diff options
Diffstat (limited to 'board/ti/ti814x')
| -rw-r--r-- | board/ti/ti814x/Makefile | 46 | ||||
| -rw-r--r-- | board/ti/ti814x/evm.c | 249 | ||||
| -rw-r--r-- | board/ti/ti814x/evm.h | 8 | ||||
| -rw-r--r-- | board/ti/ti814x/mux.c | 86 |
4 files changed, 389 insertions, 0 deletions
diff --git a/board/ti/ti814x/Makefile b/board/ti/ti814x/Makefile new file mode 100644 index 0000000..09d2422 --- /dev/null +++ b/board/ti/ti814x/Makefile @@ -0,0 +1,46 @@ +# +# Makefile +# +# Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed "as is" WITHOUT ANY WARRANTY of any +# kind, whether express or implied; without even the implied warranty +# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +ifdef CONFIG_SPL_BUILD +COBJS := mux.o +endif + +COBJS += evm.o +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c new file mode 100644 index 0000000..6ad3dd8 --- /dev/null +++ b/board/ti/ti814x/evm.c @@ -0,0 +1,249 @@ +/* + * evm.c + * + * Board functions for TI814x EVM + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <cpsw.h> +#include <errno.h> +#include <spl.h> +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> +#include <asm/arch/omap.h> +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include "evm.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_SPL_BUILD +static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; +#endif + +static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + +/* UART Defines */ +#ifdef CONFIG_SPL_BUILD +static void uart_enable(void) +{ + /* UART softreset */ + uart_soft_reset(); +} + +static void wdt_disable(void) +{ + writel(0xAAAA, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; + writel(0x5555, &wdtimer->wdtwspr); + while (readl(&wdtimer->wdtwwps) != 0x0) + ; +} + +static const struct cmd_control evm_ddr2_cctrl_data = { + .cmd0csratio = 0x80, + .cmd0dldiff = 0x04, + .cmd0iclkout = 0x00, + + .cmd1csratio = 0x80, + .cmd1dldiff = 0x04, + .cmd1iclkout = 0x00, + + .cmd2csratio = 0x80, + .cmd2dldiff = 0x04, + .cmd2iclkout = 0x00, +}; + +static const struct emif_regs evm_ddr2_emif0_regs = { + .sdram_config = 0x40801ab2, + .ref_ctrl = 0x10000c30, + .sdram_tim1 = 0x0aaaf552, + .sdram_tim2 = 0x043631d2, + .sdram_tim3 = 0x00000327, + .emif_ddr_phy_ctlr_1 = 0x00000007 +}; + +static const struct emif_regs evm_ddr2_emif1_regs = { + .sdram_config = 0x40801ab2, + .ref_ctrl = 0x10000c30, + .sdram_tim1 = 0x0aaaf552, + .sdram_tim2 = 0x043631d2, + .sdram_tim3 = 0x00000327, + .emif_ddr_phy_ctlr_1 = 0x00000007 +}; + +const struct dmm_lisa_map_regs evm_lisa_map_regs = { + .dmm_lisa_map_0 = 0x00000000, + .dmm_lisa_map_1 = 0x00000000, + .dmm_lisa_map_2 = 0x806c0300, + .dmm_lisa_map_3 = 0x806c0300, +}; + +static const struct ddr_data evm_ddr2_data = { + .datardsratio0 = ((0x35<<10) | (0x35<<0)), + .datawdsratio0 = ((0x20<<10) | (0x20<<0)), + .datawiratio0 = ((0<<10) | (0<<0)), + .datagiratio0 = ((0<<10) | (0<<0)), + .datafwsratio0 = ((0x90<<10) | (0x90<<0)), + .datawrsratio0 = ((0x50<<10) | (0x50<<0)), + .datauserank0delay = 1, + .datadldiff0 = 0x4, +}; +#endif + +/* + * early system init of muxing and clocks. + */ +void s_init(void) +{ +#ifdef CONFIG_SPL_BUILD + /* + * Save the boot parameters passed from romcode. + * We cannot delay the saving further than this, + * to prevent overwrites. + */ +#ifdef CONFIG_SPL_BUILD + save_omap_boot_params(); +#endif + + /* WDT1 is already running when the bootloader gets control + * Disable it to avoid "random" resets + */ + wdt_disable(); + + /* Enable timer */ + timer_init(); + + /* Setup the PLLs and the clocks for the peripherals */ + pll_init(); + + /* Enable RTC32K clock */ + rtc32k_enable(); + + /* Set UART pins */ + enable_uart0_pin_mux(); + + /* Set MMC pins */ + enable_mmc1_pin_mux(); + + /* Set Ethernet pins */ + enable_enet_pin_mux(); + + /* Enable UART */ + uart_enable(); + + gd = &gdata; + + preloader_console_init(); + + config_dmm(&evm_lisa_map_regs); + + config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, + &evm_ddr2_emif0_regs, 0); + config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data, + &evm_ddr2_emif1_regs, 1); +#endif +} + +/* + * Basic board specific setup. Pinmux has been handled already. + */ +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100; + return 0; +} + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + omap_mmc_init(1, 0, 0, -1, -1); + + return 0; +} +#endif + +#ifdef CONFIG_DRIVER_TI_CPSW +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x50, + .sliver_reg_ofs = 0x700, + .phy_id = 1, + }, + { + .slave_reg_ofs = 0x90, + .sliver_reg_ofs = 0x740, + .phy_id = 0, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x100, + .slaves = 1, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0x600, + .ale_entries = 1024, + .host_port_reg_ofs = 0x28, + .hw_stats_reg_ofs = 0x400, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_1, +}; +#endif + +int board_eth_init(bd_t *bis) +{ + uint8_t mac_addr[6]; + uint32_t mac_hi, mac_lo; + + if (!eth_getenv_enetaddr("ethaddr", mac_addr)) { + printf("<ethaddr> not set. Reading from E-fuse\n"); + /* try reading mac address from efuse */ + mac_lo = readl(&cdev->macid0l); + mac_hi = readl(&cdev->macid0h); + mac_addr[0] = mac_hi & 0xFF; + mac_addr[1] = (mac_hi & 0xFF00) >> 8; + mac_addr[2] = (mac_hi & 0xFF0000) >> 16; + mac_addr[3] = (mac_hi & 0xFF000000) >> 24; + mac_addr[4] = mac_lo & 0xFF; + mac_addr[5] = (mac_lo & 0xFF00) >> 8; + + if (is_valid_ether_addr(mac_addr)) + eth_setenv_enetaddr("ethaddr", mac_addr); + else + printf("Unable to read MAC address. Set <ethaddr>\n"); + } + + return cpsw_register(&cpsw_data); +} diff --git a/board/ti/ti814x/evm.h b/board/ti/ti814x/evm.h new file mode 100644 index 0000000..6aebec6 --- /dev/null +++ b/board/ti/ti814x/evm.h @@ -0,0 +1,8 @@ +#ifndef _EVM_H +#define _EVM_H + +void enable_uart0_pin_mux(void); +void enable_mmc1_pin_mux(void); +void enable_enet_pin_mux(void); + +#endif /* _EVM_H */ diff --git a/board/ti/ti814x/mux.c b/board/ti/ti814x/mux.c new file mode 100644 index 0000000..fd9f364 --- /dev/null +++ b/board/ti/ti814x/mux.c @@ -0,0 +1,86 @@ +/* + * mux.c + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> +#include <asm/arch/mux.h> +#include <asm/io.h> +#include <i2c.h> +#include "evm.h" + +static struct module_pin_mux uart0_pin_mux[] = { + {OFFSET(pincntl70), PULLUP_EN | MODE(0x01)}, /* UART0_RXD */ + {OFFSET(pincntl71), PULLUP_EN | MODE(0x01)}, /* UART0_TXD */ + {-1}, +}; + +static struct module_pin_mux mmc1_pin_mux[] = { + {OFFSET(pincntl1), PULLUP_EN | MODE(0x01)}, /* SD1_CLK */ + {OFFSET(pincntl2), PULLUP_EN | MODE(0x01)}, /* SD1_CMD */ + {OFFSET(pincntl3), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[0] */ + {OFFSET(pincntl4), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[1] */ + {OFFSET(pincntl5), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[2] */ + {OFFSET(pincntl6), PULLUP_EN | MODE(0x01)}, /* SD1_DAT[3] */ + {OFFSET(pincntl74), PULLUP_EN | MODE(0x40)}, /* SD1_POW */ + {OFFSET(pincntl75), MODE(0x40)}, /* SD1_SDWP */ + {OFFSET(pincntl80), PULLUP_EN | MODE(0x02)}, /* SD1_SDCD */ + {-1}, +}; + +static struct module_pin_mux enet_pin_mux[] = { + {OFFSET(pincntl232), MODE(0x01)}, /* EMAC_RMREFCLK */ + {OFFSET(pincntl233), PULLUP_EN | MODE(0x01)}, /* MDCLK */ + {OFFSET(pincntl234), PULLUP_EN | MODE(0x01)}, /* MDIO */ + {OFFSET(pincntl235), MODE(0x01)}, /* EMAC[0]_MTCLK */ + {OFFSET(pincntl236), MODE(0x01)}, /* EMAC[0]_MCOL */ + {OFFSET(pincntl237), MODE(0x01)}, /* EMAC[0]_MCRS */ + {OFFSET(pincntl238), MODE(0x01)}, /* EMAC[0]_MRXER */ + {OFFSET(pincntl239), MODE(0x01)}, /* EMAC[0]_MRCLK */ + {OFFSET(pincntl240), MODE(0x01)}, /* EMAC[0]_MRXD[0] */ + {OFFSET(pincntl241), MODE(0x01)}, /* EMAC[0]_MRXD[1] */ + {OFFSET(pincntl242), MODE(0x01)}, /* EMAC[0]_MRXD[2] */ + {OFFSET(pincntl243), MODE(0x01)}, /* EMAC[0]_MRXD[3] */ + {OFFSET(pincntl244), MODE(0x01)}, /* EMAC[0]_MRXD[4] */ + {OFFSET(pincntl245), MODE(0x01)}, /* EMAC[0]_MRXD[5] */ + {OFFSET(pincntl246), MODE(0x01)}, /* EMAC[0]_MRXD[6] */ + {OFFSET(pincntl247), MODE(0x01)}, /* EMAC[0]_MRXD[7] */ + {OFFSET(pincntl248), MODE(0x01)}, /* EMAC[0]_MRXDV */ + {OFFSET(pincntl249), MODE(0x01)}, /* EMAC[0]_GMTCLK */ + {OFFSET(pincntl250), MODE(0x01)}, /* EMAC[0]_MTXD[0] */ + {OFFSET(pincntl251), MODE(0x01)}, /* EMAC[0]_MTXD[1] */ + {OFFSET(pincntl252), MODE(0x01)}, /* EMAC[0]_MTXD[2] */ + {OFFSET(pincntl253), MODE(0x01)}, /* EMAC[0]_MTXD[3] */ + {OFFSET(pincntl254), MODE(0x01)}, /* EMAC[0]_MTXD[4] */ + {OFFSET(pincntl255), MODE(0x01)}, /* EMAC[0]_MTXD[5] */ + {OFFSET(pincntl256), MODE(0x01)}, /* EMAC[0]_MTXD[6] */ + {OFFSET(pincntl257), MODE(0x01)}, /* EMAC[0]_MTXD[7] */ + {OFFSET(pincntl258), MODE(0x01)}, /* EMAC[0]_MTXEN */ +}; + +void enable_uart0_pin_mux(void) +{ + configure_module_pin_mux(uart0_pin_mux); +} + +void enable_mmc1_pin_mux(void) +{ + configure_module_pin_mux(mmc1_pin_mux); +} + +void enable_enet_pin_mux(void) +{ + configure_module_pin_mux(enet_pin_mux); +} |
