diff options
Diffstat (limited to 'arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c b/arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c index 9f039c6048..f79f975080 100644 --- a/arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c +++ b/arch/arm/boards/rockchip-rk3568-bpi-r2pro/lowlevel.c @@ -16,10 +16,13 @@ static noinline void rk3568_start(void) void *fdt; /* - * Enable vccio4 1.8V and vccio6 1.8V - * Needed for GMAC to work. + * set iodomain vccio6 to 1.8V needed for GMAC1 to work. + * vccio4 (gmac0/switch) needs to stay at 3v3 (default) */ - writel(RK_SETBITS(0x50), 0xfdc20140); + //set bit 6 in PMU_GRF_IO_VSEL0 for vccio6 1v8 + writel(RK_SETBITS(BIT(6)), PMU_GRF_IO_VSEL0); + //clear bit 6 for 3v3 as it was set to 1v8 + writel(RK_CLRBITS(BIT(6)), PMU_GRF_IO_VSEL1); fdt = __dtb_rk3568_bpi_r2_pro_start; |