ARM: 5850/1: [AT91] AT572D940HF processor support

Add support for the Atmel AT572D940HF processor (DIOPSIS range).
This processor integrates an ARM926 core, a DSP and the SoC
peripherals usually found on an AT91 processor (USART, SSC, SPI, TWI,
CAN, etc)

Signed-off-by: Antonio R. Costa <costa.antonior@gmail.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

7 files changed, 266 insertions, 1 deletions

diff --git a/arch/arm/mach-at91/include/mach/at572d940hf.h b/arch/arm/mach-at91/include/mach/at572d940hf.h
new file mode 100644
index 000000000000..2d9b0af9c4d5
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at572d940hf.h
@@ -0,0 +1,123 @@
+/*
+ * include/mach/at572d940hf.h
+ *
+ * Antonio R. Costa <costa.antonior@gmail.com>
+ * Copyright (C) 2008 Atmel
+ *
+ * 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
+ *
+ */
+
+#ifndef AT572D940HF_H
+#define AT572D940HF_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS		1	/* System Peripherals */
+#define AT572D940HF_ID_PIOA	2	/* Parallel IO Controller A */
+#define AT572D940HF_ID_PIOB	3	/* Parallel IO Controller B */
+#define AT572D940HF_ID_PIOC	4	/* Parallel IO Controller C */
+#define AT572D940HF_ID_EMAC	5	/* MACB ethernet controller */
+#define AT572D940HF_ID_US0	6	/* USART 0 */
+#define AT572D940HF_ID_US1	7	/* USART 1 */
+#define AT572D940HF_ID_US2	8	/* USART 2 */
+#define AT572D940HF_ID_MCI	9	/* Multimedia Card Interface */
+#define AT572D940HF_ID_UDP	10	/* USB Device Port */
+#define AT572D940HF_ID_TWI0	11	/* Two-Wire Interface 0 */
+#define AT572D940HF_ID_SPI0	12	/* Serial Peripheral Interface 0 */
+#define AT572D940HF_ID_SPI1	13	/* Serial Peripheral Interface 1 */
+#define AT572D940HF_ID_SSC0	14	/* Serial Synchronous Controller 0 */
+#define AT572D940HF_ID_SSC1	15	/* Serial Synchronous Controller 1 */
+#define AT572D940HF_ID_SSC2	16	/* Serial Synchronous Controller 2 */
+#define AT572D940HF_ID_TC0	17	/* Timer Counter 0 */
+#define AT572D940HF_ID_TC1	18	/* Timer Counter 1 */
+#define AT572D940HF_ID_TC2	19	/* Timer Counter 2 */
+#define AT572D940HF_ID_UHP	20	/* USB Host port */
+#define AT572D940HF_ID_SSC3	21	/* Serial Synchronous Controller 3 */
+#define AT572D940HF_ID_TWI1	22	/* Two-Wire Interface 1 */
+#define AT572D940HF_ID_CAN0	23	/* CAN Controller 0 */
+#define AT572D940HF_ID_CAN1	24	/* CAN Controller 1 */
+#define AT572D940HF_ID_MHALT	25	/* mAgicV HALT line */
+#define AT572D940HF_ID_MSIRQ0	26	/* mAgicV SIRQ0 line */
+#define AT572D940HF_ID_MEXC	27	/* mAgicV exception line */
+#define AT572D940HF_ID_MEDMA	28	/* mAgicV end of DMA line */
+#define AT572D940HF_ID_IRQ0	29	/* External Interrupt Source (IRQ0) */
+#define AT572D940HF_ID_IRQ1	30	/* External Interrupt Source (IRQ1) */
+#define AT572D940HF_ID_IRQ2	31	/* External Interrupt Source (IRQ2) */
+
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define AT572D940HF_BASE_TCB	0xfffa0000
+#define AT572D940HF_BASE_TC0	0xfffa0000
+#define AT572D940HF_BASE_TC1	0xfffa0040
+#define AT572D940HF_BASE_TC2	0xfffa0080
+#define AT572D940HF_BASE_UDP	0xfffa4000
+#define AT572D940HF_BASE_MCI	0xfffa8000
+#define AT572D940HF_BASE_TWI0	0xfffac000
+#define AT572D940HF_BASE_US0	0xfffb0000
+#define AT572D940HF_BASE_US1	0xfffb4000
+#define AT572D940HF_BASE_US2	0xfffb8000
+#define AT572D940HF_BASE_SSC0	0xfffbc000
+#define AT572D940HF_BASE_SSC1	0xfffc0000
+#define AT572D940HF_BASE_SSC2	0xfffc4000
+#define AT572D940HF_BASE_SPI0	0xfffc8000
+#define AT572D940HF_BASE_SPI1	0xfffcc000
+#define AT572D940HF_BASE_SSC3	0xfffd0000
+#define AT572D940HF_BASE_TWI1	0xfffd4000
+#define AT572D940HF_BASE_EMAC	0xfffd8000
+#define AT572D940HF_BASE_CAN0	0xfffdc000
+#define AT572D940HF_BASE_CAN1	0xfffe0000
+#define AT91_BASE_SYS		0xffffea00
+
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_SDRAMC	(0xffffea00 - AT91_BASE_SYS)
+#define AT91_SMC	(0xffffec00 - AT91_BASE_SYS)
+#define AT91_MATRIX	(0xffffee00 - AT91_BASE_SYS)
+#define AT91_AIC	(0xfffff000 - AT91_BASE_SYS)
+#define AT91_DBGU	(0xfffff200 - AT91_BASE_SYS)
+#define AT91_PIOA	(0xfffff400 - AT91_BASE_SYS)
+#define AT91_PIOB	(0xfffff600 - AT91_BASE_SYS)
+#define AT91_PIOC	(0xfffff800 - AT91_BASE_SYS)
+#define AT91_PMC	(0xfffffc00 - AT91_BASE_SYS)
+#define AT91_RSTC	(0xfffffd00 - AT91_BASE_SYS)
+#define AT91_RTT	(0xfffffd20 - AT91_BASE_SYS)
+#define AT91_PIT	(0xfffffd30 - AT91_BASE_SYS)
+#define AT91_WDT	(0xfffffd40 - AT91_BASE_SYS)
+
+#define AT91_USART0	AT572D940HF_ID_US0
+#define AT91_USART1	AT572D940HF_ID_US1
+#define AT91_USART2	AT572D940HF_ID_US2
+
+
+/*
+ * Internal Memory.
+ */
+#define AT572D940HF_SRAM_BASE	0x00300000	/* Internal SRAM base address */
+#define AT572D940HF_SRAM_SIZE	(48 * SZ_1K)	/* Internal SRAM size (48Kb) */
+
+#define AT572D940HF_ROM_BASE	0x00400000	/* Internal ROM base address */
+#define AT572D940HF_ROM_SIZE	SZ_32K		/* Internal ROM size (32Kb) */
+
+#define AT572D940HF_UHP_BASE	0x00500000	/* USB Host controller */
+
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h b/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h
new file mode 100644
index 000000000000..b6751df09488
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at572d940hf_matrix.h
@@ -0,0 +1,123 @@
+/*
+ * include/mach//at572d940hf_matrix.h
+ *
+ * Antonio R. Costa <costa.antonior@gmail.com>
+ * Copyright (C) 2008 Atmel
+ *
+ * Copyright (C) 2005 SAN People
+ *
+ * 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
+ */
+
+#ifndef AT572D940HF_MATRIX_H
+#define AT572D940HF_MATRIX_H
+
+#define AT91_MATRIX_MCFG0	(AT91_MATRIX + 0x00)	/* Master Configuration Register 0 */
+#define AT91_MATRIX_MCFG1	(AT91_MATRIX + 0x04)	/* Master Configuration Register 1 */
+#define AT91_MATRIX_MCFG2	(AT91_MATRIX + 0x08)	/* Master Configuration Register 2 */
+#define AT91_MATRIX_MCFG3	(AT91_MATRIX + 0x0C)	/* Master Configuration Register 3 */
+#define AT91_MATRIX_MCFG4	(AT91_MATRIX + 0x10)	/* Master Configuration Register 4 */
+#define AT91_MATRIX_MCFG5	(AT91_MATRIX + 0x14)	/* Master Configuration Register 5 */
+
+#define		AT91_MATRIX_ULBT	(7 << 0)	/* Undefined Length Burst Type */
+#define			AT91_MATRIX_ULBT_INFINITE	(0 << 0)
+#define			AT91_MATRIX_ULBT_SINGLE		(1 << 0)
+#define			AT91_MATRIX_ULBT_FOUR		(2 << 0)
+#define			AT91_MATRIX_ULBT_EIGHT		(3 << 0)
+#define			AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
+
+#define AT91_MATRIX_SCFG0	(AT91_MATRIX + 0x40)	/* Slave Configuration Register 0 */
+#define AT91_MATRIX_SCFG1	(AT91_MATRIX + 0x44)	/* Slave Configuration Register 1 */
+#define AT91_MATRIX_SCFG2	(AT91_MATRIX + 0x48)	/* Slave Configuration Register 2 */
+#define AT91_MATRIX_SCFG3	(AT91_MATRIX + 0x4C)	/* Slave Configuration Register 3 */
+#define AT91_MATRIX_SCFG4	(AT91_MATRIX + 0x50)	/* Slave Configuration Register 4 */
+#define		AT91_MATRIX_SLOT_CYCLE		(0xff << 0)	/* Maximum Number of Allowed Cycles for a Burst */
+#define		AT91_MATRIX_DEFMSTR_TYPE	(3    << 16)	/* Default Master Type */
+#define			AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
+#define		AT91_MATRIX_FIXED_DEFMSTR	(0x7  << 18)	/* Fixed Index of Default Master */
+#define		AT91_MATRIX_ARBT		(3    << 24)	/* Arbitration Type */
+#define			AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
+#define			AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
+
+#define AT91_MATRIX_PRAS0	(AT91_MATRIX + 0x80)	/* Priority Register A for Slave 0 */
+#define AT91_MATRIX_PRAS1	(AT91_MATRIX + 0x88)	/* Priority Register A for Slave 1 */
+#define AT91_MATRIX_PRAS2	(AT91_MATRIX + 0x90)	/* Priority Register A for Slave 2 */
+#define AT91_MATRIX_PRAS3	(AT91_MATRIX + 0x98)	/* Priority Register A for Slave 3 */
+#define AT91_MATRIX_PRAS4	(AT91_MATRIX + 0xA0)	/* Priority Register A for Slave 4 */
+
+#define		AT91_MATRIX_M0PR		(3 << 0)	/* Master 0 Priority */
+#define		AT91_MATRIX_M1PR		(3 << 4)	/* Master 1 Priority */
+#define		AT91_MATRIX_M2PR		(3 << 8)	/* Master 2 Priority */
+#define		AT91_MATRIX_M3PR		(3 << 12)	/* Master 3 Priority */
+#define		AT91_MATRIX_M4PR		(3 << 16)	/* Master 4 Priority */
+#define		AT91_MATRIX_M5PR		(3 << 20)	/* Master 5 Priority */
+#define		AT91_MATRIX_M6PR		(3 << 24)	/* Master 6 Priority */
+
+#define AT91_MATRIX_MRCR	(AT91_MATRIX + 0x100)	/* Master Remap Control Register */
+#define		AT91_MATRIX_RCB0		(1 << 0)	/* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
+#define		AT91_MATRIX_RCB1		(1 << 1)	/* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
+
+#define AT91_MATRIX_SFR0	(AT91_MATRIX + 0x110)	/* Special Function Register 0 */
+#define AT91_MATRIX_SFR1	(AT91_MATRIX + 0x114)	/* Special Function Register 1 */
+#define AT91_MATRIX_SFR2	(AT91_MATRIX + 0x118)	/* Special Function Register 2 */
+#define AT91_MATRIX_SFR3	(AT91_MATRIX + 0x11C)	/* Special Function Register 3 */
+#define AT91_MATRIX_SFR4	(AT91_MATRIX + 0x120)	/* Special Function Register 4 */
+#define AT91_MATRIX_SFR5	(AT91_MATRIX + 0x124)	/* Special Function Register 5 */
+#define AT91_MATRIX_SFR6	(AT91_MATRIX + 0x128)	/* Special Function Register 6 */
+#define AT91_MATRIX_SFR7	(AT91_MATRIX + 0x12C)	/* Special Function Register 7 */
+#define AT91_MATRIX_SFR8	(AT91_MATRIX + 0x130)	/* Special Function Register 8 */
+#define AT91_MATRIX_SFR9	(AT91_MATRIX + 0x134)	/* Special Function Register 9 */
+#define AT91_MATRIX_SFR10	(AT91_MATRIX + 0x138)	/* Special Function Register 10 */
+#define AT91_MATRIX_SFR11	(AT91_MATRIX + 0x13C)	/* Special Function Register 11 */
+#define AT91_MATRIX_SFR12	(AT91_MATRIX + 0x140)	/* Special Function Register 12 */
+#define AT91_MATRIX_SFR13	(AT91_MATRIX + 0x144)	/* Special Function Register 13 */
+#define AT91_MATRIX_SFR14	(AT91_MATRIX + 0x148)	/* Special Function Register 14 */
+#define AT91_MATRIX_SFR15	(AT91_MATRIX + 0x14C)	/* Special Function Register 15 */
+
+
+/*
+ * The following registers / bits are not defined in the Datasheet (Revision A)
+ */
+
+#define AT91_MATRIX_TCR		(AT91_MATRIX + 0x100)	/* TCM Configuration Register */
+#define		AT91_MATRIX_ITCM_SIZE		(0xf << 0)	/* Size of ITCM enabled memory block */
+#define			AT91_MATRIX_ITCM_0		(0 << 0)
+#define			AT91_MATRIX_ITCM_16		(5 << 0)
+#define			AT91_MATRIX_ITCM_32		(6 << 0)
+#define			AT91_MATRIX_ITCM_64		(7 << 0)
+#define		AT91_MATRIX_DTCM_SIZE		(0xf << 4)	/* Size of DTCM enabled memory block */
+#define			AT91_MATRIX_DTCM_0		(0 << 4)
+#define			AT91_MATRIX_DTCM_16		(5 << 4)
+#define			AT91_MATRIX_DTCM_32		(6 << 4)
+#define			AT91_MATRIX_DTCM_64		(7 << 4)
+
+#define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x11C)	/* EBI Chip Select Assignment Register */
+#define		AT91_MATRIX_CS1A		(1 << 1)	/* Chip Select 1 Assignment */
+#define			AT91_MATRIX_CS1A_SMC		(0 << 1)
+#define			AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
+#define		AT91_MATRIX_CS3A		(1 << 3)	/* Chip Select 3 Assignment */
+#define			AT91_MATRIX_CS3A_SMC		(0 << 3)
+#define			AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
+#define		AT91_MATRIX_CS4A		(1 << 4)	/* Chip Select 4 Assignment */
+#define			AT91_MATRIX_CS4A_SMC		(0 << 4)
+#define			AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
+#define		AT91_MATRIX_CS5A		(1 << 5)	/* Chip Select 5 Assignment */
+#define			AT91_MATRIX_CS5A_SMC		(0 << 5)
+#define			AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
+#define		AT91_MATRIX_DBPUC		(1 << 8)	/* Data Bus Pull-up Configuration */
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 64589eaaaee8..e46f93e34aab 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -32,6 +32,7 @@
 #define		AT91_PMC_PCK1		(1 <<  9)		/* Programmable Clock 1 */
 #define		AT91_PMC_PCK2		(1 << 10)		/* Programmable Clock 2 */
 #define		AT91_PMC_PCK3		(1 << 11)		/* Programmable Clock 3 */
+#define		AT91_PMC_PCK4		(1 << 12)		/* Programmable Clock 4 [AT572D940HF only] */
 #define		AT91_PMC_HCK0		(1 << 16)		/* AHB Clock (USB host) [AT91SAM9261 only] */
 #define		AT91_PMC_HCK1		(1 << 17)		/* AHB Clock (LCD) [AT91SAM9261 only] */
 
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index bb6f6a7ba5e0..ceaec6c16eb2 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -87,7 +87,7 @@ struct at91_eth_data {
 extern void __init at91_add_device_eth(struct at91_eth_data *data);
 
 #if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \
-	|| defined(CONFIG_ARCH_AT91SAM9G45)
+	|| defined(CONFIG_ARCH_AT91SAM9G45) || defined(CONFIG_ARCH_AT572D940HF)
 #define eth_platform_data	at91_eth_data
 #endif
 
@@ -205,6 +205,9 @@ extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
 extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
 extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
 
+ /* AT572D940HF DSP */
+extern void __init at91_add_device_mAgic(void);
+
 /* FIXME: this needs a better location, but gets stuff building again */
 extern int at91_suspend_entering_slow_clock(void);
 
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index c22df30ed5e5..5a0650101d45 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -33,6 +33,8 @@
 #define ARCH_ID_AT91SAM9XE256	0x329a93a0
 #define ARCH_ID_AT91SAM9XE512	0x329aa3a0
 
+#define ARCH_ID_AT572D940HF	0x0e0303e0
+
 #define ARCH_ID_AT91M40800	0x14080044
 #define ARCH_ID_AT91R40807	0x44080746
 #define ARCH_ID_AT91M40807	0x14080745
@@ -141,6 +143,12 @@ static inline unsigned long at91cap9_rev_identify(void)
 #define cpu_is_at91cap9_revC()	(0)
 #endif
 
+#ifdef CONFIG_ARCH_AT572D940HF
+#define cpu_is_at572d940hf() (at91_cpu_identify() == ARCH_ID_AT572D940HF)
+#else
+#define cpu_is_at572d940hf() (0)
+#endif
+
 /*
  * Since this is ARM, we will never run on any AVR32 CPU. But these
  * definitions may reduce clutter in common drivers.
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index a0df8b022df2..3d64a75e3ed5 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -32,6 +32,8 @@
 #include <mach/at91cap9.h>
 #elif defined(CONFIG_ARCH_AT91X40)
 #include <mach/at91x40.h>
+#elif defined(CONFIG_ARCH_AT572D940HF)
+#include <mach/at572d940hf.h>
 #else
 #error "Unsupported AT91 processor"
 #endif
diff --git a/arch/arm/mach-at91/include/mach/timex.h b/arch/arm/mach-at91/include/mach/timex.h
index 31ac2d97f14c..05a6e8af80c4 100644
--- a/arch/arm/mach-at91/include/mach/timex.h
+++ b/arch/arm/mach-at91/include/mach/timex.h
@@ -82,6 +82,11 @@
 #define AT91X40_MASTER_CLOCK	40000000
 #define CLOCK_TICK_RATE		(AT91X40_MASTER_CLOCK)
 
+#elif defined(CONFIG_ARCH_AT572D940HF)
+
+#define AT572D940HF_MASTER_CLOCK	80000000
+#define CLOCK_TICK_RATE		(AT572D940HF_MASTER_CLOCK/16)
+
 #endif
 
 #endif