Initital support for AT91SAM9X25 SoC and the SAM9X25-EK evaluation

board.  Much work remains.

1 files changed, 316 insertions, 0 deletions

diff --git a/sys/arm/at91/at91sam9x25reg.h b/sys/arm/at91/at91sam9x25reg.h
new file mode 100644
index 0000000..84d6e3f
--- /dev/null
+++ b/sys/arm/at91/at91sam9x25reg.h
@@ -0,0 +1,316 @@
+/*-
+ * Copyright (c) 2009 Sylvestre Gallon.  All rights reserved.
+ * Copyright (c) 2010 Greg Ansley.  All rights reserved.
+ * Copyright (c) 2012 M. Warener Losh.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* $FreeBSD$ */
+
+#ifndef AT91SAM9X25REG_H_
+#define AT91SAM9X25REG_H_
+
+#ifndef AT91SAM9X25_MASTER_CLOCK
+#define AT91SAM9X25_MASTER_CLOCK ((18432000 * 43)/6)
+#endif
+
+/* Chip Specific limits */
+#define SAM9X25_PLL_A_MIN_IN_FREQ	  2000000 /*   2 Mhz */
+#define SAM9X25_PLL_A_MAX_IN_FREQ	 32000000 /*  32 Mhz */
+#define SAM9X25_PLL_A_MIN_OUT_FREQ	400000000 /* 400 Mhz */
+#define SAM9X25_PLL_A_MAX_OUT_FREQ	800000000 /* 800 Mhz */
+#define SAM9X25_PLL_A_MUL_SHIFT 16
+#define SAM9X25_PLL_A_MUL_MASK 0xFF 
+#define SAM9X25_PLL_A_DIV_SHIFT 0
+#define SAM9X25_PLL_A_DIV_MASK 0xFF 
+
+#define SAM9X25_PLL_B_MIN_IN_FREQ	  2000000 /*   2 Mhz */
+#define SAM9X25_PLL_B_MAX_IN_FREQ	 32000000 /*  32 Mhz */
+#define SAM9X25_PLL_B_MIN_OUT_FREQ	 30000000 /*  30 Mhz */
+#define SAM9X25_PLL_B_MAX_OUT_FREQ	100000000 /* 100 Mhz */
+#define SAM9X25_PLL_B_MUL_SHIFT 16
+#define SAM9X25_PLL_B_MUL_MASK 0x3F 
+#define SAM9X25_PLL_B_DIV_SHIFT 0
+#define SAM9X25_PLL_B_DIV_MASK 0xFF 
+
+/* 
+ * Memory map, from datasheet :
+ * 0x00000000 - 0x0ffffffff : Internal Memories
+ * 0x10000000 - 0x1ffffffff : Chip Select 0
+ * 0x20000000 - 0x2ffffffff : Chip Select 1 DDR2/LPDDR/SDR/LPSDR
+ * 0x30000000 - 0x3ffffffff : Chip Select 2 
+ * 0x40000000 - 0x4ffffffff : Chip Select 3 NAND Flash
+ * 0x50000000 - 0x5ffffffff : Chip Select 4
+ * 0x60000000 - 0x6ffffffff : Chip Select 5
+ * 0x70000000 - 0xeffffffff : Undefined (Abort)
+ * 0xf0000000 - 0xfffffffff : Peripherals
+ */
+
+#define AT91_CHIPSELECT_0 0x10000000
+#define AT91_CHIPSELECT_1 0x20000000
+#define AT91_CHIPSELECT_2 0x30000000
+#define AT91_CHIPSELECT_3 0x40000000
+#define AT91_CHIPSELECT_4 0x50000000
+#define AT91_CHIPSELECT_5 0x60000000
+
+#define AT91SAM9X25_BASE	0xd0000000
+
+#define AT91SAM9X25_EMAC_SIZE  0x4000
+#define AT91SAM9X25_EMAC0_BASE 0x802c000
+#define AT91SAM9X25_EMAC0_SIZE AT91SAM9X25_EMAC_SIZE
+#define AT91SAM9X25_EMAC1_BASE 0x8030000
+#define AT91SAM9X25_EMAC1_SIZE AT91SAM9X25_EMAC_SIZE
+
+#define AT91SAM9X25_RSTC_BASE	0xffffe00
+#define AT91SAM9X25_RSTC_SIZE	0x10
+
+/* USART*/
+
+#define AT91SAM9X25_USART_SIZE	0x4000
+#define AT91SAM9X25_USART0_BASE	0x801c000
+#define AT91SAM9X25_USART0_PDC	0x801c100
+#define AT91SAM9X25_USART0_SIZE	AT91SAM9X25_USART_SIZE
+#define AT91SAM9X25_USART1_BASE	0x8020000
+#define AT91SAM9X25_USART1_PDC	0x8020100
+#define AT91SAM9X25_USART1_SIZE	AT91SAM9X25_USART_SIZE
+#define AT91SAM9X25_USART2_BASE	0x8024000
+#define AT91SAM9X25_USART2_PDC	0x8024100
+#define AT91SAM9X25_USART2_SIZE	AT91SAM9X25_USART_SIZE
+#define AT91SAM9X25_USART3_BASE	0x8028000
+#define AT91SAM9X25_USART3_PDC	0x8028100
+#define AT91SAM9X25_USART3_SIZE	AT91SAM9X25_USART_SIZE
+
+/*TC*/
+#define AT91SAM9X25_TC0_BASE	0x8008000
+#define AT91SAM9X25_TC0_SIZE	0x4000
+#define AT91SAM9X25_TC0C0_BASE	0x8008000
+#define AT91SAM9X25_TC0C1_BASE	0x8008040
+#define AT91SAM9X25_TC0C2_BASE	0x8008080
+
+#define AT91SAM9X25_TC1_BASE	0x800c000
+#define AT91SAM9X25_TC1_SIZE	0x4000
+
+/*SPI*/
+
+#define AT91SAM9X25_SPI0_BASE	0x0000000
+
+#define AT91SAM9X25_SPI0_SIZE	0x4000
+
+#define AT91SAM9X25_SPI1_BASE	0x0004000
+#define AT91SAM9X25_SPI1_SIZE	0x4000
+
+/* System Registers */
+#define AT91SAM9X25_SYS_BASE	0xffff000
+#define AT91SAM9X25_SYS_SIZE	0x1000
+
+#define AT91SAM9X25_MATRIX_BASE	0xfffde00
+#define AT91SAM9X25_MATRIX_SIZE	0x200
+
+#define AT91SAM9X25_DBGU_BASE	0xffff200
+#define AT91SAM9X25_DBGU_SIZE	0x200
+
+/*
+ * PIO
+ */
+#define AT91SAM9X25_PIOA_BASE	0xffff400
+#define AT91SAM9X25_PIOA_SIZE	0x200
+#define AT91SAM9X25_PIOB_BASE	0xffff600
+#define AT91SAM9X25_PIOB_SIZE	0x200
+#define AT91SAM9X25_PIOC_BASE	0xffff800
+#define AT91SAM9X25_PIOC_SIZE	0x200
+
+#define AT91RM92_PMC_BASE	0xffffc00
+#define AT91RM92_PMC_SIZE	0x100
+/* IRQs : */
+/*XXX FIXME XXX
+ * 0: AIC 
+ * 1: System peripheral (System timer, RTC, DBGU)
+ * 2: PIO Controller A,B
+ * 3: PIO Controller C,D
+ * 4: SMD Soft Modem
+ * 5: USART 0
+ * 6: USART 1
+ * 7: USART 2
+ * 8: USART 3
+ * 9: Two-wirte interface
+ * 10: Two-wirte interface
+ * 11: Two-wirte interface
+ * 12: HSMCI Interface
+ * 13: SPI 0
+ * 14: SPI 1
+ * 15: UART0
+ * 16: UART1
+ * 17: Timer Counter 0,1
+ * 18: PWM
+ * 19: ADC
+ * 20: DMAC 0
+ * 21: DMAC 1
+ * 22: UHPHS - USB Host controller
+ * 23: UDPHS - USB Device Controller
+ * 24: EMAC0
+ * 25: Reserved
+ * 26: HSMCI1
+ * 27: EMAC1
+ * 28: SSC
+ * 29: CAN0
+ * 30: CAN1
+ * 31: AIC IRQ
+ */
+
+#define AT91SAM9X25_IRQ_AIC	0
+#define AT91SAM9X25_IRQ_SYSTEM	1
+#define AT91SAM9X25_IRQ_PIOAB	2
+#define AT91SAM9X25_IRQ_PIOCD	3
+#define AT91SAM9X25_IRQ_SMD	4
+#define AT91SAM9X25_IRQ_USART0	5
+#define AT91SAM9X25_IRQ_USART1	6
+#define AT91SAM9X25_IRQ_USART2	7
+#define AT91SAM9X25_IRQ_USART3	8
+#define AT91SAM9X25_IRQ_TWI0	9
+#define AT91SAM9X25_IRQ_TWI1	10
+#define AT91SAM9X25_IRQ_TWI2	11
+#define AT91SAM9X25_IRQ_HSMCI0	12
+#define AT91SAM9X25_IRQ_SPI0	13
+#define AT91SAM9X25_IRQ_SPI1	14
+#define AT91SAM9X25_IRQ_UART0	15
+#define AT91SAM9X25_IRQ_UART1	16
+#define AT91SAM9X25_IRQ_TC01	17
+#define AT91SAM9X25_IRQ_PWM	18
+#define AT91SAM9X25_IRQ_ADC	19
+#define AT91SAM9X25_IRQ_DMAC0	20
+#define AT91SAM9X25_IRQ_DMAC1	21
+#define AT91SAM9X25_IRQ_UHPHS	22
+#define AT91SAM9X25_IRQ_UDPHS	23
+#define AT91SAM9X25_IRQ_EMAC0	24
+#define AT91SAM9X25_IRQ_HSMCI1	26
+#define AT91SAM9X25_IRQ_EMAC1	27
+#define AT91SAM9X25_IRQ_SSC	28
+#define AT91SAM9X25_IRQ_CAN0	29
+#define AT91SAM9X25_IRQ_CAN1	30
+#define AT91SAM9X25_IRQ_AICBASE	31
+
+/* Alias */
+#define AT91SAM9X25_IRQ_DBGU 	AT91SAM9X25_IRQ_SYSTEM
+#define AT91SAM9X25_IRQ_PMC 	AT91SAM9X25_IRQ_SYSTEM
+#define AT91SAM9X25_IRQ_WDT 	AT91SAM9X25_IRQ_SYSTEM
+#define AT91SAM9X25_IRQ_PIT 	AT91SAM9X25_IRQ_SYSTEM
+#define AT91SAM9X25_IRQ_RSTC 	AT91SAM9X25_IRQ_SYSTEM
+#define AT91SAM9X25_IRQ_OHCI 	AT91SAM9X25_IRQ_UHPHS
+#define AT91SAM9X25_IRQ_EHCI 	AT91SAM9X25_IRQ_UHPHS
+#define AT91SAM9X25_IRQ_PIOA    AT91SAM9X25_IRQ_PIOAB
+#define AT91SAM9X25_IRQ_PIOB    AT91SAM9X25_IRQ_PIOAB
+#define AT91SAM9X25_IRQ_PIOC    AT91SAM9X25_IRQ_PIOCD
+#define AT91SAM9X25_IRQ_NAND 	(-1)
+
+#define AT91SAM9X25_AIC_BASE	0xffff000
+#define AT91SAM9X25_AIC_SIZE	0x200
+
+/* Timer */
+
+#define AT91SAM9X25_WDT_BASE	0xffffd40
+#define AT91SAM9X25_WDT_SIZE	0x10
+
+#define AT91SAM9X25_PIT_BASE	0xffffd30
+#define AT91SAM9X25_PIT_SIZE	0x10
+
+#define AT91SAM9X25_SMC_BASE	0xfffea00
+#define AT91SAM9X25_SMC_SIZE	0x200
+
+#define AT91SAM9X25_PMC_BASE	0xffffc00
+#define AT91SAM9X25_PMC_SIZE	0x100
+
+#define AT91SAM9X25_UDPHS_BASE	0x803c000
+#define AT91SAM9X25_UDPHS_SIZE	0x4000
+
+#define AT91SAM9X25_HSMCI_SIZE	0x4000
+#define AT91SAM9X25_HSMCI0_BASE	0x0008000
+#define AT91SAM9X25_HSMCI0_SIZE AT91SAM9X25_HSMCI_SIZE
+#define AT91SAM9X25_HSMCI1_BASE	0x000c000
+#define AT91SAM9X25_HSMCI1_SIZE AT91SAM9X25_HSMCI_SIZE
+
+#define AT91SAM9X25_TWI_SIZE	0x4000
+#define AT91SAM9X25_TWI0_BASE	0xffaC000
+#define AT91SAM9X25_TWI0_SIZE	AT91SAM9X25_TWI_SIZE
+#define AT91SAM9X25_TWI1_BASE	0xffaC000
+#define AT91SAM9X25_TWI1_SIZE	AT91SAM9X25_TWI_SIZE
+#define AT91SAM9X25_TWI2_BASE	0xffaC000
+#define AT91SAM9X25_TWI2_SIZE	AT91SAM9X25_TWI_SIZE
+
+/* XXX Needs to be carfully coordinated with
+ * other * soc's so phyical and vm address
+ * mapping are unique. XXX
+ */
+#define AT91SAM9X25_OHCI_BASE	  0xdfc00000 /* SAME as 9c40 */
+#define AT91SAM9X25_OHCI_PA_BASE  0x00600000
+#define AT91SAM9X25_OHCI_SIZE	  0x00100000
+
+#define AT91SAM9X25_EHCI_BASE	  0xdfd00000
+#define AT91SAM9X25_EHCI_PA_BASE  0x00700000
+#define AT91SAM9X25_EHCI_SIZE	  0x00100000
+
+#define AT91SAM9X25_NAND_BASE     0xe0000000
+#define AT91SAM9X25_NAND_PA_BASE  0x40000000
+#define AT91SAM9X25_NAND_SIZE     0x10000000
+
+
+/* SDRAMC */
+#define AT91SAM9X25_SDRAMC_BASE	0xfffea00               /* SAME as SMC? */
+#define AT91SAM9X25_SDRAMC_MR	0x00
+#define AT91SAM9X25_SDRAMC_MR_MODE_NORMAL	0
+#define AT91SAM9X25_SDRAMC_MR_MODE_NOP	1
+#define AT91SAM9X25_SDRAMC_MR_MODE_PRECHARGE 2
+#define AT91SAM9X25_SDRAMC_MR_MODE_LOAD_MODE_REGISTER 3
+#define AT91SAM9X25_SDRAMC_MR_MODE_REFRESH	4
+#define AT91SAM9X25_SDRAMC_TR	0x04
+#define AT91SAM9X25_SDRAMC_CR	0x08
+#define AT91SAM9X25_SDRAMC_CR_NC_8		0x0
+#define AT91SAM9X25_SDRAMC_CR_NC_9		0x1
+#define AT91SAM9X25_SDRAMC_CR_NC_10	0x2
+#define AT91SAM9X25_SDRAMC_CR_NC_11	0x3
+#define AT91SAM9X25_SDRAMC_CR_NC_MASK	0x00000003
+#define AT91SAM9X25_SDRAMC_CR_NR_11	0x0
+#define AT91SAM9X25_SDRAMC_CR_NR_12	0x4
+#define AT91SAM9X25_SDRAMC_CR_NR_13	0x8
+#define AT91SAM9X25_SDRAMC_CR_NR_RES	0xc
+#define AT91SAM9X25_SDRAMC_CR_NR_MASK	0x0000000c
+#define AT91SAM9X25_SDRAMC_CR_NB_2		0x00
+#define AT91SAM9X25_SDRAMC_CR_NB_4		0x10
+#define AT91SAM9X25_SDRAMC_CR_DBW_16		0x80
+#define AT91SAM9X25_SDRAMC_CR_NB_MASK	0x00000010
+#define AT91SAM9X25_SDRAMC_CR_NCAS_MASK	0x00000060
+#define AT91SAM9X25_SDRAMC_CR_TWR_MASK	0x00000780
+#define AT91SAM9X25_SDRAMC_CR_TRC_MASK	0x00007800
+#define AT91SAM9X25_SDRAMC_CR_TRP_MASK	0x00078000
+#define AT91SAM9X25_SDRAMC_CR_TRCD_MASK	0x00780000
+#define AT91SAM9X25_SDRAMC_CR_TRAS_MASK	0x07800000
+#define AT91SAM9X25_SDRAMC_CR_TXSR_MASK	0x78000000
+#define AT91SAM9X25_SDRAMC_HSR	0x0c
+#define AT91SAM9X25_SDRAMC_LPR	0x10
+#define AT91SAM9X25_SDRAMC_IER	0x14
+#define AT91SAM9X25_SDRAMC_IDR	0x18
+#define AT91SAM9X25_SDRAMC_IMR	0x1c
+#define AT91SAM9X25_SDRAMC_ISR	0x20
+#define AT91SAM9X25_SDRAMC_MDR	0x24
+
+#endif /* AT91SAM9X25REG_H_*/
+