diff options
author | Jan Luebbe <jlu@pengutronix.de> | 2014-12-14 15:34:49 (GMT) |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2014-12-19 14:32:14 (GMT) |
commit | 7ae350a0305de592faa8903255c988d4e6afb194 (patch) | |
tree | 2a2dcf7c620963a5d2eec519ef624bd600bb4995 /board/olimex/mx23_olinuxino | |
parent | 76494f7ac38ef97510c2e9ef13943e472f0d2702 (diff) | |
download | u-boot-7ae350a0305de592faa8903255c988d4e6afb194.tar.xz |
arm: mxs: olinuxino: move DRAM config tuning to SPL
The weak mxs_adjust_memory_params function is called from spl_mem_init.c,
so it must be linked into the SPL to have an effect. Move it from
mx23_olinuxino.c to spl_boot.c.
This change was verified by reading back the register values.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/olimex/mx23_olinuxino')
-rw-r--r-- | board/olimex/mx23_olinuxino/mx23_olinuxino.c | 30 | ||||
-rw-r--r-- | board/olimex/mx23_olinuxino/spl_boot.c | 30 |
2 files changed, 30 insertions, 30 deletions
diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c index 313ab20..65cbbf1 100644 --- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c +++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c @@ -78,33 +78,3 @@ int board_init(void) return 0; } - -/* Fine-tune the DRAM configuration. */ -void mxs_adjust_memory_params(uint32_t *dram_vals) -{ - /* Enable Auto Precharge. */ - dram_vals[3] |= 1 << 8; - /* Enable Fast Writes. */ - dram_vals[5] |= 1 << 8; - /* tEMRS = 3*tCK */ - dram_vals[10] &= ~(0x3 << 8); - dram_vals[10] |= (0x3 << 8); - /* CASLAT = 3*tCK */ - dram_vals[11] &= ~(0x3 << 0); - dram_vals[11] |= (0x3 << 0); - /* tCKE = 1*tCK */ - dram_vals[12] &= ~(0x7 << 0); - dram_vals[12] |= (0x1 << 0); - /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */ - dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0)); - dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0); - /* tDAL = 6*tCK */ - dram_vals[15] &= ~(0xf << 16); - dram_vals[15] |= (0x6 << 16); - /* tREF = 1040*tCK */ - dram_vals[26] &= ~0xffff; - dram_vals[26] |= 0x0410; - /* tRAS_MAX = 9334*tCK */ - dram_vals[32] &= ~0xffff; - dram_vals[32] |= 0x2475; -} diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c index 5272dfa..de3b0e4 100644 --- a/board/olimex/mx23_olinuxino/spl_boot.c +++ b/board/olimex/mx23_olinuxino/spl_boot.c @@ -89,3 +89,33 @@ void board_init_ll(const uint32_t arg, const uint32_t *resptr) { mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); } + +/* Fine-tune the DRAM configuration. */ +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + /* Enable Auto Precharge. */ + dram_vals[3] |= 1 << 8; + /* Enable Fast Writes. */ + dram_vals[5] |= 1 << 8; + /* tEMRS = 3*tCK */ + dram_vals[10] &= ~(0x3 << 8); + dram_vals[10] |= (0x3 << 8); + /* CASLAT = 3*tCK */ + dram_vals[11] &= ~(0x3 << 0); + dram_vals[11] |= (0x3 << 0); + /* tCKE = 1*tCK */ + dram_vals[12] &= ~(0x7 << 0); + dram_vals[12] |= (0x1 << 0); + /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */ + dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0)); + dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0); + /* tDAL = 6*tCK */ + dram_vals[15] &= ~(0xf << 16); + dram_vals[15] |= (0x6 << 16); + /* tREF = 1040*tCK */ + dram_vals[26] &= ~0xffff; + dram_vals[26] |= 0x0410; + /* tRAS_MAX = 9334*tCK */ + dram_vals[32] &= ~0xffff; + dram_vals[32] |= 0x2475; +} |