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-rw-r--r--board/freescale/p1022ds/diu.c67
-rw-r--r--drivers/mmc/fsl_esdhc.c8
-rw-r--r--drivers/mtd/nand/fsl_upm.c2
-rw-r--r--drivers/net/tsec.c9
-rw-r--r--include/configs/P1_P2_RDB.h8
-rw-r--r--include/configs/xpedite537x.h10
-rw-r--r--include/configs/xpedite550x.h10
7 files changed, 87 insertions, 27 deletions
diff --git a/board/freescale/p1022ds/diu.c b/board/freescale/p1022ds/diu.c
index 12b40a01ed..8f5305ca1f 100644
--- a/board/freescale/p1022ds/diu.c
+++ b/board/freescale/p1022ds/diu.c
@@ -32,6 +32,7 @@
#define PMUXCR_ELBCDIU_MASK 0xc0000000
#define PMUXCR_ELBCDIU_NOR16 0x80000000
+#define PMUXCR_ELBCDIU_DIU 0x40000000
/*
* DIU Area Descriptor
@@ -131,9 +132,8 @@ int platform_diu_init(unsigned int *xres, unsigned int *yres)
px_brdcfg0 = in_8(lbc_lcs1_ba);
out_8(lbc_lcs1_ba, px_brdcfg0 | PX_BRDCFG0_ELBC_DIU);
- /* Setting PMUXCR to switch to DVI from ELBC */
- clrsetbits_be32(&gur->pmuxcr,
- PMUXCR_ELBCDIU_MASK, PMUXCR_ELBCDIU_NOR16);
+ /* Set PMUXCR to switch the muxed pins from the LBC to the DIU */
+ clrsetbits_be32(&gur->pmuxcr, PMUXCR_ELBCDIU_MASK, PMUXCR_ELBCDIU_DIU);
pmuxcr = in_be32(&gur->pmuxcr);
return fsl_diu_init(*xres, pixel_format, 0);
@@ -161,7 +161,7 @@ static int set_mux_to_lbc(void)
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
/* Switch the muxes only if they're currently set to DIU mode */
- if ((in_be32(&gur->pmuxcr) & PMUXCR_ELBCDIU_MASK) ==
+ if ((in_be32(&gur->pmuxcr) & PMUXCR_ELBCDIU_MASK) !=
PMUXCR_ELBCDIU_NOR16) {
/*
* In DIU mode, the PIXIS can only be accessed indirectly
@@ -216,8 +216,17 @@ void flash_write8(u8 value, void *addr)
int sw = set_mux_to_lbc();
__raw_writeb(value, addr);
- if (sw)
+ if (sw) {
+ /*
+ * To ensure the post-write is completed to eLBC, software must
+ * perform a dummy read from one valid address from eLBC space
+ * before changing the eLBC_DIU from NOR mode to DIU mode.
+ * set_mux_to_diu() includes a sync that will ensure the
+ * __raw_readb() completes before it switches the mux.
+ */
+ __raw_readb(addr);
set_mux_to_diu();
+ }
}
void flash_write16(u16 value, void *addr)
@@ -225,8 +234,17 @@ void flash_write16(u16 value, void *addr)
int sw = set_mux_to_lbc();
__raw_writew(value, addr);
- if (sw)
+ if (sw) {
+ /*
+ * To ensure the post-write is completed to eLBC, software must
+ * perform a dummy read from one valid address from eLBC space
+ * before changing the eLBC_DIU from NOR mode to DIU mode.
+ * set_mux_to_diu() includes a sync that will ensure the
+ * __raw_readb() completes before it switches the mux.
+ */
+ __raw_readb(addr);
set_mux_to_diu();
+ }
}
void flash_write32(u32 value, void *addr)
@@ -234,18 +252,47 @@ void flash_write32(u32 value, void *addr)
int sw = set_mux_to_lbc();
__raw_writel(value, addr);
- if (sw)
+ if (sw) {
+ /*
+ * To ensure the post-write is completed to eLBC, software must
+ * perform a dummy read from one valid address from eLBC space
+ * before changing the eLBC_DIU from NOR mode to DIU mode.
+ * set_mux_to_diu() includes a sync that will ensure the
+ * __raw_readb() completes before it switches the mux.
+ */
+ __raw_readb(addr);
set_mux_to_diu();
+ }
}
void flash_write64(u64 value, void *addr)
{
int sw = set_mux_to_lbc();
+ uint32_t *p = addr;
- /* There is no __raw_writeq(), so do the write manually */
- *(volatile u64 *)addr = value;
- if (sw)
+ /*
+ * There is no __raw_writeq(), so do the write manually. We don't trust
+ * the compiler, so we use inline assembly.
+ */
+ __asm__ __volatile__(
+ "stw%U0%X0 %2,%0;\n"
+ "stw%U1%X1 %3,%1;\n"
+ : "=m" (*p), "=m" (*(p + 1))
+ : "r" ((uint32_t) (value >> 32)), "r" ((uint32_t) (value)));
+
+ if (sw) {
+ /*
+ * To ensure the post-write is completed to eLBC, software must
+ * perform a dummy read from one valid address from eLBC space
+ * before changing the eLBC_DIU from NOR mode to DIU mode. We
+ * read addr+4 because we just wrote to addr+4, so that's how we
+ * maintain execution order. set_mux_to_diu() includes a sync
+ * that will ensure the __raw_readb() completes before it
+ * switches the mux.
+ */
+ __raw_readb(addr + 4);
set_mux_to_diu();
+ }
}
u8 flash_read8(void *addr)
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index a368fe60db..57cd4ee1f4 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -384,10 +384,6 @@ static int esdhc_init(struct mmc *mmc)
int ret = 0;
u8 card_absent;
- /* Enable cache snooping */
- if (cfg && !cfg->no_snoop)
- esdhc_write32(&regs->scr, 0x00000040);
-
/* Reset the entire host controller */
esdhc_write32(&regs->sysctl, SYSCTL_RSTA);
@@ -395,6 +391,10 @@ static int esdhc_init(struct mmc *mmc)
while ((esdhc_read32(&regs->sysctl) & SYSCTL_RSTA) && --timeout)
udelay(1000);
+ /* Enable cache snooping */
+ if (cfg && !cfg->no_snoop)
+ esdhc_write32(&regs->scr, 0x00000040);
+
esdhc_write32(&regs->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
/* Set the initial clock speed */
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 7cb99cbc07..c33e2786b2 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -21,6 +21,7 @@
static void fsl_upm_start_pattern(struct fsl_upm *upm, u32 pat_offset)
{
clrsetbits_be32(upm->mxmr, MxMR_MAD_MSK, MxMR_OP_RUNP | pat_offset);
+ (void)in_be32(upm->mxmr);
}
static void fsl_upm_end_pattern(struct fsl_upm *upm)
@@ -35,6 +36,7 @@ static void fsl_upm_run_pattern(struct fsl_upm *upm, int width,
void __iomem *io_addr, u32 mar)
{
out_be32(upm->mar, mar);
+ (void)in_be32(upm->mar);
switch (width) {
case 8:
out_8(io_addr, 0x0);
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index 9b5dd92fbb..77908d1e12 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -5,7 +5,7 @@
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
*
- * Copyright 2004-2009 Freescale Semiconductor, Inc.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc.
* (C) Copyright 2003, Motorola, Inc.
* author Andy Fleming
*
@@ -292,13 +292,12 @@ static uint tsec_local_mdio_read(volatile tsec_mdio_t *phyregs,
/* By default force the TBI PHY into 1000Mbps full duplex when in SGMII mode */
#ifndef CONFIG_TSEC_TBICR_SETTINGS
-#define TBICR_SETTINGS ( \
+#define CONFIG_TSEC_TBICR_SETTINGS ( \
TBICR_PHY_RESET \
+ | TBICR_ANEG_ENABLE \
| TBICR_FULL_DUPLEX \
| TBICR_SPEED1_SET \
)
-#else
-#define TBICR_SETTINGS CONFIG_TSEC_TBICR_SETTINGS
#endif /* CONFIG_TSEC_TBICR_SETTINGS */
/* Configure the TBI for SGMII operation */
@@ -311,7 +310,7 @@ static void tsec_configure_serdes(struct tsec_private *priv)
tsec_local_mdio_write(priv->phyregs_sgmii, priv->regs->tbipa, TBI_TBICON,
TBICON_CLK_SELECT);
tsec_local_mdio_write(priv->phyregs_sgmii, priv->regs->tbipa, TBI_CR,
- TBICR_SETTINGS);
+ CONFIG_TSEC_TBICR_SETTINGS);
}
/* Discover which PHY is attached to the device, and configure it
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index a21afb7ac7..2dfee3d1bd 100644
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -437,14 +437,6 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_PHY_GIGE 1 /* Include GbE speed/duplex detection */
-/* TBI PHY configuration for SGMII mode */
-#define CONFIG_TSEC_TBICR_SETTINGS ( \
- TBICR_PHY_RESET \
- | TBICR_ANEG_ENABLE \
- | TBICR_FULL_DUPLEX \
- | TBICR_SPEED1_SET \
- )
-
#endif /* CONFIG_TSEC_ENET */
/*
diff --git a/include/configs/xpedite537x.h b/include/configs/xpedite537x.h
index e0a1fa406c..a74766dcec 100644
--- a/include/configs/xpedite537x.h
+++ b/include/configs/xpedite537x.h
@@ -375,6 +375,16 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
#define CONFIG_MII_DEFAULT_TSEC 1 /* Allow unregistered phys */
#define CONFIG_ETHPRIME "eTSEC2"
+/*
+ * In-band SGMII auto-negotiation between TBI and BCM5482S PHY fails, force
+ * 1000mbps SGMII link
+ */
+#define CONFIG_TSEC_TBICR_SETTINGS ( \
+ TBICR_PHY_RESET \
+ | TBICR_FULL_DUPLEX \
+ | TBICR_SPEED1_SET \
+ )
+
#define CONFIG_TSEC1 1
#define CONFIG_TSEC1_NAME "eTSEC1"
#define TSEC1_FLAGS (TSEC_GIGABIT | TSEC_REDUCED)
diff --git a/include/configs/xpedite550x.h b/include/configs/xpedite550x.h
index 42d1f6980e..a051913ffb 100644
--- a/include/configs/xpedite550x.h
+++ b/include/configs/xpedite550x.h
@@ -345,6 +345,16 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
#define CONFIG_MII_DEFAULT_TSEC 1 /* Allow unregistered phys */
#define CONFIG_ETHPRIME "eTSEC2"
+/*
+ * In-band SGMII auto-negotiation between TBI and BCM5482S PHY fails, force
+ * 1000mbps SGMII link
+ */
+#define CONFIG_TSEC_TBICR_SETTINGS ( \
+ TBICR_PHY_RESET \
+ | TBICR_FULL_DUPLEX \
+ | TBICR_SPEED1_SET \
+ )
+
#define CONFIG_TSEC1 1
#define CONFIG_TSEC1_NAME "eTSEC1"
#define TSEC1_FLAGS (TSEC_GIGABIT | TSEC_REDUCED)
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-27 18:40:17 +0000