xilinx: zynq: Add support for saving env based on bootmode
Enable saving variables to MMC(FAT), NAND, SPI based on primary bootmode. If bootmode is JTAG, dont save env anywhere(NOWHERE). Since most of the flashes on zynq evaluation boards are 16MB in size, set default ENV_OFFSET to 15MB(0xE00000). Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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@ -9,6 +9,7 @@
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#include <log.h>
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#include <dm/uclass.h>
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#include <env.h>
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#include <env_internal.h>
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#include <fdtdec.h>
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#include <fpga.h>
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#include <malloc.h>
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@ -119,3 +120,34 @@ int dram_init(void)
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return 0;
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}
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#endif
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enum env_location env_get_location(enum env_operation op, int prio)
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{
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u32 bootmode = zynq_slcr_get_boot_mode() & ZYNQ_BM_MASK;
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if (prio)
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return ENVL_UNKNOWN;
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switch (bootmode) {
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case ZYNQ_BM_SD:
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if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
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return ENVL_FAT;
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if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
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return ENVL_EXT4;
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return ENVL_UNKNOWN;
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case ZYNQ_BM_NAND:
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if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
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return ENVL_NAND;
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if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
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return ENVL_UBI;
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return ENVL_UNKNOWN;
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case ZYNQ_BM_NOR:
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case ZYNQ_BM_QSPI:
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if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
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return ENVL_SPI_FLASH;
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return ENVL_UNKNOWN;
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case ZYNQ_BM_JTAG:
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default:
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return ENVL_NOWHERE;
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}
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}
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@ -4,6 +4,7 @@ CONFIG_ARCH_ZYNQ=y
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CONFIG_SYS_TEXT_BASE=0x4000000
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CONFIG_SYS_MEMTEST_START=0x00000000
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CONFIG_SYS_MEMTEST_END=0x00001000
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CONFIG_ENV_OFFSET=0xE00000
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CONFIG_SYS_SPI_U_BOOT_OFFS=0x100000
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CONFIG_DM_GPIO=y
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CONFIG_SPL_STACK_R_ADDR=0x200000
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@ -55,7 +56,9 @@ CONFIG_CMD_MTDPARTS_SPREAD=y
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CONFIG_CMD_MTDPARTS_SHOW_NET_SIZES=y
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CONFIG_CMD_UBI=y
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CONFIG_OF_LIST="zynq-zc702 zynq-zc706 zynq-zc770-xm010 zynq-zc770-xm011 zynq-zc770-xm011-x16 zynq-zc770-xm012 zynq-zc770-xm013 zynq-cc108 zynq-microzed zynq-minized zynq-picozed zynq-zed zynq-zturn zynq-zturn-v5 zynq-zybo zynq-zybo-z7 zynq-dlc20-rev1.0"
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CONFIG_ENV_OVERWRITE=y
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CONFIG_ENV_IS_NOWHERE=y
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CONFIG_ENV_IS_IN_FAT=y
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CONFIG_ENV_IS_IN_NAND=y
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CONFIG_ENV_IS_IN_SPI_FLASH=y
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CONFIG_SYS_RELOC_GD_ENV_ADDR=y
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CONFIG_NET_RANDOM_ETHADDR=y
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