On Thu, Oct 18, 2012 at 01:21:09PM +0200, Peter Korsgaard wrote:
> The i2c header is specific to ti(-derived) boards, and not generic for all
> am335x boards.
>
> Signed-off-by: Peter Korsgaard <peter.korsga...@barco.com>
[snip]
> -/*
> - * early system init of muxing and clocks.
> - */
> -void s_init(void)
> -{
> - /* WDT1 is already running when the bootloader gets control
> - * Disable it to avoid "random" resets
> - */
> - writel(0xAAAA, &wdtimer->wdtwspr);
> - while (readl(&wdtimer->wdtwwps) != 0x0)
> - ;
> - writel(0x5555, &wdtimer->wdtwspr);
> - while (readl(&wdtimer->wdtwwps) != 0x0)
> - ;
> -
> -#ifdef CONFIG_SPL_BUILD
> - /* Setup the PLLs and the clocks for the peripherals */
> - pll_init();
> -
> - /* UART softreset */
> - u32 regVal;
> -
> - enable_uart0_pin_mux();
> -
> - regVal = readl(&uart_base->uartsyscfg);
> - regVal |= UART_RESET;
> - writel(regVal, &uart_base->uartsyscfg);
> - while ((readl(&uart_base->uartsyssts) &
> - UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
> - ;
> -
> - /* Disable smart idle */
> - regVal = readl(&uart_base->uartsyscfg);
> - regVal |= UART_SMART_IDLE_EN;
> - writel(regVal, &uart_base->uartsyscfg);
> -
> - gd = &gdata;
> -
> - preloader_console_init();
> -
> - /* Initalize the board header */
> - enable_i2c0_pin_mux();
> - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
> - if (read_eeprom() < 0)
> - puts("Could not get board ID.\n");
> -
> - enable_board_pin_mux(&header);
> - if (board_is_evm_sk()) {
> - /*
> - * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
> - * This is safe enough to do on older revs.
> - */
> - gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
> - gpio_direction_output(GPIO_DDR_VTT_EN, 1);
> - }
> -
> - config_ddr(board_memory_type());
> -#endif
> -}My concern is that a lot of this should be general. But I'm willing to re-investigate how to do things once you're able to fully move your platform to mainline. -- Tom
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