[U-Boot] [PATCH v3] ARM64: zynqmp: Add support for standard distro boot commands
Alexander Graf
agraf at suse.de
Thu Jun 2 11:44:31 CEST 2016
On 02.06.16 11:29, Michal Simek wrote:
> Nand and QSPI are not defined now but this will be extended.
> Based on selected bootmode boot_targets are rewritten.
> Patch also contains detection if variables are saved. If yes don't
> rewrite boot_targets variable.
>
> Also move variable setup to the end of file because SCSI needs to be
> defined before others macros are using it.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
> Changes in v3:
> - Fix buffer overflow reported by Alexander
> - Remove also unused variables from board files
>
> Changes in v2:
> - Append default boot_targets to the list
>
> Patch depends on
> "env: Setup GD_FLG_ENV_DEFAULT flag when default environment are used"
>
> ---
> board/xilinx/zynqmp/zynqmp.c | 31 ++++++++++---
> include/configs/xilinx_zynqmp.h | 59 ++++++++++++++++++------
> include/configs/xilinx_zynqmp_ep.h | 7 ---
> include/configs/xilinx_zynqmp_zc1751_xm015_dc1.h | 7 ---
> include/configs/xilinx_zynqmp_zc1751_xm016_dc2.h | 7 ---
> include/configs/xilinx_zynqmp_zc1751_xm018_dc4.h | 7 ---
> include/configs/xilinx_zynqmp_zc1751_xm019_dc5.h | 7 ---
> include/configs/xilinx_zynqmp_zcu102.h | 7 ---
> 8 files changed, 68 insertions(+), 64 deletions(-)
>
> diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
> index 4623cd49e9c7..db240d92f17c 100644
> --- a/board/xilinx/zynqmp/zynqmp.c
> +++ b/board/xilinx/zynqmp/zynqmp.c
> @@ -9,6 +9,7 @@
> #include <sata.h>
> #include <ahci.h>
> #include <scsi.h>
> +#include <malloc.h>
> #include <asm/arch/clk.h>
> #include <asm/arch/hardware.h>
> #include <asm/arch/sys_proto.h>
> @@ -214,6 +215,13 @@ int board_late_init(void)
> {
> u32 reg = 0;
> u8 bootmode;
> + const char *mode;
> + char *new_targets;
> +
> + if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
> + debug("Saved variables - Skipping\n");
> + return 0;
> + }
>
> reg = readl(&crlapb_base->boot_mode);
> bootmode = reg & BOOT_MODES_MASK;
> @@ -222,37 +230,46 @@ int board_late_init(void)
> switch (bootmode) {
> case JTAG_MODE:
> puts("JTAG_MODE\n");
> - setenv("modeboot", "jtagboot");
> + mode = "pxe dhcp";
> break;
> case QSPI_MODE_24BIT:
> case QSPI_MODE_32BIT:
> - setenv("modeboot", "qspiboot");
> + mode = "qspi0";
> puts("QSPI_MODE\n");
> break;
> case EMMC_MODE:
> puts("EMMC_MODE\n");
> - setenv("modeboot", "sdboot");
> + mode = "mmc0";
> break;
> case SD_MODE:
> puts("SD_MODE\n");
> - setenv("modeboot", "sdboot");
> + mode = "mmc0";
> break;
> case SD_MODE1:
> puts("SD_MODE1\n");
> #if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)
> - setenv("sdbootdev", "1");
> + mode = "mmc1";
> +#else
> + mode = "mmc0";
> #endif
> - setenv("modeboot", "sdboot");
> break;
> case NAND_MODE:
> puts("NAND_MODE\n");
> - setenv("modeboot", "nandboot");
> + mode = "nand0";
> break;
> default:
> + mode = "";
> printf("Invalid Boot Mode:0x%x\n", bootmode);
> break;
> }
>
> + /* One terminating char */
> + new_targets = calloc(1, strlen(mode) +
> + strlen(getenv("boot_targets")) + 1);
This is still missing the space in the reservation :).
Alex
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