diff options
Diffstat (limited to 'arch/blackfin/mach-bf533')
| -rw-r--r-- | arch/blackfin/mach-bf533/Makefile | 4 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/cm_bf533.c | 16 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/ezkit.c | 10 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/generic_board.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/stamp.c | 30 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/cpu.c | 3 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/dma.c | 95 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/head.S | 35 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/ints-priority.c | 4 |
9 files changed, 153 insertions, 50 deletions
diff --git a/arch/blackfin/mach-bf533/Makefile b/arch/blackfin/mach-bf533/Makefile index 76d2c2b8579..8cce1736360 100644 --- a/arch/blackfin/mach-bf533/Makefile +++ b/arch/blackfin/mach-bf533/Makefile @@ -4,6 +4,6 @@ extra-y := head.o -obj-y := ints-priority.o +obj-y := ints-priority.o dma.o -obj-$(CONFIG_CPU_FREQ_BF533) += cpu.o +obj-$(CONFIG_CPU_FREQ) += cpu.o diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c index 23a7f607df3..4545f363e64 100644 --- a/arch/blackfin/mach-bf533/boards/cm_bf533.c +++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c @@ -1,7 +1,7 @@ /* * File: arch/blackfin/mach-bf533/boards/cm_bf533.c * Based on: arch/blackfin/mach-bf533/boards/ezkit.c - * Author: Aidan Williams <aidan@nicta.com.au> Copright 2005 + * Author: Aidan Williams <aidan@nicta.com.au> Copyright 2005 * * Created: 2005 * Description: Board description file @@ -34,7 +34,7 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/usb_isp1362.h> -#include <asm/irq.h> +#include <linux/irq.h> #include <asm/bfin5xx_spi.h> /* @@ -51,11 +51,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = { .size = 0x00020000, .offset = 0, .mask_flags = MTD_CAP_ROM - },{ + }, { .name = "kernel", .size = 0xe0000, .offset = 0x20000 - },{ + }, { .name = "file system", .size = 0x700000, .offset = 0x00100000, @@ -98,7 +98,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, .mode = SPI_MODE_3, - },{ + }, { .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ .bus_num = 1, /* Framework bus number */ @@ -145,7 +145,7 @@ static struct resource smc91x_resources[] = { .start = 0x20200300, .end = 0x20200300 + 16, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PF0, .end = IRQ_PF0, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, @@ -194,11 +194,11 @@ static struct resource isp1362_hcd_resources[] = { .start = 0x20308000, .end = 0x20308000, .flags = IORESOURCE_MEM, - },{ + }, { .start = 0x20308004, .end = 0x20308004, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PF4, .end = IRQ_PF4, .flags = IORESOURCE_IRQ, diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c index 747298ea907..0000b8f1239 100644 --- a/arch/blackfin/mach-bf533/boards/ezkit.c +++ b/arch/blackfin/mach-bf533/boards/ezkit.c @@ -1,6 +1,6 @@ /* * File: arch/blackfin/mach-bf533/ezkit.c - * Based on: Orginal Work + * Based on: Original Work * Author: Aidan Williams <aidan@nicta.com.au> * * Created: 2005 @@ -35,7 +35,7 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/usb_isp1362.h> -#include <asm/irq.h> +#include <linux/irq.h> #include <asm/bfin5xx_spi.h> /* @@ -61,7 +61,7 @@ static struct resource smc91x_resources[] = { .start = 0x20310300, .end = 0x20310300 + 16, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PF9, .end = IRQ_PF9, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, @@ -85,11 +85,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = { .size = 0x00020000, .offset = 0, .mask_flags = MTD_CAP_ROM - },{ + }, { .name = "kernel", .size = 0xe0000, .offset = 0x20000 - },{ + }, { .name = "file system", .size = 0x700000, .offset = 0x00100000, diff --git a/arch/blackfin/mach-bf533/boards/generic_board.c b/arch/blackfin/mach-bf533/boards/generic_board.c index c0f43ccfbfb..9bc1f0d0ab5 100644 --- a/arch/blackfin/mach-bf533/boards/generic_board.c +++ b/arch/blackfin/mach-bf533/boards/generic_board.c @@ -30,7 +30,7 @@ #include <linux/device.h> #include <linux/platform_device.h> -#include <asm/irq.h> +#include <linux/irq.h> /* * Name the Board for the /proc/cpuinfo @@ -53,11 +53,11 @@ static struct resource smc91x_resources[] = { .start = 0x20300300, .end = 0x20300300 + 16, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PROG_INTB, .end = IRQ_PROG_INTB, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, - },{ + }, { /* * denotes the flag pin and is used directly if * CONFIG_IRQCHIP_DEMUX_GPIO is defined. diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c index 9a472fe1583..a9143c4cbdc 100644 --- a/arch/blackfin/mach-bf533/boards/stamp.c +++ b/arch/blackfin/mach-bf533/boards/stamp.c @@ -37,7 +37,7 @@ #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) #include <linux/usb_isp1362.h> #endif -#include <asm/irq.h> +#include <linux/irq.h> #include <asm/bfin5xx_spi.h> /* @@ -62,7 +62,7 @@ static struct resource smc91x_resources[] = { .start = 0x20300300, .end = 0x20300300 + 16, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PF7, .end = IRQ_PF7, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, @@ -83,7 +83,7 @@ static struct resource net2272_bfin_resources[] = { .start = 0x20300000, .end = 0x20300000 + 0x100, .flags = IORESOURCE_MEM, - },{ + }, { .start = IRQ_PF10, .end = IRQ_PF10, .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, @@ -108,11 +108,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = { .size = 0x00020000, .offset = 0, .mask_flags = MTD_CAP_ROM - },{ + }, { .name = "kernel", .size = 0xe0000, .offset = 0x20000 - },{ + }, { .name = "file system", .size = 0x700000, .offset = 0x00100000, @@ -229,19 +229,19 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { #if defined(CONFIG_PBX) { - .modalias = "fxs-spi", - .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, - .chip_select = 3, - .controller_data= &spi_si3xxx_chip_info, + .modalias = "fxs-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 1, + .chip_select = 3, + .controller_data = &spi_si3xxx_chip_info, .mode = SPI_MODE_3, }, { - .modalias = "fxo-spi", - .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, - .chip_select = 2, - .controller_data= &spi_si3xxx_chip_info, + .modalias = "fxo-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 1, + .chip_select = 2, + .controller_data = &spi_si3xxx_chip_info, .mode = SPI_MODE_3, }, #endif diff --git a/arch/blackfin/mach-bf533/cpu.c b/arch/blackfin/mach-bf533/cpu.c index 99547c4c290..6fd9cfd0a31 100644 --- a/arch/blackfin/mach-bf533/cpu.c +++ b/arch/blackfin/mach-bf533/cpu.c @@ -79,8 +79,7 @@ static int bf533_target(struct cpufreq_policy *policy, int i; struct cpufreq_freqs freqs; - if (cpufreq_frequency_table_target - (policy, bf533_freq_table, target_freq, relation, &index)) + if (cpufreq_frequency_table_target(policy, bf533_freq_table, target_freq, relation, &index)) return -EINVAL; cclk_mhz = bf533_freq_table[index].frequency; vco_mhz = bf533_freq_table[index].index; diff --git a/arch/blackfin/mach-bf533/dma.c b/arch/blackfin/mach-bf533/dma.c new file mode 100644 index 00000000000..6c909cf4f7b --- /dev/null +++ b/arch/blackfin/mach-bf533/dma.c @@ -0,0 +1,95 @@ +/* + * File: arch/blackfin/mach-bf533/dma.c + * Based on: + * Author: + * + * Created: + * Description: This file contains the simple DMA Implementation for Blackfin + * + * 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 <asm/blackfin.h> +#include <asm/dma.h> + +struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL] = { + (struct dma_register *) DMA0_NEXT_DESC_PTR, + (struct dma_register *) DMA1_NEXT_DESC_PTR, + (struct dma_register *) DMA2_NEXT_DESC_PTR, + (struct dma_register *) DMA3_NEXT_DESC_PTR, + (struct dma_register *) DMA4_NEXT_DESC_PTR, + (struct dma_register *) DMA5_NEXT_DESC_PTR, + (struct dma_register *) DMA6_NEXT_DESC_PTR, + (struct dma_register *) DMA7_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D0_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S0_NEXT_DESC_PTR, + (struct dma_register *) MDMA_D1_NEXT_DESC_PTR, + (struct dma_register *) MDMA_S1_NEXT_DESC_PTR, +}; + +int channel2irq(unsigned int channel) +{ + int ret_irq = -1; + + switch (channel) { + case CH_PPI: + ret_irq = IRQ_PPI; + break; + + case CH_SPORT0_RX: + ret_irq = IRQ_SPORT0_RX; + break; + + case CH_SPORT0_TX: + ret_irq = IRQ_SPORT0_TX; + break; + + case CH_SPORT1_RX: + ret_irq = IRQ_SPORT1_RX; + break; + + case CH_SPORT1_TX: + ret_irq = IRQ_SPORT1_TX; + break; + + case CH_SPI: + ret_irq = IRQ_SPI; + break; + + case CH_UART_RX: + ret_irq = IRQ_UART_RX; + break; + + case CH_UART_TX: + ret_irq = IRQ_UART_TX; + break; + + case CH_MEM_STREAM0_SRC: + case CH_MEM_STREAM0_DEST: + ret_irq = IRQ_MEM_DMA0; + break; + + case CH_MEM_STREAM1_SRC: + case CH_MEM_STREAM1_DEST: + ret_irq = IRQ_MEM_DMA1; + break; + } + return ret_irq; +} diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 4db9e624090..7dd0e9c3a93 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -28,7 +28,9 @@ */ #include <linux/linkage.h> +#include <linux/init.h> #include <asm/blackfin.h> +#include <asm/trace.h> #if CONFIG_BFIN_KERNEL_CLOCK #include <asm/mach/mem_init.h> #endif @@ -45,19 +47,19 @@ #define INITIAL_STACK 0xFFB01000 -.text +__INIT ENTRY(__start) -ENTRY(__stext) /* R0: argument of command line string, passed from uboot, save it */ R7 = R0; - /* Set the SYSCFG register */ + /* Set the SYSCFG register: + * Enable Cycle Counter and Nesting Of Interrupts (3rd Bit) + */ R0 = 0x36; - /*Enable Cycle Counter and Nesting Of Interrupts(3rd Bit)*/ SYSCFG = R0; R0 = 0; - /*Clear Out All the data and pointer Registers*/ + /* Clear Out All the data and pointer Registers */ R1 = R0; R2 = R0; R3 = R0; @@ -79,7 +81,7 @@ ENTRY(__stext) L2 = r0; L3 = r0; - /* Clear Out All the DAG Registers*/ + /* Clear Out All the DAG Registers */ B0 = r0; B1 = r0; B2 = r0; @@ -95,6 +97,10 @@ ENTRY(__stext) M2 = r0; M3 = r0; + trace_buffer_start(p0,r0); + P0 = R1; + R0 = R1; + #if CONFIG_DEBUG_KERNEL_START /* @@ -265,6 +271,7 @@ ENTRY(__stext) .LWAIT_HERE: jump .LWAIT_HERE; +ENDPROC(__start) ENTRY(_real_start) [ -- sp ] = reti; @@ -303,7 +310,7 @@ ENTRY(_real_start) .L_clear_zero: W[p1++] = r0; -/* pass the uboot arguments to the global value command line */ + /* pass the uboot arguments to the global value command line */ R0 = R7; call _cmdline_init; @@ -322,7 +329,7 @@ ENTRY(_real_start) [p1] = r1; /* - * load the current thread pointer and stack + * load the current thread pointer and stack */ r1.l = _init_thread_union; r1.h = _init_thread_union; @@ -333,9 +340,10 @@ ENTRY(_real_start) sp = r1; usp = sp; fp = sp; - call _start_kernel; -.L_exit: - jump.s .L_exit; + jump.l _start_kernel; +ENDPROC(_real_start) + +__FINIT .section .l1.text #if CONFIG_BFIN_KERNEL_CLOCK @@ -439,12 +447,13 @@ ENTRY(_start_dma_code) p0.h = hi(SIC_IWR); p0.l = lo(SIC_IWR); - r0.l = lo(IWR_ENABLE_ALL) - r0.h = hi(IWR_ENABLE_ALL) + r0.l = lo(IWR_ENABLE_ALL); + r0.h = hi(IWR_ENABLE_ALL); [p0] = r0; SSYNC; RTS; +ENDPROC(_start_dma_code) #endif /* CONFIG_BFIN_KERNEL_CLOCK */ ENTRY(_bfin_reset) diff --git a/arch/blackfin/mach-bf533/ints-priority.c b/arch/blackfin/mach-bf533/ints-priority.c index 36a69334520..7d79e0f9503 100644 --- a/arch/blackfin/mach-bf533/ints-priority.c +++ b/arch/blackfin/mach-bf533/ints-priority.c @@ -4,7 +4,7 @@ * Author: Michael Hennerich * * Created: ? - * Description: Set up the interupt priorities + * Description: Set up the interrupt priorities * * Modified: * Copyright 2004-2006 Analog Devices Inc. @@ -28,8 +28,8 @@ */ #include <linux/module.h> +#include <linux/irq.h> #include <asm/blackfin.h> -#include <asm/irq.h> void program_IAR(void) { |