--- /dev/null
+/*
+ * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <config.h>
+#include <version.h>
+#include <asm/processor.h>
+#include <asm/macro.h>
+
+#include <asm/processor.h>
+
+ .global lowlevel_init
+
+ .text
+ .align 2
+
+lowlevel_init:
+
+ /* WDT */
+ write32 WDTCSR_A, WDTCSR_D
+
+ /* MMU */
+ write32 MMUCR_A, MMUCR_D
+
+ write32 FRQCR2_A, FRQCR2_D
+ write32 FRQCR0_A, FRQCR0_D
+
+ write32 CS0CTRL_A, CS0CTRL_D
+ write32 CS1CTRL_A, CS1CTRL_D
+ write32 CS0CTRL2_A, CS0CTRL2_D
+
+ write32 CSPWCR0_A, CSPWCR0_D
+ write32 CSPWCR1_A, CSPWCR1_D
+ write32 CS1GDST_A, CS1GDST_D
+
+ # clock mode check
+ mov.l MODEMR, r1
+ mov.l @r1, r0
+ and #6, r0 /* Check 1 and 2 bit.*/
+ cmp/eq #2, r0 /* 0x02 is 533Mhz mode */
+ bt init_lbsc_533
+
+init_lbsc_400:
+
+ write32 CSWCR0_A, CSWCR0_D_400
+ write32 CSWCR1_A, CSWCR1_D
+
+ bra init_dbsc3_400_pad
+ nop
+
+ .align 2
+
+MODEMR: .long 0xFFCC0020
+WDTCSR_A: .long 0xFFCC0004
+WDTCSR_D: .long 0xA5000000
+MMUCR_A: .long 0xFF000010
+MMUCR_D: .long 0x00000004
+
+FRQCR2_A: .long 0xFFC80008
+FRQCR2_D: .long 0x00000000
+FRQCR0_A: .long 0xFFC80000
+FRQCR0_D: .long 0xCF000001
+
+CS0CTRL_A: .long 0xFF800200
+CS0CTRL_D: .long 0x00000020
+CS1CTRL_A: .long 0xFF800204
+CS1CTRL_D: .long 0x00000020
+
+CS0CTRL2_A: .long 0xFF800220
+CS0CTRL2_D: .long 0x00004000
+
+CSPWCR0_A: .long 0xFF800280
+CSPWCR0_D: .long 0x00000000
+CSPWCR1_A: .long 0xFF800284
+CSPWCR1_D: .long 0x00000000
+CS1GDST_A: .long 0xFF8002C0
+CS1GDST_D: .long 0x00000011
+
+init_lbsc_533:
+
+ write32 CSWCR0_A, CSWCR0_D_533
+ write32 CSWCR1_A, CSWCR1_D
+
+ bra init_dbsc3_533_pad
+ nop
+
+ .align 2
+
+CSWCR0_A: .long 0xFF800230
+CSWCR0_D_533: .long 0x01120104
+CSWCR0_D_400: .long 0x02120114
+/* CSWCR0_D_400: .long 0x01160116 */
+CSWCR1_A: .long 0xFF800234
+CSWCR1_D: .long 0x077F077F
+/* CSWCR1_D_400: .long 0x00120012 */
+
+init_dbsc3_400_pad:
+
+ write32 DBPDCNT3_A, DBPDCNT3_D
+ wait_timer WAIT_200US_400
+
+ write32 DBPDCNT0_A, DBPDCNT0_D_400
+ write32 DBPDCNT3_A, DBPDCNT3_D0
+ write32 DBPDCNT1_A, DBPDCNT1_D
+
+ write32 DBPDCNT3_A, DBPDCNT3_D1
+ wait_timer WAIT_32MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D2
+ wait_timer WAIT_100US_400
+
+ write32 DBPDCNT3_A, DBPDCNT3_D3
+ wait_timer WAIT_16MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D4
+ wait_timer WAIT_200US_400
+
+ write32 DBPDCNT3_A, DBPDCNT3_D5
+ wait_timer WAIT_1MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D6
+ wait_timer WAIT_10KMCLK
+
+ bra init_dbsc3_ctrl_400
+ nop
+
+ .align 2
+
+init_dbsc3_533_pad:
+
+ write32 DBPDCNT3_A, DBPDCNT3_D
+ wait_timer WAIT_200US_533
+
+ write32 DBPDCNT0_A, DBPDCNT0_D_533
+ write32 DBPDCNT3_A, DBPDCNT3_D0
+ write32 DBPDCNT1_A, DBPDCNT1_D
+
+ write32 DBPDCNT3_A, DBPDCNT3_D1
+ wait_timer WAIT_32MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D2
+ wait_timer WAIT_100US_533
+
+ write32 DBPDCNT3_A, DBPDCNT3_D3
+ wait_timer WAIT_16MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D4
+ wait_timer WAIT_200US_533
+
+ write32 DBPDCNT3_A, DBPDCNT3_D5
+ wait_timer WAIT_1MCLK
+
+ write32 DBPDCNT3_A, DBPDCNT3_D6
+ wait_timer WAIT_10KMCLK
+
+ bra init_dbsc3_ctrl_533
+ nop
+
+ .align 2
+
+WAIT_200US_400: .long 40000
+WAIT_200US_533: .long 53300
+WAIT_100US_400: .long 20000
+WAIT_100US_533: .long 26650
+WAIT_32MCLK: .long 32
+WAIT_16MCLK: .long 16
+WAIT_1MCLK: .long 1
+WAIT_10KMCLK: .long 10000
+
+DBPDCNT0_A: .long 0xFE800200
+DBPDCNT0_D_533: .long 0x00010245
+DBPDCNT0_D_400: .long 0x00010235
+DBPDCNT1_A: .long 0xFE800204
+DBPDCNT1_D: .long 0x00000014
+DBPDCNT3_A: .long 0xFE80020C
+DBPDCNT3_D: .long 0x80000000
+DBPDCNT3_D0: .long 0x800F0000
+DBPDCNT3_D1: .long 0x800F1000
+DBPDCNT3_D2: .long 0x820F1000
+DBPDCNT3_D3: .long 0x860F1000
+DBPDCNT3_D4: .long 0x870F1000
+DBPDCNT3_D5: .long 0x870F3000
+DBPDCNT3_D6: .long 0x870F7000
+
+init_dbsc3_ctrl_400:
+
+ write32 DBKIND_A, DBKIND_D
+ write32 DBCONF_A, DBCONF_D
+
+ write32 DBTR0_A, DBTR0_D_400
+ write32 DBTR1_A, DBTR1_D_400
+ write32 DBTR2_A, DBTR2_D
+ write32 DBTR3_A, DBTR3_D_400
+ write32 DBTR4_A, DBTR4_D_400
+ write32 DBTR5_A, DBTR5_D_400
+ write32 DBTR6_A, DBTR6_D_400
+ write32 DBTR7_A, DBTR7_D
+ write32 DBTR8_A, DBTR8_D_400
+ write32 DBTR9_A, DBTR9_D
+ write32 DBTR10_A, DBTR10_D_400
+ write32 DBTR11_A, DBTR11_D
+ write32 DBTR12_A, DBTR12_D_400
+ write32 DBTR13_A, DBTR13_D_400
+ write32 DBTR14_A, DBTR14_D
+ write32 DBTR15_A, DBTR15_D
+ write32 DBTR16_A, DBTR16_D_400
+ write32 DBTR17_A, DBTR17_D_400
+ write32 DBTR18_A, DBTR18_D_400
+
+ write32 DBBL_A, DBBL_D
+ write32 DBRNK0_A, DBRNK0_D
+
+ write32 DBCMD_A, DBCMD_D0_400
+ write32 DBCMD_A, DBCMD_D1
+ write32 DBCMD_A, DBCMD_D2
+ write32 DBCMD_A, DBCMD_D3
+ write32 DBCMD_A, DBCMD_D4
+ write32 DBCMD_A, DBCMD_D5_400
+ write32 DBCMD_A, DBCMD_D6
+ write32 DBCMD_A, DBCMD_D7
+ write32 DBCMD_A, DBCMD_D8
+ write32 DBCMD_A, DBCMD_D9_400
+ write32 DBCMD_A, DBCMD_D10
+ write32 DBCMD_A, DBCMD_D11
+ write32 DBCMD_A, DBCMD_D12
+
+ write32 DBBS0CNT1_A, DBBS0CNT1_D
+ write32 DBPDNCNF_A, DBPDNCNF_D
+
+ write32 DBRFCNF0_A, DBRFCNF0_D
+ write32 DBRFCNF1_A, DBRFCNF1_D_400
+ write32 DBRFCNF2_A, DBRFCNF2_D
+ write32 DBRFEN_A, DBRFEN_D
+ write32 DBACEN_A, DBACEN_D
+ write32 DBACEN_A, DBACEN_D
+
+ /* Dummy read */
+ mov.l DBWAIT_A, r1
+ synco
+ mov.l @r1, r0
+ synco
+
+ /* Dummy read */
+ mov.l SDRAM_A, r1
+ synco
+ mov.l @r1, r0
+ synco
+
+ /* need sleep 186A0 */
+
+ bra init_pfc_sh7734
+ nop
+
+ .align 2
+
+init_dbsc3_ctrl_533:
+
+ write32 DBKIND_A, DBKIND_D
+ write32 DBCONF_A, DBCONF_D
+
+ write32 DBTR0_A, DBTR0_D_533
+ write32 DBTR1_A, DBTR1_D_533
+ write32 DBTR2_A, DBTR2_D
+ write32 DBTR3_A, DBTR3_D_533
+ write32 DBTR4_A, DBTR4_D_533
+ write32 DBTR5_A, DBTR5_D_533
+ write32 DBTR6_A, DBTR6_D_533
+ write32 DBTR7_A, DBTR7_D
+ write32 DBTR8_A, DBTR8_D_533
+ write32 DBTR9_A, DBTR9_D
+ write32 DBTR10_A, DBTR10_D_533
+ write32 DBTR11_A, DBTR11_D
+ write32 DBTR12_A, DBTR12_D_533
+ write32 DBTR13_A, DBTR13_D_533
+ write32 DBTR14_A, DBTR14_D
+ write32 DBTR15_A, DBTR15_D
+ write32 DBTR16_A, DBTR16_D_533
+ write32 DBTR17_A, DBTR17_D_533
+ write32 DBTR18_A, DBTR18_D_533
+
+ write32 DBBL_A, DBBL_D
+ write32 DBRNK0_A, DBRNK0_D
+
+ write32 DBCMD_A, DBCMD_D0_533
+ write32 DBCMD_A, DBCMD_D1
+ write32 DBCMD_A, DBCMD_D2
+ write32 DBCMD_A, DBCMD_D3
+ write32 DBCMD_A, DBCMD_D4
+ write32 DBCMD_A, DBCMD_D5_533
+ write32 DBCMD_A, DBCMD_D6
+ write32 DBCMD_A, DBCMD_D7
+ write32 DBCMD_A, DBCMD_D8
+ write32 DBCMD_A, DBCMD_D9_533
+ write32 DBCMD_A, DBCMD_D10
+ write32 DBCMD_A, DBCMD_D11
+ write32 DBCMD_A, DBCMD_D12
+
+ write32 DBBS0CNT1_A, DBBS0CNT1_D
+ write32 DBPDNCNF_A, DBPDNCNF_D
+
+ write32 DBRFCNF0_A, DBRFCNF0_D
+ write32 DBRFCNF1_A, DBRFCNF1_D_533
+ write32 DBRFCNF2_A, DBRFCNF2_D
+ write32 DBRFEN_A, DBRFEN_D
+ write32 DBACEN_A, DBACEN_D
+ write32 DBACEN_A, DBACEN_D
+
+ /* Dummy read */
+ mov.l DBWAIT_A, r1
+ synco
+ mov.l @r1, r0
+ synco
+
+ /* Dummy read */
+ mov.l SDRAM_A, r1
+ synco
+ mov.l @r1, r0
+ synco
+
+ /* need sleep 186A0 */
+
+ bra init_pfc_sh7734
+ nop
+
+ .align 2
+
+DBKIND_A: .long 0xFE800020
+DBKIND_D: .long 0x00000005
+DBCONF_A: .long 0xFE800024
+DBCONF_D: .long 0x0D030A01
+
+DBTR0_A: .long 0xFE800040
+DBTR0_D_533:.long 0x00000004
+DBTR0_D_400:.long 0x00000003
+DBTR1_A: .long 0xFE800044
+DBTR1_D_533:.long 0x00000003
+DBTR1_D_400:.long 0x00000002
+DBTR2_A: .long 0xFE800048
+DBTR2_D: .long 0x00000000
+DBTR3_A: .long 0xFE800050
+DBTR3_D_533:.long 0x00000004
+DBTR3_D_400:.long 0x00000003
+
+DBTR4_A: .long 0xFE800054
+DBTR4_D_533:.long 0x00050004
+DBTR4_D_400:.long 0x00050003
+
+DBTR5_A: .long 0xFE800058
+DBTR5_D_533:.long 0x0000000F
+DBTR5_D_400:.long 0x0000000B
+
+DBTR6_A: .long 0xFE80005C
+DBTR6_D_533:.long 0x0000000B
+DBTR6_D_400:.long 0x00000008
+
+DBTR7_A: .long 0xFE800060
+DBTR7_D: .long 0x00000002 /* common value */
+
+DBTR8_A: .long 0xFE800064
+DBTR8_D_533:.long 0x0000000D
+DBTR8_D_400:.long 0x0000000A
+
+DBTR9_A: .long 0xFE800068
+DBTR9_D: .long 0x00000002 /* common value */
+
+DBTR10_A: .long 0xFE80006C
+DBTR10_D_533:.long 0x00000004
+DBTR10_D_400:.long 0x00000003
+
+DBTR11_A: .long 0xFE800070
+DBTR11_D: .long 0x00000008 /* common value */
+
+DBTR12_A: .long 0xFE800074
+DBTR12_D_533:.long 0x00000009
+DBTR12_D_400:.long 0x00000008
+
+DBTR13_A: .long 0xFE800078
+DBTR13_D_533:.long 0x00000022
+DBTR13_D_400:.long 0x0000001A
+
+DBTR14_A: .long 0xFE80007C
+DBTR14_D: .long 0x00070002 /* common value */
+
+DBTR15_A: .long 0xFE800080
+DBTR15_D: .long 0x00000003 /* common value */
+
+DBTR16_A: .long 0xFE800084
+DBTR16_D_533:.long 0x120A1001
+DBTR16_D_400:.long 0x12091001
+
+DBTR17_A: .long 0xFE800088
+DBTR17_D_533:.long 0x00040000
+DBTR17_D_400:.long 0x00030000
+
+DBTR18_A: .long 0xFE80008C
+DBTR18_D_533:.long 0x02010200
+DBTR18_D_400:.long 0x02000207
+
+DBBL_A: .long 0xFE8000B0
+DBBL_D: .long 0x00000000
+
+DBRNK0_A: .long 0xFE800100
+DBRNK0_D: .long 0x00000001
+
+DBCMD_A: .long 0xFE800018
+DBCMD_D0_533: .long 0x1100006B
+DBCMD_D0_400: .long 0x11000050
+DBCMD_D1: .long 0x0B000000 /* common value */
+DBCMD_D2: .long 0x2A004000 /* common value */
+DBCMD_D3: .long 0x2B006000 /* common value */
+DBCMD_D4: .long 0x29002004 /* common value */
+DBCMD_D5_533: .long 0x28000743
+DBCMD_D5_400: .long 0x28000533
+DBCMD_D6: .long 0x0B000000 /* common value */
+DBCMD_D7: .long 0x0C000000 /* common value */
+DBCMD_D8: .long 0x0C000000 /* common value */
+DBCMD_D9_533: .long 0x28000643
+DBCMD_D9_400: .long 0x28000433
+DBCMD_D10: .long 0x000000C8 /* common value */
+DBCMD_D11: .long 0x29002384 /* common value */
+DBCMD_D12: .long 0x29002004 /* common value */
+
+DBBS0CNT1_A: .long 0xFE800304
+DBBS0CNT1_D: .long 0x00000000
+DBPDNCNF_A: .long 0xFE800180
+DBPDNCNF_D: .long 0x00000200
+
+DBRFCNF0_A: .long 0xFE8000E0
+DBRFCNF0_D: .long 0x000001FF
+DBRFCNF1_A: .long 0xFE8000E4
+DBRFCNF1_D_533: .long 0x00000805
+DBRFCNF1_D_400: .long 0x00000618
+
+DBRFCNF2_A: .long 0xFE8000E8
+DBRFCNF2_D: .long 0x00000000
+
+DBRFEN_A: .long 0xFE800014
+DBRFEN_D: .long 0x00000001
+
+DBACEN_A: .long 0xFE800010
+DBACEN_D: .long 0x00000001
+
+DBWAIT_A: .long 0xFE80001C
+SDRAM_A: .long 0x0C000000
+
+init_pfc_sh7734:
+ write32 PFC_PMMR_A, PFC_PMMR_MODESEL1
+ write32 PFC_MODESEL1_A, PFC_MODESEL1_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_MODESEL2
+ write32 PFC_MODESEL2_A, PFC_MODESEL2_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_IPSR3
+ write32 PFC_IPSR3_A, PFC_IPSR3_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_IPSR4
+ write32 PFC_IPSR4_A, PFC_IPSR4_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_IPSR11
+ write32 PFC_IPSR11_A, PFC_IPSR11_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR0
+ write32 PFC_GPSR0_A, PFC_GPSR0_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR1
+ write32 PFC_GPSR1_A, PFC_GPSR1_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR2
+ write32 PFC_GPSR2_A, PFC_GPSR2_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR3
+ write32 PFC_GPSR3_A, PFC_GPSR3_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR4
+ write32 PFC_GPSR4_A, PFC_GPSR4_D
+
+ write32 PFC_PMMR_A, PFC_PMMR_GPSR5
+ write32 PFC_GPSR5_A, PFC_GPSR5_D
+
+ /* sleep 186A0 */
+
+ write32 GPIO2_INOUTSEL1_A, GPIO2_INOUTSEL1_D
+ write32 GPIO1_OUTDT1_A, GPIO1_OUTDT1_D
+ write32 GPIO2_INOUTSEL2_A, GPIO2_INOUTSEL2_D
+ write32 GPIO2_OUTDT2_A, GPIO2_OUTDT2_D
+ write32 GPIO4_INOUTSEL4_A, GPIO4_INOUTSEL4_D
+ write32 GPIO4_OUTDT4_A, GPIO4_OUTDT4_D
+
+ write32 CCR_A, CCR_D
+
+ stc sr, r0
+ mov.l SR_MASK_D, r1
+ and r1, r0
+ ldc r0, sr
+
+ rts
+ nop
+
+ .align 2
+
+PFC_PMMR_A: .long 0xFFFC0000
+
+/* MODESEL
+ * 28: Select IEBUS Group B
+ */
+PFC_MODESEL1_A: .long 0xFFFC004C
+PFC_MODESEL1_D: .long 0x10000000
+PFC_PMMR_MODESEL1: .long 0xEFFFFFFF
+
+/* MODESEL
+ * 9: Select SCIF3 Group B
+ * 7: Select SCIF2 Group B
+ * 4: Select SCIF1 Group B
+ */
+PFC_MODESEL2_A: .long 0xFFFC0050
+PFC_MODESEL2_D: .long 0x00000290
+PFC_PMMR_MODESEL2: .long 0xFFFFFD6F
+
+# Enable functios
+# SD1_DAT2_A SD1_DAT1_A, SD1_DAT0_A,
+# EXWAIT0, RDW/RW, SD1_CMD_A, SD1_WP_A,
+# SD1_CD_A, TX3_B, RX3_B, CS1, D15
+PFC_IPSR3_A: .long 0xFFFC0028
+PFC_IPSR3_D: .long 0x09209248
+PFC_PMMR_IPSR3: .long 0xF6DF6DB7
+
+# Enable functios
+# RMII0_MDIO_A , RMII0_MDC_A,
+# RMII0_CRS_DV_A, RMII0_RX_ER_A,
+# RMII0_TXD_EN_A, MII0_RXD1_A
+PFC_IPSR4_A: .long 0xFFFC002C
+PFC_IPSR4_D: .long 0x0001B6DB
+PFC_PMMR_IPSR4: .long 0xFFFE4924
+
+# Enable functios
+# DACK1, DREQ1, SD1_DAT3_A, SD1_CLK_A, IERX_B,
+# IETX_B, TX0_A, RMII0_TXD0_A,
+# RMII0_TXD1_A, RMII0_TXD0_A, SDSEL, SDA0, SDA1, SCL1
+PFC_IPSR11_A: .long 0xFFFC0048
+PFC_IPSR11_D: .long 0x002C89B0
+PFC_PMMR_IPSR11:.long 0xFFD3764F
+
+PFC_GPSR0_A: .long 0xFFFC0004
+PFC_GPSR0_D: .long 0xFFFFFFFF
+PFC_PMMR_GPSR0: .long 0x00000000
+
+PFC_GPSR1_A: .long 0xFFFC0008
+PFC_GPSR1_D: .long 0x7FBF7FFF
+PFC_PMMR_GPSR1: .long 0x80408000
+
+PFC_GPSR2_A: .long 0xFFFC000C
+PFC_GPSR2_D: .long 0xBFC07EDF
+PFC_PMMR_GPSR2: .long 0x403F8120
+
+PFC_GPSR3_A: .long 0xFFFC0010
+PFC_GPSR3_D: .long 0xFFFFFFFF
+PFC_PMMR_GPSR3: .long 0x00000000
+
+PFC_GPSR4_A: .long 0xFFFC0014
+#if 0 /* orig */
+PFC_GPSR4_D: .long 0xFFFFFFFF
+PFC_PMMR_GPSR4: .long 0x00000000
+#else
+PFC_GPSR4_D: .long 0xFBFFFFFF
+PFC_PMMR_GPSR4: .long 0x04000000
+#endif
+
+PFC_GPSR5_A: .long 0xFFFC0018
+PFC_GPSR5_D: .long 0x00000C01
+PFC_PMMR_GPSR5: .long 0xFFFFF3FE
+
+I2C_ICCR2_A: .long 0xFFC70001
+I2C_ICCR2_D: .long 0x00
+I2C_ICCR2_D1: .long 0x20
+
+GPIO2_INOUTSEL1_A: .long 0xFFC41004
+GPIO2_INOUTSEL1_D: .long 0x80408000
+GPIO1_OUTDT1_A: .long 0xFFC41008 /* bit15: LED4, bit22: LED5 */
+GPIO1_OUTDT1_D: .long 0x80408000
+GPIO2_INOUTSEL2_A: .long 0xFFC42004
+GPIO2_INOUTSEL2_D: .long 0x40000120
+GPIO2_OUTDT2_A: .long 0xFFC42008
+GPIO2_OUTDT2_D: .long 0x40000120
+GPIO4_INOUTSEL4_A: .long 0xFFC44004
+GPIO4_INOUTSEL4_D: .long 0x04000000
+GPIO4_OUTDT4_A: .long 0xFFC44008
+GPIO4_OUTDT4_D: .long 0x04000000
+
+CCR_A: .long 0xFF00001C
+CCR_D: .long 0x0000090B
+SR_MASK_D: .long 0xEFFFFF0F
Code Review / kvmfornfv.git / blobdiff