Module Name: src
Committed By: ryo
Date: Sat Sep 19 18:19:09 UTC 2020
Modified Files:
src/sys/arch/arm/rockchip: rk_i2c.c
Log Message:
fix to work on big endian
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/arm/rockchip/rk_i2c.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/rockchip/rk_i2c.c
diff -u src/sys/arch/arm/rockchip/rk_i2c.c:1.7 src/sys/arch/arm/rockchip/rk_i2c.c:1.8
--- src/sys/arch/arm/rockchip/rk_i2c.c:1.7 Sun Dec 22 23:23:29 2019
+++ src/sys/arch/arm/rockchip/rk_i2c.c Sat Sep 19 18:19:09 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: rk_i2c.c,v 1.7 2019/12/22 23:23:29 thorpej Exp $ */
+/* $NetBSD: rk_i2c.c,v 1.8 2020/09/19 18:19:09 ryo Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rk_i2c.c,v 1.7 2019/12/22 23:23:29 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rk_i2c.c,v 1.8 2020/09/19 18:19:09 ryo Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -251,6 +251,10 @@ rk_i2c_write(struct rk_i2c_softc *sc, i2
txdata.data8[0] = addr << 1;
memcpy(&txdata.data8[1], cmd, cmdlen);
memcpy(&txdata.data8[1 + cmdlen], buf, buflen);
+#if _BYTE_ORDER == _BIG_ENDIAN
+ for (int i = 0; i < howmany(len + 1, 4); i++)
+ LE32TOH(txdata.data32[i]);
+#endif
bus_space_write_region_4(sc->sc_bst, sc->sc_bsh, RKI2C_TXDATA(0),
txdata.data32, howmany(len + 1, 4));
WR4(sc, RKI2C_MTXCNT, __SHIFTIN(len + 1, RKI2C_MTXCNT_MTXCNT));
@@ -312,6 +316,11 @@ rk_i2c_read(struct rk_i2c_softc *sc, i2c
rxdata[n/4] = RD4(sc, RKI2C_RXDATA(n/4));
#endif
+#if _BYTE_ORDER == _BIG_ENDIAN
+ for (int i = 0; i < howmany(buflen, 4); i++)
+ HTOLE32(rxdata[i]);
+#endif
+
memcpy(buf, rxdata, buflen);
return 0;
