mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

etrax: Allocate DMA connections at board level.

Browse Source 
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2011-08-09 12:13:26 +02:00
parent bbea04df98
commit 1da005b374
3 changed files with 28 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
hw/axis_dev88.c
View File

@ -255,7 +255,7 @@ void axisdev88_init (ram_addr_t ram_size,
DriveInfo *nand;
qemu_irq irq[30], nmi[2], *cpu_irq;
void *etraxfs_dmac;
struct etraxfs_dma_client *eth[2] = {NULL, NULL};
struct etraxfs_dma_client *dma_eth;
int i;
int nand_regs;
int gpio_regs;
@ -315,16 +315,18 @@ void axisdev88_init (ram_addr_t ram_size,
}
/* Add the two ethernet blocks. */
eth[0] = etraxfs_eth_init(&nd_table[0], 0x30034000, 1);
if (nb_nics > 1)
eth[1] = etraxfs_eth_init(&nd_table[1], 0x30036000, 2);
dma_eth = qemu_mallocz(sizeof dma_eth[0] * 4); /* Allocate 4 channels. */
etraxfs_eth_init(&nd_table[0], 0x30034000, 1, &dma_eth[0], &dma_eth[1]);
if (nb_nics > 1) {
etraxfs_eth_init(&nd_table[1], 0x30036000, 2, &dma_eth[2], &dma_eth[3]);
}
/* The DMA Connector block is missing, hardwire things for now. */
etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth[0]);
etraxfs_dmac_connect_client(etraxfs_dmac, 1, eth[0] + 1);
if (eth[1]) {
etraxfs_dmac_connect_client(etraxfs_dmac, 6, eth[1]);
etraxfs_dmac_connect_client(etraxfs_dmac, 7, eth[1] + 1);
etraxfs_dmac_connect_client(etraxfs_dmac, 0, &dma_eth[0]);
etraxfs_dmac_connect_client(etraxfs_dmac, 1, &dma_eth[1]);
if (nb_nics > 1) {
etraxfs_dmac_connect_client(etraxfs_dmac, 6, &dma_eth[2]);
etraxfs_dmac_connect_client(etraxfs_dmac, 7, &dma_eth[3]);
}
/* 2 timers. */

4
hw/etraxfs.h
View File

@ -25,4 +25,6 @@
#include "etraxfs_dma.h"
qemu_irq *cris_pic_init_cpu(CPUState *env);
void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr);
void etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr,
struct etraxfs_dma_client *dma_out,
struct etraxfs_dma_client *dma_in);

26
hw/etraxfs_eth.c
View File

@ -562,7 +562,11 @@ static void eth_cleanup(VLANClientState *nc)
cpu_unregister_io_memory(eth->ethregs);
qemu_free(eth->dma_out);
/* Disconnect the client. */
eth->dma_out->client.push = NULL;
eth->dma_out->client.opaque = NULL;
eth->dma_in->client.opaque = NULL;
eth->dma_in->client.pull = NULL;
qemu_free(eth);
}
@ -575,23 +579,23 @@ static NetClientInfo net_etraxfs_info = {
.link_status_changed = eth_set_link,
};
void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr)
void etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr,
struct etraxfs_dma_client *dma_out,
struct etraxfs_dma_client *dma_in)
{
struct etraxfs_dma_client *dma = NULL;
struct fs_eth *eth = NULL;
qemu_check_nic_model(nd, "fseth");
dma = qemu_mallocz(sizeof *dma * 2);
eth = qemu_mallocz(sizeof *eth);
dma[0].client.push = eth_tx_push;
dma[0].client.opaque = eth;
dma[1].client.opaque = eth;
dma[1].client.pull = NULL;
dma_out->client.push = eth_tx_push;
dma_out->client.opaque = eth;
dma_in->client.opaque = eth;
dma_in->client.pull = NULL;
eth->dma_out = dma;
eth->dma_in = dma + 1;
eth->dma_out = dma_out;
eth->dma_in = dma_in;
/* Connect the phy. */
eth->phyaddr = phyaddr & 0x1f;
@ -608,6 +612,4 @@ void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr)
eth->nic = qemu_new_nic(&net_etraxfs_info, &eth->conf,
nd->model, nd->name, eth);
return dma;
}