diff mbox

[U-Boot,v4,4/4] qe: assgin pins to qe-hdlc

Message ID 1454041697-20944-5-git-send-email-qiang.zhao@nxp.com
State Accepted
Commit a12a0ef89e2905c6e08c9a22858725cec68d1821
Delegated to: York Sun
Headers show

Commit Message

Qiang Zhao Jan. 29, 2016, 4:28 a.m. UTC
qe-hdlc and usb multi-use the pins, when set hwconfig=qe-hdlc,
assign the pins to qe-hdlc, if not, assgin it to usb

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
---
 board/freescale/ls1043ardb/ls1043ardb.c | 53 ++++++++++++++++++++++++++-------
 1 file changed, 43 insertions(+), 10 deletions(-)

Comments

Mingkai Hu Feb. 1, 2016, 7:43 a.m. UTC | #1
> -----Original Message-----
> From: Zhao Qiang [mailto:qiang.zhao@nxp.com]
> Sent: Friday, January 29, 2016 12:28 PM
> To: Mingkai Hu
> Cc: trini@konsulko.com; york sun; u-boot@lists.denx.de; Qiang Zhao
> Subject: [PATCH v4 4/4] qe: assgin pins to qe-hdlc
> 
> qe-hdlc and usb multi-use the pins, when set hwconfig=qe-hdlc, assign the
> pins to qe-hdlc, if not, assgin it to usb
> 
> Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
> ---
>  board/freescale/ls1043ardb/ls1043ardb.c | 53 ++++++++++++++++++++++++++-
> ------
>  1 file changed, 43 insertions(+), 10 deletions(-)
> 
> diff --git a/board/freescale/ls1043ardb/ls1043ardb.c
> b/board/freescale/ls1043ardb/ls1043ardb.c
> index c2d4887..7ba72f8 100644
> --- a/board/freescale/ls1043ardb/ls1043ardb.c
> +++ b/board/freescale/ls1043ardb/ls1043ardb.c
> @@ -114,18 +114,24 @@ int config_board_mux(void)
>  	struct ccsr_scfg *scfg = (struct ccsr_scfg
> *)CONFIG_SYS_FSL_SCFG_ADDR;
>  	u32 usb_pwrfault;
> 
> +	if (hwconfig("qe-hdlc")) {
> +		out_be32(&scfg->rcwpmuxcr0,
> +			 (in_be32(&scfg->rcwpmuxcr0) & ~0xff00) | 0x6600);
> +		printf("Assign to qe-hdlc clk, rcwpmuxcr0=%x\n",
> +		       in_be32(&scfg->rcwpmuxcr0));
> +	} else {
>  #ifdef CONFIG_HAS_FSL_XHCI_USB
> -	out_be32(&scfg->rcwpmuxcr0, 0x3333);
> -	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
> -	usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
> -			SCFG_USBPWRFAULT_USB3_SHIFT) |
> -			(SCFG_USBPWRFAULT_DEDICATED <<
> -			SCFG_USBPWRFAULT_USB2_SHIFT) |
> -			(SCFG_USBPWRFAULT_SHARED <<
> -			 SCFG_USBPWRFAULT_USB1_SHIFT);
> -	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
> +		out_be32(&scfg->rcwpmuxcr0, 0x3333);
> +		out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
> +		usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
> +				SCFG_USBPWRFAULT_USB3_SHIFT) |
> +				(SCFG_USBPWRFAULT_DEDICATED <<
> +				SCFG_USBPWRFAULT_USB2_SHIFT) |
> +				(SCFG_USBPWRFAULT_SHARED <<
> +				 SCFG_USBPWRFAULT_USB1_SHIFT);
> +		out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
>  #endif
> -
> +	}
>  	return 0;
>  }
> 
> @@ -152,6 +158,16 @@ int misc_init_r(void)  }  #endif
> 
> +void fdt_del_qe(void *blob)
> +{
> +	int nodeoff = 0;
> +
> +	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
> +				"fsl,qe")) >= 0) {
> +		fdt_del_node(blob, nodeoff);
> +	}
> +}
> +
>  int ft_board_setup(void *blob, bd_t *bd)  {
>  	u64 base[CONFIG_NR_DRAM_BANKS];
> @@ -169,6 +185,23 @@ int ft_board_setup(void *blob, bd_t *bd)  #ifdef
> CONFIG_SYS_DPAA_FMAN
>  	fdt_fixup_fman_ethernet(blob);
>  #endif
> +
> +	/*
> +	 * qe-hdlc and usb multi-use the pins,
> +	 * when set hwconfig to qe-hdlc, delete usb node.
> +	 */
> +	if (hwconfig("qe-hdlc"))
> +#ifdef CONFIG_HAS_FSL_XHCI_USB
> +		fdt_del_node_and_alias(blob, "usb1"); #endif
> +	/*
> +	 * qe just support qe-uart and qe-hdlc,
> +	 * if qe-uart and qe-hdlc are not set in hwconfig,
> +	 * delete qe node.
> +	 */
> +	if (!hwconfig("qe-uart") && !hwconfig("qe-hdlc"))
> +		fdt_del_qe(blob);
> +
>  	return 0;
>  }
> 
> --
> 2.1.0.27.g96db324

Reviewed-by: Mingkai Hu <mingkai.hu@nxp.com>

Regards,
Mingkai
diff mbox

Patch

diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index c2d4887..7ba72f8 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -114,18 +114,24 @@  int config_board_mux(void)
 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
 	u32 usb_pwrfault;
 
+	if (hwconfig("qe-hdlc")) {
+		out_be32(&scfg->rcwpmuxcr0,
+			 (in_be32(&scfg->rcwpmuxcr0) & ~0xff00) | 0x6600);
+		printf("Assign to qe-hdlc clk, rcwpmuxcr0=%x\n",
+		       in_be32(&scfg->rcwpmuxcr0));
+	} else {
 #ifdef CONFIG_HAS_FSL_XHCI_USB
-	out_be32(&scfg->rcwpmuxcr0, 0x3333);
-	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
-	usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
-			SCFG_USBPWRFAULT_USB3_SHIFT) |
-			(SCFG_USBPWRFAULT_DEDICATED <<
-			SCFG_USBPWRFAULT_USB2_SHIFT) |
-			(SCFG_USBPWRFAULT_SHARED <<
-			 SCFG_USBPWRFAULT_USB1_SHIFT);
-	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
+		out_be32(&scfg->rcwpmuxcr0, 0x3333);
+		out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
+		usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
+				SCFG_USBPWRFAULT_USB3_SHIFT) |
+				(SCFG_USBPWRFAULT_DEDICATED <<
+				SCFG_USBPWRFAULT_USB2_SHIFT) |
+				(SCFG_USBPWRFAULT_SHARED <<
+				 SCFG_USBPWRFAULT_USB1_SHIFT);
+		out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
 #endif
-
+	}
 	return 0;
 }
 
@@ -152,6 +158,16 @@  int misc_init_r(void)
 }
 #endif
 
+void fdt_del_qe(void *blob)
+{
+	int nodeoff = 0;
+
+	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
+				"fsl,qe")) >= 0) {
+		fdt_del_node(blob, nodeoff);
+	}
+}
+
 int ft_board_setup(void *blob, bd_t *bd)
 {
 	u64 base[CONFIG_NR_DRAM_BANKS];
@@ -169,6 +185,23 @@  int ft_board_setup(void *blob, bd_t *bd)
 #ifdef CONFIG_SYS_DPAA_FMAN
 	fdt_fixup_fman_ethernet(blob);
 #endif
+
+	/*
+	 * qe-hdlc and usb multi-use the pins,
+	 * when set hwconfig to qe-hdlc, delete usb node.
+	 */
+	if (hwconfig("qe-hdlc"))
+#ifdef CONFIG_HAS_FSL_XHCI_USB
+		fdt_del_node_and_alias(blob, "usb1");
+#endif
+	/*
+	 * qe just support qe-uart and qe-hdlc,
+	 * if qe-uart and qe-hdlc are not set in hwconfig,
+	 * delete qe node.
+	 */
+	if (!hwconfig("qe-uart") && !hwconfig("qe-hdlc"))
+		fdt_del_qe(blob);
+
 	return 0;
 }