/* * This file is part of the coreboot project. * * Copyright (C) 2016 Marvell, Inc. * * 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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <stddef.h> #include <stdint.h> #include <stdlib.h> #include <arch/io.h> #include <console/console.h> #include <soc/a2bus.h> const u32 NUM_SIO = 11; const u32 SIO_UIDS[] = {15, 14, 13, 12, 10, 8, 7, 5, 3, 1, 0}; const u32 SP_UID = 4; static void a2bus_enable_and_check(void) { u32 reg; u32 checkval; printk(BIOS_DEBUG, "Entering %s\n", __func__); /* FIXME - remove once default fixed */ reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win0); reg |= MVMAP2315_CCU_RGF_WIN0_AHR << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win0, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win0); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win0, reg); checkval = ((MVMAP2315_CCU_RGF_WIN0_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN0_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN0_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win0) == checkval) printk(BIOS_DEBUG, " win0 checks\n"); else printk(BIOS_DEBUG, " win0 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win0), checkval); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win1); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win1, reg); checkval = ((MVMAP2315_CCU_RGF_WIN1_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN1_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN1_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win1) == checkval) printk(BIOS_DEBUG, " win1 checks\n"); else printk(BIOS_DEBUG, " win1 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win1), checkval); /* FIXME - remove once default fixed */ reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win2); reg |= MVMAP2315_CCU_RGF_WIN2_UID << MVMAP2315_CCU_RGF_WIN_UID_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win2, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win2); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win2, reg); checkval = ((MVMAP2315_CCU_RGF_WIN2_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN2_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN2_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win2) == checkval) printk(BIOS_DEBUG, " win2 checks\n"); else printk(BIOS_DEBUG, " win2 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win2), checkval); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win3); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win3, reg); checkval = ((MVMAP2315_CCU_RGF_WIN3_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN3_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN3_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win3) == checkval) printk(BIOS_DEBUG, " win3 checks\n"); else printk(BIOS_DEBUG, " win3 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win3), checkval); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win4); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win4, reg); checkval = ((MVMAP2315_CCU_RGF_WIN4_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN4_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN4_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win4) == checkval) printk(BIOS_DEBUG, " win4 checks\n"); else printk(BIOS_DEBUG, " win4 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win4), checkval); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win5); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win5, reg); checkval = ((MVMAP2315_CCU_RGF_WIN5_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN5_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN5_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win5) == checkval) printk(BIOS_DEBUG, " win5 checks\n"); else printk(BIOS_DEBUG, " win5 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win5), checkval); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win6); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win6, reg); checkval = ((MVMAP2315_CCU_RGF_WIN6_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN6_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN6_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win6) == checkval) printk(BIOS_DEBUG, " win6 checks\n"); else printk(BIOS_DEBUG, " win6 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win6), checkval); /* FIXME - remove once default fixed */ reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win7); reg |= MVMAP2315_CCU_RGF_WIN7_UID << MVMAP2315_CCU_RGF_WIN_UID_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win7, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_rgf_win7); reg |= MVMAP2315_CCU_RGF_WIN_RGFWINEN; write32(&mvmap2315_a2bus_ccu->ccu_rgf_win7, reg); checkval = ((MVMAP2315_CCU_RGF_WIN7_AHR) << MVMAP2315_CCU_RGF_WIN_ADDR_HI_SHIFT) | ((MVMAP2315_CCU_RGF_WIN7_ALR) << MVMAP2315_CCU_RGF_WIN_ADDR_LO_SHIFT) | ((MVMAP2315_CCU_RGF_WIN7_UID) << MVMAP2315_CCU_RGF_WIN_UID_SHIFT) | MVMAP2315_CCU_RGF_WIN_RGFWINEN; if (read32(&mvmap2315_a2bus_ccu->ccu_rgf_win7) == checkval) printk(BIOS_DEBUG, " win7 checks\n"); else printk(BIOS_DEBUG, " win7 no go: 0x%08x != 0x%08x\n", read32(&mvmap2315_a2bus_ccu->ccu_rgf_win7), checkval); printk(BIOS_DEBUG, "Exiting %s\n", __func__); } static void a2bus_open_map(void) { u32 reg; printk(BIOS_DEBUG, "Entering %s\n", __func__); /* send traffic by defaul to AON (smc0) */ reg = read32(&mvmap2315_a2bus_ccu->ccu_win_gcr); reg &= ~MVMAP2315_CCU_WIN_CR_WINTARGET_MASK; reg |= 2 << MVMAP2315_CCU_WIN_CR_WINTARGET_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win_gcr, reg); printk(BIOS_DEBUG, "after CCU_WIN_GCR\n"); reg = read32(&mvmap2315_a2bus_ccu->ccu_win1_alr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRLOW_MASK; reg |= MVMAP2315_CCU_WIN1_ALR << MVMAP2315_CCU_WIN_ALR_ADDRLOW_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win1_alr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win1_ahr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRHIGH_MASK; reg |= MVMAP2315_CCU_WIN1_AHR << MVMAP2315_CCU_WIN_AHR_ADDRHIGH_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win1_ahr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win1_cr); reg &= ~MVMAP2315_CCU_WIN_CR_WINTARGET_MASK; reg |= MVMAP2315_CCU_WIN1_UID << MVMAP2315_CCU_WIN_CR_WINTARGET_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win1_cr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win1_cr); reg |= MVMAP2315_CCU_CR_WINEN; write32(&mvmap2315_a2bus_ccu->ccu_win1_cr, reg); printk(BIOS_DEBUG, "after CCU_WIN1\n"); reg = read32(&mvmap2315_a2bus_ccu->ccu_win2_alr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRLOW_MASK; reg |= MVMAP2315_CCU_WIN2_ALR << MVMAP2315_CCU_WIN_ALR_ADDRLOW_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win2_alr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win2_ahr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRHIGH_MASK; reg |= MVMAP2315_CCU_WIN2_AHR << MVMAP2315_CCU_WIN_AHR_ADDRHIGH_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win2_ahr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win2_cr); reg &= ~MVMAP2315_CCU_WIN_CR_WINTARGET_MASK; reg |= MVMAP2315_CCU_WIN2_UID << MVMAP2315_CCU_WIN_CR_WINTARGET_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win2_cr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win2_cr); reg &= ~MVMAP2315_CCU_CR_WINEN; write32(&mvmap2315_a2bus_ccu->ccu_win2_cr, reg); printk(BIOS_DEBUG, "after CCU_WIN2\n"); reg = read32(&mvmap2315_a2bus_ccu->ccu_win3_alr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRLOW_MASK; reg |= MVMAP2315_CCU_WIN3_ALR << MVMAP2315_CCU_WIN_ALR_ADDRLOW_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win3_alr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win3_ahr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRHIGH_MASK; reg |= MVMAP2315_CCU_WIN3_AHR << MVMAP2315_CCU_WIN_AHR_ADDRHIGH_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win3_ahr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win3_cr); reg &= ~MVMAP2315_CCU_WIN_CR_WINTARGET_MASK; reg |= MVMAP2315_CCU_WIN3_UID << MVMAP2315_CCU_WIN_CR_WINTARGET_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win3_cr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win3_cr); reg |= MVMAP2315_CCU_CR_WINEN; write32(&mvmap2315_a2bus_ccu->ccu_win3_cr, reg); printk(BIOS_DEBUG, "after CCU_WIN3\n"); reg = read32(&mvmap2315_a2bus_ccu->ccu_win4_alr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRLOW_MASK; reg |= MVMAP2315_CCU_WIN4_ALR << MVMAP2315_CCU_WIN_ALR_ADDRLOW_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win4_alr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win4_ahr); reg &= ~MVMAP2315_CCU_WIN_ALR_ADDRHIGH_MASK; reg |= MVMAP2315_CCU_WIN4_AHR << MVMAP2315_CCU_WIN_AHR_ADDRHIGH_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win4_ahr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win4_cr); reg &= ~MVMAP2315_CCU_WIN_CR_WINTARGET_MASK; reg |= MVMAP2315_CCU_WIN4_UID << MVMAP2315_CCU_WIN_CR_WINTARGET_SHIFT; write32(&mvmap2315_a2bus_ccu->ccu_win4_cr, reg); reg = read32(&mvmap2315_a2bus_ccu->ccu_win4_cr); reg |= MVMAP2315_CCU_CR_WINEN; write32(&mvmap2315_a2bus_ccu->ccu_win4_cr, reg); printk(BIOS_DEBUG, "after CCU_WIN4\n"); /* open all register space */ a2bus_enable_and_check(); printk(BIOS_DEBUG, "Exiting %s\n", __func__); } void init_a2bus_config(void) { u32 reg; int i; /* Open up the A2 address map */ a2bus_open_map(); /* set the bit to enable long non-modifiable */ for (i = 0; i < NUM_SIO; i++) { printk(BIOS_DEBUG, "Writing LTC_ForceModifiable to SIO %d\n", SIO_UIDS[i]); reg = read32(&mvmap2315_a2bus_banked->ccu_b_idacr); reg |= SIO_UIDS[i] << MVMAP2315_CCU_B_IDACR_PRIVATEUID_SHIFT; write32(&mvmap2315_a2bus_banked->ccu_b_idacr, reg); reg = read32(&mvmap2315_a2bus_banked->ccu_b_ltc_cr); reg |= MVMAP2315_CCU_B_LTC_CR_USERDMODROB; write32(&mvmap2315_a2bus_banked->ccu_b_ltc_cr, reg); } printk(BIOS_DEBUG, "Writing LTC_ForceModifiable to SP\n"); reg = read32(&mvmap2315_a2bus_banked->ccu_b_idacr); reg |= SP_UID << MVMAP2315_CCU_B_IDACR_PRIVATEUID_SHIFT; write32(&mvmap2315_a2bus_banked->ccu_b_idacr, reg); reg = read32(&mvmap2315_a2bus_banked->ccu_b_ltc_cr); reg |= MVMAP2315_CCU_B_LTC_CR_USERDMODROB; write32(&mvmap2315_a2bus_banked->ccu_b_ltc_cr, reg); printk(BIOS_DEBUG, "FIXME - DISABLING MVN\n"); reg = read32(&mvmap2315_a2bus_alias6->ccu_b_smc_mvn); reg &= ~MVMAP2315_CCU_B_SMC_MVN_MVNENABLE; write32(&mvmap2315_a2bus_alias6->ccu_b_smc_mvn, reg); reg = read32(&mvmap2315_a2bus_alias9->ccu_b_smc_mvn); reg &= ~MVMAP2315_CCU_B_SMC_MVN_MVNENABLE; write32(&mvmap2315_a2bus_alias9->ccu_b_smc_mvn, reg); reg = read32(&mvmap2315_a2bus_alias11->ccu_b_smc_mvn); reg &= ~MVMAP2315_CCU_B_SMC_MVN_MVNENABLE; write32(&mvmap2315_a2bus_alias11->ccu_b_smc_mvn, reg); }