From: Vyacheslav Yurkov <Vyacheslav.Yurkov@xxxxxxxxxx> Incorrect enable bits were used in initialization sequence of SDRAM firewall. This enables the FPGA to access regions of SDRAM, which were previously inaccessible. Signed-off-by: Vyacheslav Yurkov <Vyacheslav.Yurkov@xxxxxxxxxx> --- arch/arm/mach-socfpga/arria10-sdram.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-socfpga/arria10-sdram.c b/arch/arm/mach-socfpga/arria10-sdram.c index 35c355df71..b7eade0b17 100644 --- a/arch/arm/mach-socfpga/arria10-sdram.c +++ b/arch/arm/mach-socfpga/arria10-sdram.c @@ -486,7 +486,7 @@ static int arria10_sdram_firewall_setup(void) writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_MPUREGION3ADDR); writel(0xffff0000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM0REGION0ADDR); - mpu_en |= ARRIA10_NOC_FW_DDR_MPU_MPUREG1EN; + mpu_en |= ARRIA10_NOC_FW_DDR_MPU_F2SDR0REG0EN; writel(mpu_en, ARRIA10_SDR_FW_MPU_FPGA_EN); writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM0REGION1ADDR); @@ -494,7 +494,7 @@ static int arria10_sdram_firewall_setup(void) writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM0REGION3ADDR); writel(0xffff0000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM1REGION0ADDR); - mpu_en |= ARRIA10_NOC_FW_DDR_MPU_MPUREG2EN; + mpu_en |= ARRIA10_NOC_FW_DDR_MPU_F2SDR1REG0EN; writel(mpu_en, ARRIA10_SDR_FW_MPU_FPGA_EN); writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM1REGION1ADDR); @@ -502,7 +502,7 @@ static int arria10_sdram_firewall_setup(void) writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM1REGION3ADDR); writel(0xffff0000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM2REGION0ADDR); - mpu_en |= ARRIA10_NOC_FW_DDR_MPU_MPUREG3EN; + mpu_en |= ARRIA10_NOC_FW_DDR_MPU_F2SDR2REG0EN; writel(mpu_en, ARRIA10_SDR_FW_MPU_FPGA_EN); writel(0x00000000, ARRIA10_SDR_FW_MPU_FPGA_FPGA2SDRAM2REGION1ADDR); -- 2.25.1