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at91: Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC. 

AT91sam9g20 is an evolution of the at91sam9260 with a faster clock speed.

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

Here is the chip page on Atmel website:
http://www.atmel.com/dyn/products/product_card.asp?part_id=4337

Signed-off-by: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Nicolas Ferre 2009-03-22 14:48:16 +01:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 118d168035
commit df486b1fa3
9 changed files with 46 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
MAKEALL
View File

@ -572,6 +572,7 @@ LIST_at91=" \
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \
at91sam9g20ek \
at91sam9rlek \
cmc_pu2 \
csb637 \

12
Makefile
View File

@ -2653,8 +2653,18 @@ at91cap9adk_config : unconfig
at91sam9260ek_nandflash_config \
at91sam9260ek_dataflash_cs0_config \
at91sam9260ek_dataflash_cs1_config \
at91sam9260ek_config : unconfig
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" ; \

5
board/atmel/at91sam9260ek/at91sam9260ek.c
View File

@ -141,8 +141,13 @@ 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;

5
cpu/arm926ejs/at91/Makefile
View File

@ -35,6 +35,11 @@ COBJS-$(CONFIG_MACB) += at91sam9260_macb.o
COBJS-y += at91sam9260_serial.o
COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9260_spi.o
endif
ifdef CONFIG_AT91SAM9G20
COBJS-$(CONFIG_MACB) += at91sam9260_macb.o
COBJS-y += at91sam9260_serial.o
COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9260_spi.o
endif
ifdef CONFIG_AT91SAM9261
COBJS-y += at91sam9261_serial.o
COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9261_spi.o

4
cpu/arm926ejs/at91/usb.c
View File

@ -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)

2
doc/README.at91
View File

@ -3,7 +3,7 @@ Atmel AT91 Evaluation kits
http://atmel.com/dyn/products/tools.asp?family_id=605#1443
------------------------------------------------------------------------------
AT91SAM9260EK & AT91SAM9XEEK
AT91SAM9260EK, AT91SAM9G20EK & AT91SAM9XEEK
------------------------------------------------------------------------------
Memory map

4
drivers/net/macb.c
View File

@ -447,14 +447,14 @@ 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));

2
include/asm-arm/arch-at91/hardware.h
View File

@ -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

23
include/configs/at91sam9260ek.h
View File

@ -3,7 +3,7 @@
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
*
* Configuation settings for the AT91SAM9260EK board.
* Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
*
* See file CREDITS for list of people who contributed to this
* project.
@ -28,18 +28,26 @@
#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 */
@ -101,7 +109,12 @@
#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 */