1 files changed, 0 insertions, 693 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/lowlevel_init.S b/arch/arm/cpu/arm926ejs/davinci/lowlevel_init.S
deleted file mode 100644
index e91623497c..0000000000
--- a/arch/arm/cpu/arm926ejs/davinci/lowlevel_init.S
+++ /dev/null
@@ -1,693 +0,0 @@
-/*
- * Low-level board setup code for TI DaVinci SoC based boards.
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
- * Partially based on TI sources, original copyrights follow:
- */
-
-/*
- * Board specific setup info
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
- *
- * Modified for OMAP 5912 OSK board by Rishi Bhattacharya, Apr 2004
- *
- * Modified for DV-EVM board by Rishi Bhattacharya, Apr 2005
- *
- * Modified for DV-EVM board by Swaminathan S, Nov 2005
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <config.h>
-
-#define MDSTAT_STATE	0x3f
-
-.globl	lowlevel_init
-lowlevel_init:
-#ifdef CONFIG_SOC_DM644X
-
-	/*-------------------------------------------------------*
-	 * Mask all IRQs by setting all bits in the EINT default *
-	 *-------------------------------------------------------*/
-	mov	r1, $0
-	ldr	r0, =EINT_ENABLE0
-	str	r1, [r0]
-	ldr	r0, =EINT_ENABLE1
-	str	r1, [r0]
-
-	/*------------------------------------------------------*
-	 * Put the GEM in reset					*
-	 *------------------------------------------------------*/
-
-	/* Put the GEM in reset */
-	ldr	r8, PSC_GEM_FLAG_CLEAR
-	ldr	r6, MDCTL_GEM
-	ldr	r7, [r6]
-	and	r7, r7, r8
-	str	r7, [r6]
-
-	/* Enable the Power Domain Transition Command */
-	ldr	r6, PTCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x02
-	str	r7, [r6]
-
-	/* Check for Transition Complete(PTSTAT) */
-checkStatClkStopGem:
-	ldr	r6, PTSTAT
-	ldr	r7, [r6]
-	ands	r7, r7, $0x02
-	bne	checkStatClkStopGem
-
-	/* Check for GEM Reset Completion */
-checkGemStatClkStop:
-	ldr	r6, MDSTAT_GEM
-	ldr	r7, [r6]
-	ands	r7, r7, $0x100
-	bne	checkGemStatClkStop
-
-	/* Do this for enabling a WDT initiated reset this is a workaround
-	   for a chip bug.  Not required under normal situations */
-	ldr	r6, P1394
-	mov	r10, $0
-	str	r10, [r6]
-
-	/*------------------------------------------------------*
-	 * Enable L1 & L2 Memories in Fast mode                 *
-	 *------------------------------------------------------*/
-	ldr	r6, DFT_ENABLE
-	mov	r10, $0x01
-	str	r10, [r6]
-
-	ldr	r6, MMARG_BRF0
-	ldr	r10, MMARG_BRF0_VAL
-	str	r10, [r6]
-
-	ldr	r6, DFT_ENABLE
-	mov	r10, $0
-	str	r10, [r6]
-
-	/*------------------------------------------------------*
-	 * DDR2 PLL Initialization				*
-	 *------------------------------------------------------*/
-
-	/* Select the Clock Mode Depending on the Value written in the Boot Table by the run script */
-	mov	r10, $0
-	ldr	r6, PLL2_CTL
-	ldr	r7, PLL_CLKSRC_MASK
-	ldr	r8, [r6]
-	and	r8, r8, r7
-	mov	r9, r10, lsl $8
-	orr	r8, r8, r9
-	str	r8, [r6]
-
-	/* Select the PLLEN source */
-	ldr	r7, PLL_ENSRC_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Bypass the PLL */
-	ldr	r7, PLL_BYPASS_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Wait for few cycles to allow PLLEN Mux switch properly to bypass Clock */
-	mov	r10, $0x20
-WaitPPL2Loop:
-	subs	r10, r10, $1
-	bne	WaitPPL2Loop
-
-	/* Reset the PLL */
-	ldr	r7, PLL_RESET_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Power up the PLL */
-	ldr	r7, PLL_PWRUP_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Enable the PLL from Disable Mode */
-	ldr	r7, PLL_DISABLE_ENABLE_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Program the PLL Multiplier */
-	ldr	r6, PLL2_PLLM
-	mov	r2, $0x17	/* 162 MHz */
-	str	r2, [r6]
-
-	/* Program the PLL2 Divisor Value */
-	ldr	r6, PLL2_DIV2
-	mov	r3, $0x01
-	str	r3, [r6]
-
-	/* Program the PLL2 Divisor Value */
-	ldr	r6, PLL2_DIV1
-	mov	r4, $0x0b	/* 54 MHz */
-	str	r4, [r6]
-
-	/* PLL2 DIV2 MMR */
-	ldr	r8, PLL2_DIV_MASK
-	ldr	r6, PLL2_DIV2
-	ldr	r9, [r6]
-	and	r8, r8, r9
-	mov	r9, $0x01
-	mov	r9, r9, lsl $15
-	orr	r8, r8, r9
-	str	r8, [r6]
-
-	/* Program the GOSET bit to take new divider values */
-	ldr	r6, PLL2_PLLCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Wait for Done */
-	ldr	r6, PLL2_PLLSTAT
-doneLoop_0:
-	ldr	r7, [r6]
-	ands	r7, r7, $0x01
-	bne	doneLoop_0
-
-	/* PLL2 DIV1 MMR */
-	ldr	r8, PLL2_DIV_MASK
-	ldr	r6, PLL2_DIV1
-	ldr	r9, [r6]
-	and	r8, r8, r9
-	mov	r9, $0x01
-	mov	r9, r9, lsl $15
-	orr	r8, r8, r9
-	str	r8, [r6]
-
-	/* Program the GOSET bit to take new divider values */
-	ldr	r6, PLL2_PLLCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Wait for Done */
-	ldr	r6, PLL2_PLLSTAT
-doneLoop:
-	ldr	r7, [r6]
-	ands	r7, r7, $0x01
-	bne	doneLoop
-
-	/* Wait for PLL to Reset Properly */
-	mov	r10, $0x218
-ResetPPL2Loop:
-	subs	r10, r10, $1
-	bne	ResetPPL2Loop
-
-	/* Bring PLL out of Reset */
-	ldr	r6, PLL2_CTL
-	ldr	r8, [r6]
-	orr	r8, r8, $0x08
-	str	r8, [r6]
-
-	/* Wait for PLL to Lock */
-	ldr	r10, PLL_LOCK_COUNT
-PLL2Lock:
-	subs	r10, r10, $1
-	bne	PLL2Lock
-
-	/* Enable the PLL */
-	ldr	r6, PLL2_CTL
-	ldr	r8, [r6]
-	orr	r8, r8, $0x01
-	str	r8, [r6]
-
-	/*------------------------------------------------------*
-	 * Issue Soft Reset to DDR Module			*
-	 *------------------------------------------------------*/
-
-	/* Shut down the DDR2 LPSC Module */
-	ldr	r8, PSC_FLAG_CLEAR
-	ldr	r6, MDCTL_DDR2
-	ldr	r7, [r6]
-	and	r7, r7, r8
-	orr	r7, r7, $0x03
-	str	r7, [r6]
-
-	/* Enable the Power Domain Transition Command */
-	ldr	r6, PTCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Check for Transition Complete(PTSTAT) */
-checkStatClkStop:
-	ldr	r6, PTSTAT
-	ldr	r7, [r6]
-	ands	r7, r7, $0x01
-	bne	checkStatClkStop
-
-	/* Check for DDR2 Controller Enable Completion */
-checkDDRStatClkStop:
-	ldr	r6, MDSTAT_DDR2
-	ldr	r7, [r6]
-	and	r7, r7, $MDSTAT_STATE
-	cmp	r7, $0x03
-	bne	checkDDRStatClkStop
-
-	/*------------------------------------------------------*
-	 * Program DDR2 MMRs for 162MHz Setting			*
-	 *------------------------------------------------------*/
-
-	/* Program PHY Control Register */
-	ldr	r6, DDRCTL
-	ldr	r7, DDRCTL_VAL
-	str	r7, [r6]
-
-	/* Program SDRAM Bank Config Register */
-	ldr	r6, SDCFG
-	ldr	r7, SDCFG_VAL
-	str	r7, [r6]
-
-	/* Program SDRAM TIM-0 Config Register */
-	ldr	r6, SDTIM0
-	ldr	r7, SDTIM0_VAL_162MHz
-	str	r7, [r6]
-
-	/* Program SDRAM TIM-1 Config Register */
-	ldr	r6, SDTIM1
-	ldr	r7, SDTIM1_VAL_162MHz
-	str	r7, [r6]
-
-	/* Program the SDRAM Bank Config Control Register */
-	ldr	r10, MASK_VAL
-	ldr	r8, SDCFG
-	ldr	r9, SDCFG_VAL
-	and	r9, r9, r10
-	str	r9, [r8]
-
-	/* Program SDRAM SDREF Config Register */
-	ldr	r6, SDREF
-	ldr	r7, SDREF_VAL
-	str	r7, [r6]
-
-	/*------------------------------------------------------*
-	 * Issue Soft Reset to DDR Module			*
-	 *------------------------------------------------------*/
-
-	/* Issue a Dummy DDR2 read/write */
-	ldr	r8, DDR2_START_ADDR
-	ldr	r7, DUMMY_VAL
-	str	r7, [r8]
-	ldr	r7, [r8]
-
-	/* Shut down the DDR2 LPSC Module */
-	ldr	r8, PSC_FLAG_CLEAR
-	ldr	r6, MDCTL_DDR2
-	ldr	r7, [r6]
-	and	r7, r7, r8
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Enable the Power Domain Transition Command */
-	ldr	r6, PTCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Check for Transition Complete(PTSTAT) */
-checkStatClkStop2:
-	ldr	r6, PTSTAT
-	ldr	r7, [r6]
-	ands	r7, r7, $0x01
-	bne	checkStatClkStop2
-
-	/* Check for DDR2 Controller Enable Completion */
-checkDDRStatClkStop2:
-	ldr	r6, MDSTAT_DDR2
-	ldr	r7, [r6]
-	and	r7, r7, $MDSTAT_STATE
-	cmp	r7, $0x01
-	bne	checkDDRStatClkStop2
-
-	/*------------------------------------------------------*
-	 * Turn DDR2 Controller Clocks On			*
-	 *------------------------------------------------------*/
-
-	/* Enable the DDR2 LPSC Module */
-	ldr	r6, MDCTL_DDR2
-	ldr	r7, [r6]
-	orr	r7, r7, $0x03
-	str	r7, [r6]
-
-	/* Enable the Power Domain Transition Command */
-	ldr	r6, PTCMD
-	ldr	r7, [r6]
-	orr	r7, r7, $0x01
-	str	r7, [r6]
-
-	/* Check for Transition Complete(PTSTAT) */
-checkStatClkEn2:
-	ldr	r6, PTSTAT
-	ldr	r7, [r6]
-	ands	r7, r7, $0x01
-	bne	checkStatClkEn2
-
-	/* Check for DDR2 Controller Enable Completion */
-checkDDRStatClkEn2:
-	ldr	r6, MDSTAT_DDR2
-	ldr	r7, [r6]
-	and	r7, r7, $MDSTAT_STATE
-	cmp	r7, $0x03
-	bne	checkDDRStatClkEn2
-
-	/*  DDR Writes and Reads */
-	ldr	r6, CFGTEST
-	mov	r3, $0x01
-	str	r3, [r6]
-
-	/*------------------------------------------------------*
-	 * System PLL Initialization				*
-	 *------------------------------------------------------*/
-
-	/* Select the Clock Mode Depending on the Value written in the Boot Table by the run script */
-	mov	r2, $0
-	ldr	r6, PLL1_CTL
-	ldr	r7, PLL_CLKSRC_MASK
-	ldr	r8, [r6]
-	and	r8, r8, r7
-	mov	r9, r2, lsl $8
-	orr	r8, r8, r9
-	str	r8, [r6]
-
-	/* Select the PLLEN source */
-	ldr	r7, PLL_ENSRC_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Bypass the PLL */
-	ldr	r7, PLL_BYPASS_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Wait for few cycles to allow PLLEN Mux switch properly to bypass Clock */
-	mov	r10, $0x20
-
-WaitLoop:
-	subs	r10, r10, $1
-	bne	WaitLoop
-
-	/* Reset the PLL */
-	ldr	r7, PLL_RESET_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Disable the PLL */
-	orr	r8, r8, $0x10
-	str	r8, [r6]
-
-	/* Power up the PLL */
-	ldr	r7, PLL_PWRUP_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Enable the PLL from Disable Mode */
-	ldr	r7, PLL_DISABLE_ENABLE_MASK
-	and	r8, r8, r7
-	str	r8, [r6]
-
-	/* Program the PLL Multiplier */
-	ldr	r6, PLL1_PLLM
-	mov	r3, $0x15	/* For 594MHz */
-	str	r3, [r6]
-
-	/* Wait for PLL to Reset Properly */
-	mov	r10, $0xff
-
-ResetLoop:
-	subs	r10, r10, $1
-	bne	ResetLoop
-
-	/* Bring PLL out of Reset */
-	ldr	r6, PLL1_CTL
-	orr	r8, r8, $0x08
-	str	r8, [r6]
-
-	/* Wait for PLL to Lock */
-	ldr	r10, PLL_LOCK_COUNT
-
-PLL1Lock:
-	subs	r10, r10, $1
-	bne	PLL1Lock
-
-	/* Enable the PLL */
-	orr	r8, r8, $0x01
-	str	r8, [r6]
-
-	nop
-	nop
-	nop
-	nop
-
-	/*------------------------------------------------------*
-	 * AEMIF configuration for NOR Flash (double check)     *
-	 *------------------------------------------------------*/
-	ldr	r0, _PINMUX0
-	ldr	r1, _DEV_SETTING
-	str	r1, [r0]
-
-	ldr	r0, WAITCFG
-	ldr	r1, WAITCFG_VAL
-	ldr	r2, [r0]
-	orr	r2, r2, r1
-	str	r2, [r0]
-
-	ldr	r0, ACFG3
-	ldr	r1, ACFG3_VAL
-	ldr	r2, [r0]
-	and	r1, r2, r1
-	str	r1, [r0]
-
-	ldr	r0, ACFG4
-	ldr	r1, ACFG4_VAL
-	ldr	r2, [r0]
-	and	r1, r2, r1
-	str	r1, [r0]
-
-	ldr	r0, ACFG5
-	ldr	r1, ACFG5_VAL
-	ldr	r2, [r0]
-	and	r1, r2, r1
-	str	r1, [r0]
-
-	/*--------------------------------------*
-	 * VTP manual Calibration               *
-	 *--------------------------------------*/
-	ldr	r0, VTPIOCR
-	ldr	r1, VTP_MMR0
-	str	r1, [r0]
-
-	ldr	r0, VTPIOCR
-	ldr	r1, VTP_MMR1
-	str	r1, [r0]
-
-	/* Wait for 33 VTP CLK cycles.  VRP operates at 27 MHz */
-	ldr	r10, VTP_LOCK_COUNT
-VTPLock:
-	subs	r10, r10, $1
-	bne	VTPLock
-
-	ldr	r6, DFT_ENABLE
-	mov	r10, $0x01
-	str	r10, [r6]
-
-	ldr	r6, DDRVTPR
-	ldr	r7, [r6]
-	mov	r8, r7, LSL #32-10
-	mov	r8, r8, LSR #32-10        /* grab low 10 bits  */
-	ldr	r7, VTP_RECAL
-	orr	r8, r7, r8
-	ldr	r7, VTP_EN
-	orr	r8, r7, r8
-	str	r8, [r0]
-
-
-	/* Wait for 33 VTP CLK cycles.  VRP operates at 27 MHz */
-	ldr	r10, VTP_LOCK_COUNT
-VTP1Lock:
-	subs	r10, r10, $1
-	bne	VTP1Lock
-
-	ldr	r1, [r0]
-	ldr	r2, VTP_MASK
-	and	r2, r1, r2
-	str	r2, [r0]
-
-	ldr	r6, DFT_ENABLE
-	mov	r10, $0
-	str	r10, [r6]
-
-	/*
-	 * Call board-specific lowlevel init.
-	 * That MUST be present and THAT returns
-	 * back to arch calling code with "mov pc, lr."
-	 */
-	b	dv_board_init
-
-.ltorg
-
-_PINMUX0:
-	.word	0x01c40000		/* Device Configuration Registers */
-_PINMUX1:
-	.word	0x01c40004		/* Device Configuration Registers */
-
-_DEV_SETTING:
-	.word	0x00000c1f
-
-WAITCFG:
-	.word	0x01e00004
-WAITCFG_VAL:
-	.word	0
-ACFG3:
-	.word	0x01e00014
-ACFG3_VAL:
-	.word	0x3ffffffd
-ACFG4:
-	.word	0x01e00018
-ACFG4_VAL:
-	.word	0x3ffffffd
-ACFG5:
-	.word	0x01e0001c
-ACFG5_VAL:
-	.word	0x3ffffffd
-
-MDCTL_DDR2:
-	.word	0x01c41a34
-MDSTAT_DDR2:
-	.word	0x01c41834
-
-PTCMD:
-	.word	0x01c41120
-PTSTAT:
-	.word	0x01c41128
-
-EINT_ENABLE0:
-	.word	0x01c48018
-EINT_ENABLE1:
-	.word	0x01c4801c
-
-PSC_FLAG_CLEAR:
-	.word	0xffffffe0
-PSC_GEM_FLAG_CLEAR:
-	.word	0xfffffeff
-
-/* DDR2 MMR & CONFIGURATION VALUES, 162 MHZ clock */
-DDRCTL:
-	.word	0x200000e4
-DDRCTL_VAL:
-	.word	0x50006405
-SDREF:
-	.word	0x2000000c
-SDREF_VAL:
-	.word	0x000005c3
-SDCFG:
-	.word	0x20000008
-SDCFG_VAL:
-#ifdef	DDR_4BANKS
-	.word	0x00178622
-#elif defined DDR_8BANKS
-	.word	0x00178632
-#else
-#error "Unknown DDR configuration!!!"
-#endif
-SDTIM0:
-	.word	0x20000010
-SDTIM0_VAL_162MHz:
-	.word	0x28923211
-SDTIM1:
-	.word	0x20000014
-SDTIM1_VAL_162MHz:
-	.word	0x0016c722
-VTPIOCR:
-	.word	0x200000f0	/* VTP IO Control register */
-DDRVTPR:
-	.word	0x01c42030	/* DDR VPTR MMR */
-VTP_MMR0:
-	.word	0x201f
-VTP_MMR1:
-	.word	0xa01f
-DFT_ENABLE:
-	.word	0x01c4004c
-VTP_LOCK_COUNT:
-	.word	0x5b0
-VTP_MASK:
-	.word	0xffffdfff
-VTP_RECAL:
-	.word	0x08000
-VTP_EN:
-	.word	0x02000
-CFGTEST:
-	.word	0x80010000
-MASK_VAL:
-	.word	0x00000fff
-
-/* GEM Power Up & LPSC Control Register */
-MDCTL_GEM:
-	.word	0x01c41a9c
-MDSTAT_GEM:
-	.word	0x01c4189c
-
-/* For WDT reset chip bug */
-P1394:
-	.word	0x01c41a20
-
-PLL_CLKSRC_MASK:
-	.word	0xfffffeff	/* Mask the Clock Mode bit */
-PLL_ENSRC_MASK:
-	.word	0xffffffdf	/* Select the PLLEN source */
-PLL_BYPASS_MASK:
-	.word	0xfffffffe	/* Put the PLL in BYPASS */
-PLL_RESET_MASK:
-	.word	0xfffffff7	/* Put the PLL in Reset Mode */
-PLL_PWRUP_MASK:
-	.word	0xfffffffd	/* PLL Power up Mask Bit  */
-PLL_DISABLE_ENABLE_MASK:
-	.word	0xffffffef	/* Enable the PLL from Disable */
-PLL_LOCK_COUNT:
-	.word	0x2000
-
-/* PLL1-SYSTEM PLL MMRs */
-PLL1_CTL:
-	.word	0x01c40900
-PLL1_PLLM:
-	.word	0x01c40910
-
-/* PLL2-SYSTEM PLL MMRs */
-PLL2_CTL:
-	.word	0x01c40d00
-PLL2_PLLM:
-	.word	0x01c40d10
-PLL2_DIV1:
-	.word	0x01c40d18
-PLL2_DIV2:
-	.word	0x01c40d1c
-PLL2_PLLCMD:
-	.word	0x01c40d38
-PLL2_PLLSTAT:
-	.word	0x01c40d3c
-PLL2_DIV_MASK:
-	.word	0xffff7fff
-
-MMARG_BRF0:
-	.word	0x01c42010	/* BRF margin mode 0 (R/W)*/
-MMARG_BRF0_VAL:
-	.word	0x00444400
-
-DDR2_START_ADDR:
-	.word	0x80000000
-DUMMY_VAL:
-	.word	0xa55aa55a
-#else /* CONFIG_SOC_DM644X */
-	mov pc, lr
-#endif