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board/t1024qds: update pin multiplexing

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Add multiplexing support among SPI flash, TDM riser card and SDXC.
it routes SPI pins to SPI flash by default.
Route SPI pins to SD slot if "adaptor=sdxc" is set in hwconfig.
Route SPI pins to TDM riser card and do fixup for dts if "pin_mux=tdm"
is set in hwconfig.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Zhao Qiang <B45475@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
master
Shengzhou Liu 10 years ago committed by York Sun
parent cc19c25e27
commit 355b385847
2 changed files with 31 additions and 2 deletions
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  1. 26
      board/freescale/t102xqds/t102xqds.c
  2. 7
      board/freescale/t102xqds/t102xqds_qixis.h

26
board/freescale/t102xqds/t102xqds.c
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@ -165,6 +165,8 @@ static void board_mux_setup(void)
/* Route QE_TDM multiplexed signals to TDM Riser slot */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_TDM);
QIXIS_WRITE(brdcfg[13], BRDCFG13_TDM_INTERFACE << 2);
QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) &
~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_TDM);
} else if (hwconfig_arg_cmp("pin_mux", "ucc")) {
/* to UCC (ProfiBus) interface */
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_UCC);
@ -176,6 +178,11 @@ static void board_mux_setup(void)
QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_LCDFM |
BRDCFG15_LCDPD | BRDCFG15_DIUSEL_LCD);
}
if (hwconfig_arg_cmp("adaptor", "sdxc"))
/* Route SPI_CS multiplexed signals to SD slot */
QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) &
~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_SDHC);
}
#endif
@ -265,6 +272,24 @@ int misc_init_r(void)
return 0;
}
void fdt_fixup_spi_mux(void *blob)
{
int nodeoff = 0;
if (hwconfig_arg_cmp("pin_mux", "tdm")) {
while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
"eon,en25s64")) >= 0) {
fdt_del_node(blob, nodeoff);
}
} else {
/* remove tdm node */
while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
"maxim,ds26522")) >= 0) {
fdt_del_node(blob, nodeoff);
}
}
}
int ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
@ -291,6 +316,7 @@ int ft_board_setup(void *blob, bd_t *bd)
fdt_fixup_fman_ethernet(blob);
fdt_fixup_board_enet(blob);
#endif
fdt_fixup_spi_mux(blob);
return 0;
}

7
board/freescale/t102xqds/t102xqds_qixis.h
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@ -17,6 +17,9 @@
#define BRDCFG5_IMX_MASK 0xC0
#define BRDCFG5_IMX_DIU 0x80
#define BRDCFG5_SPIRTE_MASK 0x07
#define BRDCFG5_SPIRTE_TDM 0x01
#define BRDCFG5_SPIRTE_SDHC 0x02
#define BRDCFG9_XFI_TX_DISABLE 0x10
/* BRDCFG13[0:5] TDM configuration and setup */
@ -35,8 +38,8 @@
#define BRDCFG15_DIUSEL_MASK 0x03
#define BRDCFG15_DIUSEL_HDMI 0x00
#define BRDCFG15_DIUSEL_LCD 0x01
#define BRDCFG15_DIUSEL_UCC 0x10
#define BRDCFG15_DIUSEL_TDM 0x11
#define BRDCFG15_DIUSEL_UCC 0x02
#define BRDCFG15_DIUSEL_TDM 0x03
/* SYSCLK */
#define QIXIS_SYSCLK_66 0x0

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