static void rsb_cfg_io(void)
{
#ifdef CONFIG_MACH_SUN8I
sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_GPL0_R_RSB_SCK);
sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_GPL1_R_RSB_SDA);
sunxi_gpio_set_pull(SUNXI_GPL(0), 1);
sunxi_gpio_set_pull(SUNXI_GPL(1), 1);
sunxi_gpio_set_drv(SUNXI_GPL(0), 2);
sunxi_gpio_set_drv(SUNXI_GPL(1), 2);
#elif defined CONFIG_MACH_SUN9I
sunxi_gpio_set_cfgpin(SUNXI_GPN(0), SUN9I_GPN0_R_RSB_SCK);
sunxi_gpio_set_cfgpin(SUNXI_GPN(1), SUN9I_GPN1_R_RSB_SDA);
sunxi_gpio_set_pull(SUNXI_GPN(0), 1);
sunxi_gpio_set_pull(SUNXI_GPN(1), 1);
sunxi_gpio_set_drv(SUNXI_GPN(0), 2);
sunxi_gpio_set_drv(SUNXI_GPN(1), 2);
#else
#error unsupported MACH_SUNXI
#endif
}
static int mmc_resource_init(int sdc_no)
{
struct sunxi_mmc_host *mmchost = &mmc_host[sdc_no];
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
int cd_pin, ret = 0;
debug("init mmc %d resource\n", sdc_no);
switch (sdc_no) {
case 0:
mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC0_BASE;
mmchost->mclkreg = &ccm->sd0_clk_cfg;
break;
case 1:
mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC1_BASE;
mmchost->mclkreg = &ccm->sd1_clk_cfg;
break;
case 2:
mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC2_BASE;
mmchost->mclkreg = &ccm->sd2_clk_cfg;
break;
case 3:
mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC3_BASE;
mmchost->mclkreg = &ccm->sd3_clk_cfg;
break;
default:
printf("Wrong mmc number %d\n", sdc_no);
return -1;
}
mmchost->mmc_no = sdc_no;
cd_pin = sunxi_mmc_getcd_gpio(sdc_no);
if (cd_pin >= 0) {
ret = gpio_request(cd_pin, "mmc_cd");
if (!ret) {
sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
ret = gpio_direction_input(cd_pin);
}
}
return ret;
}
void pullUpDnControlGpio(int pin, int pud)
{
sunxi_gpio_set_pull(pinWiringOli(pin), pud);
}
static int sun4i_spi_parse_pins(struct udevice *dev)
{
const void *fdt = gd->fdt_blob;
const char *pin_name;
const fdt32_t *list;
u32 phandle;
int drive, pull = 0, pin, i;
int offset;
int size;
list = fdt_getprop(fdt, dev_of_offset(dev), "pinctrl-0", &size);
if (!list) {
printf("WARNING: sun4i_spi: cannot find pinctrl-0 node\n");
return -EINVAL;
}
while (size) {
phandle = fdt32_to_cpu(*list++);
size -= sizeof(*list);
offset = fdt_node_offset_by_phandle(fdt, phandle);
if (offset < 0)
return offset;
drive = fdt_getprop_u32_default_node(fdt, offset, 0,
"drive-strength", 0);
if (drive) {
if (drive <= 10)
drive = 0;
else if (drive <= 20)
drive = 1;
else if (drive <= 30)
drive = 2;
else
drive = 3;
} else {
drive = fdt_getprop_u32_default_node(fdt, offset, 0,
"allwinner,drive",
0);
drive = min(drive, 3);
}
if (fdt_get_property(fdt, offset, "bias-disable", NULL))
pull = 0;
else if (fdt_get_property(fdt, offset, "bias-pull-up", NULL))
pull = 1;
else if (fdt_get_property(fdt, offset, "bias-pull-down", NULL))
pull = 2;
else
pull = fdt_getprop_u32_default_node(fdt, offset, 0,
"allwinner,pull",
0);
pull = min(pull, 2);
for (i = 0; ; i++) {
pin_name = fdt_stringlist_get(fdt, offset,
"pins", i, NULL);
if (!pin_name) {
pin_name = fdt_stringlist_get(fdt, offset,
"allwinner,pins",
i, NULL);
if (!pin_name)
break;
}
pin = name_to_gpio(pin_name);
if (pin < 0)
break;
sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SPI0);
sunxi_gpio_set_drv(pin, drive);
sunxi_gpio_set_pull(pin, pull);
}
}
return 0;
}
