From 32471729d9ebbabe809711ec55568925c6ce2070 Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Mon, 20 Apr 2015 15:20:28 -0700 Subject: Braswell: Add Braswell SOC support Add the files to support the Braswell SOC. BRANCH=none BUG=None TEST=Build for a Braswell platform Change-Id: I968da68733e57647d0a08e4040ff0378b4d59004 Signed-off-by: Lee Leahy Reviewed-on: http://review.coreboot.org/10051 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/braswell/iosf.c | 261 ++++++++++++++---------------------------- 1 file changed, 85 insertions(+), 176 deletions(-) (limited to 'src/soc/intel/braswell/iosf.c') diff --git a/src/soc/intel/braswell/iosf.c b/src/soc/intel/braswell/iosf.c index f1ac606487..98495db0e7 100644 --- a/src/soc/intel/braswell/iosf.c +++ b/src/soc/intel/braswell/iosf.c @@ -2,13 +2,14 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google, Inc. + * Copyright (C) 2015 Intel Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of + * but WITHOUT ANY WARRANTY; without even the implied wacbmem_entryanty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * @@ -18,18 +19,19 @@ */ #include +#include #include -#if !defined(__PRE_RAM__) +#if ENV_RAMSTAGE #define IOSF_PCI_BASE (CONFIG_MMCONF_BASE_ADDRESS + (IOSF_PCI_DEV << 12)) static inline void write_iosf_reg(int reg, uint32_t value) { - write32((u32 *)(IOSF_PCI_BASE + reg), value); + write32((void *)(IOSF_PCI_BASE + reg), value); } static inline uint32_t read_iosf_reg(int reg) { - return read32((u32 *)(IOSF_PCI_BASE + reg)); + return read32((void *)(IOSF_PCI_BASE + reg)); } #else static inline void write_iosf_reg(int reg, uint32_t value) @@ -40,7 +42,7 @@ static inline uint32_t read_iosf_reg(int reg) { return pci_read_config32(IOSF_PCI_DEV, reg); } -#endif +#endif /* ENV_RAMSTAGE */ /* Common sequences for all the port accesses. */ static uint32_t iosf_read_port(uint32_t cr, int reg) @@ -60,9 +62,9 @@ static void iosf_write_port(uint32_t cr, int reg, uint32_t val) } #define IOSF_READ(port) \ - IOSF_OPCODE(IOSF_OP_READ_##port) | IOSF_PORT(IOSF_PORT_##port) + (IOSF_OPCODE(IOSF_OP_READ_##port) | IOSF_PORT(IOSF_PORT_##port)) #define IOSF_WRITE(port) \ - IOSF_OPCODE(IOSF_OP_WRITE_##port) | IOSF_PORT(IOSF_PORT_##port) + (IOSF_OPCODE(IOSF_OP_WRITE_##port) | IOSF_PORT(IOSF_PORT_##port)) uint32_t iosf_bunit_read(int reg) { @@ -74,28 +76,6 @@ void iosf_bunit_write(int reg, uint32_t val) iosf_write_port(IOSF_WRITE(BUNIT), reg, val); } -uint32_t iosf_dunit_read(int reg) -{ - return iosf_read_port(IOSF_READ(SYSMEMC), reg); -} - -uint32_t iosf_dunit_ch0_read(int reg) -{ - return iosf_dunit_read(reg); -} - -uint32_t iosf_dunit_ch1_read(int reg) -{ - uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_SYSMEMC) | - IOSF_PORT(IOSF_PORT_DUNIT_CH1); - return iosf_read_port(cr, reg); -} - -void iosf_dunit_write(int reg, uint32_t val) -{ - iosf_write_port(IOSF_WRITE(SYSMEMC), reg, val); -} - uint32_t iosf_punit_read(int reg) { return iosf_read_port(IOSF_READ(PMC), reg); @@ -106,24 +86,14 @@ void iosf_punit_write(int reg, uint32_t val) iosf_write_port(IOSF_WRITE(PMC), reg, val); } -uint32_t iosf_usbphy_read(int reg) -{ - return iosf_read_port(IOSF_READ(USBPHY), reg); -} - -void iosf_usbphy_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(USBPHY), reg, val); -} - -uint32_t iosf_ushphy_read(int reg) +uint32_t iosf_score_read(int reg) { - return iosf_read_port(IOSF_READ(USHPHY), reg); + return iosf_read_port(IOSF_READ(SCORE), reg); } -void iosf_ushphy_write(int reg, uint32_t val) +void iosf_score_write(int reg, uint32_t val) { - return iosf_write_port(IOSF_WRITE(USHPHY), reg, val); + iosf_write_port(IOSF_WRITE(SCORE), reg, val); } uint32_t iosf_lpss_read(int reg) @@ -133,27 +103,17 @@ uint32_t iosf_lpss_read(int reg) void iosf_lpss_write(int reg, uint32_t val) { - return iosf_write_port(IOSF_WRITE(LPSS), reg, val); -} - -uint32_t iosf_ccu_read(int reg) -{ - return iosf_read_port(IOSF_READ(CCU), reg); -} - -void iosf_ccu_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(CCU), reg, val); + iosf_write_port(IOSF_WRITE(LPSS), reg, val); } -uint32_t iosf_score_read(int reg) +uint32_t iosf_port58_read(int reg) { - return iosf_read_port(IOSF_READ(SCORE), reg); + return iosf_read_port(IOSF_READ(0x58), reg); } -void iosf_score_write(int reg, uint32_t val) +void iosf_port58_write(int reg, uint32_t val) { - return iosf_write_port(IOSF_WRITE(SCORE), reg, val); + iosf_write_port(IOSF_WRITE(0x58), reg, val); } uint32_t iosf_scc_read(int reg) @@ -166,122 +126,71 @@ void iosf_scc_write(int reg, uint32_t val) return iosf_write_port(IOSF_WRITE(SCC), reg, val); } -uint32_t iosf_aunit_read(int reg) -{ - return iosf_read_port(IOSF_READ(AUNIT), reg); -} - -void iosf_aunit_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(AUNIT), reg, val); -} - -uint32_t iosf_cpu_bus_read(int reg) -{ - return iosf_read_port(IOSF_READ(CPU_BUS), reg); -} - -void iosf_cpu_bus_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(CPU_BUS), reg, val); -} - -uint32_t iosf_sec_read(int reg) -{ - return iosf_read_port(IOSF_READ(SEC), reg); -} - -void iosf_sec_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(SEC), reg, val); -} - -uint32_t iosf_port45_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x45), reg); -} - -void iosf_port45_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x45), reg, val); -} - -uint32_t iosf_port46_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x46), reg); -} - -void iosf_port46_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x46), reg, val); -} -uint32_t iosf_port47_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x47), reg); -} - -void iosf_port47_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x47), reg, val); -} - -uint32_t iosf_port55_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x55), reg); -} - -void iosf_port55_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x55), reg, val); -} - -uint32_t iosf_port58_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x58), reg); -} - -void iosf_port58_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x58), reg, val); -} - -uint32_t iosf_port59_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x59), reg); -} - -void iosf_port59_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x59), reg, val); -} - -uint32_t iosf_port5a_read(int reg) -{ - return iosf_read_port(IOSF_READ(0x5a), reg); -} - -void iosf_port5a_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0x5a), reg, val); -} - -uint32_t iosf_porta2_read(int reg) -{ - return iosf_read_port(IOSF_READ(0xa2), reg); -} - -void iosf_porta2_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(0xa2), reg, val); -} - -uint32_t iosf_ssus_read(int reg) -{ - return iosf_read_port(IOSF_READ(SSUS), reg); -} - -void iosf_ssus_write(int reg, uint32_t val) -{ - return iosf_write_port(IOSF_WRITE(SSUS), reg, val); -} +#if ENV_RAMSTAGE +uint64_t reg_script_read_iosf(struct reg_script_context *ctx) +{ + const struct reg_script *step = ctx->step; + + /* Process the request */ + switch (step->id) { + case IOSF_PORT_BUNIT: + return iosf_bunit_read(step->reg); + case IOSF_PORT_SCORE: + return iosf_score_read(step->reg); + case IOSF_PORT_LPSS: + return iosf_lpss_read(step->reg); + case IOSF_PORT_0x58: + return iosf_port58_read(step->reg); + case IOSF_PORT_SCC: + return iosf_scc_read(step->reg); + default: + printk(BIOS_DEBUG, "No read support for IOSF port 0x%x.\n", + step->id); + break; + } + return 0; +} + +void reg_script_write_iosf(struct reg_script_context *ctx) +{ + const struct reg_script *step = ctx->step; + + /* Process the request */ + switch (step->id) { + case IOSF_PORT_BUNIT: + iosf_bunit_write(step->reg, step->value); + break; + case IOSF_PORT_SCORE: + iosf_score_write(step->reg, step->value); + break; + case IOSF_PORT_LPSS: + iosf_lpss_write(step->reg, step->value); + break; + case IOSF_PORT_0x58: + iosf_port58_write(step->reg, step->value); + break; + case IOSF_PORT_SCC: + iosf_scc_write(step->reg, step->value); + break; + + default: + printk(BIOS_DEBUG, "No write support for IOSF port 0x%x.\n", + step->id); + break; + } +} + +const struct reg_script_bus_entry reg_script_bus_table[] = { + {REG_SCRIPT_TYPE_IOSF, reg_script_read_iosf, reg_script_write_iosf} +}; + +const struct reg_script_bus_entry *platform_bus_table(size_t *table_entries) +{ + /* Return the table size and address */ + *table_entries = sizeof(reg_script_bus_table) + / sizeof(reg_script_bus_table[0]); + return ®_script_bus_table[0]; +} + +#endif /* ENV_RAMSTAGE */ -- cgit v1.2.3