[U-Boot] [PATCH] powerpc/85xx: Add support for 2nd USB controller on p1_p2_rdb
Kumar Gala
galak at kernel.crashing.org
Sat Apr 9 20:22:31 CEST 2011
From: Ramneek Mehresh <ramneek.mehresh at freescale.com>
Second USB controller only works for SPI and SD boot because of pin muxing
Signed-off-by: Ramneek Mehresh <ramneek.mehresh at freescale.com>
---
arch/powerpc/include/asm/immap_85xx.h | 1 +
board/freescale/p1_p2_rdb/p1_p2_rdb.c | 14 ++++++++++++++
include/configs/P1_P2_RDB.h | 1 +
3 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 5486427..d6ac61a 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1969,6 +1969,7 @@ typedef struct ccsr_gur {
#define MPC85xx_PMUXCR_SD_DATA 0x80000000
#define MPC85xx_PMUXCR_SDHC_CD 0x40000000
#define MPC85xx_PMUXCR_SDHC_WP 0x20000000
+#define MPC85xx_PMUXCR_ELBC_OFF_USB2_ON 0x01000000
#define MPC85xx_PMUXCR_TDM_ENA 0x00800000
#define MPC85xx_PMUXCR_QE0 0x00008000
#define MPC85xx_PMUXCR_QE1 0x00004000
diff --git a/board/freescale/p1_p2_rdb/p1_p2_rdb.c b/board/freescale/p1_p2_rdb/p1_p2_rdb.c
index 307c3e2..3bd6c38 100644
--- a/board/freescale/p1_p2_rdb/p1_p2_rdb.c
+++ b/board/freescale/p1_p2_rdb/p1_p2_rdb.c
@@ -46,6 +46,7 @@ DECLARE_GLOBAL_DATA_PTR;
#define RGMII_PHY_RST_SET 0x02000000
#define USB_RST_CLR 0x04000000
+#define USB2_PORT_OUT_EN 0x01000000
#define GPIO_DIR 0x060f0000
@@ -127,6 +128,19 @@ int checkboard (void)
return 0;
}
+int misc_init_r(void)
+{
+#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ ccsr_gpio_t *gpio = (void *)CONFIG_SYS_MPC85xx_GPIO_ADDR;
+
+ setbits_be32(&gpio->gpdir, USB2_PORT_OUT_EN);
+ setbits_be32(&gpio->gpdat, USB2_PORT_OUT_EN);
+ setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_ELBC_OFF_USB2_ON);
+#endif
+ return 0;
+}
+
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index 5907856..449329a 100644
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -244,6 +244,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_SYS_FLASH_AMD_CHECK_DQ7
#define CONFIG_BOARD_EARLY_INIT_R /* call board_early_init_r function */
+#define CONFIG_MISC_INIT_R
#define CONFIG_HWCONFIG
#define CONFIG_SYS_INIT_RAM_LOCK 1
--
1.7.3.4
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