[U-Boot] [PATCH 2/3] digsy MTC: Add SPI support.
Grzegorz Bernacki
gjb at semihalf.com
Wed May 27 11:22:58 CEST 2009
Signed-off-by: Grzegorz Bernacki <gjb at semihalf.com>
---
board/digsy_mtc/digsy_mtc.c | 14 ++++++++++++++
include/configs/digsy_mtc.h | 7 +++++++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/board/digsy_mtc/digsy_mtc.c b/board/digsy_mtc/digsy_mtc.c
index 83d5864..36bbbc5 100644
--- a/board/digsy_mtc/digsy_mtc.c
+++ b/board/digsy_mtc/digsy_mtc.c
@@ -186,6 +186,10 @@ int checkboard(void)
int board_early_init_r(void)
{
+#ifdef CONFIG_MPC52XX_SPI
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
+ struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt*)MPC5XXX_GPT;
+#endif
/*
* Now, when we are in RAM, enable flash write access for detection
* process. Note that CS_BOOT cannot be cleared when executing in
@@ -202,6 +206,16 @@ int board_early_init_r(void)
/* Low level USB init, required for proper kernel operation */
usb_cpu_init();
#endif
+#ifdef CONFIG_MPC52XX_SPI
+ /* SPI on Tmr2/3/4/5 pins */
+ gpio->port_config |= 0x20000000;
+
+ /* GPT 6 Output Enable */
+ gpt[6].emsr = 0x00000034 ;
+ /* GPT 7 Output Enable */
+ gpt[7].emsr = 0x00000034 ;
+#endif
+
return (0);
}
diff --git a/include/configs/digsy_mtc.h b/include/configs/digsy_mtc.h
index 66badd7..0cc2a8d 100644
--- a/include/configs/digsy_mtc.h
+++ b/include/configs/digsy_mtc.h
@@ -100,6 +100,7 @@
#define CONFIG_CMD_PING
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_SAVES
+#define CONFIG_CMD_SPI
#define CONFIG_CMD_USB
#if (TEXT_BASE == 0xFF000000)
@@ -137,6 +138,12 @@
""
/*
+ * SPI configuration
+ */
+#define CONFIG_HARD_SPI 1
+#define CONFIG_MPC52XX_SPI 1
+
+/*
* I2C configuration
*/
#define CONFIG_HARD_I2C 1
--
1.6.0.6
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