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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /arch/arm/mach-clps711x
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'arch/arm/mach-clps711x')
-rw-r--r--arch/arm/mach-clps711x/Kconfig6
-rw-r--r--arch/arm/mach-clps711x/Makefile3
-rw-r--r--arch/arm/mach-clps711x/ceiva.c64
-rw-r--r--arch/arm/mach-clps711x/common.c89
-rw-r--r--arch/arm/mach-clps711x/include/mach/clps711x.h9
-rw-r--r--arch/arm/mach-clps711x/include/mach/debug-macro.S8
-rw-r--r--arch/arm/mach-clps711x/include/mach/hardware.h48
-rw-r--r--arch/arm/mach-clps711x/include/mach/timex.h23
-rw-r--r--arch/arm/mach-clps711x/p720t-leds.c63
-rw-r--r--arch/arm/mach-clps711x/p720t.c62
10 files changed, 141 insertions, 234 deletions
diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index ea036d62158..e6135363765 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 f2f0256232e..6da6940b365 100644
--- a/arch/arm/mach-clps711x/Makefile
+++ b/arch/arm/mach-clps711x/Makefile
@@ -9,12 +9,9 @@ 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
obj-$(CONFIG_ARCH_EDB7211) += edb7211-arch.o edb7211-mm.o
obj-$(CONFIG_ARCH_FORTUNET) += fortunet.o
obj-$(CONFIG_ARCH_P720T) += p720t.o
-leds-$(CONFIG_ARCH_P720T) += p720t-leds.o
-obj-$(CONFIG_LEDS) += $(leds-y)
diff --git a/arch/arm/mach-clps711x/ceiva.c b/arch/arm/mach-clps711x/ceiva.c
deleted file mode 100644
index a70147e347a..00000000000
--- 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 f15293bd797..509243d89a3 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 1dd806f2847..c82e21ca49c 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 118b3d93057..cb3684f8dae 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 13a64fcd7dd..8497775d6ee 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 ac8823ccff9..de6fd192d1c 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/mach-clps711x/p720t-leds.c b/arch/arm/mach-clps711x/p720t-leds.c
deleted file mode 100644
index bbc449fbe14..00000000000
--- a/arch/arm/mach-clps711x/p720t-leds.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * linux/arch/arm/mach-clps711x/leds.c
- *
- * Integrator LED control routines
- *
- * 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
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/leds.h>
-#include <asm/mach-types.h>
-
-static void p720t_leds_event(led_event_t ledevt)
-{
- unsigned long flags;
- u32 pddr;
-
- local_irq_save(flags);
- switch(ledevt) {
- case led_idle_start:
- break;
-
- case led_idle_end:
- break;
-
- case led_timer:
- pddr = clps_readb(PDDR);
- clps_writeb(pddr ^ 1, PDDR);
- break;
-
- default:
- break;
- }
-
- local_irq_restore(flags);
-}
-
-static int __init leds_init(void)
-{
- if (machine_is_p720t())
- leds_event = p720t_leds_event;
-
- return 0;
-}
-
-arch_initcall(leds_init);
diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c
index f266d90b9ef..b752b586fc2 100644
--- a/arch/arm/mach-clps711x/p720t.c
+++ b/arch/arm/mach-clps711x/p720t.c
@@ -23,6 +23,8 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/leds.h>
#include <mach/hardware.h>
#include <asm/pgtable.h>
@@ -34,6 +36,8 @@
#include <asm/mach/map.h>
#include <mach/syspld.h>
+#include <asm/hardware/clps7111.h>
+
#include "common.h"
/*
@@ -107,6 +111,64 @@ static void __init p720t_init_early(void)
}
}
+/*
+ * LED controled by CPLD
+ */
+#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
+static void p720t_led_set(struct led_classdev *cdev,
+ enum led_brightness b)
+{
+ u8 reg = clps_readb(PDDR);
+
+ if (b != LED_OFF)
+ reg |= 0x1;
+ else
+ reg &= ~0x1;
+
+ clps_writeb(reg, PDDR);
+}
+
+static enum led_brightness p720t_led_get(struct led_classdev *cdev)
+{
+ u8 reg = clps_readb(PDDR);
+
+ return (reg & 0x1) ? LED_FULL : LED_OFF;
+}
+
+static int __init p720t_leds_init(void)
+{
+
+ struct led_classdev *cdev;
+ int ret;
+
+ if (!machine_is_p720t())
+ return -ENODEV;
+
+ cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+ if (!cdev)
+ return -ENOMEM;
+
+ cdev->name = "p720t:0";
+ cdev->brightness_set = p720t_led_set;
+ cdev->brightness_get = p720t_led_get;
+ cdev->default_trigger = "heartbeat";
+
+ ret = led_classdev_register(NULL, cdev);
+ if (ret < 0) {
+ kfree(cdev);
+ return ret;
+ }
+
+ return 0;
+}
+
+/*
+ * Since we may have triggers on any subsystem, defer registration
+ * until after subsystem_init.
+ */
+fs_initcall(p720t_leds_init);
+#endif
+
MACHINE_START(P720T, "ARM-Prospector720T")
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.atag_offset = 0x100,