diff options
author | Ilya Ledvich <ilya@compulab.co.il> | 2013-11-07 07:57:33 +0200 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2013-12-04 08:10:41 -0500 |
commit | 54e7445de9367cde53ff3daa391fddd87e699113 (patch) | |
tree | 8cb408767fa38e872a8f41bcf0ee2db196af6b41 /board/compulab/cm_t335 | |
parent | 4c54419737ffbfadd605263d97a1357bb03c04e8 (diff) |
cm_t335: add cm_t335 board support
Add cm_t335 board directory, config file. Enable build.
Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
[trini: Adapt Makefile]
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/compulab/cm_t335')
-rw-r--r-- | board/compulab/cm_t335/Makefile | 10 | ||||
-rw-r--r-- | board/compulab/cm_t335/cm_t335.c | 159 | ||||
-rw-r--r-- | board/compulab/cm_t335/mux.c | 111 | ||||
-rw-r--r-- | board/compulab/cm_t335/spl.c | 110 | ||||
-rw-r--r-- | board/compulab/cm_t335/u-boot.lds | 101 |
5 files changed, 491 insertions, 0 deletions
diff --git a/board/compulab/cm_t335/Makefile b/board/compulab/cm_t335/Makefile new file mode 100644 index 0000000000..0e6e96e039 --- /dev/null +++ b/board/compulab/cm_t335/Makefile @@ -0,0 +1,10 @@ +# +# Copyright (C) 2013 Compulab Ltd - http://compulab.co.il/ +# +# Author: Ilya Ledvich <ilya@compulab.co.il> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += $(BOARD).o +obj-$(CONFIG_SPL_BUILD) += mux.o spl.o diff --git a/board/compulab/cm_t335/cm_t335.c b/board/compulab/cm_t335/cm_t335.c new file mode 100644 index 0000000000..a318962893 --- /dev/null +++ b/board/compulab/cm_t335/cm_t335.c @@ -0,0 +1,159 @@ +/* + * Board functions for Compulab CM-T335 board + * + * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/ + * + * Author: Ilya Ledvich <ilya@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <miiphy.h> +#include <cpsw.h> + +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware_am33xx.h> +#include <asm/io.h> +#include <asm/gpio.h> + +#include "../common/eeprom.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Basic board specific setup. Pinmux has been handled already. + */ +int board_init(void) +{ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + gpmc_init(); + + return 0; +} + +#if defined (CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + return; +} + +static struct cpsw_slave_data cpsw_slave = { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_id = 0, + .phy_if = PHY_INTERFACE_MODE_RGMII, +}; + +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_slave, + .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, +}; + +/* PHY reset GPIO */ +#define GPIO_PHY_RST GPIO_PIN(3, 7) + +static void board_phy_init(void) +{ + gpio_request(GPIO_PHY_RST, "phy_rst"); + gpio_direction_output(GPIO_PHY_RST, 0); + mdelay(2); + gpio_set_value(GPIO_PHY_RST, 1); + mdelay(2); +} + +static void get_efuse_mac_addr(uchar *enetaddr) +{ + uint32_t mac_hi, mac_lo; + struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + + mac_lo = readl(&cdev->macid0l); + mac_hi = readl(&cdev->macid0h); + enetaddr[0] = mac_hi & 0xFF; + enetaddr[1] = (mac_hi & 0xFF00) >> 8; + enetaddr[2] = (mac_hi & 0xFF0000) >> 16; + enetaddr[3] = (mac_hi & 0xFF000000) >> 24; + enetaddr[4] = mac_lo & 0xFF; + enetaddr[5] = (mac_lo & 0xFF00) >> 8; +} + +/* + * Routine: handle_mac_address + * Description: prepare MAC address for on-board Ethernet. + */ +static int handle_mac_address(void) +{ + uchar enetaddr[6]; + int rv; + + rv = eth_getenv_enetaddr("ethaddr", enetaddr); + if (rv) + return 0; + + rv = cl_eeprom_read_mac_addr(enetaddr); + if (rv) + get_efuse_mac_addr(enetaddr); + + if (!is_valid_ether_addr(enetaddr)) + return -1; + + return eth_setenv_enetaddr("ethaddr", enetaddr); +} + +#define AR8051_PHY_DEBUG_ADDR_REG 0x1d +#define AR8051_PHY_DEBUG_DATA_REG 0x1e +#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 +#define AR8051_RGMII_TX_CLK_DLY 0x100 + +int board_eth_init(bd_t *bis) +{ + int rv, n = 0; + const char *devname; + struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + + rv = handle_mac_address(); + if (rv) + printf("No MAC address found!\n"); + + writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel); + + board_phy_init(); + + rv = cpsw_register(&cpsw_data); + if (rv < 0) + printf("Error %d registering CPSW switch\n", rv); + else + n += rv; + + /* + * CPSW RGMII Internal Delay Mode is not supported in all PVT + * operating points. So we must set the TX clock delay feature + * in the AR8051 PHY. Since we only support a single ethernet + * device, we only do this for the first instance. + */ + devname = miiphy_get_current_dev(); + + miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG, + AR8051_DEBUG_RGMII_CLK_DLY_REG); + miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG, + AR8051_RGMII_TX_CLK_DLY); + return n; +} +#endif /* CONFIG_DRIVER_TI_CPSW && !CONFIG_SPL_BUILD */ diff --git a/board/compulab/cm_t335/mux.c b/board/compulab/cm_t335/mux.c new file mode 100644 index 0000000000..998d30457e --- /dev/null +++ b/board/compulab/cm_t335/mux.c @@ -0,0 +1,111 @@ +/* + * Pinmux configuration for Compulab CM-T335 board + * + * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/ + * + * Author: Ilya Ledvich <ilya@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware.h> +#include <asm/arch/mux.h> +#include <asm/io.h> + +static struct module_pin_mux uart0_pin_mux[] = { + {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, + {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, + {-1}, +}; + +static struct module_pin_mux uart1_pin_mux[] = { + {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, + {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, + {OFFSET(uart1_ctsn), (MODE(0) | PULLUP_EN | RXACTIVE)}, + {OFFSET(uart1_rtsn), (MODE(0) | PULLUDEN)}, + {-1}, +}; + +static struct module_pin_mux mmc0_pin_mux[] = { + {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, + {-1}, +}; + +static struct module_pin_mux i2c0_pin_mux[] = { + {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDDIS | SLEWCTRL)}, + {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDDIS | SLEWCTRL)}, + {-1}, +}; + +static struct module_pin_mux i2c1_pin_mux[] = { + /* I2C_DATA */ + {OFFSET(uart0_ctsn), (MODE(3) | RXACTIVE | PULLUDDIS | SLEWCTRL)}, + /* I2C_SCLK */ + {OFFSET(uart0_rtsn), (MODE(3) | RXACTIVE | PULLUDDIS | SLEWCTRL)}, + {-1}, +}; + +static struct module_pin_mux rgmii1_pin_mux[] = { + {OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */ + {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */ + {OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */ + {OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */ + {OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */ + {OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */ + {OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */ + {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */ + {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */ + {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */ + {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */ + {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */ + {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */ + {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */ + {-1}, +}; + +static struct module_pin_mux nand_pin_mux[] = { + {OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */ + {OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */ + {OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */ + {OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */ + {OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */ + {OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */ + {OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */ + {OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */ + {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */ + {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */ + {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */ + {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */ + {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */ + {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */ + {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */ + {-1}, +}; + +static struct module_pin_mux eth_phy_rst_pin_mux[] = { + {OFFSET(emu0), (MODE(7) | PULLUDDIS)}, /* GPIO3_7 */ + {-1}, +}; + +void set_uart_mux_conf(void) +{ + configure_module_pin_mux(uart0_pin_mux); + configure_module_pin_mux(uart1_pin_mux); +} + +void set_mux_conf_regs(void) +{ + configure_module_pin_mux(i2c0_pin_mux); + configure_module_pin_mux(i2c1_pin_mux); + configure_module_pin_mux(rgmii1_pin_mux); + configure_module_pin_mux(eth_phy_rst_pin_mux); + configure_module_pin_mux(mmc0_pin_mux); + configure_module_pin_mux(nand_pin_mux); +} diff --git a/board/compulab/cm_t335/spl.c b/board/compulab/cm_t335/spl.c new file mode 100644 index 0000000000..b62e58a7eb --- /dev/null +++ b/board/compulab/cm_t335/spl.c @@ -0,0 +1,110 @@ +/* + * SPL specific code for Compulab CM-T335 board + * + * Board functions for Compulab CM-T335 board + * + * Copyright (C) 2013, Compulab Ltd - http://compulab.co.il/ + * + * Author: Ilya Ledvich <ilya@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> + +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/clocks_am33xx.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/hardware_am33xx.h> +#include <asm/sizes.h> + +static const struct ddr_data ddr3_data = { + .datardsratio0 = MT41J128MJT125_RD_DQS, + .datawdsratio0 = MT41J128MJT125_WR_DQS, + .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE, + .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA, + .datadldiff0 = PHY_DLL_LOCK_DIFF, +}; + +static const struct cmd_control ddr3_cmd_ctrl_data = { + .cmd0csratio = MT41J128MJT125_RATIO, + .cmd0dldiff = MT41J128MJT125_DLL_LOCK_DIFF, + .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, + + .cmd1csratio = MT41J128MJT125_RATIO, + .cmd1dldiff = MT41J128MJT125_DLL_LOCK_DIFF, + .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT, + + .cmd2csratio = MT41J128MJT125_RATIO, + .cmd2dldiff = MT41J128MJT125_DLL_LOCK_DIFF, + .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, +}; + +static struct emif_regs ddr3_emif_reg_data = { + .sdram_config = MT41J128MJT125_EMIF_SDCFG, + .ref_ctrl = MT41J128MJT125_EMIF_SDREF, + .sdram_tim1 = MT41J128MJT125_EMIF_TIM1, + .sdram_tim2 = MT41J128MJT125_EMIF_TIM2, + .sdram_tim3 = MT41J128MJT125_EMIF_TIM3, + .zq_config = MT41J128MJT125_ZQ_CFG, + .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY | + PHY_EN_DYN_PWRDN, +}; + +const struct dpll_params dpll_ddr = { +/* M N M2 M3 M4 M5 M6 */ + 303, (V_OSCK/1000000) - 1, 1, -1, -1, -1, -1}; + +void am33xx_spl_board_init(void) +{ + struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + + /* Get the frequency */ + dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); + + /* Set CORE Frequencies to OPP100 */ + do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); + + /* Set MPU Frequency to what we detected now that voltages are set */ + do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); +} + +const struct dpll_params *get_dpll_ddr_params(void) +{ + return &dpll_ddr; +} + +static void probe_sdram_size(long size) +{ + switch (size) { + case SZ_512M: + ddr3_emif_reg_data.sdram_config = MT41J256MJT125_EMIF_SDCFG; + break; + case SZ_256M: + ddr3_emif_reg_data.sdram_config = MT41J128MJT125_EMIF_SDCFG; + break; + case SZ_128M: + ddr3_emif_reg_data.sdram_config = MT41J64MJT125_EMIF_SDCFG; + break; + default: + puts("Failed configuring DRAM, resetting...\n\n"); + reset_cpu(0); + } + debug("%s: setting DRAM size to %ldM\n", __func__, size >> 20); + config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data, + &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); +} + +void sdram_init(void) +{ + long size = SZ_1G; + + do { + size = size / 2; + probe_sdram_size(size); + } while (get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, size) < size); + + return; +} diff --git a/board/compulab/cm_t335/u-boot.lds b/board/compulab/cm_t335/u-boot.lds new file mode 100644 index 0000000000..3bd96e9c1b --- /dev/null +++ b/board/compulab/cm_t335/u-boot.lds @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2004-2008 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + *(.__image_copy_start) + CPUDIR/start.o (.text*) + board/compulab/cm_t335/libcm_t335.o (.text*) + *(.text*) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + *(.data*) + } + + . = ALIGN(4); + + . = .; + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = ALIGN(4); + + .image_copy_end : + { + *(.__image_copy_end) + } + + .rel_dyn_start : + { + *(.__rel_dyn_start) + } + + .rel.dyn : { + *(.rel*) + } + + .rel_dyn_end : + { + *(.__rel_dyn_end) + } + + _end = .; + + /* + * Deprecated: this MMU section is used by pxa at present but + * should not be used by new boards/CPUs. + */ + . = ALIGN(4096); + .mmutable : { + *(.mmutable) + } + +/* + * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c + * __bss_base and __bss_limit are for linker only (overlay ordering) + */ + + .bss_start __rel_dyn_start (OVERLAY) : { + KEEP(*(.__bss_start)); + __bss_base = .; + } + + .bss __bss_base (OVERLAY) : { + *(.bss*) + . = ALIGN(4); + __bss_limit = .; + } + + .bss_end __bss_limit (OVERLAY) : { + KEEP(*(.__bss_end)); + } + + /DISCARD/ : { *(.dynsym) } + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } +} |