--- /dev/null
+/*
+ * Copyright (C) 2011, 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * Copyright (C) 2011, 2012 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
+CSWCR1_A: .long 0xFF800234
+CSWCR1_D: .long 0x077F077F
+
+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 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 finish_init_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 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 finish_init_sh7734
+ nop
+
+ .align 2
+
+DBKIND_A: .long 0xFE800020
+DBKIND_D: .long 0x00000005
+DBCONF_A: .long 0xFE800024
+DBCONF_D: .long 0x0D020A01
+
+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
+
+DBTR8_A: .long 0xFE800064
+DBTR8_D_533:.long 0x0000000D
+DBTR8_D_400:.long 0x0000000A
+
+DBTR9_A: .long 0xFE800068
+DBTR9_D: .long 0x00000002
+
+DBTR10_A: .long 0xFE80006C
+DBTR10_D_533:.long 0x00000004
+DBTR10_D_400:.long 0x00000003
+
+DBTR11_A: .long 0xFE800070
+DBTR11_D: .long 0x00000008
+
+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
+
+DBTR15_A: .long 0xFE800080
+DBTR15_D: .long 0x00000003
+
+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
+DBCMD_D2: .long 0x2A004000
+DBCMD_D3: .long 0x2B006000
+DBCMD_D4: .long 0x29002044
+DBCMD_D5_533: .long 0x28000743
+DBCMD_D5_400: .long 0x28000533
+DBCMD_D6: .long 0x0B000000
+DBCMD_D7: .long 0x0C000000
+DBCMD_D8: .long 0x0C000000
+DBCMD_D9_533: .long 0x28000643
+DBCMD_D9_400: .long 0x28000433
+DBCMD_D10: .long 0x000000C8
+DBCMD_D11: .long 0x290023C4
+DBCMD_D12: .long 0x29002004
+
+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
+
+finish_init_sh7734:
+ write32 CCR_A, CCR_D
+
+ stc sr, r0
+ mov.l SR_MASK_D, r1
+ and r1, r0
+ ldc r0, sr
+
+ rts
+ nop
+
+ .align 2
+
+CCR_A: .long 0xFF00001C
+CCR_D: .long 0x0000090B
+SR_MASK_D: .long 0xEFFFFF0F
Code Review / kvmfornfv.git / blobdiff