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mpc83xx: add SGMII riser module support for the MPC8378E-MDS boards 

This involves configuring the SerDes and fixing up the flags and
PHY addresses for the TSECs.

For Linux we also fix up the device tree.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Anton Vorontsov 2008-10-02 18:32:25 +04:00 committed by Kim Phillips
parent e6d9c8916d
commit 1da83a63d8
2 changed files with 125 additions and 0 deletions
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123
board/freescale/mpc837xemds/mpc837xemds.c
View File

@ -15,6 +15,7 @@
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <spd_sdram.h>
#include <tsec.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
@ -44,6 +45,8 @@ int board_early_init_f(void)
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
case SPR_8378:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SGMII,
FSL_SERDES_CLK_125, FSL_SERDES_VDD_1V);
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
@ -62,6 +65,125 @@ int board_early_init_f(void)
return 0;
}
#if defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2)
int board_eth_init(bd_t *bd)
{
struct tsec_info_struct tsec_info[2];
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
u32 rcwh = in_be32(&im->reset.rcwh);
u32 tsec_mode;
int num = 0;
/* New line after Net: */
printf("\n");
#ifdef CONFIG_TSEC1
SET_STD_TSEC_INFO(tsec_info[num], 1);
printf(CONFIG_TSEC1_NAME ": ");
tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
if (tsec_mode == HRCWH_TSEC1M_IN_RGMII) {
printf("RGMII\n");
/* this is default, no need to fixup */
} else if (tsec_mode == HRCWH_TSEC1M_IN_SGMII) {
printf("SGMII\n");
tsec_info[num].phyaddr = TSEC1_PHY_ADDR_SGMII;
tsec_info[num].flags = TSEC_GIGABIT;
} else {
printf("unsupported PHY type\n");
}
num++;
#endif
#ifdef CONFIG_TSEC2
SET_STD_TSEC_INFO(tsec_info[num], 2);
printf(CONFIG_TSEC2_NAME ": ");
tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
if (tsec_mode == HRCWH_TSEC2M_IN_RGMII) {
printf("RGMII\n");
/* this is default, no need to fixup */
} else if (tsec_mode == HRCWH_TSEC2M_IN_SGMII) {
printf("SGMII\n");
tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
tsec_info[num].flags = TSEC_GIGABIT;
} else {
printf("unsupported PHY type\n");
}
num++;
#endif
return tsec_eth_init(bd, tsec_info, num);
}
static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
int phy_addr)
{
const char *phy_type = "sgmii";
const u32 *ph;
int off;
int err;
off = fdt_path_offset(blob, alias);
if (off < 0) {
printf("WARNING: could not find %s alias: %s.\n", alias,
fdt_strerror(off));
return;
}
err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
strlen(phy_type) + 1);
if (err) {
printf("WARNING: could not set phy-connection-type for %s: "
"%s.\n", alias, fdt_strerror(err));
return;
}
ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
if (!ph) {
printf("WARNING: could not get phy-handle for %s.\n",
alias);
return;
}
off = fdt_node_offset_by_phandle(blob, *ph);
if (off < 0) {
printf("WARNING: could not get phy node for %s: %s\n", alias,
fdt_strerror(off));
return;
}
phy_addr = cpu_to_fdt32(phy_addr);
err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
if (err < 0) {
printf("WARNING: could not set phy node's reg for %s: "
"%s.\n", alias, fdt_strerror(err));
return;
}
}
static void ft_tsec_fixup(void *blob, bd_t *bd)
{
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
u32 rcwh = in_be32(&im->reset.rcwh);
u32 tsec_mode;
#ifdef CONFIG_TSEC1
tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
if (tsec_mode == HRCWH_TSEC1M_IN_SGMII)
__ft_tsec_fixup(blob, bd, "ethernet0", TSEC1_PHY_ADDR_SGMII);
#endif
#ifdef CONFIG_TSEC2
tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
if (tsec_mode == HRCWH_TSEC2M_IN_SGMII)
__ft_tsec_fixup(blob, bd, "ethernet1", TSEC2_PHY_ADDR_SGMII);
#endif
}
#else
static inline void ft_tsec_fixup(void *blob, bd_t *bd) {}
#endif /* defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2) */
int board_early_init_r(void)
{
#ifdef CONFIG_PQ_MDS_PIB
@ -152,6 +274,7 @@ int checkboard(void)
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
ft_tsec_fixup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif

2
include/configs/MPC837XEMDS.h
View File

@ -382,6 +382,8 @@
#define CONFIG_TSEC2_NAME "eTSEC1"
#define TSEC1_PHY_ADDR 2
#define TSEC2_PHY_ADDR 3
#define TSEC1_PHY_ADDR_SGMII 8
#define TSEC2_PHY_ADDR_SGMII 4
#define TSEC1_PHYIDX 0
#define TSEC2_PHYIDX 0
#define TSEC1_FLAGS (TSEC_GIGABIT | TSEC_REDUCED)