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[src/trunk]: src/sys/arch/arm/at91 add preliminary support for AT91SAM9260



details:   https://anonhg.NetBSD.org/src/rev/b90c61f8c233
branches:  trunk
changeset: 770968:b90c61f8c233
user:      aymeric <aymeric%NetBSD.org@localhost>
date:      Fri Nov 04 17:20:54 2011 +0000

description:
add preliminary support for AT91SAM9260

diffstat:

 sys/arch/arm/at91/at91bus.c           |   20 +-
 sys/arch/arm/at91/at91pmcreg.h        |    9 +-
 sys/arch/arm/at91/at91sam9260bus.c    |  161 +++++++++++++++++++
 sys/arch/arm/at91/at91sam9260busvar.h |   62 +++++++
 sys/arch/arm/at91/at91sam9260reg.h    |  280 ++++++++++++++++++++++++++++++++++
 sys/arch/arm/at91/files.at91          |    6 +-
 6 files changed, 529 insertions(+), 9 deletions(-)

diffs (truncated from 659 to 300 lines):

diff -r cfc699306e6a -r b90c61f8c233 sys/arch/arm/at91/at91bus.c
--- a/sys/arch/arm/at91/at91bus.c       Fri Nov 04 17:17:50 2011 +0000
+++ b/sys/arch/arm/at91/at91bus.c       Fri Nov 04 17:20:54 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: at91bus.c,v 1.11 2011/07/01 19:31:16 dyoung Exp $      */
+/*     $NetBSD: at91bus.c,v 1.12 2011/11/04 17:20:54 aymeric Exp $     */
 
 /*
  * Copyright (c) 2007 Embedtronics Oy
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: at91bus.c,v 1.11 2011/07/01 19:31:16 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: at91bus.c,v 1.12 2011/11/04 17:20:54 aymeric Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -149,7 +149,8 @@
                                 const int *, void *);
 
 
-CFATTACH_DECL(at91bus, sizeof(struct at91bus_softc), at91bus_match, at91bus_attach, NULL, NULL);
+CFATTACH_DECL_NEW(at91bus, sizeof(struct at91bus_softc),
+       at91bus_match, at91bus_attach, NULL, NULL);
 
 struct at91bus_clocks at91bus_clocks = {0};
 struct at91bus_softc *at91bus_sc = NULL;
@@ -160,6 +161,10 @@
 #include <arm/at91/at91rm9200busvar.h>
 #endif
 
+#ifdef AT91SAM9260
+#include <arm/at91/at91sam9260busvar.h>
+#endif
+
 #ifdef AT91SAM9261
 #include <arm/at91/at91sam9261busvar.h>
 #endif
@@ -179,6 +184,9 @@
        {
                DBGU_CIDR_AT91SAM9260,
                "AT91SAM9260"
+#ifdef AT91SAM9260
+               , &at91sam9260bus
+#endif
        },
        {
                DBGU_CIDR_AT91SAM9260,
@@ -188,7 +196,7 @@
 #endif
        },
        {
-               DBGU_CIDR_AT91SAM9260,
+               DBGU_CIDR_AT91SAM9263,
                "AT91SAM9263"
        },
        {
@@ -592,7 +600,7 @@
        locs[AT91BUSCF_ADDR] = addr;
        locs[AT91BUSCF_PID]  = pid;
 
-       sc = (struct at91bus_softc*) self;
+       sc = device_private(self);
        sa.sa_iot = sc->sc_iot;
        sa.sa_dmat = sc->sc_dmat;
        sa.sa_addr = addr;
@@ -611,7 +619,7 @@
        if (at91_chip_ndx < 0)
                panic("%s: at91bus_init() has not been called!", __FUNCTION__);
 
-       sc = (struct at91bus_softc*) self;
+       sc = device_private(self);
 
         /* initialize bus space and bus dma things... */
        sc->sc_iot = &at91_bs_tag;
diff -r cfc699306e6a -r b90c61f8c233 sys/arch/arm/at91/at91pmcreg.h
--- a/sys/arch/arm/at91/at91pmcreg.h    Fri Nov 04 17:17:50 2011 +0000
+++ b/sys/arch/arm/at91/at91pmcreg.h    Fri Nov 04 17:20:54 2011 +0000
@@ -1,4 +1,4 @@
-/*     $Id: at91pmcreg.h,v 1.2 2008/07/03 01:15:38 matt Exp $  */
+/*     $Id: at91pmcreg.h,v 1.3 2011/11/04 17:20:54 aymeric Exp $       */
 
 #ifndef        _AT91PMCREG_H_
 #define        _AT91PMCREG_H_  1
@@ -24,12 +24,15 @@
 #define        PMC_IDR         0x64U           /* 64: Interrupt Disable Reg    */
 #define        PMC_SR          0x68U           /* 68: Status Register          */
 #define        PMC_IMR         0x6CU           /* 6C: Interrupt Mask Reg       */
+#define        PMC_PLLICPR     0x80U           /* 80: PLL Charge Pump Current Reg */
 
 /* System Clock Enable Register bits: */
 #define        PMC_SCSR_PCK3   0x0800U
 #define        PMC_SCSR_PCK2   0x0400U
 #define        PMC_SCSR_PCK1   0x0200U
 #define        PMC_SCSR_PCK0   0x0100U
+#define PMC_SCSR_SAM_UDP 0x0080U
+#define PMC_SCSR_SAM_UHP 0x0040U
 #define        PMC_SCSR_UHP    0x0010U         /* 1 = Enable USB Host Port clks */
 #define        PMC_SCSR_MCKUDP 0x0004U         /* 1 = enable Master Clock dis  */
 #define        PMC_SCSR_UDP    0x0002U         /* 1 = enable USB Device Port clk */
@@ -113,6 +116,10 @@
 #define        PMC_SR_LOCKA            0x0002U
 #define        PMC_SR_MOSCS            0x0001U
 
+/* PLL Charge Pump Current Reg bits: */
+#define        PMC_PLLICPR_ICPPLLA     0x00000001U
+#define        PMC_PLLICPR_ICPPLLB     0x00010000U
+
 #define        PMCREG(offset)          *((volatile uint32_t*)(0xfffffc00UL + (offset)))
 
 #endif /* !_AT91PMCREG_H_ */
diff -r cfc699306e6a -r b90c61f8c233 sys/arch/arm/at91/at91sam9260bus.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/at91/at91sam9260bus.c        Fri Nov 04 17:20:54 2011 +0000
@@ -0,0 +1,161 @@
+/*     $NetBSD: at91sam9260bus.c,v 1.1 2011/11/04 17:20:54 aymeric Exp $       */
+/*
+ * Copied from at91sam9261bus.c
+ * Adaptation to AT91SAM9260 by Aymeric Vincent is in the public domain.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: at91sam9260bus.c,v 1.1 2011/11/04 17:20:54 aymeric Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/time.h>
+#include <sys/device.h>
+#include <uvm/uvm_extern.h>
+
+#include <arm/at91/at91sam9260busvar.h>
+
+const struct at91bus_machdep at91sam9260bus = {
+       at91sam9260bus_init,
+       at91sam9260bus_attach_cn,
+       at91sam9260bus_devmap,
+
+       /* clocking support: */
+       at91sam9260bus_peripheral_clock,
+
+       /* PIO support: */
+       at91sam9260bus_pio_port,
+       at91sam9260bus_gpio_mask,
+
+       /* interrupt handling support: */
+       at91sam9260bus_intr_init,
+       at91sam9260bus_intr_establish,
+       at91sam9260bus_intr_disestablish,
+       at91sam9260bus_intr_poll,
+       at91sam9260bus_intr_dispatch,
+
+       /* configuration */
+       at91sam9260bus_peripheral_name,
+       at91sam9260bus_search_peripherals
+};
+
+void at91sam9260bus_init(struct at91bus_clocks *clocks) {
+       pmap_devmap_register(at91_devmap());
+       at91pmc_get_clocks(clocks);
+}
+
+const struct pmap_devmap *at91sam9260bus_devmap(void) {
+       static const struct pmap_devmap devmap[] = {
+           {
+               AT91SAM9260_APB_VBASE,
+               AT91SAM9260_APB_HWBASE,
+               AT91SAM9260_APB_SIZE,
+               VM_PROT_READ | VM_PROT_WRITE,
+               PTE_NOCACHE
+           },
+
+           {
+               0, 0, 0, 0, 0
+           }
+       };
+
+       return devmap;
+}
+
+void at91sam9260bus_peripheral_clock(int pid, int enable) {
+       switch (pid) {
+       case PID_UHP:
+               if (enable)
+                       PMCREG(PMC_SCER) = PMC_SCSR_SAM_UHP;
+               else
+                       PMCREG(PMC_SCDR) = PMC_SCSR_SAM_UHP;
+               break;
+       }
+       at91pmc_peripheral_clock(pid, enable);
+}
+
+at91pio_port at91sam9260bus_pio_port(int pid) {
+       switch (pid) {
+       case PID_PIOA:  return AT91_PIOA;
+       case PID_PIOB:  return AT91_PIOB;
+       case PID_PIOC:  return AT91_PIOC;
+       default:        panic("%s: pid %d not valid", __FUNCTION__, pid);
+       }
+       
+}
+
+uint32_t at91sam9260bus_gpio_mask(int pid) {
+       return 0xFFFFFFFFUL;
+}
+
+const char *at91sam9260bus_peripheral_name(int pid) {
+       switch (pid) {
+       case PID_FIQ:   return "FIQ";
+       case PID_SYSIRQ:return "SYS";
+       case PID_PIOA:  return "PIOA";
+       case PID_PIOB:  return "PIOB";
+       case PID_PIOC:  return "PIOC";
+       case PID_US0:   return "USART0";
+       case PID_US1:   return "USART1";
+       case PID_US2:   return "USART2";
+       case PID_MCI:   return "MCI";
+       case PID_UDP:   return "UDP";
+       case PID_TWI:   return "TWI";
+       case PID_SPI0:  return "SPI0";
+       case PID_SPI1:  return "SPI1";
+       case PID_SSC:   return "SSC";
+       case PID_TC0:   return "TC0";
+       case PID_TC1:   return "TC1";
+       case PID_TC2:   return "TC2";
+       case PID_UHP:   return "UHP";
+       case PID_EMAC:  return "EMAC";
+       case PID_US3:   return "USART3";
+       case PID_US4:   return "USART4";
+       case PID_US5:   return "USART5";
+       case PID_TC3:   return "TC3";
+       case PID_TC4:   return "TC4";
+       case PID_TC5:   return "TC5";
+       case PID_IRQ0:  return "IRQ0";
+       case PID_IRQ1:  return "IRQ1";
+       case PID_IRQ2:  return "IRQ2";
+       default:        panic("%s: invalid pid %d", __FUNCTION__, pid);
+       }
+}
+
+void at91sam9260bus_search_peripherals(device_t self, 
+                          device_t found_func(device_t, bus_addr_t, int)) {
+       static const struct {
+               bus_addr_t      addr;
+               int             pid;
+       } table[] = {
+               {AT91SAM9260_PMC_BASE,          -1},
+               {AT91SAM9260_AIC_BASE,          -1},
+               {AT91SAM9260_PIT_BASE,          PID_SYSIRQ},
+               {AT91SAM9260_TC0_BASE,          PID_TC0},
+               {AT91SAM9260_TC1_BASE,          PID_TC1},
+               {AT91SAM9260_TC2_BASE,          PID_TC2},
+               {AT91SAM9260_DBGU_BASE,         PID_SYSIRQ},
+               {AT91SAM9260_PIOA_BASE,         PID_PIOA},
+               {AT91SAM9260_PIOB_BASE,         PID_PIOB},
+               {AT91SAM9260_PIOC_BASE,         PID_PIOC},
+               {AT91SAM9260_USART0_BASE,       PID_US0},
+               {AT91SAM9260_USART1_BASE,       PID_US1},
+               {AT91SAM9260_USART2_BASE,       PID_US2},
+               {AT91SAM9260_SSC_BASE,          PID_SSC},
+//             {AT91SAM9260_EMAC_BASE,         PID_EMAC},
+               {AT91SAM9260_TWI_BASE,          PID_TWI},
+               {AT91SAM9260_SPI0_BASE,         PID_SPI0},
+               {AT91SAM9260_SPI1_BASE,         PID_SPI1},
+               {AT91SAM9260_UHP_BASE,          PID_UHP},
+               {AT91SAM9260_UDP_BASE,          PID_UDP},
+               {AT91SAM9260_MCI_BASE,          PID_MCI},
+               {0, 0}
+       };
+       int i;
+
+       for (i = 0; table[i].addr; i++)
+               found_func(self, table[i].addr, table[i].pid);
+}
+
diff -r cfc699306e6a -r b90c61f8c233 sys/arch/arm/at91/at91sam9260busvar.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/at91/at91sam9260busvar.h     Fri Nov 04 17:20:54 2011 +0000
@@ -0,0 +1,62 @@
+/*     $NetBSD: at91sam9260busvar.h,v 1.1 2011/11/04 17:20:54 aymeric Exp $ */
+
+/*
+ * Copyright (c) 2007 Embedtronics Oy
+ * 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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR



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