diff options
26 files changed, 260 insertions, 2842 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index f8edfbe5faed..5f09d9349322 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -473,6 +473,61 @@ config MEM_MT46V32M16_5B bool "MT46V32M16_5B" endchoice +choice + prompt "DDR/SDRAM Timing" + depends on BFIN_KERNEL_CLOCK + default BFIN_KERNEL_CLOCK_MEMINIT_CALC + help + This option allows you to specify Blackfin SDRAM/DDR Timing parameters + The calculated SDRAM timing parameters may not be 100% + accurate - This option is therefore marked experimental. + +config BFIN_KERNEL_CLOCK_MEMINIT_CALC + bool "Calculate Timings (EXPERIMENTAL)" + depends on EXPERIMENTAL + +config BFIN_KERNEL_CLOCK_MEMINIT_SPEC + bool "Provide accurate Timings based on target SCLK" + help + Please consult the Blackfin Hardware Reference Manuals as well + as the memory device datasheet. + http://docs.blackfin.uclinux.org/doku.php?id=bfin:sdram +endchoice + +menu "Memory Init Control" + depends on BFIN_KERNEL_CLOCK_MEMINIT_SPEC + +config MEM_DDRCTL0 + depends on BF54x + hex "DDRCTL0" + default 0x0 + +config MEM_DDRCTL1 + depends on BF54x + hex "DDRCTL1" + default 0x0 + +config MEM_DDRCTL2 + depends on BF54x + hex "DDRCTL2" + default 0x0 + +config MEM_EBIU_DDRQUE + depends on BF54x + hex "DDRQUE" + default 0x0 + +config MEM_SDRRC + depends on !BF54x + hex "SDRRC" + default 0x0 + +config MEM_SDGCTL + depends on !BF54x + hex "SDGCTL" + default 0x0 +endmenu + config MAX_MEM_SIZE int "Max SDRAM Memory Size in MBytes" depends on !MPU @@ -1104,13 +1159,13 @@ config BFIN_CPU_FREQ config CPU_VOLTAGE bool "CPU Voltage scaling" - depends on EXPERIMENTAL + depends on EXPERIMENTAL depends on CPU_FREQ default n help Say Y here if you want CPU voltage scaling according to the CPU frequency. This option violates the PLL BYPASS recommendation in the Blackfin Processor - manuals. There is a theoretical risk that during VDDINT transitions + manuals. There is a theoretical risk that during VDDINT transitions the PLL may unlock. endmenu diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile index 2faad124db59..558241e5ccc3 100644 --- a/arch/blackfin/Makefile +++ b/arch/blackfin/Makefile @@ -91,7 +91,7 @@ KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y) CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }') CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -Dl1_text=__used__ -head-y := arch/$(ARCH)/mach-$(MACHINE)/head.o arch/$(ARCH)/kernel/init_task.o +head-y := arch/$(ARCH)/kernel/init_task.o core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/ diff --git a/arch/blackfin/mach-bf518/include/mach/mem_init.h b/arch/blackfin/include/asm/mem_init.h index 2f4f4092fb54..3cbc0f81ebf3 100644 --- a/arch/blackfin/mach-bf518/include/mach/mem_init.h +++ b/arch/blackfin/include/asm/mem_init.h @@ -1,35 +1,19 @@ /* - * File: include/asm-blackfin/mach-bf518/mem_init.h - * Based on: - * Author: + * arch/blackfin/include/asm/mem_init.h - reprogram clocks / memory * - * Created: - * Description: + * Copyright 2004-2008 Analog Devices Inc. * - * Rev: - * - * Modified: - * Copyright 2004-2007 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL-2 or later. */ -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_MT48LC16M8A2TG_75 || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC32M8A2_75 || CONFIG_MEM_MT48LC32M16A2TG_75) +#if defined(EBIU_SDGCTL) +#if defined(CONFIG_MEM_MT48LC16M16A2TG_75) || \ + defined(CONFIG_MEM_MT48LC64M4A2FB_7E) || \ + defined(CONFIG_MEM_MT48LC16M8A2TG_75) || \ + defined(CONFIG_MEM_GENERIC_BOARD) || \ + defined(CONFIG_MEM_MT48LC32M8A2_75) || \ + defined(CONFIG_MEM_MT48LC8M32B2B5_7) || \ + defined(CONFIG_MEM_MT48LC32M16A2TG_75) #if (CONFIG_SCLK_HZ > 119402985) #define SDRAM_tRP TRP_2 #define SDRAM_tRP_num 2 @@ -104,53 +88,113 @@ #endif #endif -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC16M8A2TG_75) +#if defined(CONFIG_MEM_MT48LC16M8A2TG_75) || \ + defined(CONFIG_MEM_MT48LC8M32B2B5_7) /*SDRAM INFORMATION: */ #define SDRAM_Tref 64 /* Refresh period in milliseconds */ #define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */ #define SDRAM_CL CL_3 #endif -#if (CONFIG_MEM_MT48LC32M8A2_75) +#if defined(CONFIG_MEM_MT48LC32M8A2_75) || \ + defined(CONFIG_MEM_MT48LC64M4A2FB_7E) || \ + defined(CONFIG_MEM_GENERIC_BOARD) || \ + defined(CONFIG_MEM_MT48LC32M16A2TG_75) || \ + defined(CONFIG_MEM_MT48LC16M16A2TG_75) /*SDRAM INFORMATION: */ #define SDRAM_Tref 64 /* Refresh period in milliseconds */ #define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ #define SDRAM_CL CL_3 #endif -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 + +#ifdef CONFIG_BFIN_KERNEL_CLOCK_MEMINIT_CALC +/* Equation from section 17 (p17-46) of BF533 HRM */ +#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) + +/* Enable SCLK Out */ +#define mem_SDGCTL (0x80000000 | SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) +#else +#define mem_SDRRC CONFIG_MEM_SDRRC +#define mem_SDGCTL CONFIG_MEM_SDGCTL +#endif #endif -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 + +#if defined(EBIU_DDRCTL0) +#define MIN_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000 + 1) +#define MAX_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000) +#define DDR_CLK_HZ(x) (1000*1000*1000/x) + +#if defined(CONFIG_MEM_MT46V32M16_6T) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(60)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(42)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(72)) +#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(1) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(12)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) #endif -#if (CONFIG_MEM_MT48LC32M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 +#if defined(CONFIG_MEM_MT46V32M16_5B) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 + +#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(55)) +#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(40)) +#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) +#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(70)) +#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) + +#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(10)) +#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) #endif -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) +#if defined(CONFIG_MEM_GENERIC_BOARD) +#define DDR_SIZE DEVSZ_512 +#define DDR_WIDTH DEVWD_16 +#define DDR_MAX_tCK 13 -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) +#define DDR_tRCD DDR_TRCD(3) +#define DDR_tWTR DDR_TWTR(2) +#define DDR_tWR DDR_TWR(2) +#define DDR_tMRD DDR_TMRD(2) +#define DDR_tRP DDR_TRP(3) +#define DDR_tRAS DDR_TRAS(7) +#define DDR_tRC DDR_TRC(10) +#define DDR_tRFC DDR_TRFC(12) +#define DDR_tREFI DDR_TREFI(1288) +#endif + +#if (CONFIG_SCLK_HZ < DDR_CLK_HZ(DDR_MAX_tCK)) +# error "CONFIG_SCLK_HZ is too small (<DDR_CLK_HZ(DDR_MAX_tCK) Hz)." +#elif(CONFIG_SCLK_HZ <= 133333333) +# define DDR_CL CL_2 +#else +# error "CONFIG_SCLK_HZ is too large (>133333333 Hz)." +#endif + +#ifdef CONFIG_BFIN_KERNEL_CLOCK_MEMINIT_CALC +#define mem_DDRCTL0 (DDR_tRP | DDR_tRAS | DDR_tRC | DDR_tRFC | DDR_tREFI) +#define mem_DDRCTL1 (DDR_DATWIDTH | EXTBANK_1 | DDR_SIZE | DDR_WIDTH | DDR_tWTR \ + | DDR_tMRD | DDR_tWR | DDR_tRCD) +#define mem_DDRCTL2 DDR_CL +#else +#define mem_DDRCTL0 CONFIG_MEM_DDRCTL0 +#define mem_DDRCTL1 CONFIG_MEM_DDRCTL1 +#define mem_DDRCTL2 CONFIG_MEM_DDRCTL2 +#endif +#endif #if defined CONFIG_CLKIN_HALF #define CLKIN_HALF 1 @@ -165,6 +209,13 @@ #endif /***************************************Currently Not Being Used *********************************/ + +#if defined(CONFIG_FLASH_SPEED_BWAT) && \ +defined(CONFIG_FLASH_SPEED_BRAT) && \ +defined(CONFIG_FLASH_SPEED_BHT) && \ +defined(CONFIG_FLASH_SPEED_BST) && \ +defined(CONFIG_FLASH_SPEED_BTT) + #define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 #define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 #define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) @@ -308,3 +359,4 @@ #define flash_EBIU_AMBCTL0 \ (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) +#endif diff --git a/arch/blackfin/mach-bf518/Makefile b/arch/blackfin/mach-bf518/Makefile index 9d5e16d07b5e..168a193f9f9a 100644 --- a/arch/blackfin/mach-bf518/Makefile +++ b/arch/blackfin/mach-bf518/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf518/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf518/head.S b/arch/blackfin/mach-bf518/head.S deleted file mode 100644 index 771bf7e477ff..000000000000 --- a/arch/blackfin/mach-bf518/head.S +++ /dev/null @@ -1,146 +0,0 @@ -/* - * File: arch/blackfin/mach-bf518/head.S - * Based on: arch/blackfin/mach-bf527/head.S - * Author: Bryan Wu <cooloney@kernel.org> - * - * Created: 2008 - * Description: Startup code for Blackfin BF51x - * - * Modified: - * Copyright 2004-2008 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/mach-common/clocks.h> -#include <asm/mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - - /* Enable PHY CLK buffer output */ - p0.h = hi(VR_CTL); - p0.l = lo(VR_CTL); - r0.l = w[p0]; - bitset(r0, 14); - w[p0] = r0.l; - ssync; - - p0.h = hi(SIC_IWR0); - p0.l = lo(SIC_IWR0); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - ssync; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - ssync; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf527/Makefile b/arch/blackfin/mach-bf527/Makefile index 4eddb580319c..4a6cdafab8ce 100644 --- a/arch/blackfin/mach-bf527/Makefile +++ b/arch/blackfin/mach-bf527/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf527/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S deleted file mode 100644 index 0eb1da85db73..000000000000 --- a/arch/blackfin/mach-bf527/head.S +++ /dev/null @@ -1,146 +0,0 @@ -/* - * File: arch/blackfin/mach-bf527/head.S - * Based on: arch/blackfin/mach-bf533/head.S - * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne - * - * Created: 1998 - * Description: Startup code for Blackfin BF537 - * - * Modified: - * Copyright 2004-2007 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/clocks.h> -#include <mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - - /* Enable PHY CLK buffer output */ - p0.h = hi(VR_CTL); - p0.l = lo(VR_CTL); - r0.l = w[p0]; - bitset(r0, 14); - w[p0] = r0.l; - ssync; - - p0.h = hi(SIC_IWR0); - p0.l = lo(SIC_IWR0); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - SSYNC; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf527/include/mach/mem_init.h b/arch/blackfin/mach-bf527/include/mach/mem_init.h deleted file mode 100644 index cbe03f4a5698..000000000000 --- a/arch/blackfin/mach-bf527/include/mach/mem_init.h +++ /dev/null @@ -1,310 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf527/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * Copyright 2004-2007 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_MT48LC16M8A2TG_75 || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC32M8A2_75 || CONFIG_MEM_MT48LC32M16A2TG_75) -#if (CONFIG_SCLK_HZ > 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_7 -#define SDRAM_tRAS_num 7 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_6 -#define SDRAM_tRAS_num 6 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_5 -#define SDRAM_tRAS_num 5 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 4 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_2 -#define SDRAM_tRAS_num 2 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ <= 29850746) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_1 -#define SDRAM_tRAS_num 1 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#endif - -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC16M8A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC32M8A2_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC32M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) - -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) -#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-bf533/Makefile b/arch/blackfin/mach-bf533/Makefile index aa9f2647ee0c..874840f76028 100644 --- a/arch/blackfin/mach-bf533/Makefile +++ b/arch/blackfin/mach-bf533/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf533/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S deleted file mode 100644 index 9fc95aaca439..000000000000 --- a/arch/blackfin/mach-bf533/head.S +++ /dev/null @@ -1,137 +0,0 @@ -/* - * File: arch/blackfin/mach-bf533/head.S - * Based on: - * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne - * - * Created: 1998 - * Description: bf533 startup file - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/clocks.h> -#include <mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - p0.h = hi(SIC_IWR); - p0.l = lo(SIC_IWR); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - SSYNC; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf533/include/mach/mem_init.h b/arch/blackfin/mach-bf533/include/mach/mem_init.h deleted file mode 100644 index ed2034bf10ec..000000000000 --- a/arch/blackfin/mach-bf533/include/mach/mem_init.h +++ /dev/null @@ -1,297 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf533/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || \ - CONFIG_MEM_MT48LC32M16A2TG_75 || CONFIG_MEM_GENERIC_BOARD) -#if (CONFIG_SCLK_HZ > 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_7 -#define SDRAM_tRAS_num 7 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_6 -#define SDRAM_tRAS_num 6 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_5 -#define SDRAM_tRAS_num 5 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 4 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_2 -#define SDRAM_tRAS_num 2 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ <= 29850746) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_1 -#define SDRAM_tRAS_num 1 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#endif - -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC32M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) - -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) -#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-bf537/Makefile b/arch/blackfin/mach-bf537/Makefile index 68e5478e95a9..56994b675f9c 100644 --- a/arch/blackfin/mach-bf537/Makefile +++ b/arch/blackfin/mach-bf537/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf537/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S deleted file mode 100644 index f5c94bf80e3b..000000000000 --- a/arch/blackfin/mach-bf537/head.S +++ /dev/null @@ -1,146 +0,0 @@ -/* - * File: arch/blackfin/mach-bf537/head.S - * Based on: arch/blackfin/mach-bf533/head.S - * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne - * - * Created: 1998 - * Description: Startup code for Blackfin BF537 - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/clocks.h> -#include <mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - - /* Enable PHY CLK buffer output */ - p0.h = hi(VR_CTL); - p0.l = lo(VR_CTL); - r0.l = w[p0]; - bitset(r0, 14); - w[p0] = r0.l; - ssync; - - p0.h = hi(SIC_IWR); - p0.l = lo(SIC_IWR); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - SSYNC; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf537/include/mach/mem_init.h b/arch/blackfin/mach-bf537/include/mach/mem_init.h deleted file mode 100644 index f67698f670ca..000000000000 --- a/arch/blackfin/mach-bf537/include/mach/mem_init.h +++ /dev/null @@ -1,303 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf537/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_MT48LC16M8A2TG_75 || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC32M8A2_75) -#if (CONFIG_SCLK_HZ > 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_7 -#define SDRAM_tRAS_num 7 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_6 -#define SDRAM_tRAS_num 6 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_5 -#define SDRAM_tRAS_num 5 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 4 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_2 -#define SDRAM_tRAS_num 2 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ <= 29850746) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_1 -#define SDRAM_tRAS_num 1 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#endif - -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC16M8A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC32M8A2_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) - -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) -#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-bf538/Makefile b/arch/blackfin/mach-bf538/Makefile index 1f093c4f7235..8cd2719684db 100644 --- a/arch/blackfin/mach-bf538/Makefile +++ b/arch/blackfin/mach-bf538/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf538/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf538/head.S b/arch/blackfin/mach-bf538/head.S deleted file mode 100644 index 39013ec97008..000000000000 --- a/arch/blackfin/mach-bf538/head.S +++ /dev/null @@ -1,137 +0,0 @@ -/* - * File: arch/blackfin/mach-bf538/head.S - * Based on: - * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne - * - * Created: 1998 - * Description: bf533 startup file - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/mach-common/clocks.h> -#include <asm/mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - p0.h = hi(SIC_IWR0); - p0.l = lo(SIC_IWR0); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - SSYNC; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf538/include/mach/mem_init.h b/arch/blackfin/mach-bf538/include/mach/mem_init.h deleted file mode 100644 index d3961ba997c6..000000000000 --- a/arch/blackfin/mach-bf538/include/mach/mem_init.h +++ /dev/null @@ -1,303 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf538/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_MT48LC16M8A2TG_75 || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC32M8A2_75) -#if (CONFIG_SCLK_HZ > 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_7 -#define SDRAM_tRAS_num 7 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_6 -#define SDRAM_tRAS_num 6 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_5 -#define SDRAM_tRAS_num 5 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 4 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_2 -#define SDRAM_tRAS_num 2 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ <= 29850746) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_1 -#define SDRAM_tRAS_num 1 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#endif - -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC16M8A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC32M8A2_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC ((((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)) - -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT (((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1) -#define flash_EBIU_AMBCTL_RAT (((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1) -#define flash_EBIU_AMBCTL_HT (((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))) -#define flash_EBIU_AMBCTL_ST (((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1) -#define flash_EBIU_AMBCTL_TT (((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1) - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-bf548/Makefile b/arch/blackfin/mach-bf548/Makefile index 68e5478e95a9..56994b675f9c 100644 --- a/arch/blackfin/mach-bf548/Makefile +++ b/arch/blackfin/mach-bf548/Makefile @@ -2,6 +2,4 @@ # arch/blackfin/mach-bf537/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S deleted file mode 100644 index 93b361dff27b..000000000000 --- a/arch/blackfin/mach-bf548/head.S +++ /dev/null @@ -1,158 +0,0 @@ -/* - * File: arch/blackfin/mach-bf548/head.S - * Based on: arch/blackfin/mach-bf537/head.S - * Author: Jeff Dionne <jeff@uclinux.org> COPYRIGHT 1998 D. Jeff Dionne - * - * Created: 1998 - * Description: Startup code for Blackfin BF548 - * - * Modified: - * Copyright 2004-2007 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/clocks.h> -#include <mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - - /* Enable PHY CLK buffer output */ - p0.h = hi(VR_CTL); - p0.l = lo(VR_CTL); - r0.l = w[p0]; - bitset(r0, 14); - w[p0] = r0.l; - ssync; - - p0.h = hi(SIC_IWR0); - p0.l = lo(SIC_IWR0); - r0.l = 0x1; - r0.h = 0x0; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - /* enable self refresh via SRREQ */ - P2.H = hi(EBIU_RSTCTL); - P2.L = lo(EBIU_RSTCTL); - R0 = [P2]; - BITSET (R0, 3); - [P2] = R0; - SSYNC; - - /* wait for SRACK bit to be set */ -.LSRR_MODE: - R0 = [P2]; - CC = BITTST(R0, 4); - if !CC JUMP .LSRR_MODE; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - /* disable self refresh by clearing SRREQ */ - P2.H = hi(EBIU_RSTCTL); - P2.L = lo(EBIU_RSTCTL); - R0 = [P2]; - CC = BITTST(R0, 0); - if CC jump .Lskipddrrst; - BITSET (R0, 0); -.Lskipddrrst: - BITCLR (R0, 3); - [P2] = R0; - SSYNC; - - p0.l = lo(EBIU_DDRCTL0); - p0.h = hi(EBIU_DDRCTL0); - r0.l = lo(mem_DDRCTL0); - r0.h = hi(mem_DDRCTL0); - [p0] = r0; - ssync; - - p0.l = lo(EBIU_DDRCTL1); - p0.h = hi(EBIU_DDRCTL1); - r0.l = lo(mem_DDRCTL1); - r0.h = hi(mem_DDRCTL1); - [p0] = r0; - ssync; - - p0.l = lo(EBIU_DDRCTL2); - p0.h = hi(EBIU_DDRCTL2); - r0.l = lo(mem_DDRCTL2); - r0.h = hi(mem_DDRCTL2); - [p0] = r0; - ssync; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf548/include/mach/mem_init.h b/arch/blackfin/mach-bf548/include/mach/mem_init.h deleted file mode 100644 index ab0b863eee66..000000000000 --- a/arch/blackfin/mach-bf548/include/mach/mem_init.h +++ /dev/null @@ -1,255 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf548/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#define MIN_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000 + 1) -#define MAX_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000) -#define DDR_CLK_HZ(x) (1000*1000*1000/x) - -#if (CONFIG_MEM_MT46V32M16_6T) -#define DDR_SIZE DEVSZ_512 -#define DDR_WIDTH DEVWD_16 -#define DDR_MAX_tCK 13 - -#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(60)) -#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(42)) -#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) -#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(72)) -#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) - -#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) -#define DDR_tWTR DDR_TWTR(1) -#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(12)) -#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) -#endif - -#if (CONFIG_MEM_MT46V32M16_5B) -#define DDR_SIZE DEVSZ_512 -#define DDR_WIDTH DEVWD_16 -#define DDR_MAX_tCK 13 - -#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(55)) -#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(40)) -#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15)) -#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(70)) -#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800)) - -#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15)) -#define DDR_tWTR DDR_TWTR(2) -#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(10)) -#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15)) -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) -#define DDR_SIZE DEVSZ_512 -#define DDR_WIDTH DEVWD_16 -#define DDR_MAX_tCK 13 - -#define DDR_tRCD DDR_TRCD(3) -#define DDR_tWTR DDR_TWTR(2) -#define DDR_tWR DDR_TWR(2) -#define DDR_tMRD DDR_TMRD(2) -#define DDR_tRP DDR_TRP(3) -#define DDR_tRAS DDR_TRAS(7) -#define DDR_tRC DDR_TRC(10) -#define DDR_tRFC DDR_TRFC(12) -#define DDR_tREFI DDR_TREFI(1288) -#endif - -#if (CONFIG_SCLK_HZ < DDR_CLK_HZ(DDR_MAX_tCK)) -# error "CONFIG_SCLK_HZ is too small (<DDR_CLK_HZ(DDR_MAX_tCK) Hz)." -#elif(CONFIG_SCLK_HZ <= 133333333) -# define DDR_CL CL_2 -#else -# error "CONFIG_SCLK_HZ is too large (>133333333 Hz)." -#endif - - -#define mem_DDRCTL0 (DDR_tRP | DDR_tRAS | DDR_tRC | DDR_tRFC | DDR_tREFI) -#define mem_DDRCTL1 (DDR_DATWIDTH | EXTBANK_1 | DDR_SIZE | DDR_WIDTH | DDR_tWTR \ - | DDR_tMRD | DDR_tWR | DDR_tRCD) -#define mem_DDRCTL2 DDR_CL - - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) -#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-bf561/Makefile b/arch/blackfin/mach-bf561/Makefile index c37f00c0edb5..59e18afe28c6 100644 --- a/arch/blackfin/mach-bf561/Makefile +++ b/arch/blackfin/mach-bf561/Makefile @@ -2,8 +2,6 @@ # arch/blackfin/mach-bf561/Makefile # -extra-y := head.o - obj-y := ints-priority.o dma.o obj-$(CONFIG_BF561_COREB) += coreb.o diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S deleted file mode 100644 index 31a777a9e699..000000000000 --- a/arch/blackfin/mach-bf561/head.S +++ /dev/null @@ -1,136 +0,0 @@ -/* - * File: arch/blackfin/mach-bf561/head.S - * Based on: arch/blackfin/mach-bf533/head.S - * Author: - * - * Created: - * Description: BF561 startup file - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/blackfin.h> -#ifdef CONFIG_BFIN_KERNEL_CLOCK -#include <asm/clocks.h> -#include <mach/mem_init.h> -#endif - -.section .l1.text -#ifdef CONFIG_BFIN_KERNEL_CLOCK -ENTRY(_start_dma_code) - p0.h = hi(SICA_IWR0); - p0.l = lo(SICA_IWR0); - r0.l = 0x1; - [p0] = r0; - SSYNC; - - /* - * Set PLL_CTL - * - [14:09] = MSEL[5:0] : CLKIN / VCO multiplication factors - * - [8] = BYPASS : BYPASS the PLL, run CLKIN into CCLK/SCLK - * - [7] = output delay (add 200ps of delay to mem signals) - * - [6] = input delay (add 200ps of input delay to mem signals) - * - [5] = PDWN : 1=All Clocks off - * - [3] = STOPCK : 1=Core Clock off - * - [1] = PLL_OFF : 1=Disable Power to PLL - * - [0] = DF : 1=Pass CLKIN/2 to PLL / 0=Pass CLKIN to PLL - * all other bits set to zero - */ - - p0.h = hi(PLL_LOCKCNT); - p0.l = lo(PLL_LOCKCNT); - r0 = 0x300(Z); - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); - [P2] = R0; - SSYNC; - - r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ - r0 = r0 << 9; /* Shift it over, */ - r1 = CLKIN_HALF; /* Do we need to divide CLKIN by 2?*/ - r0 = r1 | r0; - r1 = PLL_BYPASS; /* Bypass the PLL? */ - r1 = r1 << 8; /* Shift it over */ - r0 = r1 | r0; /* add them all together */ -#ifdef ANOMALY_05000265 - BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ -#endif - - p0.h = hi(PLL_CTL); - p0.l = lo(PLL_CTL); /* Load the address */ - cli r2; /* Disable interrupts */ - ssync; - w[p0] = r0.l; /* Set the value */ - idle; /* Wait for the PLL to stablize */ - sti r2; /* Enable interrupts */ - -.Lcheck_again: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again; - - /* Configure SCLK & CCLK Dividers */ - r0 = (CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); - p0.h = hi(PLL_DIV); - p0.l = lo(PLL_DIV); - w[p0] = r0.l; - ssync; - - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; - - RTS; -ENDPROC(_start_dma_code) -#endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf561/include/mach/mem_init.h b/arch/blackfin/mach-bf561/include/mach/mem_init.h deleted file mode 100644 index e163260bca18..000000000000 --- a/arch/blackfin/mach-bf561/include/mach/mem_init.h +++ /dev/null @@ -1,295 +0,0 @@ -/* - * File: include/asm-blackfin/mach-bf561/mem_init.h - * Based on: - * Author: - * - * Created: - * Description: - * - * Rev: - * - * Modified: - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC8M32B2B5_7) -#if (CONFIG_SCLK_HZ > 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_7 -#define SDRAM_tRAS_num 7 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_6 -#define SDRAM_tRAS_num 6 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_5 -#define SDRAM_tRAS_num 5 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 4 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866) -#define SDRAM_tRP TRP_2 -#define SDRAM_tRP_num 2 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_2 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_4 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_3 -#define SDRAM_tRAS_num 3 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_2 -#define SDRAM_tRAS_num 2 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#if (CONFIG_SCLK_HZ <= 29850746) -#define SDRAM_tRP TRP_1 -#define SDRAM_tRP_num 1 -#define SDRAM_tRAS TRAS_1 -#define SDRAM_tRAS_num 1 -#define SDRAM_tRCD TRCD_1 -#define SDRAM_tWR TWR_2 -#endif -#endif - -#if (CONFIG_MEM_MT48LC16M16A2TG_75) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC64M4A2FB_7E) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_MT48LC8M32B2B5_7) - /*SDRAM INFORMATION: */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -#if (CONFIG_MEM_GENERIC_BOARD) - /*SDRAM INFORMATION: Modify this for your board */ -#define SDRAM_Tref 64 /* Refresh period in milliseconds */ -#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ -#define SDRAM_CL CL_3 -#endif - -/* Equation from section 17 (p17-46) of BF533 HRM */ -#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) - -/* Enable SCLK Out */ -#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS) - -#if defined CONFIG_CLKIN_HALF -#define CLKIN_HALF 1 -#else -#define CLKIN_HALF 0 -#endif - -#if defined CONFIG_PLL_BYPASS -#define PLL_BYPASS 1 -#else -#define PLL_BYPASS 0 -#endif - -/***************************************Currently Not Being Used *********************************/ -#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ)) -#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 -#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1 - -#if (flash_EBIU_AMBCTL_TT > 3) -#define flash_EBIU_AMBCTL0_TT B0TT_4 -#endif -#if (flash_EBIU_AMBCTL_TT == 3) -#define flash_EBIU_AMBCTL0_TT B0TT_3 -#endif -#if (flash_EBIU_AMBCTL_TT == 2) -#define flash_EBIU_AMBCTL0_TT B0TT_2 -#endif -#if (flash_EBIU_AMBCTL_TT < 2) -#define flash_EBIU_AMBCTL0_TT B0TT_1 -#endif - -#if (flash_EBIU_AMBCTL_ST > 3) -#define flash_EBIU_AMBCTL0_ST B0ST_4 -#endif -#if (flash_EBIU_AMBCTL_ST == 3) -#define flash_EBIU_AMBCTL0_ST B0ST_3 -#endif -#if (flash_EBIU_AMBCTL_ST == 2) -#define flash_EBIU_AMBCTL0_ST B0ST_2 -#endif -#if (flash_EBIU_AMBCTL_ST < 2) -#define flash_EBIU_AMBCTL0_ST B0ST_1 -#endif - -#if (flash_EBIU_AMBCTL_HT > 2) -#define flash_EBIU_AMBCTL0_HT B0HT_3 -#endif -#if (flash_EBIU_AMBCTL_HT == 2) -#define flash_EBIU_AMBCTL0_HT B0HT_2 -#endif -#if (flash_EBIU_AMBCTL_HT == 1) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) -#define flash_EBIU_AMBCTL0_HT B0HT_0 -#endif -#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) -#define flash_EBIU_AMBCTL0_HT B0HT_1 -#endif - -#if (flash_EBIU_AMBCTL_WAT > 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_15 -#endif -#if (flash_EBIU_AMBCTL_WAT == 14) -#define flash_EBIU_AMBCTL0_WAT B0WAT_14 -#endif -#if (flash_EBIU_AMBCTL_WAT == 13) -#define flash_EBIU_AMBCTL0_WAT B0WAT_13 -#endif -#if (flash_EBIU_AMBCTL_WAT == 12) -#define flash_EBIU_AMBCTL0_WAT B0WAT_12 -#endif -#if (flash_EBIU_AMBCTL_WAT == 11) -#define flash_EBIU_AMBCTL0_WAT B0WAT_11 -#endif -#if (flash_EBIU_AMBCTL_WAT == 10) -#define flash_EBIU_AMBCTL0_WAT B0WAT_10 -#endif -#if (flash_EBIU_AMBCTL_WAT == 9) -#define flash_EBIU_AMBCTL0_WAT B0WAT_9 -#endif -#if (flash_EBIU_AMBCTL_WAT == 8) -#define flash_EBIU_AMBCTL0_WAT B0WAT_8 -#endif -#if (flash_EBIU_AMBCTL_WAT == 7) -#define flash_EBIU_AMBCTL0_WAT B0WAT_7 -#endif -#if (flash_EBIU_AMBCTL_WAT == 6) -#define flash_EBIU_AMBCTL0_WAT B0WAT_6 -#endif -#if (flash_EBIU_AMBCTL_WAT == 5) -#define flash_EBIU_AMBCTL0_WAT B0WAT_5 -#endif -#if (flash_EBIU_AMBCTL_WAT == 4) -#define flash_EBIU_AMBCTL0_WAT B0WAT_4 -#endif -#if (flash_EBIU_AMBCTL_WAT == 3) -#define flash_EBIU_AMBCTL0_WAT B0WAT_3 -#endif -#if (flash_EBIU_AMBCTL_WAT == 2) -#define flash_EBIU_AMBCTL0_WAT B0WAT_2 -#endif -#if (flash_EBIU_AMBCTL_WAT == 1) -#define flash_EBIU_AMBCTL0_WAT B0WAT_1 -#endif - -#if (flash_EBIU_AMBCTL_RAT > 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_15 -#endif -#if (flash_EBIU_AMBCTL_RAT == 14) -#define flash_EBIU_AMBCTL0_RAT B0RAT_14 -#endif -#if (flash_EBIU_AMBCTL_RAT == 13) -#define flash_EBIU_AMBCTL0_RAT B0RAT_13 -#endif -#if (flash_EBIU_AMBCTL_RAT == 12) -#define flash_EBIU_AMBCTL0_RAT B0RAT_12 -#endif -#if (flash_EBIU_AMBCTL_RAT == 11) -#define flash_EBIU_AMBCTL0_RAT B0RAT_11 -#endif -#if (flash_EBIU_AMBCTL_RAT == 10) -#define flash_EBIU_AMBCTL0_RAT B0RAT_10 -#endif -#if (flash_EBIU_AMBCTL_RAT == 9) -#define flash_EBIU_AMBCTL0_RAT B0RAT_9 -#endif -#if (flash_EBIU_AMBCTL_RAT == 8) -#define flash_EBIU_AMBCTL0_RAT B0RAT_8 -#endif -#if (flash_EBIU_AMBCTL_RAT == 7) -#define flash_EBIU_AMBCTL0_RAT B0RAT_7 -#endif -#if (flash_EBIU_AMBCTL_RAT == 6) -#define flash_EBIU_AMBCTL0_RAT B0RAT_6 -#endif -#if (flash_EBIU_AMBCTL_RAT == 5) -#define flash_EBIU_AMBCTL0_RAT B0RAT_5 -#endif -#if (flash_EBIU_AMBCTL_RAT == 4) -#define flash_EBIU_AMBCTL0_RAT B0RAT_4 -#endif -#if (flash_EBIU_AMBCTL_RAT == 3) -#define flash_EBIU_AMBCTL0_RAT B0RAT_3 -#endif -#if (flash_EBIU_AMBCTL_RAT == 2) -#define flash_EBIU_AMBCTL0_RAT B0RAT_2 -#endif -#if (flash_EBIU_AMBCTL_RAT == 1) -#define flash_EBIU_AMBCTL0_RAT B0RAT_1 -#endif - -#define flash_EBIU_AMBCTL0 \ - (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \ - flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN) diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile index 38911c6f964f..1f3228ed713f 100644 --- a/arch/blackfin/mach-common/Makefile +++ b/arch/blackfin/mach-common/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_PM) += pm.o dpmc_modes.o obj-$(CONFIG_CPU_FREQ) += cpufreq.o obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o obj-$(CONFIG_SMP) += smp.o +obj-$(CONFIG_BFIN_KERNEL_CLOCK) += clocks-init.o diff --git a/arch/blackfin/mach-common/clocks-init.c b/arch/blackfin/mach-common/clocks-init.c new file mode 100644 index 000000000000..39a94b3a2ed7 --- /dev/null +++ b/arch/blackfin/mach-common/clocks-init.c @@ -0,0 +1,93 @@ +/* + * arch/blackfin/mach-common/clocks-init.c - reprogram clocks / memory + * + * Copyright 2004-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/linkage.h> +#include <linux/init.h> +#include <asm/blackfin.h> + +#include <asm/dma.h> +#include <asm/clocks.h> +#include <asm/mem_init.h> + +#define PLL_CTL_VAL \ + (((CONFIG_VCO_MULT & 63) << 9) | CLKIN_HALF | \ + (PLL_BYPASS << 8) | (ANOMALY_05000265 ? 0x8000 : 0)) + +__attribute__((l1_text)) +static void do_sync(void) +{ + __builtin_bfin_ssync(); +} + +__attribute__((l1_text)) +void init_clocks(void) +{ + /* Kill any active DMAs as they may trigger external memory accesses + * in the middle of reprogramming things, and that'll screw us up. + * For example, any automatic DMAs left by U-Boot for splash screens. + */ + size_t i; + for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; ++i) { + struct dma_register *dma = dma_io_base_addr[i]; + dma->cfg = 0; + } + + do_sync(); + +#ifdef SIC_IWR0 + bfin_write_SIC_IWR0(IWR_ENABLE(0)); +# ifdef SIC_IWR1 + /* BF52x system reset does not properly reset SIC_IWR1 which + * will screw up the bootrom as it relies on MDMA0/1 waking it + * up from IDLE instructions. See this report for more info: + * http://blackfin.uclinux.org/gf/tracker/4323 + */ + if (ANOMALY_05000435) + bfin_write_SIC_IWR1(IWR_ENABLE(10) | IWR_ENABLE(11)); + else + bfin_write_SIC_IWR1(IWR_DISABLE_ALL); +# endif +# ifdef SIC_IWR2 + bfin_write_SIC_IWR2(IWR_DISABLE_ALL); +# endif +#else + bfin_write_SIC_IWR(IWR_ENABLE(0)); +#endif + do_sync(); +#ifdef EBIU_SDGCTL + bfin_write_EBIU_SDGCTL(bfin_read_EBIU_SDGCTL() | SRFS); + do_sync(); +#endif + +#ifdef CLKBUFOE + bfin_write16(VR_CTL, bfin_read_VR_CTL() | CLKBUFOE); + do_sync(); + __asm__ __volatile__("IDLE;"); +#endif + bfin_write_PLL_LOCKCNT(0x300); + do_sync(); + bfin_write16(PLL_CTL, PLL_CTL_VAL); + __asm__ __volatile__("IDLE;"); + bfin_write_PLL_DIV(CONFIG_CCLK_ACT_DIV | CONFIG_SCLK_DIV); +#ifdef EBIU_SDGCTL + bfin_write_EBIU_SDRRC(mem_SDRRC); + bfin_write_EBIU_SDGCTL(mem_SDGCTL); +#else + bfin_write_EBIU_RSTCTL(bfin_read_EBIU_RSTCTL() & ~(SRREQ)); + do_sync(); + bfin_write_EBIU_RSTCTL(bfin_read_EBIU_RSTCTL() | 0x1); + bfin_write_EBIU_DDRCTL0(mem_DDRCTL0); + bfin_write_EBIU_DDRCTL1(mem_DDRCTL1); + bfin_write_EBIU_DDRCTL2(mem_DDRCTL2); +#ifdef CONFIG_MEM_EBIU_DDRQUE + bfin_write_EBIU_DDRQUE(CONFIG_MEM_EBIU_DDRQUE); +#endif +#endif + do_sync(); + bfin_read16(0); +} diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index a621ae444810..e1e42c029e15 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -147,7 +147,7 @@ ENTRY(__start) /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ call _bfin_relocate_l1_mem; #ifdef CONFIG_BFIN_KERNEL_CLOCK - call _start_dma_code; + call _init_clocks; #endif /* This section keeps the processor in supervisor mode |
