From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 2/4] at91sam9x5ek: add spi support
Date: Sat, 3 Nov 2012 12:36:31 +0100 [thread overview]
Message-ID: <1351942593-26400-2-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1351942593-26400-1-git-send-email-plagnioj@jcrosoft.com>
on all the cpu module we have a at25 except on the cogent where we have a at45
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
arch/arm/boards/at91sam9x5ek/init.c | 37 +++++++++++++++++++++++++++++++
arch/arm/configs/at91sam9x5ek_defconfig | 5 ++++-
2 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boards/at91sam9x5ek/init.c b/arch/arm/boards/at91sam9x5ek/init.c
index dbb9bb5..d97da2b 100644
--- a/arch/arm/boards/at91sam9x5ek/init.c
+++ b/arch/arm/boards/at91sam9x5ek/init.c
@@ -41,6 +41,7 @@
#include <readkey.h>
#include <linux/w1-gpio.h>
#include <w1_mac_address.h>
+#include <spi/spi.h>
#include "hw_version.h"
@@ -132,6 +133,41 @@ static void ek_add_device_i2c(void)
at91_add_device_i2c(0, i2c_devices, ARRAY_SIZE(i2c_devices));
}
+static const struct spi_board_info ek_cm_cogent_spi_devices[] = {
+ {
+ .name = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ }
+};
+
+static const struct spi_board_info ek_spi_devices[] = {
+ {
+ .name = "m25p80",
+ .chip_select = 0,
+ .max_speed_hz = 30 * 1000 * 1000,
+ .bus_num = 0,
+ }
+};
+
+static unsigned spi0_standard_cs[] = { AT91_PIN_PA14};
+static struct at91_spi_platform_data spi_pdata = {
+ .chipselect = spi0_standard_cs,
+ .num_chipselect = ARRAY_SIZE(spi0_standard_cs),
+};
+
+static void ek_add_device_spi(void)
+{
+ if (at91sam9x5ek_cm_is_vendor(VENDOR_COGENT))
+ spi_register_board_info(ek_cm_cogent_spi_devices,
+ ARRAY_SIZE(ek_cm_cogent_spi_devices));
+ else
+ spi_register_board_info(ek_spi_devices,
+ ARRAY_SIZE(ek_spi_devices));
+ at91_add_device_spi(0, &spi_pdata);
+}
+
/*
* USB Host port
*/
@@ -188,6 +224,7 @@ static int at91sam9x5ek_devices_init(void)
ek_add_device_w1();
ek_add_device_nand();
ek_add_device_eth();
+ ek_add_device_spi();
at91_add_device_usbh_ohci(&ek_usbh_data);
ek_add_led();
ek_add_device_i2c();
diff --git a/arch/arm/configs/at91sam9x5ek_defconfig b/arch/arm/configs/at91sam9x5ek_defconfig
index 3e66c44..5b17002 100644
--- a/arch/arm/configs/at91sam9x5ek_defconfig
+++ b/arch/arm/configs/at91sam9x5ek_defconfig
@@ -52,10 +52,13 @@ CONFIG_CMD_TFTP=y
CONFIG_FS_TFTP=y
CONFIG_NET_NETCONSOLE=y
CONFIG_DRIVER_NET_MACB=y
-# CONFIG_SPI is not set
+CONFIG_DRIVER_SPI_ATMEL=y
+CONFIG_MTD_M25P80=y
CONFIG_I2C=y
CONFIG_I2C_GPIO=y
CONFIG_MTD=y
+# CONFIG_MTD_OOB_DEVICE is not set
+CONFIG_MTD_DATAFLASH=y
CONFIG_NAND=y
# CONFIG_NAND_ECC_HW is not set
# CONFIG_NAND_ECC_HW_SYNDROME is not set
--
1.7.10.4
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2012-11-03 11:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-03 11:34 [PATCH 0/4 v3] at91sam9x5ek: add spi and mci support Jean-Christophe PLAGNIOL-VILLARD
2012-11-03 11:36 ` [PATCH 1/4] at91sam9x5: add spi support Jean-Christophe PLAGNIOL-VILLARD
2012-11-03 11:36 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2012-11-03 11:36 ` [PATCH 3/4] at91sam9x5: add mci support Jean-Christophe PLAGNIOL-VILLARD
2012-11-03 11:36 ` [PATCH 4/4] at91sam9x5ek: " Jean-Christophe PLAGNIOL-VILLARD
2012-11-15 10:11 ` [PATCH 0/4 v3] at91sam9x5ek: add spi and " Jean-Christophe PLAGNIOL-VILLARD
-- strict thread matches above, loose matches on Subject: below --
2012-11-01 19:50 [PATCH 0/4 v2] " Jean-Christophe PLAGNIOL-VILLARD
2012-11-01 21:16 ` [PATCH 1/4] at91sam9x5: add spi support Jean-Christophe PLAGNIOL-VILLARD
2012-11-01 21:16 ` [PATCH 2/4] at91sam9x5ek: " Jean-Christophe PLAGNIOL-VILLARD
2012-11-01 19:30 [PATCH 0/4] at91sam9x5ek: add spi and mci support Jean-Christophe PLAGNIOL-VILLARD
2012-11-01 19:36 ` [PATCH 1/4] at91sam9x5: add spi support Jean-Christophe PLAGNIOL-VILLARD
2012-11-01 19:36 ` [PATCH 2/4] at91sam9x5ek: " Jean-Christophe PLAGNIOL-VILLARD
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1351942593-26400-2-git-send-email-plagnioj@jcrosoft.com \
--to=plagnioj@jcrosoft.com \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox