2009-09-27 11:23:33 +03:00
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#pypp 0
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// Iris: micro-kernel for a capability-based operating system.
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// mips/trendtac/board.ccp: trendtac-specific functions.
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// Copyright 2009 Bas Wijnen <wijnen@debian.org>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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2009-10-31 10:32:23 +02:00
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#define ARCH
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#define INIT
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#include "kernel.hh"
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2009-09-27 11:23:33 +03:00
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void board_init ():
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// Disable all gpio interrupts and alternate functions initially.
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for unsigned i = 0; i < 4; ++i:
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GPIO_GPIER (i) = 0
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GPIO_GPALR (i) = 0
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GPIO_GPAUR (i) = 0
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// Set up the rest of the hardware (copied from Linux).
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cpm_idle_mode ()
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cpm_enable_cko1 ()
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cpm_start_all ()
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harb_set_priority (0x08)
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dmac_enable_all_channels ()
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harb_usb0_uhc ()
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gpio_as_emc ()
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gpio_as_uart0 ()
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gpio_as_dma ()
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gpio_as_eth ()
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gpio_as_usb ()
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gpio_as_lcd_master ()
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gpio_as_ssi()
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gpio_as_msc ()
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gpio_as_gpio (GPIO_CAPS_PORT, GPIO_CAPS)
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gpio_as_gpio (GPIO_SCROLL_PORT, GPIO_SCROLL)
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gpio_as_gpio (GPIO_NUM_PORT, GPIO_NUM)
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gpio_as_gpio (GPIO_TP_LEFT_PORT, GPIO_TP_LEFT)
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gpio_as_gpio (GPIO_TP_RIGHT_PORT, GPIO_TP_RIGHT)
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// Start the operating system timer, and set it to give an interrupt immediately.
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// This is better, because the kernel starts with jumping into the idle task and
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// waiting for the first interrupt.
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unsigned latch = (JZ_EXTAL + (HZ >> 1)) / HZ
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ost_disable_all ()
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ost_set_mode (0, OST_TCSR_UIE | OST_TCSR_CKS_EXTAL)
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ost_set_reload (0, latch)
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ost_set_count (0, 1)
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ost_set_mode (0, OST_TCSR_UIE | OST_TCSR_CKS_EXTAL)
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ost_enable_channel (0)
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2009-10-31 10:32:23 +02:00
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void arch_reboot ():
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// Wait for serial port to be done.
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while !(UART0_LSR & UARTLSR_TEMT):
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// Reboot.
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wdt_set_count (~0)
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wdt_start ()
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// Wait for wdt to trigger reboot.
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while true:
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