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-rw-r--r--board/apollon/lowlevel_init.S337
1 files changed, 0 insertions, 337 deletions
diff --git a/board/apollon/lowlevel_init.S b/board/apollon/lowlevel_init.S
deleted file mode 100644
index f066fe4..0000000
--- a/board/apollon/lowlevel_init.S
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- * Board specific setup info
- *
- * (C) Copyright 2005-2007
- * Samsung Electronics,
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#include <config.h>
-#include <version.h>
-#include <asm/arch/omap2420.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks.h>
-#include "mem.h"
-
-#define APOLLON_CS0_BASE 0x00000000
-
-#ifdef PRCM_CONFIG_I
-#define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907
-#define SDRC_ACTIM_CTRLB_0_VAL 0x00000013
-#define SDRC_RFR_CTRL_0_VAL 0x00044C01
-#elif defined(PRCM_CONFIG_II)
-#define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485
-#define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C
-#define SDRC_RFR_CTRL_0_VAL 0x00030001
-#endif
-
-#define SDRAM_BASE_ADDRESS 0x80008000
-
-_TEXT_BASE:
- .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
-
-.globl lowlevel_init
-lowlevel_init:
-
-#ifdef CONFIG_SYS_NOR_BOOT
- /* Check running in SDRAM */
- mov r0, pc, lsr #28
- cmp r0, #8
- beq prcm_setup
-
-flash_setup:
- /* In Flash */
- ldr r0, =WD2_BASE
- ldr r1, =WD_UNLOCK1
- str r1, [r0, #WSPR]
-
- ldr r1, =WD_UNLOCK2
- str r1, [r0, #WSPR]
-
- /* Pin muxing for SDRC */
- mov r1, #0x00
- ldr r0, =0x480000A1 /* ball C12, mode 0 */
- strb r1, [r0]
-
- ldr r0, =0x48000032 /* ball D11, mode 0 */
- strb r1, [r0]
-
- ldr r0, =0x480000A3 /* ball B13, mode 0 */
- strb r1, [r0]
-
- /* SDRC setting */
- ldr r0, =OMAP2420_SDRC_BASE
- ldr r1, =0x00000010
- str r1, [r0, #0x10]
-
- ldr r1, =0x00000100
- str r1, [r0, #0x44]
-
- /* SDRC CS0 configuration */
- ldr r1, =0x00d04011
- str r1, [r0, #0x80]
-
- ldr r1, =SDRC_ACTIM_CTRLA_0_VAL
- str r1, [r0, #0x9C]
-
- ldr r1, =SDRC_ACTIM_CTRLB_0_VAL
- str r1, [r0, #0xA0]
-
- ldr r1, =SDRC_RFR_CTRL_0_VAL
- str r1, [r0, #0xA4]
-
- ldr r1, =0x00000041
- str r1, [r0, #0x70]
-
- /* Manual command sequence */
- ldr r1, =0x00000007
- str r1, [r0, #0xA8]
-
- ldr r1, =0x00000000
- str r1, [r0, #0xA8]
-
- ldr r1, =0x00000001
- str r1, [r0, #0xA8]
-
- ldr r1, =0x00000002
- str r1, [r0, #0xA8]
- str r1, [r0, #0xA8]
-
- /*
- * CS0 SDRC Mode register
- * Burst length = 4 - DDR memory
- * Serial mode
- * CAS latency = 3
- */
- ldr r1, =0x00000032
- str r1, [r0, #0x84]
-
- /* Note: You MUST set EMR values */
- /* EMR1 & EMR2 */
- ldr r1, =0x00000000
- str r1, [r0, #0x88]
- str r1, [r0, #0x8C]
-
-#ifdef OLD_SDRC_DLLA_CTRL
- /* SDRC_DLLA_CTRL */
- ldr r1, =0x00007306
- str r1, [r0, #0x60]
-
- ldr r1, =0x00007303
- str r1, [r0, #0x60]
-#else
- /* SDRC_DLLA_CTRL */
- ldr r1, =0x00000506
- str r1, [r0, #0x60]
-
- ldr r1, =0x00000503
- str r1, [r0, #0x60]
-#endif
-
-#ifdef __BROKEN_FEATURE__
- /* SDRC_DLLB_CTRL */
- ldr r1, =0x00000506
- str r1, [r0, #0x68]
-
- ldr r1, =0x00000503
- str r1, [r0, #0x68]
-#endif
-
- /* little delay after init */
- mov r2, #0x1800
-1:
- subs r2, r2, #0x1
- bne 1b
-
- /* Setup base address */
- ldr r0, =0x00000000 /* NOR address */
- ldr r1, =SDRAM_BASE_ADDRESS /* SDRAM address */
- ldr r2, =0x20000 /* Size: 128KB */
-
-copy_loop:
- ldmia r0!, {r3-r10}
- stmia r1!, {r3-r10}
- cmp r0, r2
- ble copy_loop
-
- ldr r1, =SDRAM_BASE_ADDRESS
- mov lr, pc
- mov pc, r1
-#endif
-
-prcm_setup:
- ldr r0, =OMAP2420_CM_BASE
- ldr r1, [r0, #0x544] /* CLKSEL2_PLL */
- bic r1, r1, #0x03
- orr r1, r1, #0x02
- str r1, [r0, #0x544]
-
- ldr r1, [r0, #0x500]
- bic r1, r1, #0x03
- orr r1, r1, #0x01
- str r1, [r0, #0x500]
-
- ldr r1, [r0, #0x140]
- bic r1, r1, #0x1f
- orr r1, r1, #0x02
- str r1, [r0, #0x140]
-
-#ifdef PRCM_CONFIG_I
- ldr r1, =0x000003C3
-#else
- ldr r1, =0x00000343
-#endif
- str r1, [r0, #0x840]
-
- ldr r1, =0x00000002
- str r1, [r0, #0x340]
-
- ldr r1, =CM_CLKSEL1_CORE
-#ifdef PRCM_CONFIG_I
- ldr r2, =0x08300C44
-#else
- ldr r2, =0x04600C26
-#endif
- str r2, [r1]
-
- ldr r0, =OMAP2420_CM_BASE
- ldr r1, [r0, #0x084]
- and r1, r1, #0x01
- cmp r1, #0x01
- bne clkvalid
-
- b .
-
-clkvalid:
- mov r1, #0x01
- str r1, [r0, #0x080]
-
-waitvalid:
- ldr r1, [r0, #0x084]
- and r1, r1, #0x01
- cmp r1, #0x00
- bne waitvalid
-
- ldr r0, =CM_CLKSEL1_PLL
-#ifdef PRCM_CONFIG_I
- ldr r1, =0x01837100
-#else
- ldr r1, =0x01832100
-#endif
- str r1, [r0]
-
- ldr r0, =PRCM_CLKCFG_CTRL
- mov r1, #0x01
- str r1, [r0]
- mov r6, #0x50
-loop1:
- subs r6, r6, #0x01
- cmp r6, #0x01
- bne loop1
-
- ldr r0, =CM_CLKEN_PLL
- mov r1, #0x0f
- str r1, [r0]
-
- mov r6, #0x100
-loop2:
- subs r6, r6, #0x01
- cmp r6, #0x01
- bne loop2
-
- ldr r0, =0x48008200
- ldr r1, =0xbfffffff
- str r1, [r0]
-
- ldr r0, =0x48008210
- ldr r1, =0xfffffff9
- str r1, [r0]
-
- ldr r0, =0x4806a004
- ldr r1, =0x00
- strb r1, [r0]
-
- ldr r0, =0x4806a020
- ldr r1, =0x07
- strb r1, [r0]
-
- ldr r0, =0x4806a00c
- ldr r1, =0x83
- strb r1, [r0]
-
- ldr r0, =0x4806a000
- ldr r1, =0x1a
- strb r1, [r0]
-
- ldr r0, =0x4806a004
- ldr r1, =0x00
- strb r1, [r0]
-
- ldr r0, =0x4806a00c
- ldr r1, =0x03
- strb r1, [r0]
-
- ldr r0, =0x4806a010
- ldr r1, =0x03
- strb r1, [r0]
-
- ldr r0, =0x4806a008
- ldr r1, =0x04
- strb r1, [r0]
-
- ldr r0, =0x4806a020
- ldr r1, =0x00
- strb r1, [r0]
-
-#if 0
- ldr r0, =0x4806a000
- mov r1, #'u'
- strb r1, [r0]
-#endif
-
-#if 0
- /* LED0 OFF */
- ldr r3, =0x480000E5
- mov r4, #0x0b
- strb r4, [r3]
-#endif
-
- ldr sp, SRAM_STACK
- str ip, [sp] /* stash old link register */
- mov ip, lr /* save link reg across call */
- bl s_init /* go setup pll,mux,memory */
- ldr ip, [sp] /* restore save ip */
- mov lr, ip /* restore link reg */
-
- /* map interrupt controller */
- ldr r0, VAL_INTH_SETUP
- mcr p15, 0, r0, c15, c2, 4
-
- /* back to arch calling code */
- mov pc, lr
-
- /* the literal pools origin */
- .ltorg
-
-VAL_INTH_SETUP:
- .word PERIFERAL_PORT_BASE
-SRAM_STACK:
- .word LOW_LEVEL_SRAM_STACK