void am33xx_spl_board_init(void)
{
unsigned int oldspeed;
unsigned short buf;
struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER;
struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP;
/*
* enable additional clocks of modules which are accessed later from
* VxWorks OS
*/
u32 *const clk_domains[] = { 0 };
u32 *const clk_modules_xre1specific[] = {
&cmwkup->wkup_adctscctrl,
&cmper->spi1clkctrl,
&cmper->dcan0clkctrl,
&cmper->dcan1clkctrl,
&cmper->epwmss0clkctrl,
&cmper->epwmss1clkctrl,
&cmper->epwmss2clkctrl,
&cmper->lcdclkctrl,
&cmper->lcdcclkstctrl,
0
};
do_enable_clocks(clk_domains, clk_modules_xre1specific, 1);
/* power-OFF LCD-Display */
gpio_direction_output(LCD_PWR, 0);
/* setup I2C */
enable_i2c_pin_mux();
i2c_set_bus_num(0);
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
/* power-ON 3V3 via Resetcontroller */
oldspeed = i2c_get_bus_speed();
if (i2c_set_bus_speed(CONFIG_SYS_OMAP24_I2C_SPEED_PSOC) >= 0) {
buf = RSTCTRL_FORCE_PWR_NEN | RSTCTRL_CAN_STB;
i2c_write(RSTCTRL_ADDR, RSTCTRL_CTRLREG, 1,
(uint8_t *)&buf, sizeof(buf));
i2c_set_bus_speed(oldspeed);
} else {
puts("ERROR: i2c_set_bus_speed failed! (turn on PWR_nEN)\n");
}
pmicsetup(0);
}
void am33xx_spl_board_init(void)
{
struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER;
/*struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP;*/
struct cm_dpll *const cmdpll = (struct cm_dpll *)CM_DPLL;
/*
* in TRM they write a reset value of 1 (=CLK_M_OSC) for the
* CLKSEL_TIMER6_CLK Register, in fact reset value is 0, so we need set
* the source of timer6 clk to CLK_M_OSC
*/
writel(0x01, &cmdpll->clktimer6clk);
/* enable additional clocks of modules which are accessed later */
u32 *const clk_domains[] = {
&cmper->lcdcclkstctrl,
0
};
u32 *const clk_modules_tsspecific[] = {
&cmper->lcdclkctrl,
&cmper->timer5clkctrl,
&cmper->timer6clkctrl,
0
};
do_enable_clocks(clk_domains, clk_modules_tsspecific, 1);
/* setup LCD-Pixel Clock */
writel(0x2, &cmdpll->clklcdcpixelclk); /* clock comes from perPLL M2 */
/* setup I2C */
enable_i2c_pin_mux();
i2c_set_bus_num(0);
i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
pmicsetup(0);
gpio_direction_output(64+29, 1); /* switch NAND_RnB to GPMC_WAIT1 */
gpio_direction_output(64+28, 1); /* switch MII2_CRS to GPMC_WAIT0 */
}