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powerpc/p2041: move Lanes mux to board early init 

Lanes mux currently is configured in eth.c when initializing FMAN ethernet
ports, but SRIO and PCIe also need lanes mux, so we move the lanes mux to
p2041rdb.c which implements a board-specific initialization and will be
called at early stage.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Shaohui Xie 2012-12-03 21:36:32 +00:00 committed by Andy Fleming
parent 88ba6d530d
commit 220d506af3
2 changed files with 44 additions and 39 deletions
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39
board/freescale/p2041rdb/eth.c
View File

@ -136,11 +136,6 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
}
#endif /* #ifdef CONFIG_FMAN_ENET */
#define CPLD_LANE_A_SEL 0x1
#define CPLD_LANE_G_SEL 0x2
#define CPLD_LANE_C_SEL 0x4
#define CPLD_LANE_D_SEL 0x8
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_FMAN_ENET
@ -148,10 +143,6 @@ int board_eth_init(bd_t *bis)
struct tgec_mdio_info tgec_mdio_info;
unsigned int i, slot;
int lane;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
int srds_prtcl = (in_be32(&gur->rcwsr[4]) &
FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
u8 mux = CPLD_READ(serdes_mux);
printf("Initializing Fman\n");
@ -181,36 +172,6 @@ int board_eth_init(bd_t *bis)
fm_info_set_phy_address(FM1_DTSEC2, CONFIG_SYS_FM1_DTSEC2_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC3, CONFIG_SYS_FM1_DTSEC3_PHY_ADDR);
mux &= ~(CPLD_LANE_A_SEL | CPLD_LANE_C_SEL | CPLD_LANE_D_SEL);
switch (srds_prtcl) {
case 0x2:
case 0xf:
mux &= ~CPLD_LANE_G_SEL;
break;
case 0x5:
case 0x9:
case 0xa:
case 0x17:
mux |= CPLD_LANE_G_SEL;
break;
case 0x14:
mux = (mux & (~CPLD_LANE_G_SEL)) | CPLD_LANE_A_SEL;
break;
case 0x8:
case 0x16:
case 0x19:
case 0x1a:
mux |= CPLD_LANE_G_SEL | CPLD_LANE_C_SEL | CPLD_LANE_D_SEL;
break;
case 0x1c:
mux |= CPLD_LANE_G_SEL | CPLD_LANE_A_SEL;
break;
default:
printf("Fman:Unsupported SerDes Protocol 0x%02x\n", srds_prtcl);
break;
}
CPLD_WRITE(serdes_mux, mux);
for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
int idx = i - FM1_DTSEC1;

44
board/freescale/p2041rdb/p2041rdb.c
View File

@ -101,6 +101,49 @@ int board_early_init_f(void)
return 0;
}
#define CPLD_LANE_A_SEL 0x1
#define CPLD_LANE_G_SEL 0x2
#define CPLD_LANE_C_SEL 0x4
#define CPLD_LANE_D_SEL 0x8
void board_config_lanes_mux(void)
{
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
int srds_prtcl = (in_be32(&gur->rcwsr[4]) &
FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
u8 mux = 0;
switch (srds_prtcl) {
case 0x2:
case 0x5:
case 0x9:
case 0xa:
case 0xf:
break;
case 0x8:
mux |= CPLD_LANE_C_SEL | CPLD_LANE_D_SEL;
break;
case 0x14:
mux |= CPLD_LANE_A_SEL;
break;
case 0x17:
mux |= CPLD_LANE_G_SEL;
break;
case 0x16:
case 0x19:
case 0x1a:
mux |= CPLD_LANE_G_SEL | CPLD_LANE_C_SEL | CPLD_LANE_D_SEL;
break;
case 0x1c:
mux |= CPLD_LANE_G_SEL | CPLD_LANE_A_SEL;
break;
default:
printf("Fman:Unsupported SerDes Protocol 0x%02x\n", srds_prtcl);
break;
}
CPLD_WRITE(serdes_mux, mux);
}
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
@ -124,6 +167,7 @@ int board_early_init_r(void)
set_liodns();
setup_portals();
board_config_lanes_mux();
return 0;
}