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author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-03-06 09:06:10 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-03-06 10:17:38 +0100 |
commit | 1b9f6ee3041e56d104b70044e9274c1b39830792 (patch) | |
tree | 12d64f7f12b06473f0ce5fd3b5ee80a46a006e6c /include | |
parent | c809f0bc436dcae05230a082597c046a307dc3bb (diff) | |
download | barebox-1b9f6ee3041e56d104b70044e9274c1b39830792.tar.gz barebox-1b9f6ee3041e56d104b70044e9274c1b39830792.tar.xz |
debug_ll: Move pl011 header file to architecture independent place
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
-rw-r--r-- | include/debug_ll/pl011.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/debug_ll/pl011.h b/include/debug_ll/pl011.h new file mode 100644 index 0000000000..db015a373b --- /dev/null +++ b/include/debug_ll/pl011.h @@ -0,0 +1,25 @@ +#ifndef __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__ +#define __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__ + +#ifndef DEBUG_LL_UART_ADDR +#error DEBUG_LL_UART_ADDR is undefined! +#endif + +#include <io.h> +#include <linux/amba/serial.h> + +static inline void PUTC_LL(char c) +{ + /* Wait until there is space in the FIFO */ + while (readl(DEBUG_LL_UART_ADDR + UART01x_FR) & UART01x_FR_TXFF) + ; + + /* Send the character */ + writel(c, DEBUG_LL_UART_ADDR + UART01x_DR); + + /* Wait to make sure it hits the line, in case we die too soon. */ + while (readl(DEBUG_LL_UART_ADDR + UART01x_FR) & UART01x_FR_TXFF) + ; +} + +#endif /* __INCLUDE_ARM_ASM_DEBUG_LL_PL011_H__ */ |