diff mbox

[U-Boot,5/8] board/t1024qds: some update for pin mux

Message ID 1414411583-45090-5-git-send-email-Shengzhou.Liu@freescale.com
State Superseded
Delegated to: York Sun
Headers show

Commit Message

Shengzhou Liu Oct. 27, 2014, 12:06 p.m. UTC 
1. add fdt_fixup_spi_mux() for spi mux between SPI flash and TDM riser.
2. if "adaptor=sdxc" is set in hwconfig, route spi pin to SDHC slot.
3. if "pin_mux=tdm" is set in hwconfig, route spi pin to TDM Riser Card.

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>
---
 board/freescale/t102xqds/t102xqds.c       | 26 ++++++++++++++++++++++++++
 board/freescale/t102xqds/t102xqds_qixis.h |  7 +++++--
 2 files changed, 31 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/board/freescale/t102xqds/t102xqds.c b/board/freescale/t102xqds/t102xqds.c
index f7af332..f7fc869 100644
--- a/board/freescale/t102xqds/t102xqds.c
+++ b/board/freescale/t102xqds/t102xqds.c
@@ -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);
+		}
+	}
+}
+
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	phys_addr_t base;
@@ -291,6 +316,7 @@  void ft_board_setup(void *blob, bd_t *bd)
 	fdt_fixup_fman_ethernet(blob);
 	fdt_fixup_board_enet(blob);
 #endif
+	fdt_fixup_spi_mux(blob);
 }
 
 void qixis_dump_switch(void)
diff --git a/board/freescale/t102xqds/t102xqds_qixis.h b/board/freescale/t102xqds/t102xqds_qixis.h
index ad83f03..a429fb7 100644
--- a/board/freescale/t102xqds/t102xqds_qixis.h
+++ b/board/freescale/t102xqds/t102xqds_qixis.h
@@ -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