ARM DaVinci: Move common functions to board/davinci/common. Signed-off-by: Hugo Villeneuve <hugo.villeneuve@lyrtech.com>master
Hugo Villeneuve
17 years ago
committed by
Jean-Christophe PLAGNIOL-VILLARD
parent
33aa4eac66
commit
264bbdd11d
@ -0,0 +1,53 @@ |
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#
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# (C) Copyright 2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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ifneq ($(OBJTREE),$(SRCTREE)) |
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$(shell mkdir -p $(obj)board/$(VENDOR)/common) |
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endif |
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LIB = $(obj)lib$(VENDOR).a
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COBJS := psc.o misc.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS) |
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$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
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clean: |
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rm -f $(SOBJS) $(OBJS)
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distclean: clean |
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rm -f $(LIB) core *.bak $(obj).depend
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#########################################################################
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# This is for $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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@ -0,0 +1,126 @@ |
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/*
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* Miscelaneous DaVinci functions. |
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* |
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> |
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* Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
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* Copyright (C) 2004 Texas Instruments. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <common.h> |
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#include <i2c.h> |
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#include <asm/arch/hardware.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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int dram_init(void) |
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{ |
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gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
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return(0); |
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} |
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static int dv_get_pllm_output(uint32_t pllm) |
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{ |
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return (pllm + 1) * (CFG_HZ_CLOCK / 1000000); |
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} |
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void dv_display_clk_infos(void) |
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{ |
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printf("ARM Clock: %dMHz\n", dv_get_pllm_output(REG(PLL1_PLLM)) / 2); |
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printf("DDR Clock: %dMHz\n", dv_get_pllm_output(REG(PLL2_PLLM)) / |
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((REG(PLL2_DIV2) & 0x1f) + 1) / 2); |
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} |
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/* Read ethernet MAC address from EEPROM for DVEVM compatible boards.
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* Returns 1 if found, 0 otherwise. |
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*/ |
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int dvevm_read_mac_address(uint8_t *buf) |
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{ |
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#ifdef CFG_I2C_EEPROM_ADDR |
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/* Read MAC address. */ |
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if (i2c_read(CFG_I2C_EEPROM_ADDR, 0x7F00, CFG_I2C_EEPROM_ADDR_LEN, |
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(uint8_t *) &buf[0], 6)) |
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goto i2cerr; |
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/* Check that MAC address is not null. */ |
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if (memcmp(buf, "\0\0\0\0\0\0", 6) == 0) |
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goto err; |
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return 1; /* Found */ |
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i2cerr: |
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printf("Read from EEPROM @ 0x%02x failed\n", CFG_I2C_EEPROM_ADDR); |
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err: |
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#endif /* CFG_I2C_EEPROM_ADDR */ |
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return 0; |
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} |
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/* If there is a MAC address in the environment, and if it is not identical to
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* the MAC address in the ROM, then a warning is printed and the MAC address |
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* from the environment is used. |
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* |
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* If there is no MAC address in the environment, then it will be initialized |
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* (silently) from the value in the ROM. |
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*/ |
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void dv_configure_mac_address(uint8_t *rom_enetaddr) |
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{ |
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int i; |
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u_int8_t env_enetaddr[6]; |
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char *tmp = getenv("ethaddr"); |
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char *end; |
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/* Read Ethernet MAC address from the U-Boot environment.
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* If it is not defined, env_enetaddr[] will be cleared. */ |
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for (i = 0; i < 6; i++) { |
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env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; |
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if (tmp) |
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tmp = (*end) ? end+1 : end; |
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} |
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/* Check if ROM and U-Boot environment MAC addresses match. */ |
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if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6) != 0 && |
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memcmp(env_enetaddr, rom_enetaddr, 6) != 0) { |
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printf("Warning: MAC addresses don't match:\n"); |
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printf(" ROM MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n", |
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rom_enetaddr[0], rom_enetaddr[1], |
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rom_enetaddr[2], rom_enetaddr[3], |
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rom_enetaddr[4], rom_enetaddr[5]); |
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printf(" \"ethaddr\" value: %02X:%02X:%02X:%02X:%02X:%02X\n", |
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env_enetaddr[0], env_enetaddr[1], |
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env_enetaddr[2], env_enetaddr[3], |
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env_enetaddr[4], env_enetaddr[5]) ; |
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debug("### Using MAC address from environment\n"); |
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} |
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if (!tmp) { |
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char ethaddr[20]; |
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/* There is no MAC address in the environment, so we initialize
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* it from the value in the ROM. */ |
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sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X", |
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rom_enetaddr[0], rom_enetaddr[1], |
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rom_enetaddr[2], rom_enetaddr[3], |
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rom_enetaddr[4], rom_enetaddr[5]) ; |
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debug("### Setting environment from ROM MAC address = \"%s\"\n", |
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ethaddr); |
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setenv("ethaddr", ethaddr); |
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} |
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} |
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@ -0,0 +1,32 @@ |
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/*
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* Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __MISC_H |
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#define __MISC_H |
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extern void timer_init(void); |
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extern int eth_hw_init(void); |
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void dv_display_clk_infos(void); |
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int dvevm_read_mac_address(uint8_t *buf); |
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void dv_configure_mac_address(uint8_t *rom_enetaddr); |
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#endif /* __MISC_H */ |
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@ -0,0 +1,117 @@ |
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/*
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* Power and Sleep Controller (PSC) functions. |
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* |
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> |
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* Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
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* Copyright (C) 2004 Texas Instruments. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <common.h> |
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#include <asm/arch/hardware.h> |
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/*
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* The DM6446 includes two separate power domains: "Always On" and "DSP". The |
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* "Always On" power domain is always on when the chip is on. The "Always On" |
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* domain is powered by the VDD pins of the DM6446. The majority of the |
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* DM6446's modules lie within the "Always On" power domain. A separate |
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* domain called the "DSP" domain houses the C64x+ and VICP. The "DSP" domain |
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* is not always on. The "DSP" power domain is powered by the CVDDDSP pins of |
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* the DM6446. |
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*/ |
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/* Works on Always On power domain only (no PD argument) */ |
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void lpsc_on(unsigned int id) |
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{ |
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dv_reg_p mdstat, mdctl; |
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if (id >= DAVINCI_LPSC_GEM) |
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return; /* Don't work on DSP Power Domain */ |
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mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4)); |
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mdctl = REG_P(PSC_MDCTL_BASE + (id * 4)); |
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while (REG(PSC_PTSTAT) & 0x01); |
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if ((*mdstat & 0x1f) == 0x03) |
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return; /* Already on and enabled */ |
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*mdctl |= 0x03; |
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/* Special treatment for some modules as for sprue14 p.7.4.2 */ |
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switch (id) { |
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case DAVINCI_LPSC_VPSSSLV: |
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case DAVINCI_LPSC_EMAC: |
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case DAVINCI_LPSC_EMAC_WRAPPER: |
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case DAVINCI_LPSC_MDIO: |
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case DAVINCI_LPSC_USB: |
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case DAVINCI_LPSC_ATA: |
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case DAVINCI_LPSC_VLYNQ: |
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case DAVINCI_LPSC_UHPI: |
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case DAVINCI_LPSC_DDR_EMIF: |
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case DAVINCI_LPSC_AEMIF: |
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case DAVINCI_LPSC_MMC_SD: |
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case DAVINCI_LPSC_MEMSTICK: |
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case DAVINCI_LPSC_McBSP: |
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case DAVINCI_LPSC_GPIO: |
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*mdctl |= 0x200; |
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break; |
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} |
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REG(PSC_PTCMD) = 0x01; |
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while (REG(PSC_PTSTAT) & 0x03); |
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while ((*mdstat & 0x1f) != 0x03); /* Probably an overkill... */ |
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} |
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/* If DSPLINK is used, we don't want U-Boot to power on the DSP. */ |
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#if !defined(CFG_USE_DSPLINK) |
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void dsp_on(void) |
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{ |
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int i; |
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if (REG(PSC_PDSTAT1) & 0x1f) |
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return; /* Already on */ |
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REG(PSC_GBLCTL) |= 0x01; |
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REG(PSC_PDCTL1) |= 0x01; |
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REG(PSC_PDCTL1) &= ~0x100; |
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REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03; |
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REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff; |
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REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03; |
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REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff; |
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REG(PSC_PTCMD) = 0x02; |
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for (i = 0; i < 100; i++) { |
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if (REG(PSC_EPCPR) & 0x02) |
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break; |
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} |
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REG(PSC_CHP_SHRTSW) = 0x01; |
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REG(PSC_PDCTL1) |= 0x100; |
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REG(PSC_EPCCR) = 0x02; |
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for (i = 0; i < 100; i++) { |
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if (!(REG(PSC_PTSTAT) & 0x02)) |
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break; |
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} |
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REG(PSC_GBLCTL) &= ~0x1f; |
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} |
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#endif /* CFG_USE_DSPLINK */ |
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@ -0,0 +1,28 @@ |
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/*
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* Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#ifndef __PSC_H |
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#define __PSC_H |
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void lpsc_on(unsigned int id); |
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void dsp_on(void); |
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#endif /* __PSC_H */ |
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