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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/Kconfig.debug16
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/boot/dts/Makefile3
-rw-r--r--arch/arm/boot/dts/nspire-classic.dtsi74
-rw-r--r--arch/arm/boot/dts/nspire-clp.dts45
-rw-r--r--arch/arm/boot/dts/nspire-cx.dts112
-rw-r--r--arch/arm/boot/dts/nspire-tp.dts44
-rw-r--r--arch/arm/boot/dts/nspire.dtsi175
-rw-r--r--arch/arm/include/debug/nspire.S28
-rw-r--r--arch/arm/mach-nspire/Kconfig16
-rw-r--r--arch/arm/mach-nspire/Makefile2
-rw-r--r--arch/arm/mach-nspire/Makefile.boot0
-rw-r--r--arch/arm/mach-nspire/clcd.c119
-rw-r--r--arch/arm/mach-nspire/clcd.h14
-rw-r--r--arch/arm/mach-nspire/mmio.h20
-rw-r--r--arch/arm/mach-nspire/nspire.c89
17 files changed, 760 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index dfb4fee1f552..aa27704be4e4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -964,6 +964,8 @@ source "arch/arm/mach-netx/Kconfig"
source "arch/arm/mach-nomadik/Kconfig"
+source "arch/arm/mach-nspire/Kconfig"
+
source "arch/arm/plat-omap/Kconfig"
source "arch/arm/mach-omap1/Kconfig"
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1d41908d5cda..fe079417daa2 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -309,6 +309,20 @@ choice
Say Y here if you want kernel low-level debugging support
on MVEBU based platforms.
+ config DEBUG_NSPIRE_CLASSIC_UART
+ bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
+ depends on ARCH_NSPIRE
+ help
+ Say Y here if you want kernel low-level debugging support
+ on TI-NSPIRE classic models.
+
+ config DEBUG_NSPIRE_CX_UART
+ bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
+ depends on ARCH_NSPIRE
+ help
+ Say Y here if you want kernel low-level debugging support
+ on TI-NSPIRE CX models.
+
config DEBUG_NOMADIK_UART
bool "Kernel low-level debugging messages via NOMADIK UART"
depends on ARCH_NOMADIK
@@ -633,6 +647,8 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART
default "debug/mvebu.S" if DEBUG_MVEBU_UART
+ default "debug/nspire.S" if DEBUG_NSPIRE_CX_UART || \
+ DEBUG_NSPIRE_CLASSIC_UART
default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART
default "debug/nomadik.S" if DEBUG_NOMADIK_UART
default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 1ba358ba16b8..b4615aa9bf7a 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -164,6 +164,7 @@ machine-$(CONFIG_ARCH_MXS) += mxs
machine-$(CONFIG_ARCH_MVEBU) += mvebu
machine-$(CONFIG_ARCH_NETX) += netx
machine-$(CONFIG_ARCH_NOMADIK) += nomadik
+machine-$(CONFIG_ARCH_NSPIRE) += nspire
machine-$(CONFIG_ARCH_OMAP1) += omap1
machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2
machine-$(CONFIG_ARCH_ORION5X) += orion5x
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 13575103594d..60404661585d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -136,6 +136,9 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
imx28-sps1.dtb \
imx28-tx28.dtb
dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb
+dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \
+ nspire-tp.dtb \
+ nspire-clp.dtb
dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
omap3430-sdp.dtb \
omap3-beagle.dtb \
diff --git a/arch/arm/boot/dts/nspire-classic.dtsi b/arch/arm/boot/dts/nspire-classic.dtsi
new file mode 100644
index 000000000000..9565199bce7a
--- /dev/null
+++ b/arch/arm/boot/dts/nspire-classic.dtsi
@@ -0,0 +1,74 @@
+/*
+ * linux/arch/arm/boot/nspire-classic.dts
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+/include/ "nspire.dtsi"
+
+&lcd {
+ lcd-type = "classic";
+};
+
+&fast_timer {
+ /* compatible = "lsi,zevio-timer"; */
+ reg = <0x90010000 0x1000>, <0x900A0010 0x8>;
+};
+
+&uart {
+ compatible = "ns16550";
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&apb_pclk>;
+ no-loopback-test;
+};
+
+&timer0 {
+ /* compatible = "lsi,zevio-timer"; */
+ reg = <0x900C0000 0x1000>, <0x900A0018 0x8>;
+};
+
+&timer1 {
+ compatible = "lsi,zevio-timer";
+ reg = <0x900D0000 0x1000>, <0x900A0020 0x8>;
+};
+
+&keypad {
+ active-low;
+
+};
+
+&base_clk {
+ compatible = "lsi,nspire-classic-clock";
+};
+
+&ahb_clk {
+ compatible = "lsi,nspire-classic-ahb-divider";
+};
+
+/ {
+ memory {
+ device_type = "memory";
+ reg = <0x10000000 0x2000000>; /* 32 MB */
+ };
+
+ ahb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ intc: interrupt-controller@DC000000 {
+ compatible = "lsi,zevio-intc";
+ interrupt-controller;
+ reg = <0xDC000000 0x1000>;
+ #interrupt-cells = <1>;
+ };
+ };
+ chosen {
+ bootargs = "debug earlyprintk console=tty0 console=ttyS0,115200n8 root=/dev/ram0";
+ };
+};
diff --git a/arch/arm/boot/dts/nspire-clp.dts b/arch/arm/boot/dts/nspire-clp.dts
new file mode 100644
index 000000000000..fa5a044656de
--- /dev/null
+++ b/arch/arm/boot/dts/nspire-clp.dts
@@ -0,0 +1,45 @@
+/*
+ * linux/arch/arm/boot/nspire-clp.dts
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+/dts-v1/;
+
+/include/ "nspire-classic.dtsi"
+
+&keypad {
+ linux,keymap = <
+ 0x0000001c 0x0001001c 0x00020039
+ 0x0004002c 0x00050034 0x00060015
+ 0x0007000b 0x0008002d 0x01000033
+ 0x0101004e 0x01020011 0x01030004
+ 0x0104002f 0x01050003 0x01060016
+ 0x01070002 0x01080014 0x02000062
+ 0x0201000c 0x0202001f 0x02030007
+ 0x02040013 0x02050006 0x02060010
+ 0x02070005 0x02080019 0x03000027
+ 0x03010037 0x03020018 0x0303000a
+ 0x03040031 0x03050009 0x03060032
+ 0x03070008 0x03080026 0x04000028
+ 0x04010035 0x04020025 0x04040024
+ 0x04060017 0x04080023 0x05000028
+ 0x05020022 0x0503001b 0x05040021
+ 0x0505001a 0x05060012 0x0507006f
+ 0x05080020 0x0509002a 0x0601001c
+ 0x0602002e 0x06030068 0x06040030
+ 0x0605006d 0x0606001e 0x06070001
+ 0x0608002b 0x0609000f 0x07000067
+ 0x0702006a 0x0704006c 0x07060069
+ 0x0707000e 0x0708001d 0x070a000d
+ >;
+};
+
+/ {
+ model = "TI-NSPIRE Clickpad";
+ compatible = "ti,nspire-clp";
+};
diff --git a/arch/arm/boot/dts/nspire-cx.dts b/arch/arm/boot/dts/nspire-cx.dts
new file mode 100644
index 000000000000..375b924f60d8
--- /dev/null
+++ b/arch/arm/boot/dts/nspire-cx.dts
@@ -0,0 +1,112 @@
+/*
+ * linux/arch/arm/boot/nspire-cx.dts
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+/dts-v1/;
+
+/include/ "nspire.dtsi"
+
+&lcd {
+ lcd-type = "cx";
+};
+
+&fast_timer {
+ /* compatible = "arm,sp804", "arm,primecell"; */
+};
+
+&uart {
+ compatible = "arm,pl011", "arm,primecell";
+
+ clocks = <&uart_clk>, <&apb_pclk>;
+ clock-names = "uart_clk", "apb_pclk";
+};
+
+&timer0 {
+ compatible = "arm,sp804", "arm,primecell";
+};
+
+&timer1 {
+ compatible = "arm,sp804", "arm,primecell";
+};
+
+&base_clk {
+ compatible = "lsi,nspire-cx-clock";
+};
+
+&ahb_clk {
+ compatible = "lsi,nspire-cx-ahb-divider";
+};
+
+&keypad {
+ linux,keymap = <
+ 0x0000001c 0x0001001c 0x00040039
+ 0x0005002c 0x00060015 0x0007000b
+ 0x0008000f 0x0100002d 0x01010011
+ 0x0102002f 0x01030004 0x01040016
+ 0x01050014 0x0106001f 0x01070002
+ 0x010a006a 0x02000013 0x02010010
+ 0x02020019 0x02030007 0x02040018
+ 0x02050031 0x02060032 0x02070005
+ 0x02080028 0x0209006c 0x03000026
+ 0x03010025 0x03020024 0x0303000a
+ 0x03040017 0x03050023 0x03060022
+ 0x03070008 0x03080035 0x03090069
+ 0x04000021 0x04010012 0x04020020
+ 0x0404002e 0x04050030 0x0406001e
+ 0x0407000d 0x04080037 0x04090067
+ 0x05010038 0x0502000c 0x0503001b
+ 0x05040034 0x0505001a 0x05060006
+ 0x05080027 0x0509000e 0x050a006f
+ 0x0600002b 0x0602004e 0x06030068
+ 0x06040003 0x0605006d 0x06060009
+ 0x06070001 0x0609000f 0x0708002a
+ 0x0709001d 0x070a0033 >;
+};
+
+/ {
+ model = "TI-NSPIRE CX";
+ compatible = "ti,nspire-cx";
+
+ memory {
+ device_type = "memory";
+ reg = <0x10000000 0x4000000>; /* 64 MB */
+ };
+
+ uart_clk: uart_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <12000000>;
+ };
+
+ ahb {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ intc: interrupt-controller@DC000000 {
+ compatible = "arm,pl190-vic";
+ interrupt-controller;
+ reg = <0xDC000000 0x1000>;
+ #interrupt-cells = <1>;
+ };
+
+ apb@90000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ i2c@90050000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x90050000 0x1000>;
+ interrupts = <20>;
+ };
+ };
+ };
+ chosen {
+ bootargs = "debug earlyprintk console=tty0 console=ttyAMA0,115200n8 root=/dev/ram0";
+ };
+};
diff --git a/arch/arm/boot/dts/nspire-tp.dts b/arch/arm/boot/dts/nspire-tp.dts
new file mode 100644
index 000000000000..621391ce6ed6
--- /dev/null
+++ b/arch/arm/boot/dts/nspire-tp.dts
@@ -0,0 +1,44 @@
+/*
+ * linux/arch/arm/boot/nspire-tp.dts
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+/dts-v1/;
+
+/include/ "nspire-classic.dtsi"
+
+&keypad {
+ linux,keymap = <
+ 0x0000001c 0x0001001c 0x00040039
+ 0x0005002c 0x00060015 0x0007000b
+ 0x0008000f 0x0100002d 0x01010011
+ 0x0102002f 0x01030004 0x01040016
+ 0x01050014 0x0106001f 0x01070002
+ 0x010a006a 0x02000013 0x02010010
+ 0x02020019 0x02030007 0x02040018
+ 0x02050031 0x02060032 0x02070005
+ 0x02080028 0x0209006c 0x03000026
+ 0x03010025 0x03020024 0x0303000a
+ 0x03040017 0x03050023 0x03060022
+ 0x03070008 0x03080035 0x03090069
+ 0x04000021 0x04010012 0x04020020
+ 0x0404002e 0x04050030 0x0406001e
+ 0x0407000d 0x04080037 0x04090067
+ 0x05010038 0x0502000c 0x0503001b
+ 0x05040034 0x0505001a 0x05060006
+ 0x05080027 0x0509000e 0x050a006f
+ 0x0600002b 0x0602004e 0x06030068
+ 0x06040003 0x0605006d 0x06060009
+ 0x06070001 0x0609000f 0x0708002a
+ 0x0709001d 0x070a0033 >;
+};
+
+/ {
+ model = "TI-NSPIRE Touchpad";
+ compatible = "ti,nspire-tp";
+};
diff --git a/arch/arm/boot/dts/nspire.dtsi b/arch/arm/boot/dts/nspire.dtsi
new file mode 100644
index 000000000000..a22ffe633b49
--- /dev/null
+++ b/arch/arm/boot/dts/nspire.dtsi
@@ -0,0 +1,175 @@
+/*
+ * linux/arch/arm/boot/nspire.dtsi
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ interrupt-parent = <&intc>;
+
+ cpus {
+ cpu@0 {
+ compatible = "arm,arm926ejs";
+ };
+ };
+
+ bootrom: bootrom@00000000 {
+ reg = <0x00000000 0x80000>;
+ };
+
+ sram: sram@A4000000 {
+ device = "memory";
+ reg = <0xA4000000 0x20000>;
+ };
+
+ timer_clk: timer_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ base_clk: base_clk {
+ #clock-cells = <0>;
+ reg = <0x900B0024 0x4>;
+ };
+
+ ahb_clk: ahb_clk {
+ #clock-cells = <0>;
+ reg = <0x900B0024 0x4>;
+ clocks = <&base_clk>;
+ };
+
+ apb_pclk: apb_pclk {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clock-div = <2>;
+ clock-mult = <1>;
+ clocks = <&ahb_clk>;
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ spi: spi@A9000000 {
+ reg = <0xA9000000 0x1000>;
+ };
+
+ usb0: usb@B0000000 {
+ reg = <0xB0000000 0x1000>;
+ interrupts = <8>;
+ };
+
+ usb1: usb@B4000000 {
+ reg = <0xB4000000 0x1000>;
+ interrupts = <9>;
+ status = "disabled";
+ };
+
+ lcd: lcd@C0000000 {
+ compatible = "arm,pl111", "arm,primecell";
+ reg = <0xC0000000 0x1000>;
+ interrupts = <21>;
+
+ clocks = <&apb_pclk>;
+ clock-names = "apb_pclk";
+ };
+
+ adc: adc@C4000000 {
+ reg = <0xC4000000 0x1000>;
+ interrupts = <11>;
+ };
+
+ tdes: crypto@C8010000 {
+ reg = <0xC8010000 0x1000>;
+ };
+
+ sha256: crypto@CC000000 {
+ reg = <0xCC000000 0x1000>;
+ };
+
+ apb@90000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ clock-ranges;
+ ranges;
+
+ gpio: gpio@90000000 {
+ reg = <0x90000000 0x1000>;
+ interrupts = <7>;
+ };
+
+ fast_timer: timer@90010000 {
+ reg = <0x90010000 0x1000>;
+ interrupts = <17>;
+ };
+
+ uart: serial@90020000 {
+ reg = <0x90020000 0x1000>;
+ interrupts = <1>;
+ };
+
+ timer0: timer@900C0000 {
+ reg = <0x900C0000 0x1000>;
+
+ clocks = <&timer_clk>;
+ };
+
+ timer1: timer@900D0000 {
+ reg = <0x900D0000 0x1000>;
+ interrupts = <19>;
+
+ clocks = <&timer_clk>;
+ };
+
+ watchdog: watchdog@90060000 {
+ compatible = "arm,amba-primecell";
+ reg = <0x90060000 0x1000>;
+ interrupts = <3>;
+ };
+
+ rtc: rtc@90090000 {
+ reg = <0x90090000 0x1000>;
+ interrupts = <4>;
+ };
+
+ misc: misc@900A0000 {
+ reg = <0x900A0000 0x1000>;
+ };
+
+ pwr: pwr@900B0000 {
+ reg = <0x900B0000 0x1000>;
+ interrupts = <15>;
+ };
+
+ keypad: input@900E0000 {
+ compatible = "ti,nspire-keypad";
+ reg = <0x900E0000 0x1000>;
+ interrupts = <16>;
+
+ scan-interval = <1000>;
+ row-delay = <200>;
+
+ clocks = <&apb_pclk>;
+ };
+
+ contrast: contrast@900F0000 {
+ reg = <0x900F0000 0x1000>;
+ };
+
+ led: led@90110000 {
+ reg = <0x90110000 0x1000>;
+ };
+ };
+ };
+};
diff --git a/arch/arm/include/debug/nspire.S b/arch/arm/include/debug/nspire.S
new file mode 100644
index 000000000000..886fd276fcbc
--- /dev/null
+++ b/arch/arm/include/debug/nspire.S
@@ -0,0 +1,28 @@
+/*
+ * linux/arch/arm/include/debug/nspire.S
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+#define NSPIRE_EARLY_UART_PHYS_BASE 0x90020000
+#define NSPIRE_EARLY_UART_VIRT_BASE 0xfee20000
+
+.macro addruart, rp, rv, tmp
+ ldr \rp, =(NSPIRE_EARLY_UART_PHYS_BASE) @ physical base address
+ ldr \rv, =(NSPIRE_EARLY_UART_VIRT_BASE) @ virtual base address
+.endm
+
+
+#ifdef CONFIG_DEBUG_NSPIRE_CX_UART
+#include <asm/hardware/debug-pl01x.S>
+#endif
+
+#ifdef CONFIG_DEBUG_NSPIRE_CLASSIC_UART
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
+#endif
diff --git a/arch/arm/mach-nspire/Kconfig b/arch/arm/mach-nspire/Kconfig
new file mode 100644
index 000000000000..59d8f0a70919
--- /dev/null
+++ b/arch/arm/mach-nspire/Kconfig
@@ -0,0 +1,16 @@
+config ARCH_NSPIRE
+ bool "TI-NSPIRE based"
+ depends on ARCH_MULTI_V4_V5
+ depends on MMU
+ select CPU_ARM926T
+ select COMMON_CLK
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_IRQ_CHIP
+ select SPARSE_IRQ
+ select ARM_AMBA
+ select ARM_VIC
+ select ARM_TIMER_SP804
+ select USE_OF
+ select CLKSRC_OF
+ help
+ This enables support for systems using the TI-NSPIRE CPU
diff --git a/arch/arm/mach-nspire/Makefile b/arch/arm/mach-nspire/Makefile
new file mode 100644
index 000000000000..1bec256eba07
--- /dev/null
+++ b/arch/arm/mach-nspire/Makefile
@@ -0,0 +1,2 @@
+obj-y += nspire.o
+obj-y += clcd.o
diff --git a/arch/arm/mach-nspire/Makefile.boot b/arch/arm/mach-nspire/Makefile.boot
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/arch/arm/mach-nspire/Makefile.boot
diff --git a/arch/arm/mach-nspire/clcd.c b/arch/arm/mach-nspire/clcd.c
new file mode 100644
index 000000000000..abea12617b17
--- /dev/null
+++ b/arch/arm/mach-nspire/clcd.c
@@ -0,0 +1,119 @@
+/*
+ * linux/arch/arm/mach-nspire/clcd.c
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/dma-mapping.h>
+
+static struct clcd_panel nspire_cx_lcd_panel = {
+ .mode = {
+ .name = "Color LCD",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 240,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ .pixclock = 1,
+ .hsync_len = 6,
+ .vsync_len = 1,
+ .right_margin = 50,
+ .left_margin = 38,
+ .lower_margin = 3,
+ .upper_margin = 17,
+ },
+ .width = 65, /* ~6.50 cm */
+ .height = 49, /* ~4.87 cm */
+ .tim2 = TIM2_IPC,
+ .cntl = CNTL_LCDTFT | CNTL_LCDVCOMP(1),
+ .bpp = 16,
+ .caps = CLCD_CAP_565,
+};
+
+static struct clcd_panel nspire_classic_lcd_panel = {
+ .mode = {
+ .name = "Grayscale LCD",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 240,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED,
+ .pixclock = 1,
+ .hsync_len = 6,
+ .vsync_len = 1,
+ .right_margin = 6,
+ .left_margin = 6,
+ },
+ .width = 71, /* 7.11cm */
+ .height = 53, /* 5.33cm */
+ .tim2 = 0x80007d0,
+ .cntl = CNTL_LCDMONO8,
+ .bpp = 8,
+ .grayscale = 1,
+ .caps = CLCD_CAP_5551,
+};
+
+int nspire_clcd_setup(struct clcd_fb *fb)
+{
+ struct clcd_panel *panel;
+ size_t panel_size;
+ const char *type;
+ dma_addr_t dma;
+ int err;
+
+ BUG_ON(!fb->dev->dev.of_node);
+
+ err = of_property_read_string(fb->dev->dev.of_node, "lcd-type", &type);
+ if (err) {
+ pr_err("CLCD: Could not find lcd-type property\n");
+ return err;
+ }
+
+ if (!strcmp(type, "cx")) {
+ panel = &nspire_cx_lcd_panel;
+ } else if (!strcmp(type, "classic")) {
+ panel = &nspire_classic_lcd_panel;
+ } else {
+ pr_err("CLCD: Unknown lcd-type %s\n", type);
+ return -EINVAL;
+ }
+
+ panel_size = ((panel->mode.xres * panel->mode.yres) * panel->bpp) / 8;
+ panel_size = ALIGN(panel_size, PAGE_SIZE);
+
+ fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev,
+ panel_size, &dma, GFP_KERNEL);
+
+ if (!fb->fb.screen_base) {
+ pr_err("CLCD: unable to map framebuffer\n");
+ return -ENOMEM;
+ }
+
+ fb->fb.fix.smem_start = dma;
+ fb->fb.fix.smem_len = panel_size;
+ fb->panel = panel;
+
+ return 0;
+}
+
+int nspire_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+ return dma_mmap_writecombine(&fb->dev->dev, vma,
+ fb->fb.screen_base, fb->fb.fix.smem_start,
+ fb->fb.fix.smem_len);
+}
+
+void nspire_clcd_remove(struct clcd_fb *fb)
+{
+ dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
+ fb->fb.screen_base, fb->fb.fix.smem_start);
+}
diff --git a/arch/arm/mach-nspire/clcd.h b/arch/arm/mach-nspire/clcd.h
new file mode 100644
index 000000000000..8c33d2c18371
--- /dev/null
+++ b/arch/arm/mach-nspire/clcd.h
@@ -0,0 +1,14 @@
+/*
+ * linux/arch/arm/mach-nspire/clcd.h
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+int nspire_clcd_setup(struct clcd_fb *fb);
+int nspire_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
+void nspire_clcd_remove(struct clcd_fb *fb);
diff --git a/arch/arm/mach-nspire/mmio.h b/arch/arm/mach-nspire/mmio.h
new file mode 100644
index 000000000000..8813471af4cf
--- /dev/null
+++ b/arch/arm/mach-nspire/mmio.h
@@ -0,0 +1,20 @@
+/*
+ * linux/arch/arm/mach-nspire/mmio.h
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+
+#define NSPIRE_MISC_PHYS_BASE 0x900A0000
+#define NSPIRE_MISC_HWRESET 0x08
+
+#define NSPIRE_PWR_PHYS_BASE 0x900B0000
+#define NSPIRE_PWR_VIRT_BASE 0xFEEB0000
+#define NSPIRE_PWR_BUS_DISABLE1 0x18
+#define NSPIRE_PWR_BUS_DISABLE2 0x20
+
+#define NSPIRE_LCD_PHYS_BASE 0xC0000000
diff --git a/arch/arm/mach-nspire/nspire.c b/arch/arm/mach-nspire/nspire.c
new file mode 100644
index 000000000000..99e26092a9f7
--- /dev/null
+++ b/arch/arm/mach-nspire/nspire.c
@@ -0,0 +1,89 @@
+/*
+ * linux/arch/arm/mach-nspire/nspire.c
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * 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.
+ *
+ */
+#include <linux/init.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-vic.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/clocksource.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/hardware/timer-sp.h>
+
+#include "mmio.h"
+#include "clcd.h"
+
+static const char *nspire_dt_match[] __initconst = {
+ "ti,nspire",
+ "ti,nspire-cx",
+ "ti,nspire-tp",
+ "ti,nspire-clp",
+ NULL,
+};
+
+static void __init nspire_map_io(void)
+{
+ debug_ll_io_init();
+}
+
+static struct clcd_board nspire_clcd_data = {
+ .name = "LCD",
+ .caps = CLCD_CAP_5551 | CLCD_CAP_565,
+ .check = clcdfb_check,
+ .decode = clcdfb_decode,
+ .setup = nspire_clcd_setup,
+ .mmap = nspire_clcd_mmap,
+ .remove = nspire_clcd_remove,
+};
+
+
+static struct of_dev_auxdata nspire_auxdata[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
+ NULL, &nspire_clcd_data),
+ { }
+};
+
+static void __init nspire_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ nspire_auxdata, NULL);
+}
+
+static void __init nspire_init_time(void)
+{
+ of_clk_init(NULL);
+ clocksource_of_init();
+}
+
+static void nspire_restart(char mode, const char *cmd)
+{
+ void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
+ if (!base)
+ return;
+
+ writel(2, base + NSPIRE_MISC_HWRESET);
+}
+
+DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
+ .dt_compat = nspire_dt_match,
+ .map_io = nspire_map_io,
+ .init_time = nspire_init_time,
+ .init_machine = nspire_init,
+ .restart = nspire_restart,
+MACHINE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 05:29:48 +0000