diff options
author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2007-04-25 12:50:25 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2007-04-25 12:50:25 +0000 |
commit | f4392b88bb0e38c0b4a1e586dfc6502edde6be92 (patch) | |
tree | 41a1365abe91faad8de6875ff1beac5dab88d8ed /c/src/lib/libbsp/arm/rtl22xx/network | |
parent | Fixup CVS Ids. (diff) | |
download | rtems-f4392b88bb0e38c0b4a1e586dfc6502edde6be92.tar.bz2 |
2007-04-25 Ray Xu <xr@trasin.net>
* Makefile.am, README, bsp_specs, configure.ac,
console/lpc22xx_uart.h, console/uart.c, include/bsp.h,
network/network.c: New (Initial submission).
Diffstat (limited to 'c/src/lib/libbsp/arm/rtl22xx/network')
-rw-r--r-- | c/src/lib/libbsp/arm/rtl22xx/network/network.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/rtl22xx/network/network.c b/c/src/lib/libbsp/arm/rtl22xx/network/network.c new file mode 100644 index 0000000000..b9917ea45e --- /dev/null +++ b/c/src/lib/libbsp/arm/rtl22xx/network/network.c @@ -0,0 +1,126 @@ +/*Note: this file is copy from 7312 BSP, and untested yet*/ +#include <rtems.h> +#include <sys/mbuf.h> +#include <irq.h> +#include <libchip/cs8900.h> + +#define CS8900_BASE 0x20000300 +unsigned int bsp_cs8900_io_base = 0; +unsigned int bsp_cs8900_memory_base = 0; +cs8900_device *g_cs; +rtems_isr cs8900_isr(rtems_vector_number v); +rtems_irq_connect_data cs8900_isr_data = {LPC22xx_INTERRUPT_EINT2, + (rtems_irq_hdl)cs8900_isr, + NULL, + NULL, + NULL, + 0, + 0 }; + +char g_enetbuf[1520]; + +rtems_isr cs8900_isr(rtems_vector_number v) +{ + cs8900_interrupt(v, g_cs); +} + +/* cs8900_io_set_reg - set one of the I/O addressed registers */ +void cs8900_io_set_reg (cs8900_device *cs, unsigned short reg, unsigned short data) +{ + /* works the same for all values of dev */ +/* + printf("cs8900_io_set_reg: reg: %#6x, val %#6x\n", + CS8900_BASE + reg, + data); +*/ + *(unsigned short *)(CS8900_BASE + reg) = data; +} + +/* cs8900_io_get_reg - reads one of the I/O addressed registers */ +unsigned short cs8900_io_get_reg (cs8900_device *cs, unsigned short reg) +{ + unsigned short val; + /* works the same for all values of dev */ + val = *(unsigned short *)(CS8900_BASE + reg); +/* + printf("cs8900_io_get_reg: reg: %#6x, val %#6x\n", reg, val); +*/ + return val; +} + +/* cs8900_mem_set_reg - sets one of the registers mapped through + * PacketPage + */ +void cs8900_mem_set_reg (cs8900_device *cs, unsigned long reg, unsigned short data) +{ + /* works the same for all values of dev */ + cs8900_io_set_reg(cs, CS8900_IO_PACKET_PAGE_PTR, reg); + cs8900_io_set_reg(cs, CS8900_IO_PP_DATA_PORT0, data); +} + +/* cs8900_mem_get_reg - reads one of the registers mapped through + * PacketPage + */ +unsigned short cs8900_mem_get_reg (cs8900_device *cs, unsigned long reg) +{ + /* works the same for all values of dev */ + cs8900_io_set_reg(cs, CS8900_IO_PACKET_PAGE_PTR, reg); + return cs8900_io_get_reg(cs, CS8900_IO_PP_DATA_PORT0); +} + +void cs8900_get_mac_addr (cs8900_device *cs, unsigned char *mac_address) +{ + mac_address[0] = 0x08; + mac_address[1] = 0x00; + mac_address[2] = 0x3e; + mac_address[3] = 0x21; + mac_address[4] = 0xc7; + mac_address[5] = 0xf7; +} + +void cs8900_attach_interrupt (cs8900_device *cs) +{ + g_cs = cs; + BSP_install_rtems_irq_handler(&cs8900_isr_data); +} + +void cs8900_detach_interrupt (cs8900_device *cs) +{ + BSP_remove_rtems_irq_handler(&cs8900_isr_data); +} + +unsigned short cs8900_get_data_block (cs8900_device *cs, unsigned char *data) +{ + int len; + int i; + + len = cs8900_mem_get_reg(cs, CS8900_PP_RxLength); + + for (i = 0; i < ((len + 1) / 2); i++) { + ((short *)data)[i] = cs8900_io_get_reg(cs, + CS8900_IO_RX_TX_DATA_PORT0); + } + return len; +} + +void cs8900_tx_load (cs8900_device *cs, struct mbuf *m) +{ + int len; + unsigned short *data; + int i; + + len = 0; + + do { + memcpy(&g_enetbuf[len], mtod(m, const void *), m->m_len); + len += m->m_len; + m = m->m_next; + } while (m != 0); + + data = (unsigned short *) &g_enetbuf[0]; + for (i = 0; i < ((len + 1) / 2); i++) { + cs8900_io_set_reg(cs, + CS8900_IO_RX_TX_DATA_PORT0, + data[i]); + } +} |