From: Hao Zhang hzhang@ti.com
This patch adds Keystone2 k2e_evm evaluation board support.
Signed-off-by: Hao Zhang hzhang@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- arch/arm/include/asm/arch-keystone/hardware.h | 1 + board/ti/ks2_evm/Makefile | 2 + board/ti/ks2_evm/board_k2e.c | 39 +++++++++++++++++++ board/ti/ks2_evm/ddr3_cfg.c | 40 +++++++++++++++++++ board/ti/ks2_evm/ddr3_cfg.h | 3 ++ board/ti/ks2_evm/ddr3_k2e.c | 55 +++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/k2e_evm.h | 37 ++++++++++++++++++ 8 files changed, 178 insertions(+) create mode 100644 board/ti/ks2_evm/board_k2e.c create mode 100644 board/ti/ks2_evm/ddr3_k2e.c create mode 100644 include/configs/k2e_evm.h
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index bcfb551..ddeb06e 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -119,6 +119,7 @@ typedef volatile unsigned int *dv_reg_p;
#define KS2_PLL_CNTRL_BASE 0x02310000 #define KS2_CLOCK_BASE KS2_PLL_CNTRL_BASE +#define KS2_RSTCTRL_RSTYPE (KS2_PLL_CNTRL_BASE + 0xe4) #define KS2_RSTCTRL (KS2_PLL_CNTRL_BASE + 0xe8) #define KS2_RSTCTRL_KEY 0x5a69 #define KS2_RSTCTRL_MASK 0xffff0000 diff --git a/board/ti/ks2_evm/Makefile b/board/ti/ks2_evm/Makefile index 774a7d5..00f1164 100644 --- a/board/ti/ks2_evm/Makefile +++ b/board/ti/ks2_evm/Makefile @@ -9,3 +9,5 @@ obj-y += board.o obj-y += ddr3_cfg.o obj-$(CONFIG_K2HK_EVM) += board_k2hk.o obj-$(CONFIG_K2HK_EVM) += ddr3_k2hk.o +obj-$(CONFIG_K2E_EVM) += board_k2e.o +obj-$(CONFIG_K2E_EVM) += ddr3_k2e.o diff --git a/board/ti/ks2_evm/board_k2e.c b/board/ti/ks2_evm/board_k2e.c new file mode 100644 index 0000000..d2499b7 --- /dev/null +++ b/board/ti/ks2_evm/board_k2e.c @@ -0,0 +1,39 @@ +/* + * K2E EVM : Board initialization + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/ddr3.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +unsigned int external_clk[ext_clk_count] = { + [sys_clk] = 100000000, + [alt_core_clk] = 100000000, + [pa_clk] = 100000000, + [ddr3_clk] = 100000000, + [mcm_clk] = 312500000, + [pcie_clk] = 100000000, + [sgmii_clk] = 156250000, + [xgmii_clk] = 156250000, + [usb_clk] = 100000000, +}; + +static struct pll_init_data pll_config[] = { + CORE_PLL_1200, + PASS_PLL_1000, +}; + +#if defined(CONFIG_BOARD_EARLY_INIT_F) +int board_early_init_f(void) +{ + init_plls(ARRAY_SIZE(pll_config), pll_config); + return 0; +} +#endif diff --git a/board/ti/ks2_evm/ddr3_cfg.c b/board/ti/ks2_evm/ddr3_cfg.c index 6e55af9..f7da9f2 100644 --- a/board/ti/ks2_evm/ddr3_cfg.c +++ b/board/ti/ks2_evm/ddr3_cfg.c @@ -93,6 +93,46 @@ struct ddr3_emif_config ddr3_1333_2g = { }; #endif
+#ifdef CONFIG_K2E_EVM +/* DDR3 PHY configuration data with 1600M rate, and 4GB size */ +struct ddr3_phy_config ddr3phy_1600_4g = { + .pllcr = 0x0001C000ul, + .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK), + .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)), + .ptr0 = 0x42C21590ul, + .ptr1 = 0xD05612C0ul, + .ptr2 = 0, /* not set in gel */ + .ptr3 = 0x08861A80ul, + .ptr4 = 0x0C827100ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK), + .dcr_val = ((1 << 10)), + .dtpr0 = 0x9D9CBB66ul, + .dtpr1 = 0x12840300ul, + .dtpr2 = 0x5002D200ul, + .mr0 = 0x00001C70ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000018ul, + .dtcr = 0x710035C7ul, + .pgcr2 = 0x00F07A12ul, + .zq0cr1 = 0x0001005Dul, + .zq1cr1 = 0x0001005Bul, + .zq2cr1 = 0x0001005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; + +/* DDR3 EMIF configuration data with 1600M rate, and 4GB size */ +struct ddr3_emif_config ddr3_1600_4g = { + .sdcfg = 0x6200CE62ul, + .sdtim1 = 0x166C9855ul, + .sdtim2 = 0x00001D4Aul, + .sdtim3 = 0x421DFF53ul, + .sdtim4 = 0x543F07FFul, + .zqcfg = 0x70073200ul, + .sdrfc = 0x00001869ul, +}; +#endif + int ddr3_get_dimm_params(char *dimm_name) { int ret; diff --git a/board/ti/ks2_evm/ddr3_cfg.h b/board/ti/ks2_evm/ddr3_cfg.h index d14bac3..15fcf52 100644 --- a/board/ti/ks2_evm/ddr3_cfg.h +++ b/board/ti/ks2_evm/ddr3_cfg.h @@ -16,6 +16,9 @@ extern struct ddr3_emif_config ddr3_1600_8g; extern struct ddr3_phy_config ddr3phy_1333_2g; extern struct ddr3_emif_config ddr3_1333_2g;
+extern struct ddr3_phy_config ddr3phy_1600_4g; +extern struct ddr3_emif_config ddr3_1600_4g; + int ddr3_get_dimm_params(char *dimm_name);
#endif /* __DDR3_CFG_H */ diff --git a/board/ti/ks2_evm/ddr3_k2e.c b/board/ti/ks2_evm/ddr3_k2e.c new file mode 100644 index 0000000..40fd966 --- /dev/null +++ b/board/ti/ks2_evm/ddr3_k2e.c @@ -0,0 +1,55 @@ +/* + * Keystone2: DDR3 initialization + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include "ddr3_cfg.h" +#include <asm/arch/ddr3.h> + +static int ddr3_size; +static struct pll_init_data ddr3_400 = DDR3_PLL_400; + +void ddr3_init(void) +{ + char dimm_name[32]; + + if (~(readl(KS2_PLL_CNTRL_BASE + KS2_RSTCTRL_RSTYPE) & 0x1)) + init_pll(&ddr3_400); + + ddr3_get_dimm_params(dimm_name); + + printf("Detected SO-DIMM [%s]\n", dimm_name); + + /* Reset DDR3 PHY after PLL enabled */ + ddr3_reset_ddrphy(); + + if (!strcmp(dimm_name, "18KSF1G72HZ-1G6E2 ")) { + /* 8G SO-DIMM */ + ddr3_size = 8; + printf("DRAM: 8 GiB\n"); + ddr3phy_1600_8g.zq0cr1 |= 0x10000; + ddr3phy_1600_8g.zq1cr1 |= 0x10000; + ddr3phy_1600_8g.zq2cr1 |= 0x10000; + ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_8g); + ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_8g); + } else if (!strcmp(dimm_name, "18KSF51272HZ-1G6K2")) { + /* 4G SO-DIMM */ + ddr3_size = 4; + printf("DRAM: 4 GiB\n"); + ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_4g); + ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_4g); + } +} + +/** + * ddr3_get_size - return ddr3 size in GiB + */ +int ddr3_get_size(void) +{ + return ddr3_size; +} diff --git a/boards.cfg b/boards.cfg index e08ccae..24dab91 100644 --- a/boards.cfg +++ b/boards.cfg @@ -299,6 +299,7 @@ Active arm armv7 exynos samsung trats2 Active arm armv7 exynos samsung universal_c210 s5pc210_universal - Przemyslaw Marczak p.marczak@samsung.com Active arm armv7 highbank - highbank highbank - Rob Herring robh@kernel.org Active arm armv7 keystone ti ks2_evm k2hk_evm - Vitaly Andrianov vitalya@ti.com +Active arm armv7 keystone ti ks2_evm k2e_evm - Vitaly Andrianov vitalya@ti.com Active arm armv7 mx5 denx m53evk m53evk m53evk:IMX_CONFIG=board/denx/m53evk/imximage.cfg Marek Vasut marek.vasut@gmail.com Active arm armv7 mx5 esg ima3-mx53 ima3-mx53 ima3-mx53:IMX_CONFIG=board/esg/ima3-mx53/imximage.cfg - Active arm armv7 mx5 freescale mx51evk mx51evk mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg Stefano Babic sbabic@denx.de diff --git a/include/configs/k2e_evm.h b/include/configs/k2e_evm.h new file mode 100644 index 0000000..3502d10 --- /dev/null +++ b/include/configs/k2e_evm.h @@ -0,0 +1,37 @@ +/* + * Configuration header file for TI's k2e-evm + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_K2E_EVM_H +#define __CONFIG_K2E_EVM_H + +/* Platform type */ +#define CONFIG_SOC_K2E +#define CONFIG_K2E_EVM + +/* U-Boot general configuration */ +#define CONFIG_SYS_PROMPT "K2E EVM # " + +#define KS2_ARGS_UBI "args_ubi=setenv bootargs ${bootargs} rootfstype=ubifs "\ + "root=ubi0:rootfs rootflags=sync rw ubi.mtd=2,2048\0" + +#define KS2_FDT_NAME "name_fdt=k2e-evm.dtb\0" +#define KS2_ADDR_MON "addr_mon=0x0c140000\0" +#define KS2_NAME_MON "name_mon=skern-k2e-evm.bin\0" +#define NAME_UBOOT "name_uboot=u-boot-spi-k2e-evm.gph\0" +#define NAME_UBI "name_ubi=k2e-evm-ubifs.ubi\0" + +#include <configs/ks2_evm.h> + +/* SPL SPI Loader Configuration */ +#define CONFIG_SPL_TEXT_BASE 0x0c100000 + +/* NAND Configuration */ +#define CONFIG_SYS_NAND_PAGE_2K + +#endif /* __CONFIG_K2E_EVM_H */