diff options
Diffstat (limited to 'arch/mips/mti-sead3')
| -rw-r--r-- | arch/mips/mti-sead3/Makefile | 10 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/leds-sead3.c | 5 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-console.c | 4 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-display.c | 2 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-i2c-drv.c | 28 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-init.c | 5 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-memory.c | 138 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-net.c | 4 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-pic32-bus.c | 6 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-pic32-i2c-drv.c | 58 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-setup.c | 27 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3-time.c | 8 | ||||
| -rw-r--r-- | arch/mips/mti-sead3/sead3.dts | 26 |
13 files changed, 122 insertions, 199 deletions
diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile index 626afeac438..10ec701ce6c 100644 --- a/arch/mips/mti-sead3/Makefile +++ b/arch/mips/mti-sead3/Makefile @@ -5,10 +5,12 @@ # Copyright (C) 2008 Wind River Systems, Inc. # written by Ralf Baechle <ralf@linux-mips.org> # +# Copyright (C) 2012 MIPS Technoligies, Inc. All rights reserved. +# Steven J. Hill <sjhill@mips.com> +# obj-y := sead3-lcd.o sead3-cmdline.o \ sead3-display.o sead3-init.o sead3-int.o \ - sead3-mtd.o sead3-net.o \ - sead3-memory.o sead3-platform.o \ + sead3-mtd.o sead3-net.o sead3-platform.o \ sead3-reset.o sead3-setup.o sead3-time.o obj-y += sead3-i2c-dev.o sead3-i2c.o \ @@ -17,3 +19,7 @@ obj-y += sead3-i2c-dev.o sead3-i2c.o \ obj-$(CONFIG_EARLY_PRINTK) += sead3-console.o obj-$(CONFIG_USB_EHCI_HCD) += sead3-ehci.o +obj-$(CONFIG_OF) += sead3.dtb.o + +$(obj)/%.dtb: $(obj)/%.dts + $(call if_changed,dtc) diff --git a/arch/mips/mti-sead3/leds-sead3.c b/arch/mips/mti-sead3/leds-sead3.c index a95ac598520..322148c353e 100644 --- a/arch/mips/mti-sead3/leds-sead3.c +++ b/arch/mips/mti-sead3/leds-sead3.c @@ -33,12 +33,12 @@ static void sead3_fled_set(struct led_classdev *led_cdev, static struct led_classdev sead3_pled = { .name = "sead3::pled", - .brightness_set = sead3_pled_set, + .brightness_set = sead3_pled_set, }; static struct led_classdev sead3_fled = { .name = "sead3::fled", - .brightness_set = sead3_fled_set, + .brightness_set = sead3_fled_set, }; #ifdef CONFIG_PM @@ -125,4 +125,3 @@ module_exit(sead3_led_exit); MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>"); MODULE_DESCRIPTION("SEAD3 LED driver"); MODULE_LICENSE("GPL"); - diff --git a/arch/mips/mti-sead3/sead3-console.c b/arch/mips/mti-sead3/sead3-console.c index b36739108a0..2ddef19a9ad 100644 --- a/arch/mips/mti-sead3/sead3-console.c +++ b/arch/mips/mti-sead3/sead3-console.c @@ -10,8 +10,8 @@ #include <linux/serial_reg.h> #include <linux/io.h> -#define SEAD_UART1_REGS_BASE 0xbf000800 /* ttyS1 = DB9 port */ -#define SEAD_UART0_REGS_BASE 0xbf000900 /* ttyS0 = USB port */ +#define SEAD_UART1_REGS_BASE 0xbf000800 /* ttyS1 = DB9 port */ +#define SEAD_UART0_REGS_BASE 0xbf000900 /* ttyS0 = USB port */ #define PORT(base_addr, offset) ((unsigned int __iomem *)(base_addr+(offset)*4)) static char console_port = 1; diff --git a/arch/mips/mti-sead3/sead3-display.c b/arch/mips/mti-sead3/sead3-display.c index 8308c7fc188..e389326cfa4 100644 --- a/arch/mips/mti-sead3/sead3-display.c +++ b/arch/mips/mti-sead3/sead3-display.c @@ -21,7 +21,7 @@ static unsigned int max_display_count; #define LCD_SETDDRAM 0x80 #define LCD_IR_BF 0x80 -const char display_string[] = " LINUX ON SEAD3 "; +const char display_string[] = " LINUX ON SEAD3 "; static void scroll_display_message(unsigned long data); static DEFINE_TIMER(mips_scroll_timer, scroll_display_message, HZ, 0); diff --git a/arch/mips/mti-sead3/sead3-i2c-drv.c b/arch/mips/mti-sead3/sead3-i2c-drv.c index 7aa2225e75b..1f787a6a787 100644 --- a/arch/mips/mti-sead3/sead3-i2c-drv.c +++ b/arch/mips/mti-sead3/sead3-i2c-drv.c @@ -13,32 +13,32 @@ #include <linux/platform_device.h> #define PIC32_I2CxCON 0x0000 -#define PIC32_I2CCON_ON (1<<15) -#define PIC32_I2CCON_ACKDT (1<<5) -#define PIC32_I2CCON_ACKEN (1<<4) -#define PIC32_I2CCON_RCEN (1<<3) -#define PIC32_I2CCON_PEN (1<<2) -#define PIC32_I2CCON_RSEN (1<<1) -#define PIC32_I2CCON_SEN (1<<0) +#define PIC32_I2CCON_ON (1<<15) +#define PIC32_I2CCON_ACKDT (1<<5) +#define PIC32_I2CCON_ACKEN (1<<4) +#define PIC32_I2CCON_RCEN (1<<3) +#define PIC32_I2CCON_PEN (1<<2) +#define PIC32_I2CCON_RSEN (1<<1) +#define PIC32_I2CCON_SEN (1<<0) #define PIC32_I2CxCONCLR 0x0004 #define PIC32_I2CxCONSET 0x0008 #define PIC32_I2CxSTAT 0x0010 #define PIC32_I2CxSTATCLR 0x0014 -#define PIC32_I2CSTAT_ACKSTAT (1<<15) -#define PIC32_I2CSTAT_TRSTAT (1<<14) -#define PIC32_I2CSTAT_BCL (1<<10) -#define PIC32_I2CSTAT_IWCOL (1<<7) -#define PIC32_I2CSTAT_I2COV (1<<6) +#define PIC32_I2CSTAT_ACKSTAT (1<<15) +#define PIC32_I2CSTAT_TRSTAT (1<<14) +#define PIC32_I2CSTAT_BCL (1<<10) +#define PIC32_I2CSTAT_IWCOL (1<<7) +#define PIC32_I2CSTAT_I2COV (1<<6) #define PIC32_I2CxBRG 0x0040 #define PIC32_I2CxTRN 0x0050 #define PIC32_I2CxRCV 0x0060 static DEFINE_SPINLOCK(pic32_bus_lock); -static void __iomem *bus_xfer = (void __iomem *)0xbf000600; +static void __iomem *bus_xfer = (void __iomem *)0xbf000600; static void __iomem *bus_status = (void __iomem *)0xbf000060; -#define DELAY() udelay(100) +#define DELAY() udelay(100) static inline unsigned int ioready(void) { diff --git a/arch/mips/mti-sead3/sead3-init.c b/arch/mips/mti-sead3/sead3-init.c index a958cad6fff..f95abaa1aa5 100644 --- a/arch/mips/mti-sead3/sead3-init.c +++ b/arch/mips/mti-sead3/sead3-init.c @@ -77,7 +77,6 @@ void __init prom_init(void) board_ejtag_handler_setup = mips_ejtag_setup; prom_init_cmdline(); - prom_meminit(); #ifdef CONFIG_EARLY_PRINTK if ((strstr(prom_getcmdline(), "console=ttyS0")) != NULL) prom_init_early_console(0); @@ -89,3 +88,7 @@ void __init prom_init(void) strcat(prom_getcmdline(), " console=ttyS0,38400n8r"); #endif } + +void prom_free_prom_memory(void) +{ +} diff --git a/arch/mips/mti-sead3/sead3-memory.c b/arch/mips/mti-sead3/sead3-memory.c deleted file mode 100644 index da9244106f8..00000000000 --- a/arch/mips/mti-sead3/sead3-memory.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. - */ -#include <linux/bootmem.h> - -#include <asm/bootinfo.h> -#include <asm/sections.h> -#include <asm/mips-boards/prom.h> - -enum yamon_memtypes { - yamon_dontuse, - yamon_prom, - yamon_free, -}; - -static struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; - -/* determined physical memory size, not overridden by command line args */ -unsigned long physical_memsize = 0L; - -struct prom_pmemblock * __init prom_getmdesc(void) -{ - char *memsize_str, *ptr; - unsigned int memsize; - static char cmdline[COMMAND_LINE_SIZE] __initdata; - long val; - int tmp; - - /* otherwise look in the environment */ - memsize_str = prom_getenv("memsize"); - if (!memsize_str) { - pr_warn("memsize not set in boot prom, set to default 32Mb\n"); - physical_memsize = 0x02000000; - } else { - tmp = kstrtol(memsize_str, 0, &val); - physical_memsize = (unsigned long)val; - } - -#ifdef CONFIG_CPU_BIG_ENDIAN - /* SOC-it swaps, or perhaps doesn't swap, when DMA'ing the last - word of physical memory */ - physical_memsize -= PAGE_SIZE; -#endif - - /* Check the command line for a memsize directive that overrides - the physical/default amount */ - strcpy(cmdline, arcs_cmdline); - ptr = strstr(cmdline, "memsize="); - if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' ')) - ptr = strstr(ptr, " memsize="); - - if (ptr) - memsize = memparse(ptr + 8, &ptr); - else - memsize = physical_memsize; - - memset(mdesc, 0, sizeof(mdesc)); - - mdesc[0].type = yamon_dontuse; - mdesc[0].base = 0x00000000; - mdesc[0].size = 0x00001000; - - mdesc[1].type = yamon_prom; - mdesc[1].base = 0x00001000; - mdesc[1].size = 0x000ef000; - - /* - * The area 0x000f0000-0x000fffff is allocated for BIOS memory by the - * south bridge and PCI access always forwarded to the ISA Bus and - * BIOSCS# is always generated. - * This mean that this area can't be used as DMA memory for PCI - * devices. - */ - mdesc[2].type = yamon_dontuse; - mdesc[2].base = 0x000f0000; - mdesc[2].size = 0x00010000; - - mdesc[3].type = yamon_dontuse; - mdesc[3].base = 0x00100000; - mdesc[3].size = CPHYSADDR(PFN_ALIGN((unsigned long)&_end)) - - mdesc[3].base; - - mdesc[4].type = yamon_free; - mdesc[4].base = CPHYSADDR(PFN_ALIGN(&_end)); - mdesc[4].size = memsize - mdesc[4].base; - - return &mdesc[0]; -} - -static int __init prom_memtype_classify(unsigned int type) -{ - switch (type) { - case yamon_free: - return BOOT_MEM_RAM; - case yamon_prom: - return BOOT_MEM_ROM_DATA; - default: - return BOOT_MEM_RESERVED; - } -} - -void __init prom_meminit(void) -{ - struct prom_pmemblock *p; - - p = prom_getmdesc(); - - while (p->size) { - long type; - unsigned long base, size; - - type = prom_memtype_classify(p->type); - base = p->base; - size = p->size; - - add_memory_region(base, size, type); - p++; - } -} - -void __init prom_free_prom_memory(void) -{ - unsigned long addr; - int i; - - for (i = 0; i < boot_mem_map.nr_map; i++) { - if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) - continue; - - addr = boot_mem_map.map[i].addr; - free_init_pages("prom memory", - addr, addr + boot_mem_map.map[i].size); - } -} diff --git a/arch/mips/mti-sead3/sead3-net.c b/arch/mips/mti-sead3/sead3-net.c index 04d704df609..dd11e7eb771 100644 --- a/arch/mips/mti-sead3/sead3-net.c +++ b/arch/mips/mti-sead3/sead3-net.c @@ -19,8 +19,8 @@ static struct smsc911x_platform_config sead3_smsc911x_data = { struct resource sead3_net_resourcess[] = { { - .start = 0x1f010000, - .end = 0x1f01ffff, + .start = 0x1f010000, + .end = 0x1f01ffff, .flags = IORESOURCE_MEM }, { diff --git a/arch/mips/mti-sead3/sead3-pic32-bus.c b/arch/mips/mti-sead3/sead3-pic32-bus.c index 9f0d89bc800..eb2bf936d10 100644 --- a/arch/mips/mti-sead3/sead3-pic32-bus.c +++ b/arch/mips/mti-sead3/sead3-pic32-bus.c @@ -17,16 +17,16 @@ #define PIC32_SYSRD 0x02 #define PIC32_WR 0x10 #define PIC32_SYSWR 0x20 -#define PIC32_IRQ_CLR 0x40 +#define PIC32_IRQ_CLR 0x40 #define PIC32_STATUS 0x80 -#define DELAY() udelay(100) /* FIXME: needed? */ +#define DELAY() udelay(100) /* FIXME: needed? */ /* spinlock to ensure atomic access to PIC32 */ static DEFINE_SPINLOCK(pic32_bus_lock); /* FIXME: io_remap these */ -static void __iomem *bus_xfer = (void __iomem *)0xbf000600; +static void __iomem *bus_xfer = (void __iomem *)0xbf000600; static void __iomem *bus_status = (void __iomem *)0xbf000060; static inline unsigned int ioready(void) diff --git a/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c b/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c index 514675ed0cd..b921e5ec507 100644 --- a/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c +++ b/arch/mips/mti-sead3/sead3-pic32-i2c-drv.c @@ -19,40 +19,40 @@ #define PIC32_I2CxCONCLR 0x0004 #define PIC32_I2CxCONSET 0x0008 #define PIC32_I2CxCONINV 0x000C -#define I2CCON_ON (1<<15) -#define I2CCON_FRZ (1<<14) -#define I2CCON_SIDL (1<<13) -#define I2CCON_SCLREL (1<<12) -#define I2CCON_STRICT (1<<11) -#define I2CCON_A10M (1<<10) -#define I2CCON_DISSLW (1<<9) -#define I2CCON_SMEN (1<<8) -#define I2CCON_GCEN (1<<7) -#define I2CCON_STREN (1<<6) -#define I2CCON_ACKDT (1<<5) -#define I2CCON_ACKEN (1<<4) -#define I2CCON_RCEN (1<<3) -#define I2CCON_PEN (1<<2) -#define I2CCON_RSEN (1<<1) -#define I2CCON_SEN (1<<0) +#define I2CCON_ON (1<<15) +#define I2CCON_FRZ (1<<14) +#define I2CCON_SIDL (1<<13) +#define I2CCON_SCLREL (1<<12) +#define I2CCON_STRICT (1<<11) +#define I2CCON_A10M (1<<10) +#define I2CCON_DISSLW (1<<9) +#define I2CCON_SMEN (1<<8) +#define I2CCON_GCEN (1<<7) +#define I2CCON_STREN (1<<6) +#define I2CCON_ACKDT (1<<5) +#define I2CCON_ACKEN (1<<4) +#define I2CCON_RCEN (1<<3) +#define I2CCON_PEN (1<<2) +#define I2CCON_RSEN (1<<1) +#define I2CCON_SEN (1<<0) #define PIC32_I2CxSTAT 0x0010 #define PIC32_I2CxSTATCLR 0x0014 #define PIC32_I2CxSTATSET 0x0018 #define PIC32_I2CxSTATINV 0x001C -#define I2CSTAT_ACKSTAT (1<<15) -#define I2CSTAT_TRSTAT (1<<14) -#define I2CSTAT_BCL (1<<10) -#define I2CSTAT_GCSTAT (1<<9) -#define I2CSTAT_ADD10 (1<<8) -#define I2CSTAT_IWCOL (1<<7) -#define I2CSTAT_I2COV (1<<6) -#define I2CSTAT_DA (1<<5) -#define I2CSTAT_P (1<<4) -#define I2CSTAT_S (1<<3) -#define I2CSTAT_RW (1<<2) -#define I2CSTAT_RBF (1<<1) -#define I2CSTAT_TBF (1<<0) +#define I2CSTAT_ACKSTAT (1<<15) +#define I2CSTAT_TRSTAT (1<<14) +#define I2CSTAT_BCL (1<<10) +#define I2CSTAT_GCSTAT (1<<9) +#define I2CSTAT_ADD10 (1<<8) +#define I2CSTAT_IWCOL (1<<7) +#define I2CSTAT_I2COV (1<<6) +#define I2CSTAT_DA (1<<5) +#define I2CSTAT_P (1<<4) +#define I2CSTAT_S (1<<3) +#define I2CSTAT_RW (1<<2) +#define I2CSTAT_RBF (1<<1) +#define I2CSTAT_TBF (1<<0) #define PIC32_I2CxADD 0x0020 #define PIC32_I2CxADDCLR 0x0024 diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c index 8ad46ad31b4..f012fd164ce 100644 --- a/arch/mips/mti-sead3/sead3-setup.c +++ b/arch/mips/mti-sead3/sead3-setup.c @@ -6,6 +6,12 @@ * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. */ #include <linux/init.h> +#include <linux/of_platform.h> +#include <linux/of_fdt.h> +#include <linux/bootmem.h> + +#include <asm/mips-boards/generic.h> +#include <asm/prom.h> int coherentio; /* 0 => no DMA cache coherency (may be set by user) */ int hw_coherentio; /* 0 => no HW DMA cache coherency (reflects real HW) */ @@ -17,4 +23,25 @@ const char *get_system_type(void) void __init plat_mem_setup(void) { + /* + * Load the builtin devicetree. This causes the chosen node to be + * parsed resulting in our memory appearing + */ + __dt_setup_arch(&__dtb_start); +} + +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_bootmem(base, size, BOOTMEM_DEFAULT); + + unflatten_device_tree(); } diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c index 048e781a17a..239e4e32757 100644 --- a/arch/mips/mti-sead3/sead3-time.c +++ b/arch/mips/mti-sead3/sead3-time.c @@ -43,11 +43,11 @@ static unsigned int __init estimate_cpu_frequency(void) local_irq_save(flags); - orig = readl(status_reg) & 0x2; /* get original sample */ + orig = readl(status_reg) & 0x2; /* get original sample */ /* wait for transition */ while ((readl(status_reg) & 0x2) == orig) ; - orig = orig ^ 0x2; /* flip the bit */ + orig = orig ^ 0x2; /* flip the bit */ write_c0_count(0); @@ -56,7 +56,7 @@ static unsigned int __init estimate_cpu_frequency(void) /* wait for transition */ while ((readl(status_reg) & 0x2) == orig) ; - orig = orig ^ 0x2; /* flip the bit */ + orig = orig ^ 0x2; /* flip the bit */ tick++; } @@ -71,7 +71,7 @@ static unsigned int __init estimate_cpu_frequency(void) (prid != (PRID_COMP_MIPS | PRID_IMP_25KF))) freq *= 2; - freq += 5000; /* rounding */ + freq += 5000; /* rounding */ freq -= freq%10000; return freq ; diff --git a/arch/mips/mti-sead3/sead3.dts b/arch/mips/mti-sead3/sead3.dts new file mode 100644 index 00000000000..658f4378705 --- /dev/null +++ b/arch/mips/mti-sead3/sead3.dts @@ -0,0 +1,26 @@ +/dts-v1/; + +/memreserve/ 0x00000000 0x00001000; // reserved +/memreserve/ 0x00001000 0x000ef000; // ROM data +/memreserve/ 0x000f0000 0x004cc000; // reserved + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mti,sead-3"; + + cpus { + cpu@0 { + compatible = "mti,mips14KEc", "mti,mips14Kc"; + }; + }; + + chosen { + bootargs = "console=ttyS1,38400 rootdelay=10 root=/dev/sda3"; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x08000000>; + }; +}; |