1 /* 2 * (C) Copyright 2011 3 * eInfochips Ltd. <www.einfochips.com> 4 * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com> 5 * 6 * Based on Aspenite: 7 * (C) Copyright 2010 8 * Marvell Semiconductor <www.marvell.com> 9 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 10 * Contributor: Mahavir Jain <mjain@marvell.com> 11 * 12 * SPDX-License-Identifier: GPL-2.0+ 13 */ 14 15 #include <common.h> 16 #include <mvmfp.h> 17 #include <asm/arch/cpu.h> 18 #include <asm/arch/mfp.h> 19 #include <asm/arch/armada100.h> 20 #include <asm/gpio.h> 21 #include <miiphy.h> 22 23 #ifdef CONFIG_ARMADA100_FEC 24 #include <net.h> 25 #include <netdev.h> 26 #endif /* CONFIG_ARMADA100_FEC */ 27 28 DECLARE_GLOBAL_DATA_PTR; 29 30 int board_early_init_f(void) 31 { 32 u32 mfp_cfg[] = { 33 /* I2C */ 34 MFP105_CI2C_SDA, 35 MFP106_CI2C_SCL, 36 37 /* Enable Console on UART3 */ 38 MFPO8_UART3_TXD, 39 MFPO9_UART3_RXD, 40 41 /* Ethernet PHY Interface */ 42 MFP086_ETH_TXCLK, 43 MFP087_ETH_TXEN, 44 MFP088_ETH_TXDQ3, 45 MFP089_ETH_TXDQ2, 46 MFP090_ETH_TXDQ1, 47 MFP091_ETH_TXDQ0, 48 MFP092_ETH_CRS, 49 MFP093_ETH_COL, 50 MFP094_ETH_RXCLK, 51 MFP095_ETH_RXER, 52 MFP096_ETH_RXDQ3, 53 MFP097_ETH_RXDQ2, 54 MFP098_ETH_RXDQ1, 55 MFP099_ETH_RXDQ0, 56 MFP100_ETH_MDC, 57 MFP101_ETH_MDIO, 58 MFP103_ETH_RXDV, 59 60 /* SSP2 */ 61 MFP107_SSP2_RXD, 62 MFP108_SSP2_TXD, 63 MFP110_SSP2_CS, 64 MFP111_SSP2_CLK, 65 66 MFP_EOC /*End of configuration*/ 67 }; 68 /* configure MFP's */ 69 mfp_config(mfp_cfg); 70 return 0; 71 } 72 73 int board_init(void) 74 { 75 struct armd1apb2_registers *apb2_regs = 76 (struct armd1apb2_registers *)ARMD1_APBC2_BASE; 77 78 /* arch number of Board */ 79 gd->bd->bi_arch_number = MACH_TYPE_SHEEVAD; 80 /* adress of boot parameters */ 81 gd->bd->bi_boot_params = armd1_sdram_base(0) + 0x100; 82 /* Assert PHY_RST# */ 83 gpio_direction_output(CONFIG_SYS_GPIO_PHY_RST, GPIO_LOW); 84 udelay(10); 85 /* Deassert PHY_RST# */ 86 gpio_set_value(CONFIG_SYS_GPIO_PHY_RST, GPIO_HIGH); 87 88 /* Enable SSP2 clock */ 89 writel(SSP2_APBCLK | SSP2_FNCLK, &apb2_regs->ssp2_clkrst); 90 return 0; 91 } 92 93 #ifdef CONFIG_ARMADA100_FEC 94 int board_eth_init(bd_t *bis) 95 { 96 struct armd1apmu_registers *apmu_regs = 97 (struct armd1apmu_registers *)ARMD1_APMU_BASE; 98 99 /* Enable clock of ethernet controller */ 100 writel(FE_CLK_RST | FE_CLK_ENA, &apmu_regs->fecrc); 101 102 return armada100_fec_register(ARMD1_FEC_BASE); 103 } 104 105 #ifdef CONFIG_RESET_PHY_R 106 /* Configure and initialize PHY chip 88E3015 */ 107 void reset_phy(void) 108 { 109 u16 phy_adr; 110 const char *name = "armd-fec0"; 111 112 if (miiphy_set_current_dev(name)) 113 return; 114 115 /* command to read PHY dev address */ 116 if (miiphy_read(name, 0xff, 0xff, &phy_adr)) { 117 printf("Err..%s could not read PHY dev address\n", __func__); 118 return; 119 } 120 121 /* Set Ethernet LED in TX blink mode */ 122 miiphy_write(name, phy_adr, PHY_LED_MAN_REG, 0x00); 123 miiphy_write(name, phy_adr, PHY_LED_PAR_SEL_REG, PHY_LED_VAL); 124 125 /* reset the phy */ 126 miiphy_reset(name, phy_adr); 127 debug("88E3015 Initialized on %s\n", name); 128 } 129 #endif /* CONFIG_RESET_PHY_R */ 130 #endif /* CONFIG_ARMADA100_FEC */ 131