armv8: ls2080aqds: disable IFC NOR & QIXIS when QSPI enable

When QSPI is enabled, NOR flash and QIXIS can't be accessed
through IFC due to pin mux. Enable I2C QIXIS access and I2C
early init to read the sysclk and ddrclk.

Signed-off-by: Yuan Yao <yao.yuan@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

board/freescale/ls2080aqds/ls2080aqds.c

@@ -219,6 +219,9 @@ int board_init(void)
 
 int board_early_init_f(void)
 {
+#ifdef CONFIG_SYS_I2C_EARLY_INIT
+	i2c_early_init_f();
+#endif
 	fsl_lsch3_early_init_f();
 #ifdef CONFIG_FSL_QSPI
 	/* input clk: 1/2 platform clk, output: input/20 */

include/configs/ls2080aqds.h

@@ -17,6 +17,16 @@ unsigned long get_board_ddr_clk(void);
 #endif
 
 #define CONFIG_SYS_FSL_CLK
+
+#ifdef CONFIG_FSL_QSPI
+#define CONFIG_SYS_NO_FLASH
+#undef CONFIG_CMD_IMLS
+#define CONFIG_QIXIS_I2C_ACCESS
+#define CONFIG_SYS_I2C_EARLY_INIT
+#define CONFIG_SYS_I2C_IFDR_DIV		0x7e
+#endif
+
+#define CONFIG_SYS_I2C_FPGA_ADDR	0x66
 #define CONFIG_SYS_CLK_FREQ		get_board_sys_clk()
 #define CONFIG_DDR_CLK_FREQ		get_board_ddr_clk()
 #define COUNTER_FREQUENCY_REAL		(CONFIG_SYS_CLK_FREQ/4)