summaryrefslogtreecommitdiff
path: root/src/mainboard/google/veyron
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/google/veyron')
-rw-r--r--src/mainboard/google/veyron/Makefile.inc1
-rw-r--r--src/mainboard/google/veyron/romstage.c2
-rw-r--r--src/mainboard/google/veyron/sdram_configs.c75
-rw-r--r--src/mainboard/google/veyron/sdram_inf/sdram-ddr3-hynix-2GB.inc77
-rw-r--r--src/mainboard/google/veyron/sdram_inf/sdram-lpddr3-samsung-2GB.inc78
-rw-r--r--src/mainboard/google/veyron/sdram_inf/sdram-unused.inc3
6 files changed, 236 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron/Makefile.inc b/src/mainboard/google/veyron/Makefile.inc
index 50a6ba039b..f249cf95af 100644
--- a/src/mainboard/google/veyron/Makefile.inc
+++ b/src/mainboard/google/veyron/Makefile.inc
@@ -18,6 +18,7 @@
##
romstage-y += romstage.c
+romstage-y += sdram_configs.c
ramstage-y += mainboard.c
ramstage-y += chromeos.c
diff --git a/src/mainboard/google/veyron/romstage.c b/src/mainboard/google/veyron/romstage.c
index 5b26f48e3c..5831fde095 100644
--- a/src/mainboard/google/veyron/romstage.c
+++ b/src/mainboard/google/veyron/romstage.c
@@ -27,6 +27,7 @@
#include <timestamp.h>
#include <arch/cache.h>
#include <arch/exception.h>
+#include <soc/rockchip/rk3288/sdram.h>
void main(void)
{
@@ -36,6 +37,7 @@ void main(void)
u32 dram_start = (CONFIG_SYS_SDRAM_BASE >> 20);
u32 dram_size = CONFIG_DRAM_SIZE_MB;
u32 dram_end = dram_start + dram_size;
+ sdram_init(get_sdram_config());
mmu_init();
/* Device memory below DRAM is uncached. */
mmu_config_range(0, dram_start, DCACHE_OFF);
diff --git a/src/mainboard/google/veyron/sdram_configs.c b/src/mainboard/google/veyron/sdram_configs.c
new file mode 100644
index 0000000000..b3600fbfff
--- /dev/null
+++ b/src/mainboard/google/veyron/sdram_configs.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <arch/io.h>
+#include <string.h>
+#include <types.h>
+#include <console/console.h>
+#include <soc/rockchip/rk3288/sdram.h>
+#include <soc/rockchip/rk3288/gpio.h>
+
+static struct rk3288_sdram_params sdram_configs[] = {
+#include "sdram_inf/sdram-lpddr3-samsung-2GB.inc" /* ram_code = 0000 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0001 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0010 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0011 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0100 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0101 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0110 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 0111 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1000 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1001 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1010 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1011 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1100 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1101 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1110 */
+#include "sdram_inf/sdram-unused.inc" /* ram_code = 1111 */
+};
+
+#define GPIO_RAMCODE0 (gpio_t){.port = 8, .bank = GPIO_A, .idx = 0}
+#define GPIO_RAMCODE1 (gpio_t){.port = 8, .bank = GPIO_A, .idx = 1}
+#define GPIO_RAMCODE2 (gpio_t){.port = 8, .bank = GPIO_A, .idx = 2}
+#define GPIO_RAMCODE3 (gpio_t){.port = 8, .bank = GPIO_A, .idx = 3}
+
+u32 sdram_get_ram_code(void)
+{
+ u32 code = 0;
+
+ gpio_input(GPIO_RAMCODE0);
+ gpio_input(GPIO_RAMCODE1);
+ gpio_input(GPIO_RAMCODE2);
+ gpio_input(GPIO_RAMCODE3);
+
+ code = gpio_get_in_value(GPIO_RAMCODE3) << 3
+ | gpio_get_in_value(GPIO_RAMCODE2) << 2
+ | gpio_get_in_value(GPIO_RAMCODE1) << 1
+ | gpio_get_in_value(GPIO_RAMCODE0) << 0;
+
+ return code;
+}
+
+const struct rk3288_sdram_params *get_sdram_config()
+{
+ u32 ramcode = sdram_get_ram_code();
+
+ if (ramcode >= ARRAY_SIZE(sdram_configs)
+ || sdram_configs[ramcode].dramtype == UNUSED)
+ die("Invalid RAMCODE.");
+ return &sdram_configs[ramcode];
+}
diff --git a/src/mainboard/google/veyron/sdram_inf/sdram-ddr3-hynix-2GB.inc b/src/mainboard/google/veyron/sdram_inf/sdram-ddr3-hynix-2GB.inc
new file mode 100644
index 0000000000..409a7cad35
--- /dev/null
+++ b/src/mainboard/google/veyron/sdram_inf/sdram-ddr3-hynix-2GB.inc
@@ -0,0 +1,77 @@
+{
+ {
+ {
+ .rank = 0x1,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x1,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xF,
+ .cs1_row = 0xF
+ },
+ {
+ .rank = 0x1,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x1,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xF,
+ .cs1_row = 0xF
+ }
+ },
+ {
+ .togcnt1u = 0x215,
+ .tinit = 0xC8,
+ .trsth = 0x1F4,
+ .togcnt100n = 0x35,
+ .trefi = 0x4E,
+ .tmrd = 0x4,
+ .trfc = 0xBB,
+ .trp = 0x8,
+ .trtw = 0x4,
+ .tal = 0x0,
+ .tcl = 0x8,
+ .tcwl = 0x6,
+ .tras = 0x14,
+ .trc = 0x1D,
+ .trcd = 0x8,
+ .trrd = 0x6,
+ .trtp = 0x4,
+ .twr = 0x8,
+ .twtr = 0x4,
+ .texsr = 0x200,
+ .txp = 0x4,
+ .txpdll = 0xD,
+ .tzqcs = 0x40,
+ .tzqcsi = 0x0,
+ .tdqs = 0x1,
+ .tcksre = 0x6,
+ .tcksrx = 0x6,
+ .tcke = 0x4,
+ .tmod = 0xC,
+ .trstl = 0x36,
+ .tzqcl = 0x100,
+ .tmrr = 0x0,
+ .tckesr = 0x5,
+ .tdpd = 0x0
+ },
+ {
+ .dtpr0 = 0x3AD48890,
+ .dtpr1 = 0xBB08D8,
+ .dtpr2 = 0x1002B600,
+ .mr[0] = 0x840,
+ .mr[1] = 0x40,
+ .mr[2] = 0x8,
+ .mr[3] = 0x0
+ },
+ .noc_timing = 0x2891E41D,
+ .noc_activate = 0x5B6,
+ .ddrconfig = 3,
+ .ddr_freq = 533000000,
+ .dramtype = DDR3,
+ .num_channels = 2,
+ .stride = 9,
+ .odt = 1
+},
diff --git a/src/mainboard/google/veyron/sdram_inf/sdram-lpddr3-samsung-2GB.inc b/src/mainboard/google/veyron/sdram_inf/sdram-lpddr3-samsung-2GB.inc
new file mode 100644
index 0000000000..315e542c39
--- /dev/null
+++ b/src/mainboard/google/veyron/sdram_inf/sdram-lpddr3-samsung-2GB.inc
@@ -0,0 +1,78 @@
+{
+ /* two Samsung K4E8E304ED-EGCE000 chips */
+ {
+ {
+ .rank = 0x2,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x2,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xE,
+ .cs1_row = 0xE
+ },
+ {
+ .rank = 0x2,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x2,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xE,
+ .cs1_row = 0xE
+ }
+ },
+ {
+ .togcnt1u = 0x215,
+ .tinit = 0xC8,
+ .trsth = 0x0,
+ .togcnt100n = 0x35,
+ .trefi = 0x26,
+ .tmrd = 0x2,
+ .trfc = 0x70,
+ .trp = 0x2000D,
+ .trtw = 0x6,
+ .tal = 0x0,
+ .tcl = 0x8,
+ .tcwl = 0x4,
+ .tras = 0x17,
+ .trc = 0x24,
+ .trcd = 0xD,
+ .trrd = 0x6,
+ .trtp = 0x4,
+ .twr = 0x8,
+ .twtr = 0x4,
+ .texsr = 0x76,
+ .txp = 0x4,
+ .txpdll = 0x0,
+ .tzqcs = 0x30,
+ .tzqcsi = 0x0,
+ .tdqs = 0x1,
+ .tcksre = 0x2,
+ .tcksrx = 0x2,
+ .tcke = 0x4,
+ .tmod = 0x0,
+ .trstl = 0x0,
+ .tzqcl = 0xC0,
+ .tmrr = 0x4,
+ .tckesr = 0x8,
+ .tdpd = 0x1F4
+ },
+ {
+ .dtpr0 = 0x48D7DD93,
+ .dtpr1 = 0x187008D8,
+ .dtpr2 = 0x121076,
+ .mr[0] = 0x0,
+ .mr[1] = 0xC3,
+ .mr[2] = 0x6,
+ .mr[3] = 0x1
+ },
+ .noc_timing = 0x20D266A4,
+ .noc_activate = 0x5B6,
+ .ddrconfig = 2,
+ .ddr_freq = 533000000,
+ .dramtype = LPDDR3,
+ .num_channels = 2,
+ .stride = 9,
+ .odt = 1
+},
diff --git a/src/mainboard/google/veyron/sdram_inf/sdram-unused.inc b/src/mainboard/google/veyron/sdram_inf/sdram-unused.inc
new file mode 100644
index 0000000000..06498f7f14
--- /dev/null
+++ b/src/mainboard/google/veyron/sdram_inf/sdram-unused.inc
@@ -0,0 +1,3 @@
+{
+ .dramtype= UNUSED
+}, \ No newline at end of file