From: Hao Zhang hzhang@ti.com

This patch adds clock definitions and commands to support Keystone2 K2E SOC.

Signed-off-by: Hao Zhang hzhang@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- arch/arm/cpu/armv7/keystone/Makefile | 1 + arch/arm/cpu/armv7/keystone/clock-k2e.c | 101 +++++++++++++++++++++++++ arch/arm/cpu/armv7/keystone/clock.c | 2 + arch/arm/cpu/armv7/keystone/cmd_clock.c | 31 ++++++-- arch/arm/include/asm/arch-keystone/clock-k2e.h | 68 +++++++++++++++++ arch/arm/include/asm/arch-keystone/clock.h | 4 + include/configs/ks2_evm.h | 2 +- 7 files changed, 203 insertions(+), 6 deletions(-) create mode 100644 arch/arm/cpu/armv7/keystone/clock-k2e.c create mode 100644 arch/arm/include/asm/arch-keystone/clock-k2e.h

diff --git a/arch/arm/cpu/armv7/keystone/Makefile b/arch/arm/cpu/armv7/keystone/Makefile index 74c5160..f8519c0 100644 --- a/arch/arm/cpu/armv7/keystone/Makefile +++ b/arch/arm/cpu/armv7/keystone/Makefile @@ -9,6 +9,7 @@ obj-y += init.o obj-y += psc.o obj-y += clock.o obj-$(CONFIG_SOC_K2HK) += clock-k2hk.o +obj-$(CONFIG_SOC_K2E) += clock-k2e.o obj-y += cmd_clock.o obj-y += cmd_mon.o obj-$(CONFIG_DRIVER_TI_KEYSTONE_NET) += keystone_nav.o diff --git a/arch/arm/cpu/armv7/keystone/clock-k2e.c b/arch/arm/cpu/armv7/keystone/clock-k2e.c new file mode 100644 index 0000000..42092e1 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/clock-k2e.c @@ -0,0 +1,101 @@ +/* + * Keystone2: get clk rate for K2E + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/clock_defs.h> + +const struct keystone_pll_regs keystone_pll_regs[] = { + [CORE_PLL] = {KS2_MAINPLLCTL0, KS2_MAINPLLCTL1}, + [PASS_PLL] = {KS2_PASSPLLCTL0, KS2_PASSPLLCTL1}, + [DDR3_PLL] = {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1}, +}; + +/** + * pll_freq_get - get pll frequency + * Fout = Fref * NF(mult) / NR(prediv) / OD + * @pll: pll identifier + */ +static unsigned long pll_freq_get(int pll) +{ + unsigned long mult = 1, prediv = 1, output_div = 2; + unsigned long ret; + u32 tmp, reg; + + if (pll == CORE_PLL) { + ret = external_clk[sys_clk]; + if (pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN) { + /* PLL mode */ + tmp = __raw_readl(KS2_MAINPLLCTL0); + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = (((tmp & PLLM_MULT_HI_SMASK) >> 6) | + (pllctl_reg_read(pll, mult) & + PLLM_MULT_LO_MASK)) + 1; + output_div = ((pllctl_reg_read(pll, secctl) >> + PLL_CLKOD_SHIFT) & PLL_CLKOD_MASK) + 1; + + ret = ret / prediv / output_div * mult; + } + } else { + switch (pll) { + case PASS_PLL: + ret = external_clk[pa_clk]; + reg = KS2_PASSPLLCTL0; + break; + case DDR3_PLL: + ret = external_clk[ddr3_clk]; + reg = KS2_DDR3APLLCTL0; + break; + default: + return 0; + } + + tmp = __raw_readl(reg); + + if (!(tmp & PLLCTL_BYPASS)) { + /* Bypass disabled */ + prediv = (tmp & PLL_DIV_MASK) + 1; + mult = ((tmp >> PLL_MULT_SHIFT) & PLL_MULT_MASK) + 1; + output_div = ((tmp >> PLL_CLKOD_SHIFT) & + PLL_CLKOD_MASK) + 1; + ret = ((ret / prediv) * mult) / output_div; + } + } + + return ret; +} + +unsigned long clk_get_rate(unsigned int clk) +{ + switch (clk) { + case core_pll_clk: return pll_freq_get(CORE_PLL); + case pass_pll_clk: return pll_freq_get(PASS_PLL); + case ddr3_pll_clk: return pll_freq_get(DDR3_PLL); + case sys_clk0_1_clk: + case sys_clk0_clk: return pll_freq_get(CORE_PLL) / pll0div_read(1); + case sys_clk1_clk: return pll_freq_get(CORE_PLL) / pll0div_read(2); + case sys_clk2_clk: return pll_freq_get(CORE_PLL) / pll0div_read(3); + case sys_clk3_clk: return pll_freq_get(CORE_PLL) / pll0div_read(4); + case sys_clk0_2_clk: return clk_get_rate(sys_clk0_clk) / 2; + case sys_clk0_3_clk: return clk_get_rate(sys_clk0_clk) / 3; + case sys_clk0_4_clk: return clk_get_rate(sys_clk0_clk) / 4; + case sys_clk0_6_clk: return clk_get_rate(sys_clk0_clk) / 6; + case sys_clk0_8_clk: return clk_get_rate(sys_clk0_clk) / 8; + case sys_clk0_12_clk: return clk_get_rate(sys_clk0_clk) / 12; + case sys_clk0_24_clk: return clk_get_rate(sys_clk0_clk) / 24; + case sys_clk1_3_clk: return clk_get_rate(sys_clk1_clk) / 3; + case sys_clk1_4_clk: return clk_get_rate(sys_clk1_clk) / 4; + case sys_clk1_6_clk: return clk_get_rate(sys_clk1_clk) / 6; + case sys_clk1_12_clk: return clk_get_rate(sys_clk1_clk) / 12; + default: + break; + } + + return 0; +} diff --git a/arch/arm/cpu/armv7/keystone/clock.c b/arch/arm/cpu/armv7/keystone/clock.c index 42b664b..03c1d9f 100644 --- a/arch/arm/cpu/armv7/keystone/clock.c +++ b/arch/arm/cpu/armv7/keystone/clock.c @@ -106,6 +106,7 @@ void init_pll(const struct pll_init_data *data)

tmp = pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLEN);

+#ifndef CONFIG_SOC_K2E } else if (data->pll == TETRIS_PLL) { bwadj = pllm >> 1; /* 1.5 Set PLLCTL0[BYPASS] =1 (enable bypass), */ @@ -156,6 +157,7 @@ void init_pll(const struct pll_init_data *data) * only applicable for Kepler */ setbits_le32(KS2_MISC_CTRL, KS2_ARM_PLL_EN); +#endif } else { setbits_le32(keystone_pll_regs[data->pll].reg1, PLLCTL_ENSAT); /* diff --git a/arch/arm/cpu/armv7/keystone/cmd_clock.c b/arch/arm/cpu/armv7/keystone/cmd_clock.c index afd30f3..d97c95b 100644 --- a/arch/arm/cpu/armv7/keystone/cmd_clock.c +++ b/arch/arm/cpu/armv7/keystone/cmd_clock.c @@ -14,10 +14,10 @@ #include <asm/arch/psc_defs.h>

struct pll_init_data cmd_pll_data = { - .pll = MAIN_PLL, - .pll_m = 16, - .pll_d = 1, - .pll_od = 2, + .pll = MAIN_PLL, + .pll_m = 16, + .pll_d = 1, + .pll_od = 2, };

int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) @@ -27,12 +27,19 @@ int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

if (strncmp(argv[1], "pa", 2) == 0) cmd_pll_data.pll = PASS_PLL; +#ifndef CONFIG_SOC_K2E else if (strncmp(argv[1], "arm", 3) == 0) cmd_pll_data.pll = TETRIS_PLL; +#endif +#ifdef CONFIG_SOC_K2HK else if (strncmp(argv[1], "ddr3a", 5) == 0) cmd_pll_data.pll = DDR3A_PLL; else if (strncmp(argv[1], "ddr3b", 5) == 0) cmd_pll_data.pll = DDR3B_PLL; +#else + else if (strncmp(argv[1], "ddr3", 4) == 0) + cmd_pll_data.pll = DDR3_PLL; +#endif else goto pll_cmd_usage;

@@ -51,11 +58,20 @@ pll_cmd_usage: return cmd_usage(cmdtp); }

+#ifdef CONFIG_SOC_K2HK U_BOOT_CMD( pllset, 5, 0, do_pll_cmd, "set pll multiplier and pre divider", "<pa|arm|ddr3a|ddr3b> <mult> <div> <OD>\n" ); +#endif +#ifdef CONFIG_SOC_K2E +U_BOOT_CMD( + pllset, 5, 0, do_pll_cmd, + "set pll multiplier and pre divider", + "<pa|ddr3> <mult> <div> <OD>\n" +); +#endif

int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -79,7 +95,12 @@ U_BOOT_CMD( getclk, 2, 0, do_getclk_cmd, "get clock rate", "<clk index>\n" - "See the 'enum clk_e' in the k2hk clock.h for clk indexes\n" +#ifdef CONFIG_SOC_K2HK + "See the 'enum clk_e' in the clock-k2hk.h for clk indexes\n" +#endif +#ifdef CONFIG_SOC_K2E + "See the 'enum clk_e' in the clock-k2e.h for clk indexes\n" +#endif );

int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) diff --git a/arch/arm/include/asm/arch-keystone/clock-k2e.h b/arch/arm/include/asm/arch-keystone/clock-k2e.h new file mode 100644 index 0000000..4147811 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/clock-k2e.h @@ -0,0 +1,68 @@ +/* + * K2E: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2E_H +#define __ASM_ARCH_CLOCK_K2E_H + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + ddr3_clk, + mcm_clk, + pcie_clk, + sgmii_clk, + xgmii_clk, + usb_clk, + ext_clk_count /* number of external clocks */ +}; + +extern unsigned int external_clk[ext_clk_count]; + +enum clk_e { + core_pll_clk, + pass_pll_clk, + ddr3_pll_clk, + sys_clk0_clk, + sys_clk0_1_clk, + sys_clk0_2_clk, + sys_clk0_3_clk, + sys_clk0_4_clk, + sys_clk0_6_clk, + sys_clk0_8_clk, + sys_clk0_12_clk, + sys_clk0_24_clk, + sys_clk1_clk, + sys_clk1_3_clk, + sys_clk1_4_clk, + sys_clk1_6_clk, + sys_clk1_12_clk, + sys_clk2_clk, + sys_clk3_clk +}; + +#define KS2_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + DDR3_PLL, +}; + +#define CORE_PLL_800 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_1000 {CORE_PLL, 20, 1, 2} +#define CORE_PLL_1200 {CORE_PLL, 24, 1, 2} +#define PASS_PLL_1000 {PASS_PLL, 20, 1, 2} +#define DDR3_PLL_200 {DDR3_PLL, 4, 1, 2} +#define DDR3_PLL_400 {DDR3_PLL, 16, 1, 4} +#define DDR3_PLL_800 {DDR3_PLL, 16, 1, 2} +#define DDR3_PLL_333 {DDR3_PLL, 20, 1, 6} + +#endif diff --git a/arch/arm/include/asm/arch-keystone/clock.h b/arch/arm/include/asm/arch-keystone/clock.h index c7da352..1513c76 100644 --- a/arch/arm/include/asm/arch-keystone/clock.h +++ b/arch/arm/include/asm/arch-keystone/clock.h @@ -16,6 +16,10 @@ #include <asm/arch/clock-k2hk.h> #endif

+#ifdef CONFIG_SOC_K2E +#include <asm/arch/clock-k2e.h> +#endif + #define MAIN_PLL CORE_PLL

#include <asm/types.h> diff --git a/include/configs/ks2_evm.h b/include/configs/ks2_evm.h index 29f0b9b..43db581 100644 --- a/include/configs/ks2_evm.h +++ b/include/configs/ks2_evm.h @@ -80,7 +80,7 @@ #define CONFIG_SPI_FLASH_STMICRO #define CONFIG_DAVINCI_SPI #define CONFIG_CMD_SPI -#define CONFIG_SYS_SPI_CLK clk_get_rate(KS2_LPSC_EMIF25_SPI) +#define CONFIG_SYS_SPI_CLK clk_get_rate(KS2_CLK1_6) #define CONFIG_SF_DEFAULT_SPEED 30000000 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED #define CONFIG_SYS_SPI0

From: Hao Zhang hzhang@ti.com

This patch adds Keystone2 K2E SOC specific code to support MSMC cache coherency. Also create header file for msmc to hold its API.

Acked-by: Murali Karicheri m-karicheri2@ti.com Signed-off-by: Hao Zhang hzhang@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- arch/arm/cpu/armv7/keystone/init.c | 12 +++++++----- arch/arm/cpu/armv7/keystone/msmc.c | 4 ++-- arch/arm/include/asm/arch-keystone/hardware.h | 1 - arch/arm/include/asm/arch-keystone/msmc.h | 17 +++++++++++++++++ 4 files changed, 26 insertions(+), 8 deletions(-) create mode 100644 arch/arm/include/asm/arch-keystone/msmc.h

diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c index f4c293a..a8f8aee 100644 --- a/arch/arm/cpu/armv7/keystone/init.c +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -10,6 +10,7 @@ #include <common.h> #include <ns16550.h> #include <asm/io.h> +#include <asm/arch/msmc.h> #include <asm/arch/clock.h> #include <asm/arch/hardware.h>

@@ -24,11 +25,12 @@ int arch_cpu_init(void) chip_configuration_unlock(); icache_enable();

-#ifdef CONFIG_SOC_K2HK - share_all_segments(8); - share_all_segments(9); - share_all_segments(10); /* QM PDSP */ - share_all_segments(11); /* PCIE */ + msmc_share_all_segments(8); /* TETRIS */ + msmc_share_all_segments(9); /* NETCP */ + msmc_share_all_segments(10); /* QM PDSP */ + msmc_share_all_segments(11); /* PCIE 0 */ +#ifdef CONFIG_SOC_K2E + msmc_share_all_segments(13); /* PCIE 1 */ #endif

/* diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c index af858fa..7d8e597 100644 --- a/arch/arm/cpu/armv7/keystone/msmc.c +++ b/arch/arm/cpu/armv7/keystone/msmc.c @@ -8,7 +8,7 @@ */

#include <common.h> -#include <asm/arch/hardware.h> +#include <asm/arch/msmc.h>

struct mpax { u32 mpaxl; @@ -56,7 +56,7 @@ struct msms_regs { };

-void share_all_segments(int priv_id) +void msmc_share_all_segments(int priv_id) { struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE; int j; diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index 9c86b69..bcfb551 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -180,7 +180,6 @@ static inline int cpu_revision(void) return rev; }

-void share_all_segments(int priv_id); int cpu_to_bus(u32 *ptr, u32 length); void sdelay(unsigned long);

diff --git a/arch/arm/include/asm/arch-keystone/msmc.h b/arch/arm/include/asm/arch-keystone/msmc.h new file mode 100644 index 0000000..c320db5 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/msmc.h @@ -0,0 +1,17 @@ +/* + * MSMC controller + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _MSMC_H_ +#define _MSMC_H_ + +#include <asm/arch/hardware.h> + +void msmc_share_all_segments(int priv_id); + +#endif

Use CONFIG_SOC_KEYSTONE in common places instead of defining a lot of "if def .. || if def " for different Keystone2 SoC types.

Acked-by: Murali Karicheri m-karicheri2@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- common/image-fdt.c | 2 +- drivers/serial/ns16550.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/common/image-fdt.c b/common/image-fdt.c index 5d64009..f87cc5a 100644 --- a/common/image-fdt.c +++ b/common/image-fdt.c @@ -487,7 +487,7 @@ int image_setup_libfdt(bootm_headers_t *images, void *blob, if (!ft_verify_fdt(blob)) return -1;

-#ifdef CONFIG_SOC_K2HK +#if defined(CONFIG_SOC_KEYSTONE) if (IMAGE_OF_BOARD_SETUP) ft_board_setup_ex(blob, gd->bd); #endif diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index f26979d..8e7052d 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -30,7 +30,7 @@ #define serial_in(y) readb(y) #endif

-#if defined(CONFIG_K2HK_EVM) +#if defined(CONFIG_SOC_KEYSTONE) #define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE 0 #define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0)) #undef UART_MCRVAL @@ -88,7 +88,7 @@ void NS16550_init(NS16550_t com_port, int baud_divisor) /* /16 is proper to hit 115200 with 48MHz */ serial_out(0, &com_port->mdr1); #endif /* CONFIG_OMAP */ -#if defined(CONFIG_K2HK_EVM) +#if defined(CONFIG_SOC_KEYSTONE) serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC); #endif }

Keystone2 K2E SoC has slightly different spl pll settings then K2HK, so correct this.

Acked-by: Murali Karicheri m-karicheri2@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- arch/arm/cpu/armv7/keystone/spl.c | 8 ++++++++ 1 file changed, 8 insertions(+)

diff --git a/arch/arm/cpu/armv7/keystone/spl.c b/arch/arm/cpu/armv7/keystone/spl.c index e07b64d..d4b0e9b 100644 --- a/arch/arm/cpu/armv7/keystone/spl.c +++ b/arch/arm/cpu/armv7/keystone/spl.c @@ -18,10 +18,18 @@

DECLARE_GLOBAL_DATA_PTR;

+#ifdef CONFIG_K2HK_EVM static struct pll_init_data spl_pll_config[] = { CORE_PLL_799, TETRIS_PLL_500, }; +#endif + +#ifdef CONFIG_K2E_EVM +static struct pll_init_data spl_pll_config[] = { + CORE_PLL_800, +}; +#endif

void spl_init_keystone_plls(void) {

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 */