diff options
| author | Heiko Schocher <hs@denx.de> | 2015-09-25 12:31:49 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-10-30 15:08:55 +0100 |
| commit | c39fcad7806f18763e2cb4d244863ccd024540c0 (patch) | |
| tree | d07acadc6c7d6bf8cc0883f14670ee8c413b5fbb /board/aristainetos | |
| parent | d62f2f8cdfd7ee9bd1e61fa1e71723340f870071 (diff) | |
arm, imx6, aristainetos2: set gpr register after reset
setting the gpr 1,8 and 12 registers to a fix value.
This is needed because after a WDT reset, this registers
are not correct resettet, and prevent linux from booting
again.
Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board/aristainetos')
| -rw-r--r-- | board/aristainetos/aristainetos-v2.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/aristainetos/aristainetos-v2.c b/board/aristainetos/aristainetos-v2.c index 49dbd2e4972..fa4b4d2c153 100644 --- a/board/aristainetos/aristainetos-v2.c +++ b/board/aristainetos/aristainetos-v2.c @@ -580,6 +580,21 @@ static void setup_iomux_gpio(void) imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); } +static void set_gpr_register(void) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + + writel(IOMUXC_GPR1_APP_CLK_REQ_N | IOMUXC_GPR1_PCIE_RDY_L23 | + IOMUXC_GPR1_EXC_MON_SLVE | + (2 << IOMUXC_GPR1_ADDRS0_OFFSET) | + IOMUXC_GPR1_ACT_CS0, + &iomuxc_regs->gpr[1]); + writel(0x0, &iomuxc_regs->gpr[8]); + writel(IOMUXC_GPR12_ARMP_IPG_CLK_EN | IOMUXC_GPR12_ARMP_AHB_CLK_EN | + IOMUXC_GPR12_ARMP_ATB_CLK_EN | IOMUXC_GPR12_ARMP_APB_CLK_EN, + &iomuxc_regs->gpr[12]); +} + int board_early_init_f(void) { setup_iomux_uart(); @@ -588,6 +603,7 @@ int board_early_init_f(void) gpio_direction_output(SOFT_RESET_GPIO, 1); gpio_direction_output(SD2_DRIVER_ENABLE, 1); setup_display(); + set_gpr_register(); return 0; } |