[U-Boot] [RESEND PATCH v2 13/15] arm: socfpga: agilex: Add SPL for Agilex SoC

[Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>]

Am 04.07.2019 um 10:56 schrieb Ley Foon Tan:
> Add SPL support for Agilex SoC.
> 
> Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>

 From all I can tell right now, seems good to me:

Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>

> 
> ---
> v2:
> - Change clock driver probing to DM.
> - Remove unused OSC1TIMER0 reset
> - Remove debug_uart_init(). UART depends on clock driver setup, no point to call
>    debug_uart_init() after spl_early_init() and clock driver initialization.
> ---
>   arch/arm/mach-socfpga/Makefile     |   1 +
>   arch/arm/mach-socfpga/spl_agilex.c | 100 +++++++++++++++++++++++++++++
>   2 files changed, 101 insertions(+)
>   create mode 100644 arch/arm/mach-socfpga/spl_agilex.c
> 
> diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
> index 51355ad070..476dcaefff 100644
> --- a/arch/arm/mach-socfpga/Makefile
> +++ b/arch/arm/mach-socfpga/Makefile
> @@ -61,6 +61,7 @@ obj-y	+= spl_s10.o
>   endif
>   ifdef CONFIG_TARGET_SOCFPGA_AGILEX
>   obj-y   += ccu_agilex.o
> +obj-y	+= spl_agilex.o
>   endif
>   endif
>   
> diff --git a/arch/arm/mach-socfpga/spl_agilex.c b/arch/arm/mach-socfpga/spl_agilex.c
> new file mode 100644
> index 0000000000..0cc0a7f798
> --- /dev/null
> +++ b/arch/arm/mach-socfpga/spl_agilex.c
> @@ -0,0 +1,100 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2019 Intel Corporation <www.intel.com>
> + *
> + */
> +
> +#include <asm/io.h>
> +#include <asm/u-boot.h>
> +#include <asm/utils.h>
> +#include <common.h>
> +#include <image.h>
> +#include <spl.h>
> +#include <asm/arch/ccu_agilex.h>
> +#include <asm/arch/clock_manager.h>
> +#include <asm/arch/firewall.h>
> +#include <asm/arch/mailbox_s10.h>
> +#include <asm/arch/reset_manager.h>
> +#include <asm/arch/system_manager.h>
> +#include <watchdog.h>
> +#include <dm/uclass.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +static struct socfpga_system_manager *sysmgr_regs =
> +	(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
> +
> +u32 spl_boot_device(void)
> +{
> +	return BOOT_DEVICE_MMC1;
> +}
> +
> +#ifdef CONFIG_SPL_MMC_SUPPORT
> +u32 spl_boot_mode(const u32 boot_device)
> +{
> +#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4)
> +	return MMCSD_MODE_FS;
> +#else
> +	return MMCSD_MODE_RAW;
> +#endif
> +}
> +#endif
> +
> +void board_init_f(ulong dummy)
> +{
> +	int ret;
> +	struct udevice *dev;
> +
> +#ifdef CONFIG_HW_WATCHDOG
> +	/* Ensure watchdog is paused when debugging is happening */
> +	writel(SYSMGR_WDDBG_PAUSE_ALL_CPU, &sysmgr_regs->wddbg);
> +
> +	/* Enable watchdog before initializing the HW */
> +	socfpga_per_reset(SOCFPGA_RESET(L4WD0), 1);
> +	socfpga_per_reset(SOCFPGA_RESET(L4WD0), 0);
> +	hw_watchdog_init();
> +#endif
> +
> +	/* ensure all processors are not released prior Linux boot */
> +	writeq(0, CPU_RELEASE_ADDR);
> +
> +	timer_init();
> +
> +	sysmgr_pinmux_init();
> +
> +	ret = spl_early_init();
> +	if (ret) {
> +		debug("spl_early_init() failed: %d\n", ret);
> +		hang();
> +	}
> +
> +	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
> +	if (ret) {
> +		debug("Clock init failed: %d\n", ret);
> +		hang();
> +	}
> +
> +	preloader_console_init();
> +	cm_print_clock_quick_summary();
> +
> +	/* enable non-secure interface to DMA330 DMA and peripherals */
> +	writel(SYSMGR_DMA_IRQ_NS | SYSMGR_DMA_MGR_NS, &sysmgr_regs->dma);
> +	writel(SYSMGR_DMAPERIPH_ALL_NS, &sysmgr_regs->dma_periph);
> +
> +	firewall_setup();
> +	ccu_init();
> +
> +#if CONFIG_IS_ENABLED(ALTERA_SDRAM)
> +	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
> +	if (ret) {
> +		debug("DRAM init failed: %d\n", ret);
> +		hang();
> +	}
> +#endif
> +
> +	mbox_init();
> +
> +#ifdef CONFIG_CADENCE_QSPI
> +	mbox_qspi_open();
> +#endif
> +}
>