diff options
Diffstat (limited to 'src/mainboard/google/veyron')
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 +},
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