Accessing MBUS windows not backed-up by e.g. PCIe devices will
hang the SoC. Disable MBUS error propagation back to CPU allows
to read 0xffffffff instead of hanging the SoC.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
*/
mvebu_mbus_probe(windows, ARRAY_SIZE(windows));
+ /* Disable MBUS error propagation */
+ clrsetbits_le32(SOC_COHERENCY_FABRIC_CTRL_REG, MBUS_ERR_PROP_EN, 0);
+
return 0;
}
#endif /* CONFIG_ARCH_CPU_INIT */
#define MVEBU_SATA0_BASE (MVEBU_REGISTER(0xa8000))
#define MVEBU_SDIO_BASE (MVEBU_REGISTER(0xd8000))
+#define SOC_COHERENCY_FABRIC_CTRL_REG (MVEBU_REGISTER(0x20200))
+#define MBUS_ERR_PROP_EN (1 << 8)
+
#define MBUS_BRIDGE_WIN_CTRL_REG (MVEBU_REGISTER(0x20250))
#define MBUS_BRIDGE_WIN_BASE_REG (MVEBU_REGISTER(0x20254))