arch/arm/mach-vt8500/devices-vt8500.c

   1 /* linux/arch/arm/mach-vt8500/devices-vt8500.c
   2  *
   3  * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #include <linux/platform_device.h>
  17
  18 #include <mach/vt8500_regs.h>
  19 #include <mach/vt8500_irqs.h>
  20 #include <mach/i8042.h>
  21 #include "devices.h"
  22
  23 void __init vt8500_set_resources(void)
  24 {
  25         struct resource tmp[3];
  26
  27         tmp[0] = wmt_mmio_res(VT8500_LCDC_BASE, SZ_1K);
  28         tmp[1] = wmt_irq_res(IRQ_LCDC);
  29         wmt_res_add(&vt8500_device_lcdc, tmp, 2);
  30
  31         tmp[0] = wmt_mmio_res(VT8500_UART0_BASE, 0x1040);
  32         tmp[1] = wmt_irq_res(IRQ_UART0);
  33         wmt_res_add(&vt8500_device_uart0, tmp, 2);
  34
  35         tmp[0] = wmt_mmio_res(VT8500_UART1_BASE, 0x1040);
  36         tmp[1] = wmt_irq_res(IRQ_UART1);
  37         wmt_res_add(&vt8500_device_uart1, tmp, 2);
  38
  39         tmp[0] = wmt_mmio_res(VT8500_UART2_BASE, 0x1040);
  40         tmp[1] = wmt_irq_res(IRQ_UART2);
  41         wmt_res_add(&vt8500_device_uart2, tmp, 2);
  42
  43         tmp[0] = wmt_mmio_res(VT8500_UART3_BASE, 0x1040);
  44         tmp[1] = wmt_irq_res(IRQ_UART3);
  45         wmt_res_add(&vt8500_device_uart3, tmp, 2);
  46
  47         tmp[0] = wmt_mmio_res(VT8500_EHCI_BASE, SZ_512);
  48         tmp[1] = wmt_irq_res(IRQ_EHCI);
  49         wmt_res_add(&vt8500_device_ehci, tmp, 2);
  50
  51         /* vt8500 uses a single IRQ for both EHCI and UHCI controllers */
  52         tmp[0] = wmt_mmio_res(VT8500_UHCI_BASE, SZ_512);
  53         tmp[1] = wmt_irq_res(IRQ_EHCI);
  54         wmt_res_add(&vt8500_device_uhci, tmp, 2);
  55
  56         tmp[0] = wmt_mmio_res(VT8500_GEGEA_BASE, SZ_256);
  57         wmt_res_add(&vt8500_device_ge_rops, tmp, 1);
  58
  59         tmp[0] = wmt_mmio_res(VT8500_PWM_BASE, 0x44);
  60         wmt_res_add(&vt8500_device_pwm, tmp, 1);
  61
  62         tmp[0] = wmt_mmio_res(VT8500_RTC_BASE, 0x2c);
  63         tmp[1] = wmt_irq_res(IRQ_RTC);
  64         tmp[2] = wmt_irq_res(IRQ_RTCSM);
  65         wmt_res_add(&vt8500_device_rtc, tmp, 3);
  66 }
  67
  68 static void __init vt8500_set_externs(void)
  69 {
  70         /* Non-resource-aware stuff */
  71         wmt_ic_base = VT8500_IC_BASE;
  72         wmt_gpio_base = VT8500_GPIO_BASE;
  73         wmt_pmc_base = VT8500_PMC_BASE;
  74         wmt_i8042_base = VT8500_PS2_BASE;
  75
  76         wmt_nr_irqs = VT8500_NR_IRQS;
  77         wmt_timer_irq = IRQ_PMCOS0;
  78         wmt_gpio_ext_irq[0] = IRQ_EXT0;
  79         wmt_gpio_ext_irq[1] = IRQ_EXT1;
  80         wmt_gpio_ext_irq[2] = IRQ_EXT2;
  81         wmt_gpio_ext_irq[3] = IRQ_EXT3;
  82         wmt_gpio_ext_irq[4] = IRQ_EXT4;
  83         wmt_gpio_ext_irq[5] = IRQ_EXT5;
  84         wmt_gpio_ext_irq[6] = IRQ_EXT6;
  85         wmt_gpio_ext_irq[7] = IRQ_EXT7;
  86         wmt_i8042_kbd_irq = IRQ_PS2KBD;
  87         wmt_i8042_aux_irq = IRQ_PS2MOUSE;
  88 }
  89
  90 void __init vt8500_map_io(void)
  91 {
  92         iotable_init(wmt_io_desc, ARRAY_SIZE(wmt_io_desc));
  93
  94         /* Should be done before interrupts and timers are initialized */
  95         vt8500_set_externs();
  96 }