On 04/01/2014 09:44 PM, Murali Karicheri wrote:
From: Vitaly Andrianov<vita...@ti.com>
k2hk EVM is based on Texas Instruments Keystone2 Hawking/Kepler
SoC. Keystone2 SoC has ARM v7 Cortex-A15 MPCore processor. Please
refer the ti/k2hk_evm/README for details on the board, build and other
information.
This patch add support for keystone architecture and k2hk evm.
Signed-off-by: Vitaly Andrianov<vita...@ti.com>
Signed-off-by: Murali Karicheri<m-kariche...@ti.com>
Signed-off-by: WingMan Kwok<w-kw...@ti.com>
Signed-off-by: Sandeep Nair<sandee...@ti.com>
---
Makefile | 10 +
arch/arm/cpu/armv7/keystone/Makefile | 17 ++
arch/arm/cpu/armv7/keystone/aemif.c | 71 +++++
arch/arm/cpu/armv7/keystone/clock.c | 318 ++++++++++++++++++++
arch/arm/cpu/armv7/keystone/cmd_clock.c | 124 ++++++++
arch/arm/cpu/armv7/keystone/cmd_mon.c | 131 ++++++++
arch/arm/cpu/armv7/keystone/ddr3.c | 69 +++++
arch/arm/cpu/armv7/keystone/init.c | 56 ++++
arch/arm/cpu/armv7/keystone/msmc.c | 68 +++++
arch/arm/cpu/armv7/keystone/psc.c | 238 +++++++++++++++
arch/arm/cpu/armv7/keystone/spl.c | 45 +++
arch/arm/include/asm/arch-keystone/clock-k2hk.h | 109 +++++++
arch/arm/include/asm/arch-keystone/clock.h | 17 ++
arch/arm/include/asm/arch-keystone/clock_defs.h | 111 +++++++
arch/arm/include/asm/arch-keystone/emif_defs.h | 73 +++++
arch/arm/include/asm/arch-keystone/hardware-k2hk.h | 150 +++++++++
arch/arm/include/asm/arch-keystone/hardware.h | 175 +++++++++++
arch/arm/include/asm/arch-keystone/i2c_defs.h | 17 ++
arch/arm/include/asm/arch-keystone/nand_defs.h | 23 ++
arch/arm/include/asm/arch-keystone/psc_defs.h | 90 ++++++
arch/arm/include/asm/arch-keystone/spl.h | 12 +
board/ti/k2hk_evm/Makefile | 9 +
board/ti/k2hk_evm/README | 122 ++++++++
board/ti/k2hk_evm/board.c | 236 +++++++++++++++
board/ti/k2hk_evm/ddr3.c | 269 +++++++++++++++++
boards.cfg | 1 +
drivers/serial/ns16550.c | 8 +
include/configs/k2hk_evm.h | 212 +++++++++++++
28 files changed, 2781 insertions(+)
create mode 100644 arch/arm/cpu/armv7/keystone/Makefile
create mode 100644 arch/arm/cpu/armv7/keystone/aemif.c
create mode 100644 arch/arm/cpu/armv7/keystone/clock.c
create mode 100644 arch/arm/cpu/armv7/keystone/cmd_clock.c
create mode 100644 arch/arm/cpu/armv7/keystone/cmd_mon.c
create mode 100644 arch/arm/cpu/armv7/keystone/ddr3.c
create mode 100644 arch/arm/cpu/armv7/keystone/init.c
create mode 100644 arch/arm/cpu/armv7/keystone/msmc.c
create mode 100644 arch/arm/cpu/armv7/keystone/psc.c
create mode 100644 arch/arm/cpu/armv7/keystone/spl.c
create mode 100644 arch/arm/include/asm/arch-keystone/clock-k2hk.h
create mode 100644 arch/arm/include/asm/arch-keystone/clock.h
create mode 100644 arch/arm/include/asm/arch-keystone/clock_defs.h
create mode 100644 arch/arm/include/asm/arch-keystone/emif_defs.h
create mode 100644 arch/arm/include/asm/arch-keystone/hardware-k2hk.h
create mode 100644 arch/arm/include/asm/arch-keystone/hardware.h
create mode 100644 arch/arm/include/asm/arch-keystone/i2c_defs.h
create mode 100644 arch/arm/include/asm/arch-keystone/nand_defs.h
create mode 100644 arch/arm/include/asm/arch-keystone/psc_defs.h
create mode 100644 arch/arm/include/asm/arch-keystone/spl.h
create mode 100644 board/ti/k2hk_evm/Makefile
create mode 100644 board/ti/k2hk_evm/README
create mode 100644 board/ti/k2hk_evm/board.c
create mode 100644 board/ti/k2hk_evm/ddr3.c
create mode 100644 include/configs/k2hk_evm.h
diff --git a/Makefile b/Makefile
index 25cbc95..27b85ed 100644
--- a/Makefile
+++ b/Makefile
@@ -868,6 +868,16 @@ OBJCOPYFLAGS_u-boot.spr = -I binary -O binary
--pad-to=$(CONFIG_SPL_PAD_TO) \
u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
$(call if_changed,pad_cat)
+MKIMAGEFLAGS_u-boot-spl.gph = -A $(ARCH) -T gpimage -C none \
+ -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n SPL
+spl/u-boot-spl.gph: spl/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+
+OBJCOPYFLAGS_u-boot-spi.gph = -I binary -O binary
--pad-to=$(CONFIG_SPL_PAD_TO) \
+ --gap-fill=0
+u-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE
+ $(call if_changed,pad_cat)
+
ifneq ($(CONFIG_TEGRA),)
OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary
--pad-to=$(CONFIG_SYS_TEXT_BASE)
u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
diff --git a/arch/arm/cpu/armv7/keystone/Makefile
b/arch/arm/cpu/armv7/keystone/Makefile
new file mode 100644
index 0000000..7924cfa
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/Makefile
@@ -0,0 +1,17 @@
+#
+# (C) Copyright 2012-2014
+# Texas Instruments Incorporated, <www.ti.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += aemif.o
+obj-y += init.o
+obj-y += psc.o
+obj-y += clock.o
+obj-y += cmd_clock.o
+obj-y += cmd_mon.o
+obj-y += msmc.o
+obj-$(CONFIG_SPL_BUILD) += spl.o
+obj-y += ddr3.o
+
diff --git a/arch/arm/cpu/armv7/keystone/aemif.c
b/arch/arm/cpu/armv7/keystone/aemif.c
new file mode 100644
index 0000000..9b26886
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/aemif.c
@@ -0,0 +1,71 @@
+/*
+ * Keystone2: Asynchronous EMIF Configuration
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/emif_defs.h>
+
+#define AEMIF_CFG_SELECT_STROBE(v) ((v) ? 1 << 31 : 0)
+#define AEMIF_CFG_EXTEND_WAIT(v) ((v) ? 1 << 30 : 0)
+#define AEMIF_CFG_WR_SETUP(v) (((v) & 0x0f) << 26)
+#define AEMIF_CFG_WR_STROBE(v) (((v) & 0x3f) << 20)
+#define AEMIF_CFG_WR_HOLD(v) (((v) & 0x07) << 17)
+#define AEMIF_CFG_RD_SETUP(v) (((v) & 0x0f) << 13)
+#define AEMIF_CFG_RD_STROBE(v) (((v) & 0x3f) << 7)
+#define AEMIF_CFG_RD_HOLD(v) (((v) & 0x07) << 4)
+#define AEMIF_CFG_TURN_AROUND(v) (((v) & 0x03) << 2)
+#define AEMIF_CFG_WIDTH(v) (((v) & 0x03) << 0)
+
+#define set_config_field(reg, field, val) \
+ do { \
+ if (val != -1) { \
+ reg &= ~AEMIF_CFG_##field(0xffffffff); \
+ reg |= AEMIF_CFG_##field(val); \
+ } \
+ } while (0)
+
+void configure_async_emif(int cs, struct async_emif_config *cfg)
+{
+ unsigned long tmp;
+
+ if (cfg->mode == ASYNC_EMIF_MODE_NAND) {
+ tmp = __raw_readl(&davinci_emif_regs->nandfcr);
+ tmp |= (1 << cs);
+ __raw_writel(tmp, &davinci_emif_regs->nandfcr);
+
+ } else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) {
+ tmp = __raw_readl(&davinci_emif_regs->one_nand_cr);
+ tmp |= (1 << cs);
+ __raw_writel(tmp, &davinci_emif_regs->one_nand_cr);
+ }
+
+ tmp = __raw_readl(&davinci_emif_regs->abncr[cs]);
+
+ set_config_field(tmp, SELECT_STROBE, cfg->select_strobe);
+ set_config_field(tmp, EXTEND_WAIT, cfg->extend_wait);
+ set_config_field(tmp, WR_SETUP, cfg->wr_setup);
+ set_config_field(tmp, WR_STROBE, cfg->wr_strobe);
+ set_config_field(tmp, WR_HOLD, cfg->wr_hold);
+ set_config_field(tmp, RD_SETUP, cfg->rd_setup);
+ set_config_field(tmp, RD_STROBE, cfg->rd_strobe);
+ set_config_field(tmp, RD_HOLD, cfg->rd_hold);
+ set_config_field(tmp, TURN_AROUND, cfg->turn_around);
+ set_config_field(tmp, WIDTH, cfg->width);
+
+ __raw_writel(tmp, &davinci_emif_regs->abncr[cs]);
+}
+
+void init_async_emif(int num_cs, struct async_emif_config *config)
+{
+ int cs;
+
+ for (cs = 0; cs < num_cs; cs++)
+ configure_async_emif(cs, config + cs);
+}
diff --git a/arch/arm/cpu/armv7/keystone/clock.c
b/arch/arm/cpu/armv7/keystone/clock.c
new file mode 100644
index 0000000..bfa4c9d
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/clock.c
@@ -0,0 +1,318 @@
+/*
+ * Keystone2: pll initialization
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm-generic/errno.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/clock_defs.h>
+
+static void wait_for_completion(const struct pll_init_data *data)
+{
+ int i;
+ for (i = 0; i < 100; i++) {
+ sdelay(450);
+ if ((pllctl_reg_read(data->pll, stat) & PLLSTAT_GO) == 0)
+ break;
+ }
+}
+
+struct pll_regs {
+ u32 reg0, reg1;
+};
+
+static const struct pll_regs pll_regs[] = {
+ [CORE_PLL] = { K2HK_MAINPLLCTL0, K2HK_MAINPLLCTL1},
+ [PASS_PLL] = { K2HK_PASSPLLCTL0, K2HK_PASSPLLCTL1},
+ [TETRIS_PLL] = { K2HK_ARMPLLCTL0, K2HK_ARMPLLCTL1},
+ [DDR3A_PLL] = { K2HK_DDR3APLLCTL0, K2HK_DDR3APLLCTL1},
+ [DDR3B_PLL] = { K2HK_DDR3BPLLCTL0, K2HK_DDR3BPLLCTL1},
+};
+
+/* Fout = Fref * NF(mult) / NR(prediv) / OD */
+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(K2HK_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 = K2HK_PASSPLLCTL0;
+ break;
+ case TETRIS_PLL:
+ ret = external_clk[tetris_clk];
+ reg = K2HK_ARMPLLCTL0;
+ break;
+ case DDR3A_PLL:
+ ret = external_clk[ddr3a_clk];
+ reg = K2HK_DDR3APLLCTL0;
+ break;
+ case DDR3B_PLL:
+ ret = external_clk[ddr3b_clk];
+ reg = K2HK_DDR3BPLLCTL0;
+ 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 tetris_pll_clk: return pll_freq_get(TETRIS_PLL);
+ case ddr3a_pll_clk: return pll_freq_get(DDR3A_PLL);
+ case ddr3b_pll_clk: return pll_freq_get(DDR3B_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;
+}
+
+void init_pll(const struct pll_init_data *data)
+{
+ u32 tmp, tmp_ctl, pllm, plld, pllod, bwadj;
+
+ pllm = data->pll_m - 1;
+ plld = (data->pll_d - 1) & PLL_DIV_MASK;
+ pllod = (data->pll_od - 1) & PLL_CLKOD_MASK;
+
+ if (data->pll == MAIN_PLL) {
+ /* The requered delay before main PLL configuration */
+ sdelay(210000);
+
+ tmp = pllctl_reg_read(data->pll, secctl);
+
+ if (tmp & (PLLCTL_BYPASS)) {
+ setbits_le32(pll_regs[data->pll].reg1,
+ BIT(MAIN_ENSAT_OFFSET));
+
+ pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN |
+ PLLCTL_PLLENSRC);
+ sdelay(340);
+
+ pllctl_reg_setbits(data->pll, secctl, PLLCTL_BYPASS);
+ pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLPWRDN);
+ sdelay(21000);
+
+ pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLPWRDN);
+ } else {
+ pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN |
+ PLLCTL_PLLENSRC);
+ sdelay(340);
+ }
+
+ pllctl_reg_write(data->pll, mult, pllm & PLLM_MULT_LO_MASK);
+
+ clrsetbits_le32(pll_regs[data->pll].reg0, PLLM_MULT_HI_SMASK,
+ (pllm << 6));
+
+ /* Set the BWADJ (12 bit field) */
+ tmp_ctl = pllm >> 1; /* Divide the pllm by 2 */
Don't see any reason in comment: /* Divide the pllm by 2 */
If need to mark out it, may pllm/2 be better.
+ clrsetbits_le32(pll_regs[data->pll].reg0, PLL_BWADJ_LO_SMASK,
+ (tmp_ctl << PLL_BWADJ_LO_SHIFT));
+ clrsetbits_le32(pll_regs[data->pll].reg1, PLL_BWADJ_HI_MASK,
+ (tmp_ctl >> 8));
+
+ /*
+ * Set the pll divider (6 bit field) *
+ * PLLD[5:0] is located in MAINPLLCTL0
+ */
+ clrsetbits_le32(pll_regs[data->pll].reg0, PLL_DIV_MASK, plld);
+
+ /* Set the OUTPUT DIVIDE (4 bit field) in SECCTL */
+ pllctl_reg_rmw(data->pll, secctl, PLL_CLKOD_SMASK,
+ (pllod << PLL_CLKOD_SHIFT));
+ wait_for_completion(data);
+
+ pllctl_reg_write(data->pll, div1, PLLM_RATIO_DIV1);
+ pllctl_reg_write(data->pll, div2, PLLM_RATIO_DIV2);
+ pllctl_reg_write(data->pll, div3, PLLM_RATIO_DIV3);
+ pllctl_reg_write(data->pll, div4, PLLM_RATIO_DIV4);
+ pllctl_reg_write(data->pll, div5, PLLM_RATIO_DIV5);
+
+ pllctl_reg_setbits(data->pll, alnctl, 0x1f);
+
+ /*
+ * Set GOSET bit in PLLCMD to initiate the GO operation
+ * to change the divide
+ */
+ pllctl_reg_setbits(data->pll, cmd, PLLSTAT_GO);
+ sdelay(1500); /* wait for the phase adj */
+ wait_for_completion(data);
+
+ /* Reset PLL */
+ pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLRST);
+ sdelay(21000); /* Wait for a minimum of 7 us*/
+ pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLRST);
+ sdelay(105000); /* Wait for PLL Lock time (min 50 us) */
+
+ pllctl_reg_clrbits(data->pll, secctl, PLLCTL_BYPASS);
+
+ tmp = pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLEN);
+
+ } else if (data->pll == TETRIS_PLL) {
+ bwadj = pllm >> 1;
+ /* 1.5 Set PLLCTL0[BYPASS] =1 (enable bypass), */
+ setbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS);
+ /*
+ * Set CHIPMISCCTL1[13] = 0 (enable glitchfree bypass)
+ * only applicable for Kepler
+ */
+ clrbits_le32(K2HK_MISC_CTRL, ARM_PLL_EN);
+ /* 2 In PLLCTL1, write PLLRST = 1 (PLL is reset) */
+ setbits_le32(pll_regs[data->pll].reg1 ,
+ PLL_PLLRST | PLLCTL_ENSAT);
+
+ /*
+ * 3 Program PLLM and PLLD in PLLCTL0 register
+ * 4 Program BWADJ[7:0] in PLLCTL0 and BWADJ[11:8] in
+ * PLLCTL1 register. BWADJ value must be set
+ * to ((PLLM + 1) >> 1) – 1)
+ */
+ tmp = ((bwadj & PLL_BWADJ_LO_MASK) << PLL_BWADJ_LO_SHIFT) |
+ (pllm << 6) |
+ (plld & PLL_DIV_MASK) |
+ (pllod << PLL_CLKOD_SHIFT) | PLLCTL_BYPASS;
+ __raw_writel(tmp, pll_regs[data->pll].reg0);
+
+ /* Set BWADJ[11:8] bits */
+ tmp = __raw_readl(pll_regs[data->pll].reg1);
+ tmp &= ~(PLL_BWADJ_HI_MASK);
+ tmp |= ((bwadj>>8) & PLL_BWADJ_HI_MASK);
+ __raw_writel(tmp, pll_regs[data->pll].reg1);
+ /*
+ * 5 Wait for at least 5 us based on the reference
+ * clock (PLL reset time)
+ */
+ sdelay(21000); /* Wait for a minimum of 7 us*/
+
+ /* 6 In PLLCTL1, write PLLRST = 0 (PLL reset is released) */
+ clrbits_le32(pll_regs[data->pll].reg1, PLL_PLLRST);
+ /*
+ * 7 Wait for at least 500 * REFCLK cycles * (PLLD + 1)
+ * (PLL lock time)
+ */
+ sdelay(105000);
+ /* 8 disable bypass */
+ clrbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS);
+ /*
+ * 9 Set CHIPMISCCTL1[13] = 1 (disable glitchfree bypass)
+ * only applicable for Kepler
+ */
+ setbits_le32(K2HK_MISC_CTRL, ARM_PLL_EN);
+ } else {
+ setbits_le32(pll_regs[data->pll].reg1, PLLCTL_ENSAT);
+ /*
+ * process keeps state of Bypass bit while programming
+ * all other DDR PLL settings
+ */
+ tmp = __raw_readl(pll_regs[data->pll].reg0);
+ tmp &= PLLCTL_BYPASS; /* clear everything except Bypass */
+
+ /*
+ * Set the BWADJ[7:0], PLLD[5:0] and PLLM to PLLCTL0,
+ * bypass disabled
+ */
+ bwadj = pllm >> 1;
+ tmp |= ((bwadj & PLL_BWADJ_LO_SHIFT) << PLL_BWADJ_LO_SHIFT) |
+ (pllm << PLL_MULT_SHIFT) |
+ (plld & PLL_DIV_MASK) |
+ (pllod << PLL_CLKOD_SHIFT);
+ __raw_writel(tmp, pll_regs[data->pll].reg0);
+
+ /* Set BWADJ[11:8] bits */
+ tmp = __raw_readl(pll_regs[data->pll].reg1);
+ tmp &= ~(PLL_BWADJ_HI_MASK);
+ tmp |= ((bwadj >> 8) & PLL_BWADJ_HI_MASK);
+
+ /* set PLL Select (bit 13) for PASS PLL */
+ if (data->pll == PASS_PLL)
+ tmp |= PLLCTL_PAPLL;
+
+ __raw_writel(tmp, pll_regs[data->pll].reg1);
+
+ /* Reset bit: bit 14 for both DDR3 & PASS PLL */
+ tmp = PLL_PLLRST;
+ /* Set RESET bit = 1 */
+ setbits_le32(pll_regs[data->pll].reg1, tmp);
+ /* Wait for a minimum of 7 us*/
+ sdelay(21000);
+ /* Clear RESET bit */
+ clrbits_le32(pll_regs[data->pll].reg1, tmp);
+ sdelay(105000);
+
+ /* clear BYPASS (Enable PLL Mode) */
+ clrbits_le32(pll_regs[data->pll].reg0, PLLCTL_BYPASS);
+ sdelay(21000); /* Wait for a minimum of 7 us*/
+ }
+
+ /*
+ * This is required to provide a delay between multiple
+ * consequent PPL configurations
+ */
+ sdelay(210000);
+}
+
+void init_plls(int num_pll, struct pll_init_data *config)
+{
+ int i;
+
+ for (i = 0; i < num_pll; i++)
+ init_pll(&config[i]);
+}
diff --git a/arch/arm/cpu/armv7/keystone/cmd_clock.c
b/arch/arm/cpu/armv7/keystone/cmd_clock.c
new file mode 100644
index 0000000..afd30f3
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/cmd_clock.c
@@ -0,0 +1,124 @@
+/*
+ * keystone2: commands for clocks
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clock.h>
+#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,
+};
+
+int do_pll_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 5)
+ goto pll_cmd_usage;
+
+ if (strncmp(argv[1], "pa", 2) == 0)
+ cmd_pll_data.pll = PASS_PLL;
+ else if (strncmp(argv[1], "arm", 3) == 0)
+ cmd_pll_data.pll = TETRIS_PLL;
+ 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
+ goto pll_cmd_usage;
+
+ cmd_pll_data.pll_m = simple_strtoul(argv[2], NULL, 10);
+ cmd_pll_data.pll_d = simple_strtoul(argv[3], NULL, 10);
+ cmd_pll_data.pll_od = simple_strtoul(argv[4], NULL, 10);
+
+ printf("Trying to set pll %d; mult %d; div %d; OD %d\n",
+ cmd_pll_data.pll, cmd_pll_data.pll_m,
+ cmd_pll_data.pll_d, cmd_pll_data.pll_od);
+ init_pll(&cmd_pll_data);
+
+ return 0;
+
+pll_cmd_usage:
+ return cmd_usage(cmdtp);
+}
+
+U_BOOT_CMD(
+ pllset, 5, 0, do_pll_cmd,
+ "set pll multiplier and pre divider",
+ "<pa|arm|ddr3a|ddr3b> <mult> <div> <OD>\n"
+);
+
+int do_getclk_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ unsigned int clk;
+ unsigned int freq;
+
+ if (argc != 2)
+ goto getclk_cmd_usage;
+
+ clk = simple_strtoul(argv[1], NULL, 10);
+
+ freq = clk_get_rate(clk);
+ printf("clock index [%d] - frequency %u\n", clk, freq);
+ return 0;
+
+getclk_cmd_usage:
+ return cmd_usage(cmdtp);
+}
+
+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"
+);
+
+int do_psc_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int psc_module;
+ int res;
+
+ if (argc != 3)
+ goto psc_cmd_usage;
+
+ psc_module = simple_strtoul(argv[1], NULL, 10);
+ if (strcmp(argv[2], "en") == 0) {
+ res = psc_enable_module(psc_module);
+ printf("psc_enable_module(%d) - %s\n", psc_module,
+ (res) ? "ERROR" : "OK");
+ return 0;
+ }
+
+ if (strcmp(argv[2], "di") == 0) {
+ res = psc_disable_module(psc_module);
+ printf("psc_disable_module(%d) - %s\n", psc_module,
+ (res) ? "ERROR" : "OK");
+ return 0;
+ }
+
+ if (strcmp(argv[2], "domain") == 0) {
+ res = psc_disable_domain(psc_module);
+ printf("psc_disable_domain(%d) - %s\n", psc_module,
+ (res) ? "ERROR" : "OK");
+ return 0;
+ }
+
+psc_cmd_usage:
+ return cmd_usage(cmdtp);
+}
+
+U_BOOT_CMD(
+ psc, 3, 0, do_psc_cmd,
+ "<enable/disable psc module os disable domain>",
+ "<mod/domain index> <en|di|domain>\n"
+ "See the hardware.h for Power and Sleep Controller (PSC) Domains\n"
+);
diff --git a/arch/arm/cpu/armv7/keystone/cmd_mon.c
b/arch/arm/cpu/armv7/keystone/cmd_mon.c
new file mode 100644
index 0000000..f9f58a3
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/cmd_mon.c
@@ -0,0 +1,131 @@
+/*
+ * K2HK: secure kernel command file
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+asm(".arch_extension sec\n\t");
+
+static int mon_install(u32 addr, u32 dpsc, u32 freq)
+{
+ int result;
+
+ __asm__ __volatile__ (
+ "stmfd r13!, {lr}\n"
+ "mov r0, %1\n"
+ "mov r1, %2\n"
+ "mov r2, %3\n"
+ "blx r0\n"
+ "ldmfd r13!, {lr}\n"
+ : "=&r" (result)
+ : "r" (addr), "r" (dpsc), "r" (freq)
+ : "cc", "r0", "r1", "r2", "memory");
+ return result;
+}
+
+static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ u32 addr, dpsc_base = 0x1E80000, freq;
+ int rcode = 0;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ freq = clk_get_rate(sys_clk0_6_clk);
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+
+ rcode = mon_install(addr, dpsc_base, freq);
+ printf("## installed monitor, freq [%d], status %d\n",
+ freq, rcode);
+
+ return 0;
+}
+
+U_BOOT_CMD(mon_install, 2, 0, do_mon_install,
+ "Install boot kernel at 'addr'",
+ ""
+);
+
+static void core_spin(void)
+{
+ while (1)
+ ; /* forever */;
/* forever */ - this comment is redundant
And why do you carry ';' ? Why just use while(1); instead
+}
+
+int mon_power_on(int core_id, void *ep)
+{
+ int result;
+
+ asm volatile (
+ "stmfd r13!, {lr}\n"
+ "mov r1, %1\n"
+ "mov r2, %2\n"
+ "mov r0, #0\n"
+ "smc #0\n"
+ "ldmfd r13!, {lr}\n"
+ : "=&r" (result)
+ : "r" (core_id), "r" (ep)
+ : "cc", "r0", "r1", "r2", "memory");
+ return result;
+}
+
+int mon_power_off(int core_id)
+{
+ int result;
+
+ asm volatile (
+ "stmfd r13!, {lr}\n"
+ "mov r1, %1\n"
+ "mov r0, #1\n"
+ "smc #1\n"
+ "ldmfd r13!, {lr}\n"
+ : "=&r" (result)
+ : "r" (core_id)
+ : "cc", "r0", "r1", "memory");
+ return result;
+}
+
+int do_mon_power(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ int rcode = 0, core_id, on;
+ void (*fn)(void);
+
+ fn = core_spin;
why do you need this pointer?
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ core_id = simple_strtoul(argv[1], NULL, 16);
+ on = simple_strtoul(argv[2], NULL, 16);
+
+ if (on)
+ rcode = mon_power_on(core_id, fn);
Maybe there is no need to use fn pointer:
rcode = mon_power_on(core_id, core_spin);
+ else
+ rcode = mon_power_off(core_id);
+
+ if (on) {
+ if (!rcode)
+ printf("core %d powered on successfully\n", core_id);
+ else
+ printf("core %d power on failure\n", core_id);
+ } else {
+ printf("core %d powered off successfully\n", core_id);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(mon_power, 3, 0, do_mon_power,
+ "Power On/Off secondary core",
+ "mon_power <coreid> <oper>\n"
+ "- coreid (1-3) and oper (1 - ON, 0 - OFF)\n"
+ ""
+);
diff --git a/arch/arm/cpu/armv7/keystone/ddr3.c
b/arch/arm/cpu/armv7/keystone/ddr3.c
new file mode 100644
index 0000000..4875db7
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/ddr3.c
@@ -0,0 +1,69 @@
+/*
+ * Keystone2: DDR3 initialization
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+void init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg)
+{
+ unsigned int tmp;
+
+ while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET)
+ & 0x00000001) != 0x00000001)
+ ;
+
+ __raw_writel(phy_cfg->pllcr, base + KS2_DDRPHY_PLLCR_OFFSET);
+
+ tmp = __raw_readl(base + KS2_DDRPHY_PGCR1_OFFSET);
+ tmp &= ~(phy_cfg->pgcr1_mask);
+ tmp |= phy_cfg->pgcr1_val;
+ __raw_writel(tmp, base + KS2_DDRPHY_PGCR1_OFFSET);
+
+ __raw_writel(phy_cfg->ptr0, base + KS2_DDRPHY_PTR0_OFFSET);
+ __raw_writel(phy_cfg->ptr1, base + KS2_DDRPHY_PTR1_OFFSET);
+ __raw_writel(phy_cfg->ptr3, base + KS2_DDRPHY_PTR3_OFFSET);
+ __raw_writel(phy_cfg->ptr4, base + KS2_DDRPHY_PTR4_OFFSET);
+
+ tmp = __raw_readl(base + KS2_DDRPHY_DCR_OFFSET);
+ tmp &= ~(phy_cfg->dcr_mask);
+ tmp |= phy_cfg->dcr_val;
+ __raw_writel(tmp, base + KS2_DDRPHY_DCR_OFFSET);
+
+ __raw_writel(phy_cfg->dtpr0, base + KS2_DDRPHY_DTPR0_OFFSET);
+ __raw_writel(phy_cfg->dtpr1, base + KS2_DDRPHY_DTPR1_OFFSET);
+ __raw_writel(phy_cfg->dtpr2, base + KS2_DDRPHY_DTPR2_OFFSET);
+ __raw_writel(phy_cfg->mr0, base + KS2_DDRPHY_MR0_OFFSET);
+ __raw_writel(phy_cfg->mr1, base + KS2_DDRPHY_MR1_OFFSET);
+ __raw_writel(phy_cfg->mr2, base + KS2_DDRPHY_MR2_OFFSET);
+ __raw_writel(phy_cfg->dtcr, base + KS2_DDRPHY_DTCR_OFFSET);
+ __raw_writel(phy_cfg->pgcr2, base + KS2_DDRPHY_PGCR2_OFFSET);
+
+ __raw_writel(phy_cfg->zq0cr1, base + KS2_DDRPHY_ZQ0CR1_OFFSET);
+ __raw_writel(phy_cfg->zq1cr1, base + KS2_DDRPHY_ZQ1CR1_OFFSET);
+ __raw_writel(phy_cfg->zq2cr1, base + KS2_DDRPHY_ZQ2CR1_OFFSET);
+
+ __raw_writel(phy_cfg->pir_v1, base + KS2_DDRPHY_PIR_OFFSET);
+ while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1)
+ ;
+
+ __raw_writel(phy_cfg->pir_v2, base + KS2_DDRPHY_PIR_OFFSET);
+ while ((__raw_readl(base + KS2_DDRPHY_PGSR0_OFFSET) & 0x1) != 0x1)
+ ;
+}
+
+void init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg)
+{
+ __raw_writel(emif_cfg->sdcfg, base + KS2_DDR3_SDCFG_OFFSET);
+ __raw_writel(emif_cfg->sdtim1, base + KS2_DDR3_SDTIM1_OFFSET);
+ __raw_writel(emif_cfg->sdtim2, base + KS2_DDR3_SDTIM2_OFFSET);
+ __raw_writel(emif_cfg->sdtim3, base + KS2_DDR3_SDTIM3_OFFSET);
+ __raw_writel(emif_cfg->sdtim4, base + KS2_DDR3_SDTIM4_OFFSET);
+ __raw_writel(emif_cfg->zqcfg, base + KS2_DDR3_ZQCFG_OFFSET);
+ __raw_writel(emif_cfg->sdrfc, base + KS2_DDR3_SDRFC_OFFSET);
+}
diff --git a/arch/arm/cpu/armv7/keystone/init.c
b/arch/arm/cpu/armv7/keystone/init.c
new file mode 100644
index 0000000..044015a
--- /dev/null
+++ b/arch/arm/cpu/armv7/keystone/init.c
@@ -0,0 +1,56 @@
+/*
+ * Keystone2: Architecture initialization
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/hardware.h>
+
+void chip_configuration_unlock(void)
why not static inline?
+{
+ __raw_writel(KEYSTONE_KICK0_MAGIC, KEYSTONE_KICK0);
+ __raw_writel(KEYSTONE_KICK1_MAGIC, KEYSTONE_KICK1);
+}
+
+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 */
+#endif
+
+ return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+ volatile u32 *rstctrl = (volatile u32 *)(KS2_RSTCTRL);
+ u32 tmp;
+
+ tmp = *rstctrl & KS2_RSTCTRL_MASK;
+ *rstctrl = tmp | KS2_RSTCTRL_KEY;
+
+ *rstctrl &= KS2_RSTCTRL_SWRST;
+
+ for (;;)
+ ;
+}
+
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+ /* Enable D-cache. I-cache is already enabled in start.S */
+ dcache_enable();
+#endif
+}
...
--
Regards,
Ivan Khoronzhuk
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