summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2019-03-06 09:06:10 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-03-06 10:17:38 +0100
commit1b9f6ee3041e56d104b70044e9274c1b39830792 (patch)
tree12d64f7f12b06473f0ce5fd3b5ee80a46a006e6c /include
parentc809f0bc436dcae05230a082597c046a307dc3bb (diff)
downloadbarebox-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.h25
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__ */