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| author | Sherry Sun <sherry.sun@nxp.com> | 2021-03-19 15:56:59 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2021-04-08 09:18:29 +0200 |
| commit | 31c878f76ec60abd0f7a27be44dc21c83a45429d (patch) | |
| tree | 114e5e6eb7042f7d52a612af875c7d3fd08bc65b /board | |
| parent | a02735938e20d45e7bce934de927f153bde5bf95 (diff) | |
| download | u-boot-31c878f76ec60abd0f7a27be44dc21c83a45429d.zip u-boot-31c878f76ec60abd0f7a27be44dc21c83a45429d.tar.gz u-boot-31c878f76ec60abd0f7a27be44dc21c83a45429d.tar.bz2 | |
imx8mp: ddr: Add inline ECC feature support
Add inline ECC support for lpddr4 on imx8mp-evk. And add a config which
can enable/disable inline ECC feature for lpddr4 on imx8mp-evk board.
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx8mp_evk/lpddr4_timing.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/freescale/imx8mp_evk/lpddr4_timing.c b/board/freescale/imx8mp_evk/lpddr4_timing.c index 7658262..cc9c692 100644 --- a/board/freescale/imx8mp_evk/lpddr4_timing.c +++ b/board/freescale/imx8mp_evk/lpddr4_timing.c @@ -14,6 +14,9 @@ struct dram_cfg_param ddr_ddrc_cfg[] = { { 0x3d400020, 0x1323 }, { 0x3d400024, 0x1e84800 }, { 0x3d400064, 0x7a0118 }, +#ifdef CONFIG_IMX8M_DRAM_INLINE_ECC + { 0x3d400070, 0x01027f44 }, +#endif { 0x3d4000d0, 0xc00307a3 }, { 0x3d4000d4, 0xc50000 }, { 0x3d4000dc, 0xf4003f }, @@ -45,12 +48,21 @@ struct dram_cfg_param ddr_ddrc_cfg[] = { { 0x3d4001c4, 0x1 }, { 0x3d4000f4, 0xc99 }, { 0x3d400108, 0x9121c1c }, +#ifdef CONFIG_IMX8M_DRAM_INLINE_ECC + { 0x3d400200, 0x13 }, + { 0x3d40020c, 0x13131300 }, + { 0x3d400210, 0x1f1f }, + { 0x3d400204, 0x50505 }, + { 0x3d400214, 0x4040404 }, + { 0x3d400218, 0x68040404 }, +#else { 0x3d400200, 0x16 }, { 0x3d40020c, 0x0 }, { 0x3d400210, 0x1f1f }, { 0x3d400204, 0x80808 }, { 0x3d400214, 0x7070707 }, { 0x3d400218, 0x68070707 }, +#endif { 0x3d40021c, 0xf08 }, { 0x3d400250, 0x00001705 }, { 0x3d400254, 0x2c }, @@ -1846,3 +1858,18 @@ struct dram_timing_info dram_timing = { .ddrphy_pie_num = ARRAY_SIZE(ddr_phy_pie), .fsp_table = { 4000, 400, 100, }, }; + +#ifdef CONFIG_IMX8M_DRAM_INLINE_ECC +void board_dram_ecc_scrub(void) +{ + /* add inline scrb function MPlus spcific */ + /* scrub 0-1.75G */ + ddrc_inline_ecc_scrub(0x0, 0x1bffffff); + /* scrub 2-3.75G */ + ddrc_inline_ecc_scrub(0x20000000, 0x3bffffff); + /* scrub 4-5.75G */ + ddrc_inline_ecc_scrub(0x40000000, 0x5bffffff); + /* set scruber read range 0-6G */ + ddrc_inline_ecc_scrub_end(0x0, 0x5fffffff); +} +#endif |