Instead of just putting the bridges into reset, fully remove the bridges from the L3 main bridge space when disabling them by clearing bits in NIC-301 remap register. Moreover, only touch the 3 LSbits in brgmodrst register as the rest of the bits are undefined.
Signed-off-by: Marek Vasut marex@denx.de Cc: Chin Liang See chin.liang.see@intel.com Cc: Dinh Nguyen dinguyen@kernel.org Cc: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com Cc: Tien Fong Chee tien.fong.chee@intel.com --- arch/arm/mach-socfpga/reset_manager_gen5.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-socfpga/reset_manager_gen5.c b/arch/arm/mach-socfpga/reset_manager_gen5.c index 66af924485..89a384b59c 100644 --- a/arch/arm/mach-socfpga/reset_manager_gen5.c +++ b/arch/arm/mach-socfpga/reset_manager_gen5.c @@ -103,7 +103,8 @@ void socfpga_bridges_reset(int enable)
if (enable) { /* brdmodrst */ - writel(0xffffffff, &reset_manager_base->brg_mod_reset); + writel(0x7, &reset_manager_base->brg_mod_reset); + writel(L3REGS_REMAP_OCRAM_MASK, SOCFPGA_L3REGS_ADDRESS); } else { socfpga_bridges_set_handoff_regs(false, false, false);