Hello.
Sudhakar Rajashekhara wrote:
The DA850/OMAP-L138 is a new SoC from TI in the same family as
DA830/OMAP-L137.
Major changes include better support for power management,
support for SATA devices and McBSP (same IP as DM644x).
DA850/OMAP-L138 documents are available at
http://focus.ti.com/docs/prod/folders/print/omap-l138.html.
Signed-off-by: Sudhakar Rajashekhara <[email protected]>
[...]
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index d183b11..5f8a661 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o
obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
new file mode 100644
index 0000000..79d034a
--- /dev/null
+++ b/arch/arm/mach-davinci/da850.c
@@ -0,0 +1,623 @@
+/*
+ * TI DA850/OMAP L138 chip specific setup
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Derived from: arch/arm/mach-davinci/da830.c
+ * Original Copyrights follow:
+ *
+ * 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/clock.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <mach/common.h>
+#include <mach/time.h>
+#include <mach/da8xx.h>
+
+#include "clock.h"
+#include "mux.h"
+
+#define PINMUX0 0x00
+#define PINMUX1 0x04
+#define PINMUX2 0x08
+#define PINMUX3 0x0c
+#define PINMUX4 0x10
+#define PINMUX5 0x14
+#define PINMUX6 0x18
+#define PINMUX7 0x1c
+#define PINMUX8 0x20
+#define PINMUX9 0x24
+#define PINMUX10 0x28
+#define PINMUX11 0x2c
+#define PINMUX12 0x30
+#define PINMUX13 0x34
+#define PINMUX14 0x38
+#define PINMUX15 0x3c
+#define PINMUX16 0x40
+#define PINMUX17 0x44
+#define PINMUX18 0x48
+#define PINMUX19 0x4c
These registers are the same as on DA830. Could we place their #define's
into <mach/da8xx.h> as well?
+
+/*
+ * Device specific mux setup
+ *
+ * soc description mux mode mode mux dbg
+ * reg offset mask mode
+ */
+static const struct mux_config da850_pins[] = {
Sigh, Mark should have renamed da830_pins[] to da830_pinmux[] since he
also has *_pins[] arrays of different, *short* type: pin (signal) lists.
+#ifdef CONFIG_DAVINCI_MUX
+ /* UART0 function */
+ MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
+ MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
+ MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
+ MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
+ /* UART1 function */
+ MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
+ MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
+ /* UART2 function */
+ MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
+ MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
+ /* I2C1 function */
+ MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
+ MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
+ /* I2C0 function */
+ MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
+ MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
+#endif
And that's all? :-O
+int da850_pinmux_setup(const short pins[])
+{
+ int i, error = -EINVAL;
+
+ if (pins)
+ for (i = 0; pins[i] >= 0; i++) {
+ error = davinci_cfg_reg(pins[i]);
+ if (error)
+ break;
+ }
+
+ return error;
+}
This duplicates da830_pinmux_setup(). I'd consider moving this function
into mux.c...
+static struct davinci_timer_instance da850_timer_instance[2] = {
+ {
+ .base = IO_ADDRESS(DA8XX_TIMER64P0_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_0,
+ .top_irq = IRQ_DA8XX_TINT34_0,
+ },
+ {
+ .base = IO_ADDRESS(DA8XX_TIMER64P1_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_1,
+ .top_irq = IRQ_DA8XX_TINT34_1,
+ },
+};
Aren't there 4 timers on DA830?
+/*
+ * T0_BOT: Timer 0, bottom : Used for clock_event & clocksource
This cannot be: you haven't supplied the 'cmp_off' and 'cmp_irq' field
initializers for this to work right -- I guess the compare registers just
don't exist on timer 0?
+ * T0_TOP: Timer 0, top : Used by DSP
+ * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
+ */
+static struct davinci_timer_info da850_timer_info = {
+ .timers = da850_timer_instance,
+ .clockevent_id = T0_BOT,
+ .clocksource_id = T0_TOP,
+};
Certainly need to fix this...
[...]
diff --git a/arch/arm/mach-davinci/include/mach/mux.h
b/arch/arm/mach-davinci/include/mach/mux.h
index cce7509..3349fa5 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -704,6 +704,34 @@ enum da830_index {
DA830_GPIO2_10,
};
+enum davinci_da850_index {
+ /* UART0 function */
+ DA850_NUART0_CTS,
+ DA850_NUART0_RTS,
+ DA850_UART0_RXD,
+ DA850_UART0_TXD,
+
+ /* UART1 function */
+ DA850_NUART1_CTS,
+ DA850_NUART1_RTS,
+ DA850_UART1_RXD,
+ DA850_UART1_TXD,
+
+ /* UART2 function */
+ DA850_NUART2_CTS,
+ DA850_NUART2_RTS,
+ DA850_UART2_RXD,
+ DA850_UART2_TXD,
+
+ /* I2C1 function */
+ DA850_I2C1_SCL,
+ DA850_I2C1_SDA,
+
+ /* I2C0 function */
+ DA850_I2C0_SDA,
+ DA850_I2C0_SCL,
+};
And that's all?..
+
#ifdef CONFIG_DAVINCI_MUX
/* setup pin muxing */
extern int davinci_cfg_reg(unsigned long reg_cfg);
diff --git a/arch/arm/mach-davinci/include/mach/psc.h
b/arch/arm/mach-davinci/include/mach/psc.h
index 6b9621d..9528980 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -177,6 +177,10 @@
#define DA8XX_LPSC1_CR_P3_SS 26
#define DA8XX_LPSC1_L3_CBA_RAM 31
+#define DA850_LPSC1_TPCC1 0
+#define DA850_LPSC1_TPTC2 21
+#define DA850_LPSC1_SATA 8
Please arrange #define's in the numeric order.
WBR, Sergei
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