diff options
author | Tom Rini <trini@ti.com> | 2013-06-04 12:02:06 +0000 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2013-06-10 08:43:19 -0400 |
commit | 7f5eef93af92ed9efed7867d24b03fd6056a7404 (patch) | |
tree | 1c387cc980c78894b9e7a075adbfa09ef42d81de /board/ti/omap2420h4 | |
parent | 03e08d7cf6f0c41acb03d3b2c82f39a827a11a10 (diff) | |
download | u-boot-imx-7f5eef93af92ed9efed7867d24b03fd6056a7404.zip u-boot-imx-7f5eef93af92ed9efed7867d24b03fd6056a7404.tar.gz u-boot-imx-7f5eef93af92ed9efed7867d24b03fd6056a7404.tar.bz2 |
arm: Remove OMAP2420H4 and all omap24xx support
The omap2420H4 was the only mainline omap24xx board. Prior to being
fixed by Jon Hunter in time for v2013.04 it had been functionally broken
for a very long time. Remove this board as there's not been interest in
it in U-Boot for quite a long time.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/ti/omap2420h4')
-rw-r--r-- | board/ti/omap2420h4/Makefile | 45 | ||||
-rw-r--r-- | board/ti/omap2420h4/config.mk | 28 | ||||
-rw-r--r-- | board/ti/omap2420h4/lowlevel_init.S | 185 | ||||
-rw-r--r-- | board/ti/omap2420h4/mem.c | 362 | ||||
-rw-r--r-- | board/ti/omap2420h4/omap2420h4.c | 867 | ||||
-rw-r--r-- | board/ti/omap2420h4/sys_info.c | 387 |
6 files changed, 0 insertions, 1874 deletions
diff --git a/board/ti/omap2420h4/Makefile b/board/ti/omap2420h4/Makefile deleted file mode 100644 index cddd7e6..0000000 --- a/board/ti/omap2420h4/Makefile +++ /dev/null @@ -1,45 +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).o - -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) - $(call cmd_link_o_target, $(OBJS) $(SOBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/ti/omap2420h4/config.mk b/board/ti/omap2420h4/config.mk deleted file mode 100644 index e5dff69..0000000 --- a/board/ti/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. -#CONFIG_SYS_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. -#CONFIG_SYS_TEXT_BASE = 0x40270000 - - -# Handy to get symbols to debug ROM version. -#CONFIG_SYS_TEXT_BASE = 0x0 -CONFIG_SYS_TEXT_BASE = 0x08000000 -#CONFIG_SYS_TEXT_BASE = 0x04000000 diff --git a/board/ti/omap2420h4/lowlevel_init.S b/board/ti/omap2420h4/lowlevel_init.S deleted file mode 100644 index 2b5f338..0000000 --- a/board/ti/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/clock.h> - -_TEXT_BASE: - .word CONFIG_SYS_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/ti/omap2420h4/mem.c b/board/ti/omap2420h4/mem.c deleted file mode 100644 index b083238..0000000 --- a/board/ti/omap2420h4/mem.c +++ /dev/null @@ -1,362 +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/clock.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 */ - - 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/ti/omap2420h4/omap2420h4.c b/board/ti/omap2420h4/omap2420h4.c deleted file mode 100644 index 532e989..0000000 --- a/board/ti/omap2420h4/omap2420h4.c +++ /dev/null @@ -1,867 +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 <netdev.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_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; - 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(); - - 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->ram_size = get_ram_size((long *)PHYS_SDRAM_1, size0 + size1); - - return 0; -} - -void dram_init_banksize(void) -{ - unsigned int size0, size1; - u32 rev; - - rev = get_cpu_rev(); - size0 = get_sdr_cs_size(SDRC_CS0_OSET); - size1 = get_sdr_cs_size(SDRC_CS1_OSET); - - 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; - - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = size0; -} - -/********************************************************** - * 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 */ - } - } -} - -#ifdef CONFIG_CMD_NET -int board_eth_init(bd_t *bis) -{ - int rc = 0; -#ifdef CONFIG_LAN91C96 - rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE); -#endif - return rc; -} -#endif diff --git a/board/ti/omap2420h4/sys_info.c b/board/ti/omap2420h4/sys_info.c deleted file mode 100644 index b12011e..0000000 --- a/board/ti/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) -{ - static const char cpu_2420 [] = "2420"; /* cpu type */ - static const char cpu_2422 [] = "2422"; - static const char cpu_2423 [] = "2423"; - static const char db_men [] = "Menelaus"; /* board type */ - static const char db_ip [] = "IP"; - static const char mem_sdr [] = "mSDR"; /* memory type */ - static const char mem_ddr [] = "mDDR"; - static const char t_tst [] = "TST"; /* security level */ - static const char t_emu [] = "EMU"; - static const char t_hs [] = "HS"; - static const char t_gp [] = "GP"; - static const char unk [] = "?"; - - const 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); -} |