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 | |
| 29 | #include <linux/delay.h> |
Balaji T K | 1ee47b0 | 2012-04-25 17:27:46 +0530 | [diff] [blame] | 30 | #include <linux/i2c/twl.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 31 | #include <plat/common.h> |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 32 | #include <asm/proc-fns.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 33 | |
| 34 | #ifdef CONFIG_SOC_OMAP2420 |
| 35 | extern void omap242x_map_common_io(void); |
| 36 | #else |
| 37 | static inline void omap242x_map_common_io(void) |
| 38 | { |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | #ifdef CONFIG_SOC_OMAP2430 |
| 43 | extern void omap243x_map_common_io(void); |
| 44 | #else |
| 45 | static inline void omap243x_map_common_io(void) |
| 46 | { |
| 47 | } |
| 48 | #endif |
| 49 | |
| 50 | #ifdef CONFIG_ARCH_OMAP3 |
| 51 | extern void omap34xx_map_common_io(void); |
| 52 | #else |
| 53 | static inline void omap34xx_map_common_io(void) |
| 54 | { |
| 55 | } |
| 56 | #endif |
| 57 | |
Kevin Hilman | 3395955 | 2012-05-10 11:10:07 -0700 | [diff] [blame^] | 58 | #ifdef CONFIG_SOC_TI81XX |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 59 | extern void omapti81xx_map_common_io(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 60 | #else |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 61 | static inline void omapti81xx_map_common_io(void) |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 62 | { |
| 63 | } |
| 64 | #endif |
| 65 | |
Afzal Mohammed | 1e6cb14 | 2011-12-13 10:46:43 -0800 | [diff] [blame] | 66 | #ifdef CONFIG_SOC_OMAPAM33XX |
| 67 | extern void omapam33xx_map_common_io(void); |
| 68 | #else |
| 69 | static inline void omapam33xx_map_common_io(void) |
| 70 | { |
| 71 | } |
| 72 | #endif |
| 73 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 74 | #ifdef CONFIG_ARCH_OMAP4 |
| 75 | extern void omap44xx_map_common_io(void); |
| 76 | #else |
| 77 | static inline void omap44xx_map_common_io(void) |
| 78 | { |
| 79 | } |
| 80 | #endif |
| 81 | |
| 82 | extern void omap2_init_common_infrastructure(void); |
| 83 | |
| 84 | extern struct sys_timer omap2_timer; |
| 85 | extern struct sys_timer omap3_timer; |
| 86 | extern struct sys_timer omap3_secure_timer; |
| 87 | extern struct sys_timer omap4_timer; |
| 88 | |
| 89 | void omap2420_init_early(void); |
| 90 | void omap2430_init_early(void); |
| 91 | void omap3430_init_early(void); |
| 92 | void omap35xx_init_early(void); |
| 93 | void omap3630_init_early(void); |
| 94 | void omap3_init_early(void); /* Do not use this one */ |
| 95 | void am35xx_init_early(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 96 | void ti81xx_init_early(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 97 | void omap4430_init_early(void); |
Russell King | baa9588 | 2011-11-05 17:06:28 +0000 | [diff] [blame] | 98 | void omap_prcm_restart(char, const char *); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 99 | |
| 100 | /* |
| 101 | * IO bases for various OMAP processors |
| 102 | * Except the tap base, rest all the io bases |
| 103 | * listed are physical addresses. |
| 104 | */ |
| 105 | struct omap_globals { |
| 106 | u32 class; /* OMAP class to detect */ |
| 107 | void __iomem *tap; /* Control module ID code */ |
| 108 | void __iomem *sdrc; /* SDRAM Controller */ |
| 109 | void __iomem *sms; /* SDRAM Memory Scheduler */ |
| 110 | void __iomem *ctrl; /* System Control Module */ |
| 111 | void __iomem *ctrl_pad; /* PAD Control Module */ |
| 112 | void __iomem *prm; /* Power and Reset Management */ |
| 113 | void __iomem *cm; /* Clock Management */ |
| 114 | void __iomem *cm2; |
| 115 | }; |
| 116 | |
| 117 | void omap2_set_globals_242x(void); |
| 118 | void omap2_set_globals_243x(void); |
| 119 | void omap2_set_globals_3xxx(void); |
| 120 | void omap2_set_globals_443x(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 121 | void omap2_set_globals_ti81xx(void); |
Afzal Mohammed | 1e6cb14 | 2011-12-13 10:46:43 -0800 | [diff] [blame] | 122 | void omap2_set_globals_am33xx(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 123 | |
| 124 | /* These get called from omap2_set_globals_xxxx(), do not call these */ |
| 125 | void omap2_set_globals_tap(struct omap_globals *); |
| 126 | void omap2_set_globals_sdrc(struct omap_globals *); |
| 127 | void omap2_set_globals_control(struct omap_globals *); |
| 128 | void omap2_set_globals_prcm(struct omap_globals *); |
| 129 | |
| 130 | void omap242x_map_io(void); |
| 131 | void omap243x_map_io(void); |
| 132 | void omap3_map_io(void); |
Afzal Mohammed | 1e6cb14 | 2011-12-13 10:46:43 -0800 | [diff] [blame] | 133 | void am33xx_map_io(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 134 | void omap4_map_io(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 135 | void ti81xx_map_io(void); |
Santosh Shilimkar | 2ec1fc4 | 2012-02-02 19:33:55 +0530 | [diff] [blame] | 136 | void omap_barriers_init(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 137 | |
Tony Lindgren | a4f3419 | 2012-02-24 10:34:33 -0800 | [diff] [blame] | 138 | extern void __init omap_init_consistent_dma_size(void); |
| 139 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 140 | /** |
| 141 | * omap_test_timeout - busy-loop, testing a condition |
| 142 | * @cond: condition to test until it evaluates to true |
| 143 | * @timeout: maximum number of microseconds in the timeout |
| 144 | * @index: loop index (integer) |
| 145 | * |
| 146 | * Loop waiting for @cond to become true or until at least @timeout |
| 147 | * microseconds have passed. To use, define some integer @index in the |
| 148 | * calling code. After running, if @index == @timeout, then the loop has |
| 149 | * timed out. |
| 150 | */ |
| 151 | #define omap_test_timeout(cond, timeout, index) \ |
| 152 | ({ \ |
| 153 | for (index = 0; index < timeout; index++) { \ |
| 154 | if (cond) \ |
| 155 | break; \ |
| 156 | udelay(1); \ |
| 157 | } \ |
| 158 | }) |
| 159 | |
| 160 | extern struct device *omap2_get_mpuss_device(void); |
| 161 | extern struct device *omap2_get_iva_device(void); |
| 162 | extern struct device *omap2_get_l3_device(void); |
| 163 | extern struct device *omap4_get_dsp_device(void); |
| 164 | |
| 165 | void omap2_init_irq(void); |
| 166 | void omap3_init_irq(void); |
Hemant Pedanekar | a920360 | 2011-12-13 10:46:44 -0800 | [diff] [blame] | 167 | void ti81xx_init_irq(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 168 | extern int omap_irq_pending(void); |
| 169 | void omap_intc_save_context(void); |
| 170 | void omap_intc_restore_context(void); |
| 171 | void omap3_intc_suspend(void); |
| 172 | void omap3_intc_prepare_idle(void); |
| 173 | void omap3_intc_resume_idle(void); |
Santosh Shilimkar | f88f4dd | 2011-12-05 09:44:58 +0100 | [diff] [blame] | 174 | void omap2_intc_handle_irq(struct pt_regs *regs); |
| 175 | void omap3_intc_handle_irq(struct pt_regs *regs); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 176 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 177 | #ifdef CONFIG_CACHE_L2X0 |
Santosh Shilimkar | 02afe8a | 2011-03-03 18:03:25 +0530 | [diff] [blame] | 178 | extern void __iomem *omap4_get_l2cache_base(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 179 | #endif |
| 180 | |
Benoit Cousson | 52fa212 | 2011-11-30 19:21:07 +0100 | [diff] [blame] | 181 | struct device_node; |
| 182 | #ifdef CONFIG_OF |
| 183 | int __init omap_intc_of_init(struct device_node *node, |
| 184 | struct device_node *parent); |
| 185 | #else |
| 186 | int __init omap_intc_of_init(struct device_node *node, |
| 187 | struct device_node *parent) |
| 188 | { |
| 189 | return 0; |
| 190 | } |
| 191 | #endif |
| 192 | |
Santosh Shilimkar | 02afe8a | 2011-03-03 18:03:25 +0530 | [diff] [blame] | 193 | #ifdef CONFIG_SMP |
| 194 | extern void __iomem *omap4_get_scu_base(void); |
| 195 | #else |
| 196 | static inline void __iomem *omap4_get_scu_base(void) |
| 197 | { |
| 198 | return NULL; |
| 199 | } |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 200 | #endif |
| 201 | |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 202 | extern void __init gic_init_irq(void); |
| 203 | extern void omap_smc1(u32 fn, u32 arg); |
Santosh Shilimkar | 501f0c7 | 2011-01-01 19:56:04 +0530 | [diff] [blame] | 204 | extern void __iomem *omap4_get_sar_ram_base(void); |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 205 | extern void omap_do_wfi(void); |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 206 | |
| 207 | #ifdef CONFIG_SMP |
| 208 | /* Needed for secondary core boot */ |
| 209 | extern void omap_secondary_startup(void); |
| 210 | extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask); |
| 211 | extern void omap_auxcoreboot_addr(u32 cpu_addr); |
| 212 | extern u32 omap_read_auxcoreboot0(void); |
| 213 | #endif |
| 214 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 215 | #if defined(CONFIG_SMP) && defined(CONFIG_PM) |
| 216 | extern int omap4_mpuss_init(void); |
| 217 | extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); |
| 218 | extern int omap4_finish_suspend(unsigned long cpu_state); |
| 219 | extern void omap4_cpu_resume(void); |
Santosh Shilimkar | b5b4f28 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 220 | extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); |
Santosh Shilimkar | 3ba2a73 | 2011-06-06 14:33:29 +0530 | [diff] [blame] | 221 | extern u32 omap4_mpuss_read_prev_context_state(void); |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 222 | #else |
| 223 | static inline int omap4_enter_lowpower(unsigned int cpu, |
| 224 | unsigned int power_state) |
| 225 | { |
| 226 | cpu_do_idle(); |
| 227 | return 0; |
| 228 | } |
| 229 | |
Santosh Shilimkar | b5b4f28 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 230 | static inline int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) |
| 231 | { |
| 232 | cpu_do_idle(); |
| 233 | return 0; |
| 234 | } |
| 235 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 236 | static inline int omap4_mpuss_init(void) |
| 237 | { |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | static inline int omap4_finish_suspend(unsigned long cpu_state) |
| 242 | { |
| 243 | return 0; |
| 244 | } |
| 245 | |
| 246 | static inline void omap4_cpu_resume(void) |
| 247 | {} |
Santosh Shilimkar | 3ba2a73 | 2011-06-06 14:33:29 +0530 | [diff] [blame] | 248 | |
| 249 | static inline u32 omap4_mpuss_read_prev_context_state(void) |
| 250 | { |
| 251 | return 0; |
| 252 | } |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 253 | #endif |
Tony Lindgren | 258ee92 | 2012-02-24 10:34:33 -0800 | [diff] [blame] | 254 | |
| 255 | struct omap_sdrc_params; |
| 256 | extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0, |
| 257 | struct omap_sdrc_params *sdrc_cs1); |
Balaji T K | 1ee47b0 | 2012-04-25 17:27:46 +0530 | [diff] [blame] | 258 | struct omap2_hsmmc_info; |
| 259 | extern int omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers); |
Tony Lindgren | 258ee92 | 2012-02-24 10:34:33 -0800 | [diff] [blame] | 260 | |
Santosh Shilimkar | b2b9762 | 2010-06-16 22:19:48 +0530 | [diff] [blame] | 261 | #endif /* __ASSEMBLER__ */ |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 262 | #endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */ |