--- /dev/null
+/*
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ * Copyright (C) 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+ *
+ * board/espt/lowlevel_init.S
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <version.h>
+#include <asm/processor.h>
+#include <asm/macro.h>
+
+ .global lowlevel_init
+
+ .text
+ .align 2
+
+lowlevel_init:
+
+ write32 WDTCSR_A, WDTCSR_D
+
+ write32 WDTST_A, WDTST_D
+
+ write32 WDTBST_A, WDTBST_D
+
+ write32 CCR_A, CCR_CACHE_ICI_D
+
+ write32 MMUCR_A, MMU_CONTROL_TI_D
+
+ write32 MSTPCR0_A, MSTPCR0_D
+
+ write32 MSTPCR1_A, MSTPCR1_D
+
+ write32 RAMCR_A, RAMCR_D
+
+ /*
+ * Setting infomation from
+ * original ESPT-GIGA bootloader register
+ */
+ write32 MMSEL_A, MMSEL_D
+
+ /* dummy */
+ mov.l @r1, r2
+ mov.l @r1, r2
+ synco
+
+ write32 BCR_A, BCR_D
+
+ write32 CS0BCR_A, CS0BCR_D
+
+ write32 CS0WCR_A, CS0WCR_D
+
+ /*
+ * DDR-SDRAM setting
+ */
+
+ /* set DDR-SDRAM dummy read */
+ write32 MMSEL_A, MMSEL_D
+
+ write32 MMSEL_A, CS0_A
+
+ /* set DDR-SDRAM bus/endian etc */
+ write32 MIM_U_A, MIM_U_D
+
+ write32 MIM_L_A, MIM_L_D0
+
+ write32 SDR_L_A, SDR_L_A_D0
+
+ write32 STR_L_A, STR_L_A_D0
+
+ /* DDR-SDRAM access control */
+ write32 MIM_L_A, MIM_L_D1
+
+ write32 SCR_L_A, SCR_L_A_D0
+
+ write32 SCR_L_A, SCR_L_A_D1
+
+ write32 EMRS_A, EMRS_D
+
+ write32 MRS1_A, MRS1_D
+
+ write32 MIM_U_A, MIM_U_D
+
+ write32 MIM_L_A, MIM_L_A_D2
+
+ write32 SCR_L_A, SCR_L_A_D2
+
+ write32 SCR_L_A, SCR_L_A_D2
+
+ write32 MRS2_A, MRS2_D
+
+ /* wait 200us */
+ wait_timer REPEAT_R3
+
+ /* GPIO setting */
+ write16 PSEL0_A, PSEL0_D
+
+ write16 PSEL1_A, PSEL1_D
+
+ write16 PSEL2_A, PSEL2_D
+
+ write16 PSEL3_A, PSEL3_D
+
+ write16 PSEL4_A, PSEL4_D
+
+ write8 PADR_A, PADR_D
+
+ write16 PACR_A, PACR_D
+
+ write8 PBDR_A, PBDR_D
+
+ write16 PBCR_A, PBCR_D
+
+ write8 PCDR_A, PCDR_D
+
+ write16 PCCR_A, PCCR_D
+
+ write8 PDDR_A, PDDR_D
+
+ write16 PDCR_A, PDCR_D
+
+ write16 PECR_A, PECR_D
+
+ write16 PFCR_A, PFCR_D
+
+ write16 PGCR_A, PGCR_D
+
+ write16 PHCR_A, PHCR_D
+
+ write16 PICR_A, PICR_D
+
+ write8 PJDR_A, PJDR_D
+
+ write16 PJCR_A, PJCR_D
+
+ /* wait 50us */
+ wait_timer REPEAT_R3
+
+ write8 PKDR_A, PKDR_D
+
+ write16 PKCR_A, PKCR_D
+
+ write16 PLCR_A, PLCR_D
+
+ write16 PMCR_A, PMCR_D
+
+ write16 PNCR_A, PNCR_D
+
+ write16 POCR_A, POCR_D
+
+
+ /* ICR0 ,ICR1 */
+ write32 ICR0_A, ICR0_D
+
+ write32 ICR1_A, ICR1_D
+
+ /* USB Host */
+ write32 USB_USBHSC_A, USB_USBHSC_D
+
+ write32 CCR_A, CCR_CACHE_D_2
+
+ rts
+ nop
+
+ .align 2
+
+/* GPIO Crontrol Register */
+PACR_A: .long 0xFFEF0000
+PBCR_A: .long 0xFFEF0002
+PCCR_A: .long 0xFFEF0004
+PDCR_A: .long 0xFFEF0006
+PECR_A: .long 0xFFEF0008
+PFCR_A: .long 0xFFEF000A
+PGCR_A: .long 0xFFEF000C
+PHCR_A: .long 0xFFEF000E
+PICR_A: .long 0xFFEF0010
+PJCR_A: .long 0xFFEF0012
+PKCR_A: .long 0xFFEF0014
+PLCR_A: .long 0xFFEF0016
+PMCR_A: .long 0xFFEF0018
+PNCR_A: .long 0xFFEF001A
+POCR_A: .long 0xFFEF001C
+
+/* GPIO Data Register */
+PADR_A: .long 0xFFEF0020
+PBDR_A: .long 0xFFEF0022
+PCDR_A: .long 0xFFEF0024
+PDDR_A: .long 0xFFEF0026
+PJDR_A: .long 0xFFEF0032
+PKDR_A: .long 0xFFEF0034
+
+/* GPIO Set data */
+PADR_D: .long 0x00000000
+PACR_D: .word 0x1400
+.align 2
+PBDR_D: .long 0x00000000
+PBCR_D: .word 0x555A
+.align 2
+PCDR_D: .long 0x00000000
+PCCR_D: .word 0x5555
+.align 2
+PDDR_D: .long 0x00000000
+PDCR_D: .word 0x0155
+PECR_D: .word 0x0000
+PFCR_D: .word 0x0000
+PGCR_D: .word 0x0000
+PHCR_D: .word 0x0000
+PICR_D: .word 0x0800
+PJDR_D: .long 0x00000006
+PJCR_D: .word 0x5A57
+.align 2
+PKDR_D: .long 0x00000000
+PKCR_D: .word 0xFFF9
+.align 2
+PLCR_D: .word 0xC330
+PMCR_D: .word 0xFFFF
+PNCR_D: .word 0x0242
+POCR_D: .word 0x0000
+
+/* Pin Select */
+PSEL0_A: .long 0xFFEF0070
+PSEL1_A: .long 0xFFEF0072
+PSEL2_A: .long 0xFFEF0074
+PSEL3_A: .long 0xFFEF0076
+PSEL4_A: .long 0xFFEF0078
+PSEL0_D: .word 0x0001
+PSEL1_D: .word 0x2400
+PSEL2_D: .word 0x0000
+PSEL3_D: .word 0x2421
+PSEL4_D: .word 0x0000
+.align 2
+
+MMSEL_A: .long 0xFE600020
+BCR_A: .long 0xFF801000
+CS0BCR_A: .long 0xFF802000
+CS0WCR_A: .long 0xFF802008
+ICR0_A: .long 0xFFD00000
+ICR1_A: .long 0xFFD0001C
+
+MMSEL_D: .long 0xA5A50000
+BCR_D: .long 0x05000000
+CS0BCR_D: .long 0x232306F0
+CS0WCR_D: .long 0x00011104
+ICR0_D: .long 0x80C00000
+ICR1_D: .long 0x00020000
+
+/* RWBT Address */
+WDTST_A: .long 0xFFCC0000
+WDTCSR_A: .long 0xFFCC0004
+WDTBST_A: .long 0xFFCC0008
+/* RWBT Data */
+WDTST_D: .long 0x5A000FFF
+WDTCSR_D: .long 0xA5000000
+WDTBST_D: .long 0x55000000
+
+/* Cache Address */
+CCR_A: .long 0xFF00001C
+MMUCR_A: .long 0xFF000010
+RAMCR_A: .long 0xFF000074
+
+/* Cache Data */
+CCR_CACHE_ICI_D:.long 0x00000800
+CCR_CACHE_D_2: .long 0x00000103
+MMU_CONTROL_TI_D:.long 0x00000004
+RAMCR_D: .long 0x00000200
+
+/* Low power mode control Address */
+MSTPCR0_A: .long 0xFFC80030
+MSTPCR1_A: .long 0xFFC80038
+/* Low power mode control Data */
+MSTPCR0_D: .long 0x00000000
+MSTPCR1_D: .long 0x00000000
+
+REPEAT0_R3: .long 0x00002000
+REPEAT_R3: .long 0x00000200
+CS0_A: .long 0xA8000000
+
+MIM_U_A: .long 0xFE800008
+MIM_L_A: .long 0xFE80000C
+SCR_U_A: .long 0xFE800010
+SCR_L_A: .long 0xFE800014
+STR_U_A: .long 0xFE800018
+STR_L_A: .long 0xFE80001C
+SDR_U_A: .long 0xFE800030
+SDR_L_A: .long 0xFE800034
+EMRS_A: .long 0xFE902000
+MRS1_A: .long 0xFE900B08
+MRS2_A: .long 0xFE900308
+
+MIM_U_D: .long 0x00000000
+MIM_L_D0: .long 0x04100008
+MIM_L_D1: .long 0x02EE0009
+MIM_L_D2: .long 0x02EE0209
+
+SDR_L_A_D0: .long 0x00000300
+STR_L_A_D0: .long 0x00010040
+MIM_L_A_D1: .long 0x04100009
+SCR_L_A_D0: .long 0x00000003
+SCR_L_A_D1: .long 0x00000002
+MIM_L_A_D2: .long 0x04100209
+SCR_L_A_D2: .long 0x00000004
+
+SCR_L_NORMAL: .long 0x00000000
+SCR_L_NOP: .long 0x00000001
+SCR_L_PALL: .long 0x00000002
+SCR_L_CKE_EN: .long 0x00000003
+SCR_L_CBR: .long 0x00000004
+
+STR_L_D: .long 0x000F3980
+SDR_L_D: .long 0x00000400
+EMRS_D: .long 0x00000000
+MRS1_D: .long 0x00000000
+MRS2_D: .long 0x00000000
+
+/* USB */
+USB_USBHSC_A: .long 0xFFEC80F0
+USB_USBHSC_D: .long 0x00000000
Code Review / kvmfornfv.git / blobdiff