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arm: k3: j721e: add dynamic sf bus override support for j721e
implement overrides for spl_spi_boot_bus() and spl_spi_boot_cs() lookup functions according to bootmode selection, so as to support both QSPI and OSPI boot using the same build. Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com> Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
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6dd18a6568
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c16b4f14a3
2 changed files with 13 additions and 2 deletions
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@ -355,6 +355,17 @@ static u32 __get_primary_bootmedia(u32 main_devstat, u32 wkup_devstat)
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return bootmode;
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}
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u32 spl_spi_boot_bus(void)
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{
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u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
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u32 main_devstat = readl(CTRLMMR_MAIN_DEVSTAT);
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u32 bootmode = ((wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
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WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT) |
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((main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << BOOT_MODE_B_SHIFT);
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return (bootmode == BOOT_DEVICE_QSPI) ? 1 : 0;
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}
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u32 spl_boot_device(void)
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{
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u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
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@ -324,9 +324,9 @@ static void *k3_sysfw_get_spi_addr(void)
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struct udevice *dev;
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fdt_addr_t addr;
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int ret;
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unsigned int sf_bus = spl_spi_boot_bus();
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ret = uclass_find_device_by_seq(UCLASS_SPI, CONFIG_SF_DEFAULT_BUS,
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&dev);
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ret = uclass_find_device_by_seq(UCLASS_SPI, sf_bus, &dev);
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if (ret)
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return NULL;
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