1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (C) 2016-2018 Intel Corporation <www.intel.com> 4 * 5 */ 6 7 #include <common.h> 8 #include <errno.h> 9 #include <asm/io.h> 10 #include <asm/arch/handoff_s10.h> 11 12 static void sysmgr_pinmux_handoff_read(void *handoff_address, 13 const u32 **table, 14 unsigned int *table_len) 15 { 16 unsigned int handoff_entry = (swab32(readl(handoff_address + 17 S10_HANDOFF_OFFSET_LENGTH)) - 18 S10_HANDOFF_OFFSET_DATA) / 19 sizeof(unsigned int); 20 unsigned int handoff_chunk[handoff_entry], temp, i; 21 22 if (swab32(readl(S10_HANDOFF_MUX)) == S10_HANDOFF_MAGIC_MUX) { 23 /* using handoff from Quartus tools if exists */ 24 for (i = 0; i < handoff_entry; i++) { 25 temp = readl(handoff_address + 26 S10_HANDOFF_OFFSET_DATA + (i * 4)); 27 handoff_chunk[i] = swab32(temp); 28 } 29 *table = handoff_chunk; 30 *table_len = ARRAY_SIZE(handoff_chunk); 31 } 32 } 33 34 void sysmgr_pinmux_table_sel(const u32 **table, unsigned int *table_len) 35 { 36 sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_MUX, table, 37 table_len); 38 } 39 40 void sysmgr_pinmux_table_ctrl(const u32 **table, unsigned int *table_len) 41 { 42 sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_IOCTL, table, 43 table_len); 44 } 45 46 void sysmgr_pinmux_table_fpga(const u32 **table, unsigned int *table_len) 47 { 48 sysmgr_pinmux_handoff_read((void *)S10_HANDOFF_FPGA, table, 49 table_len); 50 } 51 52 void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len) 53 { 54 sysmgr_pinmux_handoff_read((void *)S10_HANODFF_DELAY, table, 55 table_len); 56 } 57
