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arm: mach-k3: am62a7: Provide a way to obtain boot device for non SPLs
Introduce get_boot_device() to obtain the booting device. Make it also available for non SPL builds so u-boot can also know the device it is booting from. Signed-off-by: Garrett Giordano <ggiordano@phytec.com> Reviewed-by: Bryan Brattlof <bb@ti.com> Reviewed-by: Andrew Davis <afd@ti.com>
This commit is contained in:
Garrett Giordano
Tom Rini
parent
53d5f896e9
commit
5c54452042
3 changed files with 108 additions and 96 deletions
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@ -5,3 +5,4 @@
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obj-$(CONFIG_OF_SYSTEM_SETUP) += am62a7_fdt.o
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obj-$(CONFIG_XPL_BUILD) += am62a7_init.o
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obj-y += boot.o
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@ -171,102 +171,7 @@ void board_init_f(ulong dummy)
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debug("am62a_init: %s done\n", __func__);
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}
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static u32 __get_backup_bootmedia(u32 devstat)
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{
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u32 bkup_bootmode = (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >>
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MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT;
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u32 bkup_bootmode_cfg =
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(devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >>
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MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT;
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switch (bkup_bootmode) {
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case BACKUP_BOOT_DEVICE_UART:
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return BOOT_DEVICE_UART;
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case BACKUP_BOOT_DEVICE_USB:
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return BOOT_DEVICE_USB;
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case BACKUP_BOOT_DEVICE_ETHERNET:
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return BOOT_DEVICE_ETHERNET;
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case BACKUP_BOOT_DEVICE_MMC:
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if (bkup_bootmode_cfg)
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return BOOT_DEVICE_MMC2;
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return BOOT_DEVICE_MMC1;
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case BACKUP_BOOT_DEVICE_SPI:
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return BOOT_DEVICE_SPI;
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case BACKUP_BOOT_DEVICE_I2C:
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return BOOT_DEVICE_I2C;
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case BACKUP_BOOT_DEVICE_DFU:
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if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK)
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return BOOT_DEVICE_USB;
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return BOOT_DEVICE_DFU;
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};
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return BOOT_DEVICE_RAM;
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}
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static u32 __get_primary_bootmedia(u32 devstat)
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{
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u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
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MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
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u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >>
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MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT;
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switch (bootmode) {
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case BOOT_DEVICE_OSPI:
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fallthrough;
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case BOOT_DEVICE_QSPI:
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fallthrough;
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case BOOT_DEVICE_XSPI:
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fallthrough;
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case BOOT_DEVICE_SPI:
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return BOOT_DEVICE_SPI;
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case BOOT_DEVICE_ETHERNET_RGMII:
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fallthrough;
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case BOOT_DEVICE_ETHERNET_RMII:
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return BOOT_DEVICE_ETHERNET;
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case BOOT_DEVICE_EMMC:
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return BOOT_DEVICE_MMC1;
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case BOOT_DEVICE_SPI_NAND:
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return BOOT_DEVICE_SPINAND;
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case BOOT_DEVICE_MMC:
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if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >>
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MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT)
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return BOOT_DEVICE_MMC2;
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return BOOT_DEVICE_MMC1;
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case BOOT_DEVICE_DFU:
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if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >>
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MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT)
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return BOOT_DEVICE_USB;
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return BOOT_DEVICE_DFU;
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case BOOT_DEVICE_NOBOOT:
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return BOOT_DEVICE_RAM;
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}
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return bootmode;
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}
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u32 spl_boot_device(void)
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{
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u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
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u32 bootmedia;
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if (bootindex == K3_PRIMARY_BOOTMODE)
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bootmedia = __get_primary_bootmedia(devstat);
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else
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bootmedia = __get_backup_bootmedia(devstat);
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debug("am62a_init: %s: devstat = 0x%x bootmedia = 0x%x bootindex = %d\n",
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__func__, devstat, bootmedia, bootindex);
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return bootmedia;
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return get_boot_device();
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}
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106
arch/arm/mach-k3/am62ax/boot.c
Normal file
106
arch/arm/mach-k3/am62ax/boot.c
Normal file
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@ -0,0 +1,106 @@
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// SPDX-License-Identifier: GPL-2.0+
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/am62a_spl.h>
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static u32 __get_backup_bootmedia(u32 devstat)
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{
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u32 bkup_bootmode = (devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK) >>
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MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT;
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u32 bkup_bootmode_cfg =
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(devstat & MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK) >>
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MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT;
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switch (bkup_bootmode) {
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case BACKUP_BOOT_DEVICE_UART:
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return BOOT_DEVICE_UART;
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case BACKUP_BOOT_DEVICE_USB:
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return BOOT_DEVICE_USB;
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case BACKUP_BOOT_DEVICE_ETHERNET:
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return BOOT_DEVICE_ETHERNET;
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case BACKUP_BOOT_DEVICE_MMC:
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if (bkup_bootmode_cfg)
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return BOOT_DEVICE_MMC2;
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return BOOT_DEVICE_MMC1;
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case BACKUP_BOOT_DEVICE_SPI:
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return BOOT_DEVICE_SPI;
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case BACKUP_BOOT_DEVICE_I2C:
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return BOOT_DEVICE_I2C;
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case BACKUP_BOOT_DEVICE_DFU:
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if (bkup_bootmode_cfg & MAIN_DEVSTAT_BACKUP_USB_MODE_MASK)
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return BOOT_DEVICE_USB;
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return BOOT_DEVICE_DFU;
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};
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return BOOT_DEVICE_RAM;
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}
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static u32 __get_primary_bootmedia(u32 devstat)
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{
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u32 bootmode = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
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MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
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u32 bootmode_cfg = (devstat & MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK) >>
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MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT;
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switch (bootmode) {
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case BOOT_DEVICE_OSPI:
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fallthrough;
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case BOOT_DEVICE_QSPI:
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fallthrough;
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case BOOT_DEVICE_XSPI:
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fallthrough;
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case BOOT_DEVICE_SPI:
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return BOOT_DEVICE_SPI;
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case BOOT_DEVICE_ETHERNET_RGMII:
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fallthrough;
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case BOOT_DEVICE_ETHERNET_RMII:
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return BOOT_DEVICE_ETHERNET;
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case BOOT_DEVICE_EMMC:
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return BOOT_DEVICE_MMC1;
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case BOOT_DEVICE_SPI_NAND:
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return BOOT_DEVICE_SPINAND;
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case BOOT_DEVICE_MMC:
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if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK) >>
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MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT)
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return BOOT_DEVICE_MMC2;
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return BOOT_DEVICE_MMC1;
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case BOOT_DEVICE_DFU:
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if ((bootmode_cfg & MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK) >>
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MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT)
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return BOOT_DEVICE_USB;
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return BOOT_DEVICE_DFU;
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case BOOT_DEVICE_NOBOOT:
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return BOOT_DEVICE_RAM;
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}
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return bootmode;
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}
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u32 get_boot_device(void)
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{
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u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
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u32 bootmode = *(u32 *)(K3_BOOT_PARAM_TABLE_INDEX_OCRAM);
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u32 bootmedia;
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if (bootmode == K3_PRIMARY_BOOTMODE)
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bootmedia = __get_primary_bootmedia(devstat);
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else
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bootmedia = __get_backup_bootmedia(devstat);
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debug("%s: devstat = 0x%x bootmedia = 0x%x bootmode = %d\n",
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__func__, devstat, bootmedia, bootmode);
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return bootmedia;
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}
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