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https://github.com/AsahiLinux/u-boot
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3c41728d80
Current codes assume the OPTEE address is at the end of first DRAM bank. Adjust the process to allow OPTEE in the middle of first bank. When OPTEE memory is removed from first bank, it may split the first bank to two banks, adjust the MMU table for the split case, Since the default CONFIG_NR_DRAM_BANKS is 4, it is enough, just enlarge i.MX8MP evk to default to avoid issue. Signed-off-by: Ye Li <ye.li@nxp.com> Signed-off-by: Silvano di Ninno <silvano.dininno@nxp.com> Tested-by: Silvano di Ninno <silvano.dininno@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2020 Toradex
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/io.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <micrel.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if IS_ENABLED(CONFIG_FEC_MXC)
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static int setup_fec(void)
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{
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struct iomuxc_gpr_base_regs *gpr =
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(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
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/* Use 125M anatop REF_CLK1 for ENET1, not from external */
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clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);
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return 0;
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}
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int board_phy_config(struct phy_device *phydev)
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{
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int tmp;
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switch (ksz9xx1_phy_get_id(phydev) & MII_KSZ9x31_SILICON_REV_MASK) {
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case PHY_ID_KSZ9031:
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/*
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* The PHY adds 1.2ns for the RXC and 0ns for TXC clock by
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* default. The MAC and the layout don't add a skew between
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* clock and data.
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* Add 0.3ns for the RXC path and 0.96 + 0.42 ns (1.38 ns) for
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* the TXC path to get the required clock skews.
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*/
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/* control data pad skew - devaddr = 0x02, register = 0x04 */
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ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
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MII_KSZ9031_MOD_DATA_NO_POST_INC,
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0x0070);
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/* rx data pad skew - devaddr = 0x02, register = 0x05 */
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ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
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MII_KSZ9031_MOD_DATA_NO_POST_INC,
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0x7777);
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/* tx data pad skew - devaddr = 0x02, register = 0x06 */
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ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
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MII_KSZ9031_MOD_DATA_NO_POST_INC,
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0x0000);
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/* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
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ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
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MII_KSZ9031_MOD_DATA_NO_POST_INC,
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0x03f4);
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break;
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case PHY_ID_KSZ9131:
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default:
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/* read rxc dll control - devaddr = 0x2, register = 0x4c */
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tmp = ksz9031_phy_extended_read(phydev, 0x02,
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MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
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MII_KSZ9031_MOD_DATA_NO_POST_INC);
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/* disable rxdll bypass (enable 2ns skew delay on RXC) */
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tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
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/* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4c */
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tmp = ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
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MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
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/* read txc dll control - devaddr = 0x02, register = 0x4d */
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tmp = ksz9031_phy_extended_read(phydev, 0x02,
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MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
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MII_KSZ9031_MOD_DATA_NO_POST_INC);
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/* disable txdll bypass (enable 2ns skew delay on TXC) */
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tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
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/* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4d */
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tmp = ksz9031_phy_extended_write(phydev, 0x02,
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MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
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MII_KSZ9031_MOD_DATA_NO_POST_INC, tmp);
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break;
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}
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#endif
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int board_init(void)
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{
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if (IS_ENABLED(CONFIG_FEC_MXC))
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setup_fec();
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return 0;
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}
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int board_mmc_get_env_dev(int devno)
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{
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return devno;
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}
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int board_late_init(void)
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{
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return 0;
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}
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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return 0;
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}
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#endif
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