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comparison src/cs/layer1/cfile/l1_small.c @ 0:b6a5e36de839

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src/cs: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:39:26 +0000
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children c56f1d6202f5
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-1:000000000000 0:b6a5e36de839
1
2
3 #include "l1sw.cfg"
4 #if (OP_L1_STANDALONE == 0)
5 #include "debug.cfg"
6 #include "rv_swe.h"
7 #endif
8 #if (OP_L1_STANDALONE == 1)
9 #include "general.h"
10 #endif
11 #include "l1_macro.h"
12 #include "l1_confg.h"
13
14 #if (CODE_VERSION == SIMULATION)
15 #include <string.h>
16 #include "l1_types.h"
17 #include "sys_types.h"
18 #include "l1_const.h"
19 #include "l1_time.h"
20 #if TESTMODE
21 #include "l1tm_defty.h"
22 #endif
23 #if (AUDIO_TASK == 1)
24 #include "l1audio_const.h"
25 #include "l1audio_cust.h"
26 #include "l1audio_defty.h"
27 #endif
28 #if (L1_GTT == 1)
29 #include "l1gtt_const.h"
30 #include "l1gtt_defty.h"
31 #endif
32 #if (L1_MP3 == 1)
33 #include "l1mp3_defty.h"
34 #endif
35 #if (L1_MIDI == 1)
36 #include "l1midi_defty.h"
37 #endif
38 #if (L1_AAC == 1)
39 #include "l1aac_defty.h"
40 #endif
41 #include "l1_defty.h"
42 #include "l1_varex.h"
43 #include "cust_os.h"
44 #include "l1_msgty.h"
45
46 #include <stdio.h>
47 #include "sim_cfg.h"
48 #include "sim_cons.h"
49 #include "sim_def.h"
50 #include "sim_var.h"
51
52 #else
53 #include <string.h>
54
55 #include "l1_types.h"
56 #include "sys_types.h"
57 #include "l1_const.h"
58 #include "l1_time.h"
59
60 #if TESTMODE
61 #include "l1tm_defty.h"
62 #endif
63 #if (AUDIO_TASK == 1)
64 #include "l1audio_const.h"
65 #include "l1audio_cust.h"
66 #include "l1audio_defty.h"
67 #endif
68 #if (L1_GTT == 1)
69 #include "l1gtt_const.h"
70 #include "l1gtt_defty.h"
71 #endif
72 #if (L1_MP3 == 1)
73 #include "l1mp3_defty.h"
74 #endif
75 #if (L1_MIDI == 1)
76 #include "l1midi_defty.h"
77 #endif
78 #if (L1_AAC == 1)
79 #include "l1aac_defty.h"
80 #endif
81 #include "l1_defty.h"
82 #include "l1_varex.h"
83 #include "cust_os.h"
84 #include "l1_msgty.h"
85 #include "tpudrv.h"
86
87 #endif
88
89 #if (W_A_CALYPSO_PLUS_SPR_19599 == 1)
90 #include "sys_memif.h"
91 #endif
92
93 #if (CHIPSET == 15)
94 #include "sys_inth.h"
95 #include "bspI2c.h"
96 #include "clkm.h"
97
98 // This could be removed if i2c_pwr_interface is functional
99 extern volatile Bool bspI2c_busLocked[BSP_I2C_NUM_DEVICES] ;
100 #endif
101
102 /* NEW COMPILER MANAGEMENT
103 * With compiler V3.00, the .text section must be explicitely
104 * defined.
105 * Else the following code will be put in the .cinit section.
106 * The change is applied to all compilers.
107 */
108 asm(" .sect \".text\" ");
109
110
111 UWORD8 *mode_authorized = &(l1s.pw_mgr.mode_authorized);
112 UWORD8 *switch_PWR_MNGT = &(l1_config.pwr_mngt);
113
114 #if (W_A_CALYPSO_BUG_01435 == 1)
115
116 asm("SMALL_SLEEP .equ 01h");
117 asm("BIG_SLEEP .equ 02h");
118 asm("DEEP_SLEEP .equ 03h");
119
120 void f_arm_sleep_cmd(UWORD8 d_sleep_mode)
121 {
122 asm(" LDR R3, MPU_FREE_REG");
123
124 // here below the C code:
125 // if ((d_sleep_mode == SMALL_SLEEP) || (d_sleep_mode == BIG_SLEEP))
126 // * (volatile UWORD16 *) 0xfffffd00 &= 0xfffe;
127 // else
128 // if (d_sleep_mode == DEEP_SLEEP)
129 // * (volatile UWORD16 *) 0xfffffd00 &= 0xefff;
130
131 asm(" CMP R0, #SMALL_SLEEP");
132 asm(" BEQ Small_or_Big_Sleep");
133 asm(" CMP R0, #BIG_SLEEP");
134 asm(" BEQ Small_or_Big_Sleep");
135 asm(" CMP R0, #DEEP_SLEEP");
136 asm(" BXNE LR");
137
138 asm("Deep_Sleep: ");
139 asm(" LDR R0, CLKM_CNTL_ARM_CLK_REG");
140 asm(" LDRH R12, [R0, #0]");
141 asm(" AND R1, R12, #255");
142 asm(" AND R12, R12, #61184");
143 asm(" ORR R12, R1, R12");
144 asm(" STRH R12, [R0, #0]");
145 asm(" STMIA R3!, {R4-R7}");
146 asm(" B End_Sleep");
147
148 asm("Small_or_Big_Sleep: ");
149 asm(" LDR R12, CLKM_CNTL_ARM_CLK_REG");
150 asm(" LDRH R0, [R12, #0]");
151 asm(" MOV R0, R0, LSL #16");
152 asm(" MOV R0, R0, LSR #17");
153 asm(" MOV R0, R0, LSL #1");
154 asm(" STRH R0, [R12, #0]");
155 asm(" STMIA R3!, {R4-R7}");
156
157 asm("End_Sleep: ");
158
159 } /* f_arm_sleep_cmd() */
160
161 asm("MPU_FREE_REG .word 0xffffff20");
162 asm("CLKM_CNTL_ARM_CLK_REG .word 0xfffffd00");
163 #endif
164
165 #if (CHIPSET == 15)
166 void init_small_sleep()
167 {
168
169 /* Should not disable bridge_clk during small sleep when an I2C transaction is pending
170
171 In Locosto without BRIDGE_CLK, I2C interrupt is not generated */
172
173 // This could be removed if i2c_pwr_interface is functional
174
175 Uint8 sts=0, camera_sts = 0;
176
177 sts=i2c_pwr_interface(0);
178 #ifdef RVM_CAMD_SWE
179 #if(LOCOSTO_LITE == 0)
180 #if (OP_L1_STANDALONE == 0)
181 camera_sts = camera_pwr_interface(0);
182 #endif
183 #endif
184 #endif
185
186 if (sts != 0
187 #if(LOCOSTO_LITE == 0)
188 || camera_sts != 0
189 #endif
190 )
191 {
192 sts=i2c_pwr_interface(2);//enable
193 *((volatile UINT16 *) CLKM_CNTL_CLK) &= ~CLKM_BRIDGE_DIS;
194 }
195 else
196 {
197 sts=i2c_pwr_interface(1);//disable
198 *((volatile UINT16 *) CLKM_CNTL_CLK) |= CLKM_BRIDGE_DIS;
199 F_INTH_ENABLE_ONE_IT(C_INTH_UART_WAKEUP_IT);
200 }
201 }
202
203
204
205 void exit_small_sleep()
206
207 {
208 i2c_pwr_interface(2);
209 return;
210 }
211
212
213 #endif
214
215 /*-------------------------------------------------------*/
216 /* INT_Small_Sleep() */
217 /*-------------------------------------------------------*/
218 /* */
219 /* Description: small sleep */
220 /* ------------ */
221 /* Called by TCT_Schedule main loop of Nucleus */
222 /*-------------------------------------------------------*/
223
224
225 asm(" .def INT_Small_Sleep ");
226 asm("INT_Small_Sleep ");
227
228 /* NEW COMPILER MANAGEMENT
229 * _switch_PWR_MNGT and _mode_authorized must be .def and not .ref
230 * as they are both defined in this file.
231 */
232 asm(" .def _switch_PWR_MNGT ");
233 asm(" .def _mode_authorized ");
234 asm("SMALL_SLEEP .equ 01h ");
235 asm("ALL_SLEEP .equ 04h ");
236 asm("PWR_MNGT .equ 01h ");
237 #if (OP_L1_STANDALONE == 0)
238 // This code log the number of time the Small sleep
239 // function has been invoked
240 #if (TI_PROFILER == 1)
241 asm(" ldr r0, profiler_counter "); // pick counter
242 asm(" mov r1,#0 ");
243 asm(" str r1,[r0] ");
244 #endif
245
246 #if (TI_NUC_MONITOR == 1)
247 // Push registers on statck because R3 and R4 must not be modified
248 asm(" STMFD sp!,{r0-r5}");
249 asm(" .global _ti_nuc_monitor_sleep ");
250 asm(" BL _ti_nuc_monitor_sleep");
251 asm(" LDMFD sp!,{r0-r5}");
252 #endif
253 // End log call
254 #endif // OP_L1_STANDALONE
255 //asm(" .ref TCT_Schedule_Loop ");
256 //asm(" B TCT_Schedule_Loop ");
257
258 asm(" ldr r0,Switch "); // pick up sleep mode
259 asm(" ldr r0,[r0] "); // take the current value of the register
260 asm(" ldrb r1,[r0] "); // take the current value of the register
261 asm(" cmp r1,#PWR_MNGT "); // take the current value of the register
262 asm(" bne End_small_sleep ");
263
264 asm(" ldr r0,Mode "); // pick up sleep mode
265 asm(" ldr r0,[r0] "); // take the current value of the register
266 asm(" ldrb r1,[r0] "); // take the current value of the register
267 asm(" cmp r1,#SMALL_SLEEP "); // take the current value of the register
268 asm(" beq Small_sleep_ok ");
269 asm(" cmp r1,#ALL_SLEEP "); // take the current value of the register
270 asm(" bne End_small_sleep ");
271
272 asm("Small_sleep_ok ");
273
274 // *****************************************************
275 // CQ19599: For Calypso+ chipset, extended page mode
276 // shall be disabled before entering deep sleep and
277 // restored at wake up
278 // *****************************************************
279 #if (W_A_CALYPSO_PLUS_SPR_19599 == 1)
280 asm(" .ref _f_memif_extended_page_mode_read_bit ");
281 asm(" .ref _f_memif_extended_page_mode_disable ");
282
283 asm(" BL _f_memif_extended_page_mode_read_bit"); //read state of extended page mode
284 asm(" STMFD sp!,{r2}"); //save r2 in stack in case it was used before
285 asm(" MOV r2,r0"); //store the state in r2
286 asm(" BL _f_memif_extended_page_mode_disable"); //disable extended page mode
287 #endif
288
289 #if (CHIPSET == 15)
290 //// Disable IRQs
291 asm(" MRS r1, CPSR ");
292 // asm(" MOV r2,r1"); // Copy the contents on CPSR register to r2
293 asm(" STMFD sp!,{r1}"); // Push r2 in the stack
294 asm(" ORR r1,r1,#00c0h "); // Disable IRQs
295 asm(" MSR CPSR,r1 ");
296
297 asm(" .ref _init_small_sleep");
298 asm(" BL _init_small_sleep");
299 #endif
300
301 // *****************************************************
302 //reset the DEEP_SLEEP bit 12 of CNTL_ARM_CLK register
303 // (Cf BUG_1278)
304 asm(" ldr r0,addrCLKM "); // pick up CNTL_ARM_CLK register address
305 asm(" ldrh r1,[r0] "); // take the current value of the register
306 asm(" orr r1,r1,#1000h "); // reset the bit
307 asm(" strh r1,[r0] "); //store the result
308
309 asm(" ldr r0,addrCLKM "); // pick up CLKM clock register address
310 asm(" ldrh r1,[r0] "); // take the current value of the register
311 asm(" bic r1,r1,#1 "); // disable ARM clock
312 asm(" strh r1,[r0] ");
313 // *****************************************************
314
315 #if (CHIPSET == 15)
316 asm(" .ref _exit_small_sleep");
317 asm(" BL _exit_small_sleep");
318 //Enable IRQs
319 asm(" LDMFD sp!,{r1}"); //restore r2 from stack
320 //asm(" MOV r1,r2"); // Move r2 to r1
321 asm(" MSR CPSR,r1 "); // Copy the contents of r1 to CPSR register
322 #endif
323
324 #if (W_A_CALYPSO_BUG_01435 == 1)
325 asm(" MOV R0, #SMALL_SLEEP");
326 asm(" BL _f_arm_sleep_cmd");
327 #endif
328
329 // *****************************************************
330 // CQ19599: For Calypso+ chipset, restore the extended
331 // page mode if it was enabled before entering sleep
332 // *****************************************************
333 #if (W_A_CALYPSO_PLUS_SPR_19599 == 1)
334 asm(" .ref _f_memif_extended_page_mode_enable ");
335 asm(" CMP r2,#0"); //check if extended page mode was enabled
336 asm(" BEQ extended_page_mode_restored "); //if not, do nothing
337 asm(" BL _f_memif_extended_page_mode_enable"); //else restore it
338 asm("extended_page_mode_restored ");
339 asm(" LDMFD sp!,{r2}"); //restore r2
340 #endif
341
342 asm(" .ref TCT_Schedule_Loop ");
343 asm("End_small_sleep ");
344 asm(" B TCT_Schedule_Loop "); // Return to TCT_Schedule main loop
345
346 asm("addrCLKM .word 0xfffffd00 ");//CLKM clock register address
347
348 asm("Mode .word _mode_authorized ");
349 asm("Switch .word _switch_PWR_MNGT ");
350 #if (OP_L1_STANDALONE == 0)
351 #if (TI_PROFILER == 1)
352 asm(" .ref _ti_profiler_nb_sleep_call ");
353 asm("profiler_counter .word _ti_profiler_nb_sleep_call ");
354 #endif
355 #endif // OP_L1_STANDALONE
356