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33 /*****************************************************************************/
37 * This header file contains ARM Cortex A53,A9,R5,Microblaze specific sleep
41 * MODIFICATION HISTORY :
43 * Ver Who Date Changes
44 * ----- ---- -------- -------------------------------------------------------
45 * 6.6 srm 11/02/17 Added processor specific sleep rountines
46 * function prototypes.
50 ******************************************************************************/
55 #include "xil_types.h"
62 /*****************************************************************************/
65 * This macro polls an address periodically until a condition is met or till the
67 * The minimum timeout for calling this macro is 100us. If the timeout is less
68 * than 100us, it still waits for 100us. Also the unit for the timeout is 100us.
69 * If the timeout is not a multiple of 100us, it waits for a timeout of
70 * the next usec value which is a multiple of 100us.
72 * @param IO_func - accessor function to read the register contents.
73 * Depends on the register width.
74 * @param ADDR - Address to be polled
75 * @param VALUE - variable to read the value
76 * @param COND - Condition to checked (usually involves VALUE)
77 * @param TIMEOUT_US - timeout in micro seconds
79 * @return 0 - when the condition is met
80 * -1 - when the condition is not met till the timeout period
84 *****************************************************************************/
85 #define Xil_poll_timeout(IO_func, ADDR, VALUE, COND, TIMEOUT_US) \
87 u64 timeout = TIMEOUT_US/100; \
88 if(TIMEOUT_US%100!=0) \
91 VALUE = IO_func(ADDR); \
101 (timeout>0) ? 0 : -1; \
104 void usleep(unsigned long useconds);
105 void sleep(unsigned int seconds);
106 int usleep_R5(unsigned long useconds);
107 unsigned sleep_R5(unsigned int seconds);
108 int usleep_MB(unsigned long useconds);
109 unsigned sleep_MB(unsigned int seconds);
110 int usleep_A53(unsigned long useconds);
111 unsigned sleep_A53(unsigned int seconds);
112 int usleep_A9(unsigned long useconds);
113 unsigned sleep_A9(unsigned int seconds);