diff options
Diffstat (limited to 'board/syteco/jadecpu/lowlevel_init.S')
| -rw-r--r-- | board/syteco/jadecpu/lowlevel_init.S | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/board/syteco/jadecpu/lowlevel_init.S b/board/syteco/jadecpu/lowlevel_init.S deleted file mode 100644 index 9568cec..0000000 --- a/board/syteco/jadecpu/lowlevel_init.S +++ /dev/null @@ -1,249 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2007, mycable GmbH - * Carsten Schneider <cs@mycable.de>, Alexander Bigga <ab@mycable.de> - * - * (C) Copyright 2003, ARM Ltd. - * Philippe Robin, <philippe.robin@arm.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <version.h> -#include <asm/macro.h> -#include <asm/arch/mb86r0x.h> -#include <generated/asm-offsets.h> - -/* Set up the platform, once the cpu has been initialized */ -.globl lowlevel_init -lowlevel_init: -/* - * Initialize Clock Reset Generator (CRG) - */ - - ldr r0, =MB86R0x_CRG_BASE - - /* Not change the initial value that is set by external pin.*/ -WAIT_PLL: - ldr r2, [r0, #CRG_CRPR] /* Wait for PLLREADY */ - tst r2, #MB86R0x_CRG_CRPR_PLLRDY - beq WAIT_PLL - - /* Set clock gate control */ - ldr r1, =CONFIG_SYS_CRG_CRHA_INIT - str r1, [r0, #CRG_CRHA] - ldr r1, =CONFIG_SYS_CRG_CRPA_INIT - str r1, [r0, #CRG_CRPA] - ldr r1, =CONFIG_SYS_CRG_CRPB_INIT - str r1, [r0, #CRG_CRPB] - ldr r1, =CONFIG_SYS_CRG_CRHB_INIT - str r1, [r0, #CRG_CRHB] - ldr r1, =CONFIG_SYS_CRG_CRAM_INIT - str r1, [r0, #CRG_CRAM] - -/* - * Initialize External Bus Interface - */ - ldr r0, =MB86R0x_MEMC_BASE - - ldr r1, =CONFIG_SYS_MEMC_MCFMODE0_INIT - str r1, [r0, #MEMC_MCFMODE0] - ldr r1, =CONFIG_SYS_MEMC_MCFMODE2_INIT - str r1, [r0, #MEMC_MCFMODE2] - ldr r1, =CONFIG_SYS_MEMC_MCFMODE4_INIT - str r1, [r0, #MEMC_MCFMODE4] - - ldr r1, =CONFIG_SYS_MEMC_MCFTIM0_INIT - str r1, [r0, #MEMC_MCFTIM0] - ldr r1, =CONFIG_SYS_MEMC_MCFTIM2_INIT - str r1, [r0, #MEMC_MCFTIM2] - ldr r1, =CONFIG_SYS_MEMC_MCFTIM4_INIT - str r1, [r0, #MEMC_MCFTIM4] - - ldr r1, =CONFIG_SYS_MEMC_MCFAREA0_INIT - str r1, [r0, #MEMC_MCFAREA0] - ldr r1, =CONFIG_SYS_MEMC_MCFAREA2_INIT - str r1, [r0, #MEMC_MCFAREA2] - ldr r1, =CONFIG_SYS_MEMC_MCFAREA4_INIT - str r1, [r0, #MEMC_MCFAREA4] - -/* - * Initialize DDR2 Controller - */ - - /* Wait for PLL LOCK up time or more */ - wait_timer 20 - - /* - * (2) Initialize DDRIF - */ - ldr r0, =MB86R0x_DDR2_BASE - ldr r1, =CONFIG_SYS_DDR2_DRIMS_INIT - strh r1, [r0, #DDR2_DRIMS] - - /* - * (3) Wait for 20MCKPs(120nsec) or more - */ - wait_timer 20 - - /* - * (4) IRESET/IUSRRST release - */ - ldr r0, =MB86R0x_CCNT_BASE - ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_1 - str r1, [r0, #CCNT_CDCRC] - - /* - * (5) Wait for 20MCKPs(120nsec) or more - */ - wait_timer 20 - - /* - * (6) IDLLRST release - */ - ldr r0, =MB86R0x_CCNT_BASE - ldr r1, =CONFIG_SYS_CCNT_CDCRC_INIT_2 - str r1, [r0, #CCNT_CDCRC] - - /* - * (7+8) Wait for 200us(=200000ns) or more (DDR2 Spec) - */ - wait_timer 33536 - - /* - * (9) MCKE ON - */ - ldr r0, =MB86R0x_DDR2_BASE - ldr r1, =CONFIG_SYS_DDR2_DRIC1_INIT - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_DRIC2_INIT - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =CONFIG_SYS_DDR2_DRCA_INIT - strh r1, [r0, #DDR2_DRCA] - ldr r1, =MB86R0x_DDR2_DRCI_INIT - strh r1, [r0, #DDR2_DRIC] - - /* - * (10) Initialize SDRAM - */ - - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - wait_timer 67 /* 400ns wait */ - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_1 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_1 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_2 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_2 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_3 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_3 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_4 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_4 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_5 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_5 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - wait_timer 200 - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_6 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_6 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_7 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_7 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - wait_timer 18 /* 105ns wait */ - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_8 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_8 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - wait_timer 200 /* MRS to OCD: 200clock */ - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_9 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_9 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC1_10 - strh r1, [r0, #DDR2_DRIC1] - ldr r1, =CONFIG_SYS_DDR2_INIT_DRIC2_10 - strh r1, [r0, #DDR2_DRIC2] - ldr r1, =MB86R0x_DDR2_DRCI_CMD - strh r1, [r0, #DDR2_DRIC] - - ldr r1, =CONFIG_SYS_DDR2_DRCM_INIT - strh r1, [r0, #DDR2_DRCM] - - ldr r1, =CONFIG_SYS_DDR2_DRCST1_INIT - strh r1, [r0, #DDR2_DRCST1] - - ldr r1, =CONFIG_SYS_DDR2_DRCST2_INIT - strh r1, [r0, #DDR2_DRCST2] - - ldr r1, =CONFIG_SYS_DDR2_DRCR_INIT - strh r1, [r0, #DDR2_DRCR] - - ldr r1, =CONFIG_SYS_DDR2_DRCF_INIT - strh r1, [r0, #DDR2_DRCF] - - ldr r1, =CONFIG_SYS_DDR2_DRASR_INIT - strh r1, [r0, #DDR2_DRASR] - - /* - * (11) ODT setting - */ - ldr r1, =CONFIG_SYS_DDR2_DROBS_INIT - strh r1, [r0, #DDR2_DROBS] - ldr r1, =CONFIG_SYS_DDR2_DROABA_INIT - strh r1, [r0, #DDR2_DROABA] - ldr r1, =CONFIG_SYS_DDR2_DRIBSODT1_INIT - strh r1, [r0, #DDR2_DRIBSODT1] - - /* - * (12) Shift to ODTCONT ON (SDRAM side) and DDR2 usual operation mode - */ - ldr r1, =CONFIG_SYS_DDR2_DROS_INIT - strh r1, [r0, #DDR2_DROS] - ldr r1, =MB86R0x_DDR2_DRCI_NORMAL - strh r1, [r0, #DDR2_DRIC] - - mov pc, lr |