Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Header for code common to all OMAP2+ machines. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License as published by the |
| 6 | * Free Software Foundation; either version 2 of the License, or (at your |
| 7 | * option) any later version. |
| 8 | * |
| 9 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 10 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 12 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 13 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 14 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 15 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 16 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 17 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 18 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 22 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | */ |
| 24 | |
| 25 | #ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H |
| 26 | #define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 27 | #ifndef __ASSEMBLER__ |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 28 | |
Tony Lindgren | ec2c082 | 2012-08-27 17:43:01 -0700 | [diff] [blame] | 29 | #include <linux/irq.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 30 | #include <linux/delay.h> |
Tony Lindgren | 3a8761c | 2012-10-08 09:11:22 -0700 | [diff] [blame] | 31 | #include <linux/i2c.h> |
Balaji T K | 1ee47b0 | 2012-04-25 17:27:46 +0530 | [diff] [blame] | 32 | #include <linux/i2c/twl.h> |
Tony Lindgren | 3a8761c | 2012-10-08 09:11:22 -0700 | [diff] [blame] | 33 | #include <linux/i2c-omap.h> |
Tony Lindgren | dbc0416 | 2012-08-31 10:59:07 -0700 | [diff] [blame] | 34 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 35 | #include <asm/proc-fns.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 36 | |
Tony Lindgren | 3a8761c | 2012-10-08 09:11:22 -0700 | [diff] [blame] | 37 | #include "i2c.h" |
Tony Lindgren | 3d82cbb | 2012-10-15 12:50:46 -0700 | [diff] [blame] | 38 | #include "serial.h" |
Tony Lindgren | 3a8761c | 2012-10-08 09:11:22 -0700 | [diff] [blame] | 39 | |
Tony Lindgren | 54db6ee | 2012-10-24 14:26:18 -0700 | [diff] [blame] | 40 | #include "usb.h" |
Tony Lindgren | dbc0416 | 2012-08-31 10:59:07 -0700 | [diff] [blame] | 41 | |
Tony Lindgren | ec2c082 | 2012-08-27 17:43:01 -0700 | [diff] [blame] | 42 | #define OMAP_INTC_START NR_IRQS |
Tony Lindgren | 7d7e1eb | 2012-08-27 17:43:01 -0700 | [diff] [blame] | 43 | |
Shawn Guo | bbd707a | 2012-04-26 16:06:50 +0800 | [diff] [blame] | 44 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP2) |
| 45 | int omap2_pm_init(void); |
| 46 | #else |
| 47 | static inline int omap2_pm_init(void) |
| 48 | { |
| 49 | return 0; |
| 50 | } |
| 51 | #endif |
| 52 | |
| 53 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) |
| 54 | int omap3_pm_init(void); |
| 55 | #else |
| 56 | static inline int omap3_pm_init(void) |
| 57 | { |
| 58 | return 0; |
| 59 | } |
| 60 | #endif |
| 61 | |
| 62 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP4) |
| 63 | int omap4_pm_init(void); |
| 64 | #else |
| 65 | static inline int omap4_pm_init(void) |
| 66 | { |
| 67 | return 0; |
| 68 | } |
| 69 | #endif |
| 70 | |
| 71 | #ifdef CONFIG_OMAP_MUX |
| 72 | int omap_mux_late_init(void); |
| 73 | #else |
| 74 | static inline int omap_mux_late_init(void) |
| 75 | { |
| 76 | return 0; |
| 77 | } |
| 78 | #endif |
| 79 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 80 | extern void omap2_init_common_infrastructure(void); |
| 81 | |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 82 | extern void omap2_sync32k_timer_init(void); |
| 83 | extern void omap3_sync32k_timer_init(void); |
| 84 | extern void omap3_secure_sync32k_timer_init(void); |
| 85 | extern void omap3_gp_gptimer_timer_init(void); |
| 86 | extern void omap3_am33xx_gptimer_timer_init(void); |
| 87 | extern void omap4_local_timer_init(void); |
| 88 | extern void omap5_realtime_timer_init(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 89 | |
| 90 | void omap2420_init_early(void); |
| 91 | void omap2430_init_early(void); |
| 92 | void omap3430_init_early(void); |
| 93 | void omap35xx_init_early(void); |
| 94 | void omap3630_init_early(void); |
| 95 | void omap3_init_early(void); /* Do not use this one */ |
Vaibhav Hiremath | ce3fc89 | 2012-06-18 00:47:26 -0600 | [diff] [blame] | 96 | void am33xx_init_early(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 97 | void am35xx_init_early(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 98 | void ti81xx_init_early(void); |
Afzal Mohammed | 08f3098 | 2012-05-11 00:38:49 +0530 | [diff] [blame] | 99 | void am33xx_init_early(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 100 | void omap4430_init_early(void); |
R Sricharan | 05e152c | 2012-06-05 16:21:32 +0530 | [diff] [blame] | 101 | void omap5_init_early(void); |
Shawn Guo | bbd707a | 2012-04-26 16:06:50 +0800 | [diff] [blame] | 102 | void omap3_init_late(void); /* Do not use this one */ |
| 103 | void omap4430_init_late(void); |
| 104 | void omap2420_init_late(void); |
| 105 | void omap2430_init_late(void); |
| 106 | void omap3430_init_late(void); |
| 107 | void omap35xx_init_late(void); |
| 108 | void omap3630_init_late(void); |
| 109 | void am35xx_init_late(void); |
| 110 | void ti81xx_init_late(void); |
Shawn Guo | bbd707a | 2012-04-26 16:06:50 +0800 | [diff] [blame] | 111 | int omap2_common_pm_late_init(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 112 | |
Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 113 | #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430) |
| 114 | void omap2xxx_restart(char mode, const char *cmd); |
Vaibhav Hiremath | ecc46cf | 2012-07-05 08:05:15 -0700 | [diff] [blame] | 115 | #else |
Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 116 | static inline void omap2xxx_restart(char mode, const char *cmd) |
| 117 | { |
| 118 | } |
Vaibhav Hiremath | ecc46cf | 2012-07-05 08:05:15 -0700 | [diff] [blame] | 119 | #endif |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 120 | |
Jean-Sebastien A. Beaudry | 14e067c | 2013-01-23 16:02:40 -0500 | [diff] [blame] | 121 | #ifdef CONFIG_SOC_AM33XX |
| 122 | void am33xx_restart(char mode, const char *cmd); |
| 123 | #else |
| 124 | static inline void am33xx_restart(char mode, const char *cmd) |
| 125 | { |
| 126 | } |
| 127 | #endif |
| 128 | |
Paul Walmsley | 2f334a3 | 2012-10-29 20:56:07 -0600 | [diff] [blame] | 129 | #ifdef CONFIG_ARCH_OMAP3 |
| 130 | void omap3xxx_restart(char mode, const char *cmd); |
| 131 | #else |
| 132 | static inline void omap3xxx_restart(char mode, const char *cmd) |
| 133 | { |
| 134 | } |
| 135 | #endif |
| 136 | |
| 137 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) |
| 138 | void omap44xx_restart(char mode, const char *cmd); |
| 139 | #else |
| 140 | static inline void omap44xx_restart(char mode, const char *cmd) |
| 141 | { |
| 142 | } |
| 143 | #endif |
| 144 | |
Paul Walmsley | b6a4226 | 2012-10-29 20:50:21 -0600 | [diff] [blame] | 145 | /* This gets called from mach-omap2/io.c, do not call this */ |
| 146 | void __init omap2_set_globals_tap(u32 class, void __iomem *tap); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 147 | |
Paul Walmsley | b6a4226 | 2012-10-29 20:50:21 -0600 | [diff] [blame] | 148 | void __init omap242x_map_io(void); |
| 149 | void __init omap243x_map_io(void); |
| 150 | void __init omap3_map_io(void); |
| 151 | void __init am33xx_map_io(void); |
| 152 | void __init omap4_map_io(void); |
| 153 | void __init omap5_map_io(void); |
| 154 | void __init ti81xx_map_io(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 155 | |
Paul Walmsley | b6a4226 | 2012-10-29 20:50:21 -0600 | [diff] [blame] | 156 | /* omap_barriers_init() is OMAP4 only */ |
Santosh Shilimkar | 2ec1fc4 | 2012-02-02 19:33:55 +0530 | [diff] [blame] | 157 | void omap_barriers_init(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 158 | |
| 159 | /** |
| 160 | * omap_test_timeout - busy-loop, testing a condition |
| 161 | * @cond: condition to test until it evaluates to true |
| 162 | * @timeout: maximum number of microseconds in the timeout |
| 163 | * @index: loop index (integer) |
| 164 | * |
| 165 | * Loop waiting for @cond to become true or until at least @timeout |
| 166 | * microseconds have passed. To use, define some integer @index in the |
| 167 | * calling code. After running, if @index == @timeout, then the loop has |
| 168 | * timed out. |
| 169 | */ |
| 170 | #define omap_test_timeout(cond, timeout, index) \ |
| 171 | ({ \ |
| 172 | for (index = 0; index < timeout; index++) { \ |
| 173 | if (cond) \ |
| 174 | break; \ |
| 175 | udelay(1); \ |
| 176 | } \ |
| 177 | }) |
| 178 | |
| 179 | extern struct device *omap2_get_mpuss_device(void); |
| 180 | extern struct device *omap2_get_iva_device(void); |
| 181 | extern struct device *omap2_get_l3_device(void); |
| 182 | extern struct device *omap4_get_dsp_device(void); |
| 183 | |
| 184 | void omap2_init_irq(void); |
| 185 | void omap3_init_irq(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 186 | void ti81xx_init_irq(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 187 | extern int omap_irq_pending(void); |
| 188 | void omap_intc_save_context(void); |
| 189 | void omap_intc_restore_context(void); |
| 190 | void omap3_intc_suspend(void); |
| 191 | void omap3_intc_prepare_idle(void); |
| 192 | void omap3_intc_resume_idle(void); |
Santosh Shilimkar | f88f4dd | 2011-12-05 09:44:58 +0100 | [diff] [blame] | 193 | void omap2_intc_handle_irq(struct pt_regs *regs); |
| 194 | void omap3_intc_handle_irq(struct pt_regs *regs); |
R Sricharan | c4082d4 | 2012-06-05 16:31:06 +0530 | [diff] [blame] | 195 | void omap_intc_of_init(void); |
| 196 | void omap_gic_of_init(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 197 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 198 | #ifdef CONFIG_CACHE_L2X0 |
Santosh Shilimkar | 02afe8a | 2011-03-03 18:03:25 +0530 | [diff] [blame] | 199 | extern void __iomem *omap4_get_l2cache_base(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 200 | #endif |
| 201 | |
Benoit Cousson | 52fa212 | 2011-11-30 19:21:07 +0100 | [diff] [blame] | 202 | struct device_node; |
| 203 | #ifdef CONFIG_OF |
R Sricharan | c4082d4 | 2012-06-05 16:31:06 +0530 | [diff] [blame] | 204 | int __init intc_of_init(struct device_node *node, |
Benoit Cousson | 52fa212 | 2011-11-30 19:21:07 +0100 | [diff] [blame] | 205 | struct device_node *parent); |
| 206 | #else |
R Sricharan | c4082d4 | 2012-06-05 16:31:06 +0530 | [diff] [blame] | 207 | int __init intc_of_init(struct device_node *node, |
Benoit Cousson | 52fa212 | 2011-11-30 19:21:07 +0100 | [diff] [blame] | 208 | struct device_node *parent) |
| 209 | { |
| 210 | return 0; |
| 211 | } |
| 212 | #endif |
| 213 | |
Santosh Shilimkar | 02afe8a | 2011-03-03 18:03:25 +0530 | [diff] [blame] | 214 | #ifdef CONFIG_SMP |
| 215 | extern void __iomem *omap4_get_scu_base(void); |
| 216 | #else |
| 217 | static inline void __iomem *omap4_get_scu_base(void) |
| 218 | { |
| 219 | return NULL; |
| 220 | } |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 221 | #endif |
| 222 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 223 | extern void __init gic_init_irq(void); |
Santosh Shilimkar | ff999b8 | 2012-10-18 12:20:05 +0300 | [diff] [blame] | 224 | extern void gic_dist_disable(void); |
Colin Cross | cd8ce15 | 2012-10-18 12:20:08 +0300 | [diff] [blame] | 225 | extern bool gic_dist_disabled(void); |
| 226 | extern void gic_timer_retrigger(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 227 | extern void omap_smc1(u32 fn, u32 arg); |
Santosh Shilimkar | 501f0c7 | 2011-01-01 19:56:04 +0530 | [diff] [blame] | 228 | extern void __iomem *omap4_get_sar_ram_base(void); |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 229 | extern void omap_do_wfi(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 230 | |
| 231 | #ifdef CONFIG_SMP |
| 232 | /* Needed for secondary core boot */ |
| 233 | extern void omap_secondary_startup(void); |
Santosh Shilimkar | ff999b8 | 2012-10-18 12:20:05 +0300 | [diff] [blame] | 234 | extern void omap_secondary_startup_4460(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 235 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); |
| 236 | extern void omap_auxcoreboot_addr(u32 cpu_addr); |
| 237 | extern u32 omap_read_auxcoreboot0(void); |
Marc Zyngier | 0691532 | 2011-09-08 13:15:22 +0100 | [diff] [blame] | 238 | |
| 239 | extern void omap4_cpu_die(unsigned int cpu); |
| 240 | |
| 241 | extern struct smp_operations omap4_smp_ops; |
| 242 | |
Santosh Shilimkar | 283f708 | 2012-03-19 19:29:41 +0530 | [diff] [blame] | 243 | extern void omap5_secondary_startup(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 244 | #endif |
| 245 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 246 | #if defined(CONFIG_SMP) && defined(CONFIG_PM) |
| 247 | extern int omap4_mpuss_init(void); |
| 248 | extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); |
| 249 | extern int omap4_finish_suspend(unsigned long cpu_state); |
| 250 | extern void omap4_cpu_resume(void); |
Santosh Shilimkar | b5b4f28 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 251 | extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); |
Santosh Shilimkar | 3ba2a73 | 2011-06-06 14:33:29 +0530 | [diff] [blame] | 252 | extern u32 omap4_mpuss_read_prev_context_state(void); |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 253 | #else |
| 254 | static inline int omap4_enter_lowpower(unsigned int cpu, |
| 255 | unsigned int power_state) |
| 256 | { |
| 257 | cpu_do_idle(); |
| 258 | return 0; |
| 259 | } |
| 260 | |
Santosh Shilimkar | b5b4f28 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 261 | static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) |
| 262 | { |
| 263 | cpu_do_idle(); |
| 264 | return 0; |
| 265 | } |
| 266 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 267 | static inline int omap4_mpuss_init(void) |
| 268 | { |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | static inline int omap4_finish_suspend(unsigned long cpu_state) |
| 273 | { |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | static inline void omap4_cpu_resume(void) |
| 278 | {} |
Santosh Shilimkar | 3ba2a73 | 2011-06-06 14:33:29 +0530 | [diff] [blame] | 279 | |
| 280 | static inline u32 omap4_mpuss_read_prev_context_state(void) |
| 281 | { |
| 282 | return 0; |
| 283 | } |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 284 | #endif |
Tony Lindgren | 258ee92 | 2012-02-24 10:34:33 -0800 | [diff] [blame] | 285 | |
| 286 | struct omap_sdrc_params; |
| 287 | extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, |
| 288 | struct omap_sdrc_params *sdrc_cs1); |
Balaji T K | 1ee47b0 | 2012-04-25 17:27:46 +0530 | [diff] [blame] | 289 | struct omap2_hsmmc_info; |
| 290 | extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers); |
Lokesh Vutla | f583f0f | 2012-10-02 00:17:05 +0530 | [diff] [blame] | 291 | extern void omap_reserve(void); |
Tony Lindgren | 258ee92 | 2012-02-24 10:34:33 -0800 | [diff] [blame] | 292 | |
Tony Lindgren | 5c2e885 | 2012-10-29 16:45:47 -0700 | [diff] [blame] | 293 | struct omap_hwmod; |
| 294 | extern int omap_dss_reset(struct omap_hwmod *); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 295 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 296 | #endif /* __ASSEMBLER__ */ |
| 297 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |