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| author | Kim Phillips <kim.phillips@freescale.com> | 2007-11-09 14:28:08 -0600 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2008-01-08 09:55:40 -0600 |
| commit | 24f868433b50ecbaa88e118aadc7bd254013c6ae (patch) | |
| tree | 3877b80750ab230888d4e27aa53078f43d70c5e6 /board | |
| parent | 22b448dbfbe2a98f01ff4adc3c3979f8c541ad7b (diff) | |
| download | u-boot-imx-24f868433b50ecbaa88e118aadc7bd254013c6ae.zip u-boot-imx-24f868433b50ecbaa88e118aadc7bd254013c6ae.tar.gz u-boot-imx-24f868433b50ecbaa88e118aadc7bd254013c6ae.tar.bz2 | |
mpc83xx: mpc8360 rev.2.1 erratum 2: replace rgmii-id with rgmii-rxid
u-boot itself uses GMII mode on the 8360. Fix up UCC phy-connection-type
properties in the device tree so the PHY gets configured for internal delay on
RX only by the OS, as prescribed by mpc8360 rev. 2.1 pb mds erratum #2.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mpc8360emds/mpc8360emds.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/board/freescale/mpc8360emds/mpc8360emds.c b/board/freescale/mpc8360emds/mpc8360emds.c index 538a556..ff9a85c 100644 --- a/board/freescale/mpc8360emds/mpc8360emds.c +++ b/board/freescale/mpc8360emds/mpc8360emds.c @@ -303,6 +303,7 @@ void sdram_init(void) #if defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { + const immap_t *immr = (immap_t *)CFG_IMMR; #if defined(CONFIG_OF_FLAT_TREE) u32 *p; int len; @@ -317,5 +318,35 @@ void ft_board_setup(void *blob, bd_t *bd) #ifdef CONFIG_PCI ft_pci_setup(blob, bd); #endif + /* + * mpc8360ea pb mds errata 2: RGMII timing + * if on mpc8360ea rev. 2.1, + * change both ucc phy-connection-types from rgmii-id to rgmii-rxid + */ + if (immr->sysconf.spridr == SPR_8360_REV21 || + immr->sysconf.spridr == SPR_8360E_REV21) { + int nodeoffset; + void *prop; + + /* fixup UCC 1 if using rgmii-id mode */ + nodeoffset = fdt_find_node_by_path(blob, "/" OF_QE "/ucc@2000"); + if (nodeoffset >= 0) { + prop = fdt_getprop(blob, nodeoffset, + "phy-connection-type", 0); + if (prop && (strcmp(prop, "rgmii-id") == 0)) + fdt_setprop(blob, nodeoffset, "phy-connection-type", + "rgmii-rxid", sizeof("rgmii-rxid")); + } + + /* fixup UCC 2 if using rgmii-id mode */ + nodeoffset = fdt_find_node_by_path(blob, "/" OF_QE "/ucc@3000"); + if (nodeoffset >= 0) { + prop = fdt_getprop(blob, nodeoffset, + "phy-connection-type", 0); + if (prop && (strcmp(prop, "rgmii-id") == 0)) + fdt_setprop(blob, nodeoffset, "phy-connection-type", + "rgmii-rxid", sizeof("rgmii-rxid")); + } + } } #endif |