[U-Boot] [PATCH 2/6] ARM: rmobile: Move HSUSB configuration to board on Salvator-X
Marek Vasut
marek.vasut at gmail.com
Tue Sep 26 18:06:46 UTC 2017
In order to use ehci-generic driver, move the configuration of HSUSB
block into the board file. This configuration should not have been in
the Gen3 EHCI USB driver in the first place, so move it to the board
file until there is a proper infrastructure and driver for the HSUSB
block.
Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
---
board/renesas/salvator-x/salvator-x.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/board/renesas/salvator-x/salvator-x.c b/board/renesas/salvator-x/salvator-x.c
index e260117802..37fcbbd448 100644
--- a/board/renesas/salvator-x/salvator-x.c
+++ b/board/renesas/salvator-x/salvator-x.c
@@ -55,6 +55,7 @@ void s_init(void)
#define SD1_MSTP313 BIT(13)
#define SD2_MSTP312 BIT(12) /* either MMC0 */
#define SD3_MSTP311 BIT(11) /* either MMC1 */
+#define HSUSB_MSTP704 BIT(4) /* HSUSB */
#define SD0CKCR 0xE6150074
#define SD1CKCR 0xE6150078
@@ -92,6 +93,13 @@ int board_early_init_f(void)
/* -/W 32 Power resume control register 2 (3DG) */
#define SYSC_PWRONCR2 0xE618010C
+/* HSUSB block registers */
+#define HSUSB_REG_LPSTS 0xE6590102
+#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
+#define HSUSB_REG_UGCTRL2 0xE6590184
+#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
+#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
+
int board_init(void)
{
/* adress of boot parameters */
@@ -116,6 +124,14 @@ int board_init(void)
/* USB1 pull-up */
setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
+ /* Configure the HSUSB block */
+ mstp_clrbits_le32(MSTPSR7, SMSTPCR7, HSUSB_MSTP704);
+ /* Choice USB0SEL */
+ clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
+ HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
+ /* low power status */
+ setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
+
#ifdef CONFIG_RENESAS_RAVB
/* EtherAVB Enable */
/* GPSR2 */
--
2.11.0
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