diff options
Diffstat (limited to 'roms/u-boot/board/hale/tt01/tt01.c')
| -rw-r--r-- | roms/u-boot/board/hale/tt01/tt01.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/roms/u-boot/board/hale/tt01/tt01.c b/roms/u-boot/board/hale/tt01/tt01.c new file mode 100644 index 00000000..011aed08 --- /dev/null +++ b/roms/u-boot/board/hale/tt01/tt01.c @@ -0,0 +1,243 @@ +/* + * (C) Copyright 2011 HALE electronic <helmut.raiger@hale.at> + * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com> + * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <netdev.h> +#include <command.h> +#include <power/pmic.h> +#include <fsl_pmic.h> +#include <mc13783.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define BOARD_STRING "Board: HALE TT-01" + +/* Clock configuration */ +#define CCM_CCMR_SETUP 0x074B0BF5 + +static void board_setup_clocks(void) +{ + struct clock_control_regs *ccm = (struct clock_control_regs *) CCM_BASE; + volatile int wait = 0x10000; + + writel(CCM_CCMR_SETUP, &ccm->ccmr); + while (wait--) + ; + + writel(CCM_CCMR_SETUP | CCMR_MPE, &ccm->ccmr); + writel((CCM_CCMR_SETUP | CCMR_MPE) & ~CCMR_MDS, &ccm->ccmr); + + /* Set up clock to 532MHz */ + writel(PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) | PDR0_PER_PODF(7) | + PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) | + PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) | + PDR0_MCU_PODF(0), &ccm->pdr0); + writel(PLL_PD(0) | PLL_MFD(51) | PLL_MFI(10) | PLL_MFN(12), + &ccm->mpctl); + writel(PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1), + &ccm->spctl); +} + +/* DRAM configuration */ + +#define ESDMISC_MDDR_SETUP 0x00000004 +#define ESDMISC_MDDR_RESET_DL 0x0000000c +/* + * decoding magic 0x6ac73a = 0b 0110 1010 1100 0111 0011 1010 below: + * tXP = 11, tWTR = 0, tRP = 10, tMRD = 10 + * tWR = 1, tRAS = 100, tRRD = 01, tCAS = 11 + * tRCD = 011, tRC = 010 + * note: all but tWTR (1), tRC (111) are reset defaults, + * the same values work in the jtag configuration + * + * Bluetechnix setup has 0x75e73a (for 128MB) = + * 0b 0111 0101 1110 0111 0011 1010 + * tXP = 11, tWTR = 1, tRP = 01, tMRD = 01 + * tWR = 1, tRAS = 110, tRRD = 01, tCAS = 11 + * tRCD = 011, tRC = 010 + */ +#define ESDCFG0_MDDR_SETUP 0x006ac73a +#define ESDCTL_ROW_COL (ESDCTL_SDE | ESDCTL_ROW(2) | ESDCTL_COL(2)) +#define ESDCTL_SETTINGS (ESDCTL_ROW_COL | ESDCTL_SREFR(3) | \ + ESDCTL_DSIZ(2) | ESDCTL_BL(1)) +#define ESDCTL_PRECHARGE (ESDCTL_ROW_COL | ESDCTL_CMD_PRECHARGE) +#define ESDCTL_AUTOREFRESH (ESDCTL_ROW_COL | ESDCTL_CMD_AUTOREFRESH) +#define ESDCTL_LOADMODEREG (ESDCTL_ROW_COL | ESDCTL_CMD_LOADMODEREG) +#define ESDCTL_RW ESDCTL_SETTINGS + +static void board_setup_sdram(void) +{ + u32 *pad; + struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR; + + /* + * setup pad control for the controller pins + * no loopback, no pull, no keeper, no open drain, + * standard input, standard drive, slow slew rate + */ + for (pad = (u32 *) IOMUXC_SW_PAD_CTL_SDCKE1_SDCLK_SDCLK_B; + pad <= (u32 *) IOMUXC_SW_PAD_CTL_VPG0_VPG1_A0; pad++) + *pad = 0; + + /* set up MX31 DDR Memory Controller */ + writel(ESDMISC_MDDR_SETUP, &esdc->misc); + writel(ESDCFG0_MDDR_SETUP, &esdc->cfg0); + + /* perform DDR init sequence for CSD0 */ + writel(ESDCTL_PRECHARGE, &esdc->ctl0); + writel(0x12344321, CSD0_BASE+0x0f00); + writel(ESDCTL_AUTOREFRESH, &esdc->ctl0); + writel(0x12344321, CSD0_BASE); + writel(0x12344321, CSD0_BASE); + writel(ESDCTL_LOADMODEREG, &esdc->ctl0); + writeb(0xda, CSD0_BASE+0x33); + writeb(0xff, CSD0_BASE+0x1000000); + writel(ESDCTL_RW, &esdc->ctl0); + writel(0xDEADBEEF, CSD0_BASE); + writel(ESDMISC_MDDR_RESET_DL, &esdc->misc); +} + +static void tt01_spi3_hw_init(void) +{ + /* CSPI3 */ + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CSPI3_MISO, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CSPI3_MOSI, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CSPI3_SCLK, MUX_CTL_FUNC)); + /* CSPI3, SS0 = Atlas */ + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CSPI2_SS0, MUX_CTL_ALT1)); + + /* start CSPI3 clock (3 = always on except if PLL off) */ + setbits_le32(CCM_CGR0, 3 << 16); +} + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, + PHYS_SDRAM_1_SIZE); + return 0; +} + +int board_early_init_f(void) +{ + /* CS4: FPGA incl. network controller */ + struct mxc_weimcs cs4 = { + /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ + CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 28, 1, 7, 6), + /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ + CSCR_L(4, 4, 4, 10, 4, 0, 5, 4, 0, 0, 0, 1), + /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ + CSCR_A(4, 4, 4, 4, 0, 1, 4, 3, 0, 0, 0, 0, 1, 0) + }; + + /* this seems essential, won't start without, but why? */ + writel(IPU_CONF_DI_EN, (u32 *) IPU_CONF); + + board_setup_clocks(); + board_setup_sdram(); + mxc_setup_weimcs(4, &cs4); + + /* Setup UART2 and SPI3 pins */ + mx31_uart2_hw_init(); + tt01_spi3_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + return 0; +} + +int board_late_init(void) +{ +#ifdef CONFIG_HW_WATCHDOG + hw_watchdog_init(); +#endif + + return 0; +} + +int checkboard(void) +{ + puts(BOARD_STRING "\n"); + return 0; +} + +#ifdef CONFIG_MXC_MMC +int board_mmc_init(bd_t *bis) +{ + u32 val; + struct pmic *p; + int ret; + + /* + * this is the first driver to use the pmic, so call + * pmic_init() here. board_late_init() is too late for + * the MMC driver. + */ + + ret = pmic_init(I2C_PMIC); + if (ret) + return ret; + + p = pmic_get("FSL_PMIC"); + if (!p) + return -ENODEV; + + /* configure pins for SDHC1 only */ + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_CLK, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_CMD, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA0, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA1, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA2, MUX_CTL_FUNC)); + mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA3, MUX_CTL_FUNC)); + + /* turn on power V_MMC1 */ + if (pmic_reg_read(p, REG_MODE_1, &val) < 0) + pmic_reg_write(p, REG_MODE_1, val | VMMC1EN); + + return mxc_mmc_init(bis); +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} + +#ifdef CONFIG_CONSOLE_EXTRA_INFO +void video_get_info_str(int line_number, char *info) +{ + u32 srev = get_cpu_rev(); + + switch (line_number) { + case 2: + sprintf(info, " CPU : Freescale i.MX31 rev %d.%d%s at %d MHz", + (srev & 0xF0) >> 4, (srev & 0x0F), + ((srev & 0x8000) ? " unknown" : ""), + mxc_get_clock(MXC_ARM_CLK) / 1000000); + break; + case 3: + strcpy(info, " " BOARD_STRING); + break; + default: + info[0] = 0; + } +} +#endif |