LS2080ARDB/LS2088ARDB RevF board has smart voltage translator which needs to be programmed to enable high speed SD interface by setting GPIO4_10 output to zero
Signed-off-by: Priyanka Jain priyanka.jain@nxp.com Signed-off-by: Santan Kumar santan.kumar@nxp.com --- .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 3 +++ board/freescale/ls2080ardb/ls2080ardb.c | 17 +++++++++++++++++ 2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index 80c421f..9fdd6a0 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -45,6 +45,9 @@ #define I2C2_BASE_ADDR (CONFIG_SYS_IMMR + 0x01010000) #define I2C3_BASE_ADDR (CONFIG_SYS_IMMR + 0x01020000) #define I2C4_BASE_ADDR (CONFIG_SYS_IMMR + 0x01030000) +#define GPIO4_BASE_ADDR (CONFIG_SYS_IMMR + 0x01330000) +#define GPIO4_GPDIR_ADDR (GPIO4_BASE_ADDR + 0x0) +#define GPIO4_GPDAT_ADDR (GPIO4_BASE_ADDR + 0x8)
#define CONFIG_SYS_XHCI_USB1_ADDR (CONFIG_SYS_IMMR + 0x02100000) #define CONFIG_SYS_XHCI_USB2_ADDR (CONFIG_SYS_IMMR + 0x02110000) diff --git a/board/freescale/ls2080ardb/ls2080ardb.c b/board/freescale/ls2080ardb/ls2080ardb.c index 1bd555b..51012e4 100644 --- a/board/freescale/ls2080ardb/ls2080ardb.c +++ b/board/freescale/ls2080ardb/ls2080ardb.c @@ -214,6 +214,23 @@ int board_early_init_f(void)
int misc_init_r(void) { +#ifdef CONFIG_FSL_QIXIS + u8 sw; + + sw = QIXIS_READ(arch); + /* + * LS2080ARDB/LS2088ARDB RevF board has smart voltage translator + * which needs to be programmed to enable high speed SD interface + * by setting GPIO4_10 output to zero + */ + if ((sw & 0xf) == 0x5) { + out_le32(GPIO4_GPDIR_ADDR, (1 << 21 | + in_le32(GPIO4_GPDIR_ADDR))); + out_le32(GPIO4_GPDAT_ADDR, (~(1 << 21) & + in_le32(GPIO4_GPDAT_ADDR))); + } +#endif + if (hwconfig("sdhc")) config_board_mux(MUX_TYPE_SDHC);