diff options
| author | Thor Thayer <thor.thayer@linux.intel.com> | 2019-12-06 13:47:31 -0600 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2020-01-07 14:38:34 +0100 |
| commit | 62079b2211e113f8ee395025d1213f91e1da219e (patch) | |
| tree | 4bf13f456d8851e5ca56bf4090d2c961ab2fde31 /drivers | |
| parent | cb068cae0dffd29445a2008ee11def2e4baf316f (diff) | |
arm: socfpga: stratix10: Enable SMMU access
Enable TCU access through the Stratix10 CCU so that the
SMMU can access the SDRAM.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ddr/altera/sdram_s10.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/ddr/altera/sdram_s10.c b/drivers/ddr/altera/sdram_s10.c index b709758db7..cf586ac860 100644 --- a/drivers/ddr/altera/sdram_s10.c +++ b/drivers/ddr/altera/sdram_s10.c @@ -105,6 +105,20 @@ int sdram_mmr_init_full(struct udevice *dev) clrbits_le32(CCU_REG_ADDR(CCU_IOM_MPRT_ADBASE_MEMSPACE1E), CCU_ADBASE_DI_MASK); + /* Enable access to DDR from TCU */ + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE0), + CCU_ADBASE_DI_MASK); + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE1A), + CCU_ADBASE_DI_MASK); + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE1B), + CCU_ADBASE_DI_MASK); + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE1C), + CCU_ADBASE_DI_MASK); + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE1D), + CCU_ADBASE_DI_MASK); + clrbits_le32(CCU_REG_ADDR(CCU_TCU_MPRT_ADBASE_MEMSPACE1E), + CCU_ADBASE_DI_MASK); + /* this enables nonsecure access to DDR */ /* mpuregion0addr_limit */ FW_MPU_DDR_SCR_WRITEL(0xFFFF0000, FW_MPU_DDR_SCR_MPUREGION0ADDR_LIMIT); |