From 9c0a6de21d58fe5976202ee82c500c1182ac2dc7 Mon Sep 17 00:00:00 2001 From: Ed Swarthout <Ed.Swarthout@freescale.com> Date: Mon, 25 Mar 2013 07:39:37 +0000 Subject: [PATCH] powerpc/t4qds: Fix disabling remote I2C connection 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> Signed-off-by: Andy Fleming <afleming@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 efb718d2c3..485353d5ad 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 a84218cdf4..be6d1c4989 100644 --- a/board/freescale/t4qds/t4qds.c +++ b/board/freescale/t4qds/t4qds.c @@ -504,8 +504,8 @@ 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 -- 2.39.5