X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2Fomicron%2Fcalimain%2Fcalimain.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2Fomicron%2Fcalimain%2Fcalimain.c;h=dd28915cdc4c3cfce048c2dff7a6fcc54f96ea93;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/omicron/calimain/calimain.c b/qemu/roms/u-boot/board/omicron/calimain/calimain.c new file mode 100644 index 000000000..dd28915cd --- /dev/null +++ b/qemu/roms/u-boot/board/omicron/calimain/calimain.c @@ -0,0 +1,147 @@ +/* + * Copyright (C) 2011 OMICRON electronics GmbH + * + * Based on da850evm.c. Original Copyrights follow: + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. + * Copyright (C) 2007 Sergey Kubushyn + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define CALIMAIN_HWVERSION_MASK 0x7f000000 +#define CALIMAIN_HWVERSION_SHIFT 24 + +/* Hardware version pinmux settings */ +const struct pinmux_config hwversion_pins[] = { + { pinmux(16), 8, 2 }, /* GP7[15] */ + { pinmux(16), 8, 3 }, /* GP7[14] */ + { pinmux(16), 8, 4 }, /* GP7[13] */ + { pinmux(16), 8, 5 }, /* GP7[12] */ + { pinmux(16), 8, 6 }, /* GP7[11] */ + { pinmux(16), 8, 7 }, /* GP7[10] */ + { pinmux(17), 8, 0 }, /* GP7[9] */ + { pinmux(17), 8, 1 } /* GP7[8] */ +}; + +const struct pinmux_resource pinmuxes[] = { + PINMUX_ITEM(uart2_pins_txrx), + PINMUX_ITEM(emac_pins_mii), + PINMUX_ITEM(emac_pins_mdio), + PINMUX_ITEM(emifa_pins_nor), + PINMUX_ITEM(emifa_pins_cs2), + PINMUX_ITEM(emifa_pins_cs3), +}; + +const int pinmuxes_size = ARRAY_SIZE(pinmuxes); + +const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + +const int lpsc_size = ARRAY_SIZE(lpsc); + +/* read board revision from GPIO7[8..14] */ +u32 get_board_rev(void) +{ + lpsc_on(DAVINCI_LPSC_GPIO); + if (davinci_configure_pin_mux(hwversion_pins, + ARRAY_SIZE(hwversion_pins)) != 0) + return 0xffffffff; + + return (davinci_gpio_bank67->in_data & CALIMAIN_HWVERSION_MASK) + >> CALIMAIN_HWVERSION_SHIFT; +} + +/* + * determine the oscillator frequency depending on the board revision + * + * rev 0x00 ... 25 MHz oscillator + * rev 0x01 ... 24 MHz oscillator + */ +int calimain_get_osc_freq(void) +{ + u32 rev; + int freq; + + rev = get_board_rev(); + switch (rev) { + case 0x00: + freq = 25000000; + break; + default: + freq = 24000000; + break; + } + return freq; +} + +int board_init(void) +{ + int val; + +#ifndef CONFIG_USE_IRQ + irq_init(); +#endif + + /* address of boot parameters */ + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + +#ifdef CONFIG_DRIVER_TI_EMAC + /* select emac MII mode */ + val = readl(&davinci_syscfg_regs->cfgchip3); + val &= ~(1 << 8); + writel(val, &davinci_syscfg_regs->cfgchip3); +#endif /* CONFIG_DRIVER_TI_EMAC */ + +#ifdef CONFIG_HW_WATCHDOG + davinci_hw_watchdog_enable(); +#endif + + printf("Input clock frequency: %d Hz\n", calimain_get_osc_freq()); + printf("Board revision: %d\n", get_board_rev()); + + return 0; +} + +#ifdef CONFIG_DRIVER_TI_EMAC +/* + * Initializes on-board ethernet controllers. + */ +int board_eth_init(bd_t *bis) +{ + if (!davinci_emac_initialize()) { + printf("Error: Ethernet init failed!\n"); + return -1; + } + + return 0; +} +#endif /* CONFIG_DRIVER_TI_EMAC */ + +#ifdef CONFIG_HW_WATCHDOG +void hw_watchdog_reset(void) +{ + davinci_hw_watchdog_reset(); +} +#endif