[ARM] 5204/1: Trizeps4 SOM update

- use MFP-API for GPIO
- support TRIZEPS4WL module
- cleanups
Signed-off-by: Jrgen Schindele <linux@schindele.name>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/Kconfig

@@ -170,13 +170,41 @@ config MACH_E800
 	  Say Y here if you intend to run this kernel on a Toshiba
 	  e800 family PDA.
 
+config TRIZEPS_PXA
+	bool "PXA based Keith und Koep Trizeps DIMM-Modules"
+
 config MACH_TRIZEPS4
 	bool "Keith und Koep Trizeps4 DIMM-Module"
+	depends on TRIZEPS_PXA
+	select TRIZEPS_PCMCIA
+	select PXA27x
+
+config MACH_TRIZEPS4WL
+	bool "Keith und Koep Trizeps4-WL DIMM-Module"
+	depends on TRIZEPS_PXA
+	select TRIZEPS_PCMCIA
 	select PXA27x
+	select PXA_SSP
 
-config MACH_TRIZEPS4_CONXS
+choice
+	prompt "Select base board for Trizeps module"
+	depends on TRIZEPS_PXA
+
+config MACH_TRIZEPS_CONXS
 	bool "ConXS Eval Board"
-	depends on MACH_TRIZEPS4
+
+config MACH_TRIZEPS_UCONXS
+	bool "uConXS Eval Board"
+
+config MACH_TRIZEPS_ANY
+	bool "another Board"
+
+endchoice
+
+config TRIZEPS_PCMCIA
+	bool
+	help
+	  Enable PCMCIA support for Trizeps modules
 
 config MACH_EM_X270
 	bool "CompuLab EM-x270 platform"

arch/arm/mach-pxa/include/mach/trizeps4.h

@@ -17,11 +17,16 @@
 #define TRIZEPS4_PIC_PHYS	(PXA_CS3_PHYS)	/* Logic chip on ConXS-Board */
 #define TRIZEPS4_SDRAM_BASE	0xa0000000      /* SDRAM region */
 
-#define TRIZEPS4_CFSR_PHYS	(PXA_CS3_PHYS)			/* Logic chip on ConXS-Board CSFR register */
-#define TRIZEPS4_BOCR_PHYS	(PXA_CS3_PHYS+0x02000000)	/* Logic chip on ConXS-Board BOCR register */
-#define TRIZEPS4_IRCR_PHYS	(PXA_CS3_PHYS+0x02400000)	/* Logic chip on ConXS-Board IRCR register*/
-#define TRIZEPS4_UPSR_PHYS	(PXA_CS3_PHYS+0x02800000)	/* Logic chip on ConXS-Board UPSR register*/
-#define TRIZEPS4_DICR_PHYS	(PXA_CS3_PHYS+0x03800000)	/* Logic chip on ConXS-Board DICR register*/
+				/* Logic on ConXS-board CSFR register*/
+#define TRIZEPS4_CFSR_PHYS	(PXA_CS3_PHYS)
+				/* Logic on ConXS-board BOCR register*/
+#define TRIZEPS4_BOCR_PHYS	(PXA_CS3_PHYS+0x02000000)
+				/* Logic on ConXS-board IRCR register*/
+#define TRIZEPS4_IRCR_PHYS	(PXA_CS3_PHYS+0x02400000)
+				/* Logic on ConXS-board UPSR register*/
+#define TRIZEPS4_UPSR_PHYS	(PXA_CS3_PHYS+0x02800000)
+				/* Logic on ConXS-board DICR register*/
+#define TRIZEPS4_DICR_PHYS	(PXA_CS3_PHYS+0x03800000)
 
 /* virtual memory regions */
 #define TRIZEPS4_DISK_VIRT	0xF0000000	/* Disk On Chip region */
@@ -54,6 +59,15 @@
 #define GPIO_MMC_DET		12
 #define TRIZEPS4_MMC_IRQ	IRQ_GPIO(GPIO_MMC_DET)
 
+/* DOC NAND chip */
+#define GPIO_DOC_LOCK           94
+#define GPIO_DOC_IRQ            93
+#define TRIZEPS4_DOC_IRQ        IRQ_GPIO(GPIO_DOC_IRQ)
+
+/* SPI interface */
+#define GPIO_SPI                53
+#define TRIZEPS4_SPI_IRQ        IRQ_GPIO(GPIO_SPI)
+
 /* LEDS using tx2 / rx2 */
 #define GPIO_SYS_BUSY_LED	46
 #define GPIO_HEARTBEAT_LED	47
@@ -62,6 +76,8 @@
 #define GPIO_PIC		0
 #define TRIZEPS4_PIC_IRQ	IRQ_GPIO(GPIO_PIC)
 
+#ifdef CONFIG_MACH_TRIZEPS_CONXS
+/* for CONXS base board define these registers */
 #define CFSR_P2V(x)	((x) - TRIZEPS4_CFSR_PHYS + TRIZEPS4_CFSR_VIRT)
 #define CFSR_V2P(x)	((x) - TRIZEPS4_CFSR_VIRT + TRIZEPS4_CFSR_PHYS)
 
@@ -71,15 +87,55 @@
 #define DCR_P2V(x)	((x) - TRIZEPS4_DICR_PHYS + TRIZEPS4_DICR_VIRT)
 #define DCR_V2P(x)	((x) - TRIZEPS4_DICR_VIRT + TRIZEPS4_DICR_PHYS)
 
+#define IRCR_P2V(x)	((x) - TRIZEPS4_IRCR_PHYS + TRIZEPS4_IRCR_VIRT)
+#define IRCR_V2P(x)	((x) - TRIZEPS4_IRCR_VIRT + TRIZEPS4_IRCR_PHYS)
+
 #ifndef __ASSEMBLY__
-#define ConXS_CFSR		(*((volatile unsigned short *)CFSR_P2V(0x0C000000)))
-#define ConXS_BCR		(*((volatile unsigned short *)BCR_P2V(0x0E000000)))
-#define ConXS_DCR		(*((volatile unsigned short *)DCR_P2V(0x0F800000)))
+static inline unsigned short CFSR_readw(void)
+{
+	/* [Compact Flash Status Register] is read only */
+	return *((unsigned short *)CFSR_P2V(0x0C000000));
+}
+static inline void BCR_writew(unsigned short value)
+{
+	/* [Board Control Regsiter] is write only */
+	*((unsigned short *)BCR_P2V(0x0E000000)) = value;
+}
+static inline void DCR_writew(unsigned short value)
+{
+	/* [Display Control Register] is write only */
+	*((unsigned short *)DCR_P2V(0x0E000000)) = value;
+}
+static inline void IRCR_writew(unsigned short value)
+{
+	/* [InfraRed data Control Register] is write only */
+	*((unsigned short *)IRCR_P2V(0x0E000000)) = value;
+}
 #else
 #define ConXS_CFSR		CFSR_P2V(0x0C000000)
 #define ConXS_BCR		BCR_P2V(0x0E000000)
 #define ConXS_DCR		DCR_P2V(0x0F800000)
+#define ConXS_IRCR		IRCR_P2V(0x0F800000)
 #endif
+#else
+/* for whatever baseboard define function registers */
+static inline unsigned short CFSR_readw(void)
+{
+	return 0;
+}
+static inline void BCR_writew(unsigned short value)
+{
+	;
+}
+static inline void DCR_writew(unsigned short value)
+{
+	;
+}
+static inline void IRCR_writew(unsigned short value)
+{
+	;
+}
+#endif	/* CONFIG_MACH_TRIZEPS_CONXS */
 
 #define ConXS_CFSR_BVD_MASK	0x0003
 #define ConXS_CFSR_BVD1		(1 << 0)