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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-10-15 17:47:16 +0400 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-10-27 10:04:17 -0500 |
| commit | 3fca80375981fe83d4674a0267183b469a1ea7ff (patch) | |
| tree | 086e8479c459b16088096832b87ca9d569c43f4c | |
| parent | 14809b6c21c89dd65abaf3fea7627fb5ea0f78a3 (diff) | |
| download | u-boot-imx-3fca80375981fe83d4674a0267183b469a1ea7ff.zip u-boot-imx-3fca80375981fe83d4674a0267183b469a1ea7ff.tar.gz u-boot-imx-3fca80375981fe83d4674a0267183b469a1ea7ff.tar.bz2 | |
mpc85xx: Configure QE USB for MPC8569E-MDS boards
Setup QE pin multiplexing for USB function, configure needed BCSRs
and add some fdt fixups.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| -rw-r--r-- | board/freescale/mpc8569mds/bcsr.h | 4 | ||||
| -rw-r--r-- | board/freescale/mpc8569mds/mpc8569mds.c | 32 | ||||
| -rw-r--r-- | 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 } |