diff options
Diffstat (limited to 'board/ti/dra7xx/evm.c')
| -rw-r--r-- | board/ti/dra7xx/evm.c | 96 |
1 files changed, 18 insertions, 78 deletions
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index d4648558ec..94a1a8c256 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -17,6 +17,7 @@ #include <usb.h> #include <linux/usb/gadget.h> #include <asm/arch/gpio.h> +#include <asm/arch/dra7xx_iodelay.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sata.h> @@ -40,43 +41,6 @@ const struct omap_sysinfo sysinfo = { "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 * @@ -107,23 +71,28 @@ int board_late_init(void) return 0; } -static void do_set_mux32(u32 base, - struct pad_conf_entry const *array, int size) +void set_muxconf_regs_essential(void) { - int i; - struct pad_conf_entry *pad = (struct pad_conf_entry *)array; - - for (i = 0; i < size; i++, pad++) - writel(pad->val, base + pad->offset); + do_set_mux32((*ctrl)->control_padconf_core_base, + early_padconf, ARRAY_SIZE(early_padconf)); } -void set_muxconf_regs_essential(void) +#ifdef CONFIG_IODELAY_RECALIBRATION +void recalibrate_iodelay(void) { - do_set_mux32((*ctrl)->control_padconf_core_base, - core_padconf_array_essential, - sizeof(core_padconf_array_essential) / - sizeof(struct pad_conf_entry)); + 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)); + } } +#endif #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) int board_mmc_init(bd_t *bis) @@ -257,19 +226,6 @@ int spl_start_uboot(void) #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) @@ -317,22 +273,6 @@ int board_eth_init(bd_t *bis) 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); |