Re: [PATCH 1/6] sunxi: Kconfig: introduce SUNXI_MINIMUM_DRAM_MB
Hi Andre, Dne sreda, 12. oktober 2022 ob 18:34:53 CEST je Andre Przywara napisal(a): > Traditionally we assumed that every Allwinner board would come with at > least 256 MB of DRAM, and set our DRAM layout accordingly. This affected > both the default load addresses, but also U-Boot's own address > expectations (like being loaded at 160 MB). > > Some SoCs come with co-packaged DRAM, but only provide 32 or 64MB. So > far we special-cased those *chips*, as there was only one chip per DRAM > size. However new chips force us to take a more general approach. > > Introduce a Kconfig symbol, which provides the minimum DRAM size of the > board. If nothing else is specified, we use 256 MB, and default to > smaller values for those co-packaged SoCs. > Then select the different DRAM maps according to this new symbol, so > that different SoCs with the same DRAM size can share those definitions. > > Inspired by an idea from Icenowy. > > This is just refactoring: compiled for all boards before and after this > patch: the binaries were identical. > > Signed-off-by: Andre Przywara Nice approach. Reviewed-by: Jernej Skrabec Best regards, Jernej > --- > Kconfig| 6 +++--- > arch/arm/mach-sunxi/Kconfig| 12 > boot/Kconfig | 4 ++-- > include/configs/sunxi-common.h | 31 +-- > 4 files changed, 34 insertions(+), 19 deletions(-) > > diff --git a/Kconfig b/Kconfig > index 2ea735d38e4..d297513bac6 100644 > --- a/Kconfig > +++ b/Kconfig > @@ -312,9 +312,9 @@ config SYS_MALLOC_LEN > default 0x400 if SANDBOX > default 0x200 if ARCH_ROCKCHIP || ARCH_OMAP2PLUS || ARCH_MESON > default 0x20 if ARCH_BMIPS || X86 > - default 0x12 if MACH_SUNIV > - default 0x22 if MACH_SUN8I_V3S > - default 0x402 if ARCH_SUNXI > + default 0x402 if SUNXI_MINIMUM_DRAM_MB >= 256 > + default 0x22 if SUNXI_MINIMUM_DRAM_MB >= 64 > + default 0x12 if SUNXI_MINIMUM_DRAM_MB >= 32 > default 0x40 > help > This defines memory to be allocated for Dynamic allocation > diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig > index 6b16f43494f..9aa66deb9fd 100644 > --- a/arch/arm/mach-sunxi/Kconfig > +++ b/arch/arm/mach-sunxi/Kconfig > @@ -615,6 +615,18 @@ config SYS_BOARD > config SYS_SOC > default "sunxi" > > +config SUNXI_MINIMUM_DRAM_MB > + int "minimum DRAM size" > + default 32 if MACH_SUNIV > + default 64 if MACH_SUN8I_V3S > + default 256 > + ---help--- > + Minimum DRAM size expected on the board. Traditionally we assumed > + 256 MB, so that U-Boot would load at 160MB. With co-packaged DRAM > + we have smaller sizes, though, so that U-Boot's own load address and > + the default payload addresses must be shifted down. > + This is expected to be fixed by the SoC selection. > + > config UART0_PORT_F > bool "UART0 on MicroSD breakout board" > ---help--- > diff --git a/boot/Kconfig b/boot/Kconfig > index 6b3b8f072cb..45f86e946cd 100644 > --- a/boot/Kconfig > +++ b/boot/Kconfig > @@ -499,8 +499,8 @@ config SYS_TEXT_BASE > default 0x8080 if ARCH_OMAP2PLUS || ARCH_K3 > default 0x8170 if MACH_SUNIV > default 0x2a00 if MACH_SUN9I > - default 0x42e0 if MACH_SUN8I_V3S > - default 0x4a00 if ARCH_SUNXI > + default 0x4a00 if SUNXI_MINIMUM_DRAM_MB >= 256 > + default 0x42e0 if SUNXI_MINIMUM_DRAM_MB >= 64 > hex "Text Base" > help > The address in memory that U-Boot will be running from, initially. > diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h > index 0f0ef4f64bb..416a0422861 100644 > --- a/include/configs/sunxi-common.h > +++ b/include/configs/sunxi-common.h > @@ -135,7 +135,21 @@ > #define FDTOVERLAY_ADDR_R __stringify(SDRAM_OFFSET(FE0)) > #define RAMDISK_ADDR_R__stringify(SDRAM_OFFSET(FF0)) > > -#elif defined(CONFIG_MACH_SUN8I_V3S) > +#elif (CONFIG_SUNXI_MINIMUM_DRAM_MB >= 256) > +/* > + * 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, > etc. + * 32M uncompressed kernel, 16M compressed kernel, 1M fdt, > + * 1M script, 1M pxe, 1M dt overlay and the ramdisk at the end. > + */ > +#define BOOTM_SIZE__stringify(0xa00) > +#define KERNEL_ADDR_R __stringify(SDRAM_OFFSET(200)) > +#define FDT_ADDR_R__stringify(SDRAM_OFFSET(300)) > +#define SCRIPT_ADDR_R __stringify(SDRAM_OFFSET(310)) > +#define PXEFILE_ADDR_R__stringify(SDRAM_OFFSET(320)) > +#define FDTOVERLAY_ADDR_R __stringify(SDRAM_OFFSET(330)) > +#define RAMDISK_ADDR_R__stringify(SDRAM_OFFSET(340)) > + > +#elif (CONFIG_SUNXI_MINIMUM_DRAM_MB >= 64) > /* > * 64M RAM minus 2MB heap + 16MB for u-boot, stack, fb, etc. > * 16M uncompressed kernel, 8M compressed kernel, 1M fdt, > @@ -149,7 +163,7 @@ > #define FDTOVERLAY_ADDR_R
[PATCH 1/6] sunxi: Kconfig: introduce SUNXI_MINIMUM_DRAM_MB
Traditionally we assumed that every Allwinner board would come with at least 256 MB of DRAM, and set our DRAM layout accordingly. This affected both the default load addresses, but also U-Boot's own address expectations (like being loaded at 160 MB). Some SoCs come with co-packaged DRAM, but only provide 32 or 64MB. So far we special-cased those *chips*, as there was only one chip per DRAM size. However new chips force us to take a more general approach. Introduce a Kconfig symbol, which provides the minimum DRAM size of the board. If nothing else is specified, we use 256 MB, and default to smaller values for those co-packaged SoCs. Then select the different DRAM maps according to this new symbol, so that different SoCs with the same DRAM size can share those definitions. Inspired by an idea from Icenowy. This is just refactoring: compiled for all boards before and after this patch: the binaries were identical. Signed-off-by: Andre Przywara --- Kconfig| 6 +++--- arch/arm/mach-sunxi/Kconfig| 12 boot/Kconfig | 4 ++-- include/configs/sunxi-common.h | 31 +-- 4 files changed, 34 insertions(+), 19 deletions(-) diff --git a/Kconfig b/Kconfig index 2ea735d38e4..d297513bac6 100644 --- a/Kconfig +++ b/Kconfig @@ -312,9 +312,9 @@ config SYS_MALLOC_LEN default 0x400 if SANDBOX default 0x200 if ARCH_ROCKCHIP || ARCH_OMAP2PLUS || ARCH_MESON default 0x20 if ARCH_BMIPS || X86 - default 0x12 if MACH_SUNIV - default 0x22 if MACH_SUN8I_V3S - default 0x402 if ARCH_SUNXI + default 0x402 if SUNXI_MINIMUM_DRAM_MB >= 256 + default 0x22 if SUNXI_MINIMUM_DRAM_MB >= 64 + default 0x12 if SUNXI_MINIMUM_DRAM_MB >= 32 default 0x40 help This defines memory to be allocated for Dynamic allocation diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 6b16f43494f..9aa66deb9fd 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -615,6 +615,18 @@ config SYS_BOARD config SYS_SOC default "sunxi" +config SUNXI_MINIMUM_DRAM_MB + int "minimum DRAM size" + default 32 if MACH_SUNIV + default 64 if MACH_SUN8I_V3S + default 256 + ---help--- + Minimum DRAM size expected on the board. Traditionally we assumed + 256 MB, so that U-Boot would load at 160MB. With co-packaged DRAM + we have smaller sizes, though, so that U-Boot's own load address and + the default payload addresses must be shifted down. + This is expected to be fixed by the SoC selection. + config UART0_PORT_F bool "UART0 on MicroSD breakout board" ---help--- diff --git a/boot/Kconfig b/boot/Kconfig index 6b3b8f072cb..45f86e946cd 100644 --- a/boot/Kconfig +++ b/boot/Kconfig @@ -499,8 +499,8 @@ config SYS_TEXT_BASE default 0x8080 if ARCH_OMAP2PLUS || ARCH_K3 default 0x8170 if MACH_SUNIV default 0x2a00 if MACH_SUN9I - default 0x42e0 if MACH_SUN8I_V3S - default 0x4a00 if ARCH_SUNXI + default 0x4a00 if SUNXI_MINIMUM_DRAM_MB >= 256 + default 0x42e0 if SUNXI_MINIMUM_DRAM_MB >= 64 hex "Text Base" help The address in memory that U-Boot will be running from, initially. diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 0f0ef4f64bb..416a0422861 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -135,7 +135,21 @@ #define FDTOVERLAY_ADDR_R __stringify(SDRAM_OFFSET(FE0)) #define RAMDISK_ADDR_R__stringify(SDRAM_OFFSET(FF0)) -#elif defined(CONFIG_MACH_SUN8I_V3S) +#elif (CONFIG_SUNXI_MINIMUM_DRAM_MB >= 256) +/* + * 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, etc. + * 32M uncompressed kernel, 16M compressed kernel, 1M fdt, + * 1M script, 1M pxe, 1M dt overlay and the ramdisk at the end. + */ +#define BOOTM_SIZE__stringify(0xa00) +#define KERNEL_ADDR_R __stringify(SDRAM_OFFSET(200)) +#define FDT_ADDR_R__stringify(SDRAM_OFFSET(300)) +#define SCRIPT_ADDR_R __stringify(SDRAM_OFFSET(310)) +#define PXEFILE_ADDR_R__stringify(SDRAM_OFFSET(320)) +#define FDTOVERLAY_ADDR_R __stringify(SDRAM_OFFSET(330)) +#define RAMDISK_ADDR_R__stringify(SDRAM_OFFSET(340)) + +#elif (CONFIG_SUNXI_MINIMUM_DRAM_MB >= 64) /* * 64M RAM minus 2MB heap + 16MB for u-boot, stack, fb, etc. * 16M uncompressed kernel, 8M compressed kernel, 1M fdt, @@ -149,7 +163,7 @@ #define FDTOVERLAY_ADDR_R __stringify(SDRAM_OFFSET(1B0)) #define RAMDISK_ADDR_R__stringify(SDRAM_OFFSET(1C0)) -#elif defined(CONFIG_MACH_SUNIV) +#elif (CONFIG_SUNXI_MINIMUM_DRAM_MB >= 32) /* * 32M RAM minus 1MB heap + 8MB for u-boot, stack, fb, etc. * 8M uncompressed kernel, 4M compressed kernel, 512K fdt, @@ -164,18 +178,7 @@ #define
