Setup QE pin multiplexing for USB function, configure needed BCSRs and add some fdt fixups.
Signed-off-by: Anton Vorontsov avorontsov@ru.mvista.com --- board/freescale/mpc8569mds/bcsr.h | 4 +++ board/freescale/mpc8569mds/mpc8569mds.c | 32 +++++++++++++++++++++++++++++++ drivers/qe/fdt.c | 2 + 3 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mpc8569mds/bcsr.h b/board/freescale/mpc8569mds/bcsr.h index 179a54c..091b69c 100644 --- a/board/freescale/mpc8569mds/bcsr.h +++ b/board/freescale/mpc8569mds/bcsr.h @@ -72,6 +72,10 @@
#define BCSR16_UPC1_DEV2 0x02
+#define BCSR17_nUSBEN 0x80 +#define BCSR17_nUSBLOWSPD 0x40 +#define BCSR17_USBVCC 0x20 +#define BCSR17_USBMODE 0x10 #define BCSR17_FLASH_nWP 0x01
/*BCSR Utils functions*/ diff --git a/board/freescale/mpc8569mds/mpc8569mds.c b/board/freescale/mpc8569mds/mpc8569mds.c index ef99a75..cdd7813 100644 --- a/board/freescale/mpc8569mds/mpc8569mds.c +++ b/board/freescale/mpc8569mds/mpc8569mds.c @@ -160,6 +160,15 @@ const qe_iop_conf_t qe_iop_conf_tab[] = { {0, 25, 1, 0, 1}, /* QEUART_RTS */ {1, 23, 2, 0, 1}, /* QEUART_CTS */
+ /* QE USB */ + {5, 3, 1, 0, 1}, /* USB_OE */ + {5, 4, 1, 0, 2}, /* USB_TP */ + {5, 5, 1, 0, 2}, /* USB_TN */ + {5, 6, 2, 0, 2}, /* USB_RP */ + {5, 7, 2, 0, 1}, /* USB_RX */ + {5, 8, 2, 0, 1}, /* USB_RN */ + {2, 4, 2, 0, 2}, /* CLK5 */ + /* SPI Flash, M25P40 */ {4, 27, 3, 0, 1}, /* SPI_MOSI */ {4, 28, 3, 0, 1}, /* SPI_MISO */ @@ -479,6 +488,28 @@ static void fdt_board_fixup_esdhc(void *blob, bd_t *bd) static inline void fdt_board_fixup_esdhc(void *blob, bd_t *bd) {} #endif
+static void fdt_board_fixup_qe_usb(void *blob, bd_t *bd) +{ + u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE; + + if (hwconfig_subarg_cmp("qe_usb", "speed", "low")) + clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD); + else + setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD); + + if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) { + clrbits_8(&bcsr[17], BCSR17_USBVCC); + clrbits_8(&bcsr[17], BCSR17_USBMODE); + do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode", + "peripheral", sizeof("peripheral"), 1); + } else { + setbits_8(&bcsr[17], BCSR17_USBVCC); + setbits_8(&bcsr[17], BCSR17_USBMODE); + } + + clrbits_8(&bcsr[17], BCSR17_nUSBEN); +} + #ifdef CONFIG_PCIE1 static struct pci_controller pcie1_hose; #endif /* CONFIG_PCIE1 */ @@ -622,5 +653,6 @@ void ft_board_setup(void *blob, bd_t *bd) #endif fdt_board_fixup_esdhc(blob, bd); fdt_board_fixup_qe_uart(blob, bd); + fdt_board_fixup_qe_usb(blob, bd); } #endif diff --git a/drivers/qe/fdt.c b/drivers/qe/fdt.c index 5307488..d7c7d13 100644 --- a/drivers/qe/fdt.c +++ b/drivers/qe/fdt.c @@ -85,6 +85,8 @@ void ft_qe_setup(void *blob) "bus-frequency", gd->qe_clk, 1); do_fixup_by_compat_u32(blob, "fsl,qe", "brg-frequency", gd->brg_clk, 1); + do_fixup_by_compat_u32(blob, "fsl,qe-gtm", + "clock-frequency", gd->qe_clk / 2, 1); fdt_fixup_qe_firmware(blob); #endif }