Dear Prafulla Wadaskar,
In message <1291302695-15561-1-git-send-email-prafu...@marvell.com> you wrote:
> Most of the Marvell SoCs has Multi Function Pin (MFP) configuration registers
> For ex. ARMADA100.
>
> These registers are programmed to expose the specific functionality
> associated with respective SoC Pins
>
> This driver provides configuration APIs,
> using them, configuration need to be done in board specific code
>
> for ex- following code configures MFPs 107 and 108 for UART_TX/RX
> functionality
>
> int board_early_init_f(void)
> {
> u32 mfp_cfg[] = {
> /* Console on UART1 */
> MFP107_UART1_RXD,
> MFP108_UART1_TXD,
> MFP_EOC /*End of configureation*/
> };
> /* configure MFP's */
> mfp_config(mfp_cfg);
> return 0;
> }
This smells as if it needs a ton of #defines in header files, covering
all possible pin configurations. Is there not a way to implemtn this
less expensively?
For example, check how such configurations are done in PowerPC land -
see for example the I/O configuration tables qe_iop_conf_tab[] in
board/freescale/mpc8360erdk/mpc8360erdk.c or in
board/freescale/mpc8568mds/mpc8568mds.c etc.
Best regards,
Wolfgang Denk
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