AT91SAM9260 branch
1. Support Keil MDK development environment 2. Modify EMAC driver according to the changes of lwIP API in reversion 1668 and 1669 git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1681 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
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1f1c6fb47e
commit
da74af2347
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@ -32,6 +32,16 @@
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#endif
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#endif
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#if defined(RT_USING_DFS_DEVFS)
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#include <devfs.h>
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#endif
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#ifdef RT_USING_LWIP
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#include <netif/ethernetif.h>
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#include <arch/sys_arch_init.h>
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#include "macb.h"
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#endif
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#ifdef RT_USING_LED
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#include "led.h"
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#endif
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@ -90,6 +100,7 @@ void rt_init_thread_entry(void* parameter)
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rt_kprintf("UFFS File System initialzation failed!\n");
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}
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#endif
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}
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#endif
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@ -98,8 +109,6 @@ void rt_init_thread_entry(void* parameter)
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/* register ethernetif device */
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eth_system_device_init();
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rt_hw_macb_init();
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/* re-init device driver */
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rt_device_init_all();
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/* init lwip system */
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lwip_sys_init();
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rt_kprintf("TCP/IP initialized!\n");
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@ -68,7 +68,7 @@ struct rt_macb_eth
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/* inherit from ethernet device */
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struct eth_device parent;
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void *regs;
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unsigned int regs;
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unsigned int rx_tail;
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unsigned int tx_head;
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@ -213,9 +213,9 @@ static rt_uint16_t macb_mdio_read(struct rt_macb_eth *macb, rt_uint8_t reg)
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static void macb_phy_reset(rt_device_t dev)
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{
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struct rt_macb_eth *macb = dev->user_data;;
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int i;
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rt_uint16_t status, adv;
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struct rt_macb_eth *macb = dev->user_data;;
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adv = ADVERTISE_CSMA | ADVERTISE_ALL;
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macb_mdio_write(macb, MII_ADVERTISE, adv);
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@ -322,13 +322,15 @@ void macb_update_link(struct rt_macb_eth *macb)
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? 100 : 10);
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macb->duplex = (media & ADVERTISE_FULL) ? 1 : 0;
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rt_kprintf("%s: link up (%dMbps/%s-duplex)\n",
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dev->parent.name, macb->speed,
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DUPLEX_FULL == macb->duplex ? "Full":"Half");
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netif_set_link_up(macb->parent.netif);
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dev->parent.name, macb->speed,
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DUPLEX_FULL == macb->duplex ? "Full":"Half");
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macb->parent.link_status = 1;
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} else {
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rt_kprintf("%s: link down\n", dev->parent.name);
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netif_set_link_down(macb->parent.netif);
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macb->parent.link_status = 0;
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}
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eth_device_linkchange(&macb->parent, RT_TRUE);
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}
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}
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@ -458,13 +460,11 @@ static rt_err_t rt_macb_control(rt_device_t dev, rt_uint8_t cmd, void *args)
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/* transmit packet. */
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rt_err_t rt_macb_tx( rt_device_t dev, struct pbuf* p)
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{
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struct rt_macb_eth *macb = dev->user_data;
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struct pbuf* q;
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rt_uint32_t len;
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rt_uint8_t* bufptr, *buf = RT_NULL;
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unsigned long paddr, ctrl;
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unsigned long ctrl;
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struct rt_macb_eth *macb = dev->user_data;
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unsigned int tx_head = macb->tx_head;
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int i;
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/* lock macb device */
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rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
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@ -500,7 +500,6 @@ rt_err_t rt_macb_tx( rt_device_t dev, struct pbuf* p)
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/* wait ack */
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rt_sem_take(&sem_ack, RT_WAITING_FOREVER);
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rt_free(buf);
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buf == RT_NULL;
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return RT_EOK;
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}
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@ -555,7 +554,7 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
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}
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if (status & RXBUF_FRAME_END) {
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buffer = macb->rx_buffer + 128 * macb->rx_tail;
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buffer = (void *)((unsigned int)macb->rx_buffer + 128 * macb->rx_tail);
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len = status & RXBUF_FRMLEN_MASK;
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p = pbuf_alloc(PBUF_LINK, len, PBUF_RAM);
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if (!p)
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@ -579,14 +578,14 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
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taillen = len - headlen;
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memcpy((void *)buf,
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buffer, headlen);
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memcpy((void *)buf + headlen,
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memcpy((void *)((unsigned int)buf + headlen),
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macb->rx_buffer, taillen);
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buffer = (void *)buf;
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for (q = p; q != RT_NULL; q= q->next)
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{
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/* read data from device */
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memcpy((void *)q->payload, buffer, q->len);
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buffer += q->len;
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buffer = (void *)((unsigned int)buffer + q->len);
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}
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rt_free(buf);
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buf = RT_NULL;
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@ -595,7 +594,7 @@ struct pbuf *rt_macb_rx(rt_device_t dev)
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{
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/* read data from device */
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memcpy((void *)q->payload, buffer, q->len);
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buffer += q->len;
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buffer = (void *)((unsigned int)buffer + q->len);
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}
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}
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@ -643,7 +642,7 @@ void macb_initialize()
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macb->rx_ring_dma = (unsigned long)macb->rx_ring;
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macb->tx_ring_dma = (unsigned long)macb->tx_ring;
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macb->regs = (void *)AT91SAM9260_BASE_EMAC;
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macb->regs = AT91SAM9260_BASE_EMAC;
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macb->phy_addr = 0x00;
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/*
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@ -330,6 +330,7 @@ struct dma_desc {
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#define MACB_TX_USED_OFFSET 31
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#define MACB_TX_USED_SIZE 1
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void rt_hw_macb_init();
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#endif /* _MACB_H */
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@ -158,7 +158,7 @@
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* 100T4 this is fine. If your phy places 100T4 elsewhere in the
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* priority order, you will need to roll your own function.
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*/
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static inline unsigned int mii_nway_result (unsigned int negotiated)
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rt_inline unsigned int mii_nway_result (unsigned int negotiated)
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{
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unsigned int ret;
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@ -20,12 +20,17 @@
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#include <finsh.h>
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#endif
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#ifdef RT_USING_DEVICE
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#include <serial.h>
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#endif
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extern void rt_hw_interrupt_init(void);
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extern void rt_hw_board_init(void);
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extern void rt_serial_init(void);
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extern void rt_system_timer_init(void);
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extern void rt_system_scheduler_init(void);
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extern void rt_thread_idle_init(void);
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extern void mmu_invalidate_icache();
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extern void rt_hw_cpu_icache_enable(void);
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extern void rt_show_version(void);
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extern void rt_system_heap_init(void*, void*);
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return ;
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}
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int main(void)
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{
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/* startup RT-Thread RTOS */
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rtthread_startup();
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return 0;
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}
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/*@}*/
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@ -203,6 +203,10 @@ struct rt_hw_register
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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extern struct clk *clk_get(const char *id);
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extern rt_uint32_t clk_get_rate(struct clk *clk);
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extern void rt_hw_clock_init(void);
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,107 @@
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;/*
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; * File : context_rvds.S
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; * This file is part of RT-Thread RTOS
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; * COPYRIGHT (C) 2006, RT-Thread Development Team
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; *
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; * The license and distribution terms for this file may be
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; * found in the file LICENSE in this distribution or at
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; * http://www.rt-thread.org/license/LICENSE
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; *
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; * Change Logs:
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; * Date Author Notes
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; * 2011-08-14 weety copy from mini2440
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; */
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NOINT EQU 0xc0 ; disable interrupt in psr
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AREA |.text|, CODE, READONLY, ALIGN=2
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ARM
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REQUIRE8
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PRESERVE8
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;/*
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; * rt_base_t rt_hw_interrupt_disable();
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; */
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rt_hw_interrupt_disable PROC
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EXPORT rt_hw_interrupt_disable
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MRS r0, cpsr
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ORR r1, r0, #NOINT
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MSR cpsr_c, r1
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BX lr
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ENDP
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;/*
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; * void rt_hw_interrupt_enable(rt_base_t level);
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; */
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rt_hw_interrupt_enable PROC
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EXPORT rt_hw_interrupt_enable
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MSR cpsr_c, r0
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BX lr
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ENDP
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;/*
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; * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
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; * r0 --> from
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; * r1 --> to
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; */
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rt_hw_context_switch PROC
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EXPORT rt_hw_context_switch
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STMFD sp!, {lr} ; push pc (lr should be pushed in place of PC)
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STMFD sp!, {r0-r12, lr} ; push lr & register file
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MRS r4, cpsr
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STMFD sp!, {r4} ; push cpsr
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MRS r4, spsr
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STMFD sp!, {r4} ; push spsr
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STR sp, [r0] ; store sp in preempted tasks TCB
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LDR sp, [r1] ; get new task stack pointer
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LDMFD sp!, {r4} ; pop new task spsr
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MSR spsr_cxsf, r4
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LDMFD sp!, {r4} ; pop new task cpsr
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MSR cpsr_cxsf, r4
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LDMFD sp!, {r0-r12, lr, pc} ; pop new task r0-r12, lr & pc
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ENDP
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;/*
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; * void rt_hw_context_switch_to(rt_uint32 to);
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; * r0 --> to
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; */
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rt_hw_context_switch_to PROC
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EXPORT rt_hw_context_switch_to
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LDR sp, [r0] ; get new task stack pointer
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LDMFD sp!, {r4} ; pop new task spsr
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MSR spsr_cxsf, r4
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LDMFD sp!, {r4} ; pop new task cpsr
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MSR cpsr_cxsf, r4
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LDMFD sp!, {r0-r12, lr, pc} ; pop new task r0-r12, lr & pc
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ENDP
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;/*
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; * void rt_hw_context_switch_interrupt(rt_uint32 from, rt_uint32 to);
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; */
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IMPORT rt_thread_switch_interrput_flag
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IMPORT rt_interrupt_from_thread
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IMPORT rt_interrupt_to_thread
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rt_hw_context_switch_interrupt PROC
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EXPORT rt_hw_context_switch_interrupt
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LDR r2, =rt_thread_switch_interrput_flag
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LDR r3, [r2]
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CMP r3, #1
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BEQ _reswitch
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MOV r3, #1 ; set rt_thread_switch_interrput_flag to 1
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STR r3, [r2]
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LDR r2, =rt_interrupt_from_thread ; set rt_interrupt_from_thread
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STR r0, [r2]
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_reswitch
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LDR r2, =rt_interrupt_to_thread ; set rt_interrupt_to_thread
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STR r1, [r2]
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BX lr
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ENDP
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END
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@ -1,6 +1,7 @@
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#ifndef __GPIO_H__
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#define __GPIO_H__
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#include <rtthread.h>
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#include <at91_aic.h>
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#define PIN_BASE AIC_IRQS
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@ -111,7 +112,7 @@
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#define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31)
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static inline rt_uint32_t gpio_to_irq(rt_uint32_t gpio)
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rt_inline rt_uint32_t gpio_to_irq(rt_uint32_t gpio)
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{
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return gpio;
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}
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@ -76,6 +76,9 @@ static rt_uint32_t at91sam9260_default_irq_priority[MAX_HANDLERS] = {
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*/
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/*@{*/
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void rt_hw_interrupt_mask(int irq);
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void rt_hw_interrupt_umask(int irq);
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rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
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{
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rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
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@ -102,7 +105,7 @@ rt_isr_handler_t at91_gpio_irq_handle(rt_uint32_t vector)
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irq_n = AIC_IRQS + 32*2;
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}
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else
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return;
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return RT_NULL;
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isr = at91_sys_read(pio+PIO_ISR) & at91_sys_read(pio+PIO_IMR);
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while (isr)
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{
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@ -113,6 +116,8 @@ rt_isr_handler_t at91_gpio_irq_handle(rt_uint32_t vector)
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isr >>= 1;
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irq_n++;
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}
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return RT_NULL;
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}
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/*
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@ -28,16 +28,16 @@
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#define writel(v,a) (*(volatile unsigned int *)(a) = (v))
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static inline unsigned int at91_sys_read(unsigned int reg_offset)
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rt_inline unsigned int at91_sys_read(unsigned int reg_offset)
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{
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void *addr = (void *)AT91_BASE_SYS;
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unsigned int addr = AT91_BASE_SYS;
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return readl(addr + reg_offset);
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}
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static inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
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rt_inline void at91_sys_write(unsigned int reg_offset, unsigned long value)
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{
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void *addr = (void *)AT91_BASE_SYS;
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unsigned int addr = AT91_BASE_SYS;
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writel(value, addr + reg_offset);
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}
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|
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@ -0,0 +1,315 @@
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;/*
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; * File : start_rvds.S
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; * This file is part of RT-Thread RTOS
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; * COPYRIGHT (C) 2006, RT-Thread Development Team
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; *
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; * The license and distribution terms for this file may be
|
||||
; * found in the file LICENSE in this distribution or at
|
||||
; * http://www.rt-thread.org/license/LICENSE
|
||||
; *
|
||||
; * Change Logs:
|
||||
; * Date Author Notes
|
||||
; * 2011-08-14 weety first version
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; */
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; Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs
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Mode_USR EQU 0x10
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Mode_FIQ EQU 0x11
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Mode_IRQ EQU 0x12
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Mode_SVC EQU 0x13
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Mode_ABT EQU 0x17
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Mode_UND EQU 0x1B
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Mode_SYS EQU 0x1F
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SVCMODE EQU 0x13
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MODEMASK EQU 0x1f
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I_Bit EQU 0x80 ; when I bit is set, IRQ is disabled
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F_Bit EQU 0x40 ; when F bit is set, FIQ is disabled
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;----------------------- Stack and Heap Definitions ----------------------------
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;// <h> Stack Configuration (Stack Sizes in Bytes)
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;// <o0> Undefined Mode <0x0-0xFFFFFFFF:8>
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;// <o1> Supervisor Mode <0x0-0xFFFFFFFF:8>
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;// <o2> Abort Mode <0x0-0xFFFFFFFF:8>
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;// <o3> Fast Interrupt Mode <0x0-0xFFFFFFFF:8>
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;// <o4> Interrupt Mode <0x0-0xFFFFFFFF:8>
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;// <o5> User/System Mode <0x0-0xFFFFFFFF:8>
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;// </h>
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UND_Stack_Size EQU 512
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SVC_Stack_Size EQU 4096
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ABT_Stack_Size EQU 512
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FIQ_Stack_Size EQU 1024
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IRQ_Stack_Size EQU 1024
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USR_Stack_Size EQU 512
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ISR_Stack_Size EQU (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \
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FIQ_Stack_Size + IRQ_Stack_Size)
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AREA STACK, NOINIT, READWRITE, ALIGN=3
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Stack_Mem SPACE USR_Stack_Size
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__initial_sp SPACE ISR_Stack_Size
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Stack_Top
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|
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;// <h> Heap Configuration
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;// <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF>
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;// </h>
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Heap_Size EQU 0x00000000
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AREA HEAP, NOINIT, READWRITE, ALIGN=3
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__heap_base
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Heap_Mem SPACE Heap_Size
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__heap_limit
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;----------------------- Memory Definitions ------------------------------------
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AT91_MATRIX_BASE EQU 0xffffee00
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AT91_MATRIX_MRCR EQU (AT91_MATRIX_BASE + 0x100)
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AT91_MATRIX_RCB0 EQU 0x00000001
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AT91_MATRIX_RCB1 EQU 0x00000002
|
||||
AT91_AIC_BASE EQU 0xfffff000
|
||||
AT91_AIC_IDCR EQU 0x124
|
||||
AT91_AIC_ICCR EQU 0x128
|
||||
|
||||
;----------------------- CODE --------------------------------------------------
|
||||
|
||||
PRESERVE8
|
||||
|
||||
|
||||
; Area Definition and Entry Point
|
||||
; Startup Code must be linked first at Address at which it expects to run.
|
||||
|
||||
AREA RESET, CODE, READONLY
|
||||
ARM
|
||||
|
||||
; Exception Vectors
|
||||
; Mapped to Address 0.
|
||||
; Absolute addressing mode must be used.
|
||||
; Dummy Handlers are implemented as infinite loops which can be modified.
|
||||
|
||||
EXPORT Entry_Point
|
||||
Entry_Point
|
||||
Vectors LDR PC, Reset_Addr
|
||||
LDR PC, Undef_Addr
|
||||
LDR PC, SWI_Addr
|
||||
LDR PC, PAbt_Addr
|
||||
LDR PC, DAbt_Addr
|
||||
NOP
|
||||
LDR PC, IRQ_Addr
|
||||
LDR PC, FIQ_Addr
|
||||
|
||||
Reset_Addr DCD Reset_Handler
|
||||
Undef_Addr DCD Undef_Handler
|
||||
SWI_Addr DCD SWI_Handler
|
||||
PAbt_Addr DCD PAbt_Handler
|
||||
DAbt_Addr DCD DAbt_Handler
|
||||
DCD 0 ; Reserved Address
|
||||
IRQ_Addr DCD IRQ_Handler
|
||||
FIQ_Addr DCD FIQ_Handler
|
||||
|
||||
Undef_Handler B Undef_Handler
|
||||
SWI_Handler B SWI_Handler
|
||||
PAbt_Handler B PAbt_Handler
|
||||
;DAbt_Handler B DAbt_Handler
|
||||
FIQ_Handler B FIQ_Handler
|
||||
|
||||
;*
|
||||
;*************************************************************************
|
||||
;*
|
||||
;* Interrupt handling
|
||||
;*
|
||||
;*************************************************************************
|
||||
;*
|
||||
; DAbt Handler
|
||||
DAbt_Handler
|
||||
IMPORT rt_hw_trap_dabt
|
||||
|
||||
sub sp, sp, #72
|
||||
stmia sp, {r0 - r12} ;/* Calling r0-r12 */
|
||||
add r8, sp, #60
|
||||
stmdb r8, {sp, lr} ;/* Calling SP, LR */
|
||||
str lr, [r8, #0] ;/* Save calling PC */
|
||||
mrs r6, spsr
|
||||
str r6, [r8, #4] ;/* Save CPSR */
|
||||
str r0, [r8, #8] ;/* Save OLD_R0 */
|
||||
mov r0, sp
|
||||
|
||||
bl rt_hw_trap_dabt
|
||||
|
||||
|
||||
;##########################################
|
||||
; Reset Handler
|
||||
|
||||
EXPORT Reset_Handler
|
||||
Reset_Handler
|
||||
|
||||
|
||||
; set the cpu to SVC32 mode-----------------------------------------------------
|
||||
|
||||
MRS R0,CPSR
|
||||
BIC R0,R0,#MODEMASK
|
||||
ORR R0,R0,#SVCMODE
|
||||
MSR CPSR_cxsf,R0
|
||||
LDR R1, =AT91_AIC_BASE
|
||||
LDR R0, =0xffffffff
|
||||
STR R0, [R1, #AT91_AIC_IDCR]
|
||||
STR R0, [R1, #AT91_AIC_ICCR]
|
||||
|
||||
; remap internal ram to 0x00000000 address
|
||||
LDR R0, =AT91_MATRIX_MRCR
|
||||
LDR R1, =(AT91_MATRIX_RCB0|AT91_MATRIX_RCB1)
|
||||
STR R1, [R0]
|
||||
|
||||
|
||||
; Copy Exception Vectors to Internal RAM ---------------------------------------
|
||||
|
||||
ADR R8, Vectors ; Source
|
||||
LDR R9, =0x00 ; Destination
|
||||
LDMIA R8!, {R0-R7} ; Load Vectors
|
||||
STMIA R9!, {R0-R7} ; Store Vectors
|
||||
LDMIA R8!, {R0-R7} ; Load Handler Addresses
|
||||
STMIA R9!, {R0-R7} ; Store Handler Addresses
|
||||
|
||||
|
||||
; Setup Stack for each mode ----------------------------------------------------
|
||||
|
||||
LDR R0, =Stack_Top
|
||||
|
||||
; Enter Undefined Instruction Mode and set its Stack Pointer
|
||||
MSR CPSR_c, #Mode_UND:OR:I_Bit:OR:F_Bit
|
||||
MOV SP, R0
|
||||
SUB R0, R0, #UND_Stack_Size
|
||||
|
||||
; Enter Abort Mode and set its Stack Pointer
|
||||
MSR CPSR_c, #Mode_ABT:OR:I_Bit:OR:F_Bit
|
||||
MOV SP, R0
|
||||
SUB R0, R0, #ABT_Stack_Size
|
||||
|
||||
; Enter FIQ Mode and set its Stack Pointer
|
||||
MSR CPSR_c, #Mode_FIQ:OR:I_Bit:OR:F_Bit
|
||||
MOV SP, R0
|
||||
SUB R0, R0, #FIQ_Stack_Size
|
||||
|
||||
; Enter IRQ Mode and set its Stack Pointer
|
||||
MSR CPSR_c, #Mode_IRQ:OR:I_Bit:OR:F_Bit
|
||||
MOV SP, R0
|
||||
SUB R0, R0, #IRQ_Stack_Size
|
||||
|
||||
; Enter Supervisor Mode and set its Stack Pointer
|
||||
MSR CPSR_c, #Mode_SVC:OR:I_Bit:OR:F_Bit
|
||||
MOV SP, R0
|
||||
SUB R0, R0, #SVC_Stack_Size
|
||||
|
||||
; Enter User Mode and set its Stack Pointer
|
||||
; MSR CPSR_c, #Mode_USR
|
||||
MOV SP, R0
|
||||
SUB SL, SP, #USR_Stack_Size
|
||||
|
||||
; Enter the C code -------------------------------------------------------------
|
||||
|
||||
IMPORT __main
|
||||
LDR R0, =__main
|
||||
BX R0
|
||||
|
||||
IMPORT rt_interrupt_enter
|
||||
IMPORT rt_interrupt_leave
|
||||
IMPORT rt_thread_switch_interrput_flag
|
||||
IMPORT rt_interrupt_from_thread
|
||||
IMPORT rt_interrupt_to_thread
|
||||
IMPORT rt_hw_trap_irq
|
||||
|
||||
IRQ_Handler PROC
|
||||
EXPORT IRQ_Handler
|
||||
STMFD sp!, {r0-r12,lr}
|
||||
BL rt_interrupt_enter
|
||||
BL rt_hw_trap_irq
|
||||
BL rt_interrupt_leave
|
||||
|
||||
; if rt_thread_switch_interrput_flag set, jump to
|
||||
; rt_hw_context_switch_interrupt_do and don't return
|
||||
LDR r0, =rt_thread_switch_interrput_flag
|
||||
LDR r1, [r0]
|
||||
CMP r1, #1
|
||||
BEQ rt_hw_context_switch_interrupt_do
|
||||
|
||||
LDMFD sp!, {r0-r12,lr}
|
||||
SUBS pc, lr, #4
|
||||
ENDP
|
||||
|
||||
; /*
|
||||
; * void rt_hw_context_switch_interrupt_do(rt_base_t flag)
|
||||
; */
|
||||
rt_hw_context_switch_interrupt_do PROC
|
||||
EXPORT rt_hw_context_switch_interrupt_do
|
||||
MOV r1, #0 ; clear flag
|
||||
STR r1, [r0]
|
||||
|
||||
LDMFD sp!, {r0-r12,lr}; reload saved registers
|
||||
STMFD sp!, {r0-r3} ; save r0-r3
|
||||
MOV r1, sp
|
||||
ADD sp, sp, #16 ; restore sp
|
||||
SUB r2, lr, #4 ; save old task's pc to r2
|
||||
|
||||
MRS r3, spsr ; get cpsr of interrupt thread
|
||||
|
||||
; switch to SVC mode and no interrupt
|
||||
MSR cpsr_c, #I_Bit:OR:F_Bit:OR:Mode_SVC
|
||||
|
||||
STMFD sp!, {r2} ; push old task's pc
|
||||
STMFD sp!, {r4-r12,lr}; push old task's lr,r12-r4
|
||||
MOV r4, r1 ; Special optimised code below
|
||||
MOV r5, r3
|
||||
LDMFD r4!, {r0-r3}
|
||||
STMFD sp!, {r0-r3} ; push old task's r3-r0
|
||||
STMFD sp!, {r5} ; push old task's cpsr
|
||||
MRS r4, spsr
|
||||
STMFD sp!, {r4} ; push old task's spsr
|
||||
|
||||
LDR r4, =rt_interrupt_from_thread
|
||||
LDR r5, [r4]
|
||||
STR sp, [r5] ; store sp in preempted tasks's TCB
|
||||
|
||||
LDR r6, =rt_interrupt_to_thread
|
||||
LDR r6, [r6]
|
||||
LDR sp, [r6] ; get new task's stack pointer
|
||||
|
||||
LDMFD sp!, {r4} ; pop new task's spsr
|
||||
MSR spsr_cxsf, r4
|
||||
LDMFD sp!, {r4} ; pop new task's psr
|
||||
MSR cpsr_cxsf, r4
|
||||
|
||||
LDMFD sp!, {r0-r12,lr,pc} ; pop new task's r0-r12,lr & pc
|
||||
ENDP
|
||||
|
||||
IF :DEF:__MICROLIB
|
||||
|
||||
EXPORT __heap_base
|
||||
EXPORT __heap_limit
|
||||
|
||||
ELSE
|
||||
; User Initial Stack & Heap
|
||||
AREA |.text|, CODE, READONLY
|
||||
|
||||
IMPORT __use_two_region_memory
|
||||
EXPORT __user_initial_stackheap
|
||||
__user_initial_stackheap
|
||||
|
||||
LDR R0, = Heap_Mem
|
||||
LDR R1, =(Stack_Mem + USR_Stack_Size)
|
||||
LDR R2, = (Heap_Mem + Heap_Size)
|
||||
LDR R3, = Stack_Mem
|
||||
BX LR
|
||||
ENDIF
|
||||
|
||||
|
||||
END
|
||||
|
|
@ -26,34 +26,52 @@ struct clk {
|
|||
};
|
||||
|
||||
static struct clk clk32k = {
|
||||
.name = "clk32k",
|
||||
.rate_hz = AT91_SLOW_CLOCK,
|
||||
"clk32k",
|
||||
AT91_SLOW_CLOCK,
|
||||
RT_NULL,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk main_clk = {
|
||||
.name = "main",
|
||||
"main",
|
||||
0,
|
||||
RT_NULL,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk plla = {
|
||||
.name = "plla",
|
||||
"plla",
|
||||
0,
|
||||
RT_NULL,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk mck = {
|
||||
.name = "mck",
|
||||
"mck",
|
||||
0,
|
||||
RT_NULL,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk uhpck = {
|
||||
.name = "uhpck",
|
||||
"uhpck",
|
||||
0,
|
||||
RT_NULL,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk pllb = {
|
||||
.name = "pllb",
|
||||
.parent = &main_clk,
|
||||
"pllb",
|
||||
0,
|
||||
&main_clk,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk udpck = {
|
||||
.name = "udpck",
|
||||
.parent = &pllb,
|
||||
"udpck",
|
||||
0,
|
||||
&pllb,
|
||||
{RT_NULL, RT_NULL},
|
||||
};
|
||||
|
||||
static struct clk *const standard_pmc_clocks[] = {
|
||||
|
@ -75,7 +93,7 @@ struct clk *clk_get(const char *id)
|
|||
for (list = (&clocks)->next; list != &clocks; list = list->next)
|
||||
{
|
||||
clk = (struct clk *)rt_list_entry(list, struct clk, node);
|
||||
if (strcmp(id, clk->name) == 0)
|
||||
if (rt_strcmp(id, clk->name) == 0)
|
||||
return clk;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue