ARM:OMAP:AM33XX:pruss: Add platform specific changes for AM33XX in UIO PRUSS driver.

Added AM33XX dependency for UIO_PRUSS driver to build in Kconfig. ICSS memory map base and length were added in am33xx.h Other PRU specific resources like ICSS IRQs for AM33XX, uio_pruss driver register were added to devices.c Signed-off-by: Amit Shah <amit.shah@ti.com>

ARM:OMAP:AM33XX:pruss: Add platform specific changes for AM33XX in UIO PRUSS driver.
Added AM33XX dependency for UIO_PRUSS driver to build in Kconfig. ICSS memory map base and length were added in am33xx.h Other PRU specific resources like ICSS IRQs for AM33XX, uio_pruss driver register were added to devices.c Signed-off-by: Amit Shah <amit.shah@ti.com>
Amit Shah
1 parent e1bb6be393
Showing 3 changed files with 80 additions and 3 deletions Side-by-side Diff
arch/arm/mach-omap2/devices.c
arch/arm/plat-omap/include/plat/am33xx.h
drivers/uio/Kconfig
@@ -22,6 +22,7 @@
 #include <linux/etherdevice.h>
 #include <linux/dma-mapping.h>
 #include <linux/can/platform/d_can.h>
+#include <linux/platform_data/uio_pruss.h>
  
 #include <mach/hardware.h>
 #include <mach/irqs.h>
@@ -999,6 +1000,76 @@
 static inline void am33xx_register_edma(void) {}
 #endif
  
+#if defined (CONFIG_SOC_OMAPAM33XX)
+struct uio_pruss_pdata am335x_pruss_uio_pdata = {
+	.pintc_base	= 0x20000,
+};
+
+static struct resource am335x_pruss_resources[] = {
+	{
+		.start	= AM33XX_ICSS_BASE,
+		.end	= AM33XX_ICSS_BASE + AM33XX_ICSS_LEN,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_0,
+		.end	= AM33XX_IRQ_ICSS0_0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_1,
+		.end	= AM33XX_IRQ_ICSS0_1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_2,
+		.end	= AM33XX_IRQ_ICSS0_2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_3,
+		.end	= AM33XX_IRQ_ICSS0_3,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_4,
+		.end	= AM33XX_IRQ_ICSS0_4,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_5,
+		.end	= AM33XX_IRQ_ICSS0_5,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_6,
+		.end	= AM33XX_IRQ_ICSS0_6,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= AM33XX_IRQ_ICSS0_7,
+		.end	= AM33XX_IRQ_ICSS0_7,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device am335x_pruss_uio_dev = {
+	.name		= "pruss_uio",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(am335x_pruss_resources),
+	.resource	= am335x_pruss_resources,
+	.dev	 =	{
+		.coherent_dma_mask = 0xffffffff,
+	}
+};
+
+int __init am335x_register_pruss_uio(struct uio_pruss_pdata *config)
+{
+	am335x_pruss_uio_dev.dev.platform_data = config;
+	return platform_device_register(&am335x_pruss_uio_dev);
+}
+#endif
+
 /*-------------------------------------------------------------------------*/
  
 static int __init omap2_init_devices(void)
@@ -1019,7 +1090,9 @@
 	omap_init_vout();
 	am33xx_register_edma();
 	am33xx_init_pcm();
-
+#if defined (CONFIG_SOC_OMAPAM33XX)
+	am335x_register_pruss_uio(&am335x_pruss_uio_pdata);
+#endif
 	return 0;
 }
 arch_initcall(omap2_init_devices);
@@ -42,5 +42,9 @@
  
 #define AM33XX_SPI0_BASE	0x48030000
 #define AM33XX_SPI1_BASE	0x481A0000
+
+#define AM33XX_ICSS_BASE	0x4A300000
+#define AM33XX_ICSS_LEN		0x3FFFF
+
 #endif /* __ASM_ARCH_AM33XX_H */
@@ -96,9 +96,9 @@
  
 config UIO_PRUSS
 	tristate "Texas Instruments PRUSS driver"
-	depends on ARCH_DAVINCI_DA850
+	depends on ARCH_DAVINCI_DA850 || SOC_OMAPAM33XX
 	help
-	  PRUSS driver for OMAPL138/DA850/AM18XX devices
+	  PRUSS driver for OMAPL138/DA850/AM18XX/AM33XX devices
 	  PRUSS driver requires user space components, examples and user space
 	  driver is available from below SVN repo - you may use anonymous login
...	...	@@ -22,6 +22,7 @@
22	22	#include <linux/etherdevice.h>
23	23	#include <linux/dma-mapping.h>
24	24	#include <linux/can/platform/d_can.h>
	25	+#include <linux/platform_data/uio_pruss.h>
25	26
26	27	#include <mach/hardware.h>
27	28	#include <mach/irqs.h>
...	...	@@ -999,6 +1000,76 @@
999	1000	static inline void am33xx_register_edma(void) {}
1000	1001	#endif
1001	1002
	1003	+#if defined (CONFIG_SOC_OMAPAM33XX)
	1004	+struct uio_pruss_pdata am335x_pruss_uio_pdata = {
	1005	+ .pintc_base = 0x20000,
	1006	+};
	1007	+
	1008	+static struct resource am335x_pruss_resources[] = {
	1009	+ {
	1010	+ .start = AM33XX_ICSS_BASE,
	1011	+ .end = AM33XX_ICSS_BASE + AM33XX_ICSS_LEN,
	1012	+ .flags = IORESOURCE_MEM,
	1013	+ },
	1014	+ {
	1015	+ .start = AM33XX_IRQ_ICSS0_0,
	1016	+ .end = AM33XX_IRQ_ICSS0_0,
	1017	+ .flags = IORESOURCE_IRQ,
	1018	+ },
	1019	+ {
	1020	+ .start = AM33XX_IRQ_ICSS0_1,
	1021	+ .end = AM33XX_IRQ_ICSS0_1,
	1022	+ .flags = IORESOURCE_IRQ,
	1023	+ },
	1024	+ {
	1025	+ .start = AM33XX_IRQ_ICSS0_2,
	1026	+ .end = AM33XX_IRQ_ICSS0_2,
	1027	+ .flags = IORESOURCE_IRQ,
	1028	+ },
	1029	+ {
	1030	+ .start = AM33XX_IRQ_ICSS0_3,
	1031	+ .end = AM33XX_IRQ_ICSS0_3,
	1032	+ .flags = IORESOURCE_IRQ,
	1033	+ },
	1034	+ {
	1035	+ .start = AM33XX_IRQ_ICSS0_4,
	1036	+ .end = AM33XX_IRQ_ICSS0_4,
	1037	+ .flags = IORESOURCE_IRQ,
	1038	+ },
	1039	+ {
	1040	+ .start = AM33XX_IRQ_ICSS0_5,
	1041	+ .end = AM33XX_IRQ_ICSS0_5,
	1042	+ .flags = IORESOURCE_IRQ,
	1043	+ },
	1044	+ {
	1045	+ .start = AM33XX_IRQ_ICSS0_6,
	1046	+ .end = AM33XX_IRQ_ICSS0_6,
	1047	+ .flags = IORESOURCE_IRQ,
	1048	+ },
	1049	+ {
	1050	+ .start = AM33XX_IRQ_ICSS0_7,
	1051	+ .end = AM33XX_IRQ_ICSS0_7,
	1052	+ .flags = IORESOURCE_IRQ,
	1053	+ },
	1054	+};
	1055	+
	1056	+static struct platform_device am335x_pruss_uio_dev = {
	1057	+ .name = "pruss_uio",
	1058	+ .id = -1,
	1059	+ .num_resources = ARRAY_SIZE(am335x_pruss_resources),
	1060	+ .resource = am335x_pruss_resources,
	1061	+ .dev = {
	1062	+ .coherent_dma_mask = 0xffffffff,
	1063	+ }
	1064	+};
	1065	+
	1066	+int __init am335x_register_pruss_uio(struct uio_pruss_pdata *config)
	1067	+{
	1068	+ am335x_pruss_uio_dev.dev.platform_data = config;
	1069	+ return platform_device_register(&am335x_pruss_uio_dev);
	1070	+}
	1071	+#endif
	1072	+
1002	1073	/-------------------------------------------------------------------------/
1003	1074
1004	1075	static int __init omap2_init_devices(void)
...	...	@@ -1019,7 +1090,9 @@
1019	1090	omap_init_vout();
1020	1091	am33xx_register_edma();
1021	1092	am33xx_init_pcm();
1022		-
	1093	+#if defined (CONFIG_SOC_OMAPAM33XX)
	1094	+ am335x_register_pruss_uio(&am335x_pruss_uio_pdata);
	1095	+#endif
1023	1096	return 0;
1024	1097	}
1025	1098	arch_initcall(omap2_init_devices);
...	...	@@ -42,5 +42,9 @@
42	42
43	43	#define AM33XX_SPI0_BASE 0x48030000
44	44	#define AM33XX_SPI1_BASE 0x481A0000
	45	+
	46	+#define AM33XX_ICSS_BASE 0x4A300000
	47	+#define AM33XX_ICSS_LEN 0x3FFFF
	48	+
45	49	#endif /* __ASM_ARCH_AM33XX_H */
...	...	@@ -96,9 +96,9 @@
96	96
97	97	config UIO_PRUSS
98	98	tristate "Texas Instruments PRUSS driver"
99		- depends on ARCH_DAVINCI_DA850
	99	+ depends on ARCH_DAVINCI_DA850 \|\| SOC_OMAPAM33XX
100	100	help
101		- PRUSS driver for OMAPL138/DA850/AM18XX devices
	101	+ PRUSS driver for OMAPL138/DA850/AM18XX/AM33XX devices
102	102	PRUSS driver requires user space components, examples and user space
103	103	driver is available from below SVN repo - you may use anonymous login
104	104