nmhw21: add NRSW support for NG800
- NRSW board features - memory layout update - boot configuration update
This commit is contained in:
Rene Straub
parent
cac1b16a16
commit
ac31507a71
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@ -433,6 +433,62 @@ static void init_pmic_spl(void)
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da9063_release_i2c_bus(bus);
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}
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struct reset_registers {
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uint32_t value;
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uint32_t value_crc;
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};
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#ifdef CONFIG_NRSW_BUILD
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/* TODO: Move ethernet crc to dedicated file */
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static uint32_t ether_crc(size_t len, uint8_t const *p)
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{
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uint32_t crc;
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unsigned i;
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crc = ~0;
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while (len--) {
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crc ^= *p++;
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for (i = 0; i < 8; i++)
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crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0);
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}
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/* an reverse the bits, cuz of way they arrive -- last-first */
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crc = (crc >> 16) | (crc << 16);
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crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
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crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
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crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
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crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
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return crc;
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}
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void check_pmic_reset_reason(unsigned int reset_reason_shm_location)
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{
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volatile struct reset_registers* reset_regs = (struct reset_registers*)reset_reason_shm_location;
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uint8_t state = 0x00;
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int bus;
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int ret;
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bus = da9063_claim_i2c_bus();
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ret = da9063_get_reg(PMIC_REG_FAULT_LOG, &state);
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if ((ret == 0) && (state != 0)) {
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if (state & PMIC_FAULT_TWD_ERROR_MASK) {
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reset_regs->value = EXTERNAL_WATCHDOG_PATTERN;
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reset_regs->value_crc = ether_crc(sizeof(reset_regs->value),
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(const uint8_t*)&(reset_regs->value));
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}
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/* clear pmic fault log by writing back all bits currently set */
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da9063_set_reg(PMIC_REG_FAULT_LOG, state);
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}
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da9063_release_i2c_bus(bus);
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}
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#endif
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void am33xx_spl_board_init(void)
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{
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/* Set CPU speed to 600 MHz (fix) */
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@ -454,6 +510,11 @@ void am33xx_spl_board_init(void)
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/* Set MPU Frequency to what we detected now that voltages are set */
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do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
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#ifdef CONFIG_NRSW_BUILD
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/* TODO: Move to board_late_init? It is not urgent to have this in SPL. */
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check_pmic_reset_reason(RESET_REASON_SHM_LOCATION);
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#endif
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/* Debugger can place marker at end of SRAM to stop boot here */
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if (is_jtag_boot(CONFIG_JTAG_MARKER_SPL))
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{
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@ -63,70 +63,112 @@ int eth_phy_timeout(void);
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#ifndef CONFIG_SPL_BUILD
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/*
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* Memory map for booting Linux
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*
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* 0x80000000 63MB KERNEL_ADDR (kernel_addr), kernel execution address
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* 0x83F00000 1MB FDT_ADDR (fdt_addr_r), device tree loading address if not included in kernel
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* 0x84000000 126MB RD_ADDR (ramdisk_addr_r), ramdisc loading address
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* 0x8BE00000 2MB PXE_ADDR (pxefile_addr_r), pxe configuration file (pxe get command)
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* 0x8C000000 1MB LOAD_ADDR (load_addr), loading address for generic files
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* 0x8C100000 63MB KERNEL_ADDR_R (kernel_addr_r), kernel loading address (will be relocated to kernel_addr)
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* 0x90000000 256MB <>, Free space 512MB systems
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* 0x80000000 32MB KERNEL_ADDR (kernel_addr), kernel execution address
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* 0x82000000 190MB KERNEL_ADDR_R (kernel_addr_r), FIT image/kernel loading address
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* kernel will be relocated kernel_addr
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* for FIT images, ramdisc and dtb will be relocated to
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* top of bootmemory (0x8e000000 downwards)
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* 0x8BE00000 1MB FDT_ADDR_R (fdt_addr_r), device tree if separate from kernel/FIT
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* 0x8BF00000 1MB PXE_ADDR (pxefile_addr_r), pxe configuration file (pxe get command)
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* 0x8C000000 32MB LOAD_ADDR (load_addr), loading address for generic files
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* <end of boot memory>
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* 0x8E000000 4B NRSW reset reason
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* 32MB <>, Free space
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* 0x90000000 256MB <>, Free space, 512MB systems
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* 0xA0000000 512MB <>, Free space, 1GB systems only
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* 0xC0000000 End of RAM
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*/
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#define KERNEL_ADDR "0x80000000"
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#define FDT_ADDR "0x83F00000"
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#define RD_ADDR "0x84000000"
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#define PXE_ADDR "0x8BE00000"
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#define KERNEL_ADDR_R "0x82000000"
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#define FDT_ADDR_R "0x8BE00000"
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#define PXE_ADDR "0x8BF00000"
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#define LOAD_ADDR "0x8C000000"
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#define KERNEL_ADDR_R "0x8C100000"
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/*
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* Avoid copying ramdisc and dtb above 512MB, as it breaks Linux boot.
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* -1 means "do not copy" to high address, use in place.
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* Limit boot memory to 256 MBytes to comply with kernel initial memory layout
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* This is the official way to restrict image load addresses.
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* Don't use xx_high_addr variables.
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*/
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#define INITRD_HIGH_ADDR "0x84000000"
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#define FDT_HIGH_ADDR "0xffffffff"
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#define BOOTM_SIZE "0x0E000000"
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/* Set boot command depending of software environment */
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#ifndef CONFIG_NRSW_BUILD
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/* Yocto/OSTree boot command */
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#define MAIN_BOOTCMD "boot_ostree"
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#else
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/* NRSW boot command */
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#define MAIN_BOOTCMD "run sdboot"
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#endif
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"fdt_image=am335x-nmhw21-prod1.dtb\0" \
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"fdt_addr_r=" FDT_ADDR "\0" \
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"fdt_high=" FDT_HIGH_ADDR "\0" \
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"initrd_high=" INITRD_HIGH_ADDR "\0" \
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"kernel_addr=" KERNEL_ADDR "\0" \
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/* Memory Adresses */ \
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"fdt_addr_r=" FDT_ADDR_R "\0" \
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"kernel_addr=" KERNEL_ADDR "\0" /* NRSW only */ \
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"kernel_addr_r=" KERNEL_ADDR_R "\0" \
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"load_addr=" LOAD_ADDR "\0" \
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"pxefile_addr_r=" PXE_ADDR "\0" \
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"ramdisk_addr_r=" RD_ADDR "\0" \
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"bootm_size=" BOOTM_SIZE "\0" \
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\
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/* Misc */ \
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"defaultconsole=ttyS2\0" \
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"fdt_skip_update=yes\0" \
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"bootdelay=0\0" \
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\
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/* Networking */ \
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"ethprime=cpsw\0" \
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"ethopts=ti_cpsw.rx_packet_max=1526\0" \
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"ipaddr=192.168.1.1\0" \
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"serverip=192.168.1.254\0" \
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"tftptimeout=2000\0" \
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"tftptimeoutcountmax=5\0" \
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"bootpretryperiod=10000\0" /* 2000 */ \
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"autoload=false\0" \
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\
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/* OSTree boot */ \
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"bootcmd_otenv=ext4load mmc 1:1 $load_addr /boot/loader/uEnv.txt; " \
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"setenv bootargs_prev $bootargs; " \
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"env import -t $load_addr $filesize; setenv bootargs $bootargs_prev $bootargs root=/dev/ram0 console=$defaultconsole,115200 " \
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"$ethopts rw ostree_root=/dev/mmcblk1p1\0" \
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"bootcmd_rd_in_mmc=ext4load mmc 1:1 $kernel_addr_r /boot$kernel_image; " \
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"bootm $kernel_addr_r\0" \
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"bootcmd=run bootcmd_otenv; run bootcmd_rd_in_mmc\0" \
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"bootdelay=0\0" \
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"ipaddr=192.168.1.1\0" \
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"serverip=192.168.1.254\0" \
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"tftptimeout=2000\0" \
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"tftptimeoutcountmax=5\0" \
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"bootpretryperiod=10000\0" \
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"autoload=false\0" \
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"tftp_recovery=tftpboot $kernel_addr recovery-image; tftpboot $fdt_addr_r recovery-dtb; " \
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"setenv bootargs rdinit=/etc/preinit console=$defaultconsole,115200 " \
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"debug ethopts; " \
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"bootz $kernel_addr - $fdt_addr_r\0" \
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"pxe_recovery=mdio up $ethprime && dhcp && pxe get && pxe boot\0" \
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"boot_ostree=run bootcmd_otenv; run bootcmd_rd_in_mmc\0" \
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\
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/* NRSW boot */ \
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"root_part=1\0" /* from NRSW, required here? set from board.c */ \
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"kernel_image=kernel.bin\0" \
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"fdt_image=am335x-nmhw24-prod1.dtb\0" /* diff, openwrt-nrhw24-nb801.dtb, not relevant as it will be overwritten */ \
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"add_sd_bootargs=setenv bootargs $bootargs root=/dev/${mmc_dev}p$root_part rootfstype=ext4 " \
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"console=$defaultconsole,115200 rootwait loglevel=4 ti_cpsw.rx_packet_max=1526\0" \
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"add_version_bootargs=setenv bootargs $bootargs\0" \
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"sdbringup=echo Try bringup boot && ext4load mmc 1:$root_part $kernel_addr /boot/zImage && " \
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"ext4load mmc 1:$root_part $fdt_addr /boot/$fdt_image && setenv bootargs $bootargs rw;\0" \
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"sdprod=ext4load mmc 1:$root_part $kernel_addr /boot/$kernel_image && " \
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"ext4load mmc 1:$root_part $fdt_addr /boot/$fdt_image && setenv bootargs $bootargs ro;\0" \
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"sdboot=env set fdt_addr " FDT_ADDR_R "; "\
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"if mmc dev 1; then echo Copying Linux from SD to RAM...; "\
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"if test -e mmc 1:$root_part /boot/$kernel_image; then run sdprod; " \
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"else run sdbringup; fi; " \
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/* For v4.19 kernel $mmc_dev should be "mmcblk1" (read from DT), for v3.18 kernel: "mmcblk0" */ \
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"fdt addr $fdt_addr;if fdt get value mmc_dev /nm_env nm,mmc-dev;then;else setenv mmc_dev mmcblk0;fi;" \
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"run add_sd_bootargs; run add_version_bootargs; " \
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"bootz $kernel_addr - $fdt_addr; fi\0" \
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\
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/* Boot command */ \
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"bootcmd=" MAIN_BOOTCMD "\0" \
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\
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/* Recovery boot (same for OSTree and NRSW) */ \
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"recovery=run pxe_recovery || setenv ipaddr $ipaddr; setenv serverip $serverip; run tftp_recovery\0" \
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/* setenv ipaddr and serverip is necessary, because dhclient can destroy the IPs internally */
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/* setenv ipaddr and serverip is necessary, because dhclient destroys the IPs internally */ \
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"pxe_recovery=mdio up $ethprime && dhcp && pxe get && pxe boot\0" \
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"tftp_recovery=tftpboot $kernel_addr_r recovery-image; tftpboot $fdt_addr_r recovery-dtb; " \
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"setenv bootargs rdinit=/etc/preinit console=$defaultconsole,115200 " \
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"debug $ethopts; " \
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"bootz $kernel_addr_r - $fdt_addr_r\0" /* kernel_addr_r */
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#endif
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#define CONFIG_ZERO_BOOTDELAY_CHECK
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@ -234,6 +276,18 @@ int eth_phy_timeout(void);
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#define CONFIG_SYS_MEMTEST_START 0x84000000
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#define CONFIG_SYS_MEMTEST_END 0x87900000
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#ifdef CONFIG_NRSW_BUILD
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/* support for NM packed bootloader */
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#define CONFIG_NM_BOOTLOADER_FORMAT
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/* password protected login */
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#define CONFIG_CRYPT
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#define CONFIG_NM_LOGIN
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#define CONFIG_NM_LOGIN_PART "1:3" /* TODO: Define location of file for OSTree/Yocto */
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#define CONFIG_NM_LOGIN_PASSWD "/root/boot/bootpass"
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#endif
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#define CONFIG_CMD_PXE
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#define CONFIG_OF_BOARD_SETUP
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@ -241,6 +295,13 @@ int eth_phy_timeout(void);
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#define CONFIG_JTAG_MARKER_SPL 0x402FFF00
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#define CONFIG_JTAG_MARKER_UBOOT 0x807FFF00
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/* NRSW PMIC Reset Reason */
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#ifdef CONFIG_NRSW_BUILD
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#define RESET_REASON_SHM_LOCATION 0x8e000000
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#define EXTERNAL_WATCHDOG_PATTERN 0x781f9ce2
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#endif
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/* SPL command is not needed */
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#undef CONFIG_CMD_SPL
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