* Copyright (C) 2009 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
str r1, [r0, #0x0] @ GPIO_CON_OFFSET
ldr r1, [r0, #0x4] @ GPIO_DAT_OFFSET
-#ifdef CONFIG_ONENAND_IPL
- orr r1, r1, #(1 << 1) @ 1 * 1-bit
-#else
bic r1, r1, #(1 << 1)
-#endif
str r1, [r0, #0x4] @ GPIO_DAT_OFFSET
/* Don't setup at s5pc100 */
/* Do not release retention here for S5PC110 */
streq r1, [r0]
-#ifndef CONFIG_ONENAND_IPL
/* Disable Watchdog */
ldreq r0, =S5PC100_WATCHDOG_BASE @ 0xEA200000
ldrne r0, =S5PC110_WATCHDOG_BASE @ 0xE2700000
ldrne r0, =S5PC110_SROMC_BASE
ldr r1, =0x9
str r1, [r0]
-#endif
/* S5PC100 has 3 groups of interrupt sources */
ldreq r0, =S5PC100_VIC0_BASE @ 0xE4000000
str r3, [r1, #0x14] @ INTENCLEAR
str r3, [r2, #0x14] @ INTENCLEAR
-#ifndef CONFIG_ONENAND_IPL
/* Set all interrupts as IRQ */
str r5, [r0, #0xc] @ INTSELECT
str r5, [r1, #0xc] @ INTSELECT
str r5, [r0, #0xf00] @ INTADDRESS
str r5, [r1, #0xf00] @ INTADDRESS
str r5, [r2, #0xf00] @ INTADDRESS
-#endif
-#ifndef CONFIG_ONENAND_IPL
/* for UART */
bl uart_asm_init
bl internal_ram_init
-#endif
-
-#ifdef CONFIG_ONENAND_IPL
- /* init system clock */
- bl system_clock_init
-
- /* OneNAND Sync Read Support at S5PC110 only
- * RM[15] : Sync Read
- * BRWL[14:12] : 7 CLK
- * BL[11:9] : Continuous
- * VHF[3] : Very High Frequency Enable (Over 83MHz)
- * HF[2] : High Frequency Enable (Over 66MHz)
- * WM[1] : Sync Write
- */
- cmp r7, r8
- ldrne r1, =0xE006
- ldrne r0, =0xB001E442
- strneh r1, [r0]
-
- /*
- * GCE[26] : Gated Clock Enable
- * RPE[17] : Enables Read Prefetch
- */
- ldrne r1, =((1 << 26) | (1 << 17) | 0xE006)
- ldrne r0, =0xB0600000
- strne r1, [r0, #0x100] @ ONENAND_IF_CTRL
- ldrne r1, =0x1212
- strne r1, [r0, #0x108]
-
- /* Board detection to set proper memory configuration */
- cmp r7, r8
- moveq r9, #1 /* r9 has 1Gib default at s5pc100 */
- movne r9, #2 /* r9 has 2Gib default at s5pc110 */
-
- ldr r2, =0xE0200200
- ldr r4, [r2, #0x48]
-
- bic r1, r4, #(0x3F << 4) /* PULLUP_DISABLE: 3 * 2-bit */
- bic r1, r1, #(0x3 << 2) /* PULLUP_DISABLE: 2 * 2-bit */
- bic r1, r1, #(0x3 << 14) /* PULLUP_DISABLE: 2 * 2-bit */
- str r1, [r2, #0x48]
- /* For write completion */
- nop
- nop
- ldr r3, [r2, #0x44]
- and r1, r3, #(0x7 << 2)
- mov r1, r1, lsr #2
- cmp r1, #0x5
- moveq r9, #3
- cmp r1, #0x6
- moveq r9, #1
- cmp r1, #0x7
- moveq r9, #2
- and r0, r3, #(0x1 << 1)
- mov r0, r0, lsr #1
- orr r1, r1, r0, lsl #3
- cmp r1, #0x8
- moveq r9, #3
- and r1, r3, #(0x7 << 2)
- mov r1, r1, lsr #2
- and r0, r3, #(0x1 << 7)
- mov r0, r0, lsr #7
- orr r1, r1, r0, lsl #3
- cmp r1, #0x9
- moveq r9, #3
- str r4, [r2, #0x48] /* Restore PULLUP configuration */
-
- bl mem_ctrl_asm_init
-
- /* Wakeup support. Don't know if it's going to be used, untested. */
- ldreq r0, =S5PC100_RST_STAT
- ldrne r0, =S5PC110_RST_STAT
- ldr r1, [r0]
- biceq r1, r1, #0xfffffff7
- moveq r2, #(1 << 3)
- bicne r1, r1, #0xfffeffff
- movne r2, #(1 << 16)
- cmp r1, r2
- bne 1f
-wakeup:
- /* turn off L2 cache */
- bl l2_cache_disable
-
- cmp r7, r8
- ldreq r0, =0xC100
- ldrne r0, =0xC110
-
- /* invalidate L2 cache also */
- bl invalidate_dcache
-
- /* turn on L2 cache */
- bl l2_cache_enable
-
- cmp r7, r8
- /* Load return address and jump to kernel */
- ldreq r0, =S5PC100_INFORM0
- ldrne r0, =S5PC110_INFORM0
-
- /* r1 = physical address of s5pc1xx_cpu_resume function */
- ldr r1, [r0]
-
- /* Jump to kernel (sleep-s5pc1xx.S) */
- mov pc, r1
- nop
- nop
-#else
cmp r7, r8
/* Clear wakeup status register */
ldreq r0, =S5PC100_WAKEUP_STAT
orr r1, r1, r2
str r1, [r0]
-#endif
b 1f
didle_wakeup:
mov pc, lr
-#ifndef CONFIG_ONENAND_IPL
internal_ram_init:
ldreq r0, =0xE3800000
ldrne r0, =0xF1500000
str r1, [r0]
mov pc, lr
-#endif
-#ifndef CONFIG_ONENAND_IPL
/*
* uart_asm_init: Initialize UART's pins
*/
str r1, [r0, #0x4] @ S5PC1XX_GPIO_DAT_OFFSET
200:
mov pc, lr
-#endif
projects / karo-tx-uboot.git / blobdiff