[U-Boot] [U-Boot, 29/36] rockchip: rk3368: prepare to use common board file

Philipp Tomsich philipp.tomsich at theobroma-systems.com
Sun Apr 1 21:37:53 UTC 2018



On Tue, 27 Mar 2018, Kever Yang wrote:

> Use common board file and move SoC spec setting into rk3368.c

Please improve the commit message, so the casual reader knows what is 
changed it this patch and why.

>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>

See below for some requested changes.

> ---
>
> arch/arm/mach-rockchip/rk3368-board-spl.c         |  73 ----------
> arch/arm/mach-rockchip/rk3368-board-tpl.c         | 157 ----------------------
> arch/arm/mach-rockchip/rk3368/rk3368.c            | 116 ++++++++++++++--
> board/geekbuying/geekbox/geekbox.c                |   5 -
> board/rockchip/evb_px5/evb-px5.c                  |   5 -
> board/rockchip/sheep_rk3368/sheep_rk3368.c        |   5 -
> board/theobroma-systems/lion_rk3368/lion_rk3368.c |   8 --
> 7 files changed, 106 insertions(+), 263 deletions(-)
> delete mode 100644 arch/arm/mach-rockchip/rk3368-board-spl.c
> delete mode 100644 arch/arm/mach-rockchip/rk3368-board-tpl.c
>
> diff --git a/arch/arm/mach-rockchip/rk3368-board-spl.c b/arch/arm/mach-rockchip/rk3368-board-spl.c
> deleted file mode 100644
> index 8055ae5..0000000
> --- a/arch/arm/mach-rockchip/rk3368-board-spl.c
> +++ /dev/null
> @@ -1,73 +0,0 @@
> -/*
> - * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
> - *
> - * SPDX-License-Identifier:     GPL-2.0+
> - */
> -
> -#include <common.h>
> -#include <debug_uart.h>
> -#include <dm.h>
> -#include <dm/pinctrl.h>
> -#include <ram.h>
> -#include <spl.h>
> -#include <asm/io.h>
> -#include <asm/arch/cru_rk3368.h>
> -#include <asm/arch/grf_rk3368.h>
> -#include <asm/arch/hardware.h>
> -#include <asm/arch/periph.h>
> -#include <asm/arch/timer.h>
> -
> -DECLARE_GLOBAL_DATA_PTR;
> -
> -void board_debug_uart_init(void)
> -{
> -}
> -
> -void board_init_f(ulong dummy)
> -{
> -	struct udevice *pinctrl;
> -	struct udevice *dev;
> -	int ret;
> -
> -	ret = spl_early_init();
> -	if (ret) {
> -		debug("spl_early_init() failed: %d\n", ret);
> -		hang();
> -	}
> -
> -	/* Set up our preloader console */
> -	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
> -	if (ret) {
> -		pr_err("%s: pinctrl init failed: %d\n", __func__, ret);
> -		hang();
> -	}
> -
> -	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART0);
> -	if (ret) {
> -		pr_err("%s: failed to set up console UART\n", __func__);
> -		hang();
> -	}
> -
> -	preloader_console_init();
> -
> -	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
> -	if (ret) {
> -		debug("DRAM init failed: %d\n", ret);
> -		return;
> -	}
> -}
> -
> -u32 spl_boot_device(void)
> -{
> -	return BOOT_DEVICE_MMC1;
> -}
> -
> -#ifdef CONFIG_SPL_LOAD_FIT
> -int board_fit_config_name_match(const char *name)
> -{
> -	/* Just empty function now - can't decide what to choose */
> -	debug("%s: %s\n", __func__, name);
> -
> -	return 0;
> -}
> -#endif
> diff --git a/arch/arm/mach-rockchip/rk3368-board-tpl.c b/arch/arm/mach-rockchip/rk3368-board-tpl.c
> deleted file mode 100644
> index 60d5aea..0000000
> --- a/arch/arm/mach-rockchip/rk3368-board-tpl.c
> +++ /dev/null
> @@ -1,157 +0,0 @@
> -/*
> - * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH

If you move all of this code, please make sure that our copyright is 
reflected in the new file.

> - *
> - * SPDX-License-Identifier:     GPL-2.0+
> - */
> -
> -#include <common.h>
> -#include <asm/arch/clock.h>
> -#include <debug_uart.h>
> -#include <dm.h>
> -#include <ram.h>
> -#include <spl.h>
> -#include <asm/io.h>
> -#include <asm/arch/bootrom.h>
> -#include <asm/arch/cru_rk3368.h>
> -#include <asm/arch/grf_rk3368.h>
> -#include <asm/arch/hardware.h>
> -#include <asm/arch/timer.h>
> -#include <syscon.h>
> -
> -DECLARE_GLOBAL_DATA_PTR;
> -
> -/*
> - * The SPL (and also the full U-Boot stage on the RK3368) will run in
> - * secure mode (i.e. EL3) and an ATF will eventually be booted before
> - * starting up the operating system... so we can initialize the SGRF
> - * here and rely on the ATF installing the final (secure) policy
> - * later.
> - */
> -static inline uintptr_t sgrf_soc_con_addr(unsigned no)
> -{
> -	const uintptr_t SGRF_BASE =
> -		(uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF);
> -
> -	return SGRF_BASE + sizeof(u32) * no;
> -}
> -
> -static inline uintptr_t sgrf_busdmac_addr(unsigned no)
> -{
> -	const uintptr_t SGRF_BASE =
> -		(uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF);
> -	const uintptr_t SGRF_BUSDMAC_OFFSET = 0x100;
> -	const uintptr_t SGRF_BUSDMAC_BASE = SGRF_BASE + SGRF_BUSDMAC_OFFSET;
> -
> -	return SGRF_BUSDMAC_BASE + sizeof(u32) * no;
> -}
> -
> -static void sgrf_init(void)
> -{
> -	struct rk3368_cru * const cru =
> -		(struct rk3368_cru * const)rockchip_get_cru();
> -	const u16 SGRF_SOC_CON_SEC = GENMASK(15, 0);
> -	const u16 SGRF_BUSDMAC_CON0_SEC = BIT(2);
> -	const u16 SGRF_BUSDMAC_CON1_SEC = GENMASK(15, 12);
> -
> -	/* Set all configurable IP to 'non secure'-mode */
> -	rk_setreg(sgrf_soc_con_addr(5), SGRF_SOC_CON_SEC);
> -	rk_setreg(sgrf_soc_con_addr(6), SGRF_SOC_CON_SEC);
> -	rk_setreg(sgrf_soc_con_addr(7), SGRF_SOC_CON_SEC);
> -
> -	/*
> -	 * From rockchip-uboot/arch/arm/cpu/armv8/rk33xx/cpu.c
> -	 * Original comment: "ddr space set no secure mode"
> -	 */
> -	rk_clrreg(sgrf_soc_con_addr(8), SGRF_SOC_CON_SEC);
> -	rk_clrreg(sgrf_soc_con_addr(9), SGRF_SOC_CON_SEC);
> -	rk_clrreg(sgrf_soc_con_addr(10), SGRF_SOC_CON_SEC);
> -
> -	/* Set 'secure dma' to 'non secure'-mode */
> -	rk_setreg(sgrf_busdmac_addr(0), SGRF_BUSDMAC_CON0_SEC);
> -	rk_setreg(sgrf_busdmac_addr(1), SGRF_BUSDMAC_CON1_SEC);
> -
> -	dsb();  /* barrier */
> -
> -	rk_setreg(&cru->softrst_con[1], DMA1_SRST_REQ);
> -	rk_setreg(&cru->softrst_con[4], DMA2_SRST_REQ);
> -
> -	dsb();  /* barrier */
> -	udelay(10);
> -
> -	rk_clrreg(&cru->softrst_con[1], DMA1_SRST_REQ);
> -	rk_clrreg(&cru->softrst_con[4], DMA2_SRST_REQ);
> -}
> -
> -void board_debug_uart_init(void)
> -{
> -	/*
> -	 * N.B.: This is called before the device-model has been
> -	 *       initialised. For this reason, we can not access
> -	 *       the GRF address range using the syscon API.
> -	 */
> -	struct rk3368_grf * const grf =
> -		(struct rk3368_grf * const)0xff770000;
> -
> -	enum {
> -		GPIO2D1_MASK            = GENMASK(3, 2),
> -		GPIO2D1_GPIO            = 0,
> -		GPIO2D1_UART0_SOUT      = (1 << 2),
> -
> -		GPIO2D0_MASK            = GENMASK(1, 0),
> -		GPIO2D0_GPIO            = 0,
> -		GPIO2D0_UART0_SIN       = (1 << 0),
> -	};
> -
> -#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
> -	/* Enable early UART0 on the RK3368 */
> -	rk_clrsetreg(&grf->gpio2d_iomux,
> -		     GPIO2D0_MASK, GPIO2D0_UART0_SIN);
> -	rk_clrsetreg(&grf->gpio2d_iomux,
> -		     GPIO2D1_MASK, GPIO2D1_UART0_SOUT);
> -#endif
> -}
> -
> -void board_init_f(ulong dummy)
> -{
> -	struct udevice *dev;
> -	int ret;
> -
> -#define EARLY_UART
> -#ifdef EARLY_UART
> -	/*
> -	 * Debug UART can be used from here if required:
> -	 *
> -	 * debug_uart_init();
> -	 * printch('a');
> -	 * printhex8(0x1234);
> -	 * printascii("string");
> -	 */
> -	debug_uart_init();
> -	printascii("U-Boot TPL board init\n");
> -#endif
> -
> -	ret = spl_early_init();
> -	if (ret) {
> -		debug("spl_early_init() failed: %d\n", ret);
> -		hang();
> -	}
> -
> -	/* Reset security, so we can use DMA in the MMC drivers */
> -	sgrf_init();
> -
> -	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
> -	if (ret) {
> -		debug("DRAM init failed: %d\n", ret);
> -		return;
> -	}
> -}
> -
> -void board_return_to_bootrom(void)
> -{
> -	back_to_bootrom(BROM_BOOT_NEXTSTAGE);
> -}
> -
> -u32 spl_boot_device(void)
> -{
> -	return BOOT_DEVICE_BOOTROM;
> -}
> diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c
> index f62d91d..8c0b370 100644
> --- a/arch/arm/mach-rockchip/rk3368/rk3368.c
> +++ b/arch/arm/mach-rockchip/rk3368/rk3368.c
> @@ -7,6 +7,7 @@
>
> #include <common.h>
> #include <asm/armv8/mmu.h>
> +#include <asm/arch/bootrom.h>
> #include <asm/io.h>
> #include <asm/arch/clock.h>
> #include <asm/arch/cru_rk3368.h>
> @@ -52,16 +53,10 @@ static struct mm_region rk3368_mem_map[] = {
>
> struct mm_region *mem_map = rk3368_mem_map;
>
> -int dram_init_banksize(void)
> -{
> -	size_t max_size = min((unsigned long)gd->ram_size, gd->ram_top);
> -
> -	/* Reserve 0x200000 for ATF bl31 */
> -	gd->bd->bi_dram[0].start = 0x200000;
> -	gd->bd->bi_dram[0].size = max_size - gd->bd->bi_dram[0].start;
> -
> -	return 0;
> -}
> +const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> +	[BROM_BOOTSOURCE_EMMC] = "/dwmmc at ff0f0000",
> +	[BROM_BOOTSOURCE_SD] = "/dwmmc at ff0c0000",
> +};
>
> #ifdef CONFIG_ARCH_EARLY_INIT_R
> static int mcu_init(void)
> @@ -97,3 +92,104 @@ int arch_early_init_r(void)
> 	return mcu_init();
> }
> #endif
> +
> +#ifdef CONFIG_SPL_BUILD
> +/*
> + * The SPL (and also the full U-Boot stage on the RK3368) will run in
> + * secure mode (i.e. EL3) and an ATF will eventually be booted before
> + * starting up the operating system... so we can initialize the SGRF
> + * here and rely on the ATF installing the final (secure) policy
> + * later.
> + */
> +static inline uintptr_t sgrf_soc_con_addr(u32 no)
> +{
> +	const uintptr_t SGRF_BASE =
> +		(uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF);
> +
> +	return SGRF_BASE + sizeof(u32) * no;
> +}
> +
> +static inline uintptr_t sgrf_busdmac_addr(u32 no)
> +{
> +	const uintptr_t SGRF_BASE =
> +		(uintptr_t)syscon_get_first_range(ROCKCHIP_SYSCON_SGRF);
> +	const uintptr_t SGRF_BUSDMAC_OFFSET = 0x100;
> +	const uintptr_t SGRF_BUSDMAC_BASE = SGRF_BASE + SGRF_BUSDMAC_OFFSET;
> +
> +	return SGRF_BUSDMAC_BASE + sizeof(u32) * no;
> +}
> +
> +static void sgrf_init(void)
> +{
> +	struct rk3368_cru * const cru =
> +		(struct rk3368_cru * const)rockchip_get_cru();
> +	const u16 SGRF_SOC_CON_SEC = GENMASK(15, 0);
> +	const u16 SGRF_BUSDMAC_CON0_SEC = BIT(2);
> +	const u16 SGRF_BUSDMAC_CON1_SEC = GENMASK(15, 12);
> +
> +	/* Set all configurable IP to 'non secure'-mode */
> +	rk_setreg(sgrf_soc_con_addr(5), SGRF_SOC_CON_SEC);
> +	rk_setreg(sgrf_soc_con_addr(6), SGRF_SOC_CON_SEC);
> +	rk_setreg(sgrf_soc_con_addr(7), SGRF_SOC_CON_SEC);
> +
> +	/*
> +	 * From rockchip-uboot/arch/arm/cpu/armv8/rk33xx/cpu.c
> +	 * Original comment: "ddr space set no secure mode"
> +	 */
> +	rk_clrreg(sgrf_soc_con_addr(8), SGRF_SOC_CON_SEC);
> +	rk_clrreg(sgrf_soc_con_addr(9), SGRF_SOC_CON_SEC);
> +	rk_clrreg(sgrf_soc_con_addr(10), SGRF_SOC_CON_SEC);
> +
> +	/* Set 'secure dma' to 'non secure'-mode */
> +	rk_setreg(sgrf_busdmac_addr(0), SGRF_BUSDMAC_CON0_SEC);
> +	rk_setreg(sgrf_busdmac_addr(1), SGRF_BUSDMAC_CON1_SEC);
> +
> +	dsb();  /* barrier */
> +
> +	rk_setreg(&cru->softrst_con[1], DMA1_SRST_REQ);
> +	rk_setreg(&cru->softrst_con[4], DMA2_SRST_REQ);
> +
> +	dsb();  /* barrier */
> +	udelay(10);
> +
> +	rk_clrreg(&cru->softrst_con[1], DMA1_SRST_REQ);
> +	rk_clrreg(&cru->softrst_con[4], DMA2_SRST_REQ);
> +}
> +
> +void board_debug_uart_init(void)
> +{
> +	/*
> +	 * N.B.: This is called before the device-model has been
> +	 *       initialised. For this reason, we can not access
> +	 *       the GRF address range using the syscon API.
> +	 */
> +	struct rk3368_grf * const grf =
> +		(struct rk3368_grf * const)0xff770000;
> +
> +	enum {
> +		GPIO2D1_MASK            = GENMASK(3, 2),
> +		GPIO2D1_GPIO            = 0,
> +		GPIO2D1_UART0_SOUT      = (1 << 2),
> +
> +		GPIO2D0_MASK            = GENMASK(1, 0),
> +		GPIO2D0_GPIO            = 0,
> +		GPIO2D0_UART0_SIN       = (1 << 0),
> +	};
> +
> +#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
> +	/* Enable early UART0 on the RK3368 */
> +	rk_clrsetreg(&grf->gpio2d_iomux,
> +		     GPIO2D0_MASK, GPIO2D0_UART0_SIN);
> +	rk_clrsetreg(&grf->gpio2d_iomux,
> +		     GPIO2D1_MASK, GPIO2D1_UART0_SOUT);
> +#endif
> +}
> +
> +int arch_cpu_init(void)
> +{
> +	/* Reset security, so we can use DMA in the MMC drivers */
> +	sgrf_init();
> +
> +	return 0;
> +}
> +#endif
> diff --git a/board/geekbuying/geekbox/geekbox.c b/board/geekbuying/geekbox/geekbox.c
> index 88b67f9..d682349 100644
> --- a/board/geekbuying/geekbox/geekbox.c
> +++ b/board/geekbuying/geekbox/geekbox.c
> @@ -7,8 +7,3 @@
> #include <common.h>
>
> DECLARE_GLOBAL_DATA_PTR;
> -
> -int board_init(void)
> -{
> -	return 0;
> -}

Why even keep this file around?

> diff --git a/board/rockchip/evb_px5/evb-px5.c b/board/rockchip/evb_px5/evb-px5.c
> index 6a47642..ec3d27e 100644
> --- a/board/rockchip/evb_px5/evb-px5.c
> +++ b/board/rockchip/evb_px5/evb-px5.c
> @@ -4,8 +4,3 @@
>  * SPDX-License-Identifier:     GPL-2.0+
>  */
> #include <common.h>
> -
> -int board_init(void)
> -{
> -	return 0;
> -}

Why even keep this file around?

> diff --git a/board/rockchip/sheep_rk3368/sheep_rk3368.c b/board/rockchip/sheep_rk3368/sheep_rk3368.c
> index 17adb02..ff2d2d2 100644
> --- a/board/rockchip/sheep_rk3368/sheep_rk3368.c
> +++ b/board/rockchip/sheep_rk3368/sheep_rk3368.c
> @@ -15,8 +15,3 @@ int mach_cpu_init(void)
> {
> 	return 0;
> }
> -
> -int board_init(void)
> -{
> -	return 0;
> -}
> diff --git a/board/theobroma-systems/lion_rk3368/lion_rk3368.c b/board/theobroma-systems/lion_rk3368/lion_rk3368.c
> index 73b1488..025692b 100644
> --- a/board/theobroma-systems/lion_rk3368/lion_rk3368.c
> +++ b/board/theobroma-systems/lion_rk3368/lion_rk3368.c
> @@ -7,9 +7,6 @@
> #include <dm.h>
> #include <ram.h>
> #include <asm/io.h>
> -#include <asm/arch/clock.h>
> -#include <asm/arch/grf_rk3368.h>
> -#include <asm/arch/timer.h>
> #include <syscon.h>
>
> DECLARE_GLOBAL_DATA_PTR;
> @@ -18,8 +15,3 @@ int mach_cpu_init(void)
> {
> 	return 0;
> }
> -
> -int board_init(void)
> -{
> -	return 0;
> -}
>


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