*
* u-boot/board/r7780mp/lowlevel_init.S
*
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <version.h>
#include <asm/processor.h>
+#include <asm/macro.h>
/*
- * Board specific low level init code, called _very_ early in the
- * startup sequence. Relocation to SDRAM has not happened yet, no
- * stack is available, bss section has not been initialised, etc.
+ * Board specific low level init code, called _very_ early in the
+ * startup sequence. Relocation to SDRAM has not happened yet, no
+ * stack is available, bss section has not been initialised, etc.
*
- * (Note: As no stack is available, no subroutines can be called...).
+ * (Note: As no stack is available, no subroutines can be called...).
*/
.global lowlevel_init
lowlevel_init:
- mov.l CCR_A, r1 /* Address of Cache Control Register */
- mov.l CCR_D, r0 /* Instruction Cache Invalidate */
- mov.l r0, @r1
+ write32 CCR_A, CCR_D /* Address of Cache Control Register */
+ /* Instruction Cache Invalidate */
- mov.l FRQCR_A, r1 /* Frequency control register */
- mov.l FRQCR_D, r0
- mov.l r0, @r1
+ write32 FRQCR_A, FRQCR_D /* Frequency control register */
/* pin_multi_setting */
- mov.l BBG_PMMR_A,r1
- mov.l BBG_PMMR_D_PMSR1,r0
- mov.l r0,@r1
+ write32 BBG_PMMR_A, BBG_PMMR_D_PMSR1
- mov.l BBG_PMSR1_A,r1
- mov.l BBG_PMSR1_D,r0
- mov.l r0,@r1
+ write32 BBG_PMSR1_A, BBG_PMSR1_D
- mov.l BBG_PMMR_A,r1
- mov.l BBG_PMMR_D_PMSR2,r0
- mov.l r0,@r1
+ write32 BBG_PMMR_A, BBG_PMMR_D_PMSR2
- mov.l BBG_PMSR2_A,r1
- mov.l BBG_PMSR2_D,r0
- mov.l r0,@r1
+ write32 BBG_PMSR2_A, BBG_PMSR2_D
- mov.l BBG_PMMR_A,r1
- mov.l BBG_PMMR_D_PMSR3,r0
- mov.l r0,@r1
+ write32 BBG_PMMR_A, BBG_PMMR_D_PMSR3
- mov.l BBG_PMSR3_A,r1
- mov.l BBG_PMSR3_D,r0
- mov.l r0,@r1
+ write32 BBG_PMSR3_A, BBG_PMSR3_D
- mov.l BBG_PMMR_A,r1
- mov.l BBG_PMMR_D_PMSR4,r0
- mov.l r0,@r1
+ write32 BBG_PMMR_A, BBG_PMMR_D_PMSR4
- mov.l BBG_PMSR4_A,r1
- mov.l BBG_PMSR4_D,r0
- mov.l r0,@r1
+ write32 BBG_PMSR4_A, BBG_PMSR4_D
- mov.l BBG_PMMR_A,r1
- mov.l BBG_PMMR_D_PMSRG,r0
- mov.l r0,@r1
+ write32 BBG_PMMR_A, BBG_PMMR_D_PMSRG
- mov.l BBG_PMSRG_A,r1
- mov.l BBG_PMSRG_D,r0
- mov.l r0,@r1
+ write32 BBG_PMSRG_A, BBG_PMSRG_D
/* cpg_setting */
- mov.l FRQCR_A,r1
- mov.l FRQCR_D,r0
- mov.l r0,@r1
+ write32 FRQCR_A, FRQCR_D
- mov.l DLLCSR_A,r1
- mov.l DLLCSR_D,r0
- mov.l r0,@r1
+ write32 DLLCSR_A, DLLCSR_D
nop
nop
nop
/* wait 200us */
- mov.l REPEAT0_R3,r3
- mov #0,r2
+ mov.l REPEAT0_R3, r3
+ mov #0, r2
repeat0:
- add #1,r2
- cmp/hs r3,r2
- bf repeat0
+ add #1, r2
+ cmp/hs r3, r2
+ bf repeat0
nop
/* bsc_setting */
- mov.l MMSELR_A,r1
- mov.l MMSELR_D,r0
- mov.l r0,@r1
+ write32 MMSELR_A, MMSELR_D
- mov.l BCR_A,r1
- mov.l BCR_D,r0
- mov.l r0,@r1
+ write32 BCR_A, BCR_D
- mov.l CS0BCR_A,r1
- mov.l CS0BCR_D,r0
- mov.l r0,@r1
+ write32 CS0BCR_A, CS0BCR_D
- mov.l CS1BCR_A,r1
- mov.l CS1BCR_D,r0
- mov.l r0,@r1
+ write32 CS1BCR_A, CS1BCR_D
- mov.l CS2BCR_A,r1
- mov.l CS2BCR_D,r0
- mov.l r0,@r1
+ write32 CS2BCR_A, CS2BCR_D
- mov.l CS4BCR_A,r1
- mov.l CS4BCR_D,r0
- mov.l r0,@r1
+ write32 CS4BCR_A, CS4BCR_D
- mov.l CS5BCR_A,r1
- mov.l CS5BCR_D,r0
- mov.l r0,@r1
+ write32 CS5BCR_A, CS5BCR_D
- mov.l CS6BCR_A,r1
- mov.l CS6BCR_D,r0
- mov.l r0,@r1
+ write32 CS6BCR_A, CS6BCR_D
- mov.l CS0WCR_A,r1
- mov.l CS0WCR_D,r0
- mov.l r0,@r1
+ write32 CS0WCR_A, CS0WCR_D
- mov.l CS1WCR_A,r1
- mov.l CS1WCR_D,r0
- mov.l r0,@r1
+ write32 CS1WCR_A, CS1WCR_D
- mov.l CS2WCR_A,r1
- mov.l CS2WCR_D,r0
- mov.l r0,@r1
+ write32 CS2WCR_A, CS2WCR_D
- mov.l CS4WCR_A,r1
- mov.l CS4WCR_D,r0
- mov.l r0,@r1
+ write32 CS4WCR_A, CS4WCR_D
- mov.l CS5WCR_A,r1
- mov.l CS5WCR_D,r0
- mov.l r0,@r1
+ write32 CS5WCR_A, CS5WCR_D
- mov.l CS6WCR_A,r1
- mov.l CS6WCR_D,r0
- mov.l r0,@r1
+ write32 CS6WCR_A, CS6WCR_D
- mov.l CS5PCR_A,r1
- mov.l CS5PCR_D,r0
- mov.l r0,@r1
+ write32 CS5PCR_A, CS5PCR_D
- mov.l CS6PCR_A,r1
- mov.l CS6PCR_D,r0
- mov.l r0,@r1
+ write32 CS6PCR_A, CS6PCR_D
/* ddr_setting */
/* wait 200us */
- mov.l REPEAT0_R3,r3
- mov #0,r2
+ mov.l REPEAT0_R3, r3
+ mov #0, r2
repeat1:
- add #1,r2
- cmp/hs r3,r2
- bf repeat1
+ add #1, r2
+ cmp/hs r3, r2
+ bf repeat1
nop
- mov.l MIM_U_A,r0
- mov.l MIM_U_D,r1
+ mov.l MIM_U_A, r0
+ mov.l MIM_U_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
- mov.l MIM_L_A,r0
- mov.l MIM_L_D0,r1
+ mov.l MIM_L_A, r0
+ mov.l MIM_L_D0, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
- mov.l STR_L_A,r0
- mov.l STR_L_D,r1
+ mov.l STR_L_A, r0
+ mov.l STR_L_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
- mov.l SDR_L_A,r0
- mov.l SDR_L_D,r1
+ mov.l SDR_L_A, r0
+ mov.l SDR_L_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l SCR_L_A,r0
- mov.l SCR_L_D0,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D0, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
- mov.l SCR_L_A,r0
- mov.l SCR_L_D1,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D1, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l EMRS_A,r0
- mov.l EMRS_D,r1
+ mov.l EMRS_A, r0
+ mov.l EMRS_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l MRS1_A,r0
- mov.l MRS1_D,r1
+ mov.l MRS1_A, r0
+ mov.l MRS1_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l SCR_L_A,r0
- mov.l SCR_L_D2,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D2, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l SCR_L_A,r0
- mov.l SCR_L_D3,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D3, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l SCR_L_A,r0
- mov.l SCR_L_D4,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D4, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l MRS2_A,r0
- mov.l MRS2_D,r1
+ mov.l MRS2_A, r0
+ mov.l MRS2_D, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
nop
nop
nop
- mov.l SCR_L_A,r0
- mov.l SCR_L_D5,r1
+ mov.l SCR_L_A, r0
+ mov.l SCR_L_D5, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
/* wait 200us */
- mov.l REPEAT0_R1,r3
- mov #0,r2
+ mov.l REPEAT0_R1, r3
+ mov #0, r2
repeat2:
- add #1,r2
- cmp/hs r3,r2
- bf repeat2
+ add #1, r2
+ cmp/hs r3, r2
+ bf repeat2
synco
- mov.l MIM_L_A,r0
- mov.l MIM_L_D1,r1
+ mov.l MIM_L_A, r0
+ mov.l MIM_L_D1, r1
synco
- mov.l r1,@r0
+ mov.l r1, @r0
synco
rts
nop
.align 4
-RWTCSR_D_1: .word 0xA507
-RWTCSR_D_2: .word 0xA507
-RWTCNT_D: .word 0x5A00
+RWTCSR_D_1: .word 0xA507
+RWTCSR_D_2: .word 0xA507
+RWTCNT_D: .word 0x5A00
.align 2
-BBG_PMMR_A: .long 0xFF800010
-BBG_PMSR1_A: .long 0xFF800014
-BBG_PMSR2_A: .long 0xFF800018
-BBG_PMSR3_A: .long 0xFF80001C
-BBG_PMSR4_A: .long 0xFF800020
-BBG_PMSRG_A: .long 0xFF800024
-
-BBG_PMMR_D_PMSR1: .long 0xffffbffd
-BBG_PMSR1_D: .long 0x00004002
-BBG_PMMR_D_PMSR2: .long 0xfc21a7ff
-BBG_PMSR2_D: .long 0x03de5800
-BBG_PMMR_D_PMSR3: .long 0xfffffff8
-BBG_PMSR3_D: .long 0x00000007
-BBG_PMMR_D_PMSR4: .long 0xdffdfff9
-BBG_PMSR4_D: .long 0x20020006
-BBG_PMMR_D_PMSRG: .long 0xffffffff
-BBG_PMSRG_D: .long 0x00000000
-
-FRQCR_A: .long FRQCR
-DLLCSR_A: .long 0xffc40010
-FRQCR_D: .long 0x40233035
-DLLCSR_D: .long 0x00000000
+BBG_PMMR_A: .long 0xFF800010
+BBG_PMSR1_A: .long 0xFF800014
+BBG_PMSR2_A: .long 0xFF800018
+BBG_PMSR3_A: .long 0xFF80001C
+BBG_PMSR4_A: .long 0xFF800020
+BBG_PMSRG_A: .long 0xFF800024
+
+BBG_PMMR_D_PMSR1: .long 0xffffbffd
+BBG_PMSR1_D: .long 0x00004002
+BBG_PMMR_D_PMSR2: .long 0xfc21a7ff
+BBG_PMSR2_D: .long 0x03de5800
+BBG_PMMR_D_PMSR3: .long 0xfffffff8
+BBG_PMSR3_D: .long 0x00000007
+BBG_PMMR_D_PMSR4: .long 0xdffdfff9
+BBG_PMSR4_D: .long 0x20020006
+BBG_PMMR_D_PMSRG: .long 0xffffffff
+BBG_PMSRG_D: .long 0x00000000
+
+FRQCR_A: .long FRQCR
+DLLCSR_A: .long 0xffc40010
+FRQCR_D: .long 0x40233035
+DLLCSR_D: .long 0x00000000
/* for DDR-SDRAM */
-MIM_U_A: .long MIM_1
-MIM_L_A: .long MIM_2
-SCR_U_A: .long SCR_1
-SCR_L_A: .long SCR_2
-STR_U_A: .long STR_1
-STR_L_A: .long STR_2
-SDR_U_A: .long SDR_1
-SDR_L_A: .long SDR_2
-
-EMRS_A: .long 0xFEC02000
-MRS1_A: .long 0xFEC00B08
-MRS2_A: .long 0xFEC00308
-
-MIM_U_D: .long 0x00004000
-MIM_L_D0: .long 0x03e80009
-MIM_L_D1: .long 0x03e80209
-SCR_L_D0: .long 0x3
-SCR_L_D1: .long 0x2
-SCR_L_D2: .long 0x2
-SCR_L_D3: .long 0x4
-SCR_L_D4: .long 0x4
-SCR_L_D5: .long 0x0
-STR_L_D: .long 0x000f0000
-SDR_L_D: .long 0x00000400
-EMRS_D: .long 0x0
-MRS1_D: .long 0x0
-MRS2_D: .long 0x0
+MIM_U_A: .long MIM_1
+MIM_L_A: .long MIM_2
+SCR_U_A: .long SCR_1
+SCR_L_A: .long SCR_2
+STR_U_A: .long STR_1
+STR_L_A: .long STR_2
+SDR_U_A: .long SDR_1
+SDR_L_A: .long SDR_2
+
+EMRS_A: .long 0xFEC02000
+MRS1_A: .long 0xFEC00B08
+MRS2_A: .long 0xFEC00308
+
+MIM_U_D: .long 0x00004000
+MIM_L_D0: .long 0x03e80009
+MIM_L_D1: .long 0x03e80209
+SCR_L_D0: .long 0x3
+SCR_L_D1: .long 0x2
+SCR_L_D2: .long 0x2
+SCR_L_D3: .long 0x4
+SCR_L_D4: .long 0x4
+SCR_L_D5: .long 0x0
+STR_L_D: .long 0x000f0000
+SDR_L_D: .long 0x00000400
+EMRS_D: .long 0x0
+MRS1_D: .long 0x0
+MRS2_D: .long 0x0
/* Cache Controller */
-CCR_A: .long CCR
-MMUCR_A: .long MMUCR
-RWTCNT_A: .long WTCNT
+CCR_A: .long CCR
+MMUCR_A: .long MMUCR
+RWTCNT_A: .long WTCNT
-CCR_D: .long 0x0000090b
-CCR_D_2: .long 0x00000103
-MMUCR_D: .long 0x00000004
-MSTPCR0_D: .long 0x00001001
-MSTPCR2_D: .long 0xffffffff
+CCR_D: .long 0x0000090b
+CCR_D_2: .long 0x00000103
+MMUCR_D: .long 0x00000004
+MSTPCR0_D: .long 0x00001001
+MSTPCR2_D: .long 0xffffffff
/* local Bus State Controller */
-MMSELR_A: .long MMSELR
-BCR_A: .long BCR
-CS0BCR_A: .long CS0BCR
-CS1BCR_A: .long CS1BCR
-CS2BCR_A: .long CS2BCR
-CS4BCR_A: .long CS4BCR
-CS5BCR_A: .long CS5BCR
-CS6BCR_A: .long CS6BCR
-CS0WCR_A: .long CS0WCR
-CS1WCR_A: .long CS1WCR
-CS2WCR_A: .long CS2WCR
-CS4WCR_A: .long CS4WCR
-CS5WCR_A: .long CS5WCR
-CS6WCR_A: .long CS6WCR
-CS5PCR_A: .long CS5PCR
-CS6PCR_A: .long CS6PCR
+MMSELR_A: .long MMSELR
+BCR_A: .long BCR
+CS0BCR_A: .long CS0BCR
+CS1BCR_A: .long CS1BCR
+CS2BCR_A: .long CS2BCR
+CS4BCR_A: .long CS4BCR
+CS5BCR_A: .long CS5BCR
+CS6BCR_A: .long CS6BCR
+CS0WCR_A: .long CS0WCR
+CS1WCR_A: .long CS1WCR
+CS2WCR_A: .long CS2WCR
+CS4WCR_A: .long CS4WCR
+CS5WCR_A: .long CS5WCR
+CS6WCR_A: .long CS6WCR
+CS5PCR_A: .long CS5PCR
+CS6PCR_A: .long CS6PCR
MMSELR_D: .long 0xA5A50003
BCR_D: .long 0x00000000
CS5PCR_D: .long 0x77000000
CS6PCR_D: .long 0x77000000
-REPEAT0_R3: .long 0x00002000
-REPEAT0_R1: .long 0x0000200
+REPEAT0_R3: .long 0x00002000
+REPEAT0_R1: .long 0x0000200