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author | Lokesh Vutla <lokeshvutla@ti.com> | 2015-06-04 16:42:40 +0530 |
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committer | Tom Rini <trini@konsulko.com> | 2015-06-12 13:02:06 -0400 |
commit | 2cb3cccb8bfe93b4d862c82c41e0c9e7468e9c9b (patch) | |
tree | ee186966accca20213a90dc778f035eca0777e72 /board/ti/dra7xx | |
parent | 27d170af17bf17ccc3529bc460da0632a574b819 (diff) | |
download | u-boot-imx-2cb3cccb8bfe93b4d862c82c41e0c9e7468e9c9b.zip u-boot-imx-2cb3cccb8bfe93b4d862c82c41e0c9e7468e9c9b.tar.gz u-boot-imx-2cb3cccb8bfe93b4d862c82c41e0c9e7468e9c9b.tar.bz2 |
ARM: DRA7: CPSW: Remove IO delay hack
Now all manual mode configurations are done as part of
IO delay recalibration sequence, remove the hack done for
CPSW.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'board/ti/dra7xx')
-rw-r--r-- | board/ti/dra7xx/evm.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index 9941afa..94a1a8c 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -41,43 +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 * @@ -263,19 +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) @@ -323,22 +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); |