2 * Board specific setup info
4 * (C) Copyright 2005-2007
6 * Kyungmin Park <kyungmin.park@samsung.com>
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/arch/omap2420.h>
30 #include <asm/arch/mem.h>
31 #include <asm/arch/clocks.h>
34 #define APOLLON_CS0_BASE 0x00000000
37 #define SDRC_ACTIM_CTRLA_0_VAL 0x7BA35907
38 #define SDRC_ACTIM_CTRLB_0_VAL 0x00000013
39 #define SDRC_RFR_CTRL_0_VAL 0x00044C01
40 #elif defined(PRCM_CONFIG_II)
41 #define SDRC_ACTIM_CTRLA_0_VAL 0x4A59B485
42 #define SDRC_ACTIM_CTRLB_0_VAL 0x0000000C
43 #define SDRC_RFR_CTRL_0_VAL 0x00030001
46 #define SDRAM_BASE_ADDRESS 0x80008000
49 .word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
54 #ifdef CONFIG_SYS_NOR_BOOT
55 /* Check running in SDRAM */
69 /* Pin muxing for SDRC */
71 ldr r0, =0x480000A1 /* ball C12, mode 0 */
74 ldr r0, =0x48000032 /* ball D11, mode 0 */
77 ldr r0, =0x480000A3 /* ball B13, mode 0 */
81 ldr r0, =OMAP2420_SDRC_BASE
88 /* SDRC CS0 configuration */
92 ldr r1, =SDRC_ACTIM_CTRLA_0_VAL
95 ldr r1, =SDRC_ACTIM_CTRLB_0_VAL
98 ldr r1, =SDRC_RFR_CTRL_0_VAL
104 /* Manual command sequence */
119 * CS0 SDRC Mode register
120 * Burst length = 4 - DDR memory
127 /* Note: You MUST set EMR values */
133 #ifdef OLD_SDRC_DLLA_CTRL
149 #ifdef __BROKEN_FEATURE__
158 /* little delay after init */
164 /* Setup base address */
165 ldr r0, =0x00000000 /* NOR address */
166 ldr r1, =SDRAM_BASE_ADDRESS /* SDRAM address */
167 ldr r2, =0x20000 /* Size: 128KB */
175 ldr r1, =SDRAM_BASE_ADDRESS
181 ldr r0, =OMAP2420_CM_BASE
182 ldr r1, [r0, #0x544] /* CLKSEL2_PLL */
207 ldr r1, =CM_CLKSEL1_CORE
215 ldr r0, =OMAP2420_CM_BASE
233 ldr r0, =CM_CLKSEL1_PLL
241 ldr r0, =PRCM_CLKCFG_CTRL
250 ldr r0, =CM_CLKEN_PLL
318 str ip, [sp] /* stash old link register */
319 mov ip, lr /* save link reg across call */
320 bl s_init /* go setup pll,mux,memory */
321 ldr ip, [sp] /* restore save ip */
322 mov lr, ip /* restore link reg */
324 /* map interrupt controller */
325 ldr r0, VAL_INTH_SETUP
326 mcr p15, 0, r0, c15, c2, 4
328 /* back to arch calling code */
331 /* the literal pools origin */
335 .word PERIFERAL_PORT_BASE
337 .word LOW_LEVEL_SRAM_STACK