static void __init m28evk_init(void)
{
mxs_iomux_setup_multiple_pads(m28evk_pads, ARRAY_SIZE(m28evk_pads));
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
if (!m28evk_fec_get_mac()) {
mx28_add_fec(0, &mx28_fec_pdata[0]);
mx28_add_fec(1, &mx28_fec_pdata[1]);
}
mx28_add_flexcan(0, NULL);
mx28_add_flexcan(1, NULL);
mx28_add_mxsfb(&m28evk_mxsfb_pdata);
mx28_add_mxs_mmc(0, &m28evk_mmc_pdata[0]);
mx28_add_mxs_mmc(1, &m28evk_mmc_pdata[1]);
gpio_led_register_device(0, &m28evk_led_data);
/* I2C */
mx28_add_mxs_i2c(0);
i2c_register_board_info(0, m28_stk5v3_i2c_boardinfo,
ARRAY_SIZE(m28_stk5v3_i2c_boardinfo));
}
static void __init mx23evk_init(void)
{
int ret;
mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
mx23_add_duart();
mx23_add_auart0();
/* power on mmc slot by writing 0 to the gpio */
ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
"mmc0-slot-power");
if (ret)
pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);
ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
else
gpio_set_value(MX23EVK_LCD_ENABLE, 1);
ret = gpio_request_one(MX23EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
if (ret)
pr_warn("failed to request gpio bl-enable: %d\n", ret);
else
gpio_set_value(MX23EVK_BL_ENABLE, 1);
mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
mx23_add_rtc_stmp3xxx();
}
void mxs_common_spl_init(const uint32_t arg, const uint32_t *resptr,
const iomux_cfg_t *iomux_setup,
const unsigned int iomux_size)
{
struct mxs_spl_data *data = MXS_SPL_DATA;
uint8_t bootmode = mxs_get_bootmode_index();
gd = &gdata;
mxs_spl_fixup_vectors();
mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
mxs_spl_console_init();
debug("SPL: Serial Console Initialised\n");
mxs_power_init();
mxs_mem_init();
data->mem_dram_size = mxs_mem_get_size();
data->boot_mode_idx = bootmode;
mxs_power_wait_pswitch();
if (mxs_boot_modes[data->boot_mode_idx].boot_pads == MXS_BM_JTAG) {
debug("SPL: Waiting for JTAG user\n");
asm volatile ("x: b x");
}
static uint8_t mxs_get_bootmode_index(void)
{
uint8_t bootmode = 0;
int i;
uint8_t masked;
/* Setup IOMUX of bootmode pads to GPIO */
mxs_iomux_setup_multiple_pads(iomux_boot, ARRAY_SIZE(iomux_boot));
/* Setup bootmode pins as GPIO input */
gpio_direction_input(MX28_PAD_LCD_D00__GPIO_1_0);
gpio_direction_input(MX28_PAD_LCD_D01__GPIO_1_1);
gpio_direction_input(MX28_PAD_LCD_D02__GPIO_1_2);
gpio_direction_input(MX28_PAD_LCD_D03__GPIO_1_3);
gpio_direction_input(MX28_PAD_LCD_D04__GPIO_1_4);
gpio_direction_input(MX28_PAD_LCD_D05__GPIO_1_5);
/* Read bootmode pads */
bootmode |= (gpio_get_value(MX28_PAD_LCD_D00__GPIO_1_0) ? 1 : 0) << 0;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D01__GPIO_1_1) ? 1 : 0) << 1;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D02__GPIO_1_2) ? 1 : 0) << 2;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D03__GPIO_1_3) ? 1 : 0) << 3;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D04__GPIO_1_4) ? 1 : 0) << 4;
bootmode |= (gpio_get_value(MX28_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5;
for (i = 0; i < ARRAY_SIZE(mxs_boot_modes); i++) {
masked = bootmode & mxs_boot_modes[i].boot_mask;
if (masked == mxs_boot_modes[i].boot_pads)
break;
}
return i;
}
static void __init mx28evk_init(void)
{
int ret;
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
if (mx28evk_fec_get_mac())
pr_warn("%s: failed on fec mac setup\n", __func__);
mx28evk_fec_reset();
mx28_add_fec(0, &mx28_fec_pdata[0]);
mx28_add_fec(1, &mx28_fec_pdata[1]);
ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
"flexcan-switch");
if (ret) {
pr_err("failed to request gpio flexcan-switch: %d\n", ret);
} else {
mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
}
ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_LCD_ENABLE, 1);
ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
if (ret)
pr_warn("failed to request gpio bl-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_BL_ENABLE, 1);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
/* power on mmc slot by writing 0 to the gpio */
ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
"mmc0-slot-power");
if (ret)
pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW,
"mmc1-slot-power");
if (ret)
pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
gpio_led_register_device(0, &mx28evk_led_data);
}
static void __init mx28evk_init(void)
{
int ret;
mx28_soc_init();
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
if (mx28evk_fec_get_mac())
pr_warn("%s: failed on fec mac setup\n", __func__);
ret = gpio_request_array(mx28evk_gpios, ARRAY_SIZE(mx28evk_gpios));
if (ret)
pr_err("One or more GPIOs failed to be requested: %d\n", ret);
mx28evk_fec_reset();
mx28_add_fec(0, &mx28_fec_pdata[0]);
mx28_add_fec(1, &mx28_fec_pdata[1]);
mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
mx28_add_saif(0, &mx28evk_mxs_saif_pdata[0]);
mx28_add_saif(1, &mx28evk_mxs_saif_pdata[1]);
mx28_add_mxs_i2c(0);
i2c_register_board_info(0, mxs_i2c0_board_info,
ARRAY_SIZE(mxs_i2c0_board_info));
mx28evk_add_regulators();
mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0,
NULL, 0);
mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
mx28_add_rtc_stmp3xxx();
gpio_led_register_device(0, &mx28evk_led_data);
}
/*
* Functions
*/
int board_early_init_f(void)
{
/* IO0 clock at 480MHz */
mx28_set_ioclk(MXC_IOCLK0, 480000);
/* IO1 clock at 480MHz */
mx28_set_ioclk(MXC_IOCLK1, 480000);
/* SSP0 clock at 96MHz */
mx28_set_sspclk(MXC_SSPCLK0, 96000, 0);
/* SSP2 clock at 96MHz */
mx28_set_sspclk(MXC_SSPCLK2, 96000, 0);
gpio_request_array(tx28_gpios, ARRAY_SIZE(tx28_gpios));
mxs_iomux_setup_multiple_pads(tx28_pads, ARRAY_SIZE(tx28_pads));
return 0;
}
void mxs_common_spl_init(const iomux_cfg_t *iomux_setup,
const unsigned int iomux_size)
{
struct mxs_spl_data *data = (struct mxs_spl_data *)
((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf);
uint8_t bootmode = mxs_get_bootmode_index();
mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size);
mxs_power_init();
mxs_mem_init();
data->mem_dram_size = mxs_mem_get_size();
data->boot_mode_idx = bootmode;
mxs_power_wait_pswitch();
}
static void __init tx28_stk5v3_init(void)
{
mxs_iomux_setup_multiple_pads(tx28_stk5v3_pads,
ARRAY_SIZE(tx28_stk5v3_pads));
mx28_add_duart(); /* UART1 */
mx28_add_auart(1); /* UART2 */
tx28_add_fec0();
/* spi via ssp will be added when available */
spi_register_board_info(tx28_spi_board_info,
ARRAY_SIZE(tx28_spi_board_info));
mxs_add_platform_device("leds-gpio", 0, NULL, 0,
&tx28_stk5v3_led_data, sizeof(tx28_stk5v3_led_data));
mx28_add_mxs_i2c(0);
i2c_register_board_info(0, tx28_stk5v3_i2c_boardinfo,
ARRAY_SIZE(tx28_stk5v3_i2c_boardinfo));
}
static void __init stmp378x_dvb_init(void)
{
int ret;
mxs_iomux_setup_multiple_pads(stmp378x_dvb_pads,
ARRAY_SIZE(stmp378x_dvb_pads));
mx23_add_duart();
mx23_add_auart0();
/* power on mmc slot */
ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER,
GPIOF_OUT_INIT_LOW, "mmc0-slot-power");
if (ret)
pr_warn("could not power mmc (%d)\n", ret);
mx23_add_mxs_mmc(0, &stmp378x_dvb_mmc_pdata);
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
static void __init mx28evk_init(void)
{
int ret;
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart3();
if (mx28evk_fec_get_mac())
pr_warn("%s: failed on fec mac setup\n", __func__);
mx28evk_fec_reset();
mx28_add_fec(0, &mx28_fec_pdata[0]);
mx28_add_fec(1, &mx28_fec_pdata[1]);
ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
"flexcan-switch");
if (ret) {
pr_err("failed to request gpio flexcan-switch: %d\n", ret);
} else {
mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
}
ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_LCD_ENABLE, 1);
ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
if (ret)
pr_warn("failed to request gpio bl-enable: %d\n", ret);
else
gpio_set_value(MX28EVK_BL_ENABLE, 1);
mx28_add_gpmi_nfc(&mx28evk_gpmi_nfc_data);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
}
static uint8_t mxs_get_bootmode_index(void)
{
uint8_t bootmode = 0;
int i;
uint8_t masked;
#if defined(CONFIG_MX23)
/* Setup IOMUX of bootmode pads to GPIO */
mxs_iomux_setup_multiple_pads(iomux_boot, ARRAY_SIZE(iomux_boot));
/* Setup bootmode pins as GPIO input */
gpio_direction_input(MX23_PAD_LCD_D00__GPIO_1_0);
gpio_direction_input(MX23_PAD_LCD_D01__GPIO_1_1);
gpio_direction_input(MX23_PAD_LCD_D02__GPIO_1_2);
gpio_direction_input(MX23_PAD_LCD_D03__GPIO_1_3);
gpio_direction_input(MX23_PAD_LCD_D05__GPIO_1_5);
/* Read bootmode pads */
bootmode |= (gpio_get_value(MX23_PAD_LCD_D00__GPIO_1_0) ? 1 : 0) << 0;
bootmode |= (gpio_get_value(MX23_PAD_LCD_D01__GPIO_1_1) ? 1 : 0) << 1;
bootmode |= (gpio_get_value(MX23_PAD_LCD_D02__GPIO_1_2) ? 1 : 0) << 2;
bootmode |= (gpio_get_value(MX23_PAD_LCD_D03__GPIO_1_3) ? 1 : 0) << 3;
bootmode |= (gpio_get_value(MX23_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5;
#elif defined(CONFIG_MX28)
/* The global boot mode will be detected by ROM code and its value
* is stored at the fixed address 0x00019BF0 in OCRAM.
*/
#define GLOBAL_BOOT_MODE_ADDR 0x00019BF0
bootmode = __raw_readl(GLOBAL_BOOT_MODE_ADDR);
#endif
for (i = 0; i < ARRAY_SIZE(mxs_boot_modes); i++) {
masked = bootmode & mxs_boot_modes[i].boot_mask;
if (masked == mxs_boot_modes[i].boot_pads)
break;
}
return i;
}
static void __init mx23evk_init(void)
{
int ret;
mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
mx23_add_duart();
mx23_add_auart0();
ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
if (ret)
pr_warn("failed to request gpio lcd-enable: %d\n", ret);
else
gpio_set_value(MX23EVK_LCD_ENABLE, 1);
ret = gpio_request_one(MX23EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
if (ret)
pr_warn("failed to request gpio bl-enable: %d\n", ret);
else
gpio_set_value(MX23EVK_BL_ENABLE, 1);
mx23_add_gpmi_nfc(&mx23evk_gpmi_nfc_data);
mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
}
static void __init apx4devkit_init(void)
{
mxs_iomux_setup_multiple_pads(apx4devkit_pads,
ARRAY_SIZE(apx4devkit_pads));
mx28_add_duart();
mx28_add_auart0();
mx28_add_auart1();
mx28_add_auart2();
mx28_add_auart3();
/*
* Register fixup for the Micrel KS8031 PHY clock
* (shares same ID with KS8051)
*/
phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
apx4devkit_phy_fixup);
mx28_add_fec(0, &mx28_fec_pdata);
mx28_add_mxs_mmc(0, &apx4devkit_mmc_pdata);
gpio_led_register_device(0, &apx4devkit_led_data);
mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
mx28_add_saif(0, &apx4devkit_mxs_saif_pdata[0]);
mx28_add_saif(1, &apx4devkit_mxs_saif_pdata[1]);
apx4devkit_add_regulators();
mx28_add_mxs_i2c(0);
i2c_register_board_info(0, apx4devkit_i2c_boardinfo,
ARRAY_SIZE(apx4devkit_i2c_boardinfo));
mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, NULL, 0);
}
static int mx28evk_gpmi_nfc_platform_init(void)
{
return mxs_iomux_setup_multiple_pads(mx28evk_gpmi_nfc_pads,
ARRAY_SIZE(mx28evk_gpmi_nfc_pads));
}
void lcd_ctrl_init(void *lcdbase)
{
int color_depth = 24;
char *vm;
unsigned long val;
int refresh = 60;
struct fb_videomode *p = &tx28_fb_modes[0];
int xres_set = 0, yres_set = 0, bpp_set = 0, refresh_set = 0;
if (!lcd_enabled) {
debug("LCD disabled\n");
return;
}
if (tstc()) {
debug("Disabling LCD\n");
lcd_enabled = 0;
return;
}
vm = getenv("video_mode");
if (vm == NULL) {
debug("Disabling LCD\n");
lcd_enabled = 0;
return;
}
while (p->name != NULL) {
if (strcmp(p->name, vm) == 0) {
printf("Using video mode: '%s'\n", p->name);
vm += strlen(vm);
break;
}
p++;
}
while (*vm != '\0') {
if (*vm >= '0' && *vm <= '9') {
char *end;
val = simple_strtoul(vm, &end, 0);
if (end > vm) {
if (!xres_set) {
if (val > panel_info.vl_col)
val = panel_info.vl_col;
p->xres = val;
xres_set = 1;
} else if (!yres_set) {
if (val > panel_info.vl_row)
val = panel_info.vl_row;
p->yres = val;
yres_set = 1;
} else if (!bpp_set) {
switch (val) {
case 8:
case 16:
case 18:
case 24:
color_depth = val;
break;
default:
printf("Invalid color depth: '%.*s' in video_mode; using default: '%u'\n",
end - vm, vm, color_depth);
}
bpp_set = 1;
} else if (!refresh_set) {
refresh = val;
refresh_set = 1;
}
}
vm = end;
}
switch (*vm) {
case '@':
bpp_set = 1;
/* fallthru */
case '-':
yres_set = 1;
/* fallthru */
case 'x':
xres_set = 1;
/* fallthru */
case 'M':
case 'R':
vm++;
break;
default:
if (*vm != '\0')
vm++;
}
}
if (p->xres == 0 || p->yres == 0) {
printf("Invalid video mode: %s\n", getenv("video_mode"));
lcd_enabled = 0;
printf("Supported video modes are:");
for (p = &tx28_fb_modes[0]; p->name != NULL; p++) {
printf(" %s", p->name);
}
printf("\n");
return;
}
p->pixclock = KHZ2PICOS(refresh *
(p->xres + p->left_margin + p->right_margin + p->hsync_len) *
(p->yres + p->upper_margin + p->lower_margin + p->vsync_len) /
1000);
debug("Pixel clock set to %lu.%03lu MHz\n",
PICOS2KHZ(p->pixclock) / 1000, PICOS2KHZ(p->pixclock) % 1000);
gpio_request_array(stk5_lcd_gpios, ARRAY_SIZE(stk5_lcd_gpios));
mxs_iomux_setup_multiple_pads(stk5_lcd_pads,
ARRAY_SIZE(stk5_lcd_pads));
debug("video format: %ux%u-%u@%u\n", p->xres, p->yres,
color_depth, refresh);
if (karo_load_splashimage(0) == 0) {
debug("Initializing LCD controller\n");
mxsfb_init(p, PIX_FMT_RGB24, color_depth);
video_hw_init(lcdbase);
} else {
debug("Skipping initialization of LCD controller\n");
}
}
static void stk5_board_init(void)
{
gpio_request_array(stk5_gpios, ARRAY_SIZE(stk5_gpios));
mxs_iomux_setup_multiple_pads(stk5_pads, ARRAY_SIZE(stk5_pads));
}
void coloured_LED_init(void)
{
mxs_iomux_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads));
}
int board_eth_init(bd_t *bis)
{
int ret;
/* Reset the external phy */
gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0);
/* Power on the external phy */
gpio_direction_output(MX28_PAD_PWM4__GPIO_3_29, 1);
/* Pull strap pins to high */
gpio_direction_output(MX28_PAD_ENET0_RX_EN__GPIO_4_2, 1);
gpio_direction_output(MX28_PAD_ENET0_RXD0__GPIO_4_3, 1);
gpio_direction_output(MX28_PAD_ENET0_RXD1__GPIO_4_4, 1);
gpio_direction_input(MX28_PAD_ENET0_TX_CLK__GPIO_4_5);
udelay(25000);
gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1);
udelay(100);
mxs_iomux_setup_multiple_pads(tx28_fec_pads, ARRAY_SIZE(tx28_fec_pads));
ret = cpu_eth_init(bis);
if (ret) {
printf("cpu_eth_init() failed: %d\n", ret);
return ret;
}
ret = fec_get_mac_addr(0);
if (ret < 0) {
printf("Failed to read FEC0 MAC address from OCOTP\n");
return ret;
}
#ifdef CONFIG_FEC_MXC_MULTI
if (getenv("ethaddr")) {
ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
if (ret) {
printf("FEC MXS: Unable to init FEC0\n");
return ret;
}
}
ret = fec_get_mac_addr(1);
if (ret < 0) {
printf("Failed to read FEC1 MAC address from OCOTP\n");
return ret;
}
if (getenv("eth1addr")) {
ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
if (ret) {
printf("FEC MXS: Unable to init FEC1\n");
return ret;
}
}
return 0;
#else
if (getenv("ethaddr")) {
ret = fecmxc_initialize(bis);
}
return ret;
#endif
}