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/emif_defs.h>
29 #include <asm/arch/emac_defs.h>
30 #include <asm/arch/pinmux_defs.h>
33 #include <asm/arch/nand_defs.h>
34 #include <asm/arch/davinci_misc.h>
36 #ifdef CONFIG_DAVINCI_MMC
38 #include <asm/arch/sdmmc_defs.h>
41 DECLARE_GLOBAL_DATA_PTR;
43 static const struct pinmux_resource pinmuxes[] = {
44 #ifdef CONFIG_SPI_FLASH
45 PINMUX_ITEM(spi0_pins_base),
46 PINMUX_ITEM(spi0_pins_scs0),
47 PINMUX_ITEM(spi0_pins_ena),
49 PINMUX_ITEM(uart2_pins_txrx),
50 PINMUX_ITEM(i2c0_pins),
51 #ifdef CONFIG_USB_DA8XX
52 PINMUX_ITEM(usb_pins),
54 #ifdef CONFIG_USE_NAND
55 PINMUX_ITEM(emifa_pins),
56 PINMUX_ITEM(emifa_pins_cs0),
57 PINMUX_ITEM(emifa_pins_cs2),
58 PINMUX_ITEM(emifa_pins_cs3),
60 #if defined(CONFIG_DRIVER_TI_EMAC)
61 PINMUX_ITEM(emac_pins_rmii),
62 PINMUX_ITEM(emac_pins_mdio),
63 PINMUX_ITEM(emac_pins_rmii_clk_source),
65 #ifdef CONFIG_DAVINCI_MMC
66 PINMUX_ITEM(mmc0_pins_8bit)
70 static const struct lpsc_resource lpsc[] = {
71 { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */
72 { DAVINCI_LPSC_SPI0 }, /* Serial Flash */
73 { DAVINCI_LPSC_EMAC }, /* image download */
74 { DAVINCI_LPSC_UART2 }, /* console */
75 { DAVINCI_LPSC_GPIO },
76 #ifdef CONFIG_DAVINCI_MMC
77 { DAVINCI_LPSC_MMC_SD },
82 #ifdef CONFIG_DAVINCI_MMC
83 static struct davinci_mmc mmc_sd0 = {
84 .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
85 .host_caps = MMC_MODE_8BIT,
86 .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
87 .version = MMC_CTLR_VERSION_2,
90 int board_mmc_init(bd_t *bis)
92 mmc_sd0.input_clk = clk_get(DAVINCI_MMCSD_CLKID);
94 printf("%x\n", mmc_sd0.input_clk);
96 /* Add slot-0 to mmc subsystem */
97 return davinci_mmc_init(bis, &mmc_sd0);
103 #ifndef CONFIG_USE_IRQ
107 #ifdef CONFIG_NAND_DAVINCI
108 /* EMIFA 100MHz clock select */
109 writel(readl(&davinci_syscfg_regs->cfgchip3) & ~2,
110 &davinci_syscfg_regs->cfgchip3);
112 writel((DAVINCI_ABCR_WSETUP(0) |
113 DAVINCI_ABCR_WSTROBE(2) |
114 DAVINCI_ABCR_WHOLD(0) |
115 DAVINCI_ABCR_RSETUP(0) |
116 DAVINCI_ABCR_RSTROBE(2) |
117 DAVINCI_ABCR_RHOLD(0) |
119 DAVINCI_ABCR_ASIZE_8BIT),
120 &davinci_emif_regs->ab2cr);
123 /* arch number of the board */
124 gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA830_EVM;
126 /* address of boot parameters */
127 gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
130 * Power on required peripherals
131 * ARM does not have access by default to PSC0 and PSC1
132 * assuming here that the DSP bootloader has set the IOPU
133 * such that PSC access is available to ARM
135 if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
138 /* setup the SUSPSRC for ARM to control emulation suspend */
139 writel(readl(&davinci_syscfg_regs->suspsrc) &
140 ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
141 DAVINCI_SYSCFG_SUSPSRC_SPI0 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
142 DAVINCI_SYSCFG_SUSPSRC_UART2),
143 &davinci_syscfg_regs->suspsrc);
145 /* configure pinmux settings */
146 if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
149 /* enable the console UART */
150 writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
151 DAVINCI_UART_PWREMU_MGMT_UTRST),
152 &davinci_uart2_ctrl_regs->pwremu_mgmt);
158 #ifdef CONFIG_NAND_DAVINCI
159 int board_nand_init(struct nand_chip *nand)
161 davinci_nand_init(nand);
167 #if defined(CONFIG_DRIVER_TI_EMAC)
169 #define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */
172 * Initializes on-board ethernet controllers.
174 int board_eth_init(bd_t *bis)
176 u_int8_t mac_addr[6];
177 u_int8_t switch_start_cmd[2] = { 0x01, 0x23 };
178 struct eth_device *dev;
180 /* Read Ethernet MAC address from EEPROM */
181 if (dvevm_read_mac_address(mac_addr))
182 /* set address env if not already set */
183 davinci_sync_env_enetaddr(mac_addr);
185 /* read the address back from env */
186 if (!eth_getenv_enetaddr("ethaddr", mac_addr))
189 /* enable the Ethernet switch in the 3 port PHY */
190 if (i2c_write(PHY_SW_I2C_ADDR, 0, 0,
191 switch_start_cmd, sizeof(switch_start_cmd))) {
192 printf("Ethernet switch start failed!\n");
196 /* finally, initialise the driver */
197 if (!davinci_emac_initialize()) {
198 printf("Error: Ethernet init failed!\n");
204 /* provide the resulting addr to the driver */
205 memcpy(dev->enetaddr, mac_addr, 6);
206 dev->write_hwaddr(dev);
210 #endif /* CONFIG_DRIVER_TI_EMAC */