"Board: DRA7xx\n"
};
-/*
- * Adjust I/O delays on the Tx control and data lines of each MAC port. This
- * is a workaround in order to work properly with the DP83865 PHYs on the EVM.
- * In 3COM RGMII mode this PHY applies it's own internal clock delay, so we
- * essentially need to counteract the DRA7xx internal delay, and we do this
- * by delaying the control and data lines. If not using this PHY, you probably
- * don't need to do this stuff!
- */
-static void dra7xx_adj_io_delay(const struct io_delay *io_dly)
-{
- int i = 0;
- u32 reg_val;
- u32 delta;
- u32 coarse;
- u32 fine;
-
- writel(CFG_IO_DELAY_UNLOCK_KEY, CFG_IO_DELAY_LOCK);
-
- while(io_dly[i].addr) {
- writel(CFG_IO_DELAY_ACCESS_PATTERN & ~CFG_IO_DELAY_LOCK_MASK,
- io_dly[i].addr);
- delta = io_dly[i].dly;
- reg_val = readl(io_dly[i].addr) & 0x3ff;
- coarse = ((reg_val >> 5) & 0x1F) + ((delta >> 5) & 0x1F);
- coarse = (coarse > 0x1F) ? (0x1F) : (coarse);
- fine = (reg_val & 0x1F) + (delta & 0x1F);
- fine = (fine > 0x1F) ? (0x1F) : (fine);
- reg_val = CFG_IO_DELAY_ACCESS_PATTERN |
- CFG_IO_DELAY_LOCK_MASK |
- ((coarse << 5) | (fine));
- writel(reg_val, io_dly[i].addr);
- i++;
- }
-
- writel(CFG_IO_DELAY_LOCK_KEY, CFG_IO_DELAY_LOCK);
-}
-
/**
* @brief board_init
*
#ifdef CONFIG_IODELAY_RECALIBRATION
void recalibrate_iodelay(void)
{
- if (is_dra72x()) {
- __recalibrate_iodelay(core_padconf_array_essential,
- ARRAY_SIZE(core_padconf_array_essential),
- iodelay_cfg_array,
- ARRAY_SIZE(iodelay_cfg_array));
- } else {
- __recalibrate_iodelay(dra74x_core_padconf_array,
- ARRAY_SIZE(dra74x_core_padconf_array),
- dra742_iodelay_cfg_array,
- ARRAY_SIZE(dra742_iodelay_cfg_array));
+ struct pad_conf_entry const *pads;
+ struct iodelay_cfg_entry const *iodelay;
+ int npads, niodelays;
+
+ switch (omap_revision()) {
+ case DRA722_ES1_0:
+ pads = core_padconf_array_essential;
+ npads = ARRAY_SIZE(core_padconf_array_essential);
+ iodelay = iodelay_cfg_array;
+ niodelays = ARRAY_SIZE(iodelay_cfg_array);
+ break;
+ case DRA752_ES1_0:
+ case DRA752_ES1_1:
+ pads = dra74x_core_padconf_array;
+ npads = ARRAY_SIZE(dra74x_core_padconf_array);
+ iodelay = dra742_es1_1_iodelay_cfg_array;
+ niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
+ break;
+ default:
+ case DRA752_ES2_0:
+ pads = dra74x_core_padconf_array;
+ npads = ARRAY_SIZE(dra74x_core_padconf_array);
+ iodelay = dra742_es2_0_iodelay_cfg_array;
+ niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
+ break;
}
+ __recalibrate_iodelay(pads, npads, iodelay, niodelays);
}
#endif
#endif
#ifdef CONFIG_DRIVER_TI_CPSW
-
-/* Delay value to add to calibrated value */
-#define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8)
-#define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8)
-#define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2)
-#define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0)
-#define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0)
-#define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8)
-#define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8)
-#define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2)
-#define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0)
-#define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0)
-
extern u32 *const omap_si_rev;
static void cpsw_control(int enabled)
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
uint32_t ctrl_val;
- const struct io_delay io_dly[] = {
- {CFG_RGMII0_TXCTL, RGMII0_TXCTL_DLY_VAL},
- {CFG_RGMII0_TXD0, RGMII0_TXD0_DLY_VAL},
- {CFG_RGMII0_TXD1, RGMII0_TXD1_DLY_VAL},
- {CFG_RGMII0_TXD2, RGMII0_TXD2_DLY_VAL},
- {CFG_RGMII0_TXD3, RGMII0_TXD3_DLY_VAL},
- {CFG_VIN2A_D13, VIN2A_D13_DLY_VAL},
- {CFG_VIN2A_D17, VIN2A_D17_DLY_VAL},
- {CFG_VIN2A_D16, VIN2A_D16_DLY_VAL},
- {CFG_VIN2A_D15, VIN2A_D15_DLY_VAL},
- {CFG_VIN2A_D14, VIN2A_D14_DLY_VAL},
- {0}
- };
-
- /* Adjust IO delay for RGMII tx path */
- dra7xx_adj_io_delay(io_dly);
/* try reading mac address from efuse */
mac_lo = readl((*ctrl)->control_core_mac_id_0_lo);