diff options
Diffstat (limited to 'board/omap2420h4')
| -rw-r--r-- | board/omap2420h4/Makefile | 51 | ||||
| -rw-r--r-- | board/omap2420h4/config.mk | 28 | ||||
| -rw-r--r-- | board/omap2420h4/lowlevel_init.S | 185 | ||||
| -rw-r--r-- | board/omap2420h4/mem.c | 375 | ||||
| -rw-r--r-- | board/omap2420h4/omap2420h4.c | 844 | ||||
| -rw-r--r-- | board/omap2420h4/sys_info.c | 387 |
6 files changed, 0 insertions, 1870 deletions
diff --git a/board/omap2420h4/Makefile b/board/omap2420h4/Makefile deleted file mode 100644 index f39eef0..0000000 --- a/board/omap2420h4/Makefile +++ /dev/null @@ -1,51 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, 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 -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS := omap2420h4.o mem.o sys_info.o -SOBJS := lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/omap2420h4/config.mk b/board/omap2420h4/config.mk deleted file mode 100644 index 3edcde0..0000000 --- a/board/omap2420h4/config.mk +++ /dev/null @@ -1,28 +0,0 @@ -# -# (C) Copyright 2004 -# Texas Instruments, <www.ti.com> -# -# TI H4 board with OMAP2420 (ARM1136) cpu -# see http://www.ti.com/ for more information on Texas Instruments -# -# H4 has 1 bank of 32MB or 64MB mDDR-SDRAM on CS0 -# H4 has 1 bank of 32MB or 00MB mDDR-SDRAM on CS1 -# Physical Address: -# 8000'0000 (bank0) -# A000/0000 (bank1) ES2 will be configurable -# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000 -# (mem base + reserved) - -# For use with external or internal boots. -TEXT_BASE = 0x80e80000 - -# Used with full SRAM boot. -# This is either with a GP system or a signed boot image. -# easiest, and safest way to go if you can. -#TEXT_BASE = 0x40270000 - - -# Handy to get symbols to debug ROM version. -#TEXT_BASE = 0x0 -#TEXT_BASE = 0x08000000 -#TEXT_BASE = 0x04000000 diff --git a/board/omap2420h4/lowlevel_init.S b/board/omap2420h4/lowlevel_init.S deleted file mode 100644 index 9752fc4..0000000 --- a/board/omap2420h4/lowlevel_init.S +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2004 - * Texas Instruments, <www.ti.com> - * Richard Woodruff <r-woodruff2@ti.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> - -_TEXT_BASE: - .word TEXT_BASE /* sdram load addr from config.mk */ - -/************************************************************************** - * cpy_clk_code: relocates clock code into SRAM where its safer to execute - * R1 = SRAM destination address. - *************************************************************************/ -.global cpy_clk_code - cpy_clk_code: - /* Copy DPLL code into SRAM */ - adr r0, go_to_speed /* get addr of clock setting code */ - mov r2, #384 /* r2 size to copy (div by 32 bytes) */ - mov r1, r1 /* r1 <- dest address (passed in) */ - add r2, r2, r0 /* r2 <- source end address */ -next2: - ldmia r0!, {r3-r10} /* copy from source address [r0] */ - stmia r1!, {r3-r10} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - bne next2 - mov pc, lr /* back to caller */ - -/* **************************************************************************** - * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed - * -executed from SRAM. - * R0 = PRCM_CLKCFG_CTRL - addr of valid reg - * R1 = CM_CLKEN_PLL - addr dpll ctlr reg - * R2 = dpll value - * R3 = CM_IDLEST_CKGEN - addr dpll lock wait - ******************************************************************************/ -.global go_to_speed - go_to_speed: - sub sp, sp, #0x4 /* get some stack space */ - str r4, [sp] /* save r4's value */ - - /* move into fast relock bypass */ - ldr r8, pll_ctl_add - mov r4, #0x2 - str r4, [r8] - ldr r4, pll_stat -block: - ldr r8, [r4] /* wait for bypass to take effect */ - and r8, r8, #0x3 - cmp r8, #0x1 - bne block - - /* set new dpll dividers _after_ in bypass */ - ldr r4, pll_div_add - ldr r8, pll_div_val - str r8, [r4] - - /* now prepare GPMC (flash) for new dpll speed */ - /* flash needs to be stable when we jump back to it */ - ldr r4, cfg3_0_addr - ldr r8, cfg3_0_val - str r8, [r4] - ldr r4, cfg4_0_addr - ldr r8, cfg4_0_val - str r8, [r4] - ldr r4, cfg1_0_addr - ldr r8, [r4] - orr r8, r8, #0x3 /* up gpmc divider */ - str r8, [r4] - - /* setup to 2x loop though code. The first loop pre-loads the - * icache, the 2nd commits the prcm config, and locks the dpll - */ - mov r4, #0x1000 /* spin spin spin */ - mov r8, #0x4 /* first pass condition & set registers */ - cmp r8, #0x4 -2: - ldrne r8, [r3] /* DPLL lock check */ - and r8, r8, #0x7 - cmp r8, #0x2 - beq 4f -3: - subeq r8, r8, #0x1 - streq r8, [r0] /* commit dividers (2nd time) */ - nop -lloop1: - sub r4, r4, #0x1 /* Loop currently necessary else bad jumps */ - nop - cmp r4, #0x0 - bne lloop1 - mov r4, #0x40000 - cmp r8, #0x1 - nop - streq r2, [r1] /* lock dpll (2nd time) */ - nop -lloop2: - sub r4, r4, #0x1 /* loop currently necessary else bad jumps */ - nop - cmp r4, #0x0 - bne lloop2 - mov r4, #0x40000 - cmp r8, #0x1 - nop - ldreq r8, [r3] /* get lock condition for dpll */ - cmp r8, #0x4 /* first time though? */ - bne 2b - moveq r8, #0x2 /* set to dpll check condition. */ - beq 3b /* if condition not true branch */ -4: - ldr r4, [sp] - add sp, sp, #0x4 /* return stack space */ - mov pc, lr /* back to caller, locked */ - -_go_to_speed: .word go_to_speed - -/* these constants need to be close for PIC code */ -cfg3_0_addr: - .word GPMC_CONFIG3_0 -cfg3_0_val: - .word H4_24XX_GPMC_CONFIG3_0 -cfg4_0_addr: - .word GPMC_CONFIG4_0 -cfg4_0_val: - .word H4_24XX_GPMC_CONFIG4_0 -cfg1_0_addr: - .word GPMC_CONFIG1_0 -pll_ctl_add: - .word CM_CLKEN_PLL -pll_stat: - .word CM_IDLEST_CKGEN -pll_div_add: - .word CM_CLKSEL1_PLL -pll_div_val: - .word DPLL_VAL /* DPLL setting (300MHz default) */ - -.globl lowlevel_init -lowlevel_init: - 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 - -REG_CONTROL_STATUS: - .word CONTROL_STATUS -VAL_INTH_SETUP: - .word PERIFERAL_PORT_BASE -SRAM_STACK: - .word LOW_LEVEL_SRAM_STACK diff --git a/board/omap2420h4/mem.c b/board/omap2420h4/mem.c deleted file mode 100644 index c8b4186..0000000 --- a/board/omap2420h4/mem.c +++ /dev/null @@ -1,375 +0,0 @@ -/* - * (C) Copyright 2004 - * Texas Instruments, <www.ti.com> - * Richard Woodruff <r-woodruff2@ti.com> - * - * 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 <common.h> -#include <asm/arch/omap2420.h> -#include <asm/io.h> -#include <asm/arch/bits.h> -#include <asm/arch/mux.h> -#include <asm/arch/mem.h> -#include <asm/arch/clocks.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/sys_info.h> - -/************************************************************ - * sdelay() - simple spin loop. Will be constant time as - * its generally used in 12MHz bypass conditions only. This - * is necessary until timers are accessible. - * - * not inline to increase chances its in cache when called - *************************************************************/ -void sdelay (unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - -/********************************************************************************* - * prcm_init() - inits clocks for PRCM as defined in clocks.h (config II default). - * -- called from SRAM, or Flash (using temp SRAM stack). - *********************************************************************************/ -void prcm_init(void) -{ - u32 div; - void (*f_lock_pll) (u32, u32, u32, u32); - extern void *_end_vect, *_start; - - f_lock_pll = (void *)((u32)&_end_vect - (u32)&_start + SRAM_VECT_CODE); - - __raw_writel(0, CM_FCLKEN1_CORE); /* stop all clocks to reduce ringing */ - __raw_writel(0, CM_FCLKEN2_CORE); /* may not be necessary */ - __raw_writel(0, CM_ICLKEN1_CORE); - __raw_writel(0, CM_ICLKEN2_CORE); - - __raw_writel(DPLL_OUT, CM_CLKSEL2_PLL); /* set DPLL out */ - __raw_writel(MPU_DIV, CM_CLKSEL_MPU); /* set MPU divider */ - __raw_writel(DSP_DIV, CM_CLKSEL_DSP); /* set dsp and iva dividers */ - __raw_writel(GFX_DIV, CM_CLKSEL_GFX); /* set gfx dividers */ - - div = BUS_DIV; - __raw_writel(div, CM_CLKSEL1_CORE);/* set L3/L4/USB/Display/Vlnc/SSi dividers */ - sdelay(1000); - - if(running_in_sram()){ - /* If running fully from SRAM this is OK. The Flash bus drops out for just a little. - * but then comes back. If running from Flash this sequence kills you, thus you need - * to run it using CONFIG_PARTIAL_SRAM. - */ - __raw_writel(MODE_BYPASS_FAST, CM_CLKEN_PLL); /* go to bypass, fast relock */ - wait_on_value(BIT0|BIT1, BIT0, CM_IDLEST_CKGEN, LDELAY); /* wait till in bypass */ - sdelay(1000); - /* set clock selection and dpll dividers. */ - __raw_writel(DPLL_VAL, CM_CLKSEL1_PLL); /* set pll for target rate */ - __raw_writel(COMMIT_DIVIDERS, PRCM_CLKCFG_CTRL); /* commit dividers */ - sdelay(10000); - __raw_writel(DPLL_LOCK, CM_CLKEN_PLL); /* enable dpll */ - sdelay(10000); - wait_on_value(BIT0|BIT1, BIT1, CM_IDLEST_CKGEN, LDELAY); /*wait for dpll lock */ - }else if(running_in_flash()){ - /* if running from flash, need to jump to small relocated code area in SRAM. - * This is the only safe spot to do configurations from. - */ - (*f_lock_pll)(PRCM_CLKCFG_CTRL, CM_CLKEN_PLL, DPLL_LOCK, CM_IDLEST_CKGEN); - } - - __raw_writel(DPLL_LOCK|APLL_LOCK, CM_CLKEN_PLL); /* enable apll */ - wait_on_value(BIT8, BIT8, CM_IDLEST_CKGEN, LDELAY); /* wait for apll lock */ - sdelay(1000); -} - -/************************************************************************** - * make_cs1_contiguous() - for es2 and above remap cs1 behind cs0 to allow - * command line mem=xyz use all memory with out discontigious support - * compiled in. Could do it at the ATAG, but there really is two banks... - * Called as part of 2nd phase DDR init. - **************************************************************************/ -void make_cs1_contiguous(void) -{ - u32 size, a_add_low, a_add_high; - - size = get_sdr_cs_size(SDRC_CS0_OSET); - size /= SZ_32M; /* find size to offset CS1 */ - a_add_high = (size & 3) << 8; /* set up low field */ - a_add_low = (size & 0x3C) >> 2; /* set up high field */ - __raw_writel((a_add_high|a_add_low),SDRC_CS_CFG); - -} - -/******************************************************** - * mem_ok() - test used to see if timings are correct - * for a part. Helps in gussing which part - * we are currently using. - *******************************************************/ -u32 mem_ok(void) -{ - u32 val1, val2; - u32 pattern = 0x12345678; - - __raw_writel(0x0,OMAP2420_SDRC_CS0+0x400); /* clear pos A */ - __raw_writel(pattern, OMAP2420_SDRC_CS0); /* pattern to pos B */ - __raw_writel(0x0,OMAP2420_SDRC_CS0+4); /* remove pattern off the bus */ - val1 = __raw_readl(OMAP2420_SDRC_CS0+0x400); /* get pos A value */ - val2 = __raw_readl(OMAP2420_SDRC_CS0); /* get val2 */ - - if ((val1 != 0) || (val2 != pattern)) /* see if pos A value changed*/ - return(0); - else - return(1); -} - - -/******************************************************** - * sdrc_init() - init the sdrc chip selects CS0 and CS1 - * - early init routines, called from flash or - * SRAM. - *******************************************************/ -void sdrc_init(void) -{ - #define EARLY_INIT 1 - do_sdrc_init(SDRC_CS0_OSET, EARLY_INIT); /* only init up first bank here */ -} - -/************************************************************************* - * do_sdrc_init(): initialize the SDRAM for use. - * -called from low level code with stack only. - * -code sets up SDRAM timing and muxing for 2422 or 2420. - * -optimal settings can be placed here, or redone after i2c - * inspection of board info - * - * This is a bit ugly, but should handle all memory moduels - * used with the H4. The first time though this code from s_init() - * we configure the first chip select. Later on we come back and - * will configure the 2nd chip select if it exists. - * - **************************************************************************/ -void do_sdrc_init(u32 offset, u32 early) -{ - u32 cpu, dllen=0, rev, common=0, cs0=0, pmask=0, pass_type, mtype; - sdrc_data_t *sdata; /* do not change type */ - u32 a, b, r; - - static const sdrc_data_t sdrc_2422 = - { - H4_2422_SDRC_SHARING, H4_2422_SDRC_MDCFG_0_DDR, 0 , H4_2422_SDRC_ACTIM_CTRLA_0, - H4_2422_SDRC_ACTIM_CTRLB_0, H4_2422_SDRC_RFR_CTRL, H4_2422_SDRC_MR_0_DDR, - 0, H4_2422_SDRC_DLLAB_CTRL - }; - static const sdrc_data_t sdrc_2420 = - { - H4_2420_SDRC_SHARING, H4_2420_SDRC_MDCFG_0_DDR, H4_2420_SDRC_MDCFG_0_SDR, - H4_2420_SDRC_ACTIM_CTRLA_0, H4_2420_SDRC_ACTIM_CTRLB_0, - H4_2420_SDRC_RFR_CTRL, H4_2420_SDRC_MR_0_DDR, H4_2420_SDRC_MR_0_SDR, - H4_2420_SDRC_DLLAB_CTRL - }; - - if (offset == SDRC_CS0_OSET) - cs0 = common = 1; /* int regs shared between both chip select */ - - cpu = get_cpu_type(); - rev = get_cpu_rev(); - - /* warning generated, though code generation is correct. this may bite later, - * but is ok for now. there is only so much C code you can do on stack only - * operation. - */ - if (cpu == CPU_2422){ - sdata = (sdrc_data_t *)&sdrc_2422; - pass_type = STACKED; - } else{ - sdata = (sdrc_data_t *)&sdrc_2420; - pass_type = IP_DDR; - } - - __asm__ __volatile__("": : :"memory"); /* limit compiler scope */ - - /* u-boot is compiled to run in DDR or SRAM at 8xxxxxxx or 4xxxxxxx. - * If we are running in flash prior to relocation and we use data - * here which is not pc relative we need to get the address correct. - * We need to find the current flash mapping to dress up the initial - * pointer load. As long as this is const data we should be ok. - */ - if((early) && running_in_flash()){ - sdata = (sdrc_data_t *)(((u32)sdata & 0x0003FFFF) | get_gpmc0_base()); - /* NOR internal boot offset is 0x4000 from xloader signature */ - if(running_from_internal_boot()) - sdata = (sdrc_data_t *)((u32)sdata + 0x4000); - } - - if (!early && (((mtype = get_mem_type()) == DDR_COMBO)||(mtype == DDR_STACKED))) { - if(mtype == DDR_COMBO){ - pmask = BIT2;/* combo part has a shared CKE signal, can't use feature */ - pass_type = COMBO_DDR; /* CS1 config */ - __raw_writel((__raw_readl(SDRC_POWER)) & ~pmask, SDRC_POWER); - } - if(rev != CPU_2420_2422_ES1) /* for es2 and above smooth things out */ - make_cs1_contiguous(); - } - -next_mem_type: - if (common) { /* do a SDRC reset between types to clear regs*/ - __raw_writel(SOFTRESET, SDRC_SYSCONFIG); /* reset sdrc */ - wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);/* wait till reset done set */ - __raw_writel(0, SDRC_SYSCONFIG); /* clear soft reset */ - __raw_writel(sdata->sdrc_sharing, SDRC_SHARING); -#ifdef POWER_SAVE - __raw_writel(__raw_readl(SMS_SYSCONFIG)|SMART_IDLE, SMS_SYSCONFIG); - __raw_writel(sdata->sdrc_sharing|SMART_IDLE, SDRC_SHARING); - __raw_writel((__raw_readl(SDRC_POWER)|BIT6), SDRC_POWER); -#endif - } - - if ((pass_type == IP_DDR) || (pass_type == STACKED)) /* (IP ddr-CS0),(2422-CS0/CS1) */ - __raw_writel(sdata->sdrc_mdcfg_0_ddr, SDRC_MCFG_0+offset); - else if (pass_type == COMBO_DDR){ /* (combo-CS0/CS1) */ - __raw_writel(H4_2420_COMBO_MDCFG_0_DDR,SDRC_MCFG_0+offset); - } else if (pass_type == IP_SDR){ /* ip sdr-CS0 */ - __raw_writel(sdata->sdrc_mdcfg_0_sdr, SDRC_MCFG_0+offset); - } - - a = sdata->sdrc_actim_ctrla_0; - b = sdata->sdrc_actim_ctrlb_0; - r = sdata->sdrc_dllab_ctrl; - - /* work around ES1 DDR issues */ - if((pass_type != IP_SDR) && (rev == CPU_2420_2422_ES1)){ - a = H4_242x_SDRC_ACTIM_CTRLA_0_ES1; - b = H4_242x_SDRC_ACTIM_CTRLB_0_ES1; - r = H4_242x_SDRC_RFR_CTRL_ES1; - } - - if (cs0) { - __raw_writel(a, SDRC_ACTIM_CTRLA_0); - __raw_writel(b, SDRC_ACTIM_CTRLB_0); - } else { - __raw_writel(a, SDRC_ACTIM_CTRLA_1); - __raw_writel(b, SDRC_ACTIM_CTRLB_1); - } - __raw_writel(r, SDRC_RFR_CTRL+offset); - - /* init sequence for mDDR/mSDR using manual commands (DDR is a bit different) */ - __raw_writel(CMD_NOP, SDRC_MANUAL_0+offset); - sdelay(5000); /* susposed to be 100us per design spec for mddr/msdr */ - __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0+offset); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0+offset); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0+offset); - - /* - * CSx SDRC Mode Register - * Burst length = (4 - DDR) (2-SDR) - * Serial mode - * CAS latency = x - */ - if(pass_type == IP_SDR) - __raw_writel(sdata->sdrc_mr_0_sdr, SDRC_MR_0+offset); - else - __raw_writel(sdata->sdrc_mr_0_ddr, SDRC_MR_0+offset); - - /* NOTE: ES1 242x _BUG_ DLL + External Bandwidth fix*/ - if (rev == CPU_2420_2422_ES1){ - dllen = (BIT0|BIT3); /* es1 clear both bit0 and bit3 */ - __raw_writel((__raw_readl(SMS_CLASS_ARB0)|BURSTCOMPLETE_GROUP7) - ,SMS_CLASS_ARB0);/* enable bust complete for lcd */ - } - else - dllen = BIT0|BIT1; /* es2, clear bit0, and 1 (set phase to 72) */ - - /* enable & load up DLL with good value for 75MHz, and set phase to 90 - * ES1 recommends 90 phase, ES2 recommends 72 phase. - */ - if (common && (pass_type != IP_SDR)) { - __raw_writel(sdata->sdrc_dllab_ctrl, SDRC_DLLA_CTRL); - __raw_writel(sdata->sdrc_dllab_ctrl & ~(BIT2|dllen), SDRC_DLLA_CTRL); - __raw_writel(sdata->sdrc_dllab_ctrl, SDRC_DLLB_CTRL); - __raw_writel(sdata->sdrc_dllab_ctrl & ~(BIT2|dllen) , SDRC_DLLB_CTRL); - } - sdelay(90000); - - if(mem_ok()) - return; /* STACKED, other configued type */ - ++pass_type; /* IPDDR->COMBODDR->IPSDR for CS0 */ - goto next_mem_type; -} - -/***************************************************** - * gpmc_init(): init gpmc bus - * Init GPMC for x16, MuxMode (SDRAM in x32). - * This code can only be executed from SRAM or SDRAM. - *****************************************************/ -void gpmc_init(void) -{ - u32 mux=0, mtype, mwidth, rev, tval; - - rev = get_cpu_rev(); - if (rev == CPU_2420_2422_ES1) - tval = 1; - else - tval = 0; /* disable bit switched meaning */ - - /* global settings */ - __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */ - __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */ - __raw_writel(tval, GPMC_TIMEOUT_CONTROL);/* timeout disable */ -#ifdef CONFIG_SYS_NAND_BOOT - __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */ -#else - __raw_writel(0x111, GPMC_CONFIG); /* set nWP, disable limited addr */ -#endif - - /* discover bus connection from sysboot */ - if (is_gpmc_muxed() == GPMC_MUXED) - mux = BIT9; - mtype = get_gpmc0_type(); - mwidth = get_gpmc0_width(); - - /* setup cs0 */ - __raw_writel(0x0, GPMC_CONFIG7_0); /* disable current map */ - sdelay(1000); - -#ifdef CONFIG_SYS_NAND_BOOT - __raw_writel(H4_24XX_GPMC_CONFIG1_0|mtype|mwidth, GPMC_CONFIG1_0); -#else - __raw_writel(H4_24XX_GPMC_CONFIG1_0|mux|mtype|mwidth, GPMC_CONFIG1_0); -#endif - -#ifdef PRCM_CONFIG_III - __raw_writel(H4_24XX_GPMC_CONFIG2_0, GPMC_CONFIG2_0); -#endif - __raw_writel(H4_24XX_GPMC_CONFIG3_0, GPMC_CONFIG3_0); - __raw_writel(H4_24XX_GPMC_CONFIG4_0, GPMC_CONFIG4_0); -#ifdef PRCM_CONFIG_III - __raw_writel(H4_24XX_GPMC_CONFIG5_0, GPMC_CONFIG5_0); - __raw_writel(H4_24XX_GPMC_CONFIG6_0, GPMC_CONFIG6_0); -#endif - __raw_writel(H4_24XX_GPMC_CONFIG7_0, GPMC_CONFIG7_0);/* enable new mapping */ - sdelay(2000); - - /* setup cs1 */ - __raw_writel(0, GPMC_CONFIG7_1); /* disable any mapping */ - sdelay(1000); - __raw_writel(H4_24XX_GPMC_CONFIG1_1|mux, GPMC_CONFIG1_1); - __raw_writel(H4_24XX_GPMC_CONFIG2_1, GPMC_CONFIG2_1); - __raw_writel(H4_24XX_GPMC_CONFIG3_1, GPMC_CONFIG3_1); - __raw_writel(H4_24XX_GPMC_CONFIG4_1, GPMC_CONFIG4_1); - __raw_writel(H4_24XX_GPMC_CONFIG5_1, GPMC_CONFIG5_1); - __raw_writel(H4_24XX_GPMC_CONFIG6_1, GPMC_CONFIG6_1); - __raw_writel(H4_24XX_GPMC_CONFIG7_1, GPMC_CONFIG7_1); /* enable mapping */ - sdelay(2000); -} diff --git a/board/omap2420h4/omap2420h4.c b/board/omap2420h4/omap2420h4.c deleted file mode 100644 index 8d18239..0000000 --- a/board/omap2420h4/omap2420h4.c +++ /dev/null @@ -1,844 +0,0 @@ -/* - * (C) Copyright 2004 - * Texas Instruments, <www.ti.com> - * Richard Woodruff <r-woodruff2@ti.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 <common.h> -#include <asm/arch/omap2420.h> -#include <asm/io.h> -#include <asm/arch/bits.h> -#include <asm/arch/mux.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/sys_info.h> -#include <asm/arch/mem.h> -#include <i2c.h> -#include <asm/mach-types.h> - -DECLARE_GLOBAL_DATA_PTR; - -void wait_for_command_complete(unsigned int wd_base); - -/******************************************************* - * Routine: delay - * Description: spinning delay to use before udelay works - ******************************************************/ -static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - -/***************************************** - * Routine: board_init - * Description: Early hardware init. - *****************************************/ -int board_init (void) -{ - gpmc_init(); /* in SRAM or SDRM, finish GPMC */ - - gd->bd->bi_arch_number = MACH_TYPE_OMAP_H4; /* board id for linux */ - gd->bd->bi_boot_params = (OMAP2420_SDRC_CS0+0x100); /* adress of boot parameters */ - - return 0; -} - -/********************************************************** - * Routine: try_unlock_sram() - * Description: If chip is GP type, unlock the SRAM for - * general use. - ***********************************************************/ -void try_unlock_sram(void) -{ - /* if GP device unlock device SRAM for general use */ - if (get_device_type() == GP_DEVICE) { - __raw_writel(0xFF, A_REQINFOPERM0); - __raw_writel(0xCFDE, A_READPERM0); - __raw_writel(0xCFDE, A_WRITEPERM0); - } -} - -/********************************************************** - * Routine: s_init - * Description: Does early system init of muxing and clocks. - * - Called path is with sram stack. - **********************************************************/ -void s_init(void) -{ - int in_sdram = running_in_sdram(); - - watchdog_init(); - set_muxconf_regs(); - delay(100); - try_unlock_sram(); - - if(!in_sdram) - prcm_init(); - - peripheral_enable(); - icache_enable(); - if (!in_sdram) - sdrc_init(); -} - -/******************************************************* - * Routine: misc_init_r - * Description: Init ethernet (done here so udelay works) - ********************************************************/ -int misc_init_r (void) -{ - ether_init(); /* better done here so timers are init'ed */ - return(0); -} - -/**************************************** - * Routine: watchdog_init - * Description: Shut down watch dogs - *****************************************/ -void watchdog_init(void) -{ - /* There are 4 watch dogs. 1 secure, and 3 general purpose. - * The ROM takes care of the secure one. Of the 3 GP ones, - * 1 can reset us directly, the other 2 only generate MPU interrupts. - */ - __raw_writel(WD_UNLOCK1 ,WD2_BASE+WSPR); - wait_for_command_complete(WD2_BASE); - __raw_writel(WD_UNLOCK2 ,WD2_BASE+WSPR); - -#if MPU_WD_CLOCKED /* value 0x10 stick on aptix, BIT4 polarity seems oppsite*/ - __raw_writel(WD_UNLOCK1 ,WD3_BASE+WSPR); - wait_for_command_complete(WD3_BASE); - __raw_writel(WD_UNLOCK2 ,WD3_BASE+WSPR); - - __raw_writel(WD_UNLOCK1 ,WD4_BASE+WSPR); - wait_for_command_complete(WD4_BASE); - __raw_writel(WD_UNLOCK2 ,WD4_BASE+WSPR); -#endif -} - -/****************************************************** - * Routine: wait_for_command_complete - * Description: Wait for posting to finish on watchdog - ******************************************************/ -void wait_for_command_complete(unsigned int wd_base) -{ - int pending = 1; - do { - pending = __raw_readl(wd_base+WWPS); - } while (pending); -} - -/******************************************************************* - * Routine:ether_init - * Description: take the Ethernet controller out of reset and wait - * for the EEPROM load to complete. - ******************************************************************/ -void ether_init (void) -{ -#ifdef CONFIG_DRIVER_LAN91C96 - int cnt = 20; - - __raw_writeb(0x3,OMAP2420_CTRL_BASE+0x10a); /*protect->gpio95 */ - - __raw_writew(0x0, LAN_RESET_REGISTER); - do { - __raw_writew(0x1, LAN_RESET_REGISTER); - udelay (100); - if (cnt == 0) - goto h4reset_err_out; - --cnt; - } while (__raw_readw(LAN_RESET_REGISTER) != 0x1); - - cnt = 20; - - do { - __raw_writew(0x0, LAN_RESET_REGISTER); - udelay (100); - if (cnt == 0) - goto h4reset_err_out; - --cnt; - } while (__raw_readw(LAN_RESET_REGISTER) != 0x0000); - udelay (1000); - - *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01; - udelay (1000); - - h4reset_err_out: - return; -#endif -} - -/********************************************** - * Routine: dram_init - * Description: sets uboots idea of sdram size - **********************************************/ -int dram_init (void) -{ - unsigned int size0=0,size1=0; - u32 mtype, btype, rev, cpu; - u8 chg_on = 0x5; /* enable charge of back up battery */ - u8 vmode_on = 0x8C; - #define NOT_EARLY 0 - - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); /* need this a bit early */ - - btype = get_board_type(); - mtype = get_mem_type(); - rev = get_cpu_rev(); - cpu = get_cpu_type(); - - display_board_info(btype); - if (btype == BOARD_H4_MENELAUS){ - update_mux(btype,mtype); /* combo part on menelaus */ - i2c_write(I2C_MENELAUS, 0x20, 1, &chg_on, 1); /*fix POR reset bug */ - i2c_write(I2C_MENELAUS, 0x2, 1, &vmode_on, 1); /* VCORE change on VMODE */ - } - - if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) { - do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); /* init other chip select */ - } - size0 = get_sdr_cs_size(SDRC_CS0_OSET); - size1 = get_sdr_cs_size(SDRC_CS1_OSET); - - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = size0; - if(rev == CPU_2420_2422_ES1) /* ES1's 128MB remap granularity isn't worth doing */ - gd->bd->bi_dram[1].start = PHYS_SDRAM_2; - else /* ES2 and above can remap at 32MB granularity */ - gd->bd->bi_dram[1].start = PHYS_SDRAM_1+size0; - gd->bd->bi_dram[1].size = size1; - - return 0; -} - -/********************************************************** - * Routine: set_muxconf_regs - * Description: Setting up the configuration Mux registers - * specific to the hardware - *********************************************************/ -void set_muxconf_regs (void) -{ - muxSetupSDRC(); - muxSetupGPMC(); - muxSetupUsb0(); - muxSetupUart3(); - muxSetupI2C1(); - muxSetupUART1(); - muxSetupLCD(); - muxSetupCamera(); - muxSetupMMCSD(); - muxSetupTouchScreen(); - muxSetupHDQ(); -} - -/***************************************************************** - * Routine: peripheral_enable - * Description: Enable the clks & power for perifs (GPT2, UART1,...) - ******************************************************************/ -void peripheral_enable(void) -{ - unsigned int v, if_clks=0, func_clks=0; - - /* Enable GP2 timer.*/ - if_clks |= BIT4; - func_clks |= BIT4; - v = __raw_readl(CM_CLKSEL2_CORE) | 0x4; /* Sys_clk input OMAP2420_GPT2 */ - __raw_writel(v, CM_CLKSEL2_CORE); - __raw_writel(0x1, CM_CLKSEL_WKUP); - -#ifdef CONFIG_SYS_NS16550 - /* Enable UART1 clock */ - func_clks |= BIT21; - if_clks |= BIT21; -#endif - v = __raw_readl(CM_ICLKEN1_CORE) | if_clks; /* Interface clocks on */ - __raw_writel(v,CM_ICLKEN1_CORE ); - v = __raw_readl(CM_FCLKEN1_CORE) | func_clks; /* Functional Clocks on */ - __raw_writel(v, CM_FCLKEN1_CORE); - delay(1000); - -#ifndef KERNEL_UPDATED - { -#define V1 0xffffffff -#define V2 0x00000007 - - __raw_writel(V1, CM_FCLKEN1_CORE); - __raw_writel(V2, CM_FCLKEN2_CORE); - __raw_writel(V1, CM_ICLKEN1_CORE); - __raw_writel(V1, CM_ICLKEN2_CORE); - } -#endif -} - -/**************************************** - * Routine: muxSetupUsb0 (ostboot) - * Description: Setup usb muxing - *****************************************/ -void muxSetupUsb0(void) -{ - volatile uint8 *MuxConfigReg; - volatile uint32 *otgCtrlReg; - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_PUEN; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VP; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_VM; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_RCV; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_TXEN; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_SE0; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_USB0_DAT; - *MuxConfigReg &= (uint8)(~0x1F); - - /* setup for USB VBus detection */ - otgCtrlReg = (volatile uint32 *)USB_OTG_CTRL; - *otgCtrlReg |= 0x00040000; /* bit 18 */ -} - -/**************************************** - * Routine: muxSetupUart3 (ostboot) - * Description: Setup uart3 muxing - *****************************************/ -void muxSetupUart3(void) -{ - volatile uint8 *MuxConfigReg; - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_UART3_TX_IRTX; - *MuxConfigReg &= (uint8)(~0x1F); - - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_UART3_RX_IRRX; - *MuxConfigReg &= (uint8)(~0x1F); -} - -/**************************************** - * Routine: muxSetupI2C1 (ostboot) - * Description: Setup i2c muxing - *****************************************/ -void muxSetupI2C1(void) -{ - volatile unsigned char *MuxConfigReg; - - /* I2C1 Clock pin configuration, PIN = M19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_I2C1_SCL; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* I2C1 Data pin configuration, PIN = L15 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_I2C1_SDA; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* Pull-up required on data line */ - /* external pull-up already present. */ - /* *MuxConfigReg |= 0x18 ;*/ /* Mode = 0, PullTypeSel=PU, PullUDEnable=Enabled */ -} - -/**************************************** - * Routine: muxSetupUART1 (ostboot) - * Description: Set up uart1 muxing - *****************************************/ -void muxSetupUART1(void) -{ - volatile unsigned char *MuxConfigReg; - - /* UART1_CTS pin configuration, PIN = D21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_CTS; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* UART1_RTS pin configuration, PIN = H21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RTS; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* UART1_TX pin configuration, PIN = L20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_TX; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* UART1_RX pin configuration, PIN = T21 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_UART1_RX; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ -} - -/**************************************** - * Routine: muxSetupLCD (ostboot) - * Description: Setup lcd muxing - *****************************************/ -void muxSetupLCD(void) -{ - volatile unsigned char *MuxConfigReg; - - /* LCD_D0 pin configuration, PIN = Y7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D0; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D1 pin configuration, PIN = P10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D1; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D2 pin configuration, PIN = V8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D2; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D3 pin configuration, PIN = Y8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D3; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D4 pin configuration, PIN = W8 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D4; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D5 pin configuration, PIN = R10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D5; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D6 pin configuration, PIN = Y9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D6; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D7 pin configuration, PIN = V9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D7; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D8 pin configuration, PIN = W9 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D8; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D9 pin configuration, PIN = P11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D9; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D10 pin configuration, PIN = V10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D10; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D11 pin configuration, PIN = Y10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D11; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D12 pin configuration, PIN = W10 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D12; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D13 pin configuration, PIN = R11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D13; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D14 pin configuration, PIN = V11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D14; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D15 pin configuration, PIN = W11 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D15; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D16 pin configuration, PIN = P12 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D16; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_D17 pin configuration, PIN = R12 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_D17; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_PCLK pin configuration, PIN = W6 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_PCLK; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_VSYNC pin configuration, PIN = V7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_VSYNC; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_HSYNC pin configuration, PIN = Y6 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_HSYNC; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* LCD_ACBIAS pin configuration, PIN = W7 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_DSS_ACBIAS; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ -} - -/**************************************** - * Routine: muxSetupCamera (ostboot) - * Description: Setup camera muxing - *****************************************/ -void muxSetupCamera(void) -{ - volatile unsigned char *MuxConfigReg; - - /* CAMERA_RSTZ pin configuration, PIN = Y16 */ - /* CAM_RST is connected through the I2C IO expander.*/ - /* MuxConfigReg = (volatile unsigned char *), CONTROL_PADCONF_SYS_NRESWARM*/ - /* *MuxConfigReg = 0x00 ; / * Mode = 0, PUPD=Disabled */ - - /* CAMERA_XCLK pin configuration, PIN = U3 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_XCLK; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_LCLK pin configuration, PIN = V5 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_LCLK; - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_VSYNC pin configuration, PIN = U2 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_VS, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_HSYNC pin configuration, PIN = T3 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_HS, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT0 pin configuration, PIN = T4 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D0, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT1 pin configuration, PIN = V2 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D1, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT2 pin configuration, PIN = V3 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D2, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT3 pin configuration, PIN = U4 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D3, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT4 pin configuration, PIN = W2 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D4, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT5 pin configuration, PIN = V4 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D5, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT6 pin configuration, PIN = W3 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D6, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT7 pin configuration, PIN = Y2 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D7, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT8 pin configuration, PIN = Y4 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D8, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* CAMERA_DAT9 pin configuration, PIN = V6 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_CAM_D9, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ -} - -/**************************************** - * Routine: muxSetupMMCSD (ostboot) - * Description: set up MMC muxing - *****************************************/ -void muxSetupMMCSD(void) -{ - volatile unsigned char *MuxConfigReg; - - /* SDMMC_CLKI pin configuration, PIN = H15 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKI, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CLKO pin configuration, PIN = G19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CLKO, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CMD pin configuration, PIN = H18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT0 pin configuration, PIN = F20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT0, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT1 pin configuration, PIN = H14 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT1, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT2 pin configuration, PIN = E19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT2, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DAT3 pin configuration, PIN = D19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT3, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - /* External pull-ups are present. */ - /* *MuxConfigReg |= 0x18 ; #/ PullUDEnable=Enabled, PullTypeSel=PU */ - - /* SDMMC_DDIR0 pin configuration, PIN = F19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR0, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR1 pin configuration, PIN = E20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR1, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR2 pin configuration, PIN = F18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR2, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_DDIR3 pin configuration, PIN = E18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_DAT_DIR3, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SDMMC_CDIR pin configuration, PIN = G18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MMC_CMD_DIR, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* MMC_CD pin configuration, PIN = B3 ---2420IP ONLY---*/ - /* MMC_CD for 2422IP=K1 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SDRC_A14, - *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ - - /* MMC_WP pin configuration, PIN = B4 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SDRC_A13, - *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ -} - -/****************************************** - * Routine: muxSetupTouchScreen (ostboot) - * Description: Set up touch screen muxing - *******************************************/ -void muxSetupTouchScreen(void) -{ - volatile unsigned char *MuxConfigReg; - - /* SPI1_CLK pin configuration, PIN = U18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_CLK, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_MOSI pin configuration, PIN = V20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SIMO, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_MISO pin configuration, PIN = T18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_SOMI, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* SPI1_nCS0 pin configuration, PIN = U19 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_SPI1_NCS0, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ - - /* PEN_IRQ pin configuration, PIN = P20 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_MCBSP1_FSR, - *MuxConfigReg = 0x03 ; /* Mode = 3, PUPD=Disabled */ -} - -/**************************************** - * Routine: muxSetupHDQ (ostboot) - * Description: setup 1wire mux - *****************************************/ -void muxSetupHDQ(void) -{ - volatile unsigned char *MuxConfigReg; - - /* HDQ_SIO pin configuration, PIN = N18 */ - MuxConfigReg = (volatile unsigned char *)CONTROL_PADCONF_HDQ_SIO, - *MuxConfigReg = 0x00 ; /* Mode = 0, PUPD=Disabled */ -} - -/*************************************************************** - * Routine: muxSetupGPMC (ostboot) - * Description: Configures balls which cam up in protected mode - ***************************************************************/ -void muxSetupGPMC(void) -{ - volatile uint8 *MuxConfigReg; - volatile unsigned int *MCR = (volatile unsigned int *)0x4800008C; - - /* gpmc_io_dir */ - *MCR = 0x19000000; - - /* NOR FLASH CS0 */ - /* signal - Gpmc_clk; pin - J4; offset - 0x0088; mode - 0; Byte-3 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_D2_BYTE3, - *MuxConfigReg = 0x00 ; - - /* signal - Gpmc_iodir; pin - n2; offset - 0x008C; mode - 1; Byte-3 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE3, - *MuxConfigReg = 0x01 ; - - /* MPDB(Multi Port Debug Port) CS1 */ - /* signal - gpmc_ncs1; pin - N8; offset - 0x008C; mode - 0; Byte-1 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE1, - *MuxConfigReg = 0x00 ; - - /* signal - Gpmc_ncs2; pin - E2; offset - 0x008C; mode - 0; Byte-2 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_GPMC_NCS0_BYTE2, - *MuxConfigReg = 0x00 ; -} - -/**************************************************************** - * Routine: muxSetupSDRC (ostboot) - * Description: Configures balls which come up in protected mode - ****************************************************************/ -void muxSetupSDRC(void) -{ - volatile uint8 *MuxConfigReg; - - /* signal - sdrc_ncs1; pin - C12; offset - 0x00A0; mode - 0; Byte-1 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_NCS0_BYTE1, - *MuxConfigReg = 0x00 ; - - /* signal - sdrc_a12; pin - D11; offset - 0x0030; mode - 0; Byte-2 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_A14_BYTE2, - *MuxConfigReg = 0x00 ; - - /* signal - sdrc_cke1; pin - B13; offset - 0x00A0; mode - 0; Byte-3 Pull/up - N/A */ - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_NCS0_BYTE3, - *MuxConfigReg = 0x00; - - if (get_cpu_type() == CPU_2422) { - MuxConfigReg = (volatile uint8 *)CONTROL_PADCONF_SDRC_A14_BYTE0, - *MuxConfigReg = 0x1b; - } -} - -/***************************************************************************** - * Routine: update_mux() - * Description: Update balls which are different beween boards. All should be - * updated to match functionaly. However, I'm only updating ones - * which I'll be using for now. When power comes into play they - * all need updating. - *****************************************************************************/ -void update_mux(u32 btype,u32 mtype) -{ - u32 cpu, base = OMAP2420_CTRL_BASE; - cpu = get_cpu_type(); - - if (btype == BOARD_H4_MENELAUS) { - if (cpu == CPU_2420) { - /* PIN = B3, GPIO.0->KBR5, mode 3, (pun?),-DO-*/ - __raw_writeb(0x3, base+0x30); - /* PIN = B13, GPIO.38->KBC6, mode 3, (pun?)-DO-*/ - __raw_writeb(0x3, base+0xa3); - /* PIN = F1, GPIO.25->HSUSBxx mode 3, (for external HS USB)*/ - /* PIN = H1, GPIO.26->HSUSBxx mode 3, (for external HS USB)*/ - /* PIN = K1, GPMC_ncs6 mode 0, (on board nand access)*/ - /* PIN = L2, GPMC_ncs67 mode 0, (for external HS USB)*/ - /* PIN = M1 (HSUSBOTG) */ - /* PIN = P1, GPIO.35->MEN_POK mode 3, (menelaus powerok)-DO-*/ - __raw_writeb(0x3, base+0x9d); - /* PIN = U32, (WLAN_CLKREQ) */ - /* PIN = Y11, WLAN */ - /* PIN = AA4, GPIO.15->KBC2, mode 3, -DO- */ - __raw_writeb(0x3, base+0xe7); - /* PIN = AA8, mDOC */ - /* PIN = AA10, BT */ - /* PIN = AA13, WLAN */ - /* PIN = M18 GPIO.96->MMC2_WP mode 3 -DO- */ - __raw_writeb(0x3, base+0x10e); - /* PIN = N19 GPIO.98->WLAN_INT mode 3 -DO- */ - __raw_writeb(0x3, base+0x110); - /* PIN = J15 HHUSB */ - /* PIN = H19 HSUSB */ - /* PIN = W13, P13, R13, W16 ... */ - /* PIN = V12 GPIO.25->I2C_CAMEN mode 3 -DO- */ - __raw_writeb(0x3, base+0xde); - /* PIN = W19 sys_nirq->MENELAUS_INT mode 0 -DO- */ - __raw_writeb(0x0, base+0x12c); - /* PIN = AA17->sys_clkreq mode 0 -DO- */ - __raw_writeb(0x0, base+0x136); - } else if (cpu == CPU_2422) { - /* PIN = B3, GPIO.0->nc, mode 3, set above (pun?)*/ - /* PIN = B13, GPIO.cke1->nc, mode 0, set above, (pun?)*/ - /* PIN = F1, GPIO.25->HSUSBxx mode 3, (for external HS USB)*/ - /* PIN = H1, GPIO.26->HSUSBxx mode 3, (for external HS USB)*/ - /* PIN = K1, GPMC_ncs6 mode 0, (on board nand access)*/ - __raw_writeb(0x0, base+0x92); - /* PIN = L2, GPMC_ncs67 mode 0, (for external HS USB)*/ - /* PIN = M1 (HSUSBOTG) */ - /* PIN = P1, GPIO.35->MEN_POK mode 3, (menelaus powerok)-DO-*/ - __raw_writeb(0x3, base+0x10c); - /* PIN = U32, (WLAN_CLKREQ) */ - /* PIN = AA4, GPIO.15->KBC2, mode 3, -DO- */ - __raw_writeb(0x3, base+0x30); - /* PIN = AA8, mDOC */ - /* PIN = AA10, BT */ - /* PIN = AA12, WLAN */ - /* PIN = M18 GPIO.96->MMC2_WP mode 3 -DO- */ - __raw_writeb(0x3, base+0x10e); - /* PIN = N19 GPIO.98->WLAN_INT mode 3 -DO- */ - __raw_writeb(0x3, base+0x110); - /* PIN = J15 HHUSB */ - /* PIN = H19 HSUSB */ - /* PIN = W13, P13, R13, W16 ... */ - /* PIN = V12 GPIO.25->I2C_CAMEN mode 3 -DO- */ - __raw_writeb(0x3, base+0xde); - /* PIN = W19 sys_nirq->MENELAUS_INT mode 0 -DO- */ - __raw_writeb(0x0, base+0x12c); - /* PIN = AA17->sys_clkreq mode 0 -DO- */ - __raw_writeb(0x0, base+0x136); - } - - } else if (btype == BOARD_H4_SDP) { - if (cpu == CPU_2420) { - /* PIN = B3, GPIO.0->nc mode 3, set above (pun?)*/ - /* PIN = B13, GPIO.cke1->nc, mode 0, set above, (pun?)*/ - /* Pin = Y11 VLNQ */ - /* Pin = AA4 VLNQ */ - /* Pin = AA6 VLNQ */ - /* Pin = AA8 VLNQ */ - /* Pin = AA10 VLNQ */ - /* Pin = AA12 VLNQ */ - /* PIN = M18 GPIO.96->KBR5 mode 3 -DO- */ - __raw_writeb(0x3, base+0x10e); - /* PIN = N19 GPIO.98->KBC6 mode 3 -DO- */ - __raw_writeb(0x3, base+0x110); - /* PIN = J15 MDOC_nDMAREQ */ - /* PIN = H19 GPIO.100->KBC2 mode 3 -DO- */ - __raw_writeb(0x3, base+0x114); - /* PIN = W13, V12, P13, R13, W19, W16 ... */ - /* PIN = AA17 sys_clkreq->bt_clk_req mode 0 */ - } else if (cpu == CPU_2422) { - /* PIN = B3, GPIO.0->MMC_CD, mode 3, set above */ - /* PIN = B13, GPIO.38->wlan_int, mode 3, (pun?)*/ - /* Pin = Y11 VLNQ */ - /* Pin = AA4 VLNQ */ - /* Pin = AA6 VLNQ */ - /* Pin = AA8 VLNQ */ - /* Pin = AA10 VLNQ */ - /* Pin = AA12 VLNQ */ - /* PIN = M18 GPIO.96->KBR5 mode 3 -DO- */ - __raw_writeb(0x3, base+0x10e); - /* PIN = N19 GPIO.98->KBC6 mode 3 -DO- */ - __raw_writeb(0x3, base+0x110); - /* PIN = J15 MDOC_nDMAREQ */ - /* PIN = H19 GPIO.100->KBC2 mode 3 -DO- */ - __raw_writeb(0x3, base+0x114); - /* PIN = W13, V12, P13, R13, W19, W16 ... */ - /* PIN = AA17 sys_clkreq->bt_clk_req mode 0 */ - } - } -} diff --git a/board/omap2420h4/sys_info.c b/board/omap2420h4/sys_info.c deleted file mode 100644 index a9f7241..0000000 --- a/board/omap2420h4/sys_info.c +++ /dev/null @@ -1,387 +0,0 @@ -/* - * (C) Copyright 2004 - * Texas Instruments, <www.ti.com> - * Richard Woodruff <r-woodruff2@ti.com> - * - * 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 <common.h> -#include <asm/arch/omap2420.h> -#include <asm/io.h> -#include <asm/arch/bits.h> -#include <asm/arch/mem.h> /* get mem tables */ -#include <asm/arch/sys_proto.h> -#include <asm/arch/sys_info.h> -#include <i2c.h> - -/************************************************************************** - * get_prod_id() - get id info from chips - ***************************************************************************/ -static u32 get_prod_id(void) -{ - u32 p; - p = __raw_readl(PRODUCTION_ID); /* get production ID */ - return((p & CPU_242X_PID_MASK) >> 16); -} - -/************************************************************************** - * get_cpu_type() - low level get cpu type - * - no C globals yet. - * - just looking to say if this is a 2422 or 2420 or ... - * - to start with we will look at switch settings.. - * - 2422 id's same as 2420 for ES1 will rely on H4 board characteristics - * (mux for 2420, non-mux for 2422). - ***************************************************************************/ -u32 get_cpu_type(void) -{ - u32 v; - - switch(get_prod_id()){ - case 1:;/* 2420 */ - case 2: return(CPU_2420); break; /* 2420 pop */ - case 4: return(CPU_2422); break; - case 8: return(CPU_2423); break; - default: break; /* early 2420/2422's unmarked */ - } - - v = __raw_readl(TAP_IDCODE_REG); - v &= CPU_24XX_ID_MASK; - if (v == CPU_2420_CHIPID) { /* currently 2420 and 2422 have same id */ - if (is_gpmc_muxed() == GPMC_MUXED) /* if mux'ed */ - return(CPU_2420); - else - return(CPU_2422); - } else - return(CPU_2420); /* don't know, say 2420 */ -} - -/****************************************** - * get_cpu_rev(void) - extract version info - ******************************************/ -u32 get_cpu_rev(void) -{ - u32 v; - v = __raw_readl(TAP_IDCODE_REG); - v = v >> 28; - return(v+1); /* currently 2422 and 2420 match up */ -} -/**************************************************** - * is_mem_sdr() - return 1 if mem type in use is SDR - ****************************************************/ -u32 is_mem_sdr(void) -{ - volatile u32 *burst = (volatile u32 *)(SDRC_MR_0+SDRC_CS0_OSET); - if(*burst == H4_2420_SDRC_MR_0_SDR) - return(1); - return(0); -} - -/*********************************************************** - * get_mem_type() - identify type of mDDR part used. - * 2422 uses stacked DDR, 2 parts CS0/CS1. - * 2420 may have 1 or 2, no good way to know...only init 1... - * when eeprom data is up we can select 1 more. - *************************************************************/ -u32 get_mem_type(void) -{ - u32 cpu, sdr = is_mem_sdr(); - - cpu = get_cpu_type(); - if (cpu == CPU_2422 || cpu == CPU_2423) - return(DDR_STACKED); - - if(get_prod_id() == 0x2) - return(XDR_POP); - - if (get_board_type() == BOARD_H4_MENELAUS) - if(sdr) - return(SDR_DISCRETE); - else - return(DDR_COMBO); - else - if(sdr) /* SDP + SDR kit */ - return(SDR_DISCRETE); - else - return(DDR_DISCRETE); /* origional SDP */ -} - -/*********************************************************************** - * get_cs0_size() - get size of chip select 0/1 - ************************************************************************/ -u32 get_sdr_cs_size(u32 offset) -{ - u32 size; - size = __raw_readl(SDRC_MCFG_0+offset) >> 8; /* get ram size field */ - size &= 0x2FF; /* remove unwanted bits */ - size *= SZ_2M; /* find size in MB */ - return(size); -} - -/*********************************************************************** - * get_board_type() - get board type based on current production stats. - * --- NOTE: 2 I2C EEPROMs will someday be populated with proper info. - * when they are available we can get info from there. This should - * be correct of all known boards up until today. - ************************************************************************/ -u32 get_board_type(void) -{ - if (i2c_probe(I2C_MENELAUS) == 0) - return(BOARD_H4_MENELAUS); - else - return(BOARD_H4_SDP); -} - -/****************************************************************** - * get_sysboot_value() - get init word settings (dip switch on h4) - ******************************************************************/ -inline u32 get_sysboot_value(void) -{ - return(0x00000FFF & __raw_readl(CONTROL_STATUS)); -} - -/*************************************************************************** - * get_gpmc0_base() - Return current address hardware will be - * fetching from. The below effectively gives what is correct, its a bit - * mis-leading compared to the TRM. For the most general case the mask - * needs to be also taken into account this does work in practice. - * - for u-boot we currently map: - * -- 0 to nothing, - * -- 4 to flash - * -- 8 to enent - * -- c to wifi - ****************************************************************************/ -u32 get_gpmc0_base(void) -{ - u32 b; - - b = __raw_readl(GPMC_CONFIG7_0); - b &= 0x1F; /* keep base [5:0] */ - b = b << 24; /* ret 0x0b000000 */ - return(b); -} - -/***************************************************************** - * is_gpmc_muxed() - tells if address/data lines are multiplexed - *****************************************************************/ -u32 is_gpmc_muxed(void) -{ - u32 mux; - mux = get_sysboot_value(); - if ((mux & (BIT0 | BIT1 | BIT2 | BIT3)) == (BIT0 | BIT2 | BIT3)) - return(GPMC_MUXED); /* NAND Boot mode */ - if (mux & BIT1) /* if mux'ed */ - return(GPMC_MUXED); - else - return(GPMC_NONMUXED); -} - -/************************************************************************ - * get_gpmc0_type() - read sysboot lines to see type of memory attached - ************************************************************************/ -u32 get_gpmc0_type(void) -{ - u32 type; - type = get_sysboot_value(); - if ((type & (BIT3|BIT2)) == (BIT3|BIT2)) - return(TYPE_NAND); - else - return(TYPE_NOR); -} - -/******************************************************************* - * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand) - *******************************************************************/ -u32 get_gpmc0_width(void) -{ - u32 width; - width = get_sysboot_value(); - if ((width & 0xF) == (BIT3|BIT2)) - return(WIDTH_8BIT); - else - return(WIDTH_16BIT); -} - -/********************************************************************* - * wait_on_value() - common routine to allow waiting for changes in - * volatile regs. - *********************************************************************/ -u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound) -{ - u32 i = 0, val; - do { - ++i; - val = __raw_readl(read_addr) & read_bit_mask; - if (val == match_value) - return(1); - if (i==bound) - return(0); - } while (1); -} - -/********************************************************************* - * display_board_info() - print banner with board info. - *********************************************************************/ -void display_board_info(u32 btype) -{ - char cpu_2420[] = "2420"; /* cpu type */ - char cpu_2422[] = "2422"; - char cpu_2423[] = "2423"; - char db_men[] = "Menelaus"; /* board type */ - char db_ip[] = "IP"; - char mem_sdr[] = "mSDR"; /* memory type */ - char mem_ddr[] = "mDDR"; - char t_tst[] = "TST"; /* security level */ - char t_emu[] = "EMU"; - char t_hs[] = "HS"; - char t_gp[] = "GP"; - char unk[] = "?"; - - char *cpu_s, *db_s, *mem_s, *sec_s; - u32 cpu, rev, sec; - - rev = get_cpu_rev(); - cpu = get_cpu_type(); - sec = get_device_type(); - - if(is_mem_sdr()) - mem_s = mem_sdr; - else - mem_s = mem_ddr; - - if(cpu == CPU_2423) - cpu_s = cpu_2423; - else if (cpu == CPU_2422) - cpu_s = cpu_2422; - else - cpu_s = cpu_2420; - - if(btype == BOARD_H4_MENELAUS) - db_s = db_men; - else - db_s = db_ip; - - switch(sec){ - case TST_DEVICE: sec_s = t_tst; break; - case EMU_DEVICE: sec_s = t_emu; break; - case HS_DEVICE: sec_s = t_hs; break; - case GP_DEVICE: sec_s = t_gp; break; - default: sec_s = unk; - } - - printf("OMAP%s-%s revision %d\n", cpu_s, sec_s, rev-1); - printf("TI H4 SDP Base Board + %s Daughter Board + %s \n", db_s, mem_s); -} - -/************************************************************************* - * get_board_rev() - setup to pass kernel board revision information - * 0 = 242x IP platform (first 2xx boards) - * 1 = 242x Menelaus platfrom. - *************************************************************************/ -u32 get_board_rev(void) -{ - u32 rev = 0; - u32 btype = get_board_type(); - - if (btype == BOARD_H4_MENELAUS){ - rev = 1; - } - return(rev); -} - -/******************************************************** - * get_base(); get upper addr of current execution - *******************************************************/ -u32 get_base(void) -{ - u32 val; - __asm__ __volatile__("mov %0, pc \n" : "=r" (val) : : "memory"); - val &= 0xF0000000; - val >>= 28; - return(val); -} - -/******************************************************** - * get_base2(); get 2upper addr of current execution - *******************************************************/ -u32 get_base2(void) -{ - u32 val; - __asm__ __volatile__("mov %0, pc \n" : "=r" (val) : : "memory"); - val &= 0xFF000000; - val >>= 24; - return(val); -} - -/******************************************************** - * running_in_flash() - tell if currently running in - * flash. - *******************************************************/ -u32 running_in_flash(void) -{ - if (get_base() < 4) - return(1); /* in flash */ - return(0); /* running in SRAM or SDRAM */ -} - -/******************************************************** - * running_in_sram() - tell if currently running in - * sram. - *******************************************************/ -u32 running_in_sram(void) -{ - if (get_base() == 4) - return(1); /* in SRAM */ - return(0); /* running in FLASH or SDRAM */ -} -/******************************************************** - * running_in_sdram() - tell if currently running in - * flash. - *******************************************************/ -u32 running_in_sdram(void) -{ - if (get_base() > 4) - return(1); /* in sdram */ - return(0); /* running in SRAM or FLASH */ -} - -/************************************************************* - * running_from_internal_boot() - am I a signed NOR image. - *************************************************************/ -u32 running_from_internal_boot(void) -{ - u32 v, base; - - v = get_sysboot_value() & BIT3; - base = get_base2(); - /* if running at mask rom flash address and - * sysboot3 says this was an internal boot - */ - if ((base == 0x08) && v) - return(1); - else - return(0); -} - -/************************************************************* - * get_device_type(): tell if GP/HS/EMU/TST - *************************************************************/ -u32 get_device_type(void) -{ - int mode; - mode = __raw_readl(CONTROL_STATUS) & (BIT10|BIT9|BIT8); - return(mode >>= 8); -} |