2 * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
4 * Base on code from TI. Original Notices follow:
6 * (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/
8 * Modified for DA8xx EVM.
10 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
12 * Parts are shamelessly stolen from various TI sources, original copyright
14 * -----------------------------------------------------------------
16 * Copyright (C) 2004 Texas Instruments.
18 * ----------------------------------------------------------------------------
19 * SPDX-License-Identifier: GPL-2.0+
20 * ----------------------------------------------------------------------------
27 #include <asm/arch/hardware.h>
28 #include <asm/arch/emac_defs.h>
29 #include <asm/arch/pinmux_defs.h>
32 #include <asm/ti-common/davinci_nand.h>
33 #include <asm/arch/davinci_misc.h>
35 #ifdef CONFIG_DAVINCI_MMC
37 #include <asm/arch/sdmmc_defs.h>
40 DECLARE_GLOBAL_DATA_PTR;
42 static const struct pinmux_resource pinmuxes[] = {
43 #ifdef CONFIG_SPI_FLASH
44 PINMUX_ITEM(spi0_pins_base),
45 PINMUX_ITEM(spi0_pins_scs0),
46 PINMUX_ITEM(spi0_pins_ena),
48 PINMUX_ITEM(uart2_pins_txrx),
49 PINMUX_ITEM(i2c0_pins),
50 #ifdef CONFIG_USB_DA8XX
51 PINMUX_ITEM(usb_pins),
53 #ifdef CONFIG_USE_NAND
54 PINMUX_ITEM(emifa_pins),
55 PINMUX_ITEM(emifa_pins_cs0),
56 PINMUX_ITEM(emifa_pins_cs2),
57 PINMUX_ITEM(emifa_pins_cs3),
59 #if defined(CONFIG_DRIVER_TI_EMAC)
60 PINMUX_ITEM(emac_pins_rmii),
61 PINMUX_ITEM(emac_pins_mdio),
62 PINMUX_ITEM(emac_pins_rmii_clk_source),
64 #ifdef CONFIG_DAVINCI_MMC
65 PINMUX_ITEM(mmc0_pins_8bit)
69 static const struct lpsc_resource lpsc[] = {
70 { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */
71 { DAVINCI_LPSC_SPI0 }, /* Serial Flash */
72 { DAVINCI_LPSC_EMAC }, /* image download */
73 { DAVINCI_LPSC_UART2 }, /* console */
74 { DAVINCI_LPSC_GPIO },
75 #ifdef CONFIG_DAVINCI_MMC
76 { DAVINCI_LPSC_MMC_SD },
81 #ifdef CONFIG_DAVINCI_MMC
82 static struct davinci_mmc mmc_sd0 = {
83 .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
84 .host_caps = MMC_MODE_8BIT,
85 .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
86 .version = MMC_CTLR_VERSION_2,
89 int board_mmc_init(bd_t *bis)
91 mmc_sd0.input_clk = clk_get(DAVINCI_MMCSD_CLKID);
93 printf("%x\n", mmc_sd0.input_clk);
95 /* Add slot-0 to mmc subsystem */
96 return davinci_mmc_init(bis, &mmc_sd0);
102 #ifndef CONFIG_USE_IRQ
106 #ifdef CONFIG_NAND_DAVINCI
107 /* EMIFA 100MHz clock select */
108 writel(readl(&davinci_syscfg_regs->cfgchip3) & ~2,
109 &davinci_syscfg_regs->cfgchip3);
111 writel((DAVINCI_ABCR_WSETUP(0) |
112 DAVINCI_ABCR_WSTROBE(2) |
113 DAVINCI_ABCR_WHOLD(0) |
114 DAVINCI_ABCR_RSETUP(0) |
115 DAVINCI_ABCR_RSTROBE(2) |
116 DAVINCI_ABCR_RHOLD(0) |
118 DAVINCI_ABCR_ASIZE_8BIT),
119 &davinci_emif_regs->ab2cr);
122 /* arch number of the board */
123 gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA830_EVM;
125 /* address of boot parameters */
126 gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
129 * Power on required peripherals
130 * ARM does not have access by default to PSC0 and PSC1
131 * assuming here that the DSP bootloader has set the IOPU
132 * such that PSC access is available to ARM
134 if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
137 /* setup the SUSPSRC for ARM to control emulation suspend */
138 writel(readl(&davinci_syscfg_regs->suspsrc) &
139 ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
140 DAVINCI_SYSCFG_SUSPSRC_SPI0 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
141 DAVINCI_SYSCFG_SUSPSRC_UART2),
142 &davinci_syscfg_regs->suspsrc);
144 /* configure pinmux settings */
145 if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
148 /* enable the console UART */
149 writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
150 DAVINCI_UART_PWREMU_MGMT_UTRST),
151 &davinci_uart2_ctrl_regs->pwremu_mgmt);
157 #ifdef CONFIG_NAND_DAVINCI
158 int board_nand_init(struct nand_chip *nand)
160 davinci_nand_init(nand);
166 #if defined(CONFIG_DRIVER_TI_EMAC)
168 #define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */
171 * Initializes on-board ethernet controllers.
173 int board_eth_init(bd_t *bis)
175 u_int8_t mac_addr[6];
176 u_int8_t switch_start_cmd[2] = { 0x01, 0x23 };
177 struct eth_device *dev;
179 /* Read Ethernet MAC address from EEPROM */
180 if (dvevm_read_mac_address(mac_addr))
181 /* set address env if not already set */
182 davinci_sync_env_enetaddr(mac_addr);
184 /* read the address back from env */
185 if (!eth_getenv_enetaddr("ethaddr", mac_addr))
188 /* enable the Ethernet switch in the 3 port PHY */
189 if (i2c_write(PHY_SW_I2C_ADDR, 0, 0,
190 switch_start_cmd, sizeof(switch_start_cmd))) {
191 printf("Ethernet switch start failed!\n");
195 /* finally, initialise the driver */
196 if (!davinci_emac_initialize()) {
197 printf("Error: Ethernet init failed!\n");
203 /* provide the resulting addr to the driver */
204 memcpy(dev->enetaddr, mac_addr, 6);
205 dev->write_hwaddr(dev);
209 #endif /* CONFIG_DRIVER_TI_EMAC */