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cadence: uart: comply to console_register prototype

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Signed-off-by: Alexei Colin <acolin@isi.edu>
This commit is contained in:
Alexei Colin 2018-11-09 17:36:55 -05:00
parent 9d068f66b1
commit 23b6fa4ee1
2 changed files with 7 additions and 5 deletions
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10
drivers/cadence/uart/aarch64/cdns_console.S
View file

@ -56,21 +56,23 @@ endfunc console_cdns_core_init
.globl console_cdns_register .globl console_cdns_register
/* ----------------------------------------------- /* -----------------------------------------------
* int console_cdns_register(uint64_t baseaddr, * int console_cdns_register(uintptr_t baseaddr,
* uint32_t clock, uint32_t baud, * uint32_t clock, uint32_t baud,
* console_cdns_t *console); * console_cdns_t *console);
* Function to initialize and register a new CDNS * Function to initialize and register a new CDNS
* console. Storage passed in for the console struct * console. Storage passed in for the console struct
* *must* be persistent (i.e. not from the stack). * *must* be persistent (i.e. not from the stack).
* In: x0 - UART register base address * In: x0 - UART register base address
* x1 - pointer to empty console_cdns_t struct * w1 - UART clock in Hz
* w2 - Baud rate
* x3 - pointer to empty console_16550_t struct
* Out: return 1 on success, 0 on error * Out: return 1 on success, 0 on error
* Clobber list : x0, x1, x2, x6, x7, x14 * Clobber list : x0, x1, x2, x6, x7, x14
* ----------------------------------------------- * -----------------------------------------------
*/ */
func console_cdns_register func console_cdns_register
mov x7, x30 mov x7, x30
mov x6, x1 mov x6, x3
cbz x6, register_fail cbz x6, register_fail
str x0, [x6, #CONSOLE_T_CDNS_BASE] str x0, [x6, #CONSOLE_T_CDNS_BASE]
@ -78,7 +80,7 @@ func console_cdns_register
cbz x0, register_fail cbz x0, register_fail
mov x0, x6 mov x0, x6
mov x30, v7 mov x30, x7
finish_console_register cdns putc=1, getc=1, flush=1 finish_console_register cdns putc=1, getc=1, flush=1
register_fail: register_fail:

2
include/drivers/cadence/cdns_uart.h
View file

@ -42,7 +42,7 @@ typedef struct {
* for the lifetime of the console, such as a global or static local variable. * for the lifetime of the console, such as a global or static local variable.
* Its contents will be reinitialized from scratch. * Its contents will be reinitialized from scratch.
*/ */
int console_cdns_register(uint64_t baseaddr, uint32_t clock, uint32_t baud, int console_cdns_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
console_cdns_t *console); console_cdns_t *console);
#endif /*__ASSEMBLY__*/ #endif /*__ASSEMBLY__*/