83xx: Add eSDHC support on 8379 EMDS board
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/mpc837xemds/mpc837xemds.c b/board/freescale/mpc837xemds/mpc837xemds.c
index 156d808..062d762 100644
--- a/board/freescale/mpc837xemds/mpc837xemds.c
+++ b/board/freescale/mpc837xemds/mpc837xemds.c
@@ -23,6 +23,7 @@
int board_early_init_f(void)
{
+ struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
/* Enable flash write */
@@ -30,6 +31,18 @@
/* Clear all of the interrupt of BCSR */
bcsr[0xe] = 0xff;
+#ifdef CONFIG_MMC
+ /* Set SPI_SD, SER_SD, and IRQ4_WP so that SD signals go through */
+ bcsr[0xc] |= 0x4c;
+
+ /* Set proper bits in SICR to allow SD signals through */
+ clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
+
+ clrsetbits_be32(&im->sysconf.sicrh, (SICRH_GPIO2_E | SICRH_SPI),
+ (SICRH_GPIO2_E_SD | SICRH_SPI_SD));
+
+#endif
+
#ifdef CONFIG_FSL_SERDES
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
u32 spridr = in_be32(&immr->sysconf.spridr);
@@ -38,21 +51,21 @@
switch (PARTID_NO_E(spridr)) {
case SPR_8377:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
- FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ 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_SERDES_CLK_125, FSL_SERDES_VDD_1V);
break;
case SPR_8379:
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
- FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
- FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
default:
printf("serdes not configured: unknown CPU part number: "
- "%04x\n", spridr >> 16);
+ "%04x\n", spridr >> 16);
break;
}
#endif /* CONFIG_FSL_SERDES */