QE-HDLC and USB multi-use the pins, modify the pin-muxing code
for them, when set "hwconfig=qe-hdlc" in uboot, assign the pins
to QE-HDLC, if not, assgin it to USB
Signed-off-by: Zhao Qiang <qiang.z...@nxp.com>
---
Changes for v2:
- NA
Changes for v3:
- split from "[PATCH v2 3/3] QE: assgin pins to QE-HDLC"
Changes for v4:
- modify the format of multi-line comments
Changes for v5:
- modify the commit message
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 dafe7c9..66d974a 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
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