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Diffstat (limited to 'package/uboot-lantiq/files/board/arcadyan/lowlevel_bootstrap_init.S')
| -rw-r--r-- | package/uboot-lantiq/files/board/arcadyan/lowlevel_bootstrap_init.S | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/package/uboot-lantiq/files/board/arcadyan/lowlevel_bootstrap_init.S b/package/uboot-lantiq/files/board/arcadyan/lowlevel_bootstrap_init.S deleted file mode 100644 index 4747ad6db2..0000000000 --- a/package/uboot-lantiq/files/board/arcadyan/lowlevel_bootstrap_init.S +++ /dev/null @@ -1,583 +0,0 @@ -/* - * Memory sub-system initialization code for Danube board. - * Andre Messerschmidt - * Copyright (c) 2005 Infineon Technologies AG - * - * Based on Inca-IP code - * Copyright (c) 2003 Wolfgang Denk <wd@denx.de> - * - * 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 - */ -/* History: - peng liu May 25, 2006, for PLL setting after reset, 05252006 - */ -#include <config.h> -#include <version.h> -#include <asm/regdef.h> - -#if defined(CONFIG_USE_DDR_PSC_32) -#include "ddr_settings_psc_32.h" -#define DDR166 -#elif defined(CONFIG_USE_DDR_PSC_64) -#include "ddr_settings_psc_64.h" -#define DDR166 -#else -#error "missing definition for RAM" -#endif - -#define EBU_MODUL_BASE 0xBE105300 -#define EBU_CLC(value) 0x0000(value) -#define EBU_CON(value) 0x0010(value) -#define EBU_ADDSEL0(value) 0x0020(value) -#define EBU_ADDSEL1(value) 0x0024(value) -#define EBU_ADDSEL2(value) 0x0028(value) -#define EBU_ADDSEL3(value) 0x002C(value) -#define EBU_BUSCON0(value) 0x0060(value) -#define EBU_BUSCON1(value) 0x0064(value) -#define EBU_BUSCON2(value) 0x0068(value) -#define EBU_BUSCON3(value) 0x006C(value) - -#define MC_MODUL_BASE 0xBF800000 -#define MC_ERRCAUSE(value) 0x0010(value) -#define MC_ERRADDR(value) 0x0020(value) -#define MC_CON(value) 0x0060(value) - -#define MC_SRAM_ENABLE 0x00000004 -#define MC_SDRAM_ENABLE 0x00000002 -#define MC_DDRRAM_ENABLE 0x00000001 - -#define MC_SDR_MODUL_BASE 0xBF800200 -#define MC_IOGP(value) 0x0000(value) -#define MC_CTRLENA(value) 0x0010(value) -#define MC_MRSCODE(value) 0x0020(value) -#define MC_CFGDW(value) 0x0030(value) -#define MC_CFGPB0(value) 0x0040(value) -#define MC_LATENCY(value) 0x0080(value) -#define MC_TREFRESH(value) 0x0090(value) -#define MC_SELFRFSH(value) 0x00A0(value) - -#define MC_DDR_MODUL_BASE 0xBF801000 -#define MC_DC00(value) 0x0000(value) -#define MC_DC01(value) 0x0010(value) -#define MC_DC02(value) 0x0020(value) -#define MC_DC03(value) 0x0030(value) -#define MC_DC04(value) 0x0040(value) -#define MC_DC05(value) 0x0050(value) -#define MC_DC06(value) 0x0060(value) -#define MC_DC07(value) 0x0070(value) -#define MC_DC08(value) 0x0080(value) -#define MC_DC09(value) 0x0090(value) -#define MC_DC10(value) 0x00A0(value) -#define MC_DC11(value) 0x00B0(value) -#define MC_DC12(value) 0x00C0(value) -#define MC_DC13(value) 0x00D0(value) -#define MC_DC14(value) 0x00E0(value) -#define MC_DC15(value) 0x00F0(value) -#define MC_DC16(value) 0x0100(value) -#define MC_DC17(value) 0x0110(value) -#define MC_DC18(value) 0x0120(value) -#define MC_DC19(value) 0x0130(value) -#define MC_DC20(value) 0x0140(value) -#define MC_DC21(value) 0x0150(value) -#define MC_DC22(value) 0x0160(value) -#define MC_DC23(value) 0x0170(value) -#define MC_DC24(value) 0x0180(value) -#define MC_DC25(value) 0x0190(value) -#define MC_DC26(value) 0x01A0(value) -#define MC_DC27(value) 0x01B0(value) -#define MC_DC28(value) 0x01C0(value) -#define MC_DC29(value) 0x01D0(value) -#define MC_DC30(value) 0x01E0(value) -#define MC_DC31(value) 0x01F0(value) -#define MC_DC32(value) 0x0200(value) -#define MC_DC33(value) 0x0210(value) -#define MC_DC34(value) 0x0220(value) -#define MC_DC35(value) 0x0230(value) -#define MC_DC36(value) 0x0240(value) -#define MC_DC37(value) 0x0250(value) -#define MC_DC38(value) 0x0260(value) -#define MC_DC39(value) 0x0270(value) -#define MC_DC40(value) 0x0280(value) -#define MC_DC41(value) 0x0290(value) -#define MC_DC42(value) 0x02A0(value) -#define MC_DC43(value) 0x02B0(value) -#define MC_DC44(value) 0x02C0(value) -#define MC_DC45(value) 0x02D0(value) -#define MC_DC46(value) 0x02E0(value) - -#define RCU_OFFSET 0xBF203000 -#define RCU_RST_REQ (RCU_OFFSET + 0x0010) -#define RCU_STS (RCU_OFFSET + 0x0014) - -#define CGU_OFFSET 0xBF103000 -#define PLL0_CFG (CGU_OFFSET + 0x0004) -#define PLL1_CFG (CGU_OFFSET + 0x0008) -#define PLL2_CFG (CGU_OFFSET + 0x000C) -#define CGU_SYS (CGU_OFFSET + 0x0010) -#define CGU_UPDATE (CGU_OFFSET + 0x0014) -#define IF_CLK (CGU_OFFSET + 0x0018) -#define CGU_SMD (CGU_OFFSET + 0x0020) -#define CGU_CT1SR (CGU_OFFSET + 0x0028) -#define CGU_CT2SR (CGU_OFFSET + 0x002C) -#define CGU_PCMCR (CGU_OFFSET + 0x0030) -#define PCI_CR_PCI (CGU_OFFSET + 0x0034) -#define CGU_OSC_CTRL (CGU_OFFSET + 0x001C) -#define CGU_MIPS_PWR_DWN (CGU_OFFSET + 0x0038) -#define CLK_MEASURE (CGU_OFFSET + 0x003C) - -//05252006 -#define pll0_35MHz_CONFIG 0x9D861059 -#define pll1_35MHz_CONFIG 0x1A260CD9 -#define pll2_35MHz_CONFIG 0x8000f1e5 -#define pll0_36MHz_CONFIG 0x1000125D -#define pll1_36MHz_CONFIG 0x1B1E0C99 -#define pll2_36MHz_CONFIG 0x8002f2a1 -//05252006 - -//06063001-joelin disable the PCI CFRAME mask -start -/*CFRAME is an I/O signal, in the chip, the output CFRAME is selected via GPIO altsel pins, so if you select MII1 RXD1, the CFRAME will not come out. -But the CFRAME input still take the signal from the pad and not disabled when altsel choose other function. So when MII1_RXD1 is low from other device, the EBU interface will be disabled. - -The chip function in such a way that disable the CFRAME mask mean EBU not longer check CFRAME to be the device using the bus. -The side effect is the entire PCI block will see CFRAME low all the time meaning PCI cannot use the bus at all so no more PCI function. -*/ -#define PCI_CR_PR_OFFSET 0xBE105400 -#define PCI_CR_PCI_MOD_REG (PCI_CR_PR_OFFSET + 0x0030) -#define PCI_CONFIG_SPACE 0xB7000000 -#define CS_CFM (PCI_CONFIG_SPACE + 0x6C) -//06063001-joelin disable the PCI CFRAME mask -end - .set noreorder - - -/* - * void ebu_init(void) - */ - .globl ebu_init - .ent ebu_init -ebu_init: - -#if defined(CONFIG_EBU_ADDSEL0) || defined(CONFIG_EBU_ADDSEL1) || \ - defined(CONFIG_EBU_ADDSEL2) || defined(CONFIG_EBU_ADDSEL3) || \ - defined(CONFIG_EBU_BUSCON0) || defined(CONFIG_EBU_BUSCON1) || \ - defined(CONFIG_EBU_BUSCON2) || defined(CONFIG_EBU_BUSCON3) - - li t1, EBU_MODUL_BASE -#if defined(CONFIG_EBU_ADDSEL0) - li t2, CONFIG_EBU_ADDSEL0 - sw t2, EBU_ADDSEL0(t1) -#endif -#if defined(CONFIG_EBU_ADDSEL1) - li t2, CONFIG_EBU_ADDSEL1 - sw t2, EBU_ADDSEL1(t1) -#endif -#if defined(CONFIG_EBU_ADDSEL2) - li t2, CONFIG_EBU_ADDSEL2 - sw t2, EBU_ADDSEL2(t1) -#endif -#if defined(CONFIG_EBU_ADDSEL3) - li t2, CONFIG_EBU_ADDSEL3 - sw t2, EBU_ADDSEL3(t1) -#endif - -#if defined(CONFIG_EBU_BUSCON0) - li t2, CONFIG_EBU_BUSCON0 - sw t2, EBU_BUSCON0(t1) -#endif -#if defined(CONFIG_EBU_BUSCON1) - li t2, CONFIG_EBU_BUSCON1 - sw t2, EBU_BUSCON1(t1) -#endif -#if defined(CONFIG_EBU_BUSCON2) - li t2, CONFIG_EBU_BUSCON2 - sw t2, EBU_BUSCON2(t1) -#endif -#if defined(CONFIG_EBU_BUSCON3) - li t2, CONFIG_EBU_BUSCON3 - sw t2, EBU_BUSCON3(t1) -#endif - -#endif - - j ra - nop - - .end ebu_init - - -/* - * void cgu_init(long) - * - * a0 has the clock value - */ - .globl cgu_init - .ent cgu_init -cgu_init: - li t2, CGU_SYS - lw t2,0(t2) - beq t2,a0,freq_up2date - nop - - li t2, RCU_STS - lw t2, 0(t2) - and t2,0x00020000 - beq t2,0x00020000,boot_36MHZ - nop -//05252006 - li t1, PLL0_CFG - li t2, pll0_35MHz_CONFIG - sw t2,0(t1) - li t1, PLL1_CFG - li t2, pll1_35MHz_CONFIG - sw t2,0(t1) - li t1, PLL2_CFG - li t2, pll2_35MHz_CONFIG - sw t2,0(t1) - li t1, CGU_SYS - sw a0,0(t1) - li t1, RCU_RST_REQ - li t2, 0x40000008 - sw t2,0(t1) - b wait_reset - nop -boot_36MHZ: - li t1, PLL0_CFG - li t2, pll0_36MHz_CONFIG - sw t2,0(t1) - li t1, PLL1_CFG - li t2, pll1_36MHz_CONFIG - sw t2,0(t1) - li t1, PLL2_CFG - li t2, pll2_36MHz_CONFIG - sw t2,0(t1) - li t1, CGU_SYS - sw a0,0(t1) - li t1, RCU_RST_REQ - li t2, 0x40000008 - sw t2,0(t1) -//05252006 - -wait_reset: - b wait_reset - nop -freq_up2date: - j ra - nop - - .end cgu_init - -#ifndef CONFIG_USE_DDR_RAM -/* - * void sdram_init(long) - * - * a0 has the clock value - */ - .globl sdram_init - .ent sdram_init -sdram_init: - - /* SDRAM Initialization - */ - li t1, MC_MODUL_BASE - - /* Clear Error log registers */ - sw zero, MC_ERRCAUSE(t1) - sw zero, MC_ERRADDR(t1) - - /* Enable SDRAM module in memory controller */ - li t3, MC_SDRAM_ENABLE - lw t2, MC_CON(t1) - or t3, t2, t3 - sw t3, MC_CON(t1) - - li t1, MC_SDR_MODUL_BASE - - /* disable the controller */ - li t2, 0 - sw t2, MC_CTRLENA(t1) - - li t2, 0x822 - sw t2, MC_IOGP(t1) - - li t2, 0x2 - sw t2, MC_CFGDW(t1) - - /* Set CAS Latency */ - li t2, 0x00000020 - sw t2, MC_MRSCODE(t1) - - /* Set CS0 to SDRAM parameters */ - li t2, 0x000014d8 - sw t2, MC_CFGPB0(t1) - - /* Set SDRAM latency parameters */ - li t2, 0x00036325; /* BC PC100 */ - sw t2, MC_LATENCY(t1) - - /* Set SDRAM refresh rate */ - li t2, 0x00000C30 - sw t2, MC_TREFRESH(t1) - - /* Clear Power-down registers */ - sw zero, MC_SELFRFSH(t1) - - /* Finally enable the controller */ - li t2, 1 - sw t2, MC_CTRLENA(t1) - - j ra - nop - - .end sdram_init - -#endif /* !CONFIG_USE_DDR_RAM */ - -#ifdef CONFIG_USE_DDR_RAM -/* - * void ddrram_init(long) - * - * a0 has the clock value - */ - .globl ddrram_init - .ent ddrram_init -ddrram_init: - - /* DDR-DRAM Initialization - */ - li t1, MC_MODUL_BASE - - /* Clear Error log registers */ - sw zero, MC_ERRCAUSE(t1) - sw zero, MC_ERRADDR(t1) - - /* Enable DDR module in memory controller */ - li t3, MC_DDRRAM_ENABLE - lw t2, MC_CON(t1) - or t3, t2, t3 - sw t3, MC_CON(t1) - - li t1, MC_DDR_MODUL_BASE - - /* Write configuration to DDR controller registers */ - li t2, MC_DC0_VALUE - sw t2, MC_DC00(t1) - - li t2, MC_DC1_VALUE - sw t2, MC_DC01(t1) - - li t2, MC_DC2_VALUE - sw t2, MC_DC02(t1) - - li t2, MC_DC3_VALUE - sw t2, MC_DC03(t1) - - li t2, MC_DC4_VALUE - sw t2, MC_DC04(t1) - - li t2, MC_DC5_VALUE - sw t2, MC_DC05(t1) - - li t2, MC_DC6_VALUE - sw t2, MC_DC06(t1) - - li t2, MC_DC7_VALUE - sw t2, MC_DC07(t1) - - li t2, MC_DC8_VALUE - sw t2, MC_DC08(t1) - - li t2, MC_DC9_VALUE - sw t2, MC_DC09(t1) - - li t2, MC_DC10_VALUE - sw t2, MC_DC10(t1) - - li t2, MC_DC11_VALUE - sw t2, MC_DC11(t1) - - li t2, MC_DC12_VALUE - sw t2, MC_DC12(t1) - - li t2, MC_DC13_VALUE - sw t2, MC_DC13(t1) - - li t2, MC_DC14_VALUE - sw t2, MC_DC14(t1) - - li t2, MC_DC15_VALUE - sw t2, MC_DC15(t1) - - li t2, MC_DC16_VALUE - sw t2, MC_DC16(t1) - - li t2, MC_DC17_VALUE - sw t2, MC_DC17(t1) - - li t2, MC_DC18_VALUE - sw t2, MC_DC18(t1) - - li t2, MC_DC19_VALUE - sw t2, MC_DC19(t1) - - li t2, MC_DC20_VALUE - sw t2, MC_DC20(t1) - - li t2, MC_DC21_VALUE - sw t2, MC_DC21(t1) - - li t2, MC_DC22_VALUE - sw t2, MC_DC22(t1) - - li t2, MC_DC23_VALUE - sw t2, MC_DC23(t1) - - li t2, MC_DC24_VALUE - sw t2, MC_DC24(t1) - - li t2, MC_DC25_VALUE - sw t2, MC_DC25(t1) - - li t2, MC_DC26_VALUE - sw t2, MC_DC26(t1) - - li t2, MC_DC27_VALUE - sw t2, MC_DC27(t1) - - li t2, MC_DC28_VALUE - sw t2, MC_DC28(t1) - - li t2, MC_DC29_VALUE - sw t2, MC_DC29(t1) - - li t2, MC_DC30_VALUE - sw t2, MC_DC30(t1) - - li t2, MC_DC31_VALUE - sw t2, MC_DC31(t1) - - li t2, MC_DC32_VALUE - sw t2, MC_DC32(t1) - - li t2, MC_DC33_VALUE - sw t2, MC_DC33(t1) - - li t2, MC_DC34_VALUE - sw t2, MC_DC34(t1) - - li t2, MC_DC35_VALUE - sw t2, MC_DC35(t1) - - li t2, MC_DC36_VALUE - sw t2, MC_DC36(t1) - - li t2, MC_DC37_VALUE - sw t2, MC_DC37(t1) - - li t2, MC_DC38_VALUE - sw t2, MC_DC38(t1) - - li t2, MC_DC39_VALUE - sw t2, MC_DC39(t1) - - li t2, MC_DC40_VALUE - sw t2, MC_DC40(t1) - - li t2, MC_DC41_VALUE - sw t2, MC_DC41(t1) - - li t2, MC_DC42_VALUE - sw t2, MC_DC42(t1) - - li t2, MC_DC43_VALUE - sw t2, MC_DC43(t1) - - li t2, MC_DC44_VALUE - sw t2, MC_DC44(t1) - - li t2, MC_DC45_VALUE - sw t2, MC_DC45(t1) - - li t2, MC_DC46_VALUE - sw t2, MC_DC46(t1) - - li t2, 0x00000100 - sw t2, MC_DC03(t1) - - j ra - nop - - .end ddrram_init -#endif /* CONFIG_USE_DDR_RAM */ - - .globl lowlevel_init - .ent lowlevel_init -lowlevel_init: - /* EBU, CGU and SDRAM/DDR-RAM Initialization. - */ - move t0, ra - /* We rely on the fact that non of the following ..._init() functions - * modify t0 - */ -#if defined(DDR166) - /* 0xe8 means CPU0/CPU1 333M, DDR 167M, FPI 83M, PPE 240M */ - li a0,0xe8 -#elif defined(DDR133) - /* 0xe9 means CPU0/CPU1 333M, DDR 133M, FPI 83M, PPE 240M */ - li a0,0xe9 -#else /* defined(DDR111) */ - /* 0xea means CPU0/CPU1 333M, DDR 111M, FPI 83M, PPE 240M */ - li a0,0xea -#endif - bal cgu_init - nop - - bal ebu_init - nop - -//06063001-joelin disable the PCI CFRAME mask-start -#ifdef DISABLE_CFRAME - li t1, PCI_CR_PCI //mw bf103034 80000000 - li t2, 0x80000000 - sw t2,0(t1) - - li t1, PCI_CR_PCI_MOD_REG //mw be105430 103 - li t2, 0x103 - sw t2,0(t1) - - li t1, CS_CFM //mw b700006c 0 - li t2, 0x00 - sw t2, 0(t1) - - li t1, PCI_CR_PCI_MOD_REG //mw be105430 103 - li t2, 0x1000103 - sw t2, 0(t1) -#endif -//06063001-joelin disable the PCI CFRAME mask-end - -#ifdef CONFIG_USE_DDR_RAM - bal ddrram_init - nop -#else - bal sdram_init - nop -#endif - move ra, t0 - j ra - nop - - .end lowlevel_init |