am43xx: Add qspi support

Add QSPI definitions and clock configuration support.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

arch/arm/cpu/armv7/am33xx/clock_am43xx.c

@@ -98,6 +98,7 @@ void enable_basic_clocks(void)
 		&cmper->emiffwclkctrl,
 		&cmper->emifclkctrl,
 		&cmper->otfaemifclkctrl,
+		&cmper->qspiclkctrl,
 		0
 	};
 

arch/arm/include/asm/arch-am33xx/cpu.h

@@ -332,7 +332,9 @@ struct cm_perpll {
 	unsigned int mcasp1clkctrl;	/* offset 0x240 */
 	unsigned int resv11;
 	unsigned int mmc2clkctrl;	/* offset 0x248 */
-	unsigned int resv12[5];
+	unsigned int resv12[3];
+	unsigned int qspiclkctrl;       /* offset 0x258 */
+	unsigned int resv121;
 	unsigned int usb0clkctrl;	/* offset 0x260 */
 	unsigned int resv13[103];
 	unsigned int l4lsclkstctrl;	/* offset 0x400 */

arch/arm/include/asm/arch-am33xx/omap.h

@@ -29,5 +29,6 @@
 #define SRAM_SCRATCH_SPACE_ADDR	0x40337C00
 #define AM4372_BOARD_NAME_START	SRAM_SCRATCH_SPACE_ADDR
 #define AM4372_BOARD_NAME_END	SRAM_SCRATCH_SPACE_ADDR + 0xC
+#define QSPI_BASE              0x47900000
 #endif
 #endif