From: Ed Swarthout Ed.Swarthout@freescale.com
Only clear IRE bit in qixis brdcfg5 register and keep other bits unchanged.
Signed-off-by: Ed Swarthout Ed.Swarthout@freescale.com Signed-off-by: York Sun yorksun@freescale.com --- board/freescale/t4qds/t4240qds_qixis.h | 2 +- board/freescale/t4qds/t4qds.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/board/freescale/t4qds/t4240qds_qixis.h b/board/freescale/t4qds/t4240qds_qixis.h index efb718d..485353d 100644 --- a/board/freescale/t4qds/t4240qds_qixis.h +++ b/board/freescale/t4qds/t4240qds_qixis.h @@ -42,7 +42,7 @@ #define QIXIS_DDRCLK_125 0x2 #define QIXIS_DDRCLK_133 0x3
-#define BRDCFG5_RESET 0x00 +#define BRDCFG5_IRE 0x20 /* i2c Remote i2c1 enable */
#define BRDCFG12_SD3EN_MASK 0x20 #define BRDCFG12_SD3MX_MASK 0x08 diff --git a/board/freescale/t4qds/t4qds.c b/board/freescale/t4qds/t4qds.c index 06243b3..2f4575b 100644 --- a/board/freescale/t4qds/t4qds.c +++ b/board/freescale/t4qds/t4qds.c @@ -505,8 +505,8 @@ int board_early_init_r(void) setup_portals(); #endif
- /* Disable remote I2C connectoin */ - QIXIS_WRITE(brdcfg[5], BRDCFG5_RESET); + /* Disable remote I2C connection to qixis fpga */ + QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
/* * Adjust core voltage according to voltage ID