
Hi Tero,
On Wed, Apr 25, 2012 at 9:35 PM, Tero Kristo t-kristo@ti.com wrote:
If uart2 is enabled during boot, spurious wifi chip transmission will hang the module and it is impossible to recover from this situation without hard reset. This will prevent any l4_per domain idle transitions.
Signed-off-by: Tero Kristo t-kristo@ti.com
board/ti/panda/panda_mux_data.h | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/board/ti/panda/panda_mux_data.h b/board/ti/panda/panda_mux_data.h index 3efc22a..dc8b388 100644 --- a/board/ti/panda/panda_mux_data.h +++ b/board/ti/panda/panda_mux_data.h @@ -168,10 +168,10 @@ const struct pad_conf_entry core_padconf_array_non_essential[] = { {ABE_DMIC_DIN1, (IEN | M0)}, /* abe_dmic_din1 */ {ABE_DMIC_DIN2, (PTU | IEN | M3)}, /* gpio_121 */ {ABE_DMIC_DIN3, (IEN | M0)}, /* abe_dmic_din3 */
- {UART2_CTS, (PTU | IEN | M0)}, /* uart2_cts */
- {UART2_RTS, (M0)}, /* uart2_rts */
- {UART2_RX, (PTU | IEN | M0)}, /* uart2_rx */
- {UART2_TX, (M0)}, /* uart2_tx */
- {UART2_CTS, (PTU | IEN | M7)}, /* uart2_cts */
- {UART2_RTS, (M7)}, /* uart2_rts */
- {UART2_RX, (PTU | IEN | M7)}, /* uart2_rx */
- {UART2_TX, (M7)}, /* uart2_tx */
{HDQ_SIO, (M3)}, /* gpio_127 */ {MCSPI1_CLK, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* mcspi1_clk */ {MCSPI1_SOMI, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* mcspi1_somi */ --
How about not muxing and keeping the pads at reset modes ( safe mode). If this works , then better to remove these pads from the table.
Thanks, Sricharan