1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * board/renesas/rcar-common/common.c 4 * 5 * Copyright (C) 2013 Renesas Electronics Corporation 6 * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> 7 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> 8 */ 9 10 #include <common.h> 11 #include <asm/io.h> 12 #include <asm/arch/sys_proto.h> 13 #include <asm/arch/rmobile.h> 14 #include <asm/arch/rcar-mstp.h> 15 16 #define TSTR0 0x04 17 #define TSTR0_STR0 0x01 18 19 static struct mstp_ctl mstptbl[] = { 20 { SMSTPCR0, MSTP0_BITS, CONFIG_SMSTP0_ENA, 21 RMSTPCR0, MSTP0_BITS, CONFIG_RMSTP0_ENA }, 22 { SMSTPCR1, MSTP1_BITS, CONFIG_SMSTP1_ENA, 23 RMSTPCR1, MSTP1_BITS, CONFIG_RMSTP1_ENA }, 24 { SMSTPCR2, MSTP2_BITS, CONFIG_SMSTP2_ENA, 25 RMSTPCR2, MSTP2_BITS, CONFIG_RMSTP2_ENA }, 26 { SMSTPCR3, MSTP3_BITS, CONFIG_SMSTP3_ENA, 27 RMSTPCR3, MSTP3_BITS, CONFIG_RMSTP3_ENA }, 28 { SMSTPCR4, MSTP4_BITS, CONFIG_SMSTP4_ENA, 29 RMSTPCR4, MSTP4_BITS, CONFIG_RMSTP4_ENA }, 30 { SMSTPCR5, MSTP5_BITS, CONFIG_SMSTP5_ENA, 31 RMSTPCR5, MSTP5_BITS, CONFIG_RMSTP5_ENA }, 32 #ifdef CONFIG_RCAR_GEN3 33 { SMSTPCR6, MSTP6_BITS, CONFIG_SMSTP6_ENA, 34 RMSTPCR6, MSTP6_BITS, CONFIG_RMSTP6_ENA }, 35 #endif 36 { SMSTPCR7, MSTP7_BITS, CONFIG_SMSTP7_ENA, 37 RMSTPCR7, MSTP7_BITS, CONFIG_RMSTP7_ENA }, 38 { SMSTPCR8, MSTP8_BITS, CONFIG_SMSTP8_ENA, 39 RMSTPCR8, MSTP8_BITS, CONFIG_RMSTP8_ENA }, 40 { SMSTPCR9, MSTP9_BITS, CONFIG_SMSTP9_ENA, 41 RMSTPCR9, MSTP9_BITS, CONFIG_RMSTP9_ENA }, 42 { SMSTPCR10, MSTP10_BITS, CONFIG_SMSTP10_ENA, 43 RMSTPCR10, MSTP10_BITS, CONFIG_RMSTP10_ENA }, 44 { SMSTPCR11, MSTP11_BITS, CONFIG_SMSTP1_ENA, 45 RMSTPCR11, MSTP11_BITS, CONFIG_RMSTP11_ENA }, 46 }; 47 48 void arch_preboot_os(void) 49 { 50 int i; 51 52 /* stop TMU0 */ 53 mstp_clrbits_le32(TMU_BASE + TSTR0, TMU_BASE + TSTR0, TSTR0_STR0); 54 55 /* Stop module clock */ 56 for (i = 0; i < ARRAY_SIZE(mstptbl); i++) { 57 mstp_setclrbits_le32((uintptr_t)mstptbl[i].s_addr, 58 mstptbl[i].s_dis, 59 mstptbl[i].s_ena); 60 mstp_setclrbits_le32((uintptr_t)mstptbl[i].r_addr, 61 mstptbl[i].r_dis, 62 mstptbl[i].r_ena); 63 } 64 } 65