diff options
Diffstat (limited to 'drivers/net/fec_8xx/fec_8xx-netta.c')
| -rw-r--r-- | drivers/net/fec_8xx/fec_8xx-netta.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/drivers/net/fec_8xx/fec_8xx-netta.c b/drivers/net/fec_8xx/fec_8xx-netta.c new file mode 100644 index 00000000000..29c275e1d56 --- /dev/null +++ b/drivers/net/fec_8xx/fec_8xx-netta.c @@ -0,0 +1,153 @@ +/* + * FEC instantatiation file for NETTA + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> + +#include <asm/8xx_immap.h> +#include <asm/pgtable.h> +#include <asm/mpc8xx.h> +#include <asm/irq.h> +#include <asm/uaccess.h> +#include <asm/commproc.h> + +#include "fec_8xx.h" + +/*************************************************/ + +static struct fec_platform_info fec1_info = { + .fec_no = 0, + .use_mdio = 1, + .phy_addr = 8, + .fec_irq = SIU_LEVEL1, + .phy_irq = CPM_IRQ_OFFSET + CPMVEC_PIO_PC6, + .rx_ring = 128, + .tx_ring = 16, + .rx_copybreak = 240, + .use_napi = 1, + .napi_weight = 17, +}; + +static struct fec_platform_info fec2_info = { + .fec_no = 1, + .use_mdio = 1, + .phy_addr = 2, + .fec_irq = SIU_LEVEL3, + .phy_irq = CPM_IRQ_OFFSET + CPMVEC_PIO_PC7, + .rx_ring = 128, + .tx_ring = 16, + .rx_copybreak = 240, + .use_napi = 1, + .napi_weight = 17, +}; + +static struct net_device *fec1_dev; +static struct net_device *fec2_dev; + +/* XXX custom u-boot & Linux startup needed */ +extern const char *__fw_getenv(const char *var); + +/* access ports */ +#define setbits32(_addr, _v) __fec_out32(&(_addr), __fec_in32(&(_addr)) | (_v)) +#define clrbits32(_addr, _v) __fec_out32(&(_addr), __fec_in32(&(_addr)) & ~(_v)) + +#define setbits16(_addr, _v) __fec_out16(&(_addr), __fec_in16(&(_addr)) | (_v)) +#define clrbits16(_addr, _v) __fec_out16(&(_addr), __fec_in16(&(_addr)) & ~(_v)) + +int fec_8xx_platform_init(void) +{ + immap_t *immap = (immap_t *)IMAP_ADDR; + bd_t *bd = (bd_t *) __res; + const char *s; + char *e; + int i; + + /* use MDC for MII */ + setbits16(immap->im_ioport.iop_pdpar, 0x0080); + clrbits16(immap->im_ioport.iop_pddir, 0x0080); + + /* configure FEC1 pins */ + setbits16(immap->im_ioport.iop_papar, 0xe810); + setbits16(immap->im_ioport.iop_padir, 0x0810); + clrbits16(immap->im_ioport.iop_padir, 0xe000); + + setbits32(immap->im_cpm.cp_pbpar, 0x00000001); + clrbits32(immap->im_cpm.cp_pbdir, 0x00000001); + + setbits32(immap->im_cpm.cp_cptr, 0x00000100); + clrbits32(immap->im_cpm.cp_cptr, 0x00000050); + + clrbits16(immap->im_ioport.iop_pcpar, 0x0200); + clrbits16(immap->im_ioport.iop_pcdir, 0x0200); + clrbits16(immap->im_ioport.iop_pcso, 0x0200); + setbits16(immap->im_ioport.iop_pcint, 0x0200); + + /* configure FEC2 pins */ + setbits32(immap->im_cpm.cp_pepar, 0x00039620); + setbits32(immap->im_cpm.cp_pedir, 0x00039620); + setbits32(immap->im_cpm.cp_peso, 0x00031000); + clrbits32(immap->im_cpm.cp_peso, 0x00008620); + + setbits32(immap->im_cpm.cp_cptr, 0x00000080); + clrbits32(immap->im_cpm.cp_cptr, 0x00000028); + + clrbits16(immap->im_ioport.iop_pcpar, 0x0200); + clrbits16(immap->im_ioport.iop_pcdir, 0x0200); + clrbits16(immap->im_ioport.iop_pcso, 0x0200); + setbits16(immap->im_ioport.iop_pcint, 0x0200); + + /* fill up */ + fec1_info.sys_clk = bd->bi_intfreq; + fec2_info.sys_clk = bd->bi_intfreq; + + s = __fw_getenv("ethaddr"); + if (s != NULL) { + for (i = 0; i < 6; i++) { + fec1_info.macaddr[i] = simple_strtoul(s, &e, 16); + if (*e) + s = e + 1; + } + } + + s = __fw_getenv("eth1addr"); + if (s != NULL) { + for (i = 0; i < 6; i++) { + fec2_info.macaddr[i] = simple_strtoul(s, &e, 16); + if (*e) + s = e + 1; + } + } + + fec_8xx_init_one(&fec1_info, &fec1_dev); + fec_8xx_init_one(&fec2_info, &fec2_dev); + + return fec1_dev != NULL && fec2_dev != NULL ? 0 : -1; +} + +void fec_8xx_platform_cleanup(void) +{ + if (fec2_dev != NULL) + fec_8xx_cleanup_one(fec2_dev); + + if (fec1_dev != NULL) + fec_8xx_cleanup_one(fec1_dev); +} |