dbe4ca12efd --- /dev/null +++ b/arch/arm/mach-mxc91231/magx-zn5.c | |||
@@ -0,0 +1,63 @@ | |||
1 | /* | ||
2 | * Copyright 2009 Dmitriy Taychenachev <dimichxp@gmail.com> | ||
3 | * | ||
4 | * This file is released under the GPLv2 or later. | ||
5 | */ | ||
6 | |||
7 | #include <linux/irq.h> | ||
8 | #include <linux/init.h> | ||
9 | #include <linux/device.h> | ||
10 | |||
11 | #include <asm/mach-types.h> | ||
12 | #include <asm/mach/time.h> | ||
13 | #include <asm/mach/arch.h> | ||
14 | |||
15 | #include <mach/common.h> | ||
16 | #include <mach/hardware.h> | ||
17 | #include <mach/iomux-mxc91231.h> | ||
18 | #include <mach/mmc.h> | ||
19 | #include <mach/imx-uart.h> | ||
20 | |||
21 | #include "devices.h" | ||
22 | |||
23 | static struct imxuart_platform_data uart_pdata = { | ||
24 | }; | ||
25 | |||
26 | static struct imxmmc_platform_data sdhc_pdata = { | ||
27 | }; | ||
28 | |||
29 | static void __init zn5_init(void) | ||
30 | { | ||
31 | pm_power_off = mxc91231_power_off; | ||
32 | |||
33 | mxc_iomux_alloc_pin(MXC91231_PIN_SP_USB_DAT_VP__RXD2, "uart2-rx"); | ||
34 | mxc_iomux_alloc_pin(MXC91231_PIN_SP_USB_SE0_VM__TXD2, "uart2-tx"); | ||
35 | |||
36 | mxc_register_device(&mxc_uart_device1, &uart_pdata); | ||
37 | mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
38 | |||
39 | mxc_register_device(&mxc_sdhc_device0, &sdhc_pdata); | ||
40 | |||
41 | mxc_register_device(&mxc_wdog_device0, NULL); | ||
42 | |||
43 | return; | ||
44 | } | ||
45 | |||
46 | static void __init zn5_timer_init(void) | ||
47 | { | ||
48 | mxc91231_clocks_init(26000000); /* 26mhz ckih */ | ||
49 | } | ||
50 | |||
51 | struct sys_timer zn5_timer = { | ||
52 | .init = zn5_timer_init, | ||
53 | }; | ||
54 | |||
55 | MACHINE_START(MAGX_ZN5, "Motorola Zn5") | ||
56 | .phys_io = MXC91231_AIPS1_BASE_ADDR, | ||
57 | .io_pg_offst = ((MXC91231_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
58 | .boot_params = PHYS_OFFSET + 0x100, | ||
59 | .map_io = mxc91231_map_io, | ||
60 | .init_irq = mxc91231_init_irq, | ||
61 | .timer = &zn5_timer, | ||
62 | .init_machine = zn5_init, | ||
63 | MACHINE_END | ||
diff --git a/arch/arm/mach-mxc91231/mm.c b/arch/arm/mach-mxc91231/mm.c new file mode 100644 index 000000000000..6becda3ff331 --- /dev/null +++ b/arch/arm/mach-mxc91231/mm.c | |||
@@ -0,0 +1,94 @@ | |||
1 | /* | ||
2 | * Copyright (C) 1999,2000 Arm Limited | ||
3 | * Copyright (C) 2000 Deep Blue Solutions Ltd | ||
4 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | ||
5 | * Copyright 2004-2005 Freescale Semiconductor, Inc. All Rights Reserved. | ||
6 | * - add MXC specific definitions | ||
7 | * Copyright 2006 Motorola, Inc. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | */ | ||
24 | |||
25 | #include <linux/mm.h> | ||
26 | #include <linux/init.h> | ||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/common.h> | ||
29 | #include <asm/pgtable.h> | ||
30 | #include <asm/mach/map.h> | ||
31 | |||
32 | /* | ||
33 | * This structure defines the MXC memory map. | ||
34 | */ | ||
35 | static struct map_desc mxc_io_desc[] __initdata = { | ||
36 | { | ||
37 | .virtual = MXC91231_L2CC_BASE_ADDR_VIRT, | ||
38 | .pfn = __phys_to_pfn(MXC91231_L2CC_BASE_ADDR), | ||
39 | .length = MXC91231_L2CC_SIZE, | ||
40 | .type = MT_DEVICE, | ||
41 | }, { | ||
42 | .virtual = MXC91231_X_MEMC_BASE_ADDR_VIRT, | ||
43 | .pfn = __phys_to_pfn(MXC91231_X_MEMC_BASE_ADDR), | ||
44 | .length = MXC91231_X_MEMC_SIZE, | ||
45 | .type = MT_DEVICE, | ||
46 | }, { | ||
47 | .virtual = MXC91231_ROMP_BASE_ADDR_VIRT, | ||
48 | .pfn = __phys_to_pfn(MXC91231_ROMP_BASE_ADDR), | ||
49 | .length = MXC91231_ROMP_SIZE, | ||
50 | .type = MT_DEVICE, | ||
51 | }, { | ||
52 | .virtual = MXC91231_AVIC_BASE_ADDR_VIRT, | ||
53 | .pfn = __phys_to_pfn(MXC91231_AVIC_BASE_ADDR), | ||
54 | .length = MXC91231_AVIC_SIZE, | ||
55 | .type = MT_DEVICE, | ||
56 | }, { | ||
57 | .virtual = MXC91231_AIPS1_BASE_ADDR_VIRT, | ||
58 | .pfn = __phys_to_pfn(MXC91231_AIPS1_BASE_ADDR), | ||
59 | .length = MXC91231_AIPS1_SIZE, | ||
60 | .type = MT_DEVICE, | ||
61 | }, { | ||
62 | .virtual = MXC91231_SPBA0_BASE_ADDR_VIRT, | ||
63 | .pfn = __phys_to_pfn(MXC91231_SPBA0_BASE_ADDR), | ||
64 | .length = MXC91231_SPBA0_SIZE, | ||
65 | .type = MT_DEVICE, | ||
66 | }, { | ||
67 | .virtual = MXC91231_SPBA1_BASE_ADDR_VIRT, | ||
68 | .pfn = __phys_to_pfn(MXC91231_SPBA1_BASE_ADDR), | ||
69 | .length = MXC91231_SPBA1_SIZE, | ||
70 | .type = MT_DEVICE, | ||
71 | }, { | ||
72 | .virtual = MXC91231_AIPS2_BASE_ADDR_VIRT, | ||
73 | .pfn = __phys_to_pfn(MXC91231_AIPS2_BASE_ADDR), | ||
74 | .length = MXC91231_AIPS2_SIZE, | ||
75 | .type = MT_DEVICE, | ||
76 | }, | ||
77 | }; | ||
78 | |||
79 | /* | ||
80 | * This function initializes the memory map. It is called during the | ||
81 | * system startup to create static physical to virtual memory map for | ||
82 | * the IO modules. | ||
83 | */ | ||
84 | void __init mxc91231_map_io(void) | ||
85 | { | ||
86 | mxc_set_cpu_type(MXC_CPU_MXC91231); | ||
87 | |||
88 | iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); | ||
89 | } | ||
90 | |||
91 | void __init mxc91231_init_irq(void) | ||
92 | { | ||
93 | mxc_init_irq(MXC91231_IO_ADDRESS(MXC91231_AVIC_BASE_ADDR)); | ||
94 | } | ||
diff --git a/arch/arm/mach-mxc91231/system.c b/arch/arm/mach-mxc91231/system.c new file mode 100644 index 000000000000..736f7efd874a --- /dev/null +++ b/arch/arm/mach-mxc91231/system.c | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | * Copyright 2009 Dmitriy Taychenachev <dimichxp@gmail.com> | ||
3 | * | ||
4 | * This file is released under the GPLv2 or later. | ||
5 | */ | ||
6 | |||
7 | #include <linux/delay.h> | ||
8 | #include <linux/io.h> | ||
9 | |||
10 | #include <asm/proc-fns.h> | ||
11 | #include <mach/hardware.h> | ||
12 | |||
13 | #include "crm_regs.h" | ||
14 | |||
15 | #define WDOG_WCR MXC91231_IO_ADDRESS(MXC91231_WDOG1_BASE_ADDR) | ||
16 | #define WDOG_WCR_OUT_ENABLE (1 << 6) | ||
17 | #define WDOG_WCR_ASSERT (1 << 5) | ||
18 | |||
19 | void mxc91231_power_off(void) | ||
20 | { | ||
21 | u16 wcr; | ||
22 | |||
23 | wcr = __raw_readw(WDOG_WCR); | ||
24 | wcr |= WDOG_WCR_OUT_ENABLE; | ||
25 | wcr &= ~WDOG_WCR_ASSERT; | ||
26 | __raw_writew(wcr, WDOG_WCR); | ||
27 | } | ||
28 | |||
29 | void mxc91231_arch_reset(char mode, const char *cmd) | ||
30 | { | ||
31 | u32 amcr; | ||
32 | |||
33 | /* Reset the AP using CRM */ | ||
34 | amcr = __raw_readl(MXC_CRMAP_AMCR); | ||
35 | amcr &= ~MXC_CRMAP_AMCR_SW_AP; | ||
36 | __raw_writel(amcr, MXC_CRMAP_AMCR); | ||
37 | |||
38 | mdelay(10); | ||
39 | cpu_reset(0); | ||
40 | } | ||
41 | |||
42 | void mxc91231_prepare_idle(void) | ||
43 | { | ||
44 | u32 crm_ctl; | ||
45 | |||
46 | /* Go to WAIT mode after WFI */ | ||
47 | crm_ctl = __raw_readl(MXC_DSM_CRM_CONTROL); | ||
48 | crm_ctl &= ~(MXC_DSM_CRM_CTRL_LPMD0 | MXC_DSM_CRM_CTRL_LPMD1); | ||
49 | crm_ctl |= MXC_DSM_CRM_CTRL_LPMD_WAIT_MODE; | ||
50 | __raw_writel(crm_ctl, MXC_DSM_CRM_CONTROL); | ||
51 | } | ||