diff options
Diffstat (limited to 'arch/x86/cpu/tangier')
| -rw-r--r-- | arch/x86/cpu/tangier/Kconfig | 8 | ||||
| -rw-r--r-- | arch/x86/cpu/tangier/sdram.c | 43 |
2 files changed, 46 insertions, 5 deletions
diff --git a/arch/x86/cpu/tangier/Kconfig b/arch/x86/cpu/tangier/Kconfig index 571470c74b..19aaf165d6 100644 --- a/arch/x86/cpu/tangier/Kconfig +++ b/arch/x86/cpu/tangier/Kconfig @@ -10,9 +10,11 @@ config INTEL_TANGIER imply MMC_SDHCI imply MMC_SDHCI_SDMA imply MMC_SDHCI_TANGIER + imply MISC imply USB + imply USB_XHCI_HCD imply USB_DWC3 - imply BINMAN + imply USB_DWC3_GENERIC if INTEL_TANGIER @@ -27,8 +29,4 @@ config SYS_CAR_SIZE Space in bytes in eSRAM used as Cache-As-RAM (CAR). Note this size must not exceed eSRAM's total size. -config SYS_USB_OTG_BASE - hex - default 0xf9100000 - endif diff --git a/arch/x86/cpu/tangier/sdram.c b/arch/x86/cpu/tangier/sdram.c index df3b9e4ec9..afb08476ed 100644 --- a/arch/x86/cpu/tangier/sdram.c +++ b/arch/x86/cpu/tangier/sdram.c @@ -196,6 +196,49 @@ unsigned int install_e820_map(unsigned int max_entries, return sfi_setup_e820(max_entries, entries); } +/* + * This function looks for the highest region of memory lower than 2GB which + * has enough space for U-Boot where U-Boot is aligned on a page boundary. It + * overrides the default implementation found elsewhere which simply picks the + * end of RAM, wherever that may be. The location of the stack, the relocation + * address, and how far U-Boot is moved by relocation are set in the global + * data structure. + */ +ulong board_get_usable_ram_top(ulong total_size) +{ + struct sfi_table_simple *sb; + struct sfi_mem_entry *mentry; + ulong dest_addr = 0; + u32 i; + + sb = sfi_search_mmap(); + if (!sb) + panic("No available memory found for relocation"); + + sfi_for_each_mentry(i, sb, mentry) { + unsigned long long start, end; + + if (mentry->type != SFI_MEM_CONV) + continue; + + start = mentry->phys_start; + end = start + (mentry->pages << 12); + + /* Filter memory over 2GB. */ + if (end > 0x7fffffffULL) + end = 0x80000000ULL; + /* Skip this region if it's too small. */ + if (end - start < total_size) + continue; + + /* Use this address if it's the largest so far. */ + if (end > dest_addr) + dest_addr = end; + } + + return dest_addr; +} + int dram_init_banksize(void) { sfi_get_bank_size(); |