[PATCHv2 6/9] arm64: layerscape: Move GIC RD tables initialization to CPU setup function

Z.q. Hou zhiqiang.hou at nxp.com
Sat Apr 25 10:41:22 CEST 2020


Hi Wasim,

Thanks a lot for your review!

Regards,
Zhiqiang

> -----Original Message-----
> From: Wasim Khan <wasim.khan at nxp.com>
> Sent: 2020年4月21日 15:40
> To: Z.q. Hou <zhiqiang.hou at nxp.com>; u-boot at lists.denx.de; Priyanka Jain
> <priyanka.jain at nxp.com>; Biwen Li <biwen.li at nxp.com>
> Cc: Z.q. Hou <zhiqiang.hou at nxp.com>
> Subject: RE: [PATCHv2 6/9] arm64: layerscape: Move GIC RD tables
> initialization to CPU setup function
> 
> 
> 
> > -----Original Message-----
> > From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Zhiqiang Hou
> > Sent: Tuesday, March 24, 2020 1:42 PM
> > To: u-boot at lists.denx.de; Priyanka Jain <priyanka.jain at nxp.com>; Biwen
> > Li <biwen.li at nxp.com>
> > Cc: Z.q. Hou <zhiqiang.hou at nxp.com>
> > Subject: [PATCHv2 6/9] arm64: layerscape: Move GIC RD tables
> > initialization to CPU setup function
> >
> > From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> >
> > Move GIC redistributor tables initialization to CPU setup function.
> >
> > This patch introduces a GIC redistributor tables init function, and
> > moves the function of reserving memory for GIC redistributor tables to
> > soc.c and adds a argument for the memory size to reserve, BTW rename
> > the function so that it is more readable.
> >
> > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> Reviewed-by: Wasim Khan <wasim.khan at nxp.com>
> 
> > ---
> > V2:
> >  - New patch.
> >
> >  arch/arm/cpu/armv8/fsl-layerscape/fdt.c       |  4 ++
> >  arch/arm/cpu/armv8/fsl-layerscape/soc.c       | 44
> +++++++++++++++++++
> >  .../arm/include/asm/arch-fsl-layerscape/soc.h |  4 ++
> >  board/freescale/lx2160a/lx2160a.c             | 28 ------------
> >  4 files changed, 52 insertions(+), 28 deletions(-)
> >
> > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> > b/arch/arm/cpu/armv8/fsl- layerscape/fdt.c index
> > 87c3e05f45..36e0a2380e 100644
> > --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> > +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
> > @@ -462,6 +462,10 @@ void ft_cpu_setup(void *blob, bd_t *bd)
> >  	do_fixup_by_path_u32(blob, "/sysclk", "clock-frequency",
> >  			     CONFIG_SYS_CLK_FREQ, 1);
> >
> > +#ifdef CONFIG_GIC_V3_ITS
> > +	ls_gic_rd_tables_init(blob);
> > +#endif
> > +
> >  #if defined(CONFIG_PCIE_LAYERSCAPE) ||
> > defined(CONFIG_PCIE_LAYERSCAPE_GEN4)
> >  	ft_pci_setup(blob, bd);
> >  #endif
> > diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> > b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> > index d0e10cb007..28bb1d7401 100644
> > --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> > +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> > @@ -6,10 +6,12 @@
> >
> >  #include <common.h>
> >  #include <clock_legacy.h>
> > +#include <cpu_func.h>
> >  #include <env.h>
> >  #include <fsl_immap.h>
> >  #include <fsl_ifc.h>
> >  #include <init.h>
> > +#include <linux/sizes.h>
> >  #include <asm/arch/fsl_serdes.h>
> >  #include <asm/arch/soc.h>
> >  #include <asm/io.h>
> > @@ -17,6 +19,7 @@
> >  #include <asm/arch-fsl-layerscape/config.h>
> >  #include <asm/arch-fsl-layerscape/ns_access.h>
> >  #include <asm/arch-fsl-layerscape/fsl_icid.h>
> > +#include <asm/gic-v3.h>
> >  #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
> >  #include <fsl_csu.h>
> >  #endif
> > @@ -30,9 +33,50 @@
> >  #include <fsl_immap.h>
> >  #ifdef CONFIG_TFABOOT
> >  #include <env_internal.h>
> > +#endif
> > +#if defined(CONFIG_TFABOOT) || defined(CONFIG_GIC_V3_ITS)
> >  DECLARE_GLOBAL_DATA_PTR;
> >  #endif
> >
> > +#ifdef CONFIG_GIC_V3_ITS
> > +#define PENDTABLE_MAX_SZ	ALIGN(BIT(ITS_MAX_LPI_NRBITS), SZ_64K)
> > +#define PROPTABLE_MAX_SZ	ALIGN(BIT(ITS_MAX_LPI_NRBITS) / 8,
> SZ_64K)
> > +#define GIC_LPI_SIZE		ALIGN(cpu_numcores() *
> PENDTABLE_MAX_SZ
> > + \
> > +				PROPTABLE_MAX_SZ, SZ_1M)
> > +static int fdt_add_resv_mem_gic_rd_tables(void *blob, u64 base,
> > +size_t
> > +size) {
> > +	u32 phandle;
> > +	int err;
> > +	struct fdt_memory gic_rd_tables;
> > +
> > +	gic_rd_tables.start = base;
> > +	gic_rd_tables.end = base + size - 1;
> > +	err = fdtdec_add_reserved_memory(blob, "gic-rd-tables",
> > &gic_rd_tables,
> > +					 &phandle);
> > +	if (err < 0)
> > +		debug("%s: failed to add reserved memory: %d\n", __func__,
> > err);
> > +
> > +	return err;
> > +}
> > +
> > +int ls_gic_rd_tables_init(void *blob) {
> > +	u64 gic_lpi_base;
> > +	int ret;
> > +
> > +	gic_lpi_base = ALIGN(gd->arch.resv_ram - GIC_LPI_SIZE, SZ_64K);
> > +	ret = fdt_add_resv_mem_gic_rd_tables(blob, gic_lpi_base,
> > GIC_LPI_SIZE);
> > +	if (ret)
> > +		return ret;
> > +
> > +	ret = gic_lpi_tables_init(gic_lpi_base, cpu_numcores());
> > +	if (ret)
> > +		debug("%s: failed to init gic-lpi-tables\n", __func__);
> > +
> > +	return ret;
> > +}
> > +#endif
> > +
> >  bool soc_has_dp_ddr(void)
> >  {
> >  	struct ccsr_gur __iomem *gur = (void
> *)(CONFIG_SYS_FSL_GUTS_ADDR);
> > diff --git a/arch/arm/include/asm/arch-fsl- layerscape/soc.h
> > b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
> > index c62d414aac..020548ac6c 100644
> > --- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h
> > +++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
> > @@ -158,6 +158,10 @@ void erratum_a010315(void);
> >
> >  bool soc_has_dp_ddr(void);
> >  bool soc_has_aiop(void);
> > +
> > +#ifdef CONFIG_GIC_V3_ITS
> > +int ls_gic_rd_tables_init(void *blob); #endif
> >  #endif
> >
> >  #endif /* _ASM_ARMV8_FSL_LAYERSCAPE_SOC_H_ */ diff --git
> > a/board/freescale/lx2160a/lx2160a.c
> b/board/freescale/lx2160a/lx2160a.c
> > index c8e962ce3d..cd6a9a34ac 100644
> > --- a/board/freescale/lx2160a/lx2160a.c
> > +++ b/board/freescale/lx2160a/lx2160a.c
> > @@ -5,7 +5,6 @@
> >
> >  #include <common.h>
> >  #include <clock_legacy.h>
> > -#include <cpu_func.h>
> >  #include <dm.h>
> >  #include <dm/platform_data/serial_pl01x.h>  #include <i2c.h> @@
> -17,7 +16,6
> > @@  #include <asm/io.h>  #include <fdt_support.h>  #include
> <linux/libfdt.h> -
> > #include <linux/sizes.h>  #include <fsl-mc/fsl_mc.h>  #include
> <env_internal.h>
> > #include <efi_loader.h> @@ -31,13 +29,11 @@  #include
> "../common/vid.h"
> >  #include <fsl_immap.h>
> >  #include <asm/arch-fsl-layerscape/fsl_icid.h>
> > -#include <asm/gic-v3.h>
> >
> >  #ifdef CONFIG_EMC2305
> >  #include "../common/emc2305.h"
> >  #endif
> >
> > -#define GIC_LPI_SIZE                             0x200000
> >  #ifdef CONFIG_TARGET_LX2160AQDS
> >  #define CFG_MUX_I2C_SDHC(reg, value)		((reg & 0x3f) | value)
> >  #define SET_CFG_MUX1_SDHC1_SDHC(reg)		(reg & 0x3f)
> > @@ -631,21 +627,6 @@ void board_quiesce_devices(void)  }  #endif
> >
> > -#ifdef CONFIG_GIC_V3_ITS
> > -void fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base) -{
> > -	u32 phandle;
> > -	int err;
> > -	struct fdt_memory gic_lpi;
> > -
> > -	gic_lpi.start = gic_lpi_base;
> > -	gic_lpi.end = gic_lpi_base + GIC_LPI_SIZE - 1;
> > -	err = fdtdec_add_reserved_memory(blob, "gic-lpi", &gic_lpi, &phandle);
> > -	if (err < 0)
> > -		debug("failed to add reserved memory: %d\n", err);
> > -}
> > -#endif
> > -
> >  #ifdef CONFIG_OF_BOARD_SETUP
> >  int ft_board_setup(void *blob, bd_t *bd)  { @@ -657,8 +638,6 @@ int
> > ft_board_setup(void *blob, bd_t *bd)
> >  	u64 mc_memory_base = 0;
> >  	u64 mc_memory_size = 0;
> >  	u16 total_memory_banks;
> > -	u64 gic_lpi_base;
> > -	int ret;
> >
> >  	ft_cpu_setup(blob, bd);
> >
> > @@ -678,13 +657,6 @@ int ft_board_setup(void *blob, bd_t *bd)
> >  		size[i] = gd->bd->bi_dram[i].size;
> >  	}
> >
> > -#ifdef CONFIG_GIC_V3_ITS
> > -	gic_lpi_base = ALIGN(gd->arch.resv_ram - GIC_LPI_SIZE, SZ_64K);
> > -	ret = fdt_fixup_gic_lpi_memory(blob, gic_lpi_base);
> > -	if (!ret && gic_lpi_tables_init(gic_lpi_base, cpu_numcores()))
> > -		debug("%s: failed to init gic-lpi-tables\n", __func__);
> > -#endif
> > -
> >  #ifdef CONFIG_RESV_RAM
> >  	/* reduce size if reserved memory is within this bank */
> >  	if (gd->arch.resv_ram >= base[0] &&
> > --
> > 2.17.1



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