[PATCH 1/4] PCM051: Update RAM timings
Wadim Egorov
w.egorov at phytec.de
Mon May 12 05:24:19 PDT 2014
From: Teresa Gámez <t.gamez at phytec.de>
Updated timings for new MT41J256M16HA15EIT RAM.
Timings are backward compatible to the MT41J256M8HX15E RAMs
Signed-off-by: Teresa Gámez <t.gamez at phytec.de>
Signed-off-by: Wadim Egorov <w.egorov at phytec.de>
---
arch/arm/boards/phytec-phycore-am335x/lowlevel.c | 28 ++++++++++-----------
1 files changed, 13 insertions(+), 15 deletions(-)
diff --git a/arch/arm/boards/phytec-phycore-am335x/lowlevel.c b/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
index f04961d..2badcc1 100644
--- a/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
+++ b/arch/arm/boards/phytec-phycore-am335x/lowlevel.c
@@ -15,7 +15,7 @@
#include <mach/wdt.h>
#include <debug_ll.h>
-static const struct am33xx_cmd_control MT41J256M8HX15E_2x256M8_cmd = {
+static const struct am33xx_cmd_control MT41J256M16HA15EIT_1x512MB_cmd = {
.slave_ratio0 = 0x40,
.dll_lock_diff0 = 0x0,
.invert_clkout0 = 0x1,
@@ -27,23 +27,21 @@ static const struct am33xx_cmd_control MT41J256M8HX15E_2x256M8_cmd = {
.invert_clkout2 = 0x1,
};
-static const struct am33xx_emif_regs MT41J256M8HX15E_2x256M8_regs = {
+static const struct am33xx_emif_regs MT41J256M16HA15EIT_1x512MB_regs = {
.emif_read_latency = 0x6,
- .emif_tim1 = 0x0668A39B,
- .emif_tim2 = 0x26337FDA,
- .emif_tim3 = 0x501F830F,
- .sdram_config = 0x61C04832,
+ .emif_tim1 = 0x0888A39B,
+ .emif_tim2 = 0x26517FDA,
+ .emif_tim3 = 0x501F84EF,
+ .sdram_config = 0x61C04B32,
.zq_config = 0x50074BE4,
.sdram_ref_ctrl = 0x0000093B,
};
-static const struct am33xx_ddr_data MT41J256M8HX15E_2x256M8_data = {
+static const struct am33xx_ddr_data MT41J256M16HA15EIT_1x512MB_data = {
.rd_slave_ratio0 = 0x3B,
- .wr_dqs_slave_ratio0 = 0x85,
- .fifo_we_slave_ratio0 = 0x100,
- .wr_slave_ratio0 = 0xC1,
- .use_rank0_delay = 0x01,
- .dll_lock_diff0 = 0x0,
+ .wr_dqs_slave_ratio0 = 0x3B,
+ .fifo_we_slave_ratio0 = 0x96,
+ .wr_slave_ratio0 = 0x76,
};
extern char __dtb_am335x_phytec_phycore_start[];
@@ -72,9 +70,9 @@ static noinline void pcm051_board_init(void)
am33xx_pll_init(MPUPLL_M_600, 25, DDRPLL_M_303);
- am335x_sdram_init(0x18B, &MT41J256M8HX15E_2x256M8_cmd,
- &MT41J256M8HX15E_2x256M8_regs,
- &MT41J256M8HX15E_2x256M8_data);
+ am335x_sdram_init(0x18B, &MT41J256M16HA15EIT_1x512MB_cmd,
+ &MT41J256M16HA15EIT_1x512MB_regs,
+ &MT41J256M16HA15EIT_1x512MB_data);
am33xx_uart0_soft_reset();
am33xx_enable_uart0_pin_mux();
--
1.7.0.4
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