armv8: ls1043ardb: invert irq pin polarity for AQR105 PHY

To use AQR105 PHY's interrupt, we need to invert the IRQ pin polarity
by setting relative bit in SCFG_INTPCR register, because AQR105
interrupt is low active but GIC accepts high active.

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

board/freescale/ls1043ardb/ls1043ardb.c

@@ -82,6 +82,8 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
+	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+
 #ifdef CONFIG_FSL_IFC
 	init_final_memctl_regs();
 #endif
@@ -93,6 +95,8 @@ int board_init(void)
 #ifdef CONFIG_U_QE
 	u_qe_init();
 #endif
+	/* invert AQR105 IRQ pins polarity */
+	out_be32(&scfg->intpcr, AQR105_IRQ_MASK);
 
 	return 0;
 }

include/configs/ls1043ardb.h

@@ -253,6 +253,7 @@
 #define CONFIG_PHY_VITESSE
 #define CONFIG_PHY_REALTEK
 #define CONFIG_PHY_AQUANTIA
+#define AQR105_IRQ_MASK			0x40000000
 
 #define RGMII_PHY1_ADDR			0x1
 #define RGMII_PHY2_ADDR			0x2