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| author | Stefano Babic <sbabic@denx.de> | 2010-06-29 11:48:24 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2010-10-13 18:10:56 +0200 |
| commit | b9eb3fdf2f545626525b85953d322b2f8d67d319 (patch) | |
| tree | 9b7b1b7e5db6973f2532fa15a66f9ec65e6336a2 /board/davedenx/qong/qong.c | |
| parent | 70e23264ffd18270741197be4d59691499c0ba5c (diff) | |
| download | u-boot-imx-b9eb3fdf2f545626525b85953d322b2f8d67d319.zip u-boot-imx-b9eb3fdf2f545626525b85953d322b2f8d67d319.tar.gz u-boot-imx-b9eb3fdf2f545626525b85953d322b2f8d67d319.tar.bz2 | |
MX31: Add support to update FPGA bitstream
The patch adds the possibility to update the QONG
FPGA (a Lattice XP2-5E) with u-boot using some GPIOs
to drive the JTAG interface.
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/davedenx/qong/qong.c')
| -rw-r--r-- | board/davedenx/qong/qong.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c index 9abc29c..efeb0bb 100644 --- a/board/davedenx/qong/qong.c +++ b/board/davedenx/qong/qong.c @@ -73,6 +73,15 @@ int board_early_init_f (void) /* set interrupt pin as input */ mxc_gpio_direction(QONG_FPGA_IRQ_PIN, MXC_GPIO_DIRECTION_IN); + /* FPGA JTAG Interface */ + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SFS6, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SCK6, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CAPTURE, MUX_CTL_GPIO)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_COMPARE, MUX_CTL_GPIO)); + mxc_gpio_direction(QONG_FPGA_TCK_PIN, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(QONG_FPGA_TMS_PIN, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(QONG_FPGA_TDI_PIN, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_direction(QONG_FPGA_TDO_PIN, MXC_GPIO_DIRECTION_IN); #endif /* setup pins for UART1 */ @@ -146,6 +155,8 @@ int board_init (void) gd->bd->bi_arch_number = MACH_TYPE_QONG; gd->bd->bi_boot_params = (0x80000100); /* adress of boot parameters */ + qong_fpga_init(); + return 0; } |