diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-10-08 21:20:49 +0200 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-10-08 21:20:49 +0200 |
commit | 4b19b7448e63bab8af17abbb30acff00d8f0dc99 (patch) | |
tree | 6ba89c10ebffb00cee92656da9a5aad8396390c0 /board/olimex/mx23_olinuxino/mx23_olinuxino.c | |
parent | c19a8bc5711ec63e905ef91f045a1489f0aa3cb0 (diff) | |
parent | 5e3a388cddce1685ccd9bc1b58ddb89a191ed88f (diff) |
Merge remote-tracking branch 'u-boot-imx/master'
The single file conflict below is actually trivial.
Conflicts:
board/boundary/nitrogen6x/nitrogen6x.c
Diffstat (limited to 'board/olimex/mx23_olinuxino/mx23_olinuxino.c')
-rw-r--r-- | board/olimex/mx23_olinuxino/mx23_olinuxino.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c index e2a03a110b..313ab20e26 100644 --- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c +++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c @@ -30,13 +30,25 @@ int board_early_init_f(void) /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); + return 0; +} + #ifdef CONFIG_CMD_USB - /* Enable LAN9512 */ +int board_ehci_hcd_init(int port) +{ + /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1); -#endif + udelay(100); + return 0; +} +int board_ehci_hcd_exit(int port) +{ + /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ + gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0); return 0; } +#endif int dram_init(void) { @@ -66,3 +78,33 @@ 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; +} |