On Thu, Nov 06, 2014 at 08:44:27AM -0600, Felipe Balbi wrote: > BeagleBoard-X15 is the next generation Open Source > Hardware BeagleBoard based on TI's AM5728 SoC > featuring dual core 1.5GHZ A15 processor. The > platform features 2GB DDR3L (w/dual 32bit busses), > eSATA, 3 USB3.0 ports, integrated HDMI (1920x108@60), > separate LCD port, video In port, 4GB eMMC, uSD, > Analog audio in/out, dual 1G Ethernet. > > For more information, refer to: > http://www.elinux.org/Beagleboard:BeagleBoard-X15 > > Signed-off-by: Felipe Balbi <ba...@ti.com> > Signed-off-by: Nishanth Menon <n...@ti.com> [snip] > +static const struct emif_regs beagle_x15_ddr3_532mhz_emif_regs = { > + .sdram_config_init = 0x61851B32, /* dont know what to do about > this */ > + .sdram_config = 0x61851B32, > + .sdram_config2 = 0x00000000, > + .ref_ctrl = 0x00001035, > + .sdram_tim1 = 0xCEEF266B, > + .sdram_tim2 = 0x328F7FDA, > + .sdram_tim3 = 0x027F88A8, > + .read_idle_ctrl = 0x00050001, /* not sure where in gel file */ > + .zq_config = 0x0007190B, > + .temp_alert_config = 0x00000000, > + .emif_ddr_phy_ctlr_1_init = 0x0E24400A, /* not sure what to do about > this */ > + .emif_ddr_phy_ctlr_1 = 0x0E24400A, /* based on non hw level enabled > */ > + .emif_ddr_ext_phy_ctrl_1 = 0x10040100, /* not sure wherein gel file */ > + .emif_ddr_ext_phy_ctrl_2 = 0x00740074, > + .emif_ddr_ext_phy_ctrl_3 = 0x00780078, > + .emif_ddr_ext_phy_ctrl_4 = 0x007c007c, > + .emif_ddr_ext_phy_ctrl_5 = 0x007b007b, > + .emif_rd_wr_lvl_rmp_win = 0x00000000, > + .emif_rd_wr_lvl_rmp_ctl = 0x00000000, /* based on non hw level enabled > */ > + .emif_rd_wr_lvl_ctl = 0x00000000, /* not sure where based in gel > file */ > + .emif_rd_wr_exec_thresh = 0x00000305
Lets either get the timing info right or comment that we expect to need
to tweak these values again later based on production HW or something.
> +static const u32 beagle_x15_ddr3_ext_phy_ctrl_const_regs[] = {
> + 0x00800080, // 6
> +
> +
> + 0x00360036, // 7
> + 0x00340034, // 8
> + 0x00360036, // 9
> + 0x00350035, // 10
> + 0x00350035, // 11
> +
> + 0x01ff01ff, // 12
// isn't allowed and what're you counting? :)
[snip]
> +#define CONFIG_SYS_SDRAM_BASE 0x80000000
Shouldn't be needed, should be set by a common header already.
--
Tom
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