diff options
Diffstat (limited to 'arch/blackfin/mach-bf533')
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/cm_bf533.c | 81 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/ezkit.c | 91 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/stamp.c | 119 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf533/head.S | 344 |
4 files changed, 281 insertions, 354 deletions
diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c index 4545f363e64..a57b52d207c 100644 --- a/arch/blackfin/mach-bf533/boards/cm_bf533.c +++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c @@ -34,7 +34,9 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/usb_isp1362.h> +#include <linux/pata_platform.h> #include <linux/irq.h> +#include <asm/dma.h> #include <asm/bfin5xx_spi.h> /* @@ -93,7 +95,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { /* the modalias must be the same as spi device driver name */ .modalias = "m25p80", /* Name of spi_driver for this device */ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, /* Framework bus number */ + .bus_num = 0, /* Framework bus number */ .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, @@ -101,7 +103,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { }, { .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 */ + .bus_num = 0, /* Framework bus number */ .chip_select = 2, /* Framework chip select. */ .platform_data = NULL, /* No spi_driver specific config */ .controller_data = &spi_adc_chip_info, @@ -110,24 +112,40 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad1836-spi", .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, .controller_data = &ad1836_spi_chip_info, }, #endif }; +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_IRQ, + } +}; + /* SPI controller data */ -static struct bfin5xx_spi_master spi_bfin_master_info = { +static struct bfin5xx_spi_master bfin_spi0_info = { .num_chipselect = 8, .enable_dma = 1, /* master has the ability to do dma transfer */ }; -static struct platform_device spi_bfin_master_device = { - .name = "bfin-spi-master", - .id = 1, /* Bus number */ +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, .dev = { - .platform_data = &spi_bfin_master_info, /* Passed to driver */ + .platform_data = &bfin_spi0_info, /* Passed to driver */ }, }; #endif /* spi master and devices */ @@ -227,6 +245,43 @@ static struct platform_device isp1362_hcd_device = { }; #endif +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) +#define PATA_INT 38 + +static struct pata_platform_info bfin_pata_platform_data = { + .ioport_shift = 2, + .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED, +}; + +static struct resource bfin_pata_resources[] = { + { + .start = 0x2030C000, + .end = 0x2030C01F, + .flags = IORESOURCE_MEM, + }, + { + .start = 0x2030D018, + .end = 0x2030D01B, + .flags = IORESOURCE_MEM, + }, + { + .start = PATA_INT, + .end = PATA_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_pata_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_pata_resources), + .resource = bfin_pata_resources, + .dev = { + .platform_data = &bfin_pata_platform_data, + } +}; +#endif + static struct platform_device *cm_bf533_devices[] __initdata = { #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) &bfin_uart_device, @@ -250,7 +305,11 @@ static struct platform_device *cm_bf533_devices[] __initdata = { #endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - &spi_bfin_master_device, + &bfin_spi0_device, +#endif + +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + &bfin_pata_device, #endif }; @@ -261,6 +320,10 @@ static int __init cm_bf533_init(void) #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); #endif + +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + irq_desc[PATA_INT].status |= IRQ_NOAUTOEN; +#endif return 0; } diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c index 0000b8f1239..5c1e35d3c01 100644 --- a/arch/blackfin/mach-bf533/boards/ezkit.c +++ b/arch/blackfin/mach-bf533/boards/ezkit.c @@ -35,7 +35,9 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/usb_isp1362.h> +#include <linux/pata_platform.h> #include <linux/irq.h> +#include <asm/dma.h> #include <asm/bfin5xx_spi.h> /* @@ -50,6 +52,12 @@ static struct platform_device rtc_device = { }; #endif +#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) +static struct platform_device bfin_fb_adv7393_device = { + .name = "bfin-adv7393", +}; +#endif + /* * USB-LAN EzExtender board * Driver needs to know address, irq and flag pin. @@ -131,7 +139,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { /* the modalias must be the same as spi device driver name */ .modalias = "m25p80", /* Name of spi_driver for this device */ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, /* Framework bus number */ + .bus_num = 0, /* Framework bus number */ .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, @@ -143,7 +151,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .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 */ + .bus_num = 0, /* Framework bus number */ .chip_select = 1, /* Framework chip select. */ .platform_data = NULL, /* No spi_driver specific config */ .controller_data = &spi_adc_chip_info, @@ -154,24 +162,40 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad1836-spi", .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, .controller_data = &ad1836_spi_chip_info, }, #endif }; +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_IRQ, + } +}; + /* SPI controller data */ -static struct bfin5xx_spi_master spi_bfin_master_info = { +static struct bfin5xx_spi_master bfin_spi0_info = { .num_chipselect = 8, .enable_dma = 1, /* master has the ability to do dma transfer */ }; -static struct platform_device spi_bfin_master_device = { - .name = "bfin-spi-master", - .id = 1, /* Bus number */ +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, .dev = { - .platform_data = &spi_bfin_master_info, /* Passed to driver */ + .platform_data = &bfin_spi0_info, /* Passed to driver */ }, }; #endif /* spi master and devices */ @@ -193,13 +217,54 @@ static struct platform_device bfin_uart_device = { }; #endif +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) +#define PATA_INT 55 + +static struct pata_platform_info bfin_pata_platform_data = { + .ioport_shift = 1, + .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED, +}; + +static struct resource bfin_pata_resources[] = { + { + .start = 0x20314020, + .end = 0x2031403F, + .flags = IORESOURCE_MEM, + }, + { + .start = 0x2031401C, + .end = 0x2031401F, + .flags = IORESOURCE_MEM, + }, + { + .start = PATA_INT, + .end = PATA_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_pata_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_pata_resources), + .resource = bfin_pata_resources, + .dev = { + .platform_data = &bfin_pata_platform_data, + } +}; +#endif + static struct platform_device *ezkit_devices[] __initdata = { #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) &smc91x_device, #endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - &spi_bfin_master_device, + &bfin_spi0_device, +#endif + +#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) + &bfin_fb_adv7393_device, #endif #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) @@ -209,6 +274,10 @@ static struct platform_device *ezkit_devices[] __initdata = { #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) &bfin_uart_device, #endif + +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + &bfin_pata_device, +#endif }; static int __init ezkit_init(void) @@ -218,6 +287,10 @@ static int __init ezkit_init(void) #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); #endif + +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + irq_desc[PATA_INT].status |= IRQ_NOAUTOEN; +#endif return 0; } diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c index a9143c4cbdc..8975e06ea15 100644 --- a/arch/blackfin/mach-bf533/boards/stamp.c +++ b/arch/blackfin/mach-bf533/boards/stamp.c @@ -37,8 +37,11 @@ #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE) #include <linux/usb_isp1362.h> #endif +#include <linux/pata_platform.h> #include <linux/irq.h> +#include <asm/dma.h> #include <asm/bfin5xx_spi.h> +#include <asm/reboot.h> /* * Name the Board for the /proc/cpuinfo @@ -77,6 +80,12 @@ static struct platform_device smc91x_device = { }; #endif +#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) +static struct platform_device bfin_fb_adv7393_device = { + .name = "bfin-adv7393", +}; +#endif + #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) static struct resource net2272_bfin_resources[] = { { @@ -177,7 +186,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { /* the modalias must be the same as spi device driver name */ .modalias = "m25p80", /* Name of spi_driver for this device */ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, /* Framework bus number */ + .bus_num = 0, /* Framework bus number */ .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, @@ -189,7 +198,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .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 */ + .bus_num = 0, /* Framework bus number */ .chip_select = 1, /* Framework chip select. */ .platform_data = NULL, /* No spi_driver specific config */ .controller_data = &spi_adc_chip_info, @@ -200,7 +209,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad1836-spi", .max_speed_hz = 31250000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, .controller_data = &ad1836_spi_chip_info, }, @@ -210,7 +219,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "spi_mmc_dummy", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = 0, .platform_data = NULL, .controller_data = &spi_mmc_chip_info, @@ -219,7 +228,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "spi_mmc", .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = CONFIG_SPI_MMC_CS_CHAN, .platform_data = NULL, .controller_data = &spi_mmc_chip_info, @@ -231,16 +240,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "fxs-spi", .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, - .chip_select = 3, + .bus_num = 0, + .chip_select = 8 - CONFIG_J11_JUMPER, .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, + .bus_num = 0, + .chip_select = 8 - CONFIG_J19_JUMPER, .controller_data = &spi_si3xxx_chip_info, .mode = SPI_MODE_3, }, @@ -250,7 +259,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad5304_spi", .max_speed_hz = 1000000, /* max spi clock (SCK) speed in HZ */ - .bus_num = 1, + .bus_num = 0, .chip_select = 2, .platform_data = NULL, .controller_data = &ad5304_chip_info, @@ -259,17 +268,33 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { #endif }; +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_IRQ, + } +}; + /* SPI controller data */ -static struct bfin5xx_spi_master spi_bfin_master_info = { +static struct bfin5xx_spi_master bfin_spi0_info = { .num_chipselect = 8, .enable_dma = 1, /* master has the ability to do dma transfer */ }; -static struct platform_device spi_bfin_master_device = { - .name = "bfin-spi-master", - .id = 1, /* Bus number */ +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, .dev = { - .platform_data = &spi_bfin_master_info, /* Passed to driver */ + .platform_data = &bfin_spi0_info, /* Passed to driver */ }, }; #endif /* spi master and devices */ @@ -309,6 +334,43 @@ static struct platform_device bfin_sport1_uart_device = { }; #endif +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) +#define PATA_INT 55 + +static struct pata_platform_info bfin_pata_platform_data = { + .ioport_shift = 1, + .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED, +}; + +static struct resource bfin_pata_resources[] = { + { + .start = 0x20314020, + .end = 0x2031403F, + .flags = IORESOURCE_MEM, + }, + { + .start = 0x2031401C, + .end = 0x2031401F, + .flags = IORESOURCE_MEM, + }, + { + .start = PATA_INT, + .end = PATA_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_pata_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_pata_resources), + .resource = bfin_pata_resources, + .dev = { + .platform_data = &bfin_pata_platform_data, + } +}; +#endif + static struct platform_device *stamp_devices[] __initdata = { #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) &rtc_device, @@ -318,12 +380,16 @@ static struct platform_device *stamp_devices[] __initdata = { &smc91x_device, #endif +#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) + &bfin_fb_adv7393_device, +#endif + #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) &net2272_bfin_device, #endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - &spi_bfin_master_device, + &bfin_spi0_device, #endif #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) @@ -334,6 +400,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_sport0_uart_device, &bfin_sport1_uart_device, #endif + +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + &bfin_pata_device, +#endif }; static int __init stamp_init(void) @@ -355,8 +425,23 @@ static int __init stamp_init(void) #endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) - return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); + spi_register_board_info(bfin_spi_board_info, + ARRAY_SIZE(bfin_spi_board_info)); +#endif +#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) + irq_desc[PATA_INT].status |= IRQ_NOAUTOEN; #endif + return 0; } arch_initcall(stamp_init); + +void native_machine_restart(char *cmd) +{ +#if defined(CONFIG_BFIN_SHARED_FLASH_ENET) +# define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN) + bfin_write_FIO_INEN(~BIT_TO_SET); + bfin_write_FIO_DIR(BIT_TO_SET); + bfin_write_FIO_FLAG_C(BIT_TO_SET); +#endif +} diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 7dd0e9c3a93..1ded945a6fa 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -32,11 +32,9 @@ #include <asm/blackfin.h> #include <asm/trace.h> #if CONFIG_BFIN_KERNEL_CLOCK +#include <asm/mach-common/clocks.h> #include <asm/mach/mem_init.h> #endif -#if CONFIG_DEBUG_KERNEL_START -#include <asm/mach-common/def_LPBlackfin.h> -#endif .global __rambase .global __ramstart @@ -52,10 +50,12 @@ __INIT ENTRY(__start) /* R0: argument of command line string, passed from uboot, save it */ R7 = R0; - /* Set the SYSCFG register: - * Enable Cycle Counter and Nesting Of Interrupts (3rd Bit) - */ - R0 = 0x36; + /* Enable Cycle Counter and Nesting Of Interrupts */ +#ifdef CONFIG_BFIN_SCRATCH_REG_CYCLES + R0 = SYSCFG_SNEN; +#else + R0 = SYSCFG_SNEN | SYSCFG_CCEN; +#endif SYSCFG = R0; R0 = 0; @@ -97,40 +97,10 @@ ENTRY(__start) M2 = r0; M3 = r0; - trace_buffer_start(p0,r0); + trace_buffer_init(p0,r0); P0 = R1; R0 = R1; -#if CONFIG_DEBUG_KERNEL_START - -/* - * Set up a temporary Event Vector Table, so if something bad happens before - * the kernel is fully started, it doesn't vector off into the bootloaders - * table - */ - P0.l = lo(EVT2); - P0.h = hi(EVT2); - P1.l = lo(EVT15); - P1.h = hi(EVT15); - P2.l = debug_kernel_start_trap; - P2.h = debug_kernel_start_trap; - - RTS = P2; - RTI = P2; - RTX = P2; - RTN = P2; - RTE = P2; - -.Lfill_temp_vector_table: - [P0++] = P2; /* Core Event Vector Table */ - CC = P0 == P1; - if !CC JUMP .Lfill_temp_vector_table - P0 = r0; - P1 = r0; - P2 = r0; - -#endif - p0.h = hi(FIO_MASKA_C); p0.l = lo(FIO_MASKA_C); r0 = 0xFFFF(Z); @@ -144,38 +114,38 @@ ENTRY(__start) ssync; /* Turn off the icache */ - p0.l = (IMEM_CONTROL & 0xFFFF); - p0.h = (IMEM_CONTROL >> 16); + p0.l = LO(IMEM_CONTROL); + p0.h = HI(IMEM_CONTROL); R1 = [p0]; R0 = ~ENICPLB; R0 = R0 & R1; /* Anomaly 05000125 */ -#ifdef ANOMALY_05000125 +#if ANOMALY_05000125 CLI R2; SSYNC; #endif [p0] = R0; SSYNC; -#ifdef ANOMALY_05000125 +#if ANOMALY_05000125 STI R2; #endif /* Turn off the dcache */ - p0.l = (DMEM_CONTROL & 0xFFFF); - p0.h = (DMEM_CONTROL >> 16); + p0.l = LO(DMEM_CONTROL); + p0.h = HI(DMEM_CONTROL); R1 = [p0]; R0 = ~ENDCPLB; R0 = R0 & R1; /* Anomaly 05000125 */ -#ifdef ANOMALY_05000125 +#if ANOMALY_05000125 CLI R2; SSYNC; #endif [p0] = R0; SSYNC; -#ifdef ANOMALY_05000125 +#if ANOMALY_05000125 STI R2; #endif @@ -211,6 +181,12 @@ ENTRY(__start) fp = sp; usp = sp; +#ifdef CONFIG_EARLY_PRINTK + SP += -12; + call _init_early_exception_vectors; + SP += 12; +#endif + /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ call _bf53x_relocate_l1_mem; #if CONFIG_BFIN_KERNEL_CLOCK @@ -264,7 +240,7 @@ ENTRY(__start) p0.l = .LWAIT_HERE; p0.h = .LWAIT_HERE; reti = p0; -#if defined(ANOMALY_05000281) +#if ANOMALY_05000281 nop; nop; nop; #endif rti; @@ -417,8 +393,8 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; - p0.l = (EBIU_SDBCTL & 0xFFFF); - p0.h = (EBIU_SDBCTL >> 16); /* SDRAM Memory Bank Control Register */ + p0.l = LO(EBIU_SDBCTL); + p0.h = HI(EBIU_SDBCTL); /* SDRAM Memory Bank Control Register */ r0 = mem_SDBCTL; w[p0] = r0.l; ssync; @@ -456,276 +432,6 @@ ENTRY(_start_dma_code) ENDPROC(_start_dma_code) #endif /* CONFIG_BFIN_KERNEL_CLOCK */ -ENTRY(_bfin_reset) - /* No more interrupts to be handled*/ - CLI R6; - SSYNC; - -#if defined(CONFIG_BFIN_SHARED_FLASH_ENET) - p0.h = hi(FIO_INEN); - p0.l = lo(FIO_INEN); - r0.l = ~(1 << CONFIG_ENET_FLASH_PIN); - w[p0] = r0.l; - - p0.h = hi(FIO_DIR); - p0.l = lo(FIO_DIR); - r0.l = (1 << CONFIG_ENET_FLASH_PIN); - w[p0] = r0.l; - - p0.h = hi(FIO_FLAG_C); - p0.l = lo(FIO_FLAG_C); - r0.l = (1 << CONFIG_ENET_FLASH_PIN); - w[p0] = r0.l; -#endif - - /* Clear the IMASK register */ - p0.h = hi(IMASK); - p0.l = lo(IMASK); - r0 = 0x0; - [p0] = r0; - - /* Clear the ILAT register */ - p0.h = hi(ILAT); - p0.l = lo(ILAT); - r0 = [p0]; - [p0] = r0; - SSYNC; - - /* make sure SYSCR is set to use BMODE */ - P0.h = hi(SYSCR); - P0.l = lo(SYSCR); - R0.l = 0x0; - W[P0] = R0.l; - SSYNC; - - /* issue a system soft reset */ - P1.h = hi(SWRST); - P1.l = lo(SWRST); - R1.l = 0x0007; - W[P1] = R1; - SSYNC; - - /* clear system soft reset */ - R0.l = 0x0000; - W[P0] = R0; - SSYNC; - - /* issue core reset */ - raise 1; - - RTS; -ENDPROC(_bfin_reset) - -#if CONFIG_DEBUG_KERNEL_START -debug_kernel_start_trap: - /* Set up a temp stack in L1 - SDRAM might not be working */ - P0.L = lo(L1_DATA_A_START + 0x100); - P0.H = hi(L1_DATA_A_START + 0x100); - SP = P0; - - /* Make sure the Clocks are the way I think they should be */ - 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 */ - - 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_again1: - p0.h = hi(PLL_STAT); - p0.l = lo(PLL_STAT); - R0 = W[P0](Z); - CC = BITTST(R0,5); - if ! CC jump .Lcheck_again1; - - /* 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; - - /* Make sure UART is enabled - you can never be sure */ - -/* - * Setup for console. Argument comes from the menuconfig - */ - -#ifdef CONFIG_BAUD_9600 -#define CONSOLE_BAUD_RATE 9600 -#elif CONFIG_BAUD_19200 -#define CONSOLE_BAUD_RATE 19200 -#elif CONFIG_BAUD_38400 -#define CONSOLE_BAUD_RATE 38400 -#elif CONFIG_BAUD_57600 -#define CONSOLE_BAUD_RATE 57600 -#elif CONFIG_BAUD_115200 -#define CONSOLE_BAUD_RATE 115200 -#endif - - p0.h = hi(UART_GCTL); - p0.l = lo(UART_GCTL); - r0 = 0x00(Z); - w[p0] = r0.L; /* To Turn off UART clocks */ - ssync; - - p0.h = hi(UART_LCR); - p0.l = lo(UART_LCR); - r0 = 0x83(Z); - w[p0] = r0.L; /* To enable DLL writes */ - ssync; - - R1 = (((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / CONFIG_SCLK_DIV) / (CONSOLE_BAUD_RATE * 16)); - - p0.h = hi(UART_DLL); - p0.l = lo(UART_DLL); - r0 = 0xFF(Z); - r0 = R1 & R0; - w[p0] = r0.L; - ssync; - - p0.h = hi(UART_DLH); - p0.l = lo(UART_DLH); - r1 >>= 8 ; - w[p0] = r1.L; - ssync; - - p0.h = hi(UART_GCTL); - p0.l = lo(UART_GCTL); - r0 = 0x0(Z); - w[p0] = r0.L; /* To enable UART clock */ - ssync; - - p0.h = hi(UART_LCR); - p0.l = lo(UART_LCR); - r0 = 0x03(Z); - w[p0] = r0.L; /* To Turn on UART */ - ssync; - - p0.h = hi(UART_GCTL); - p0.l = lo(UART_GCTL); - r0 = 0x01(Z); - w[p0] = r0.L; /* To Turn on UART Clocks */ - ssync; - - P0.h = hi(UART_THR); - P0.l = lo(UART_THR); - P1.h = hi(UART_LSR); - P1.l = lo(UART_LSR); - - R0.L = 'K'; - call .Lwait_char; - R0.L='e'; - call .Lwait_char; - R0.L='r'; - call .Lwait_char; - R0.L='n' - call .Lwait_char; - R0.L='e' - call .Lwait_char; - R0.L='l'; - call .Lwait_char; - R0.L=' '; - call .Lwait_char; - R0.L='c'; - call .Lwait_char; - R0.L='r'; - call .Lwait_char; - R0.L='a'; - call .Lwait_char; - R0.L='s'; - call .Lwait_char; - R0.L='h'; - call .Lwait_char; - R0.L='\r'; - call .Lwait_char; - R0.L='\n'; - call .Lwait_char; - - R0.L='S'; - call .Lwait_char; - R0.L='E'; - call .Lwait_char; - R0.L='Q' - call .Lwait_char; - R0.L='S' - call .Lwait_char; - R0.L='T'; - call .Lwait_char; - R0.L='A'; - call .Lwait_char; - R0.L='T'; - call .Lwait_char; - R0.L='='; - call .Lwait_char; - R2 = SEQSTAT; - call .Ldump_reg; - - R0.L=' '; - call .Lwait_char; - R0.L='R'; - call .Lwait_char; - R0.L='E' - call .Lwait_char; - R0.L='T' - call .Lwait_char; - R0.L='X'; - call .Lwait_char; - R0.L='='; - call .Lwait_char; - R2 = RETX; - call .Ldump_reg; - - R0.L='\r'; - call .Lwait_char; - R0.L='\n'; - call .Lwait_char; - -.Ldebug_kernel_start_trap_done: - JUMP .Ldebug_kernel_start_trap_done; -.Ldump_reg: - R3 = 32; - R4 = 0x0F; - R5 = ':'; /* one past 9 */ - -.Ldump_reg2: - R0 = R2; - R3 += -4; - R0 >>>= R3; - R0 = R0 & R4; - R0 += 0x30; - CC = R0 <= R5; - if CC JUMP .Ldump_reg1; - R0 += 7; - -.Ldump_reg1: - R1.l = W[P1]; - CC = BITTST(R1, 5); - if !CC JUMP .Ldump_reg1; - W[P0] = r0; - - CC = R3 == 0; - if !CC JUMP .Ldump_reg2 - RTS; - -.Lwait_char: - R1.l = W[P1]; - CC = BITTST(R1, 5); - if !CC JUMP .Lwait_char; - W[P0] = r0; - RTS; - -#endif /* CONFIG_DEBUG_KERNEL_START */ - .data /* |