root / hw / timer / exynos4210_mct.c @ 3bd88451
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1 | 12c775db | Evgeny Voevodin | /*
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2 | 12c775db | Evgeny Voevodin | * Samsung exynos4210 Multi Core timer
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3 | 12c775db | Evgeny Voevodin | *
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4 | 12c775db | Evgeny Voevodin | * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
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5 | 12c775db | Evgeny Voevodin | * All rights reserved.
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6 | 12c775db | Evgeny Voevodin | *
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7 | 12c775db | Evgeny Voevodin | * Evgeny Voevodin <e.voevodin@samsung.com>
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8 | 12c775db | Evgeny Voevodin | *
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9 | 12c775db | Evgeny Voevodin | * This program is free software; you can redistribute it and/or modify it
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10 | 12c775db | Evgeny Voevodin | * under the terms of the GNU General Public License as published by the
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11 | 12c775db | Evgeny Voevodin | * Free Software Foundation; either version 2 of the License, or (at your
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12 | 12c775db | Evgeny Voevodin | * option) any later version.
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13 | 12c775db | Evgeny Voevodin | *
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14 | 12c775db | Evgeny Voevodin | * This program is distributed in the hope that it will be useful,
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15 | 12c775db | Evgeny Voevodin | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 | 12c775db | Evgeny Voevodin | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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17 | 12c775db | Evgeny Voevodin | * See the GNU General Public License for more details.
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18 | 12c775db | Evgeny Voevodin | *
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19 | 12c775db | Evgeny Voevodin | * You should have received a copy of the GNU General Public License along
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20 | 12c775db | Evgeny Voevodin | * with this program; if not, see <http://www.gnu.org/licenses/>.
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21 | 12c775db | Evgeny Voevodin | */
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22 | 12c775db | Evgeny Voevodin | |
23 | 12c775db | Evgeny Voevodin | /*
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24 | 12c775db | Evgeny Voevodin | * Global Timer:
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25 | 12c775db | Evgeny Voevodin | *
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26 | 12c775db | Evgeny Voevodin | * Consists of two timers. First represents Free Running Counter and second
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27 | 12c775db | Evgeny Voevodin | * is used to measure interval from FRC to nearest comparator.
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28 | 12c775db | Evgeny Voevodin | *
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29 | 12c775db | Evgeny Voevodin | * 0 UINT64_MAX
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30 | 12c775db | Evgeny Voevodin | * | timer0 |
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31 | 12c775db | Evgeny Voevodin | * | <-------------------------------------------------------------- |
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32 | 12c775db | Evgeny Voevodin | * | --------------------------------------------frc---------------> |
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33 | 12c775db | Evgeny Voevodin | * |______________________________________________|__________________|
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34 | 12c775db | Evgeny Voevodin | * CMP0 CMP1 CMP2 | CMP3
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35 | 12c775db | Evgeny Voevodin | * __| |_
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36 | 12c775db | Evgeny Voevodin | * | timer1 |
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37 | 12c775db | Evgeny Voevodin | * | -------------> |
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38 | 12c775db | Evgeny Voevodin | * frc CMPx
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39 | 12c775db | Evgeny Voevodin | *
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40 | 12c775db | Evgeny Voevodin | * Problem: when implementing global timer as is, overflow arises.
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41 | 12c775db | Evgeny Voevodin | * next_time = cur_time + period * count;
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42 | 12c775db | Evgeny Voevodin | * period and count are 64 bits width.
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43 | 12c775db | Evgeny Voevodin | * Lets arm timer for MCT_GT_COUNTER_STEP count and update internal G_CNT
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44 | 12c775db | Evgeny Voevodin | * register during each event.
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45 | 12c775db | Evgeny Voevodin | *
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46 | 12c775db | Evgeny Voevodin | * Problem: both timers need to be implemented using MCT_XT_COUNTER_STEP because
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47 | 12c775db | Evgeny Voevodin | * local timer contains two counters: TCNT and ICNT. TCNT == 0 -> ICNT--.
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48 | 12c775db | Evgeny Voevodin | * IRQ is generated when ICNT riches zero. Implementation where TCNT == 0
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49 | 12c775db | Evgeny Voevodin | * generates IRQs suffers from too frequently events. Better to have one
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50 | 12c775db | Evgeny Voevodin | * uint64_t counter equal to TCNT*ICNT and arm ptimer.c for a minimum(TCNT*ICNT,
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51 | 12c775db | Evgeny Voevodin | * MCT_GT_COUNTER_STEP); (yes, if target tunes ICNT * TCNT to be too low values,
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52 | 12c775db | Evgeny Voevodin | * there is no way to avoid frequently events).
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53 | 12c775db | Evgeny Voevodin | */
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54 | 12c775db | Evgeny Voevodin | |
55 | 83c9f4ca | Paolo Bonzini | #include "hw/sysbus.h" |
56 | 1de7afc9 | Paolo Bonzini | #include "qemu/timer.h" |
57 | 12c775db | Evgeny Voevodin | #include "qemu-common.h" |
58 | 83c9f4ca | Paolo Bonzini | #include "hw/ptimer.h" |
59 | 12c775db | Evgeny Voevodin | |
60 | 0d09e41a | Paolo Bonzini | #include "hw/arm/exynos4210.h" |
61 | 12c775db | Evgeny Voevodin | |
62 | 12c775db | Evgeny Voevodin | //#define DEBUG_MCT
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63 | 12c775db | Evgeny Voevodin | |
64 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
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65 | 12c775db | Evgeny Voevodin | #define DPRINTF(fmt, ...) \
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66 | 12c775db | Evgeny Voevodin | do { fprintf(stdout, "MCT: [%24s:%5d] " fmt, __func__, __LINE__, \ |
67 | 12c775db | Evgeny Voevodin | ## __VA_ARGS__); } while (0) |
68 | 12c775db | Evgeny Voevodin | #else
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69 | 12c775db | Evgeny Voevodin | #define DPRINTF(fmt, ...) do {} while (0) |
70 | 12c775db | Evgeny Voevodin | #endif
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71 | 12c775db | Evgeny Voevodin | |
72 | 12c775db | Evgeny Voevodin | #define MCT_CFG 0x000 |
73 | 12c775db | Evgeny Voevodin | #define G_CNT_L 0x100 |
74 | 12c775db | Evgeny Voevodin | #define G_CNT_U 0x104 |
75 | 12c775db | Evgeny Voevodin | #define G_CNT_WSTAT 0x110 |
76 | 12c775db | Evgeny Voevodin | #define G_COMP0_L 0x200 |
77 | 12c775db | Evgeny Voevodin | #define G_COMP0_U 0x204 |
78 | 12c775db | Evgeny Voevodin | #define G_COMP0_ADD_INCR 0x208 |
79 | 12c775db | Evgeny Voevodin | #define G_COMP1_L 0x210 |
80 | 12c775db | Evgeny Voevodin | #define G_COMP1_U 0x214 |
81 | 12c775db | Evgeny Voevodin | #define G_COMP1_ADD_INCR 0x218 |
82 | 12c775db | Evgeny Voevodin | #define G_COMP2_L 0x220 |
83 | 12c775db | Evgeny Voevodin | #define G_COMP2_U 0x224 |
84 | 12c775db | Evgeny Voevodin | #define G_COMP2_ADD_INCR 0x228 |
85 | 12c775db | Evgeny Voevodin | #define G_COMP3_L 0x230 |
86 | 12c775db | Evgeny Voevodin | #define G_COMP3_U 0x234 |
87 | 12c775db | Evgeny Voevodin | #define G_COMP3_ADD_INCR 0x238 |
88 | 12c775db | Evgeny Voevodin | #define G_TCON 0x240 |
89 | 12c775db | Evgeny Voevodin | #define G_INT_CSTAT 0x244 |
90 | 12c775db | Evgeny Voevodin | #define G_INT_ENB 0x248 |
91 | 12c775db | Evgeny Voevodin | #define G_WSTAT 0x24C |
92 | 12c775db | Evgeny Voevodin | #define L0_TCNTB 0x300 |
93 | 12c775db | Evgeny Voevodin | #define L0_TCNTO 0x304 |
94 | 12c775db | Evgeny Voevodin | #define L0_ICNTB 0x308 |
95 | 12c775db | Evgeny Voevodin | #define L0_ICNTO 0x30C |
96 | 12c775db | Evgeny Voevodin | #define L0_FRCNTB 0x310 |
97 | 12c775db | Evgeny Voevodin | #define L0_FRCNTO 0x314 |
98 | 12c775db | Evgeny Voevodin | #define L0_TCON 0x320 |
99 | 12c775db | Evgeny Voevodin | #define L0_INT_CSTAT 0x330 |
100 | 12c775db | Evgeny Voevodin | #define L0_INT_ENB 0x334 |
101 | 12c775db | Evgeny Voevodin | #define L0_WSTAT 0x340 |
102 | 12c775db | Evgeny Voevodin | #define L1_TCNTB 0x400 |
103 | 12c775db | Evgeny Voevodin | #define L1_TCNTO 0x404 |
104 | 12c775db | Evgeny Voevodin | #define L1_ICNTB 0x408 |
105 | 12c775db | Evgeny Voevodin | #define L1_ICNTO 0x40C |
106 | 12c775db | Evgeny Voevodin | #define L1_FRCNTB 0x410 |
107 | 12c775db | Evgeny Voevodin | #define L1_FRCNTO 0x414 |
108 | 12c775db | Evgeny Voevodin | #define L1_TCON 0x420 |
109 | 12c775db | Evgeny Voevodin | #define L1_INT_CSTAT 0x430 |
110 | 12c775db | Evgeny Voevodin | #define L1_INT_ENB 0x434 |
111 | 12c775db | Evgeny Voevodin | #define L1_WSTAT 0x440 |
112 | 12c775db | Evgeny Voevodin | |
113 | 12c775db | Evgeny Voevodin | #define MCT_CFG_GET_PRESCALER(x) ((x) & 0xFF) |
114 | 12c775db | Evgeny Voevodin | #define MCT_CFG_GET_DIVIDER(x) (1 << ((x) >> 8 & 7)) |
115 | 12c775db | Evgeny Voevodin | |
116 | 12c775db | Evgeny Voevodin | #define GET_G_COMP_IDX(offset) (((offset) - G_COMP0_L) / 0x10) |
117 | 12c775db | Evgeny Voevodin | #define GET_G_COMP_ADD_INCR_IDX(offset) (((offset) - G_COMP0_ADD_INCR) / 0x10) |
118 | 12c775db | Evgeny Voevodin | |
119 | 12c775db | Evgeny Voevodin | #define G_COMP_L(x) (G_COMP0_L + (x) * 0x10) |
120 | 12c775db | Evgeny Voevodin | #define G_COMP_U(x) (G_COMP0_U + (x) * 0x10) |
121 | 12c775db | Evgeny Voevodin | |
122 | 12c775db | Evgeny Voevodin | #define G_COMP_ADD_INCR(x) (G_COMP0_ADD_INCR + (x) * 0x10) |
123 | 12c775db | Evgeny Voevodin | |
124 | 12c775db | Evgeny Voevodin | /* MCT bits */
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125 | 12c775db | Evgeny Voevodin | #define G_TCON_COMP_ENABLE(x) (1 << 2 * (x)) |
126 | 12c775db | Evgeny Voevodin | #define G_TCON_AUTO_ICREMENT(x) (1 << (2 * (x) + 1)) |
127 | 12c775db | Evgeny Voevodin | #define G_TCON_TIMER_ENABLE (1 << 8) |
128 | 12c775db | Evgeny Voevodin | |
129 | 12c775db | Evgeny Voevodin | #define G_INT_ENABLE(x) (1 << (x)) |
130 | 12c775db | Evgeny Voevodin | #define G_INT_CSTAT_COMP(x) (1 << (x)) |
131 | 12c775db | Evgeny Voevodin | |
132 | 12c775db | Evgeny Voevodin | #define G_CNT_WSTAT_L 1 |
133 | 12c775db | Evgeny Voevodin | #define G_CNT_WSTAT_U 2 |
134 | 12c775db | Evgeny Voevodin | |
135 | 12c775db | Evgeny Voevodin | #define G_WSTAT_COMP_L(x) (1 << 4 * (x)) |
136 | 12c775db | Evgeny Voevodin | #define G_WSTAT_COMP_U(x) (1 << ((4 * (x)) + 1)) |
137 | 12c775db | Evgeny Voevodin | #define G_WSTAT_COMP_ADDINCR(x) (1 << ((4 * (x)) + 2)) |
138 | 12c775db | Evgeny Voevodin | #define G_WSTAT_TCON_WRITE (1 << 16) |
139 | 12c775db | Evgeny Voevodin | |
140 | 12c775db | Evgeny Voevodin | #define GET_L_TIMER_IDX(offset) ((((offset) & 0xF00) - L0_TCNTB) / 0x100) |
141 | 12c775db | Evgeny Voevodin | #define GET_L_TIMER_CNT_REG_IDX(offset, lt_i) \
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142 | 12c775db | Evgeny Voevodin | (((offset) - (L0_TCNTB + 0x100 * (lt_i))) >> 2) |
143 | 12c775db | Evgeny Voevodin | |
144 | 12c775db | Evgeny Voevodin | #define L_ICNTB_MANUAL_UPDATE (1 << 31) |
145 | 12c775db | Evgeny Voevodin | |
146 | 12c775db | Evgeny Voevodin | #define L_TCON_TICK_START (1) |
147 | 12c775db | Evgeny Voevodin | #define L_TCON_INT_START (1 << 1) |
148 | 12c775db | Evgeny Voevodin | #define L_TCON_INTERVAL_MODE (1 << 2) |
149 | 12c775db | Evgeny Voevodin | #define L_TCON_FRC_START (1 << 3) |
150 | 12c775db | Evgeny Voevodin | |
151 | 12c775db | Evgeny Voevodin | #define L_INT_CSTAT_INTCNT (1 << 0) |
152 | 12c775db | Evgeny Voevodin | #define L_INT_CSTAT_FRCCNT (1 << 1) |
153 | 12c775db | Evgeny Voevodin | |
154 | 12c775db | Evgeny Voevodin | #define L_INT_INTENB_ICNTEIE (1 << 0) |
155 | 12c775db | Evgeny Voevodin | #define L_INT_INTENB_FRCEIE (1 << 1) |
156 | 12c775db | Evgeny Voevodin | |
157 | 12c775db | Evgeny Voevodin | #define L_WSTAT_TCNTB_WRITE (1 << 0) |
158 | 12c775db | Evgeny Voevodin | #define L_WSTAT_ICNTB_WRITE (1 << 1) |
159 | 12c775db | Evgeny Voevodin | #define L_WSTAT_FRCCNTB_WRITE (1 << 2) |
160 | 12c775db | Evgeny Voevodin | #define L_WSTAT_TCON_WRITE (1 << 3) |
161 | 12c775db | Evgeny Voevodin | |
162 | 12c775db | Evgeny Voevodin | enum LocalTimerRegCntIndexes {
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163 | 12c775db | Evgeny Voevodin | L_REG_CNT_TCNTB, |
164 | 12c775db | Evgeny Voevodin | L_REG_CNT_TCNTO, |
165 | 12c775db | Evgeny Voevodin | L_REG_CNT_ICNTB, |
166 | 12c775db | Evgeny Voevodin | L_REG_CNT_ICNTO, |
167 | 12c775db | Evgeny Voevodin | L_REG_CNT_FRCCNTB, |
168 | 12c775db | Evgeny Voevodin | L_REG_CNT_FRCCNTO, |
169 | 12c775db | Evgeny Voevodin | |
170 | 12c775db | Evgeny Voevodin | L_REG_CNT_AMOUNT |
171 | 12c775db | Evgeny Voevodin | }; |
172 | 12c775db | Evgeny Voevodin | |
173 | 12c775db | Evgeny Voevodin | #define MCT_NIRQ 6 |
174 | 12c775db | Evgeny Voevodin | #define MCT_SFR_SIZE 0x444 |
175 | 12c775db | Evgeny Voevodin | |
176 | 12c775db | Evgeny Voevodin | #define MCT_GT_CMP_NUM 4 |
177 | 12c775db | Evgeny Voevodin | |
178 | 12c775db | Evgeny Voevodin | #define MCT_GT_MAX_VAL UINT64_MAX
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179 | 12c775db | Evgeny Voevodin | |
180 | 12c775db | Evgeny Voevodin | #define MCT_GT_COUNTER_STEP 0x100000000ULL |
181 | 12c775db | Evgeny Voevodin | #define MCT_LT_COUNTER_STEP 0x100000000ULL |
182 | 12c775db | Evgeny Voevodin | #define MCT_LT_CNT_LOW_LIMIT 0x100 |
183 | 12c775db | Evgeny Voevodin | |
184 | 12c775db | Evgeny Voevodin | /* global timer */
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185 | 12c775db | Evgeny Voevodin | typedef struct { |
186 | 12c775db | Evgeny Voevodin | qemu_irq irq[MCT_GT_CMP_NUM]; |
187 | 12c775db | Evgeny Voevodin | |
188 | 12c775db | Evgeny Voevodin | struct gregs {
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189 | 12c775db | Evgeny Voevodin | uint64_t cnt; |
190 | 12c775db | Evgeny Voevodin | uint32_t cnt_wstat; |
191 | 12c775db | Evgeny Voevodin | uint32_t tcon; |
192 | 12c775db | Evgeny Voevodin | uint32_t int_cstat; |
193 | 12c775db | Evgeny Voevodin | uint32_t int_enb; |
194 | 12c775db | Evgeny Voevodin | uint32_t wstat; |
195 | 12c775db | Evgeny Voevodin | uint64_t comp[MCT_GT_CMP_NUM]; |
196 | 12c775db | Evgeny Voevodin | uint32_t comp_add_incr[MCT_GT_CMP_NUM]; |
197 | 12c775db | Evgeny Voevodin | } reg; |
198 | 12c775db | Evgeny Voevodin | |
199 | 12c775db | Evgeny Voevodin | uint64_t count; /* Value FRC was armed with */
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200 | 12c775db | Evgeny Voevodin | int32_t curr_comp; /* Current comparator FRC is running to */
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201 | 12c775db | Evgeny Voevodin | |
202 | 12c775db | Evgeny Voevodin | ptimer_state *ptimer_frc; /* FRC timer */
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203 | 12c775db | Evgeny Voevodin | |
204 | 12c775db | Evgeny Voevodin | } Exynos4210MCTGT; |
205 | 12c775db | Evgeny Voevodin | |
206 | 12c775db | Evgeny Voevodin | /* local timer */
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207 | 12c775db | Evgeny Voevodin | typedef struct { |
208 | 12c775db | Evgeny Voevodin | int id; /* timer id */ |
209 | 12c775db | Evgeny Voevodin | qemu_irq irq; /* local timer irq */
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210 | 12c775db | Evgeny Voevodin | |
211 | 12c775db | Evgeny Voevodin | struct tick_timer {
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212 | 12c775db | Evgeny Voevodin | uint32_t cnt_run; /* cnt timer is running */
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213 | 12c775db | Evgeny Voevodin | uint32_t int_run; /* int timer is running */
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214 | 12c775db | Evgeny Voevodin | |
215 | 12c775db | Evgeny Voevodin | uint32_t last_icnto; |
216 | 12c775db | Evgeny Voevodin | uint32_t last_tcnto; |
217 | 12c775db | Evgeny Voevodin | uint32_t tcntb; /* initial value for TCNTB */
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218 | 12c775db | Evgeny Voevodin | uint32_t icntb; /* initial value for ICNTB */
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219 | 12c775db | Evgeny Voevodin | |
220 | 12c775db | Evgeny Voevodin | /* for step mode */
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221 | 12c775db | Evgeny Voevodin | uint64_t distance; /* distance to count to the next event */
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222 | 12c775db | Evgeny Voevodin | uint64_t progress; /* progress when counting by steps */
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223 | 12c775db | Evgeny Voevodin | uint64_t count; /* count to arm timer with */
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224 | 12c775db | Evgeny Voevodin | |
225 | 12c775db | Evgeny Voevodin | ptimer_state *ptimer_tick; /* timer for tick counter */
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226 | 12c775db | Evgeny Voevodin | } tick_timer; |
227 | 12c775db | Evgeny Voevodin | |
228 | 12c775db | Evgeny Voevodin | /* use ptimer.c to represent count down timer */
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229 | 12c775db | Evgeny Voevodin | |
230 | 12c775db | Evgeny Voevodin | ptimer_state *ptimer_frc; /* timer for free running counter */
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231 | 12c775db | Evgeny Voevodin | |
232 | 12c775db | Evgeny Voevodin | /* registers */
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233 | 12c775db | Evgeny Voevodin | struct lregs {
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234 | 12c775db | Evgeny Voevodin | uint32_t cnt[L_REG_CNT_AMOUNT]; |
235 | 12c775db | Evgeny Voevodin | uint32_t tcon; |
236 | 12c775db | Evgeny Voevodin | uint32_t int_cstat; |
237 | 12c775db | Evgeny Voevodin | uint32_t int_enb; |
238 | 12c775db | Evgeny Voevodin | uint32_t wstat; |
239 | 12c775db | Evgeny Voevodin | } reg; |
240 | 12c775db | Evgeny Voevodin | |
241 | 12c775db | Evgeny Voevodin | } Exynos4210MCTLT; |
242 | 12c775db | Evgeny Voevodin | |
243 | 12c775db | Evgeny Voevodin | typedef struct Exynos4210MCTState { |
244 | 12c775db | Evgeny Voevodin | SysBusDevice busdev; |
245 | 12c775db | Evgeny Voevodin | MemoryRegion iomem; |
246 | 12c775db | Evgeny Voevodin | |
247 | 12c775db | Evgeny Voevodin | /* Registers */
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248 | 12c775db | Evgeny Voevodin | uint32_t reg_mct_cfg; |
249 | 12c775db | Evgeny Voevodin | |
250 | 12c775db | Evgeny Voevodin | Exynos4210MCTLT l_timer[2];
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251 | 12c775db | Evgeny Voevodin | Exynos4210MCTGT g_timer; |
252 | 12c775db | Evgeny Voevodin | |
253 | 12c775db | Evgeny Voevodin | uint32_t freq; /* all timers tick frequency, TCLK */
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254 | 12c775db | Evgeny Voevodin | } Exynos4210MCTState; |
255 | 12c775db | Evgeny Voevodin | |
256 | 12c775db | Evgeny Voevodin | /*** VMState ***/
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257 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_tick_timer = { |
258 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct.tick_timer",
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259 | 12c775db | Evgeny Voevodin | .version_id = 1,
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260 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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261 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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262 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
263 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(cnt_run, struct tick_timer),
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264 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(int_run, struct tick_timer),
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265 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(last_icnto, struct tick_timer),
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266 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(last_tcnto, struct tick_timer),
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267 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(tcntb, struct tick_timer),
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268 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(icntb, struct tick_timer),
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269 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64(distance, struct tick_timer),
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270 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64(progress, struct tick_timer),
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271 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64(count, struct tick_timer),
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272 | 12c775db | Evgeny Voevodin | VMSTATE_PTIMER(ptimer_tick, struct tick_timer),
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273 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
274 | 12c775db | Evgeny Voevodin | } |
275 | 12c775db | Evgeny Voevodin | }; |
276 | 12c775db | Evgeny Voevodin | |
277 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_lregs = { |
278 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct.lregs",
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279 | 12c775db | Evgeny Voevodin | .version_id = 1,
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280 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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281 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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282 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
283 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32_ARRAY(cnt, struct lregs, L_REG_CNT_AMOUNT),
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284 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(tcon, struct lregs),
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285 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(int_cstat, struct lregs),
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286 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(int_enb, struct lregs),
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287 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(wstat, struct lregs),
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288 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
289 | 12c775db | Evgeny Voevodin | } |
290 | 12c775db | Evgeny Voevodin | }; |
291 | 12c775db | Evgeny Voevodin | |
292 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_exynos4210_mct_lt = { |
293 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct.lt",
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294 | 12c775db | Evgeny Voevodin | .version_id = 1,
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295 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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296 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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297 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
298 | 12c775db | Evgeny Voevodin | VMSTATE_INT32(id, Exynos4210MCTLT), |
299 | 12c775db | Evgeny Voevodin | VMSTATE_STRUCT(tick_timer, Exynos4210MCTLT, 0,
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300 | 12c775db | Evgeny Voevodin | vmstate_tick_timer, |
301 | 12c775db | Evgeny Voevodin | struct tick_timer),
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302 | 12c775db | Evgeny Voevodin | VMSTATE_PTIMER(ptimer_frc, Exynos4210MCTLT), |
303 | 12c775db | Evgeny Voevodin | VMSTATE_STRUCT(reg, Exynos4210MCTLT, 0,
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304 | 12c775db | Evgeny Voevodin | vmstate_lregs, |
305 | 12c775db | Evgeny Voevodin | struct lregs),
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306 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
307 | 12c775db | Evgeny Voevodin | } |
308 | 12c775db | Evgeny Voevodin | }; |
309 | 12c775db | Evgeny Voevodin | |
310 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_gregs = { |
311 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct.lregs",
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312 | 12c775db | Evgeny Voevodin | .version_id = 1,
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313 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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314 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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315 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
316 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64(cnt, struct gregs),
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317 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(cnt_wstat, struct gregs),
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318 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(tcon, struct gregs),
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319 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(int_cstat, struct gregs),
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320 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(int_enb, struct gregs),
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321 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(wstat, struct gregs),
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322 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64_ARRAY(comp, struct gregs, MCT_GT_CMP_NUM),
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323 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32_ARRAY(comp_add_incr, struct gregs,
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324 | 12c775db | Evgeny Voevodin | MCT_GT_CMP_NUM), |
325 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
326 | 12c775db | Evgeny Voevodin | } |
327 | 12c775db | Evgeny Voevodin | }; |
328 | 12c775db | Evgeny Voevodin | |
329 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_exynos4210_mct_gt = { |
330 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct.lt",
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331 | 12c775db | Evgeny Voevodin | .version_id = 1,
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332 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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333 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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334 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
335 | 12c775db | Evgeny Voevodin | VMSTATE_STRUCT(reg, Exynos4210MCTGT, 0, vmstate_gregs,
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336 | 12c775db | Evgeny Voevodin | struct gregs),
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337 | 12c775db | Evgeny Voevodin | VMSTATE_UINT64(count, Exynos4210MCTGT), |
338 | 12c775db | Evgeny Voevodin | VMSTATE_INT32(curr_comp, Exynos4210MCTGT), |
339 | 12c775db | Evgeny Voevodin | VMSTATE_PTIMER(ptimer_frc, Exynos4210MCTGT), |
340 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
341 | 12c775db | Evgeny Voevodin | } |
342 | 12c775db | Evgeny Voevodin | }; |
343 | 12c775db | Evgeny Voevodin | |
344 | 12c775db | Evgeny Voevodin | static const VMStateDescription vmstate_exynos4210_mct_state = { |
345 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct",
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346 | 12c775db | Evgeny Voevodin | .version_id = 1,
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347 | 12c775db | Evgeny Voevodin | .minimum_version_id = 1,
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348 | 12c775db | Evgeny Voevodin | .minimum_version_id_old = 1,
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349 | 12c775db | Evgeny Voevodin | .fields = (VMStateField[]) { |
350 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(reg_mct_cfg, Exynos4210MCTState), |
351 | 12c775db | Evgeny Voevodin | VMSTATE_STRUCT_ARRAY(l_timer, Exynos4210MCTState, 2, 0, |
352 | 12c775db | Evgeny Voevodin | vmstate_exynos4210_mct_lt, Exynos4210MCTLT), |
353 | 12c775db | Evgeny Voevodin | VMSTATE_STRUCT(g_timer, Exynos4210MCTState, 0,
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354 | 12c775db | Evgeny Voevodin | vmstate_exynos4210_mct_gt, Exynos4210MCTGT), |
355 | 12c775db | Evgeny Voevodin | VMSTATE_UINT32(freq, Exynos4210MCTState), |
356 | 12c775db | Evgeny Voevodin | VMSTATE_END_OF_LIST() |
357 | 12c775db | Evgeny Voevodin | } |
358 | 12c775db | Evgeny Voevodin | }; |
359 | 12c775db | Evgeny Voevodin | |
360 | 12c775db | Evgeny Voevodin | static void exynos4210_mct_update_freq(Exynos4210MCTState *s); |
361 | 12c775db | Evgeny Voevodin | |
362 | 12c775db | Evgeny Voevodin | /*
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363 | 12c775db | Evgeny Voevodin | * Set counter of FRC global timer.
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364 | 12c775db | Evgeny Voevodin | */
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365 | 12c775db | Evgeny Voevodin | static void exynos4210_gfrc_set_count(Exynos4210MCTGT *s, uint64_t count) |
366 | 12c775db | Evgeny Voevodin | { |
367 | 12c775db | Evgeny Voevodin | s->count = count; |
368 | 12c775db | Evgeny Voevodin | DPRINTF("global timer frc set count 0x%llx\n", count);
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369 | 12c775db | Evgeny Voevodin | ptimer_set_count(s->ptimer_frc, count); |
370 | 12c775db | Evgeny Voevodin | } |
371 | 12c775db | Evgeny Voevodin | |
372 | 12c775db | Evgeny Voevodin | /*
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373 | 12c775db | Evgeny Voevodin | * Get counter of FRC global timer.
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374 | 12c775db | Evgeny Voevodin | */
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375 | 12c775db | Evgeny Voevodin | static uint64_t exynos4210_gfrc_get_count(Exynos4210MCTGT *s)
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376 | 12c775db | Evgeny Voevodin | { |
377 | 12c775db | Evgeny Voevodin | uint64_t count = 0;
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378 | 12c775db | Evgeny Voevodin | count = ptimer_get_count(s->ptimer_frc); |
379 | 12c775db | Evgeny Voevodin | count = s->count - count; |
380 | 12c775db | Evgeny Voevodin | return s->reg.cnt + count;
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381 | 12c775db | Evgeny Voevodin | } |
382 | 12c775db | Evgeny Voevodin | |
383 | 12c775db | Evgeny Voevodin | /*
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384 | 12c775db | Evgeny Voevodin | * Stop global FRC timer
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385 | 12c775db | Evgeny Voevodin | */
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386 | 12c775db | Evgeny Voevodin | static void exynos4210_gfrc_stop(Exynos4210MCTGT *s) |
387 | 12c775db | Evgeny Voevodin | { |
388 | 12c775db | Evgeny Voevodin | DPRINTF("global timer frc stop\n");
|
389 | 12c775db | Evgeny Voevodin | |
390 | 12c775db | Evgeny Voevodin | ptimer_stop(s->ptimer_frc); |
391 | 12c775db | Evgeny Voevodin | } |
392 | 12c775db | Evgeny Voevodin | |
393 | 12c775db | Evgeny Voevodin | /*
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394 | 12c775db | Evgeny Voevodin | * Start global FRC timer
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395 | 12c775db | Evgeny Voevodin | */
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396 | 12c775db | Evgeny Voevodin | static void exynos4210_gfrc_start(Exynos4210MCTGT *s) |
397 | 12c775db | Evgeny Voevodin | { |
398 | 12c775db | Evgeny Voevodin | DPRINTF("global timer frc start\n");
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399 | 12c775db | Evgeny Voevodin | |
400 | 12c775db | Evgeny Voevodin | ptimer_run(s->ptimer_frc, 1);
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401 | 12c775db | Evgeny Voevodin | } |
402 | 12c775db | Evgeny Voevodin | |
403 | 12c775db | Evgeny Voevodin | /*
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404 | 12c775db | Evgeny Voevodin | * Find next nearest Comparator. If current Comparator value equals to other
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405 | 12c775db | Evgeny Voevodin | * Comparator value, skip them both
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406 | 12c775db | Evgeny Voevodin | */
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407 | 12c775db | Evgeny Voevodin | static int32_t exynos4210_gcomp_find(Exynos4210MCTState *s)
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408 | 12c775db | Evgeny Voevodin | { |
409 | 12c775db | Evgeny Voevodin | int res;
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410 | 12c775db | Evgeny Voevodin | int i;
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411 | 12c775db | Evgeny Voevodin | int enabled;
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412 | 12c775db | Evgeny Voevodin | uint64_t min; |
413 | 12c775db | Evgeny Voevodin | int min_comp_i;
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414 | 12c775db | Evgeny Voevodin | uint64_t gfrc; |
415 | 12c775db | Evgeny Voevodin | uint64_t distance; |
416 | 12c775db | Evgeny Voevodin | uint64_t distance_min; |
417 | 12c775db | Evgeny Voevodin | int comp_i;
|
418 | 12c775db | Evgeny Voevodin | |
419 | 12c775db | Evgeny Voevodin | /* get gfrc count */
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420 | 12c775db | Evgeny Voevodin | gfrc = exynos4210_gfrc_get_count(&s->g_timer); |
421 | 12c775db | Evgeny Voevodin | |
422 | 12c775db | Evgeny Voevodin | min = UINT64_MAX; |
423 | 12c775db | Evgeny Voevodin | distance_min = UINT64_MAX; |
424 | 12c775db | Evgeny Voevodin | comp_i = MCT_GT_CMP_NUM; |
425 | 12c775db | Evgeny Voevodin | min_comp_i = MCT_GT_CMP_NUM; |
426 | 12c775db | Evgeny Voevodin | enabled = 0;
|
427 | 12c775db | Evgeny Voevodin | |
428 | 12c775db | Evgeny Voevodin | /* lookup for nearest comparator */
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429 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
430 | 12c775db | Evgeny Voevodin | |
431 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.tcon & G_TCON_COMP_ENABLE(i)) {
|
432 | 12c775db | Evgeny Voevodin | |
433 | 12c775db | Evgeny Voevodin | enabled = 1;
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434 | 12c775db | Evgeny Voevodin | |
435 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.comp[i] > gfrc) {
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436 | 12c775db | Evgeny Voevodin | /* Comparator is upper then FRC */
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437 | 12c775db | Evgeny Voevodin | distance = s->g_timer.reg.comp[i] - gfrc; |
438 | 12c775db | Evgeny Voevodin | |
439 | 12c775db | Evgeny Voevodin | if (distance <= distance_min) {
|
440 | 12c775db | Evgeny Voevodin | distance_min = distance; |
441 | 12c775db | Evgeny Voevodin | comp_i = i; |
442 | 12c775db | Evgeny Voevodin | } |
443 | 12c775db | Evgeny Voevodin | } else {
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444 | 12c775db | Evgeny Voevodin | /* Comparator is below FRC, find the smallest */
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445 | 12c775db | Evgeny Voevodin | |
446 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.comp[i] <= min) {
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447 | 12c775db | Evgeny Voevodin | min = s->g_timer.reg.comp[i]; |
448 | 12c775db | Evgeny Voevodin | min_comp_i = i; |
449 | 12c775db | Evgeny Voevodin | } |
450 | 12c775db | Evgeny Voevodin | } |
451 | 12c775db | Evgeny Voevodin | } |
452 | 12c775db | Evgeny Voevodin | } |
453 | 12c775db | Evgeny Voevodin | |
454 | 12c775db | Evgeny Voevodin | if (!enabled) {
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455 | 12c775db | Evgeny Voevodin | /* All Comparators disabled */
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456 | 12c775db | Evgeny Voevodin | res = -1;
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457 | 12c775db | Evgeny Voevodin | } else if (comp_i < MCT_GT_CMP_NUM) { |
458 | 12c775db | Evgeny Voevodin | /* Found upper Comparator */
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459 | 12c775db | Evgeny Voevodin | res = comp_i; |
460 | 12c775db | Evgeny Voevodin | } else {
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461 | 12c775db | Evgeny Voevodin | /* All Comparators are below or equal to FRC */
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462 | 12c775db | Evgeny Voevodin | res = min_comp_i; |
463 | 12c775db | Evgeny Voevodin | } |
464 | 12c775db | Evgeny Voevodin | |
465 | 12c775db | Evgeny Voevodin | DPRINTF("found comparator %d: comp 0x%llx distance 0x%llx, gfrc 0x%llx\n",
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466 | 12c775db | Evgeny Voevodin | res, |
467 | 12c775db | Evgeny Voevodin | s->g_timer.reg.comp[res], |
468 | 12c775db | Evgeny Voevodin | distance_min, |
469 | 12c775db | Evgeny Voevodin | gfrc); |
470 | 12c775db | Evgeny Voevodin | |
471 | 12c775db | Evgeny Voevodin | return res;
|
472 | 12c775db | Evgeny Voevodin | } |
473 | 12c775db | Evgeny Voevodin | |
474 | 12c775db | Evgeny Voevodin | /*
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475 | 12c775db | Evgeny Voevodin | * Get distance to nearest Comparator
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476 | 12c775db | Evgeny Voevodin | */
|
477 | 12c775db | Evgeny Voevodin | static uint64_t exynos4210_gcomp_get_distance(Exynos4210MCTState *s, int32_t id)
|
478 | 12c775db | Evgeny Voevodin | { |
479 | 12c775db | Evgeny Voevodin | if (id == -1) { |
480 | 12c775db | Evgeny Voevodin | /* no enabled Comparators, choose max distance */
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481 | 12c775db | Evgeny Voevodin | return MCT_GT_COUNTER_STEP;
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482 | 12c775db | Evgeny Voevodin | } |
483 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.comp[id] - s->g_timer.reg.cnt < MCT_GT_COUNTER_STEP) {
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484 | 12c775db | Evgeny Voevodin | return s->g_timer.reg.comp[id] - s->g_timer.reg.cnt;
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485 | 12c775db | Evgeny Voevodin | } else {
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486 | 12c775db | Evgeny Voevodin | return MCT_GT_COUNTER_STEP;
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487 | 12c775db | Evgeny Voevodin | } |
488 | 12c775db | Evgeny Voevodin | } |
489 | 12c775db | Evgeny Voevodin | |
490 | 12c775db | Evgeny Voevodin | /*
|
491 | 12c775db | Evgeny Voevodin | * Restart global FRC timer
|
492 | 12c775db | Evgeny Voevodin | */
|
493 | 12c775db | Evgeny Voevodin | static void exynos4210_gfrc_restart(Exynos4210MCTState *s) |
494 | 12c775db | Evgeny Voevodin | { |
495 | 12c775db | Evgeny Voevodin | uint64_t distance; |
496 | 12c775db | Evgeny Voevodin | |
497 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_stop(&s->g_timer); |
498 | 12c775db | Evgeny Voevodin | |
499 | 12c775db | Evgeny Voevodin | s->g_timer.curr_comp = exynos4210_gcomp_find(s); |
500 | 12c775db | Evgeny Voevodin | |
501 | 12c775db | Evgeny Voevodin | distance = exynos4210_gcomp_get_distance(s, s->g_timer.curr_comp); |
502 | 12c775db | Evgeny Voevodin | |
503 | 12c775db | Evgeny Voevodin | if (distance > MCT_GT_COUNTER_STEP || !distance) {
|
504 | 12c775db | Evgeny Voevodin | distance = MCT_GT_COUNTER_STEP; |
505 | 12c775db | Evgeny Voevodin | } |
506 | 12c775db | Evgeny Voevodin | |
507 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_set_count(&s->g_timer, distance); |
508 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_start(&s->g_timer); |
509 | 12c775db | Evgeny Voevodin | } |
510 | 12c775db | Evgeny Voevodin | |
511 | 12c775db | Evgeny Voevodin | /*
|
512 | 12c775db | Evgeny Voevodin | * Raise global timer CMP IRQ
|
513 | 12c775db | Evgeny Voevodin | */
|
514 | 12c775db | Evgeny Voevodin | static void exynos4210_gcomp_raise_irq(void *opaque, uint32_t id) |
515 | 12c775db | Evgeny Voevodin | { |
516 | 12c775db | Evgeny Voevodin | Exynos4210MCTGT *s = opaque; |
517 | 12c775db | Evgeny Voevodin | |
518 | 12c775db | Evgeny Voevodin | /* If CSTAT is pending and IRQ is enabled */
|
519 | 12c775db | Evgeny Voevodin | if ((s->reg.int_cstat & G_INT_CSTAT_COMP(id)) &&
|
520 | 12c775db | Evgeny Voevodin | (s->reg.int_enb & G_INT_ENABLE(id))) { |
521 | 12c775db | Evgeny Voevodin | DPRINTF("gcmp timer[%d] IRQ\n", id);
|
522 | 12c775db | Evgeny Voevodin | qemu_irq_raise(s->irq[id]); |
523 | 12c775db | Evgeny Voevodin | } |
524 | 12c775db | Evgeny Voevodin | } |
525 | 12c775db | Evgeny Voevodin | |
526 | 12c775db | Evgeny Voevodin | /*
|
527 | 12c775db | Evgeny Voevodin | * Lower global timer CMP IRQ
|
528 | 12c775db | Evgeny Voevodin | */
|
529 | 12c775db | Evgeny Voevodin | static void exynos4210_gcomp_lower_irq(void *opaque, uint32_t id) |
530 | 12c775db | Evgeny Voevodin | { |
531 | 12c775db | Evgeny Voevodin | Exynos4210MCTGT *s = opaque; |
532 | 12c775db | Evgeny Voevodin | qemu_irq_lower(s->irq[id]); |
533 | 12c775db | Evgeny Voevodin | } |
534 | 12c775db | Evgeny Voevodin | |
535 | 12c775db | Evgeny Voevodin | /*
|
536 | 12c775db | Evgeny Voevodin | * Global timer FRC event handler.
|
537 | 12c775db | Evgeny Voevodin | * Each event occurs when internal counter reaches counter + MCT_GT_COUNTER_STEP
|
538 | 12c775db | Evgeny Voevodin | * Every time we arm global FRC timer to count for MCT_GT_COUNTER_STEP value
|
539 | 12c775db | Evgeny Voevodin | */
|
540 | 12c775db | Evgeny Voevodin | static void exynos4210_gfrc_event(void *opaque) |
541 | 12c775db | Evgeny Voevodin | { |
542 | 12c775db | Evgeny Voevodin | Exynos4210MCTState *s = (Exynos4210MCTState *)opaque; |
543 | 12c775db | Evgeny Voevodin | int i;
|
544 | 12c775db | Evgeny Voevodin | uint64_t distance; |
545 | 12c775db | Evgeny Voevodin | |
546 | 12c775db | Evgeny Voevodin | DPRINTF("\n");
|
547 | 12c775db | Evgeny Voevodin | |
548 | 12c775db | Evgeny Voevodin | s->g_timer.reg.cnt += s->g_timer.count; |
549 | 12c775db | Evgeny Voevodin | |
550 | 12c775db | Evgeny Voevodin | /* Process all comparators */
|
551 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
552 | 12c775db | Evgeny Voevodin | |
553 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.cnt == s->g_timer.reg.comp[i]) {
|
554 | 12c775db | Evgeny Voevodin | /* reached nearest comparator */
|
555 | 12c775db | Evgeny Voevodin | |
556 | 12c775db | Evgeny Voevodin | s->g_timer.reg.int_cstat |= G_INT_CSTAT_COMP(i); |
557 | 12c775db | Evgeny Voevodin | |
558 | 12c775db | Evgeny Voevodin | /* Auto increment */
|
559 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.tcon & G_TCON_AUTO_ICREMENT(i)) {
|
560 | 12c775db | Evgeny Voevodin | s->g_timer.reg.comp[i] += s->g_timer.reg.comp_add_incr[i]; |
561 | 12c775db | Evgeny Voevodin | } |
562 | 12c775db | Evgeny Voevodin | |
563 | 12c775db | Evgeny Voevodin | /* IRQ */
|
564 | 12c775db | Evgeny Voevodin | exynos4210_gcomp_raise_irq(&s->g_timer, i); |
565 | 12c775db | Evgeny Voevodin | } |
566 | 12c775db | Evgeny Voevodin | } |
567 | 12c775db | Evgeny Voevodin | |
568 | 12c775db | Evgeny Voevodin | /* Reload FRC to reach nearest comparator */
|
569 | 12c775db | Evgeny Voevodin | s->g_timer.curr_comp = exynos4210_gcomp_find(s); |
570 | 12c775db | Evgeny Voevodin | distance = exynos4210_gcomp_get_distance(s, s->g_timer.curr_comp); |
571 | 97331270 | Jean-Christophe DUBOIS | if (distance > MCT_GT_COUNTER_STEP || !distance) {
|
572 | 12c775db | Evgeny Voevodin | distance = MCT_GT_COUNTER_STEP; |
573 | 12c775db | Evgeny Voevodin | } |
574 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_set_count(&s->g_timer, distance); |
575 | 12c775db | Evgeny Voevodin | |
576 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_start(&s->g_timer); |
577 | 12c775db | Evgeny Voevodin | } |
578 | 12c775db | Evgeny Voevodin | |
579 | 12c775db | Evgeny Voevodin | /*
|
580 | 12c775db | Evgeny Voevodin | * Get counter of FRC local timer.
|
581 | 12c775db | Evgeny Voevodin | */
|
582 | 12c775db | Evgeny Voevodin | static uint64_t exynos4210_lfrc_get_count(Exynos4210MCTLT *s)
|
583 | 12c775db | Evgeny Voevodin | { |
584 | 12c775db | Evgeny Voevodin | return ptimer_get_count(s->ptimer_frc);
|
585 | 12c775db | Evgeny Voevodin | } |
586 | 12c775db | Evgeny Voevodin | |
587 | 12c775db | Evgeny Voevodin | /*
|
588 | 12c775db | Evgeny Voevodin | * Set counter of FRC local timer.
|
589 | 12c775db | Evgeny Voevodin | */
|
590 | 12c775db | Evgeny Voevodin | static void exynos4210_lfrc_update_count(Exynos4210MCTLT *s) |
591 | 12c775db | Evgeny Voevodin | { |
592 | 12c775db | Evgeny Voevodin | if (!s->reg.cnt[L_REG_CNT_FRCCNTB]) {
|
593 | 12c775db | Evgeny Voevodin | ptimer_set_count(s->ptimer_frc, MCT_LT_COUNTER_STEP); |
594 | 12c775db | Evgeny Voevodin | } else {
|
595 | 12c775db | Evgeny Voevodin | ptimer_set_count(s->ptimer_frc, s->reg.cnt[L_REG_CNT_FRCCNTB]); |
596 | 12c775db | Evgeny Voevodin | } |
597 | 12c775db | Evgeny Voevodin | } |
598 | 12c775db | Evgeny Voevodin | |
599 | 12c775db | Evgeny Voevodin | /*
|
600 | 12c775db | Evgeny Voevodin | * Start local FRC timer
|
601 | 12c775db | Evgeny Voevodin | */
|
602 | 12c775db | Evgeny Voevodin | static void exynos4210_lfrc_start(Exynos4210MCTLT *s) |
603 | 12c775db | Evgeny Voevodin | { |
604 | 12c775db | Evgeny Voevodin | ptimer_run(s->ptimer_frc, 1);
|
605 | 12c775db | Evgeny Voevodin | } |
606 | 12c775db | Evgeny Voevodin | |
607 | 12c775db | Evgeny Voevodin | /*
|
608 | 12c775db | Evgeny Voevodin | * Stop local FRC timer
|
609 | 12c775db | Evgeny Voevodin | */
|
610 | 12c775db | Evgeny Voevodin | static void exynos4210_lfrc_stop(Exynos4210MCTLT *s) |
611 | 12c775db | Evgeny Voevodin | { |
612 | 12c775db | Evgeny Voevodin | ptimer_stop(s->ptimer_frc); |
613 | 12c775db | Evgeny Voevodin | } |
614 | 12c775db | Evgeny Voevodin | |
615 | 12c775db | Evgeny Voevodin | /*
|
616 | 12c775db | Evgeny Voevodin | * Local timer free running counter tick handler
|
617 | 12c775db | Evgeny Voevodin | */
|
618 | 12c775db | Evgeny Voevodin | static void exynos4210_lfrc_event(void *opaque) |
619 | 12c775db | Evgeny Voevodin | { |
620 | 12c775db | Evgeny Voevodin | Exynos4210MCTLT * s = (Exynos4210MCTLT *)opaque; |
621 | 12c775db | Evgeny Voevodin | |
622 | 12c775db | Evgeny Voevodin | /* local frc expired */
|
623 | 12c775db | Evgeny Voevodin | |
624 | 12c775db | Evgeny Voevodin | DPRINTF("\n");
|
625 | 12c775db | Evgeny Voevodin | |
626 | 12c775db | Evgeny Voevodin | s->reg.int_cstat |= L_INT_CSTAT_FRCCNT; |
627 | 12c775db | Evgeny Voevodin | |
628 | 12c775db | Evgeny Voevodin | /* update frc counter */
|
629 | 12c775db | Evgeny Voevodin | exynos4210_lfrc_update_count(s); |
630 | 12c775db | Evgeny Voevodin | |
631 | 12c775db | Evgeny Voevodin | /* raise irq */
|
632 | 12c775db | Evgeny Voevodin | if (s->reg.int_enb & L_INT_INTENB_FRCEIE) {
|
633 | 12c775db | Evgeny Voevodin | qemu_irq_raise(s->irq); |
634 | 12c775db | Evgeny Voevodin | } |
635 | 12c775db | Evgeny Voevodin | |
636 | 12c775db | Evgeny Voevodin | /* we reached here, this means that timer is enabled */
|
637 | 12c775db | Evgeny Voevodin | exynos4210_lfrc_start(s); |
638 | 12c775db | Evgeny Voevodin | } |
639 | 12c775db | Evgeny Voevodin | |
640 | 12c775db | Evgeny Voevodin | static uint32_t exynos4210_ltick_int_get_cnto(struct tick_timer *s); |
641 | 12c775db | Evgeny Voevodin | static uint32_t exynos4210_ltick_cnt_get_cnto(struct tick_timer *s); |
642 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_recalc_count(struct tick_timer *s); |
643 | 12c775db | Evgeny Voevodin | |
644 | 12c775db | Evgeny Voevodin | /*
|
645 | 12c775db | Evgeny Voevodin | * Action on enabling local tick int timer
|
646 | 12c775db | Evgeny Voevodin | */
|
647 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_int_start(struct tick_timer *s) |
648 | 12c775db | Evgeny Voevodin | { |
649 | 12c775db | Evgeny Voevodin | if (!s->int_run) {
|
650 | 12c775db | Evgeny Voevodin | s->int_run = 1;
|
651 | 12c775db | Evgeny Voevodin | } |
652 | 12c775db | Evgeny Voevodin | } |
653 | 12c775db | Evgeny Voevodin | |
654 | 12c775db | Evgeny Voevodin | /*
|
655 | 12c775db | Evgeny Voevodin | * Action on disabling local tick int timer
|
656 | 12c775db | Evgeny Voevodin | */
|
657 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_int_stop(struct tick_timer *s) |
658 | 12c775db | Evgeny Voevodin | { |
659 | 12c775db | Evgeny Voevodin | if (s->int_run) {
|
660 | 12c775db | Evgeny Voevodin | s->last_icnto = exynos4210_ltick_int_get_cnto(s); |
661 | 12c775db | Evgeny Voevodin | s->int_run = 0;
|
662 | 12c775db | Evgeny Voevodin | } |
663 | 12c775db | Evgeny Voevodin | } |
664 | 12c775db | Evgeny Voevodin | |
665 | 12c775db | Evgeny Voevodin | /*
|
666 | 12c775db | Evgeny Voevodin | * Get count for INT timer
|
667 | 12c775db | Evgeny Voevodin | */
|
668 | 12c775db | Evgeny Voevodin | static uint32_t exynos4210_ltick_int_get_cnto(struct tick_timer *s) |
669 | 12c775db | Evgeny Voevodin | { |
670 | 12c775db | Evgeny Voevodin | uint32_t icnto; |
671 | 12c775db | Evgeny Voevodin | uint64_t remain; |
672 | 12c775db | Evgeny Voevodin | uint64_t count; |
673 | 12c775db | Evgeny Voevodin | uint64_t counted; |
674 | 12c775db | Evgeny Voevodin | uint64_t cur_progress; |
675 | 12c775db | Evgeny Voevodin | |
676 | 12c775db | Evgeny Voevodin | count = ptimer_get_count(s->ptimer_tick); |
677 | 12c775db | Evgeny Voevodin | if (count) {
|
678 | 12c775db | Evgeny Voevodin | /* timer is still counting, called not from event */
|
679 | 12c775db | Evgeny Voevodin | counted = s->count - ptimer_get_count(s->ptimer_tick); |
680 | 12c775db | Evgeny Voevodin | cur_progress = s->progress + counted; |
681 | 12c775db | Evgeny Voevodin | } else {
|
682 | 12c775db | Evgeny Voevodin | /* timer expired earlier */
|
683 | 12c775db | Evgeny Voevodin | cur_progress = s->progress; |
684 | 12c775db | Evgeny Voevodin | } |
685 | 12c775db | Evgeny Voevodin | |
686 | 12c775db | Evgeny Voevodin | remain = s->distance - cur_progress; |
687 | 12c775db | Evgeny Voevodin | |
688 | 12c775db | Evgeny Voevodin | if (!s->int_run) {
|
689 | 12c775db | Evgeny Voevodin | /* INT is stopped. */
|
690 | 12c775db | Evgeny Voevodin | icnto = s->last_icnto; |
691 | 12c775db | Evgeny Voevodin | } else {
|
692 | 12c775db | Evgeny Voevodin | /* Both are counting */
|
693 | 12c775db | Evgeny Voevodin | icnto = remain / s->tcntb; |
694 | 12c775db | Evgeny Voevodin | } |
695 | 12c775db | Evgeny Voevodin | |
696 | 12c775db | Evgeny Voevodin | return icnto;
|
697 | 12c775db | Evgeny Voevodin | } |
698 | 12c775db | Evgeny Voevodin | |
699 | 12c775db | Evgeny Voevodin | /*
|
700 | 12c775db | Evgeny Voevodin | * Start local tick cnt timer.
|
701 | 12c775db | Evgeny Voevodin | */
|
702 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_cnt_start(struct tick_timer *s) |
703 | 12c775db | Evgeny Voevodin | { |
704 | 12c775db | Evgeny Voevodin | if (!s->cnt_run) {
|
705 | 12c775db | Evgeny Voevodin | |
706 | 12c775db | Evgeny Voevodin | exynos4210_ltick_recalc_count(s); |
707 | 12c775db | Evgeny Voevodin | ptimer_set_count(s->ptimer_tick, s->count); |
708 | 12c775db | Evgeny Voevodin | ptimer_run(s->ptimer_tick, 1);
|
709 | 12c775db | Evgeny Voevodin | |
710 | 12c775db | Evgeny Voevodin | s->cnt_run = 1;
|
711 | 12c775db | Evgeny Voevodin | } |
712 | 12c775db | Evgeny Voevodin | } |
713 | 12c775db | Evgeny Voevodin | |
714 | 12c775db | Evgeny Voevodin | /*
|
715 | 12c775db | Evgeny Voevodin | * Stop local tick cnt timer.
|
716 | 12c775db | Evgeny Voevodin | */
|
717 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_cnt_stop(struct tick_timer *s) |
718 | 12c775db | Evgeny Voevodin | { |
719 | 12c775db | Evgeny Voevodin | if (s->cnt_run) {
|
720 | 12c775db | Evgeny Voevodin | |
721 | 12c775db | Evgeny Voevodin | s->last_tcnto = exynos4210_ltick_cnt_get_cnto(s); |
722 | 12c775db | Evgeny Voevodin | |
723 | 12c775db | Evgeny Voevodin | if (s->int_run) {
|
724 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_stop(s); |
725 | 12c775db | Evgeny Voevodin | } |
726 | 12c775db | Evgeny Voevodin | |
727 | 12c775db | Evgeny Voevodin | ptimer_stop(s->ptimer_tick); |
728 | 12c775db | Evgeny Voevodin | |
729 | 12c775db | Evgeny Voevodin | s->cnt_run = 0;
|
730 | 12c775db | Evgeny Voevodin | } |
731 | 12c775db | Evgeny Voevodin | } |
732 | 12c775db | Evgeny Voevodin | |
733 | 12c775db | Evgeny Voevodin | /*
|
734 | 12c775db | Evgeny Voevodin | * Get counter for CNT timer
|
735 | 12c775db | Evgeny Voevodin | */
|
736 | 12c775db | Evgeny Voevodin | static uint32_t exynos4210_ltick_cnt_get_cnto(struct tick_timer *s) |
737 | 12c775db | Evgeny Voevodin | { |
738 | 12c775db | Evgeny Voevodin | uint32_t tcnto; |
739 | 12c775db | Evgeny Voevodin | uint32_t icnto; |
740 | 12c775db | Evgeny Voevodin | uint64_t remain; |
741 | 12c775db | Evgeny Voevodin | uint64_t counted; |
742 | 12c775db | Evgeny Voevodin | uint64_t count; |
743 | 12c775db | Evgeny Voevodin | uint64_t cur_progress; |
744 | 12c775db | Evgeny Voevodin | |
745 | 12c775db | Evgeny Voevodin | count = ptimer_get_count(s->ptimer_tick); |
746 | 12c775db | Evgeny Voevodin | if (count) {
|
747 | 12c775db | Evgeny Voevodin | /* timer is still counting, called not from event */
|
748 | 12c775db | Evgeny Voevodin | counted = s->count - ptimer_get_count(s->ptimer_tick); |
749 | 12c775db | Evgeny Voevodin | cur_progress = s->progress + counted; |
750 | 12c775db | Evgeny Voevodin | } else {
|
751 | 12c775db | Evgeny Voevodin | /* timer expired earlier */
|
752 | 12c775db | Evgeny Voevodin | cur_progress = s->progress; |
753 | 12c775db | Evgeny Voevodin | } |
754 | 12c775db | Evgeny Voevodin | |
755 | 12c775db | Evgeny Voevodin | remain = s->distance - cur_progress; |
756 | 12c775db | Evgeny Voevodin | |
757 | 12c775db | Evgeny Voevodin | if (!s->cnt_run) {
|
758 | 12c775db | Evgeny Voevodin | /* Both are stopped. */
|
759 | 12c775db | Evgeny Voevodin | tcnto = s->last_tcnto; |
760 | 12c775db | Evgeny Voevodin | } else if (!s->int_run) { |
761 | 12c775db | Evgeny Voevodin | /* INT counter is stopped, progress is by CNT timer */
|
762 | 12c775db | Evgeny Voevodin | tcnto = remain % s->tcntb; |
763 | 12c775db | Evgeny Voevodin | } else {
|
764 | 12c775db | Evgeny Voevodin | /* Both are counting */
|
765 | 12c775db | Evgeny Voevodin | icnto = remain / s->tcntb; |
766 | 12c775db | Evgeny Voevodin | if (icnto) {
|
767 | 12c775db | Evgeny Voevodin | tcnto = remain % (icnto * s->tcntb); |
768 | 12c775db | Evgeny Voevodin | } else {
|
769 | 12c775db | Evgeny Voevodin | tcnto = remain % s->tcntb; |
770 | 12c775db | Evgeny Voevodin | } |
771 | 12c775db | Evgeny Voevodin | } |
772 | 12c775db | Evgeny Voevodin | |
773 | 12c775db | Evgeny Voevodin | return tcnto;
|
774 | 12c775db | Evgeny Voevodin | } |
775 | 12c775db | Evgeny Voevodin | |
776 | 12c775db | Evgeny Voevodin | /*
|
777 | 12c775db | Evgeny Voevodin | * Set new values of counters for CNT and INT timers
|
778 | 12c775db | Evgeny Voevodin | */
|
779 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_set_cntb(struct tick_timer *s, uint32_t new_cnt, |
780 | 12c775db | Evgeny Voevodin | uint32_t new_int) |
781 | 12c775db | Evgeny Voevodin | { |
782 | 12c775db | Evgeny Voevodin | uint32_t cnt_stopped = 0;
|
783 | 12c775db | Evgeny Voevodin | uint32_t int_stopped = 0;
|
784 | 12c775db | Evgeny Voevodin | |
785 | 12c775db | Evgeny Voevodin | if (s->cnt_run) {
|
786 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_stop(s); |
787 | 12c775db | Evgeny Voevodin | cnt_stopped = 1;
|
788 | 12c775db | Evgeny Voevodin | } |
789 | 12c775db | Evgeny Voevodin | |
790 | 12c775db | Evgeny Voevodin | if (s->int_run) {
|
791 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_stop(s); |
792 | 12c775db | Evgeny Voevodin | int_stopped = 1;
|
793 | 12c775db | Evgeny Voevodin | } |
794 | 12c775db | Evgeny Voevodin | |
795 | 12c775db | Evgeny Voevodin | s->tcntb = new_cnt + 1;
|
796 | 12c775db | Evgeny Voevodin | s->icntb = new_int + 1;
|
797 | 12c775db | Evgeny Voevodin | |
798 | 12c775db | Evgeny Voevodin | if (cnt_stopped) {
|
799 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_start(s); |
800 | 12c775db | Evgeny Voevodin | } |
801 | 12c775db | Evgeny Voevodin | if (int_stopped) {
|
802 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_start(s); |
803 | 12c775db | Evgeny Voevodin | } |
804 | 12c775db | Evgeny Voevodin | |
805 | 12c775db | Evgeny Voevodin | } |
806 | 12c775db | Evgeny Voevodin | |
807 | 12c775db | Evgeny Voevodin | /*
|
808 | 12c775db | Evgeny Voevodin | * Calculate new counter value for tick timer
|
809 | 12c775db | Evgeny Voevodin | */
|
810 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_recalc_count(struct tick_timer *s) |
811 | 12c775db | Evgeny Voevodin | { |
812 | 12c775db | Evgeny Voevodin | uint64_t to_count; |
813 | 12c775db | Evgeny Voevodin | |
814 | 12c775db | Evgeny Voevodin | if ((s->cnt_run && s->last_tcnto) || (s->int_run && s->last_icnto)) {
|
815 | 12c775db | Evgeny Voevodin | /*
|
816 | 12c775db | Evgeny Voevodin | * one or both timers run and not counted to the end;
|
817 | 12c775db | Evgeny Voevodin | * distance is not passed, recalculate with last_tcnto * last_icnto
|
818 | 12c775db | Evgeny Voevodin | */
|
819 | 12c775db | Evgeny Voevodin | |
820 | 12c775db | Evgeny Voevodin | if (s->last_tcnto) {
|
821 | 12c775db | Evgeny Voevodin | to_count = s->last_tcnto * s->last_icnto; |
822 | 12c775db | Evgeny Voevodin | } else {
|
823 | 12c775db | Evgeny Voevodin | to_count = s->last_icnto; |
824 | 12c775db | Evgeny Voevodin | } |
825 | 12c775db | Evgeny Voevodin | } else {
|
826 | 12c775db | Evgeny Voevodin | /* distance is passed, recalculate with tcnto * icnto */
|
827 | 12c775db | Evgeny Voevodin | if (s->icntb) {
|
828 | 12c775db | Evgeny Voevodin | s->distance = s->tcntb * s->icntb; |
829 | 12c775db | Evgeny Voevodin | } else {
|
830 | 12c775db | Evgeny Voevodin | s->distance = s->tcntb; |
831 | 12c775db | Evgeny Voevodin | } |
832 | 12c775db | Evgeny Voevodin | |
833 | 12c775db | Evgeny Voevodin | to_count = s->distance; |
834 | 12c775db | Evgeny Voevodin | s->progress = 0;
|
835 | 12c775db | Evgeny Voevodin | } |
836 | 12c775db | Evgeny Voevodin | |
837 | 12c775db | Evgeny Voevodin | if (to_count > MCT_LT_COUNTER_STEP) {
|
838 | 12c775db | Evgeny Voevodin | /* count by step */
|
839 | 12c775db | Evgeny Voevodin | s->count = MCT_LT_COUNTER_STEP; |
840 | 12c775db | Evgeny Voevodin | } else {
|
841 | 12c775db | Evgeny Voevodin | s->count = to_count; |
842 | 12c775db | Evgeny Voevodin | } |
843 | 12c775db | Evgeny Voevodin | } |
844 | 12c775db | Evgeny Voevodin | |
845 | 12c775db | Evgeny Voevodin | /*
|
846 | 12c775db | Evgeny Voevodin | * Initialize tick_timer
|
847 | 12c775db | Evgeny Voevodin | */
|
848 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_timer_init(struct tick_timer *s) |
849 | 12c775db | Evgeny Voevodin | { |
850 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_stop(s); |
851 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_stop(s); |
852 | 12c775db | Evgeny Voevodin | |
853 | 12c775db | Evgeny Voevodin | s->count = 0;
|
854 | 12c775db | Evgeny Voevodin | s->distance = 0;
|
855 | 12c775db | Evgeny Voevodin | s->progress = 0;
|
856 | 12c775db | Evgeny Voevodin | s->icntb = 0;
|
857 | 12c775db | Evgeny Voevodin | s->tcntb = 0;
|
858 | 12c775db | Evgeny Voevodin | } |
859 | 12c775db | Evgeny Voevodin | |
860 | 12c775db | Evgeny Voevodin | /*
|
861 | 12c775db | Evgeny Voevodin | * tick_timer event.
|
862 | 12c775db | Evgeny Voevodin | * Raises when abstract tick_timer expires.
|
863 | 12c775db | Evgeny Voevodin | */
|
864 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_timer_event(struct tick_timer *s) |
865 | 12c775db | Evgeny Voevodin | { |
866 | 12c775db | Evgeny Voevodin | s->progress += s->count; |
867 | 12c775db | Evgeny Voevodin | } |
868 | 12c775db | Evgeny Voevodin | |
869 | 12c775db | Evgeny Voevodin | /*
|
870 | 12c775db | Evgeny Voevodin | * Local timer tick counter handler.
|
871 | 12c775db | Evgeny Voevodin | * Don't use reloaded timers. If timer counter = zero
|
872 | 12c775db | Evgeny Voevodin | * then handler called but after handler finished no
|
873 | 12c775db | Evgeny Voevodin | * timer reload occurs.
|
874 | 12c775db | Evgeny Voevodin | */
|
875 | 12c775db | Evgeny Voevodin | static void exynos4210_ltick_event(void *opaque) |
876 | 12c775db | Evgeny Voevodin | { |
877 | 12c775db | Evgeny Voevodin | Exynos4210MCTLT * s = (Exynos4210MCTLT *)opaque; |
878 | 12c775db | Evgeny Voevodin | uint32_t tcnto; |
879 | 12c775db | Evgeny Voevodin | uint32_t icnto; |
880 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
|
881 | 12c775db | Evgeny Voevodin | static uint64_t time1[2] = {0}; |
882 | 12c775db | Evgeny Voevodin | static uint64_t time2[2] = {0}; |
883 | 12c775db | Evgeny Voevodin | #endif
|
884 | 12c775db | Evgeny Voevodin | |
885 | 93148aa5 | Stefan Weil | /* Call tick_timer event handler, it will update its tcntb and icntb. */
|
886 | 12c775db | Evgeny Voevodin | exynos4210_ltick_timer_event(&s->tick_timer); |
887 | 12c775db | Evgeny Voevodin | |
888 | 12c775db | Evgeny Voevodin | /* get tick_timer cnt */
|
889 | 12c775db | Evgeny Voevodin | tcnto = exynos4210_ltick_cnt_get_cnto(&s->tick_timer); |
890 | 12c775db | Evgeny Voevodin | |
891 | 12c775db | Evgeny Voevodin | /* get tick_timer int */
|
892 | 12c775db | Evgeny Voevodin | icnto = exynos4210_ltick_int_get_cnto(&s->tick_timer); |
893 | 12c775db | Evgeny Voevodin | |
894 | 12c775db | Evgeny Voevodin | /* raise IRQ if needed */
|
895 | 12c775db | Evgeny Voevodin | if (!icnto && s->reg.tcon & L_TCON_INT_START) {
|
896 | 12c775db | Evgeny Voevodin | /* INT counter enabled and expired */
|
897 | 12c775db | Evgeny Voevodin | |
898 | 12c775db | Evgeny Voevodin | s->reg.int_cstat |= L_INT_CSTAT_INTCNT; |
899 | 12c775db | Evgeny Voevodin | |
900 | 12c775db | Evgeny Voevodin | /* raise interrupt if enabled */
|
901 | 12c775db | Evgeny Voevodin | if (s->reg.int_enb & L_INT_INTENB_ICNTEIE) {
|
902 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
|
903 | 12c775db | Evgeny Voevodin | time2[s->id] = qemu_get_clock_ns(vm_clock); |
904 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] IRQ: %llx\n", s->id,
|
905 | 12c775db | Evgeny Voevodin | time2[s->id] - time1[s->id]); |
906 | 12c775db | Evgeny Voevodin | time1[s->id] = time2[s->id]; |
907 | 12c775db | Evgeny Voevodin | #endif
|
908 | 12c775db | Evgeny Voevodin | qemu_irq_raise(s->irq); |
909 | 12c775db | Evgeny Voevodin | } |
910 | 12c775db | Evgeny Voevodin | |
911 | 12c775db | Evgeny Voevodin | /* reload ICNTB */
|
912 | 12c775db | Evgeny Voevodin | if (s->reg.tcon & L_TCON_INTERVAL_MODE) {
|
913 | 12c775db | Evgeny Voevodin | exynos4210_ltick_set_cntb(&s->tick_timer, |
914 | 12c775db | Evgeny Voevodin | s->reg.cnt[L_REG_CNT_TCNTB], |
915 | 12c775db | Evgeny Voevodin | s->reg.cnt[L_REG_CNT_ICNTB]); |
916 | 12c775db | Evgeny Voevodin | } |
917 | 12c775db | Evgeny Voevodin | } else {
|
918 | 12c775db | Evgeny Voevodin | /* reload TCNTB */
|
919 | 12c775db | Evgeny Voevodin | if (!tcnto) {
|
920 | 12c775db | Evgeny Voevodin | exynos4210_ltick_set_cntb(&s->tick_timer, |
921 | 12c775db | Evgeny Voevodin | s->reg.cnt[L_REG_CNT_TCNTB], |
922 | 12c775db | Evgeny Voevodin | icnto); |
923 | 12c775db | Evgeny Voevodin | } |
924 | 12c775db | Evgeny Voevodin | } |
925 | 12c775db | Evgeny Voevodin | |
926 | 12c775db | Evgeny Voevodin | /* start tick_timer cnt */
|
927 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_start(&s->tick_timer); |
928 | 12c775db | Evgeny Voevodin | |
929 | 12c775db | Evgeny Voevodin | /* start tick_timer int */
|
930 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_start(&s->tick_timer); |
931 | 12c775db | Evgeny Voevodin | } |
932 | 12c775db | Evgeny Voevodin | |
933 | 12c775db | Evgeny Voevodin | /* update timer frequency */
|
934 | 12c775db | Evgeny Voevodin | static void exynos4210_mct_update_freq(Exynos4210MCTState *s) |
935 | 12c775db | Evgeny Voevodin | { |
936 | 12c775db | Evgeny Voevodin | uint32_t freq = s->freq; |
937 | 12c775db | Evgeny Voevodin | s->freq = 24000000 /
|
938 | 12c775db | Evgeny Voevodin | ((MCT_CFG_GET_PRESCALER(s->reg_mct_cfg)+1) *
|
939 | 12c775db | Evgeny Voevodin | MCT_CFG_GET_DIVIDER(s->reg_mct_cfg)); |
940 | 12c775db | Evgeny Voevodin | |
941 | 12c775db | Evgeny Voevodin | if (freq != s->freq) {
|
942 | 12c775db | Evgeny Voevodin | DPRINTF("freq=%dHz\n", s->freq);
|
943 | 12c775db | Evgeny Voevodin | |
944 | 12c775db | Evgeny Voevodin | /* global timer */
|
945 | 12c775db | Evgeny Voevodin | ptimer_set_freq(s->g_timer.ptimer_frc, s->freq); |
946 | 12c775db | Evgeny Voevodin | |
947 | 12c775db | Evgeny Voevodin | /* local timer */
|
948 | 12c775db | Evgeny Voevodin | ptimer_set_freq(s->l_timer[0].tick_timer.ptimer_tick, s->freq);
|
949 | 12c775db | Evgeny Voevodin | ptimer_set_freq(s->l_timer[0].ptimer_frc, s->freq);
|
950 | 12c775db | Evgeny Voevodin | ptimer_set_freq(s->l_timer[1].tick_timer.ptimer_tick, s->freq);
|
951 | 12c775db | Evgeny Voevodin | ptimer_set_freq(s->l_timer[1].ptimer_frc, s->freq);
|
952 | 12c775db | Evgeny Voevodin | } |
953 | 12c775db | Evgeny Voevodin | } |
954 | 12c775db | Evgeny Voevodin | |
955 | 12c775db | Evgeny Voevodin | /* set defaul_timer values for all fields */
|
956 | 12c775db | Evgeny Voevodin | static void exynos4210_mct_reset(DeviceState *d) |
957 | 12c775db | Evgeny Voevodin | { |
958 | 12c775db | Evgeny Voevodin | Exynos4210MCTState *s = (Exynos4210MCTState *)d; |
959 | 12c775db | Evgeny Voevodin | uint32_t i; |
960 | 12c775db | Evgeny Voevodin | |
961 | 12c775db | Evgeny Voevodin | s->reg_mct_cfg = 0;
|
962 | 12c775db | Evgeny Voevodin | |
963 | 12c775db | Evgeny Voevodin | /* global timer */
|
964 | 12c775db | Evgeny Voevodin | memset(&s->g_timer.reg, 0, sizeof(s->g_timer.reg)); |
965 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_stop(&s->g_timer); |
966 | 12c775db | Evgeny Voevodin | |
967 | 12c775db | Evgeny Voevodin | /* local timer */
|
968 | 12c775db | Evgeny Voevodin | memset(s->l_timer[0].reg.cnt, 0, sizeof(s->l_timer[0].reg.cnt)); |
969 | 12c775db | Evgeny Voevodin | memset(s->l_timer[1].reg.cnt, 0, sizeof(s->l_timer[1].reg.cnt)); |
970 | 12c775db | Evgeny Voevodin | for (i = 0; i < 2; i++) { |
971 | 12c775db | Evgeny Voevodin | s->l_timer[i].reg.int_cstat = 0;
|
972 | 12c775db | Evgeny Voevodin | s->l_timer[i].reg.int_enb = 0;
|
973 | 12c775db | Evgeny Voevodin | s->l_timer[i].reg.tcon = 0;
|
974 | 12c775db | Evgeny Voevodin | s->l_timer[i].reg.wstat = 0;
|
975 | 12c775db | Evgeny Voevodin | s->l_timer[i].tick_timer.count = 0;
|
976 | 12c775db | Evgeny Voevodin | s->l_timer[i].tick_timer.distance = 0;
|
977 | 12c775db | Evgeny Voevodin | s->l_timer[i].tick_timer.progress = 0;
|
978 | 12c775db | Evgeny Voevodin | ptimer_stop(s->l_timer[i].ptimer_frc); |
979 | 12c775db | Evgeny Voevodin | |
980 | 12c775db | Evgeny Voevodin | exynos4210_ltick_timer_init(&s->l_timer[i].tick_timer); |
981 | 12c775db | Evgeny Voevodin | } |
982 | 12c775db | Evgeny Voevodin | |
983 | 12c775db | Evgeny Voevodin | exynos4210_mct_update_freq(s); |
984 | 12c775db | Evgeny Voevodin | |
985 | 12c775db | Evgeny Voevodin | } |
986 | 12c775db | Evgeny Voevodin | |
987 | 12c775db | Evgeny Voevodin | /* Multi Core Timer read */
|
988 | a8170e5e | Avi Kivity | static uint64_t exynos4210_mct_read(void *opaque, hwaddr offset, |
989 | 12c775db | Evgeny Voevodin | unsigned size)
|
990 | 12c775db | Evgeny Voevodin | { |
991 | 12c775db | Evgeny Voevodin | Exynos4210MCTState *s = (Exynos4210MCTState *)opaque; |
992 | 12c775db | Evgeny Voevodin | int index;
|
993 | 12c775db | Evgeny Voevodin | int shift;
|
994 | 12c775db | Evgeny Voevodin | uint64_t count; |
995 | 12c775db | Evgeny Voevodin | uint32_t value; |
996 | 12c775db | Evgeny Voevodin | int lt_i;
|
997 | 12c775db | Evgeny Voevodin | |
998 | 12c775db | Evgeny Voevodin | switch (offset) {
|
999 | 12c775db | Evgeny Voevodin | |
1000 | 12c775db | Evgeny Voevodin | case MCT_CFG:
|
1001 | 12c775db | Evgeny Voevodin | value = s->reg_mct_cfg; |
1002 | 12c775db | Evgeny Voevodin | break;
|
1003 | 12c775db | Evgeny Voevodin | |
1004 | 12c775db | Evgeny Voevodin | case G_CNT_L: case G_CNT_U: |
1005 | 12c775db | Evgeny Voevodin | shift = 8 * (offset & 0x4); |
1006 | 12c775db | Evgeny Voevodin | count = exynos4210_gfrc_get_count(&s->g_timer); |
1007 | 12c775db | Evgeny Voevodin | value = UINT32_MAX & (count >> shift); |
1008 | 12c775db | Evgeny Voevodin | DPRINTF("read FRC=0x%llx\n", count);
|
1009 | 12c775db | Evgeny Voevodin | break;
|
1010 | 12c775db | Evgeny Voevodin | |
1011 | 12c775db | Evgeny Voevodin | case G_CNT_WSTAT:
|
1012 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.cnt_wstat; |
1013 | 12c775db | Evgeny Voevodin | break;
|
1014 | 12c775db | Evgeny Voevodin | |
1015 | 12c775db | Evgeny Voevodin | case G_COMP_L(0): case G_COMP_L(1): case G_COMP_L(2): case G_COMP_L(3): |
1016 | 12c775db | Evgeny Voevodin | case G_COMP_U(0): case G_COMP_U(1): case G_COMP_U(2): case G_COMP_U(3): |
1017 | 12c775db | Evgeny Voevodin | index = GET_G_COMP_IDX(offset); |
1018 | 12c775db | Evgeny Voevodin | shift = 8 * (offset & 0x4); |
1019 | 12c775db | Evgeny Voevodin | value = UINT32_MAX & (s->g_timer.reg.comp[index] >> shift); |
1020 | 12c775db | Evgeny Voevodin | break;
|
1021 | 12c775db | Evgeny Voevodin | |
1022 | 12c775db | Evgeny Voevodin | case G_TCON:
|
1023 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.tcon; |
1024 | 12c775db | Evgeny Voevodin | break;
|
1025 | 12c775db | Evgeny Voevodin | |
1026 | 12c775db | Evgeny Voevodin | case G_INT_CSTAT:
|
1027 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.int_cstat; |
1028 | 12c775db | Evgeny Voevodin | break;
|
1029 | 12c775db | Evgeny Voevodin | |
1030 | 12c775db | Evgeny Voevodin | case G_INT_ENB:
|
1031 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.int_enb; |
1032 | 12c775db | Evgeny Voevodin | break;
|
1033 | 12c775db | Evgeny Voevodin | break;
|
1034 | 12c775db | Evgeny Voevodin | case G_WSTAT:
|
1035 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.wstat; |
1036 | 12c775db | Evgeny Voevodin | break;
|
1037 | 12c775db | Evgeny Voevodin | |
1038 | 12c775db | Evgeny Voevodin | case G_COMP0_ADD_INCR: case G_COMP1_ADD_INCR: |
1039 | 12c775db | Evgeny Voevodin | case G_COMP2_ADD_INCR: case G_COMP3_ADD_INCR: |
1040 | 12c775db | Evgeny Voevodin | value = s->g_timer.reg.comp_add_incr[GET_G_COMP_ADD_INCR_IDX(offset)]; |
1041 | 12c775db | Evgeny Voevodin | break;
|
1042 | 12c775db | Evgeny Voevodin | |
1043 | 12c775db | Evgeny Voevodin | /* Local timers */
|
1044 | 12c775db | Evgeny Voevodin | case L0_TCNTB: case L0_ICNTB: case L0_FRCNTB: |
1045 | 12c775db | Evgeny Voevodin | case L1_TCNTB: case L1_ICNTB: case L1_FRCNTB: |
1046 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1047 | 12c775db | Evgeny Voevodin | index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i); |
1048 | 12c775db | Evgeny Voevodin | value = s->l_timer[lt_i].reg.cnt[index]; |
1049 | 12c775db | Evgeny Voevodin | break;
|
1050 | 12c775db | Evgeny Voevodin | |
1051 | 12c775db | Evgeny Voevodin | case L0_TCNTO: case L1_TCNTO: |
1052 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1053 | 12c775db | Evgeny Voevodin | |
1054 | 12c775db | Evgeny Voevodin | value = exynos4210_ltick_cnt_get_cnto(&s->l_timer[lt_i].tick_timer); |
1055 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] read TCNTO %x\n", lt_i, value);
|
1056 | 12c775db | Evgeny Voevodin | break;
|
1057 | 12c775db | Evgeny Voevodin | |
1058 | 12c775db | Evgeny Voevodin | case L0_ICNTO: case L1_ICNTO: |
1059 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1060 | 12c775db | Evgeny Voevodin | |
1061 | 12c775db | Evgeny Voevodin | value = exynos4210_ltick_int_get_cnto(&s->l_timer[lt_i].tick_timer); |
1062 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] read ICNTO %x\n", lt_i, value);
|
1063 | 12c775db | Evgeny Voevodin | break;
|
1064 | 12c775db | Evgeny Voevodin | |
1065 | 12c775db | Evgeny Voevodin | case L0_FRCNTO: case L1_FRCNTO: |
1066 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1067 | 12c775db | Evgeny Voevodin | |
1068 | 12c775db | Evgeny Voevodin | value = exynos4210_lfrc_get_count(&s->l_timer[lt_i]); |
1069 | 12c775db | Evgeny Voevodin | |
1070 | 12c775db | Evgeny Voevodin | break;
|
1071 | 12c775db | Evgeny Voevodin | |
1072 | 12c775db | Evgeny Voevodin | case L0_TCON: case L1_TCON: |
1073 | 12c775db | Evgeny Voevodin | lt_i = ((offset & 0xF00) - L0_TCNTB) / 0x100; |
1074 | 12c775db | Evgeny Voevodin | value = s->l_timer[lt_i].reg.tcon; |
1075 | 12c775db | Evgeny Voevodin | break;
|
1076 | 12c775db | Evgeny Voevodin | |
1077 | 12c775db | Evgeny Voevodin | case L0_INT_CSTAT: case L1_INT_CSTAT: |
1078 | 12c775db | Evgeny Voevodin | lt_i = ((offset & 0xF00) - L0_TCNTB) / 0x100; |
1079 | 12c775db | Evgeny Voevodin | value = s->l_timer[lt_i].reg.int_cstat; |
1080 | 12c775db | Evgeny Voevodin | break;
|
1081 | 12c775db | Evgeny Voevodin | |
1082 | 12c775db | Evgeny Voevodin | case L0_INT_ENB: case L1_INT_ENB: |
1083 | 12c775db | Evgeny Voevodin | lt_i = ((offset & 0xF00) - L0_TCNTB) / 0x100; |
1084 | 12c775db | Evgeny Voevodin | value = s->l_timer[lt_i].reg.int_enb; |
1085 | 12c775db | Evgeny Voevodin | break;
|
1086 | 12c775db | Evgeny Voevodin | |
1087 | 12c775db | Evgeny Voevodin | case L0_WSTAT: case L1_WSTAT: |
1088 | 12c775db | Evgeny Voevodin | lt_i = ((offset & 0xF00) - L0_TCNTB) / 0x100; |
1089 | 12c775db | Evgeny Voevodin | value = s->l_timer[lt_i].reg.wstat; |
1090 | 12c775db | Evgeny Voevodin | break;
|
1091 | 12c775db | Evgeny Voevodin | |
1092 | 12c775db | Evgeny Voevodin | default:
|
1093 | 12c775db | Evgeny Voevodin | hw_error("exynos4210.mct: bad read offset "
|
1094 | 12c775db | Evgeny Voevodin | TARGET_FMT_plx "\n", offset);
|
1095 | 12c775db | Evgeny Voevodin | break;
|
1096 | 12c775db | Evgeny Voevodin | } |
1097 | 12c775db | Evgeny Voevodin | return value;
|
1098 | 12c775db | Evgeny Voevodin | } |
1099 | 12c775db | Evgeny Voevodin | |
1100 | 12c775db | Evgeny Voevodin | /* MCT write */
|
1101 | a8170e5e | Avi Kivity | static void exynos4210_mct_write(void *opaque, hwaddr offset, |
1102 | 12c775db | Evgeny Voevodin | uint64_t value, unsigned size)
|
1103 | 12c775db | Evgeny Voevodin | { |
1104 | 12c775db | Evgeny Voevodin | Exynos4210MCTState *s = (Exynos4210MCTState *)opaque; |
1105 | 12c775db | Evgeny Voevodin | int index; /* index in buffer which represents register set */ |
1106 | 12c775db | Evgeny Voevodin | int shift;
|
1107 | 12c775db | Evgeny Voevodin | int lt_i;
|
1108 | 12c775db | Evgeny Voevodin | uint64_t new_frc; |
1109 | 12c775db | Evgeny Voevodin | uint32_t i; |
1110 | 12c775db | Evgeny Voevodin | uint32_t old_val; |
1111 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
|
1112 | 12c775db | Evgeny Voevodin | static uint32_t icntb_max[2] = {0}; |
1113 | 12c775db | Evgeny Voevodin | static uint32_t icntb_min[2] = {UINT32_MAX, UINT32_MAX}; |
1114 | 12c775db | Evgeny Voevodin | static uint32_t tcntb_max[2] = {0}; |
1115 | 12c775db | Evgeny Voevodin | static uint32_t tcntb_min[2] = {UINT32_MAX, UINT32_MAX}; |
1116 | 12c775db | Evgeny Voevodin | #endif
|
1117 | 12c775db | Evgeny Voevodin | |
1118 | 12c775db | Evgeny Voevodin | new_frc = s->g_timer.reg.cnt; |
1119 | 12c775db | Evgeny Voevodin | |
1120 | 12c775db | Evgeny Voevodin | switch (offset) {
|
1121 | 12c775db | Evgeny Voevodin | |
1122 | 12c775db | Evgeny Voevodin | case MCT_CFG:
|
1123 | 12c775db | Evgeny Voevodin | s->reg_mct_cfg = value; |
1124 | 12c775db | Evgeny Voevodin | exynos4210_mct_update_freq(s); |
1125 | 12c775db | Evgeny Voevodin | break;
|
1126 | 12c775db | Evgeny Voevodin | |
1127 | 12c775db | Evgeny Voevodin | case G_CNT_L:
|
1128 | 12c775db | Evgeny Voevodin | case G_CNT_U:
|
1129 | 12c775db | Evgeny Voevodin | if (offset == G_CNT_L) {
|
1130 | 12c775db | Evgeny Voevodin | |
1131 | 12c775db | Evgeny Voevodin | DPRINTF("global timer write to reg.cntl %llx\n", value);
|
1132 | 12c775db | Evgeny Voevodin | |
1133 | 12c775db | Evgeny Voevodin | new_frc = (s->g_timer.reg.cnt & (uint64_t)UINT32_MAX << 32) + value;
|
1134 | 12c775db | Evgeny Voevodin | s->g_timer.reg.cnt_wstat |= G_CNT_WSTAT_L; |
1135 | 12c775db | Evgeny Voevodin | } |
1136 | 12c775db | Evgeny Voevodin | if (offset == G_CNT_U) {
|
1137 | 12c775db | Evgeny Voevodin | |
1138 | 12c775db | Evgeny Voevodin | DPRINTF("global timer write to reg.cntu %llx\n", value);
|
1139 | 12c775db | Evgeny Voevodin | |
1140 | 12c775db | Evgeny Voevodin | new_frc = (s->g_timer.reg.cnt & UINT32_MAX) + |
1141 | 12c775db | Evgeny Voevodin | ((uint64_t)value << 32);
|
1142 | 12c775db | Evgeny Voevodin | s->g_timer.reg.cnt_wstat |= G_CNT_WSTAT_U; |
1143 | 12c775db | Evgeny Voevodin | } |
1144 | 12c775db | Evgeny Voevodin | |
1145 | 12c775db | Evgeny Voevodin | s->g_timer.reg.cnt = new_frc; |
1146 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_restart(s); |
1147 | 12c775db | Evgeny Voevodin | break;
|
1148 | 12c775db | Evgeny Voevodin | |
1149 | 12c775db | Evgeny Voevodin | case G_CNT_WSTAT:
|
1150 | 12c775db | Evgeny Voevodin | s->g_timer.reg.cnt_wstat &= ~(value); |
1151 | 12c775db | Evgeny Voevodin | break;
|
1152 | 12c775db | Evgeny Voevodin | |
1153 | 12c775db | Evgeny Voevodin | case G_COMP_L(0): case G_COMP_L(1): case G_COMP_L(2): case G_COMP_L(3): |
1154 | 12c775db | Evgeny Voevodin | case G_COMP_U(0): case G_COMP_U(1): case G_COMP_U(2): case G_COMP_U(3): |
1155 | 12c775db | Evgeny Voevodin | index = GET_G_COMP_IDX(offset); |
1156 | 12c775db | Evgeny Voevodin | shift = 8 * (offset & 0x4); |
1157 | 12c775db | Evgeny Voevodin | s->g_timer.reg.comp[index] = |
1158 | 12c775db | Evgeny Voevodin | (s->g_timer.reg.comp[index] & |
1159 | 12c775db | Evgeny Voevodin | (((uint64_t)UINT32_MAX << 32) >> shift)) +
|
1160 | 12c775db | Evgeny Voevodin | (value << shift); |
1161 | 12c775db | Evgeny Voevodin | |
1162 | 12c775db | Evgeny Voevodin | DPRINTF("comparator %d write 0x%llx val << %d\n", index, value, shift);
|
1163 | 12c775db | Evgeny Voevodin | |
1164 | 12c775db | Evgeny Voevodin | if (offset&0x4) { |
1165 | 12c775db | Evgeny Voevodin | s->g_timer.reg.wstat |= G_WSTAT_COMP_U(index); |
1166 | 12c775db | Evgeny Voevodin | } else {
|
1167 | 12c775db | Evgeny Voevodin | s->g_timer.reg.wstat |= G_WSTAT_COMP_L(index); |
1168 | 12c775db | Evgeny Voevodin | } |
1169 | 12c775db | Evgeny Voevodin | |
1170 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_restart(s); |
1171 | 12c775db | Evgeny Voevodin | break;
|
1172 | 12c775db | Evgeny Voevodin | |
1173 | 12c775db | Evgeny Voevodin | case G_TCON:
|
1174 | 12c775db | Evgeny Voevodin | old_val = s->g_timer.reg.tcon; |
1175 | 12c775db | Evgeny Voevodin | s->g_timer.reg.tcon = value; |
1176 | 12c775db | Evgeny Voevodin | s->g_timer.reg.wstat |= G_WSTAT_TCON_WRITE; |
1177 | 12c775db | Evgeny Voevodin | |
1178 | 12c775db | Evgeny Voevodin | DPRINTF("global timer write to reg.g_tcon %llx\n", value);
|
1179 | 12c775db | Evgeny Voevodin | |
1180 | 12c775db | Evgeny Voevodin | /* Start FRC if transition from disabled to enabled */
|
1181 | 12c775db | Evgeny Voevodin | if ((value & G_TCON_TIMER_ENABLE) > (old_val &
|
1182 | 12c775db | Evgeny Voevodin | G_TCON_TIMER_ENABLE)) { |
1183 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_start(&s->g_timer); |
1184 | 12c775db | Evgeny Voevodin | } |
1185 | 12c775db | Evgeny Voevodin | if ((value & G_TCON_TIMER_ENABLE) < (old_val &
|
1186 | 12c775db | Evgeny Voevodin | G_TCON_TIMER_ENABLE)) { |
1187 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_stop(&s->g_timer); |
1188 | 12c775db | Evgeny Voevodin | } |
1189 | 12c775db | Evgeny Voevodin | |
1190 | 12c775db | Evgeny Voevodin | /* Start CMP if transition from disabled to enabled */
|
1191 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
1192 | 12c775db | Evgeny Voevodin | if ((value & G_TCON_COMP_ENABLE(i)) != (old_val &
|
1193 | 12c775db | Evgeny Voevodin | G_TCON_COMP_ENABLE(i))) { |
1194 | 12c775db | Evgeny Voevodin | exynos4210_gfrc_restart(s); |
1195 | 12c775db | Evgeny Voevodin | } |
1196 | 12c775db | Evgeny Voevodin | } |
1197 | 12c775db | Evgeny Voevodin | break;
|
1198 | 12c775db | Evgeny Voevodin | |
1199 | 12c775db | Evgeny Voevodin | case G_INT_CSTAT:
|
1200 | 12c775db | Evgeny Voevodin | s->g_timer.reg.int_cstat &= ~(value); |
1201 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
1202 | 12c775db | Evgeny Voevodin | if (value & G_INT_CSTAT_COMP(i)) {
|
1203 | 12c775db | Evgeny Voevodin | exynos4210_gcomp_lower_irq(&s->g_timer, i); |
1204 | 12c775db | Evgeny Voevodin | } |
1205 | 12c775db | Evgeny Voevodin | } |
1206 | 12c775db | Evgeny Voevodin | break;
|
1207 | 12c775db | Evgeny Voevodin | |
1208 | 12c775db | Evgeny Voevodin | case G_INT_ENB:
|
1209 | 12c775db | Evgeny Voevodin | |
1210 | 12c775db | Evgeny Voevodin | /* Raise IRQ if transition from disabled to enabled and CSTAT pending */
|
1211 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
1212 | 12c775db | Evgeny Voevodin | if ((value & G_INT_ENABLE(i)) > (s->g_timer.reg.tcon &
|
1213 | 12c775db | Evgeny Voevodin | G_INT_ENABLE(i))) { |
1214 | 12c775db | Evgeny Voevodin | if (s->g_timer.reg.int_cstat & G_INT_CSTAT_COMP(i)) {
|
1215 | 12c775db | Evgeny Voevodin | exynos4210_gcomp_raise_irq(&s->g_timer, i); |
1216 | 12c775db | Evgeny Voevodin | } |
1217 | 12c775db | Evgeny Voevodin | } |
1218 | 12c775db | Evgeny Voevodin | |
1219 | 12c775db | Evgeny Voevodin | if ((value & G_INT_ENABLE(i)) < (s->g_timer.reg.tcon &
|
1220 | 12c775db | Evgeny Voevodin | G_INT_ENABLE(i))) { |
1221 | 12c775db | Evgeny Voevodin | exynos4210_gcomp_lower_irq(&s->g_timer, i); |
1222 | 12c775db | Evgeny Voevodin | } |
1223 | 12c775db | Evgeny Voevodin | } |
1224 | 12c775db | Evgeny Voevodin | |
1225 | 12c775db | Evgeny Voevodin | DPRINTF("global timer INT enable %llx\n", value);
|
1226 | 12c775db | Evgeny Voevodin | s->g_timer.reg.int_enb = value; |
1227 | 12c775db | Evgeny Voevodin | break;
|
1228 | 12c775db | Evgeny Voevodin | |
1229 | 12c775db | Evgeny Voevodin | case G_WSTAT:
|
1230 | 12c775db | Evgeny Voevodin | s->g_timer.reg.wstat &= ~(value); |
1231 | 12c775db | Evgeny Voevodin | break;
|
1232 | 12c775db | Evgeny Voevodin | |
1233 | 12c775db | Evgeny Voevodin | case G_COMP0_ADD_INCR: case G_COMP1_ADD_INCR: |
1234 | 12c775db | Evgeny Voevodin | case G_COMP2_ADD_INCR: case G_COMP3_ADD_INCR: |
1235 | 12c775db | Evgeny Voevodin | index = GET_G_COMP_ADD_INCR_IDX(offset); |
1236 | 12c775db | Evgeny Voevodin | s->g_timer.reg.comp_add_incr[index] = value; |
1237 | 12c775db | Evgeny Voevodin | s->g_timer.reg.wstat |= G_WSTAT_COMP_ADDINCR(index); |
1238 | 12c775db | Evgeny Voevodin | break;
|
1239 | 12c775db | Evgeny Voevodin | |
1240 | 12c775db | Evgeny Voevodin | /* Local timers */
|
1241 | 12c775db | Evgeny Voevodin | case L0_TCON: case L1_TCON: |
1242 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1243 | 12c775db | Evgeny Voevodin | old_val = s->l_timer[lt_i].reg.tcon; |
1244 | 12c775db | Evgeny Voevodin | |
1245 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCON_WRITE; |
1246 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.tcon = value; |
1247 | 12c775db | Evgeny Voevodin | |
1248 | 12c775db | Evgeny Voevodin | /* Stop local CNT */
|
1249 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_TICK_START) <
|
1250 | 12c775db | Evgeny Voevodin | (old_val & L_TCON_TICK_START)) { |
1251 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] stop cnt\n", lt_i);
|
1252 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_stop(&s->l_timer[lt_i].tick_timer); |
1253 | 12c775db | Evgeny Voevodin | } |
1254 | 12c775db | Evgeny Voevodin | |
1255 | 12c775db | Evgeny Voevodin | /* Stop local INT */
|
1256 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_INT_START) <
|
1257 | 12c775db | Evgeny Voevodin | (old_val & L_TCON_INT_START)) { |
1258 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] stop int\n", lt_i);
|
1259 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_stop(&s->l_timer[lt_i].tick_timer); |
1260 | 12c775db | Evgeny Voevodin | } |
1261 | 12c775db | Evgeny Voevodin | |
1262 | 12c775db | Evgeny Voevodin | /* Start local CNT */
|
1263 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_TICK_START) >
|
1264 | 12c775db | Evgeny Voevodin | (old_val & L_TCON_TICK_START)) { |
1265 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] start cnt\n", lt_i);
|
1266 | 12c775db | Evgeny Voevodin | exynos4210_ltick_cnt_start(&s->l_timer[lt_i].tick_timer); |
1267 | 12c775db | Evgeny Voevodin | } |
1268 | 12c775db | Evgeny Voevodin | |
1269 | 12c775db | Evgeny Voevodin | /* Start local INT */
|
1270 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_INT_START) >
|
1271 | 12c775db | Evgeny Voevodin | (old_val & L_TCON_INT_START)) { |
1272 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] start int\n", lt_i);
|
1273 | 12c775db | Evgeny Voevodin | exynos4210_ltick_int_start(&s->l_timer[lt_i].tick_timer); |
1274 | 12c775db | Evgeny Voevodin | } |
1275 | 12c775db | Evgeny Voevodin | |
1276 | 12c775db | Evgeny Voevodin | /* Start or Stop local FRC if TCON changed */
|
1277 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_FRC_START) >
|
1278 | 12c775db | Evgeny Voevodin | (s->l_timer[lt_i].reg.tcon & L_TCON_FRC_START)) { |
1279 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] start frc\n", lt_i);
|
1280 | 12c775db | Evgeny Voevodin | exynos4210_lfrc_start(&s->l_timer[lt_i]); |
1281 | 12c775db | Evgeny Voevodin | } |
1282 | 12c775db | Evgeny Voevodin | if ((value & L_TCON_FRC_START) <
|
1283 | 12c775db | Evgeny Voevodin | (s->l_timer[lt_i].reg.tcon & L_TCON_FRC_START)) { |
1284 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] stop frc\n", lt_i);
|
1285 | 12c775db | Evgeny Voevodin | exynos4210_lfrc_stop(&s->l_timer[lt_i]); |
1286 | 12c775db | Evgeny Voevodin | } |
1287 | 12c775db | Evgeny Voevodin | break;
|
1288 | 12c775db | Evgeny Voevodin | |
1289 | 12c775db | Evgeny Voevodin | case L0_TCNTB: case L1_TCNTB: |
1290 | 12c775db | Evgeny Voevodin | |
1291 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1292 | 12c775db | Evgeny Voevodin | index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i); |
1293 | 12c775db | Evgeny Voevodin | |
1294 | 12c775db | Evgeny Voevodin | /*
|
1295 | 12c775db | Evgeny Voevodin | * TCNTB is updated to internal register only after CNT expired.
|
1296 | 12c775db | Evgeny Voevodin | * Due to this we should reload timer to nearest moment when CNT is
|
1297 | 12c775db | Evgeny Voevodin | * expired and then in event handler update tcntb to new TCNTB value.
|
1298 | 12c775db | Evgeny Voevodin | */
|
1299 | 12c775db | Evgeny Voevodin | exynos4210_ltick_set_cntb(&s->l_timer[lt_i].tick_timer, value, |
1300 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].tick_timer.icntb); |
1301 | 12c775db | Evgeny Voevodin | |
1302 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.wstat |= L_WSTAT_TCNTB_WRITE; |
1303 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB] = value; |
1304 | 12c775db | Evgeny Voevodin | |
1305 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
|
1306 | 12c775db | Evgeny Voevodin | if (tcntb_min[lt_i] > value) {
|
1307 | 12c775db | Evgeny Voevodin | tcntb_min[lt_i] = value; |
1308 | 12c775db | Evgeny Voevodin | } |
1309 | 12c775db | Evgeny Voevodin | if (tcntb_max[lt_i] < value) {
|
1310 | 12c775db | Evgeny Voevodin | tcntb_max[lt_i] = value; |
1311 | 12c775db | Evgeny Voevodin | } |
1312 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] TCNTB write %llx; max=%x, min=%x\n",
|
1313 | 12c775db | Evgeny Voevodin | lt_i, value, tcntb_max[lt_i], tcntb_min[lt_i]); |
1314 | 12c775db | Evgeny Voevodin | #endif
|
1315 | 12c775db | Evgeny Voevodin | break;
|
1316 | 12c775db | Evgeny Voevodin | |
1317 | 12c775db | Evgeny Voevodin | case L0_ICNTB: case L1_ICNTB: |
1318 | 12c775db | Evgeny Voevodin | |
1319 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1320 | 12c775db | Evgeny Voevodin | index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i); |
1321 | 12c775db | Evgeny Voevodin | |
1322 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.wstat |= L_WSTAT_ICNTB_WRITE; |
1323 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = value & |
1324 | 12c775db | Evgeny Voevodin | ~L_ICNTB_MANUAL_UPDATE; |
1325 | 12c775db | Evgeny Voevodin | |
1326 | 12c775db | Evgeny Voevodin | /*
|
1327 | 12c775db | Evgeny Voevodin | * We need to avoid too small values for TCNTB*ICNTB. If not, IRQ event
|
1328 | 12c775db | Evgeny Voevodin | * could raise too fast disallowing QEMU to execute target code.
|
1329 | 12c775db | Evgeny Voevodin | */
|
1330 | 12c775db | Evgeny Voevodin | if (s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] *
|
1331 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB] < MCT_LT_CNT_LOW_LIMIT) { |
1332 | 12c775db | Evgeny Voevodin | if (!s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB]) {
|
1333 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = |
1334 | 12c775db | Evgeny Voevodin | MCT_LT_CNT_LOW_LIMIT; |
1335 | 12c775db | Evgeny Voevodin | } else {
|
1336 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = |
1337 | 12c775db | Evgeny Voevodin | MCT_LT_CNT_LOW_LIMIT / |
1338 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_TCNTB]; |
1339 | 12c775db | Evgeny Voevodin | } |
1340 | 12c775db | Evgeny Voevodin | } |
1341 | 12c775db | Evgeny Voevodin | |
1342 | 12c775db | Evgeny Voevodin | if (value & L_ICNTB_MANUAL_UPDATE) {
|
1343 | 12c775db | Evgeny Voevodin | exynos4210_ltick_set_cntb(&s->l_timer[lt_i].tick_timer, |
1344 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].tick_timer.tcntb, |
1345 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB]); |
1346 | 12c775db | Evgeny Voevodin | } |
1347 | 12c775db | Evgeny Voevodin | |
1348 | 12c775db | Evgeny Voevodin | #ifdef DEBUG_MCT
|
1349 | 12c775db | Evgeny Voevodin | if (icntb_min[lt_i] > value) {
|
1350 | 12c775db | Evgeny Voevodin | icntb_min[lt_i] = value; |
1351 | 12c775db | Evgeny Voevodin | } |
1352 | 12c775db | Evgeny Voevodin | if (icntb_max[lt_i] < value) {
|
1353 | 12c775db | Evgeny Voevodin | icntb_max[lt_i] = value; |
1354 | 12c775db | Evgeny Voevodin | } |
1355 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] ICNTB write %llx; max=%x, min=%x\n\n",
|
1356 | 12c775db | Evgeny Voevodin | lt_i, value, icntb_max[lt_i], icntb_min[lt_i]); |
1357 | 12c775db | Evgeny Voevodin | #endif
|
1358 | 12c775db | Evgeny Voevodin | break;
|
1359 | 12c775db | Evgeny Voevodin | |
1360 | 12c775db | Evgeny Voevodin | case L0_FRCNTB: case L1_FRCNTB: |
1361 | 12c775db | Evgeny Voevodin | |
1362 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1363 | 12c775db | Evgeny Voevodin | index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i); |
1364 | 12c775db | Evgeny Voevodin | |
1365 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] FRCNTB write %llx\n", lt_i, value);
|
1366 | 12c775db | Evgeny Voevodin | |
1367 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.wstat |= L_WSTAT_FRCCNTB_WRITE; |
1368 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.cnt[L_REG_CNT_FRCCNTB] = value; |
1369 | 12c775db | Evgeny Voevodin | |
1370 | 12c775db | Evgeny Voevodin | break;
|
1371 | 12c775db | Evgeny Voevodin | |
1372 | 12c775db | Evgeny Voevodin | case L0_TCNTO: case L1_TCNTO: |
1373 | 12c775db | Evgeny Voevodin | case L0_ICNTO: case L1_ICNTO: |
1374 | 12c775db | Evgeny Voevodin | case L0_FRCNTO: case L1_FRCNTO: |
1375 | 12c775db | Evgeny Voevodin | fprintf(stderr, "\n[exynos4210.mct: write to RO register "
|
1376 | 12c775db | Evgeny Voevodin | TARGET_FMT_plx "]\n\n", offset);
|
1377 | 12c775db | Evgeny Voevodin | break;
|
1378 | 12c775db | Evgeny Voevodin | |
1379 | 12c775db | Evgeny Voevodin | case L0_INT_CSTAT: case L1_INT_CSTAT: |
1380 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1381 | 12c775db | Evgeny Voevodin | |
1382 | 12c775db | Evgeny Voevodin | DPRINTF("local timer[%d] CSTAT write %llx\n", lt_i, value);
|
1383 | 12c775db | Evgeny Voevodin | |
1384 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.int_cstat &= ~value; |
1385 | 12c775db | Evgeny Voevodin | if (!s->l_timer[lt_i].reg.int_cstat) {
|
1386 | 12c775db | Evgeny Voevodin | qemu_irq_lower(s->l_timer[lt_i].irq); |
1387 | 12c775db | Evgeny Voevodin | } |
1388 | 12c775db | Evgeny Voevodin | break;
|
1389 | 12c775db | Evgeny Voevodin | |
1390 | 12c775db | Evgeny Voevodin | case L0_INT_ENB: case L1_INT_ENB: |
1391 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1392 | 12c775db | Evgeny Voevodin | old_val = s->l_timer[lt_i].reg.int_enb; |
1393 | 12c775db | Evgeny Voevodin | |
1394 | 12c775db | Evgeny Voevodin | /* Raise Local timer IRQ if cstat is pending */
|
1395 | 12c775db | Evgeny Voevodin | if ((value & L_INT_INTENB_ICNTEIE) > (old_val & L_INT_INTENB_ICNTEIE)) {
|
1396 | 12c775db | Evgeny Voevodin | if (s->l_timer[lt_i].reg.int_cstat & L_INT_CSTAT_INTCNT) {
|
1397 | 12c775db | Evgeny Voevodin | qemu_irq_raise(s->l_timer[lt_i].irq); |
1398 | 12c775db | Evgeny Voevodin | } |
1399 | 12c775db | Evgeny Voevodin | } |
1400 | 12c775db | Evgeny Voevodin | |
1401 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.int_enb = value; |
1402 | 12c775db | Evgeny Voevodin | |
1403 | 12c775db | Evgeny Voevodin | break;
|
1404 | 12c775db | Evgeny Voevodin | |
1405 | 12c775db | Evgeny Voevodin | case L0_WSTAT: case L1_WSTAT: |
1406 | 12c775db | Evgeny Voevodin | lt_i = GET_L_TIMER_IDX(offset); |
1407 | 12c775db | Evgeny Voevodin | |
1408 | 12c775db | Evgeny Voevodin | s->l_timer[lt_i].reg.wstat &= ~value; |
1409 | 12c775db | Evgeny Voevodin | break;
|
1410 | 12c775db | Evgeny Voevodin | |
1411 | 12c775db | Evgeny Voevodin | default:
|
1412 | 12c775db | Evgeny Voevodin | hw_error("exynos4210.mct: bad write offset "
|
1413 | 12c775db | Evgeny Voevodin | TARGET_FMT_plx "\n", offset);
|
1414 | 12c775db | Evgeny Voevodin | break;
|
1415 | 12c775db | Evgeny Voevodin | } |
1416 | 12c775db | Evgeny Voevodin | } |
1417 | 12c775db | Evgeny Voevodin | |
1418 | 12c775db | Evgeny Voevodin | static const MemoryRegionOps exynos4210_mct_ops = { |
1419 | 12c775db | Evgeny Voevodin | .read = exynos4210_mct_read, |
1420 | 12c775db | Evgeny Voevodin | .write = exynos4210_mct_write, |
1421 | 12c775db | Evgeny Voevodin | .endianness = DEVICE_NATIVE_ENDIAN, |
1422 | 12c775db | Evgeny Voevodin | }; |
1423 | 12c775db | Evgeny Voevodin | |
1424 | 12c775db | Evgeny Voevodin | /* MCT init */
|
1425 | 12c775db | Evgeny Voevodin | static int exynos4210_mct_init(SysBusDevice *dev) |
1426 | 12c775db | Evgeny Voevodin | { |
1427 | 12c775db | Evgeny Voevodin | int i;
|
1428 | 12c775db | Evgeny Voevodin | Exynos4210MCTState *s = FROM_SYSBUS(Exynos4210MCTState, dev); |
1429 | 12c775db | Evgeny Voevodin | QEMUBH *bh[2];
|
1430 | 12c775db | Evgeny Voevodin | |
1431 | 12c775db | Evgeny Voevodin | /* Global timer */
|
1432 | 12c775db | Evgeny Voevodin | bh[0] = qemu_bh_new(exynos4210_gfrc_event, s);
|
1433 | 12c775db | Evgeny Voevodin | s->g_timer.ptimer_frc = ptimer_init(bh[0]);
|
1434 | 12c775db | Evgeny Voevodin | memset(&s->g_timer.reg, 0, sizeof(struct gregs)); |
1435 | 12c775db | Evgeny Voevodin | |
1436 | 12c775db | Evgeny Voevodin | /* Local timers */
|
1437 | 12c775db | Evgeny Voevodin | for (i = 0; i < 2; i++) { |
1438 | 12c775db | Evgeny Voevodin | bh[0] = qemu_bh_new(exynos4210_ltick_event, &s->l_timer[i]);
|
1439 | 12c775db | Evgeny Voevodin | bh[1] = qemu_bh_new(exynos4210_lfrc_event, &s->l_timer[i]);
|
1440 | 12c775db | Evgeny Voevodin | s->l_timer[i].tick_timer.ptimer_tick = ptimer_init(bh[0]);
|
1441 | 12c775db | Evgeny Voevodin | s->l_timer[i].ptimer_frc = ptimer_init(bh[1]);
|
1442 | 12c775db | Evgeny Voevodin | s->l_timer[i].id = i; |
1443 | 12c775db | Evgeny Voevodin | } |
1444 | 12c775db | Evgeny Voevodin | |
1445 | 12c775db | Evgeny Voevodin | /* IRQs */
|
1446 | 12c775db | Evgeny Voevodin | for (i = 0; i < MCT_GT_CMP_NUM; i++) { |
1447 | 12c775db | Evgeny Voevodin | sysbus_init_irq(dev, &s->g_timer.irq[i]); |
1448 | 12c775db | Evgeny Voevodin | } |
1449 | 12c775db | Evgeny Voevodin | for (i = 0; i < 2; i++) { |
1450 | 12c775db | Evgeny Voevodin | sysbus_init_irq(dev, &s->l_timer[i].irq); |
1451 | 12c775db | Evgeny Voevodin | } |
1452 | 12c775db | Evgeny Voevodin | |
1453 | 12c775db | Evgeny Voevodin | memory_region_init_io(&s->iomem, &exynos4210_mct_ops, s, "exynos4210-mct",
|
1454 | 12c775db | Evgeny Voevodin | MCT_SFR_SIZE); |
1455 | 12c775db | Evgeny Voevodin | sysbus_init_mmio(dev, &s->iomem); |
1456 | 12c775db | Evgeny Voevodin | |
1457 | 12c775db | Evgeny Voevodin | return 0; |
1458 | 12c775db | Evgeny Voevodin | } |
1459 | 12c775db | Evgeny Voevodin | |
1460 | 12c775db | Evgeny Voevodin | static void exynos4210_mct_class_init(ObjectClass *klass, void *data) |
1461 | 12c775db | Evgeny Voevodin | { |
1462 | 12c775db | Evgeny Voevodin | DeviceClass *dc = DEVICE_CLASS(klass); |
1463 | 12c775db | Evgeny Voevodin | SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
1464 | 12c775db | Evgeny Voevodin | |
1465 | 12c775db | Evgeny Voevodin | k->init = exynos4210_mct_init; |
1466 | 12c775db | Evgeny Voevodin | dc->reset = exynos4210_mct_reset; |
1467 | 12c775db | Evgeny Voevodin | dc->vmsd = &vmstate_exynos4210_mct_state; |
1468 | 12c775db | Evgeny Voevodin | } |
1469 | 12c775db | Evgeny Voevodin | |
1470 | 8c43a6f0 | Andreas Färber | static const TypeInfo exynos4210_mct_info = { |
1471 | 12c775db | Evgeny Voevodin | .name = "exynos4210.mct",
|
1472 | 12c775db | Evgeny Voevodin | .parent = TYPE_SYS_BUS_DEVICE, |
1473 | 12c775db | Evgeny Voevodin | .instance_size = sizeof(Exynos4210MCTState),
|
1474 | 12c775db | Evgeny Voevodin | .class_init = exynos4210_mct_class_init, |
1475 | 12c775db | Evgeny Voevodin | }; |
1476 | 12c775db | Evgeny Voevodin | |
1477 | 12c775db | Evgeny Voevodin | static void exynos4210_mct_register_types(void) |
1478 | 12c775db | Evgeny Voevodin | { |
1479 | 12c775db | Evgeny Voevodin | type_register_static(&exynos4210_mct_info); |
1480 | 12c775db | Evgeny Voevodin | } |
1481 | 12c775db | Evgeny Voevodin | |
1482 | 12c775db | Evgeny Voevodin | type_init(exynos4210_mct_register_types) |