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Diffstat (limited to 'board/quipos/cairo/cairo.c')
| -rw-r--r-- | board/quipos/cairo/cairo.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/board/quipos/cairo/cairo.c b/board/quipos/cairo/cairo.c new file mode 100644 index 0000000000..b97a09ab15 --- /dev/null +++ b/board/quipos/cairo/cairo.c @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2014 DENX + * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> + * + * Derived from code written by Robert Aigner (ra@spiid.net) + * + * Itself derived from Beagle Board and 3430 SDP code by + * Richard Woodruff <r-woodruff2@ti.com> + * Syed Mohammed Khasim <khasim@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <dm.h> +#include <netdev.h> +#include <ns16550.h> +#include <asm/io.h> +#include <asm/arch/mem.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <i2c.h> +#include <asm/mach-types.h> +#include <asm/omap_mmc.h> +#include "cairo.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * MUSB port on OMAP3EVM Rev >= E requires extvbus programming. + */ +u8 omap3_evm_need_extvbus(void) +{ + u8 retval = 0; + + /* TODO: verify if cairo handheld platform needs extvbus programming */ + + return retval; +} + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init(void) +{ + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + /* board id for Linux */ + gd->bd->bi_arch_number = MACH_TYPE_OMAP3_CAIRO; + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + return 0; +} + +/* + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + */ +void set_muxconf_regs(void) +{ + MUX_CAIRO(); +} + +#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0, 0, 0, -1, -1); +} +#endif + +#ifdef CONFIG_SPL_BUILD +/* + * Routine: get_board_mem_timings + * Description: If we use SPL then there is no x-loader nor config header + * so we have to setup the DDR timings ourself on the first bank. This + * provides the timing values back to the function that configures + * the memory. + * + * The Cairo board uses SAMSUNG DDR - K4X51163PG-FGC6 + */ +void get_board_mem_timings(struct board_sdrc_timings *timings) +{ + timings->sharing = SAMSUNG_SHARING; + timings->mcfg = SAMSUNG_V_MCFG_165(128 << 20); + timings->ctrla = SAMSUNG_V_ACTIMA_165; + timings->ctrlb = SAMSUNG_V_ACTIMB_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + timings->mr = SAMSUNG_V_MR_165; +} +#endif + +static const struct ns16550_platdata cairo_serial = { + OMAP34XX_UART2, + 2, + V_NS16550_CLK +}; + +U_BOOT_DEVICE(cairo_uart) = { + "serial_omap", + &cairo_serial +}; + +/* force SPL booting into U-Boot, not Linux */ +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + return 1; +} +#endif |
