release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pxa/pxa300.c

   1 /*
   2  * linux/arch/arm/mach-pxa/pxa300.c
   3  *
   4  * Code specific to PXA300/PXA310
   5  *
   6  * Copyright (C) 2007 Marvell Internation Ltd.
   7  *
   8  * 2007-08-21: eric miao <eric.miao@marvell.com>
   9  *             initial version
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/platform_device.h>
  19
  20 #include <mach/pxa300.h>
  21
  22 #include "generic.h"
  23 #include "devices.h"
  24 #include "clock.h"
  25
  26 static struct mfp_addr_map pxa300_mfp_addr_map[] __initdata = {
  27
  28         MFP_ADDR_X(GPIO0,   GPIO2,   0x00b4),
  29         MFP_ADDR_X(GPIO3,   GPIO26,  0x027c),
  30         MFP_ADDR_X(GPIO27,  GPIO98,  0x0400),
  31         MFP_ADDR_X(GPIO99,  GPIO127, 0x0600),
  32         MFP_ADDR_X(GPIO0_2, GPIO1_2, 0x0674),
  33         MFP_ADDR_X(GPIO2_2, GPIO6_2, 0x02dc),
  34
  35         MFP_ADDR(nBE0, 0x0204),
  36         MFP_ADDR(nBE1, 0x0208),
  37
  38         MFP_ADDR(nLUA, 0x0244),
  39         MFP_ADDR(nLLA, 0x0254),
  40
  41         MFP_ADDR(DF_CLE_nOE, 0x0240),
  42         MFP_ADDR(DF_nRE_nOE, 0x0200),
  43         MFP_ADDR(DF_ALE_nWE, 0x020C),
  44         MFP_ADDR(DF_INT_RnB, 0x00C8),
  45         MFP_ADDR(DF_nCS0, 0x0248),
  46         MFP_ADDR(DF_nCS1, 0x0278),
  47         MFP_ADDR(DF_nWE, 0x00CC),
  48
  49         MFP_ADDR(DF_ADDR0, 0x0210),
  50         MFP_ADDR(DF_ADDR1, 0x0214),
  51         MFP_ADDR(DF_ADDR2, 0x0218),
  52         MFP_ADDR(DF_ADDR3, 0x021C),
  53
  54         MFP_ADDR(DF_IO0, 0x0220),
  55         MFP_ADDR(DF_IO1, 0x0228),
  56         MFP_ADDR(DF_IO2, 0x0230),
  57         MFP_ADDR(DF_IO3, 0x0238),
  58         MFP_ADDR(DF_IO4, 0x0258),
  59         MFP_ADDR(DF_IO5, 0x0260),
  60         MFP_ADDR(DF_IO6, 0x0268),
  61         MFP_ADDR(DF_IO7, 0x0270),
  62         MFP_ADDR(DF_IO8, 0x0224),
  63         MFP_ADDR(DF_IO9, 0x022C),
  64         MFP_ADDR(DF_IO10, 0x0234),
  65         MFP_ADDR(DF_IO11, 0x023C),
  66         MFP_ADDR(DF_IO12, 0x025C),
  67         MFP_ADDR(DF_IO13, 0x0264),
  68         MFP_ADDR(DF_IO14, 0x026C),
  69         MFP_ADDR(DF_IO15, 0x0274),
  70
  71         MFP_ADDR_END,
  72 };
  73
  74 /* override pxa300 MFP register addresses */
  75 static struct mfp_addr_map pxa310_mfp_addr_map[] __initdata = {
  76         MFP_ADDR_X(GPIO30,  GPIO98,   0x0418),
  77         MFP_ADDR_X(GPIO7_2, GPIO12_2, 0x052C),
  78
  79         MFP_ADDR(ULPI_STP, 0x040C),
  80         MFP_ADDR(ULPI_NXT, 0x0410),
  81         MFP_ADDR(ULPI_DIR, 0x0414),
  82
  83         MFP_ADDR_END,
  84 };
  85
  86 static DEFINE_PXA3_CKEN(common_nand, NAND, 156000000, 0);
  87 static DEFINE_PXA3_CKEN(gcu, PXA300_GCU, 0, 0);
  88
  89 static struct clk_lookup common_clkregs[] = {
  90         INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", NULL),
  91         INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL),
  92 };
  93
  94 static DEFINE_PXA3_CKEN(pxa310_mmc3, MMC3, 19500000, 0);
  95
  96 static struct clk_lookup pxa310_clkregs[] = {
  97         INIT_CLKREG(&clk_pxa310_mmc3, "pxa2xx-mci.2", NULL),
  98 };
  99
 100 static int __init pxa300_init(void)
 101 {
 102         if (cpu_is_pxa300() || cpu_is_pxa310()) {
 103                 mfp_init_base(io_p2v(MFPR_BASE));
 104                 mfp_init_addr(pxa300_mfp_addr_map);
 105                 clkdev_add_table(ARRAY_AND_SIZE(common_clkregs));
 106         }
 107
 108         if (cpu_is_pxa310()) {
 109                 mfp_init_addr(pxa310_mfp_addr_map);
 110                 clkdev_add_table(ARRAY_AND_SIZE(pxa310_clkregs));
 111         }
 112
 113         return 0;
 114 }
 115
 116 core_initcall(pxa300_init);