diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/ceiva.c | 64 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/common.c | 89 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/clps711x.h | 9 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/debug-macro.S | 8 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/hardware.h | 48 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/timex.h | 23 | ||||
| -rw-r--r-- | arch/arm/tools/mach-types | 1 |
10 files changed, 81 insertions, 170 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a11baed1c86e..c2f0b92c12a2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -384,6 +384,8 @@ config ARCH_CLPS711X bool "Cirrus Logic CLPS711x/EP721x/EP731x-based" select CPU_ARM720T select ARCH_USES_GETTIMEOFFSET + select COMMON_CLK + select CLKDEV_LOOKUP select NEED_MACH_MEMORY_H help Support for Cirrus Logic 711x/721x/731x based boards. diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig index ea036d621581..e6135363765a 100644 --- a/arch/arm/mach-clps711x/Kconfig +++ b/arch/arm/mach-clps711x/Kconfig @@ -16,12 +16,6 @@ config ARCH_CDB89712 The board includes 2 serial ports, Ethernet, IRDA, and expansion headers. It comes with 16 MB SDRAM and 8 MB flash ROM. -config ARCH_CEIVA - bool "CEIVA" - help - Say Y here if you intend to run this kernel on the Ceiva/Polaroid - PhotoMax Digital Picture Frame. - config ARCH_CLEP7312 bool "CLEP7312" help diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile index f2f0256232e3..aed9eb664499 100644 --- a/arch/arm/mach-clps711x/Makefile +++ b/arch/arm/mach-clps711x/Makefile @@ -9,7 +9,6 @@ obj-m := obj-n := obj- := -obj-$(CONFIG_ARCH_CEIVA) += ceiva.o obj-$(CONFIG_ARCH_AUTCPU12) += autcpu12.o obj-$(CONFIG_ARCH_CDB89712) += cdb89712.o obj-$(CONFIG_ARCH_CLEP7312) += clep7312.o diff --git a/arch/arm/mach-clps711x/ceiva.c b/arch/arm/mach-clps711x/ceiva.c deleted file mode 100644 index a70147e347ac..000000000000 --- a/arch/arm/mach-clps711x/ceiva.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * linux/arch/arm/mach-clps711x/arch-ceiva.c - * - * Copyright (C) 2002, Rob Scott <rscott@mtrob.fdns.net> - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/init.h> -#include <linux/types.h> -#include <linux/string.h> - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include <linux/kernel.h> - -#include <mach/hardware.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/sizes.h> - -#include <asm/mach/map.h> - -#include "common.h" - -static struct map_desc ceiva_io_desc[] __initdata = { - /* SED1355 controlled video RAM & registers */ - { - .virtual = CEIVA_VIRT_SED1355, - .pfn = __phys_to_pfn(CEIVA_PHYS_SED1355), - .length = SZ_2M, - .type = MT_DEVICE - } -}; - - -static void __init ceiva_map_io(void) -{ - clps711x_map_io(); - iotable_init(ceiva_io_desc, ARRAY_SIZE(ceiva_io_desc)); -} - - -MACHINE_START(CEIVA, "CEIVA/Polaroid Photo MAX Digital Picture Frame") - /* Maintainer: Rob Scott */ - .atag_offset = 0x100, - .map_io = ceiva_map_io, - .init_irq = clps711x_init_irq, - .timer = &clps711x_timer, - .restart = clps711x_restart, -MACHINE_END diff --git a/arch/arm/mach-clps711x/common.c b/arch/arm/mach-clps711x/common.c index f15293bd7974..509243d89a32 100644 --- a/arch/arm/mach-clps711x/common.c +++ b/arch/arm/mach-clps711x/common.c @@ -19,24 +19,25 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/kernel.h> -#include <linux/mm.h> +#include <linux/io.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <linux/io.h> #include <linux/irq.h> -#include <linux/sched.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> #include <asm/sizes.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/leds.h> -#include <asm/pgtable.h> -#include <asm/page.h> #include <asm/mach/map.h> #include <asm/mach/time.h> #include <asm/system_misc.h> +#include <mach/hardware.h> + +static struct clk *clk_pll, *clk_bus, *clk_uart, *clk_timerl, *clk_timerh, + *clk_tint, *clk_spi; +static unsigned long latch; + /* * This maps the generic CLPS711x registers */ @@ -166,8 +167,8 @@ void __init clps711x_init_irq(void) static unsigned long clps711x_gettimeoffset(void) { unsigned long hwticks; - hwticks = LATCH - (clps_readl(TC2D) & 0xffff); /* since last underflow */ - return (hwticks * (tick_nsec / 1000)) / LATCH; + hwticks = latch - (clps_readl(TC2D) & 0xffff); + return (hwticks * (tick_nsec / 1000)) / latch; } /* @@ -185,15 +186,71 @@ static struct irqaction clps711x_timer_irq = { .handler = p720t_timer_interrupt, }; +static void add_fixed_clk(struct clk *clk, const char *name, int rate) +{ + clk = clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); + clk_register_clkdev(clk, name, NULL); +} + static void __init clps711x_timer_init(void) { - unsigned int syscon; + int osc, ext, pll, cpu, bus, timl, timh, uart, spi; + u32 tmp; + + osc = 3686400; + ext = 13000000; + + tmp = clps_readl(PLLR) >> 24; + if (tmp) + pll = (osc * tmp) / 2; + else + pll = 73728000; /* Default value */ + + tmp = clps_readl(SYSFLG2); + if (tmp & SYSFLG2_CKMODE) { + cpu = ext; + bus = cpu; + spi = 135400; + } else { + cpu = pll; + if (cpu >= 36864000) + bus = cpu / 2; + else + bus = 36864000 / 2; + spi = cpu / 576; + } + + uart = bus / 10; + + if (tmp & SYSFLG2_CKMODE) { + tmp = clps_readl(SYSCON2); + if (tmp & SYSCON2_OSTB) + timh = ext / 26; + else + timh = 541440; + } else + timh = cpu / 144; + + timl = timh / 256; + + /* All clocks are fixed */ + add_fixed_clk(clk_pll, "pll", pll); + add_fixed_clk(clk_bus, "bus", bus); + add_fixed_clk(clk_uart, "uart", uart); + add_fixed_clk(clk_timerl, "timer_lf", timl); + add_fixed_clk(clk_timerh, "timer_hf", timh); + add_fixed_clk(clk_tint, "tint", 64); + add_fixed_clk(clk_spi, "spi", spi); + + pr_info("CPU frequency set at %i Hz.\n", cpu); + + latch = (timh + HZ / 2) / HZ; - syscon = clps_readl(SYSCON1); - syscon |= SYSCON1_TC2S | SYSCON1_TC2M; - clps_writel(syscon, SYSCON1); + tmp = clps_readl(SYSCON1); + tmp |= SYSCON1_TC2S | SYSCON1_TC2M; + clps_writel(tmp, SYSCON1); - clps_writel(LATCH-1, TC2D); /* 512kHz / 100Hz - 1 */ + clps_writel(latch - 1, TC2D); setup_irq(IRQ_TC2OI, &clps711x_timer_irq); } diff --git a/arch/arm/mach-clps711x/include/mach/clps711x.h b/arch/arm/mach-clps711x/include/mach/clps711x.h index 1dd806f2847e..c82e21ca49c7 100644 --- a/arch/arm/mach-clps711x/include/mach/clps711x.h +++ b/arch/arm/mach-clps711x/include/mach/clps711x.h @@ -31,8 +31,8 @@ #define PBDDR (0x0041) #define PCDDR (0x0042) #define PDDDR (0x0043) -#define PEDR (0x0080) -#define PEDDR (0x00c0) +#define PEDR (0x0083) +#define PEDDR (0x00c3) #define SYSCON1 (0x0100) #define SYSFLG1 (0x0140) #define MEMCFG1 (0x0180) @@ -77,7 +77,7 @@ #define KBDEOI (0x1700) #define DAIR (0x2000) -#define DAIR0 (0x2040) +#define DAIDR0 (0x2040) #define DAIDR1 (0x2080) #define DAIDR2 (0x20c0) #define DAISR (0x2100) @@ -191,8 +191,7 @@ #define UBRLCR_WRDLEN8 (3 << 17) #define UBRLCR_WRDLEN_MASK (3 << 17) -#define SYNCIO_FRMLEN(x) (((x) & 0x3f) << 7) -#define SYNCIO_CFGLEN(x) ((x) & 0x7f) +#define SYNCIO_FRMLEN(x) (((x) & 0x1f) << 8) #define SYNCIO_SMCKEN (1 << 13) #define SYNCIO_TXFRMEN (1 << 14) diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S index 118b3d930573..cb3684f8dae0 100644 --- a/arch/arm/mach-clps711x/include/mach/debug-macro.S +++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S @@ -28,17 +28,11 @@ .endm .macro waituart,rd,rx -1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx - tst \rd, #1 << 11 @ UBUSYx - bne 1001b .endm .macro busyuart,rd,rx - tst \rx, #0x1000 @ UART2 does not have CTS here - bne 1002f 1001: ldr \rd, [\rx, #0x0140] @ SYSFLGx - tst \rd, #1 << 8 @ CTS + tst \rd, #1 << 11 @ UBUSYx bne 1001b -1002: .endm diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h index 13a64fcd7dd1..8497775d6ee5 100644 --- a/arch/arm/mach-clps711x/include/mach/hardware.h +++ b/arch/arm/mach-clps711x/include/mach/hardware.h @@ -116,7 +116,6 @@ #endif /* CONFIG_ARCH_EDB7211 */ - /* * Relevant bits in port D, which controls power to the various parts of * the LCD on the EDB7211. @@ -125,51 +124,4 @@ #define EDB_PD2_LCDEN (1<<2) #define EDB_PD3_LCDBL (1<<3) - -#if defined (CONFIG_ARCH_CEIVA) - -/* - * The two flash banks are wired to chip selects 0 and 1. This is the mapping - * for them. - * - * nCS0 and nCS1 are at 0x70000000 and 0x60000000, respectively, when running - * in jumpered boot mode. - */ -#define CEIVA_PHYS_FLASH1 CS0_PHYS_BASE /* physical */ -#define CEIVA_PHYS_FLASH2 CS1_PHYS_BASE /* physical */ - -#define CEIVA_VIRT_FLASH1 (0xfa000000) /* virtual */ -#define CEIVA_VIRT_FLASH2 (0xfb000000) /* virtual */ - -#define CEIVA_FLASH_SIZE 0x100000 -#define CEIVA_FLASH_WIDTH 2 - -/* - * SED1355 LCD controller - */ -#define CEIVA_PHYS_SED1355 CS2_PHYS_BASE -#define CEIVA_VIRT_SED1355 (0xfc000000) - -/* - * Relevant bits in port D, which controls power to the various parts of - * the LCD on the Ceiva Photo Max, and reset to the LCD controller. - */ - -// Reset line to SED1355 (must be high to operate) -#define CEIVA_PD1_LCDRST (1<<1) -// LCD panel enable (set to one, to enable LCD) -#define CEIVA_PD4_LCDEN (1<<4) -// Backlight (set to one, to turn on backlight -#define CEIVA_PD5_LCDBL (1<<5) - -/* - * Relevant bits in port B, which report the status of the buttons. - */ - -// White button -#define CEIVA_PB4_WHT_BTN (1<<4) -// Black button -#define CEIVA_PB0_BLK_BTN (1<<0) -#endif // #if defined (CONFIG_ARCH_CEIVA) - #endif diff --git a/arch/arm/mach-clps711x/include/mach/timex.h b/arch/arm/mach-clps711x/include/mach/timex.h index ac8823ccff93..de6fd192d1c3 100644 --- a/arch/arm/mach-clps711x/include/mach/timex.h +++ b/arch/arm/mach-clps711x/include/mach/timex.h @@ -1,23 +1,2 @@ -/* - * arch/arm/mach-clps711x/include/mach/timex.h - * - * Prospector 720T architecture timex specifications - * - * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - +/* Bogus value */ #define CLOCK_TICK_RATE 512000 diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 2997e56ce0dd..ae87c5e3cbd2 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -66,7 +66,6 @@ iq80321 ARCH_IQ80321 IQ80321 169 ks8695 ARCH_KS8695 KS8695 180 karo ARCH_KARO KARO 190 smdk2410 ARCH_SMDK2410 SMDK2410 193 -ceiva ARCH_CEIVA CEIVA 200 voiceblue MACH_VOICEBLUE VOICEBLUE 218 h5400 ARCH_H5400 H5400 220 omap_innovator MACH_OMAP_INNOVATOR OMAP_INNOVATOR 234 |