diff options
Diffstat (limited to 'arch/blackfin/mach-bf538')
| -rw-r--r-- | arch/blackfin/mach-bf538/Makefile | 2 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf538/head.S | 137 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf538/include/mach/mem_init.h | 303 |
3 files changed, 0 insertions, 442 deletions
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) |