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| author | Zhao Qiang <qiang.zhao@nxp.com> | 2016-02-05 10:04:19 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-02-24 08:51:15 -0800 |
| commit | a12a0ef89e2905c6e08c9a22858725cec68d1821 (patch) | |
| tree | ecf2c1415e56afcd423c7a4a9fae1336408c3e24 /board | |
| parent | 110171dcef7bff6f4cbf93c309398f4523056eee (diff) | |
| download | u-boot-imx-a12a0ef89e2905c6e08c9a22858725cec68d1821.zip u-boot-imx-a12a0ef89e2905c6e08c9a22858725cec68d1821.tar.gz u-boot-imx-a12a0ef89e2905c6e08c9a22858725cec68d1821.tar.bz2 | |
board: ls1043ardb: Modify pin-muxing code for USB and QE-HDLC
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.zhao@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/ls1043ardb/ls1043ardb.c | 53 |
1 files 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; } |