[ARM] pxa: balloon3 (http://balloonboard.org/) base machine support

So, again against latest pxa-linux-2.6/devel, with the following
changes:

 * Move to __raw_readl/__raw_writel for FPGA/CPLD register access
 * Change Toppoly LCD config to be selectable at run time rather than
   compile time.
 * Remove currently unused irq device suspend/resume functions.
 * Strip out unnecessary/duplicated #includes.
 * Some code style cleanups.

Balloon3 (http://balloonboard.org/) base machine support

Signed-off-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

3 files changed, 145 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
new file mode 100644
index 000000000000..bfec09b1814b
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -0,0 +1,134 @@
+/*
+ *  linux/include/asm-arm/arch-pxa/balloon3.h
+ *
+ *  Authors:    Nick Bane and Wookey
+ *  Created:    Oct, 2005
+ *  Copyright:  Toby Churchill Ltd
+ *  Cribbed from mainstone.c, by Nicholas Pitre
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef ASM_ARCH_BALLOON3_H
+#define ASM_ARCH_BALLOON3_H
+
+enum balloon3_features {
+        BALLOON3_FEATURE_OHCI,
+        BALLOON3_FEATURE_MMC,
+        BALLOON3_FEATURE_CF,
+        BALLOON3_FEATURE_AUDIO,
+        BALLOON3_FEATURE_TOPPOLY,
+};
+
+#define BALLOON3_FPGA_PHYS      PXA_CS4_PHYS
+#define BALLOON3_FPGA_VIRT      (0xf1000000)    /* as per balloon2 */
+#define BALLOON3_FPGA_LENGTH    0x01000000
+
+/* FPGA/CPLD registers */
+#define BALLOON3_PCMCIA0_REG            (BALLOON3_FPGA_VIRT + 0x00e00008)
+/* fixme - same for now */
+#define BALLOON3_PCMCIA1_REG            (BALLOON3_FPGA_VIRT + 0x00e00008)
+#define BALLOON3_NANDIO_IO_REG          (BALLOON3_FPGA_VIRT + 0x00e00000)
+/* fpga/cpld interrupt control register */
+#define BALLOON3_INT_CONTROL_REG        (BALLOON3_FPGA_VIRT + 0x00e0000C)
+#define BALLOON3_NANDIO_CTL2_REG        (BALLOON3_FPGA_VIRT + 0x00e00010)
+#define BALLOON3_NANDIO_CTL_REG         (BALLOON3_FPGA_VIRT + 0x00e00014)
+#define BALLOON3_VERSION_REG            (BALLOON3_FPGA_VIRT + 0x00e0001c)
+
+#define BALLOON3_SAMOSA_ADDR_REG        (BALLOON3_FPGA_VIRT + 0x00c00000)
+#define BALLOON3_SAMOSA_DATA_REG        (BALLOON3_FPGA_VIRT + 0x00c00004)
+#define BALLOON3_SAMOSA_STATUS_REG      (BALLOON3_FPGA_VIRT + 0x00c0001c)
+
+/* GPIOs for irqs */
+#define BALLOON3_GPIO_AUX_NIRQ          (94)
+#define BALLOON3_GPIO_CODEC_IRQ         (95)
+
+/* Timer and Idle LED locations */
+#define BALLOON3_GPIO_LED_NAND          (9)
+#define BALLOON3_GPIO_LED_IDLE          (10)
+
+/* backlight control */
+#define BALLOON3_GPIO_RUN_BACKLIGHT     (99)
+
+#define BALLOON3_GPIO_S0_CD             (105)
+
+/* FPGA Interrupt Mask/Acknowledge Register */
+#define BALLOON3_INT_S0_IRQ             (1 << 0)  /* PCMCIA 0 IRQ */
+#define BALLOON3_INT_S0_STSCHG          (1 << 1)  /* PCMCIA 0 status changed */
+
+/* CF Status Register */
+#define BALLOON3_PCMCIA_nIRQ            (1 << 0)  /* IRQ / ready signal */
+#define BALLOON3_PCMCIA_nSTSCHG_BVD1    (1 << 1)
+                                        /* VDD sense / card status changed */
+
+/* CF control register (write) */
+#define BALLOON3_PCMCIA_RESET           (1 << 0)   /* Card reset signal */
+#define BALLOON3_PCMCIA_ENABLE          (1 << 1)
+#define BALLOON3_PCMCIA_ADD_ENABLE      (1 << 2)
+
+/* CPLD (and FPGA) interface definitions */
+#define CPLD_LCD0_DATA_SET             0x00
+#define CPLD_LCD0_DATA_CLR             0x10
+#define CPLD_LCD0_COMMAND_SET          0x01
+#define CPLD_LCD0_COMMAND_CLR          0x11
+#define CPLD_LCD1_DATA_SET             0x02
+#define CPLD_LCD1_DATA_CLR             0x12
+#define CPLD_LCD1_COMMAND_SET          0x03
+#define CPLD_LCD1_COMMAND_CLR          0x13
+
+#define CPLD_MISC_SET                  0x07
+#define CPLD_MISC_CLR                  0x17
+#define CPLD_MISC_LOON_NRESET_BIT      0
+#define CPLD_MISC_LOON_UNSUSP_BIT      1
+#define CPLD_MISC_RUN_5V_BIT           2
+#define CPLD_MISC_CHG_D0_BIT           3
+#define CPLD_MISC_CHG_D1_BIT           4
+#define CPLD_MISC_DAC_NCS_BIT          5
+
+#define CPLD_LCD_SET                   0x08
+#define CPLD_LCD_CLR                   0x18
+#define CPLD_LCD_BACKLIGHT_EN_0_BIT    0
+#define CPLD_LCD_BACKLIGHT_EN_1_BIT    1
+#define CPLD_LCD_LED_RED_BIT           4
+#define CPLD_LCD_LED_GREEN_BIT         5
+#define CPLD_LCD_NRESET_BIT            7
+
+#define CPLD_LCD_RO_SET                0x09
+#define CPLD_LCD_RO_CLR                0x19
+#define CPLD_LCD_RO_LCD0_nWAIT_BIT     0
+#define CPLD_LCD_RO_LCD1_nWAIT_BIT     1
+
+#define CPLD_SERIAL_SET                0x0a
+#define CPLD_SERIAL_CLR                0x1a
+#define CPLD_SERIAL_GSM_RI_BIT         0
+#define CPLD_SERIAL_GSM_CTS_BIT        1
+#define CPLD_SERIAL_GSM_DTR_BIT        2
+#define CPLD_SERIAL_LPR_CTS_BIT        3
+#define CPLD_SERIAL_TC232_CTS_BIT      4
+#define CPLD_SERIAL_TC232_DSR_BIT      5
+
+#define CPLD_SROUTING_SET              0x0b
+#define CPLD_SROUTING_CLR              0x1b
+#define CPLD_SROUTING_MSP430_LPR       0
+#define CPLD_SROUTING_MSP430_TC232     1
+#define CPLD_SROUTING_MSP430_GSM       2
+#define CPLD_SROUTING_LOON_LPR         (0 << 4)
+#define CPLD_SROUTING_LOON_TC232       (1 << 4)
+#define CPLD_SROUTING_LOON_GSM         (2 << 4)
+
+#define CPLD_AROUTING_SET              0x0c
+#define CPLD_AROUTING_CLR              0x1c
+#define CPLD_AROUTING_MIC2PHONE_BIT    0
+#define CPLD_AROUTING_PHONE2INT_BIT    1
+#define CPLD_AROUTING_PHONE2EXT_BIT    2
+#define CPLD_AROUTING_LOONL2INT_BIT    3
+#define CPLD_AROUTING_LOONL2EXT_BIT    4
+#define CPLD_AROUTING_LOONR2PHONE_BIT  5
+#define CPLD_AROUTING_LOONR2INT_BIT    6
+#define CPLD_AROUTING_LOONR2EXT_BIT    7
+
+extern int balloon3_has(enum balloon3_features feature);
+
+#endif
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 567204c3959b..3677a9af9c87 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -263,6 +263,16 @@
 #define MAINSTONE_S1_STSCHG_IRQ MAINSTONE_IRQ(14)
 #define MAINSTONE_S1_IRQ        MAINSTONE_IRQ(15)
 
+/* Balloon3 Interrupts */
+#define BALLOON3_IRQ(x)         (IRQ_BOARD_START + (x))
+
+#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
+#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
+
+#define BALLOON3_AUX_NIRQ       IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
+#define BALLOON3_CODEC_IRQ      IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
+#define BALLOON3_S0_CD_IRQ      IRQ_GPIO(BALLOON3_GPIO_S0_CD)
+
 /* LoCoMo Interrupts (CONFIG_SHARP_LOCOMO) */
 #define IRQ_LOCOMO_KEY_BASE     (IRQ_BOARD_START + 0)
 #define IRQ_LOCOMO_GPIO_BASE    (IRQ_BOARD_START + 1)
diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h
index b54749413e96..237734b5b1be 100644
--- a/arch/arm/mach-pxa/include/mach/uncompress.h
+++ b/arch/arm/mach-pxa/include/mach/uncompress.h
@@ -37,7 +37,7 @@ static inline void arch_decomp_setup(void)
 {
         if (machine_is_littleton() || machine_is_intelmote2()
             || machine_is_csb726() || machine_is_stargate2()
-            || machine_is_cm_x300())
+            || machine_is_cm_x300() || machine_is_balloon3())
                 UART = STUART;
 }