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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2010-09-18 04:26:14 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-09-20 08:58:53 +0200 |
| commit | d8f3ee103a9f4bd6f82a5830cfe38174864cfb86 (patch) | |
| tree | 3464efc84ae2195211dcec8ffcc0264266fb27a0 /arch/arm/boards/at91sam9260ek | |
| parent | d8f747bb995b79b35b0b1c6e8cf95358440018d4 (diff) | |
| download | barebox-d8f3ee103a9f4bd6f82a5830cfe38174864cfb86.tar.gz barebox-d8f3ee103a9f4bd6f82a5830cfe38174864cfb86.tar.xz | |
Support for the at91sam9g20 : Atmel 400Mhz ARM 926ej-s SOC.
AT91sam9g20 is an evolution of the at91sam9260 with a faster clock
speed.
We created a new board for this device but based the chip support
directly on 9260 files with little updates.
Here is the chip page on Atmel wabsite:
http://atmel.com/dyn/products/product_card.asp?part_id=4337
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/at91sam9260ek')
| -rw-r--r-- | arch/arm/boards/at91sam9260ek/init.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/arm/boards/at91sam9260ek/init.c b/arch/arm/boards/at91sam9260ek/init.c index 7bb3c453d5..966dd2fd30 100644 --- a/arch/arm/boards/at91sam9260ek/init.c +++ b/arch/arm/boards/at91sam9260ek/init.c @@ -40,6 +40,25 @@ #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> +/* + * board revision encoding + * bit 0: + * 0 => 1 mmc + * 1 => 2 mmcs (board from revision C) + */ +#define HAVE_2MMC (1 << 0) +static void ek_set_board_type(void) +{ + if (machine_is_at91sam9g20ek()) { + armlinux_set_architecture(MACH_TYPE_AT91SAM9G20EK); +#ifdef CONFIG_AT91_HAVE_2MMC + armlinux_set_revision(HAVE_2MMC); +#endif + } else { + armlinux_set_architecture(MACH_TYPE_AT91SAM9260EK); + } +} + static struct atmel_nand_data nand_pdata = { .ale = 21, .cle = 22, @@ -130,7 +149,7 @@ static int at91sam9260ek_devices_init(void) at91_add_device_sdram(64 * 1024 * 1024); armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100)); - armlinux_set_architecture(MACH_TYPE_AT91SAM9260EK); + ek_set_board_type(); devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw"); dev_add_bb_dev("self_raw", "self0"); |