Add support for AT91SAM9G20-EK

The AT91SAM9G20-EK board is an updated revision of the AT91SAM9260
board.  It is essentially the same, with a few minor differences.
This adds support for it.

Signed-off-by: Justin Waters <justin.waters@timesys.com>

6 files changed, 39 insertions, 10 deletions

diff --git a/Makefile b/Makefile
index 44ee0afba8..fefd144aba 100644
--- a/Makefile
+++ b/Makefile
@@ -2608,8 +2608,18 @@ at91cap9adk_config	:	unconfig
 at91sam9260ek_nandflash_config \
 at91sam9260ek_dataflash_cs0_config \
 at91sam9260ek_dataflash_cs1_config \
-at91sam9260ek_config	:	unconfig
-	@mkdir -p $(obj)include
+at91sam9260ek_config \
+at91sam9g20ek_nandflash_config \
+at91sam9g20ek_dataflash_cs0_config \
+at91sam9g20ek_dataflash_cs1_config \
+at91sam9g20ek_config	:	unconfig
+	@mkdir -p $(obj)include
+	@if [ "$(findstring 9g20,$@)" ] ; then \
+		echo "#define CONFIG_AT91SAM9G20EK 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... 9G20 Variant" ; \
+	else \
+		echo "#define CONFIG_AT91SAM9260EK 1"	>>$(obj)include/config.h ; \
+	fi;
 	@if [ "$(findstring _nandflash,$@)" ] ; then \
 		echo "#define CONFIG_SYS_USE_NANDFLASH 1"	>>$(obj)include/config.h ; \
 		$(XECHO) "... with environment variable in NAND FLASH" ; \
diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c
index ef99b8b0d5..58599fa21e 100644
--- a/board/atmel/at91sam9260ek/at91sam9260ek.c
+++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
@@ -212,8 +212,13 @@ int board_init(void)
 	/* Enable Ctrlc */
 	console_init_f();
 
+#ifdef CONFIG_AT91SAM9G20EK
+	/* arch number of AT91SAM9260EK-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G20EK;
+#else
 	/* arch number of AT91SAM9260EK-Board */
 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9260EK;
+#endif
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c
index a15ab1693c..7c44ad0e95 100644
--- a/cpu/arm926ejs/at91/usb.c
+++ b/cpu/arm926ejs/at91/usb.c
@@ -33,7 +33,7 @@ int usb_cpu_init(void)
 {
 
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	/* Enable PLLB */
 	at91_sys_write(AT91_CKGR_PLLBR, CONFIG_SYS_AT91_PLLB);
 	while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
@@ -62,7 +62,7 @@ int usb_cpu_stop(void)
 #endif
 
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	/* Disable PLLB */
 	at91_sys_write(AT91_CKGR_PLLBR, 0);
 	while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0)
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 98e8c73cab..f586be8452 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -416,14 +416,14 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
 	/* choose RMII or MII mode. This depends on the board */
 #ifdef CONFIG_RMII
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	macb_writel(macb, USRIO, MACB_BIT(RMII) | MACB_BIT(CLKEN));
 #else
 	macb_writel(macb, USRIO, 0);
 #endif
 #else
 #if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263)
+    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
 	macb_writel(macb, USRIO, MACB_BIT(CLKEN));
 #else
 	macb_writel(macb, USRIO, MACB_BIT(MII));
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index b881e4e2e0..4f0e1a7e6d 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -18,7 +18,7 @@
 
 #if defined(CONFIG_AT91RM9200)
 #include <asm/arch/at91rm9200.h>
-#elif defined(CONFIG_AT91SAM9260)
+#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20)
 #include <asm/arch/at91sam9260.h>
 #define AT91_BASE_SPI	AT91SAM9260_BASE_SPI0
 #define AT91_ID_UHP	AT91SAM9260_ID_UHP
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 15389296f2..8044d0a841 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -28,18 +28,27 @@
 #define __CONFIG_H
 
 /* ARM asynchronous clock */
-#define AT91_CPU_NAME		"AT91SAM9260"
 #define AT91_MAIN_CLOCK		18432000	/* 18.432 MHz crystal */
-#define AT91_MASTER_CLOCK	100000000	/* peripheral */
-#define AT91_CPU_CLOCK		200000000	/* cpu */
 #define CONFIG_SYS_AT91_PLLB	0x107c3e18	/* PLLB settings for USB */
 #define CONFIG_SYS_HZ		1000000		/* 1us resolution */
 
 #define AT91_SLOW_CLOCK		32768	/* slow clock */
 
 #define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
+
+#ifdef CONFIG_AT91SAM9G20EK
+#define AT91_CPU_NAME		"AT91SAM9G20"
+#define AT91_MASTER_CLOCK	132000000	/* peripheral */
+#define AT91_CPU_CLOCK		396000000	/* cpu */
+#define CONFIG_AT91SAM9G20	1	/* It's an Atmel AT91SAM9G20 SoC*/
+#else
+#define AT91_CPU_NAME		"AT91SAM9260"
+#define AT91_MASTER_CLOCK	100000000	/* peripheral */
+#define AT91_CPU_CLOCK		200000000	/* cpu */
 #define CONFIG_AT91SAM9260	1	/* It's an Atmel AT91SAM9260 SoC*/
 #define CONFIG_AT91SAM9260EK	1	/* on an AT91SAM9260EK Board	*/
+#endif
+
 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
 
 #define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
@@ -96,7 +105,12 @@
 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
 #define AT91_SPI_CLK			15000000
+
+#ifdef CONFIG_AT91SAM9G20EK
+#define DATAFLASH_TCSS			(0x22 << 16)
+#else
 #define DATAFLASH_TCSS			(0x1a << 16)
+#endif
 #define DATAFLASH_TCHS			(0x1 << 24)
 
 /* NAND flash */