*/
#include <common.h>
+#include <init.h>
#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
#include <asm/io.h>
+#include <i2c.h>
#include <miiphy.h>
#include <netdev.h>
+#include <micrel.h>
+
+#include "../common/tdx-cfg-block.h"
DECLARE_GLOBAL_DATA_PTR;
-int dram_init(void)
-{
- gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+#define I2C_PMIC 0
- return 0;
-}
+enum pcb_rev_t {
+ PCB_VERSION_1_0,
+ PCB_VERSION_1_1
+};
#if IS_ENABLED(CONFIG_FEC_MXC)
static int setup_fec(void)
int board_phy_config(struct phy_device *phydev)
{
- /* enable rgmii rxc skew and phy mode select to RGMII copper */
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+ int tmp;
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
- phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+ switch (ksz9xx1_phy_get_id(phydev) & MII_KSZ9x31_SILICON_REV_MASK) {
+ case PHY_ID_KSZ9031:
+ /*
+ * The PHY adds 1.2ns for the RXC and 0ns for TXC clock by
+ * default. The MAC and the layout don't add a skew between
+ * clock and data.
+ * Add 0.3ns for the RXC path and 0.96 + 0.42 ns (1.38 ns) for
+ * the TXC path to get the required clock skews.
+ */
+ /* control data pad skew - devaddr = 0x02, register = 0x04 */
+ ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC,
+ 0x0070);
+ /* rx data pad skew - devaddr = 0x02, register = 0x05 */
+ ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC,
+ 0x7777);
+ /* tx data pad skew - devaddr = 0x02, register = 0x06 */
+ ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC,
+ 0x0000);
+ /* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
+ ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC,
+ 0x03f4);
+ break;
+ case PHY_ID_KSZ9131:
+ default:
+ /* read rxc dll control - devaddr = 0x2, register = 0x4c */
+ tmp = ksz9031_phy_extended_read(phydev, 0x02,
+ MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC);
+ /* disable rxdll bypass (enable 2ns skew delay on RXC) */
+ tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+ /* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4c */
+ tmp = ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
+ /* read txc dll control - devaddr = 0x02, register = 0x4d */
+ tmp = ksz9031_phy_extended_read(phydev, 0x02,
+ MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC);
+ /* disable txdll bypass (enable 2ns skew delay on TXC) */
+ tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
+ /* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4d */
+ tmp = ksz9031_phy_extended_write(phydev, 0x02,
+ MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
+ break;
+ }
if (phydev->drv->config)
phydev->drv->config(phydev);
return devno;
}
+static enum pcb_rev_t get_pcb_revision(void)
+{
+ struct udevice *bus;
+ struct udevice *i2c_dev = NULL;
+ int ret;
+ u8 is_bd71837 = 0;
+
+ ret = uclass_get_device_by_seq(UCLASS_I2C, I2C_PMIC, &bus);
+ if (!ret)
+ ret = dm_i2c_probe(bus, 0x4b, 0, &i2c_dev);
+ if (!ret)
+ ret = dm_i2c_read(i2c_dev, 0x0, &is_bd71837, 1);
+
+ /* BD71837_REV, High Nibble is major version, fix 1010 */
+ is_bd71837 = !ret && ((is_bd71837 & 0xf0) == 0xa0);
+ return is_bd71837 ? PCB_VERSION_1_0 : PCB_VERSION_1_1;
+}
+
+static void select_dt_from_module_version(void)
+{
+ char variant[32];
+ char *env_variant = env_get("variant");
+ int is_wifi = 0;
+
+ if (IS_ENABLED(CONFIG_TDX_CFG_BLOCK)) {
+ /*
+ * If we have a valid config block and it says we are a
+ * module with Wi-Fi/Bluetooth make sure we use the -wifi
+ * device tree.
+ */
+ is_wifi = (tdx_hw_tag.prodid == VERDIN_IMX8MMQ_WIFI_BT_IT) ||
+ (tdx_hw_tag.prodid == VERDIN_IMX8MMDL_WIFI_BT_IT);
+ }
+
+ switch (get_pcb_revision()) {
+ case PCB_VERSION_1_0:
+ printf("Detected a V1.0 module\n");
+ if (is_wifi)
+ strncpy(&variant[0], "wifi", sizeof(variant));
+ else
+ strncpy(&variant[0], "nonwifi", sizeof(variant));
+ break;
+ default:
+ if (is_wifi)
+ strncpy(&variant[0], "wifi-v1.1", sizeof(variant));
+ else
+ strncpy(&variant[0], "nonwifi-v1.1", sizeof(variant));
+ break;
+ }
+
+ if (strcmp(variant, env_variant)) {
+ printf("Setting variant to %s\n", variant);
+ env_set("variant", variant);
+
+ if (IS_ENABLED(CONFIG_ENV_IS_NOWHERE))
+ env_save();
+ }
+}
+
int board_late_init(void)
{
+ select_dt_from_module_version();
+
+ return 0;
+}
+
+int board_phys_sdram_size(phys_size_t *size)
+{
+ if (!size)
+ return -EINVAL;
+
+ *size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
return 0;
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-int ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, struct bd_info *bd)
{
return 0;
}
projects / platform / kernel / u-boot.git / blobdiff