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| author | Marco Franchi <marco.franchi@nxp.com> | 2016-06-10 14:45:28 -0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-06-18 10:35:05 +0200 |
| commit | 0a35cc9395b7e4e5bc2b1370016f7c3156f945a4 (patch) | |
| tree | 800fe91a261db87ef06479d73ca9ce7d9e9c496b /board/warp7 | |
| parent | 0d7cdc2abfc34125f0bc85f864d285f06675290a (diff) | |
| download | u-boot-imx-0a35cc9395b7e4e5bc2b1370016f7c3156f945a4.zip u-boot-imx-0a35cc9395b7e4e5bc2b1370016f7c3156f945a4.tar.gz u-boot-imx-0a35cc9395b7e4e5bc2b1370016f7c3156f945a4.tar.bz2 | |
warp7: Fix watchdog reset
The latest version of warp7 board provides the connection of the
WDOG1_B pin to the PMIC.
Program the watchdog to enable the WDOG1_B output which causes
a POR reset.
Based on the imx7dsabresd code.
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Acked-by: Fabio Estevam <fabio.estevam@nxp.com>
Diffstat (limited to 'board/warp7')
| -rw-r--r-- | board/warp7/warp7.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index 8c5bf9a..27e31f3 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -32,6 +32,10 @@ int dram_init(void) return 0; } +static iomux_v3_cfg_t const wdog_pads[] = { + MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + static iomux_v3_cfg_t const uart1_pads[] = { MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), @@ -100,3 +104,20 @@ int board_usb_phy_mode(int port) { return USB_INIT_DEVICE; } + +int board_late_init(void) +{ + struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; + + imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); + + set_wdog_reset(wdog); + + /* + * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), + * since we use PMIC_PWRON to reset the board. + */ + clrsetbits_le16(&wdog->wcr, 0, 0x10); + + return 0; +} |