diff options
Diffstat (limited to 'roms/u-boot/board/ti/dra7xx/evm.c')
| -rw-r--r-- | roms/u-boot/board/ti/dra7xx/evm.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/roms/u-boot/board/ti/dra7xx/evm.c b/roms/u-boot/board/ti/dra7xx/evm.c new file mode 100644 index 00000000..073d1512 --- /dev/null +++ b/roms/u-boot/board/ti/dra7xx/evm.c @@ -0,0 +1,263 @@ +/* + * (C) Copyright 2013 + * Texas Instruments Incorporated, <www.ti.com> + * + * Lokesh Vutla <lokeshvutla@ti.com> + * + * Based on previous work by: + * Aneesh V <aneesh@ti.com> + * Steve Sakoman <steve@sakoman.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <palmas.h> +#include <sata.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sata.h> +#include <environment.h> + +#include "mux_data.h" + +#ifdef CONFIG_DRIVER_TI_CPSW +#include <cpsw.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +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 + * + * @return 0 + */ +int board_init(void) +{ + gpmc_init(); + gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ + + return 0; +} + +int board_late_init(void) +{ + init_sata(0); + return 0; +} + +/** + * @brief misc_init_r - Configure EVM board specific configurations + * such as power configurations, ethernet initialization as phase2 of + * boot sequence + * + * @return 0 + */ +int misc_init_r(void) +{ + return 0; +} + +static void do_set_mux32(u32 base, + struct pad_conf_entry const *array, int size) +{ + int i; + struct pad_conf_entry *pad = (struct pad_conf_entry *)array; + + for (i = 0; i < size; i++, pad++) + writel(pad->val, base + pad->offset); +} + +void set_muxconf_regs_essential(void) +{ + do_set_mux32((*ctrl)->control_padconf_core_base, + core_padconf_array_essential, + sizeof(core_padconf_array_essential) / + sizeof(struct pad_conf_entry)); +} + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + omap_mmc_init(0, 0, 0, -1, -1); + omap_mmc_init(1, 0, 0, -1, -1); + return 0; +} +#endif + +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT) +int spl_start_uboot(void) +{ + /* break into full u-boot on 'c' */ + if (serial_tstc() && serial_getc() == 'c') + return 1; + +#ifdef CONFIG_SPL_ENV_SUPPORT + env_init(); + env_relocate_spec(); + if (getenv_yesno("boot_os") != 1) + return 1; +#endif + + return 0; +} +#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) + +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_addr = 2, + }, + { + .slave_reg_ofs = 0x308, + .sliver_reg_ofs = 0xdc0, + .phy_addr = 3, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x800, + .slaves = 1, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0xd00, + .ale_entries = 1024, + .host_port_reg_ofs = 0x108, + .hw_stats_reg_ofs = 0x900, + .bd_ram_ofs = 0x2000, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_2, +}; + +int board_eth_init(bd_t *bis) +{ + int ret; + 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); + mac_hi = readl((*ctrl)->control_core_mac_id_0_hi); + mac_addr[0] = (mac_hi & 0xFF0000) >> 16; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = mac_hi & 0xFF; + mac_addr[3] = (mac_lo & 0xFF0000) >> 16; + mac_addr[4] = (mac_lo & 0xFF00) >> 8; + mac_addr[5] = mac_lo & 0xFF; + + if (!getenv("ethaddr")) { + printf("<ethaddr> not set. Validating first E-fuse MAC\n"); + + if (is_valid_ether_addr(mac_addr)) + eth_setenv_enetaddr("ethaddr", mac_addr); + } + + mac_lo = readl((*ctrl)->control_core_mac_id_1_lo); + mac_hi = readl((*ctrl)->control_core_mac_id_1_hi); + mac_addr[0] = (mac_hi & 0xFF0000) >> 16; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = mac_hi & 0xFF; + mac_addr[3] = (mac_lo & 0xFF0000) >> 16; + mac_addr[4] = (mac_lo & 0xFF00) >> 8; + mac_addr[5] = mac_lo & 0xFF; + + if (!getenv("eth1addr")) { + if (is_valid_ether_addr(mac_addr)) + eth_setenv_enetaddr("eth1addr", mac_addr); + } + + ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33); + ctrl_val |= 0x22; + writel(ctrl_val, (*ctrl)->control_core_control_io1); + + ret = cpsw_register(&cpsw_data); + if (ret < 0) + printf("Error %d registering CPSW switch\n", ret); + + return ret; +} +#endif |