From patchwork Fri Feb 7 21:52:24 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Murali Karicheri X-Patchwork-Id: 318332 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id BF1182C00A6 for ; Sat, 8 Feb 2014 08:56:28 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 6AB374BB55; Fri, 7 Feb 2014 22:56:27 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZoM+BWS8q95b; Fri, 7 Feb 2014 22:56:27 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 166684BAC7; Fri, 7 Feb 2014 22:56:13 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 933BD4BB51 for ; Fri, 7 Feb 2014 22:52:57 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0mFoY9KRVNrH for ; Fri, 7 Feb 2014 22:52:49 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) by theia.denx.de (Postfix) with ESMTPS id 40B934BAC7 for ; Fri, 7 Feb 2014 22:52:36 +0100 (CET) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s17LqZwm022275 for ; Fri, 7 Feb 2014 15:52:35 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s17LqZEa000305 for ; Fri, 7 Feb 2014 15:52:35 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.2.342.3; Fri, 7 Feb 2014 15:52:33 -0600 Received: from ares-ubuntu.am.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s17LqWOY025206; Fri, 7 Feb 2014 15:52:33 -0600 Received: from a0868495 by ares-ubuntu.am.dhcp.ti.com with local (Exim 4.76) (envelope-from ) id 1WBtLc-0002fv-MP; Fri, 07 Feb 2014 16:52:32 -0500 From: Murali Karicheri To: Date: Fri, 7 Feb 2014 16:52:24 -0500 Message-ID: <1391809945-10223-7-git-send-email-m-karicheri2@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1391809945-10223-1-git-send-email-m-karicheri2@ti.com> References: <1391809945-10223-1-git-send-email-m-karicheri2@ti.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 07 Feb 2014 22:56:10 +0100 Cc: WingMan Kwok , Sandeep Nair , Vitaly Andrianov Subject: [U-Boot] =?utf-8?q?=5B=5BPATCH_6/7=5D_k2hk=3A_add_support_for_k2h?= =?utf-8?q?k_SOC_and_EVM?= X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de 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 Signed-off-by: Murali Karicheri Signed-off-by: WingMan Kwok Signed-off-by: Sandeep Nair --- Makefile | 19 + arch/arm/cpu/armv7/keystone/Makefile | 18 + arch/arm/cpu/armv7/keystone/aemif.c | 79 +++++ arch/arm/cpu/armv7/keystone/clock-k2hk.c | 106 ++++++ arch/arm/cpu/armv7/keystone/clock.c | 200 +++++++++++ arch/arm/cpu/armv7/keystone/cmd_clock.c | 139 ++++++++ arch/arm/cpu/armv7/keystone/cmd_mon.c | 131 +++++++ arch/arm/cpu/armv7/keystone/config.mk | 14 + arch/arm/cpu/armv7/keystone/ddr3.c | 69 ++++ arch/arm/cpu/armv7/keystone/init.c | 49 +++ arch/arm/cpu/armv7/keystone/lowlevel_init.S | 13 + arch/arm/cpu/armv7/keystone/msmc.c | 69 ++++ arch/arm/cpu/armv7/keystone/psc.c | 240 +++++++++++++ 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 | 97 +++++ arch/arm/include/asm/arch-keystone/emif_defs.h | 75 ++++ arch/arm/include/asm/arch-keystone/hardware-k2hk.h | 143 ++++++++ arch/arm/include/asm/arch-keystone/hardware.h | 174 +++++++++ arch/arm/include/asm/arch-keystone/i2c_defs.h | 86 +++++ arch/arm/include/asm/arch-keystone/nand_defs.h | 25 ++ arch/arm/include/asm/arch-keystone/psc_defs.h | 91 +++++ arch/arm/include/asm/arch-keystone/spl.h | 12 + board/ti/k2hk_evm/Makefile | 9 + board/ti/k2hk_evm/README | 56 +++ board/ti/k2hk_evm/board.c | 246 +++++++++++++ board/ti/k2hk_evm/ddr3.c | 269 ++++++++++++++ boards.cfg | 1 + drivers/i2c/Makefile | 1 + drivers/i2c/keystone_i2c.c | 372 ++++++++++++++++++++ drivers/serial/ns16550.c | 8 + include/configs/k2hk_evm.h | 221 ++++++++++++ 33 files changed, 3203 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-k2hk.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/config.mk 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/lowlevel_init.S 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 drivers/i2c/keystone_i2c.c create mode 100644 include/configs/k2hk_evm.h diff --git a/Makefile b/Makefile index 47a03e3..ea2a387 100644 --- a/Makefile +++ b/Makefile @@ -491,6 +491,23 @@ $(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@ cat $(obj)u-boot.img >> $@ +$(obj)u-boot-spi.gph: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin + $(obj)tools/mkimage -A $(ARCH) -T gpimage -C none \ + -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \ + -n SPL -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.gph + $(OBJCOPY) ${OBJCFLAGS} -I binary \ + --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0 -O binary \ + $(obj)spl/u-boot-spl.gph $(obj)spl/u-boot-spl-pad.gph + cat $(obj)spl/u-boot-spl-pad.gph $(obj)u-boot.img > $@ + +$(obj)u-boot-nand.gph: $(obj)u-boot.bin + $(obj)tools/mkimage -A $(ARCH) -T gpimage -C none \ + -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) \ + -n U-Boot -d $(obj)u-boot.bin $(obj)gph-u-boot.bin + @dd if=/dev/zero of=$(obj)zero.bin bs=8 count=1 2>/dev/null + @cat $(obj)gph-u-boot.bin $(obj)zero.bin > $@ + @rm $(obj)zero.bin + ifneq ($(CONFIG_TEGRA),) $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin @@ -841,12 +858,14 @@ clobber: tidy @rm -f $(obj)u-boot.dtb @rm -f $(obj)u-boot.sb @rm -f $(obj)u-boot.spr + @rm -f $(obj)u-boot-*.gph @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map} @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map} @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map} @rm -f $(obj)spl/u-boot-spl.lds @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map} @rm -f $(obj)tpl/u-boot-spl.lds + @rm -f $(obj)spl/{u-boot-spl.gph,u-boot-spl-pad.gph} @rm -f $(obj)MLO MLO.byteswap @rm -f $(obj)SPL @rm -f $(obj)tools/xway-swap-bytes diff --git a/arch/arm/cpu/armv7/keystone/Makefile b/arch/arm/cpu/armv7/keystone/Makefile new file mode 100644 index 0000000..0fd4189 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/Makefile @@ -0,0 +1,18 @@ +# +# (C) Copyright 2012-2014 +# Texas Instruments Incorporated, +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += aemif.o +obj-y += init.o +obj-y += psc.o +obj-y += clock.o +obj-y += cmd_clock.o +obj-y += cmd_mon.o +obj-y += msmc.o +obj-y += lowlevel_init.o +obj-$(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..1063858 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/aemif.c @@ -0,0 +1,79 @@ +/* + * Keystone2: Asynchronous EMIF Configuration + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include + +#ifdef CONFIG_SOC_K2HK +#define ASYNC_EMIF_BASE K2HK_ASYNC_EMIF_CNTRL_BASE +#endif + +#define ASYNC_EMIF_CONFIG(cs) (ASYNC_EMIF_BASE+0x10+(cs)*4) +#define ASYNC_EMIF_ONENAND_CONTROL (ASYNC_EMIF_BASE+0x5c) +#define ASYNC_EMIF_NAND_CONTROL (ASYNC_EMIF_BASE+0x60) +#define ASYNC_EMIF_WAITCYCLE_CONFIG (ASYNC_EMIF_BASE+0x4) + +#define CONFIG_SELECT_STROBE(v) ((v) ? 1 << 31 : 0) +#define CONFIG_EXTEND_WAIT(v) ((v) ? 1 << 30 : 0) +#define CONFIG_WR_SETUP(v) (((v) & 0x0f) << 26) +#define CONFIG_WR_STROBE(v) (((v) & 0x3f) << 20) +#define CONFIG_WR_HOLD(v) (((v) & 0x07) << 17) +#define CONFIG_RD_SETUP(v) (((v) & 0x0f) << 13) +#define CONFIG_RD_STROBE(v) (((v) & 0x3f) << 7) +#define CONFIG_RD_HOLD(v) (((v) & 0x07) << 4) +#define CONFIG_TURN_AROUND(v) (((v) & 0x03) << 2) +#define CONFIG_WIDTH(v) (((v) & 0x03) << 0) + +#define set_config_field(reg, field, val) \ + do { \ + if (val != -1) { \ + reg &= ~CONFIG_##field(0xffffffff); \ + reg |= CONFIG_##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(ASYNC_EMIF_NAND_CONTROL); + tmp |= (1 << cs); + __raw_writel(tmp, ASYNC_EMIF_NAND_CONTROL); + + } else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) { + tmp = __raw_readl(ASYNC_EMIF_ONENAND_CONTROL); + tmp |= (1 << cs); + __raw_writel(tmp, ASYNC_EMIF_ONENAND_CONTROL); + } + + tmp = __raw_readl(ASYNC_EMIF_CONFIG(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, ASYNC_EMIF_CONFIG(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-k2hk.c b/arch/arm/cpu/armv7/keystone/clock-k2hk.c new file mode 100644 index 0000000..5e404dd --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/clock-k2hk.c @@ -0,0 +1,106 @@ +/* + * K2HK: pll clock utilities + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +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 & 0x3f) + 1; + mult = (((tmp & 0x7f000) >> 6) | (pllctl_reg_read(pll, + mult) & 0x3f)) + 1; + output_div = ((pllctl_reg_read(pll, secctl) >> 19) & + 0xf) + 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 & 0x00800000)) { + /* Bypass disabled */ + prediv = (tmp & 0x3f) + 1; + mult = ((tmp >> 6) & 0x1fff) + 1; + output_div = ((tmp >> 19) & 0xf) + 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; +} + diff --git a/arch/arm/cpu/armv7/keystone/clock.c b/arch/arm/cpu/armv7/keystone/clock.c new file mode 100644 index 0000000..70f88ce --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/clock.c @@ -0,0 +1,200 @@ +/* + * Keystone2: pll initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include + +static void pll_delay(unsigned int loop_count) +{ + while (loop_count--) + asm(" NOP"); +} + +static void wait_for_completion(const struct pll_init_data *data) +{ + int i; + for (i = 0; i < 100; i++) { + pll_delay(300); + if ((pllctl_reg_read(data->pll, stat) & 0x00000001) == 0) + break; + } +} + +struct pll_regs { + u32 reg0, reg1; +}; + + +#include "clock-k2hk.c" + +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) & 0x3f; + pllod = (data->pll_od - 1) & 0xf; + + if (data->pll == MAIN_PLL) { + pll_delay(140000); + + tmp = pllctl_reg_read(data->pll, secctl); + + if (tmp & (PLLCTL_BYPASS)) { + reg_setbits(pll_regs[data->pll].reg1, + BIT(MAIN_ENSAT_OFFSET)); + + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN | + PLLCTL_PLLENSRC); + pll_delay(225); + + pllctl_reg_setbits(data->pll, secctl, PLLCTL_BYPASS); + pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLPWRDN); + pll_delay(14000); + + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLPWRDN); + } else { + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN | + PLLCTL_PLLENSRC); + pll_delay(225); + } + + pllctl_reg_write(data->pll, mult, pllm & 0x3f); + + reg_rmw(pll_regs[data->pll].reg0, 0x0007F000, (pllm << 6)); + + /* Set the BWADJ (12 bit field) */ + tmp_ctl = pllm >> 1; /* Divide the pllm by 2 */ + reg_rmw(pll_regs[data->pll].reg0, 0xFF000000, (tmp_ctl << 24)); + reg_rmw(pll_regs[data->pll].reg1, 0x0000000F, (tmp_ctl >> 8)); + + /* Set the pll divider (6 bit field) * + * PLLD[5:0] is located in MAINPLLCTL0 */ + reg_rmw(pll_regs[data->pll].reg0, 0x0000003F, plld); + + /* Set the OUTPUT DIVIDE (4 bit field) in SECCTL */ + pllctl_reg_rmw(data->pll, secctl, 0x00780000, (pllod << 19)); + wait_for_completion(data); + + pllctl_reg_write(data->pll, div1, 0x00008000); + pllctl_reg_write(data->pll, div2, 0x00008000); + pllctl_reg_write(data->pll, div3, 0x00008001); + pllctl_reg_write(data->pll, div4, 0x00008004); + pllctl_reg_write(data->pll, div5, 0x000080017); + + 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, 0x1); + pll_delay(1000); /* wait for the phase adj */ + wait_for_completion(data); + + /* Reset PLL */ + pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLRST); + pll_delay(14000); /* Wait for a minimum of 7 us*/ + pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLRST); + pll_delay(70000); /* 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), */ + reg_setbits(pll_regs[data->pll].reg0, 0x00800000); + /* Set CHIPMISCCTL1[13] = 0 (enable glitchfree bypass) + * only applicable for Kepler */ + reg_clrbits(0x02620c7c, (1<<13)); + /* 2 In PLLCTL1, write PLLRST = 1 (PLL is reset) */ + reg_setbits(pll_regs[data->pll].reg1 , (1<<14) | (1 << 6)); + + /* 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 & 0xff) << 24) | (pllm << 6) | + (plld & 0x3f) | (pllod<<19) | 0x00800000; + __raw_writel(tmp, pll_regs[data->pll].reg0); + + /* Set BWADJ[11:8] bits */ + tmp = __raw_readl(pll_regs[data->pll].reg1); + tmp &= ~(0xf); + tmp |= ((bwadj>>8) & 0xf); + __raw_writel(tmp, pll_regs[data->pll].reg1); + /* 5 Wait for at least 5 us based on the reference + * clock (PLL reset time) */ + pll_delay(14000); /* Wait for a minimum of 7 us*/ + + /* 6 In PLLCTL1, write PLLRST = 0 (PLL reset is released) */ + reg_clrbits(pll_regs[data->pll].reg1 , (1<<14)); + /* 7 Wait for at least 500 * REFCLK cycles * (PLLD + 1) + * (PLL lock time) */ + pll_delay(70000); + /* 8 disable bypass */ + reg_clrbits(pll_regs[data->pll].reg0, 0x00800000); + /* 9 Set CHIPMISCCTL1[13] = 1 (disable glitchfree bypass) + * only applicable for Kepler */ + reg_setbits(0x02620c7c, (1<<13)); + } else { + reg_setbits(pll_regs[data->pll].reg1, 0x00000040); + /* process keeps state of Bypass bit while programming + * all other DDR PLL settings */ + tmp = __raw_readl(pll_regs[data->pll].reg0); + tmp &= 0x00800000; /* clear everything except Bypass */ + + /* Set the BWADJ[7:0], PLLD[5:0] and PLLM to PLLCTL0, + * bypass disabled */ + bwadj = pllm >> 1; + tmp |= ((bwadj & 0xff) << 24) | (pllm << 6) | + (plld & 0x3f) | (pllod<<19); + __raw_writel(tmp, pll_regs[data->pll].reg0); + + /* Set BWADJ[11:8] bits */ + tmp = __raw_readl(pll_regs[data->pll].reg1); + tmp &= ~(0xf); + tmp |= ((bwadj>>8) & 0xf); + + /* set PLL Select (bit 13) for PASS PLL */ + if (data->pll == PASS_PLL) + tmp |= 0x00002000; + + __raw_writel(tmp, pll_regs[data->pll].reg1); + + /* Reset bit: bit 14 for both DDR3 & PASS PLL */ + tmp = 0x00004000; + /* Set RESET bit = 1 */ + reg_setbits(pll_regs[data->pll].reg1, tmp); + /* Wait for a minimum of 7 us*/ + pll_delay(14000); + /* Clear RESET bit */ + reg_clrbits(pll_regs[data->pll].reg1, tmp); + pll_delay(70000); + + /* clear BYPASS (Enable PLL Mode) */ + reg_clrbits(pll_regs[data->pll].reg0, 0x00800000); + pll_delay(14000); /* Wait for a minimum of 7 us*/ + } + + pll_delay(140000); +} + +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..a18e31b --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/cmd_clock.c @@ -0,0 +1,139 @@ +/* + * keystone2: commands for clocks + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +static u32 atoui(char *pstr) +{ + u32 res = 0; + + for (; *pstr != 0; pstr++) { + if (*pstr < '0' || *pstr > '9') + break; + + res = (res * 10) + (*pstr - '0'); + } + + return res; +} + +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 = atoui(argv[2]); + cmd_pll_data.pll_d = atoui(argv[3]); + cmd_pll_data.pll_od = atoui(argv[4]); + + 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", + "
\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 = atoui(argv[1]); + + 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", + "\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 = atoui(argv[1]); + 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, + "", + " \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, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +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 */; +} + +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; + + 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); + 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 \n" + "- coreid (1-3) and oper (1 - ON, 0 - OFF)\n" + "" +); diff --git a/arch/arm/cpu/armv7/keystone/config.mk b/arch/arm/cpu/armv7/keystone/config.mk new file mode 100644 index 0000000..18385f4 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/config.mk @@ -0,0 +1,14 @@ +# (C) Copyright 2012-2014 +# Texas Instruments Incorporated, +# SPDX-License-Identifier: GPL-2.0+ +# + +PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float + +# ========================================================================= +# +# Supply options according to compiler version +# +# ========================================================================= +PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\ + $(call cc-option,-malignment-traps,)) 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, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +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..6d5512e --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -0,0 +1,49 @@ +/* + * Keystone2: Architecture initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +void chip_configuration_unlock(void) +{ + __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 *)(CLOCK_BASE + 0xe8); + u32 tmp; + + tmp = *rstctrl & 0xffff0000; + *rstctrl = tmp | 0x5a69; + + *rstctrl &= 0xfffe0000; + + for (;;) + ; +} + diff --git a/arch/arm/cpu/armv7/keystone/lowlevel_init.S b/arch/arm/cpu/armv7/keystone/lowlevel_init.S new file mode 100644 index 0000000..ac98472 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/lowlevel_init.S @@ -0,0 +1,13 @@ +/* + * Keystone2: Low-level pre-relocation initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +.globl lowlevel_init +lowlevel_init: + /* nothing for now, maybe needed for more exotic boot modes */ + mov pc, lr diff --git a/arch/arm/cpu/armv7/keystone/msmc.c b/arch/arm/cpu/armv7/keystone/msmc.c new file mode 100644 index 0000000..8f2f324 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/msmc.c @@ -0,0 +1,69 @@ +/* + * MSMC controller utilities + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +struct mpax { + u32 mpaxl; + u32 mpaxh; +}; + +struct msms_regs { + u32 pid; + u32 _res_04; + u32 smcerrar; + u32 smcerrxr; + u32 smedcc; + u32 smcea; + u32 smsecc; + u32 smpfar; + u32 smpfxr; + u32 smpfr; + u32 smpfcr; + u32 _res_2c; + u32 sbndc[8]; + u32 sbndm; + u32 sbnde; + u32 _res_58; + u32 cfglck; + u32 cfgulck; + u32 cfglckstat; + u32 sms_mpax_lck; + u32 sms_mpax_ulck; + u32 sms_mpax_lckstat; + u32 ses_mpax_lck; + u32 ses_mpax_ulck; + u32 ses_mpax_lckstat; + u32 smestat; + u32 smirstat; + u32 smirc; + u32 smiestat; + u32 smiec; + u32 _res_94_c0[12]; + u32 smncerrar; + u32 smncerrxr; + u32 smncea; + u32 _res_d0_1fc[76]; + struct mpax sms[16][8]; + struct mpax ses[16][8]; +}; + + +void share_all_segments(int priv_id) +{ + struct msms_regs *msmc = (struct msms_regs *)K2HK_MSMC_CTRL_BASE; + int j; + + for (j = 0; j < 8; j++) { + msmc->sms[priv_id][j].mpaxh &= 0xffffff7ful; + msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful; + } +} + diff --git a/arch/arm/cpu/armv7/keystone/psc.c b/arch/arm/cpu/armv7/keystone/psc.c new file mode 100644 index 0000000..9697da6 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/psc.c @@ -0,0 +1,240 @@ +/* + * Keystone: PSC configuration module + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/***************************************************************************** + * FILE PURPOSE: Driver for the PSC module + ***************************************************************************** + * FILE NAME: psc.c + * + * DESCRIPTION: The boot loader PSC driver + * + *****************************************************************************/ +#include +#include +#include +#include +#include + +#define DEVICE_REG32_R(addr) __raw_readl((u32 *)(addr)) +#define DEVICE_REG32_W(addr, val) __raw_writel(val, (u32 *)(addr)) + +#ifdef CONFIG_SOC_K2HK +#define DEVICE_PSC_BASE K2HK_PSC_BASE +#endif + +int psc_delay(void) +{ + udelay(10); + return 10; +} + +/****************************************************************************** + * FUNCTION PURPOSE: Wait for end of transitional state + ****************************************************************************** + * DESCRIPTION: Polls pstat for the selected domain and waits for transitions + * to be complete. + * + * Since this is boot loader code it is *ASSUMED* that interrupts + * are disabled and no other core is mucking around with the psc + * at the same time. + * + * Returns 0 when the domain is free. Returns -1 if a timeout + * occurred waiting for the completion. + *****************************************************************************/ +int psc_wait(u32 domain_num) +{ + u32 retry; + u32 ptstat; + + /* Do nothing if the power domain is in transition. This should never + * happen since the boot code is the only software accesses psc. + * It's still remotely possible that the hardware state machines + * initiate transitions. + * Don't trap if the domain (or a module in this domain) is + * stuck in transition. */ + retry = 0; + + do { + ptstat = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PSTAT); + ptstat = ptstat & (1 << domain_num); + } while ((ptstat != 0) && ((retry += psc_delay()) < + PSC_PTSTAT_TIMEOUT_LIMIT)); + + if (retry >= PSC_PTSTAT_TIMEOUT_LIMIT) + return -1; + + return 0; +} + +u32 psc_get_domain_num(u32 mod_num) +{ + u32 domain_num; + + /* Get the power domain associated with the module number */ + domain_num = DEVICE_REG32_R(DEVICE_PSC_BASE + + PSC_REG_MDCFG(mod_num)); + domain_num = PSC_REG_MDCFG_GET_PD(domain_num); + + return domain_num; +} + +/***************************************************************************** + * FUNCTION PURPOSE: Power up/down a module + ***************************************************************************** + * DESCRIPTION: Powers up/down the requested module and the associated power + * domain if required. No action is taken it the module is + * already powered up/down. + * + * This only controls modules. The domain in which the module + * resides will be left in the power on state. Multiple modules + * can exist in a power domain, so powering down the domain based + * on a single module is not done. + * + * Returns 0 on success, -1 if the module can't be powered up, or + * if there is a timeout waiting for the transition. + *****************************************************************************/ +int psc_set_state(u32 mod_num, u32 state) +{ + u32 domain_num; + u32 pdctl; + u32 mdctl; + u32 ptcmd; + u32 reset_iso; + u32 v; + + /* Get the power domain associated with the module number, and reset + * isolation functionality */ + v = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCFG(mod_num)); + domain_num = PSC_REG_MDCFG_GET_PD(v); + reset_iso = PSC_REG_MDCFG_GET_RESET_ISO(v); + + /* Wait for the status of the domain/module to be non-transitional */ + if (psc_wait(domain_num) != 0) + return -1; + + /* Perform configuration even if the current status matches the + * existing state */ + + /* Set the next state of the power domain to on. It's OK if the domain + * is always on. This code will not ever power down a domain, so no + * change is made if the new state is power down. */ + if (state == PSC_REG_VAL_MDCTL_NEXT_ON) { + pdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + + PSC_REG_PDCTL(domain_num)); + pdctl = PSC_REG_PDCTL_SET_NEXT(pdctl, + PSC_REG_VAL_PDCTL_NEXT_ON); + DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_PDCTL(domain_num), + pdctl); + } + + /* Set the next state for the module to enabled/disabled */ + mdctl = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num)); + mdctl = PSC_REG_MDCTL_SET_NEXT(mdctl, state); + mdctl = PSC_REG_MDCTL_SET_RESET_ISO(mdctl, reset_iso); + DEVICE_REG32_W(DEVICE_PSC_BASE + PSC_REG_MDCTL(mod_num), mdctl); + + /* Trigger the enable */ + ptcmd = DEVICE_REG32_R(DEVICE_PSC_BASE + PSC_REG_PTCMD); + ptcmd |= (u32)(1< + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include +#include +#include +#include +#include +#include + +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static struct pll_init_data spl_pll_config[] = { + CORE_PLL_799, + TETRIS_PLL_500, +}; + +void spl_init_keystone_plls(void) +{ + init_plls(ARRAY_SIZE(spl_pll_config), spl_pll_config); +} + +void spl_board_init(void) +{ + spl_init_keystone_plls(); + preloader_console_init(); +} + +u32 spl_boot_device(void) +{ +#if defined(CONFIG_SPL_SPI_LOAD) + return BOOT_DEVICE_SPI; +#else + puts("Unknown boot device\n"); + hang(); +#endif +} diff --git a/arch/arm/include/asm/arch-keystone/clock-k2hk.h b/arch/arm/include/asm/arch-keystone/clock-k2hk.h new file mode 100644 index 0000000..6721939 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/clock-k2hk.h @@ -0,0 +1,109 @@ +/* + * K2HK: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2HK_H +#define __ASM_ARCH_CLOCK_K2HK_H + +#include + +#ifndef __ASSEMBLY__ + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + tetris_clk, + ddr3a_clk, + ddr3b_clk, + mcm_clk, + pcie_clk, + sgmii_srio_clk, + xgmii_clk, + usb_clk, + rp1_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, + tetris_pll_clk, + ddr3a_pll_clk, + ddr3b_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 K2HK_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + TETRIS_PLL, + DDR3A_PLL, + DDR3B_PLL, +}; +#define MAIN_PLL CORE_PLL + +/* PLL configuration data */ +struct pll_init_data { + int pll; + int pll_m; /* PLL Multiplier */ + int pll_d; /* PLL divider */ + int pll_od; /* PLL output divider */ +}; + +#define CORE_PLL_799 {CORE_PLL, 13, 1, 2} +#define CORE_PLL_983 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_1167 {CORE_PLL, 19, 1, 2} +#define CORE_PLL_1228 {CORE_PLL, 20, 1, 2} +#define PASS_PLL_1228 {PASS_PLL, 20, 1, 2} +#define PASS_PLL_983 {PASS_PLL, 16, 1, 2} +#define PASS_PLL_1050 {PASS_PLL, 205, 12, 2} +#define TETRIS_PLL_500 {TETRIS_PLL, 8, 1, 2} +#define TETRIS_PLL_750 {TETRIS_PLL, 12, 1, 2} +#define TETRIS_PLL_687 {TETRIS_PLL, 11, 1, 2} +#define TETRIS_PLL_625 {TETRIS_PLL, 10, 1, 2} +#define TETRIS_PLL_812 {TETRIS_PLL, 13, 1, 2} +#define TETRIS_PLL_875 {TETRIS_PLL, 14, 1, 2} +#define TETRIS_PLL_1188 {TETRIS_PLL, 19, 2, 1} +#define TETRIS_PLL_1200 {TETRIS_PLL, 48, 5, 1} +#define TETRIS_PLL_1375 {TETRIS_PLL, 22, 2, 1} +#define TETRIS_PLL_1400 {TETRIS_PLL, 56, 5, 1} +#define DDR3_PLL_200(x) {DDR3##x##_PLL, 4, 1, 2} +#define DDR3_PLL_400(x) {DDR3##x##_PLL, 16, 1, 4} +#define DDR3_PLL_800(x) {DDR3##x##_PLL, 16, 1, 2} +#define DDR3_PLL_333(x) {DDR3##x##_PLL, 20, 1, 6} + +void init_plls(int num_pll, struct pll_init_data *config); +void init_pll(const struct pll_init_data *data); +unsigned long clk_get_rate(unsigned int clk); +unsigned long clk_round_rate(unsigned int clk, unsigned long hz); +int clk_set_rate(unsigned int clk, unsigned long hz); + +#endif + +#endif diff --git a/arch/arm/include/asm/arch-keystone/clock.h b/arch/arm/include/asm/arch-keystone/clock.h new file mode 100644 index 0000000..324501b --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/clock.h @@ -0,0 +1,17 @@ +/* + * keystone2: common clock header file + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H + +#ifdef CONFIG_SOC_K2HK +#include +#endif + +#endif diff --git a/arch/arm/include/asm/arch-keystone/clock_defs.h b/arch/arm/include/asm/arch-keystone/clock_defs.h new file mode 100644 index 0000000..00e3dfb --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/clock_defs.h @@ -0,0 +1,97 @@ +/* + * keystone2: common pll clock definitions + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CLOCK_DEFS_H_ +#define _CLOCK_DEFS_H_ + +#include + +#define BIT(x) (1 << (x)) + +/* PLL Control Registers */ +struct pllctl_regs { + u32 ctl; /* 00 */ + u32 ocsel; /* 04 */ + u32 secctl; /* 08 */ + u32 __pad0; + u32 mult; /* 10 */ + u32 prediv; /* 14 */ + u32 div1; /* 18 */ + u32 div2; /* 1c */ + u32 div3; /* 20 */ + u32 oscdiv1; /* 24 */ + u32 __pad1; /* 28 */ + u32 bpdiv; /* 2c */ + u32 wakeup; /* 30 */ + u32 __pad2; + u32 cmd; /* 38 */ + u32 stat; /* 3c */ + u32 alnctl; /* 40 */ + u32 dchange; /* 44 */ + u32 cken; /* 48 */ + u32 ckstat; /* 4c */ + u32 systat; /* 50 */ + u32 ckctl; /* 54 */ + u32 __pad3[2]; + u32 div4; /* 60 */ + u32 div5; /* 64 */ + u32 div6; /* 68 */ + u32 div7; /* 6c */ + u32 div8; /* 70 */ + u32 div9; /* 74 */ + u32 div10; /* 78 */ + u32 div11; /* 7c */ + u32 div12; /* 80 */ +}; + +static struct pllctl_regs *pllctl_regs[] = { + (struct pllctl_regs *)(CLOCK_BASE + 0x100) +}; + +#define pllctl_reg(pll, reg) (&(pllctl_regs[pll]->reg)) +#define pllctl_reg_read(pll, reg) __raw_readl(pllctl_reg(pll, reg)) +#define pllctl_reg_write(pll, reg, val) __raw_writel(val, pllctl_reg(pll, reg)) + +#define pllctl_reg_rmw(pll, reg, mask, val) \ + pllctl_reg_write(pll, reg, \ + (pllctl_reg_read(pll, reg) & ~(mask)) | val) + +#define pllctl_reg_setbits(pll, reg, mask) \ + pllctl_reg_rmw(pll, reg, 0, mask) + +#define pllctl_reg_clrbits(pll, reg, mask) \ + pllctl_reg_rmw(pll, reg, mask, 0) + +#define reg_rmw(reg, mask, val) \ + __raw_writel((__raw_readl((reg)) & ~(mask)) | ((val) & (mask)) , \ + (reg)); + +#define reg_setbits(reg, bits) \ + __raw_writel((__raw_readl(reg) | (bits)) , (reg)); + +#define reg_clrbits(reg, bits) \ + __raw_writel((__raw_readl(reg) & ~(bits)) , (reg)); + +#define pll0div_read(N) ((pllctl_reg_read(CORE_PLL, div##N) & 0xff) + 1) + +/* PLLCTL Bits */ +#define PLLCTL_BYPASS BIT(23) +#define PLLCTL_CLKMODE BIT(8) +#define PLLCTL_PLLSELB BIT(7) +#define PLLCTL_PLLENSRC BIT(5) +#define PLLCTL_PLLDIS BIT(4) +#define PLLCTL_PLLRST BIT(3) +#define PLLCTL_PLLPWRDN BIT(1) +#define PLLCTL_PLLEN BIT(0) + +#define MAIN_ENSAT_OFFSET 6 + +#define PLLDIV_ENABLE BIT(15) + + +#endif /* _CLOCK_DEFS_H_ */ diff --git a/arch/arm/include/asm/arch-keystone/emif_defs.h b/arch/arm/include/asm/arch-keystone/emif_defs.h new file mode 100644 index 0000000..fa93321 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/emif_defs.h @@ -0,0 +1,75 @@ +/* + * emif definitions to re-use davinci emif driver on Keystone2 + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * (C) Copyright 2007 Sergey Kubushyn + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _EMIF_DEFS_H_ +#define _EMIF_DEFS_H_ + +#include + +struct davinci_emif_regs { + u_int32_t ercsr; + u_int32_t awccr; + u_int32_t sdbcr; + u_int32_t sdrcr; + u_int32_t ab1cr; + u_int32_t ab2cr; + u_int32_t ab3cr; + u_int32_t ab4cr; + u_int32_t sdtimr; + u_int32_t ddrsr; + u_int32_t ddrphycr; + u_int32_t ddrphysr; + u_int32_t totar; + u_int32_t totactr; + u_int32_t ddrphyid_rev; + u_int32_t sdsretr; + u_int32_t eirr; + u_int32_t eimr; + u_int32_t eimsr; + u_int32_t eimcr; + u_int32_t ioctrlr; + u_int32_t iostatr; + u_int8_t rsvd0[8]; + u_int32_t nandfcr; + u_int32_t nandfsr; + u_int8_t rsvd1[8]; + u_int32_t nandfecc[4]; + u_int8_t rsvd2[60]; + u_int32_t nand4biteccload; + u_int32_t nand4bitecc[4]; + u_int32_t nanderradd1; + u_int32_t nanderradd2; + u_int32_t nanderrval1; + u_int32_t nanderrval2; +}; + +#define davinci_emif_regs \ + ((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE) + +#define DAVINCI_NANDFCR_NAND_ENABLE(n) (1 << ((n) - 2)) +#define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK (3 << 4) +#define DAVINCI_NANDFCR_4BIT_ECC_SEL(n) (((n) - 2) << 4) +#define DAVINCI_NANDFCR_1BIT_ECC_START(n) (1 << (8 + ((n) - 2))) +#define DAVINCI_NANDFCR_4BIT_ECC_START (1 << 12) +#define DAVINCI_NANDFCR_4BIT_CALC_START (1 << 13) + +/* Chip Select setup */ +#define DAVINCI_ABCR_STROBE_SELECT (1 << 31) +#define DAVINCI_ABCR_EXT_WAIT (1 << 30) +#define DAVINCI_ABCR_WSETUP(n) ((n) << 26) +#define DAVINCI_ABCR_WSTROBE(n) ((n) << 20) +#define DAVINCI_ABCR_WHOLD(n) ((n) << 17) +#define DAVINCI_ABCR_RSETUP(n) ((n) << 13) +#define DAVINCI_ABCR_RSTROBE(n) ((n) << 7) +#define DAVINCI_ABCR_RHOLD(n) ((n) << 4) +#define DAVINCI_ABCR_TA(n) ((n) << 2) +#define DAVINCI_ABCR_ASIZE_16BIT 1 +#define DAVINCI_ABCR_ASIZE_8BIT 0 + +#endif diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h new file mode 100644 index 0000000..929dc90 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h @@ -0,0 +1,143 @@ +/* + * K2HK: SoC definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_ARCH_HARDWARE_K2HK_H +#define __ASM_ARCH_HARDWARE_K2HK_H + +#define K2HK_ASYNC_EMIF_CNTRL_BASE 0x21000a00 +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE K2HK_ASYNC_EMIF_CNTRL_BASE +#define K2HK_ASYNC_EMIF_DATA_CE0_BASE 0x30000000 +#define K2HK_ASYNC_EMIF_DATA_CE1_BASE 0x34000000 +#define K2HK_ASYNC_EMIF_DATA_CE2_BASE 0x38000000 +#define K2HK_ASYNC_EMIF_DATA_CE3_BASE 0x3c000000 + +#define K2HK_PLL_CNTRL_BASE 0x02310000 +#define CLOCK_BASE K2HK_PLL_CNTRL_BASE +#define K2HK_PSC_BASE 0x02350000 +#define KS2_DEVICE_STATE_CTRL_BASE 0x02620000 +#define JTAG_ID_REG (KS2_DEVICE_STATE_CTRL_BASE + 0x18) +#define K2HK_DEVSTAT (KS2_DEVICE_STATE_CTRL_BASE + 0x20) + +#define K2HK_SPI0_BASE 0x21000400 +#define K2HK_SPI1_BASE 0x21000600 +#define K2HK_SPI2_BASE 0x21000800 +#define K2HK_SPI_BASE K2HK_SPI0_BASE + +/* Chip configuration unlock codes and registers */ +#define KEYSTONE_KICK0 (KS2_DEVICE_STATE_CTRL_BASE+0x38) +#define KEYSTONE_KICK1 (KS2_DEVICE_STATE_CTRL_BASE+0x3c) +#define KEYSTONE_KICK0_MAGIC 0x83e70b13 +#define KEYSTONE_KICK1_MAGIC 0x95a4f1e0 + +/* PA SS Registers */ +#define KS2_PASS_BASE 0x02000000 + +/* PLL control registers */ +#define K2HK_MAINPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE+0x350) +#define K2HK_MAINPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE+0x354) +#define K2HK_PASSPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE+0x358) +#define K2HK_PASSPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE+0x35C) +#define K2HK_DDR3APLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE+0x360) +#define K2HK_DDR3APLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE+0x364) +#define K2HK_DDR3BPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE+0x368) +#define K2HK_DDR3BPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE+0x36C) +#define K2HK_ARMPLLCTL0 (KS2_DEVICE_STATE_CTRL_BASE+0x370) +#define K2HK_ARMPLLCTL1 (KS2_DEVICE_STATE_CTRL_BASE+0x374) + +/******************************************************************************/ +/* Power and Sleep Controller (PSC) Domains */ +#define K2HK_LPSC_MOD 0 +#define K2HK_LPSC_DUMMY1 1 +#define K2HK_LPSC_USB 2 +#define K2HK_LPSC_EMIF25_SPI 3 +#define K2HK_LPSC_TSIP 4 +#define K2HK_LPSC_DEBUGSS_TRC 5 +#define K2HK_LPSC_TETB_TRC 6 +#define K2HK_LPSC_PKTPROC 7 +#define KS2_LPSC_PA K2HK_LPSC_PKTPROC +#define K2HK_LPSC_SGMII 8 +#define KS2_LPSC_CPGMAC K2HK_LPSC_SGMII +#define K2HK_LPSC_CRYPTO 9 +#define K2HK_LPSC_PCIE 10 +#define K2HK_LPSC_SRIO 11 +#define K2HK_LPSC_VUSR0 12 +#define K2HK_LPSC_CHIP_SRSS 13 +#define K2HK_LPSC_MSMC 14 +#define K2HK_LPSC_GEM_0 15 +#define K2HK_LPSC_GEM_1 16 +#define K2HK_LPSC_GEM_2 17 +#define K2HK_LPSC_GEM_3 18 +#define K2HK_LPSC_GEM_4 19 +#define K2HK_LPSC_GEM_5 20 +#define K2HK_LPSC_GEM_6 21 +#define K2HK_LPSC_GEM_7 22 +#define K2HK_LPSC_EMIF4F_DDR3A 23 +#define K2HK_LPSC_EMIF4F_DDR3B 24 +#define K2HK_LPSC_TAC 25 +#define K2HK_LPSC_RAC 26 +#define K2HK_LPSC_RAC_1 27 +#define K2HK_LPSC_FFTC_A 28 +#define K2HK_LPSC_FFTC_B 29 +#define K2HK_LPSC_FFTC_C 30 +#define K2HK_LPSC_FFTC_D 31 +#define K2HK_LPSC_FFTC_E 32 +#define K2HK_LPSC_FFTC_F 33 +#define K2HK_LPSC_AI2 34 +#define K2HK_LPSC_TCP3D_0 35 +#define K2HK_LPSC_TCP3D_1 36 +#define K2HK_LPSC_TCP3D_2 37 +#define K2HK_LPSC_TCP3D_3 38 +#define K2HK_LPSC_VCP2X4_A 39 +#define K2HK_LPSC_CP2X4_B 40 +#define K2HK_LPSC_VCP2X4_C 41 +#define K2HK_LPSC_VCP2X4_D 42 +#define K2HK_LPSC_VCP2X4_E 43 +#define K2HK_LPSC_VCP2X4_F 44 +#define K2HK_LPSC_VCP2X4_G 45 +#define K2HK_LPSC_VCP2X4_H 46 +#define K2HK_LPSC_BCP 47 +#define K2HK_LPSC_DXB 48 +#define K2HK_LPSC_VUSR1 49 +#define K2HK_LPSC_XGE 50 +#define K2HK_LPSC_ARM_SREFLEX 51 +#define K2HK_LPSC_TETRIS 52 + + +#define K2HK_UART0_BASE 0x02530c00 + +/* DDR3A definitions */ +#define K2HK_DDR3A_EMIF_CTRL_BASE 0x21010000 +#define K2HK_DDR3A_EMIF_DATA_BASE 0x80000000 +#define K2HK_DDR3A_DDRPHYC 0x02329000 +/* DDR3B definitions */ +#define K2HK_DDR3B_EMIF_CTRL_BASE 0x21020000 +#define K2HK_DDR3B_EMIF_DATA_BASE 0x60000000 +#define K2HK_DDR3B_DDRPHYC 0x02328000 + +/* Queue manager */ +#define DEVICE_QM_MANAGER_BASE 0x02a02000 +#define DEVICE_QM_DESC_SETUP_BASE 0x02a03000 +#define DEVICE_QM_MANAGER_QUEUES_BASE 0x02a80000 +#define DEVICE_QM_MANAGER_Q_PROXY_BASE 0x02ac0000 +#define DEVICE_QM_QUEUE_STATUS_BASE 0x02a40000 +#define DEVICE_QM_NUM_LINKRAMS 2 +#define DEVICE_QM_NUM_MEMREGIONS 20 + +#define DEVICE_PA_CDMA_GLOBAL_CFG_BASE 0x02004000 +#define DEVICE_PA_CDMA_TX_CHAN_CFG_BASE 0x02004400 +#define DEVICE_PA_CDMA_RX_CHAN_CFG_BASE 0x02004800 +#define DEVICE_PA_CDMA_RX_FLOW_CFG_BASE 0x02005000 + +#define DEVICE_PA_CDMA_RX_NUM_CHANNELS 24 +#define DEVICE_PA_CDMA_RX_NUM_FLOWS 32 +#define DEVICE_PA_CDMA_TX_NUM_CHANNELS 9 + +/* MSMC control */ +#define K2HK_MSMC_CTRL_BASE 0x0bc00000 + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h new file mode 100644 index 0000000..8d3f97d --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -0,0 +1,174 @@ +/* + * Keystone2: Common SoC definitions, structures etc. + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include + +#ifndef __ASSEMBLY__ + +#include +#include + +#define REG(addr) (*(volatile unsigned int *)(addr)) +#define REG_P(addr) ((volatile unsigned int *)(addr)) + +typedef volatile unsigned int dv_reg; +typedef volatile unsigned int *dv_reg_p; + +#define ASYNC_EMIF_NUM_CS 4 +#define ASYNC_EMIF_MODE_NOR 0 +#define ASYNC_EMIF_MODE_NAND 1 +#define ASYNC_EMIF_MODE_ONENAND 2 +#define ASYNC_EMIF_PRESERVE -1 + +struct async_emif_config { + unsigned mode; + unsigned select_strobe; + unsigned extend_wait; + unsigned wr_setup; + unsigned wr_strobe; + unsigned wr_hold; + unsigned rd_setup; + unsigned rd_strobe; + unsigned rd_hold; + unsigned turn_around; + enum { + ASYNC_EMIF_8 = 0, + ASYNC_EMIF_16 = 1, + ASYNC_EMIF_32 = 2, + } width; +}; + +void init_async_emif(int num_cs, struct async_emif_config *config); + +struct ddr3_phy_config { + unsigned int pllcr; + unsigned int pgcr1_mask; + unsigned int pgcr1_val; + unsigned int ptr0; + unsigned int ptr1; + unsigned int ptr2; + unsigned int ptr3; + unsigned int ptr4; + unsigned int dcr_mask; + unsigned int dcr_val; + unsigned int dtpr0; + unsigned int dtpr1; + unsigned int dtpr2; + unsigned int mr0; + unsigned int mr1; + unsigned int mr2; + unsigned int dtcr; + unsigned int pgcr2; + unsigned int zq0cr1; + unsigned int zq1cr1; + unsigned int zq2cr1; + unsigned int pir_v1; + unsigned int pir_v2; +}; + +struct ddr3_emif_config { + unsigned int sdcfg; + unsigned int sdtim1; + unsigned int sdtim2; + unsigned int sdtim3; + unsigned int sdtim4; + unsigned int zqcfg; + unsigned int sdrfc; +}; + +#endif + +#define BIT(x) (1 << (x)) + +#define KS2_DDRPHY_PIR_OFFSET 0x04 +#define KS2_DDRPHY_PGCR0_OFFSET 0x08 +#define KS2_DDRPHY_PGCR1_OFFSET 0x0C +#define KS2_DDRPHY_PGSR0_OFFSET 0x10 +#define KS2_DDRPHY_PGSR1_OFFSET 0x14 +#define KS2_DDRPHY_PLLCR_OFFSET 0x18 +#define KS2_DDRPHY_PTR0_OFFSET 0x1C +#define KS2_DDRPHY_PTR1_OFFSET 0x20 +#define KS2_DDRPHY_PTR2_OFFSET 0x24 +#define KS2_DDRPHY_PTR3_OFFSET 0x28 +#define KS2_DDRPHY_PTR4_OFFSET 0x2C +#define KS2_DDRPHY_DCR_OFFSET 0x44 + +#define KS2_DDRPHY_DTPR0_OFFSET 0x48 +#define KS2_DDRPHY_DTPR1_OFFSET 0x4C +#define KS2_DDRPHY_DTPR2_OFFSET 0x50 + +#define KS2_DDRPHY_MR0_OFFSET 0x54 +#define KS2_DDRPHY_MR1_OFFSET 0x58 +#define KS2_DDRPHY_MR2_OFFSET 0x5C +#define KS2_DDRPHY_DTCR_OFFSET 0x68 +#define KS2_DDRPHY_PGCR2_OFFSET 0x8C + +#define KS2_DDRPHY_ZQ0CR1_OFFSET 0x184 +#define KS2_DDRPHY_ZQ1CR1_OFFSET 0x194 +#define KS2_DDRPHY_ZQ2CR1_OFFSET 0x1A4 +#define KS2_DDRPHY_ZQ3CR1_OFFSET 0x1B4 + +#define KS2_DDRPHY_DATX8_8_OFFSET 0x3C0 + +#define IODDRM_MASK 0x00000180 +#define ZCKSEL_MASK 0x01800000 +#define CL_MASK 0x00000072 +#define WR_MASK 0x00000E00 +#define BL_MASK 0x00000003 +#define RRMODE_MASK 0x00040000 +#define UDIMM_MASK 0x20000000 +#define BYTEMASK_MASK 0x0003FC00 +#define MPRDQ_MASK 0x00000080 +#define PDQ_MASK 0x00000070 +#define NOSRA_MASK 0x08000000 +#define ECC_MASK 0x00000001 + +#define KS2_DDR3_MIDR_OFFSET 0x00 +#define KS2_DDR3_STATUS_OFFSET 0x04 +#define KS2_DDR3_SDCFG_OFFSET 0x08 +#define KS2_DDR3_SDRFC_OFFSET 0x10 +#define KS2_DDR3_SDTIM1_OFFSET 0x18 +#define KS2_DDR3_SDTIM2_OFFSET 0x1C +#define KS2_DDR3_SDTIM3_OFFSET 0x20 +#define KS2_DDR3_SDTIM4_OFFSET 0x28 +#define KS2_DDR3_PMCTL_OFFSET 0x38 +#define KS2_DDR3_ZQCFG_OFFSET 0xC8 + +#ifdef CONFIG_SOC_K2HK +#include +#endif + +#ifndef __ASSEMBLY__ +static inline int cpu_is_k2hk(void) +{ + unsigned int jtag_id = __raw_readl(JTAG_ID_REG); + unsigned int part_no = (jtag_id >> 12) & 0xffff; + + return ((part_no == 0xb981) ? 1 : 0); +} + +static inline int cpu_revision(void) +{ + unsigned int jtag_id = __raw_readl(JTAG_ID_REG); + unsigned int rev = (jtag_id >> 28) & 0xf; + + return rev; +} + +void share_all_segments(int priv_id); +int cpu_to_bus(u32 *ptr, u32 length); +void init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg); +void init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg); +void init_ddr3(void); + +#endif + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/include/asm/arch-keystone/i2c_defs.h b/arch/arm/include/asm/arch-keystone/i2c_defs.h new file mode 100644 index 0000000..bf28626 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/i2c_defs.h @@ -0,0 +1,86 @@ +/* + * keystone: i2c driver definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * (C) Copyright 2007 Sergey Kubushyn + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _KEYSTONE_I2C_H_ +#define _KEYSTONE_I2C_H_ + +#define I2C_WRITE 0 +#define I2C_READ 1 + +#define I2C0_BASE 0x02530000 +#define I2C1_BASE 0x02530400 +#define I2C2_BASE 0x02530800 +#define I2C_BASE I2C0_BASE + +struct i2c_regs { + u32 i2c_oa; + u32 i2c_ie; + u32 i2c_stat; + u32 i2c_scll; + u32 i2c_sclh; + u32 i2c_cnt; + u32 i2c_drr; + u32 i2c_sa; + u32 i2c_dxr; + u32 i2c_con; + u32 i2c_iv; + u32 res_2c; + u32 i2c_psc; +}; + +/* I2C masks */ + +/* I2C Interrupt Enable Register (I2C_IE): */ +#define I2C_IE_SCD_IE (1 << 5) /* Stop condition */ +#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready */ +#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready */ +#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready */ +#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment */ +#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost */ + +/* I2C Status Register (I2C_STAT): */ + +#define I2C_STAT_BB (1 << 12) /* Bus busy */ +#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ +#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ +#define I2C_STAT_AAS (1 << 9) /* Address as slave */ +#define I2C_STAT_SCD (1 << 5) /* Stop condition detect */ +#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ +#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ +#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ +#define I2C_STAT_NACK (1 << 1) /* No acknowledgment */ +#define I2C_STAT_AL (1 << 0) /* Arbitration lost */ + +/* I2C Interrupt Code Register (I2C_INTCODE): */ + +#define I2C_INTCODE_MASK 7 +#define I2C_INTCODE_NONE 0 +#define I2C_INTCODE_AL 1 /* Arbitration lost */ +#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ +#define I2C_INTCODE_ARDY 3 /* Register access ready */ +#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ +#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ +#define I2C_INTCODE_SCD 6 /* Stop condition detect */ + + +/* I2C Configuration Register (I2C_CON): */ + +#define I2C_CON_EN (1 << 5) /* I2C module enable */ +#define I2C_CON_STB (1 << 4) /* Start byte mode (master mode only) */ +#define I2C_CON_MST (1 << 10) /* Master/slave mode */ +#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode + (master mode only) */ +#define I2C_CON_XA (1 << 8) /* Expand address */ +#define I2C_CON_STP (1 << 11) /* Stop condition (master mode only) */ +#define I2C_CON_STT (1 << 13) /* Start condition (master mode only) */ +#define I2C_CON_FREE (1 << 14) /* Free run on emulation */ + +#define I2C_TIMEOUT 0xffff0000 /* Timeout mask for poll_i2c_irq() */ + +#endif diff --git a/arch/arm/include/asm/arch-keystone/nand_defs.h b/arch/arm/include/asm/arch-keystone/nand_defs.h new file mode 100644 index 0000000..6d6f846 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/nand_defs.h @@ -0,0 +1,25 @@ +/* + * nand driver definitions to re-use davinci nand driver on Keystone2 + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * (C) Copyright 2007 Sergey Kubushyn + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _NAND_DEFS_H_ +#define _NAND_DEFS_H_ + +#include +#include + +#define MASK_CLE 0x4000 +#define MASK_ALE 0x2000 + +#define NAND_READ_START 0x00 +#define NAND_READ_END 0x30 +#define NAND_STATUS 0x70 + +extern void davinci_nand_init(struct nand_chip *nand); + +#endif diff --git a/arch/arm/include/asm/arch-keystone/psc_defs.h b/arch/arm/include/asm/arch-keystone/psc_defs.h new file mode 100644 index 0000000..edba256 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/psc_defs.h @@ -0,0 +1,91 @@ +/* + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _PSC_DEFS_H_ +#define _PSC_DEFS_H_ + +#include + +/****************************************************************************** + * FILE PURPOSE: Local Power Sleep Controller definitions + ****************************************************************************** + * FILE NAME: psc_defs.h + * + * DESCRIPTION: Provides local definitions for the power saver controller + * + *****************************************************************************/ + +/* Register offsets */ +#define PSC_REG_PTCMD 0x120 +#define PSC_REG_PSTAT 0x128 +#define PSC_REG_PDSTAT(x) (0x200 + (4*(x))) +#define PSC_REG_PDCTL(x) (0x300 + (4*(x))) +#define PSC_REG_MDCFG(x) (0x600 + (4*(x))) +#define PSC_REG_MDSTAT(x) (0x800 + (4*(x))) +#define PSC_REG_MDCTL(x) (0xa00 + (4*(x))) + +#define BOOTBITMASK(x, y) ((((((u32)1 << (((u32)x)-((u32)y)+(u32)1)) - \ + (u32)1)) << ((u32)y))) + +#define BOOT_READ_BITFIELD(z, x, y) (((u32)z) & BOOTBITMASK(x, y)) >> (y) +#define BOOT_SET_BITFIELD(z, f, x, y) (((u32)z) & ~BOOTBITMASK(x, y)) | \ + ((((u32)f) << (y)) & BOOTBITMASK(x, y)) + +/* Macros to access register fields */ +/* PDCTL */ +#define PSC_REG_PDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 0, 0) +#define PSC_REG_PDCTL_SET_PDMODE(x, y) BOOT_SET_BITFIELD((x), (y), 15, 12) + +/* PDSTAT */ +#define PSC_REG_PDSTAT_GET_STATE(x) BOOT_READ_BITFIELD((x), 4, 0) + +/* MDCFG */ +#define PSC_REG_MDCFG_GET_PD(x) BOOT_READ_BITFIELD((x), 20, 16) +#define PSC_REG_MDCFG_GET_RESET_ISO(x) BOOT_READ_BITFIELD((x), 14, 14) + +/* MDCTL */ +#define PSC_REG_MDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 4, 0) +#define PSC_REG_MDCTL_SET_LRSTZ(x, y) BOOT_SET_BITFIELD((x), (y), 8, 8) +#define PSC_REG_MDCTL_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) +#define PSC_REG_MDCTL_SET_RESET_ISO(x, y) BOOT_SET_BITFIELD((x), (y), \ + 12, 12) + +/* MDSTAT */ +#define PSC_REG_MDSTAT_GET_STATUS(x) BOOT_READ_BITFIELD((x), 5, 0) +#define PSC_REG_MDSTAT_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) +#define PSC_REG_MDSTAT_GET_LRSTDONE(x) BOOT_READ_BITFIELD((x), 9, 9) + +/* PDCTL states */ +#define PSC_REG_VAL_PDCTL_NEXT_ON 1 +#define PSC_REG_VAL_PDCTL_NEXT_OFF 0 + +#define PSC_REG_VAL_PDCTL_PDMODE_SLEEP 0 + +/* MDCTL states */ +#define PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE 0 +#define PSC_REG_VAL_MDCTL_NEXT_OFF 2 +#define PSC_REG_VAL_MDCTL_NEXT_ON 3 + + +/* MDSTAT states */ +#define PSC_REG_VAL_MDSTAT_STATE_ON 3 +#define PSC_REG_VAL_MDSTAT_STATE_ENABLE_IN_PROG 0x24 +#define PSC_REG_VAL_MDSTAT_STATE_OFF 2 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG1 0x20 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG2 0x21 +#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG3 0x22 + + +/* Timeout limit on checking PTSTAT. This is the number of times the + * wait function will be called before giving up. */ +#define PSC_PTSTAT_TIMEOUT_LIMIT 100 + +u32 psc_get_domain_num(u32 mod_num); +int psc_enable_module(u32 mod_num); +int psc_disable_module(u32 mod_num); +int psc_disable_domain(u32 domain_num); + +#endif /* _PSC_DEFS_H_ */ diff --git a/arch/arm/include/asm/arch-keystone/spl.h b/arch/arm/include/asm/arch-keystone/spl.h new file mode 100644 index 0000000..eb0b3ed --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/spl.h @@ -0,0 +1,12 @@ +/* + * (C) Copyright 2012-2014 + * Texas Instruments, + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _ASM_ARCH_SPL_H_ +#define _ASM_SPL_H_ + +#define BOOT_DEVICE_SPI 2 + +#endif diff --git a/board/ti/k2hk_evm/Makefile b/board/ti/k2hk_evm/Makefile new file mode 100644 index 0000000..3645f2f --- /dev/null +++ b/board/ti/k2hk_evm/Makefile @@ -0,0 +1,9 @@ +# +# K2HK-EVM: board Makefile +# (C) Copyright 2012-2014 +# Texas Instruments Incorporated, +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += board.o +obj-y += ddr3.o diff --git a/board/ti/k2hk_evm/README b/board/ti/k2hk_evm/README new file mode 100644 index 0000000..6ab660b --- /dev/null +++ b/board/ti/k2hk_evm/README @@ -0,0 +1,56 @@ +U-Boot port for Texas Instruments XTCIEVMK2X +============================================ + +Author: Murali Karicheri + +This README has information on the u-boot port for XTCIEVMK2X EVM board. +Documentation for this board can be found at + http://www.advantech.com/Support/TI-EVM/EVMK2HX_sd.aspx + +The board is based on Texas Instruments Keystone2 family of SoCs : K2H, K2K. +More details on these SoCs are available at company websites + K2K: http://www.ti.com/product/tci6638k2k + K2H: http://www.ti.com/product/tci6638k2h + +Board configuration: +==================== + +Some of the peripherals that are configured by u-boot are:- + +1. 2GB DDR3 (can support 8GB SO DIMM as well) +2. 512M NAND (over ti emif16 bus) +3. 6MB MSM SRAM (part of the SoC) +4. two 1GBit Ethernet ports (SoC supports upto 4) +5. two UART ports +6. three i2c interfaces +7. three spi interfaces (only 1 interface supported in driver) + +There are seperate PLLs to drive clocks to Tetris ARM and Peripherals. +To bring up SMP Linux on this board, there is a boot monitor +code that will be installed in MSMC SRAM. There is command available +to install this image from u-boot. + +The port related files can be found at following folders + keystone2 SoC related files: arch/arm/cpu/armv7/keystone/ + K2HK evm board files: board/ti/k2hk_evm/ + +board configuration file: include/configs/k2hk_evm.h + +Supported boot modes: + - SPI NOR boot + +Supported image formats:- + - u-boot.bin: for loading and running u-boot.bin through Texas instruments + code composure studio (CCS) + - u-boot-spi.gph: gpimage for programming SPI NOR flash for SPI NOR boot + +Build instructions: +=================== + +To build u-boot.bin + >make k2hk_evm_config + >make u-boot-spi.gph + +To build u-boot-spi.gph + >make k2hk_evm_config + >make u-boot-spi.gph diff --git a/board/ti/k2hk_evm/board.c b/board/ti/k2hk_evm/board.c new file mode 100644 index 0000000..0ab3aef --- /dev/null +++ b/board/ti/k2hk_evm/board.c @@ -0,0 +1,246 @@ +/* + * K2HK EVM : Board initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + + +DECLARE_GLOBAL_DATA_PTR; + +u32 device_big_endian; + +unsigned int external_clk[ext_clk_count] = { + [sys_clk] = 122880000, + [alt_core_clk] = 125000000, + [pa_clk] = 122880000, + [tetris_clk] = 125000000, + [ddr3a_clk] = 100000000, + [ddr3b_clk] = 100000000, + [mcm_clk] = 312500000, + [pcie_clk] = 100000000, + [sgmii_srio_clk] = 156250000, + [xgmii_clk] = 156250000, + [usb_clk] = 100000000, + [rp1_clk] = 123456789 /* TODO: cannot find + what is that */ +}; + +static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = { + { /* CS0 */ + .mode = ASYNC_EMIF_MODE_NAND, + .wr_setup = 0xf, + .wr_strobe = 0x3f, + .wr_hold = 7, + .rd_setup = 0xf, + .rd_strobe = 0x3f, + .rd_hold = 7, + .turn_around = 3, + .width = ASYNC_EMIF_8, + }, + +}; + +static struct pll_init_data pll_config[] = { + CORE_PLL_1228, + PASS_PLL_983, + TETRIS_PLL_1200, +}; + +int dram_init(void) +{ + init_ddr3(); + + gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_MAX_RAM_BANK_SIZE); + init_async_emif(ARRAY_SIZE(async_emif_config), async_emif_config); + return 0; +} + +/* Byte swap the 32-bit data if the device is BE */ +int cpu_to_bus(u32 *ptr, u32 length) +{ + u32 i; + + if (device_big_endian) + for (i = 0; i < length; i++, ptr++) + *ptr = __swab32(*ptr); + + return 0; +} + +#if defined(CONFIG_BOARD_EARLY_INIT_F) +int board_early_init_f(void) +{ + init_plls(ARRAY_SIZE(pll_config), pll_config); + return 0; +} +#endif + +int board_init(void) +{ + gd->bd->bi_arch_number = -1; + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + + return 0; +} + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_DCACHE_OFF + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +#endif +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +#define K2_DDR3_START_ADDR 0x80000000 +void ft_board_setup(void *blob, bd_t *bd) +{ + u64 start[2]; + u64 size[2]; + char name[32], *env, *endp; + int lpae, nodeoffset; + u32 ddr3a_size; + int nbanks; + + env = getenv("mem_lpae"); + lpae = env && simple_strtol(env, NULL, 0); + + ddr3a_size = 0; + if (lpae) { + env = getenv("ddr3a_size"); + if (env) + ddr3a_size = simple_strtol(env, NULL, 10); + if ((ddr3a_size != 8) && (ddr3a_size != 4)) + ddr3a_size = 0; + } + + nbanks = 1; + start[0] = bd->bi_dram[0].start; + size[0] = bd->bi_dram[0].size; + + /* adjust memory start address for LPAE */ + if (lpae) { + start[0] -= K2_DDR3_START_ADDR; + start[0] += CONFIG_SYS_LPAE_SDRAM_BASE; + } + + if ((size[0] == 0x80000000) && (ddr3a_size != 0)) { + size[1] = ((u64)ddr3a_size - 2) << 30; + start[1] = 0x880000000; + nbanks++; + } + + /* reserve memory at start of bank */ + sprintf(name, "mem_reserve_head"); + env = getenv(name); + if (env) { + start[0] += ustrtoul(env, &endp, 0); + size[0] -= ustrtoul(env, &endp, 0); + } + + sprintf(name, "mem_reserve"); + env = getenv(name); + if (env) + size[0] -= ustrtoul(env, &endp, 0); + + fdt_fixup_memory_banks(blob, start, size, nbanks); + + /* Fix up the initrd */ + if (lpae) { + u64 initrd_start, initrd_end; + u32 *prop1, *prop2; + int err; + nodeoffset = fdt_path_offset(blob, "/chosen"); + if (nodeoffset >= 0) { + prop1 = (u32 *)fdt_getprop(blob, nodeoffset, + "linux,initrd-start", NULL); + prop2 = (u32 *)fdt_getprop(blob, nodeoffset, + "linux,initrd-end", NULL); + if (prop1 && prop2) { + initrd_start = __be32_to_cpu(*prop1); + initrd_start -= K2_DDR3_START_ADDR; + initrd_start += CONFIG_SYS_LPAE_SDRAM_BASE; + initrd_start = __cpu_to_be64(initrd_start); + initrd_end = __be32_to_cpu(*prop2); + initrd_end -= K2_DDR3_START_ADDR; + initrd_end += CONFIG_SYS_LPAE_SDRAM_BASE; + initrd_end = __cpu_to_be64(initrd_end); + + err = fdt_delprop(blob, nodeoffset, + "linux,initrd-start"); + if (err < 0) + printf("error deleting linux,initrd-start\n"); + + err = fdt_delprop(blob, nodeoffset, + "linux,initrd-end"); + if (err < 0) + printf("error deleting linux,initrd-end\n"); + + err = fdt_setprop(blob, nodeoffset, + "linux,initrd-start", + &initrd_start, + sizeof(initrd_start)); + if (err < 0) + printf("error adding linux,initrd-start\n"); + + err = fdt_setprop(blob, nodeoffset, + "linux,initrd-end", + &initrd_end, + sizeof(initrd_end)); + if (err < 0) + printf("error adding linux,initrd-end\n"); + } + } + } +} + +void ft_board_setup_ex(void *blob, bd_t *bd) +{ + int lpae; + char *env; + u64 *reserve_start, size; + + env = getenv("mem_lpae"); + lpae = env && simple_strtol(env, NULL, 0); + + if (lpae) { + /* + * the initrd and other reserved memory areas are + * embedded in in the DTB itslef. fix up these addresses + * to 36 bit format + */ + reserve_start = (u64 *)((char *)blob + + fdt_off_mem_rsvmap(blob)); + while (1) { + *reserve_start = __cpu_to_be64(*reserve_start); + size = __cpu_to_be64(*(reserve_start + 1)); + if (size) { + *reserve_start -= K2_DDR3_START_ADDR; + *reserve_start += + CONFIG_SYS_LPAE_SDRAM_BASE; + *reserve_start = + __cpu_to_be64(*reserve_start); + } else { + break; + } + reserve_start += 2; + } + } +} +#endif diff --git a/board/ti/k2hk_evm/ddr3.c b/board/ti/k2hk_evm/ddr3.c new file mode 100644 index 0000000..973c35d --- /dev/null +++ b/board/ti/k2hk_evm/ddr3.c @@ -0,0 +1,269 @@ +/* + * Keystone2: DDR3 initialization + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +/************************* *****************************/ +static struct ddr3_phy_config ddr3phy_1600_64A = { + .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 = 0x0D861A80ul, + .ptr4 = 0x0C827100ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK), + .dcr_val = ((1 << 10) | (1 << 27)), + .dtpr0 = 0xA19DBB66ul, + .dtpr1 = 0x12868300ul, + .dtpr2 = 0x50035200ul, + .mr0 = 0x00001C70ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000018ul, + .dtcr = 0x730035C7ul, + .pgcr2 = 0x00F07A12ul, + .zq0cr1 = 0x0000005Dul, + .zq1cr1 = 0x0000005Bul, + .zq2cr1 = 0x0000005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; + +static struct ddr3_emif_config ddr3_1600_64 = { + .sdcfg = 0x6200CE6aul, + .sdtim1 = 0x16709C55ul, + .sdtim2 = 0x00001D4Aul, + .sdtim3 = 0x435DFF54ul, + .sdtim4 = 0x553F0CFFul, + .zqcfg = 0xF0073200ul, + .sdrfc = 0x00001869ul, +}; + +static struct ddr3_phy_config ddr3phy_1600_32 = { + .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 = 0x0D861A80ul, + .ptr4 = 0x0C827100ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK), + .dcr_val = ((1 << 10) | (1 << 27)), + .dtpr0 = 0xA19DBB66ul, + .dtpr1 = 0x12868300ul, + .dtpr2 = 0x50035200ul, + .mr0 = 0x00001C70ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000018ul, + .dtcr = 0x730035C7ul, + .pgcr2 = 0x00F07A12ul, + .zq0cr1 = 0x0000005Dul, + .zq1cr1 = 0x0000005Bul, + .zq2cr1 = 0x0000005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; + +static struct ddr3_emif_config ddr3_1600_32 = { + .sdcfg = 0x6200DE6aul, + .sdtim1 = 0x16709C55ul, + .sdtim2 = 0x00001D4Aul, + .sdtim3 = 0x435DFF54ul, + .sdtim4 = 0x553F0CFFul, + .zqcfg = 0x70073200ul, + .sdrfc = 0x00001869ul, +}; + +/************************* *****************************/ +static struct ddr3_phy_config ddr3phy_1333_64A = { + .pllcr = 0x0005C000ul, + .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 = 0x0B4515C2ul, + .ptr4 = 0x0A6E08B4ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | + NOSRA_MASK | UDIMM_MASK), + .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)), + .dtpr0 = 0x8558AA55ul, + .dtpr1 = 0x12857280ul, + .dtpr2 = 0x5002C200ul, + .mr0 = 0x00001A60ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000010ul, + .dtcr = 0x710035C7ul, + .pgcr2 = 0x00F065B8ul, + .zq0cr1 = 0x0000005Dul, + .zq1cr1 = 0x0000005Bul, + .zq2cr1 = 0x0000005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; + +static struct ddr3_emif_config ddr3_1333_64 = { + .sdcfg = 0x62008C62ul, + .sdtim1 = 0x125C8044ul, + .sdtim2 = 0x00001D29ul, + .sdtim3 = 0x32CDFF43ul, + .sdtim4 = 0x543F0ADFul, + .zqcfg = 0xF0073200ul, + .sdrfc = 0x00001457ul, +}; + +static struct ddr3_phy_config ddr3phy_1333_32 = { + .pllcr = 0x0005C000ul, + .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 = 0x0B4515C2ul, + .ptr4 = 0x0A6E08B4ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | + NOSRA_MASK | UDIMM_MASK), + .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)), + .dtpr0 = 0x8558AA55ul, + .dtpr1 = 0x12857280ul, + .dtpr2 = 0x5002C200ul, + .mr0 = 0x00001A60ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000010ul, + .dtcr = 0x710035C7ul, + .pgcr2 = 0x00F065B8ul, + .zq0cr1 = 0x0000005Dul, + .zq1cr1 = 0x0000005Bul, + .zq2cr1 = 0x0000005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; + +static struct ddr3_emif_config ddr3_1333_32 = { + .sdcfg = 0x62009C62ul, + .sdtim1 = 0x125C8044ul, + .sdtim2 = 0x00001D29ul, + .sdtim3 = 0x32CDFF43ul, + .sdtim4 = 0x543F0ADFul, + .zqcfg = 0xf0073200ul, + .sdrfc = 0x00001457ul, +}; + +/************************* *****************************/ +static struct ddr3_phy_config ddr3phy_1333_64 = { + .pllcr = 0x0005C000ul, + .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 = 0x0B4515C2ul, + .ptr4 = 0x0A6E08B4ul, + .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK), + .dcr_val = ((1 << 10) | (1 << 27)), + .dtpr0 = 0x8558AA55ul, + .dtpr1 = 0x12857280ul, + .dtpr2 = 0x5002C200ul, + .mr0 = 0x00001A60ul, + .mr1 = 0x00000006ul, + .mr2 = 0x00000010ul, + .dtcr = 0x710035C7ul, + .pgcr2 = 0x00F065B8ul, + .zq0cr1 = 0x0000005Dul, + .zq1cr1 = 0x0000005Bul, + .zq2cr1 = 0x0000005Bul, + .pir_v1 = 0x00000033ul, + .pir_v2 = 0x0000FF81ul, +}; +/******************************************************/ +int get_dimm_params(char *dimm_name) +{ + u8 spd_params[256]; + int ret; + int old_bus; + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + old_bus = i2c_get_bus_num(); + i2c_set_bus_num(1); + + ret = i2c_read(0x53, 0, 1, spd_params, 256); + + i2c_set_bus_num(old_bus); + + dimm_name[0] = '\0'; + + if (ret) { + puts("Cannot read DIMM params\n"); + return 1; + } + + /* + * We need to convert spd data to dimm parameters + * and to DDR3 EMIF and PHY regirsters values. + * For now we just return DIMM type string value. + * Caller may use this value to choose appropriate + * a pre-set DDR3 configuration + */ + + strncpy(dimm_name, (char *)&spd_params[0x80], 18); + dimm_name[18] = '\0'; + + return 0; +} + +struct pll_init_data ddr3a_333 = DDR3_PLL_333(A); +struct pll_init_data ddr3b_333 = DDR3_PLL_333(B); +struct pll_init_data ddr3a_400 = DDR3_PLL_400(A); +struct pll_init_data ddr3b_400 = DDR3_PLL_400(B); + +void init_ddr3(void) +{ + char dimm_name[32]; + + get_dimm_params(dimm_name); + + printf("Detected SO-DIMM [%s]\n", dimm_name); + + if (!strcmp(dimm_name, "18KSF1G72HZ-1G6E2 ")) { + init_pll(&ddr3a_400); + if (cpu_revision() > 0) { + init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1600_64A); + init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_64); + printf("DRAM: Capacity 8 GiB (includes reported below)\n"); + } else { + init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1600_32); + init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_32); + printf("DRAM: Capacity 4 GiB (includes reported below)\n"); + } + } else if (!strcmp(dimm_name, "SQR-SD3T-2G1333SED")) { + init_pll(&ddr3a_333); + if (cpu_revision() > 0) { + init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1333_64A); + init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1333_64); + } else { + init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1333_32); + init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1333_32); + } + } else { + printf("Unknown SO-DIMM. Cannot configure DDR3\n"); + while (1) + ; + } + + init_pll(&ddr3b_333); + init_ddrphy(K2HK_DDR3B_DDRPHYC, &ddr3phy_1333_64); + init_ddremif(K2HK_DDR3B_EMIF_CTRL_BASE, &ddr3_1333_64); +} + diff --git a/boards.cfg b/boards.cfg index a8336cc..1690315 100644 --- a/boards.cfg +++ b/boards.cfg @@ -362,6 +362,7 @@ Active arm armv7 zynq xilinx zynq zynq_microzed - Active arm armv7 zynq xilinx zynq zynq_zc770_xm010 zynq_zc770:ZC770_XM010 Michal Simek :Jagannadha Sutradharudu Teki Active arm armv7 zynq xilinx zynq zynq_zc770_xm012 zynq_zc770:ZC770_XM012 Michal Simek :Jagannadha Sutradharudu Teki Active arm armv7 zynq xilinx zynq zynq_zc770_xm013 zynq_zc770:ZC770_XM013 Michal Simek :Jagannadha Sutradharudu Teki +Active arm armv7 keystone ti k2hk_evm k2hk_evm - Vitaly Andrianov Active arm armv7:arm720t tegra114 nvidia dalmore dalmore - Tom Warren Active arm armv7:arm720t tegra20 avionic-design medcom-wide medcom-wide - Alban Bedel Active arm armv7:arm720t tegra20 avionic-design plutux plutux - Alban Bedel diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index fa3a875..996a8f2 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o obj-$(CONFIG_DRIVER_DAVINCI_I2C) += davinci_i2c.o +obj-$(CONFIG_DRIVER_KEYSTONE_I2C) += keystone_i2c.o obj-$(CONFIG_DW_I2C) += designware_i2c.o obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o obj-$(CONFIG_I2C_MV) += mv_i2c.o diff --git a/drivers/i2c/keystone_i2c.c b/drivers/i2c/keystone_i2c.c new file mode 100644 index 0000000..e2093c1 --- /dev/null +++ b/drivers/i2c/keystone_i2c.c @@ -0,0 +1,372 @@ +/* + * TI Keystone i2c driver + * Based on TI DaVinci (TMS320DM644x) I2C driver. + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * (C) Copyright 2007 Sergey Kubushyn + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static struct i2c_regs __attribute__((section(".data"))) *i2c_base = + (struct i2c_regs *)I2C_BASE; + +static unsigned int __attribute__((section(".data"))) + bus_initialized[I2C_BUS_MAX] = { [0 ... (I2C_BUS_MAX-1)] = 0 }; +static unsigned int __attribute__((section(".data"))) current_bus; + +#define CHECK_NACK() \ + do {\ + if (tmp & (I2C_TIMEOUT | I2C_STAT_NACK)) {\ + REG(&(i2c_base->i2c_con)) = 0;\ + return 1;\ + } \ + } while (0) + +static int wait_for_bus(void) +{ + int stat, timeout; + + REG(&(i2c_base->i2c_stat)) = 0xffff; + + for (timeout = 0; timeout < 10; timeout++) { + stat = REG(&(i2c_base->i2c_stat)); + if (!((stat) & I2C_STAT_BB)) { + REG(&(i2c_base->i2c_stat)) = 0xffff; + return 0; + } + + REG(&(i2c_base->i2c_stat)) = stat; + udelay(50000); + } + + REG(&(i2c_base->i2c_stat)) = 0xffff; + return 1; +} + + +static int poll_i2c_irq(int mask) +{ + int stat, timeout; + + for (timeout = 0; timeout < 10; timeout++) { + udelay(1000); + stat = REG(&(i2c_base->i2c_stat)); + if (stat & mask) + return stat; + } + + REG(&(i2c_base->i2c_stat)) = 0xffff; + return stat | I2C_TIMEOUT; +} + + +void flush_rx(void) +{ + while (1) { + if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_RRDY)) + break; + + REG(&(i2c_base->i2c_drr)); + REG(&(i2c_base->i2c_stat)) = I2C_STAT_RRDY; + udelay(1000); + } +} + + +void i2c_init(int speed, int slaveadd) +{ + u_int32_t div, psc; + + if (REG(&(i2c_base->i2c_con)) & I2C_CON_EN) { + REG(&(i2c_base->i2c_con)) = 0; + udelay(50000); + } + + psc = 2; + div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10; + REG(&(i2c_base->i2c_psc)) = psc; + REG(&(i2c_base->i2c_scll)) = (div * 50) / 100; + REG(&(i2c_base->i2c_sclh)) = div - REG(&(i2c_base->i2c_scll)); + + REG(&(i2c_base->i2c_oa)) = slaveadd; + REG(&(i2c_base->i2c_cnt)) = 0; + + /* Interrupts must be enabled or I2C module won't work */ + REG(&(i2c_base->i2c_ie)) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE | + I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | I2C_IE_NACK_IE; + + /* Now enable I2C controller (get it out of reset) */ + REG(&(i2c_base->i2c_con)) = I2C_CON_EN; + + udelay(1000); + + if (gd->flags & GD_FLG_RELOC) + bus_initialized[current_bus] = 1; +} + +int i2c_set_bus_speed(unsigned int speed) +{ + i2c_init(speed, CONFIG_SYS_I2C_SLAVE); + return 0; +} + +int i2c_probe(u_int8_t chip) +{ + int rc = 1; + + if (chip == REG(&(i2c_base->i2c_oa))) + return rc; + + REG(&(i2c_base->i2c_con)) = 0; + if (wait_for_bus()) + return 1; + + /* try to read one byte from current (or only) address */ + REG(&(i2c_base->i2c_cnt)) = 1; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | + I2C_CON_STP); + udelay(50000); + + if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_NACK)) { + rc = 0; + flush_rx(); + REG(&(i2c_base->i2c_stat)) = 0xffff; + } else { + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_con)) |= I2C_CON_STP; + udelay(20000); + if (wait_for_bus()) + return 1; + } + + flush_rx(); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + return rc; +} + + +int i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +{ + u_int32_t tmp; + int i; + + if ((alen < 0) || (alen > 2)) { + printf("%s(): bogus address length %x\n", __func__, alen); + return 1; + } + + if (wait_for_bus()) + return 1; + + if (alen != 0) { + /* Start address phase */ + tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX; + REG(&(i2c_base->i2c_cnt)) = alen; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; + + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + + switch (alen) { + case 2: + /* Send address MSByte */ + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + /* No break, fall through */ + case 1: + /* Send address LSByte */ + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = addr & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK | + I2C_STAT_ARDY); + + CHECK_NACK(); + + if (!(tmp & I2C_STAT_ARDY)) { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + } + } + + /* Address phase is over, now read 'len' bytes and stop */ + tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP; + REG(&(i2c_base->i2c_cnt)) = len & 0xffff; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; + + for (i = 0; i < len; i++) { + tmp = poll_i2c_irq(I2C_STAT_RRDY | I2C_STAT_NACK | + I2C_STAT_ROVR); + + CHECK_NACK(); + + if (tmp & I2C_STAT_RRDY) { + buf[i] = REG(&(i2c_base->i2c_drr)); + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + } + + tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK); + + CHECK_NACK(); + + if (!(tmp & I2C_STAT_SCD)) { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + flush_rx(); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + REG(&(i2c_base->i2c_con)) = 0; + + return 0; +} + + +int i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len) +{ + u_int32_t tmp; + int i; + + if ((alen < 0) || (alen > 2)) { + printf("%s(): bogus address length %x\n", __func__, alen); + return 1; + } + if (len < 0) { + printf("%s(): bogus length %x\n", __func__, len); + return 1; + } + + if (wait_for_bus()) + return 1; + + /* Start address phase */ + tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | + I2C_CON_TRX | I2C_CON_STP; + REG(&(i2c_base->i2c_cnt)) = (alen == 0) ? + len & 0xffff : (len & 0xffff) + alen; + REG(&(i2c_base->i2c_sa)) = chip; + REG(&(i2c_base->i2c_con)) = tmp; + + switch (alen) { + case 2: + /* Send address MSByte */ + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + /* No break, fall through */ + case 1: + /* Send address LSByte */ + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + + if (tmp & I2C_STAT_XRDY) { + REG(&(i2c_base->i2c_dxr)) = addr & 0xff; + } else { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + } + + for (i = 0; i < len; i++) { + tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK); + + CHECK_NACK(); + + if (tmp & I2C_STAT_XRDY) + REG(&(i2c_base->i2c_dxr)) = buf[i]; + else + return 1; + } + + tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK); + + CHECK_NACK(); + + if (!(tmp & I2C_STAT_SCD)) { + REG(&(i2c_base->i2c_con)) = 0; + return 1; + } + + flush_rx(); + REG(&(i2c_base->i2c_stat)) = 0xffff; + REG(&(i2c_base->i2c_cnt)) = 0; + REG(&(i2c_base->i2c_con)) = 0; + + return 0; +} + +int i2c_set_bus_num(unsigned int bus) +{ + if ((bus < 0) || (bus >= I2C_BUS_MAX)) { + printf("Bad bus: %d\n", bus); + return -1; + } + + switch (bus) { +#if I2C_BUS_MAX == 3 + case 2: + i2c_base = (struct i2c_regs *)I2C2_BASE; + break; +#endif +#if I2C_BUS_MAX >= 2 + case 1: + i2c_base = (struct i2c_regs *)I2C1_BASE; + break; +#endif + default: + i2c_base = (struct i2c_regs *)I2C0_BASE; + bus = 0; + } + + current_bus = bus; + + if (!bus_initialized[current_bus]) + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + return 0; +} + +unsigned int i2c_get_bus_num(void) +{ + return (int) current_bus; +} diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index fbc37b2..8a13454 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -30,6 +30,11 @@ #define serial_in(y) readb(y) #endif +#if defined(CONFIG_K2HK_EVM) +#define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE 0 +#define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0)) +#endif + #ifndef CONFIG_SYS_NS16550_IER #define CONFIG_SYS_NS16550_IER 0x00 #endif /* CONFIG_SYS_NS16550_IER */ @@ -77,6 +82,9 @@ 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) + serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC); +#endif } #ifndef CONFIG_NS16550_MIN_FUNCTIONS diff --git a/include/configs/k2hk_evm.h b/include/configs/k2hk_evm.h new file mode 100644 index 0000000..a43318a --- /dev/null +++ b/include/configs/k2hk_evm.h @@ -0,0 +1,221 @@ +/* + * Configuration header file for TI's k2hk-evm + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* Platform type */ +#define CONFIG_SOC_K2HK +#define CONFIG_K2HK_EVM + +/* U-Boot Build Configuration */ +#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is a 2nd stage loader */ +#define CONFIG_SYS_NO_FLASH /* that is, no *NOR* flash */ +#define CONFIG_SYS_CONSOLE_INFO_QUIET +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_SYS_THUMB_BUILD + +/* SoC Configuration */ +#define CONFIG_ARMV7 +#define CONFIG_ARCH_CPU_INIT +#define CONFIG_SYS_ARCH_TIMER +#define CONFIG_SYS_HZ 1000 +#define CONFIG_SYS_TEXT_BASE 0x0c001000 +#define CONFIG_OF_LIBFDT 1 +#define CONFIG_OF_BOARD_SETUP +#define CONFIG_SYS_DCACHE_OFF + +/* Memory Configuration */ +#define CONFIG_NR_DRAM_BANKS 2 +#define CONFIG_SYS_SDRAM_BASE 0x80000000 +#define CONFIG_SYS_LPAE_SDRAM_BASE 0x800000000 +#define CONFIG_MAX_RAM_BANK_SIZE (2 << 30) /* 2GB */ +#define CONFIG_STACKSIZE (512 << 10) /* 512 KiB */ +#define CONFIG_SYS_MALLOC_LEN (1024 << 10) /* 1 MiB */ +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 32 << 20) +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE - \ + GENERATED_GBL_DATA_SIZE) + +/* SPL SPI Loader Configuration */ +#define CONFIG_SPL_TEXT_BASE 0x0c200000 +#define CONFIG_SPL_PAD_TO 65536 +#define CONFIG_SPL_MAX_SIZE (CONFIG_SPL_PAD_TO - 8) +#define CONFIG_SPL_BSS_START_ADDR (CONFIG_SPL_TEXT_BASE + \ + CONFIG_SPL_MAX_SIZE) +#define CONFIG_SPL_BSS_MAX_SIZE (32 * 1024) +#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ + CONFIG_SPL_BSS_MAX_SIZE) +#define CONFIG_SYS_SPL_MALLOC_SIZE (32 * 1024) +#define CONFIG_SPL_STACK_SIZE (8 * 1024) +#define CONFIG_SPL_STACK (CONFIG_SYS_SPL_MALLOC_START + \ + CONFIG_SYS_SPL_MALLOC_SIZE + \ + CONFIG_SPL_STACK_SIZE - 4) +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_BOARD_INIT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SYS_SPI_U_BOOT_OFFS CONFIG_SPL_PAD_TO +#define CONFIG_SPL_FRAMEWORK + +/* UART Configuration */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_MEM32 +#define CONFIG_SYS_NS16550_REG_SIZE -4 +#define CONFIG_SYS_NS16550_COM1 K2HK_UART0_BASE +#define CONFIG_SYS_NS16550_CLK clk_get_rate(K2HK_CLK1_6) +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 + +/* SPI Configuration */ +#define CONFIG_SPI +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_DAVINCI_SPI +#define CONFIG_SYS_SPI_BASE K2HK_SPI_BASE +#define CONFIG_SYS_SPI_CLK clk_get_rate(K2HK_LPSC_EMIF25_SPI) +#define CONFIG_SF_DEFAULT_SPEED 30000000 +#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED + +/* I2C Configuration */ +#define CONFIG_HARD_I2C +#define CONFIG_DRIVER_KEYSTONE_I2C +#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C_SLAVE 0x10 /* SMBus host address */ +#define CONFIG_I2C_MULTI_BUS 1 +#define I2C_BUS_MAX 3 + +/* EEPROM definitions */ +#define CONFIG_SYS_I2C_MULTI_EEPROMS +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 +#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 6 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 20 +#define CONFIG_ENV_EEPROM_IS_ON_I2C + +/* NAND Configuration */ +#define CONFIG_NAND_DAVINCI +#define CONFIG_SYS_NAND_CS 2 +#define CONFIG_SYS_NAND_USE_FLASH_BBT +#define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST +#define CONFIG_SYS_NAND_PAGE_2K + +#define CONFIG_SYS_NAND_LARGEPAGE +#define CONFIG_SYS_NAND_BASE_LIST { 0x30000000, } +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_MAX_CHIPS 1 +#define CONFIG_SYS_NAND_NO_SUBPAGE_WRITE +#define CONFIG_ENV_SIZE (256 << 10) /* 256 KiB */ +#define CONFIG_ENV_IS_IN_NAND +#define CONFIG_ENV_OFFSET 0x100000 +#define CONFIG_MTD_PARTITIONS +#define CONFIG_MTD_DEVICE +#define CONFIG_RBTREE +#define CONFIG_LZO +#define MTDIDS_DEFAULT "nand0=davinci_nand.0" +#define PART_BOOT "1024k(bootloader)ro," +#define PART_PARAMS "512k(params)ro," +#define PART_UBI "-(ubifs)" +#define MTDPARTS_DEFAULT "mtdparts=davinci_nand.0:" \ + PART_BOOT PART_PARAMS PART_UBI + +/* U-Boot command configuration */ +#include +#undef CONFIG_CMD_BDI +#undef CONFIG_CMD_FLASH +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_SETGETDCR +#define CONFIG_CMD_ASKENV +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_I2C +#define CONFIG_CMD_PING +#define CONFIG_CMD_SAVES +#define CONFIG_CMD_MTDPARTS +#define CONFIG_CMD_NAND +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_CMD_SF +#define CONFIG_CMD_EEPROM + +/* U-Boot general configuration */ +#define CONFIG_SYS_PROMPT "K2HK EVM # " +#define CONFIG_SYS_CBSIZE 1024 +#define CONFIG_SYS_PBSIZE 2048 +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_LONGHELP +#define CONFIG_CRC32_VERIFY +#define CONFIG_MX_CYCLIC +#define CONFIG_CMDLINE_EDITING +#define CONFIG_VERSION_VARIABLE +#define CONFIG_TIMESTAMP + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_EXTRA_ENV_SETTINGS \ + "boot=ramfs\0" \ + "tftp_root=/\0" \ + "nfs_root=/export\0" \ + "mem_lpae=1\0" \ + "mem_reserve=512M\0" \ + "addr_fdt=0x87000000\0" \ + "addr_kern=0x88000000\0" \ + "addr_mon=0x0c5f0000\0" \ + "addr_uboot=0x87000000\0" \ + "addr_fs=0x82000000\0" \ + "addr_ubi=0x82000000\0" \ + "fdt_high=0xffffffff\0" \ + "run_mon=mon_install ${addr_mon}\0" \ + "run_kern=bootm ${addr_kern} - ${addr_fdt}\0" \ + "init_ubi=run args_all args_ubi; " \ + "ubi part ubifs; ubifsmount boot\0" \ + "get_fdt_ubi=ubifsload ${addr_fdt} ${name_fdt}\0" \ + "get_kern_ubi=ubifsload ${addr_kern} ${name_kern}\0" \ + "get_mon_ubi=ubifsload ${addr_mon} ${name_mon}\0" \ + "burn_uboot=sf probe; sf erase 0 0x100000; " \ + "sf write ${addr_uboot} 0 ${filesize}\0" \ + "args_all=setenv bootargs console=ttyS0,115200n8 rootwait=1\0" \ + "args_ubi=setenv bootargs ${bootargs} rootfstype=ubifs " \ + "root=ubi0:rootfs rootflags=sync rw ubi.mtd=2,2048\0" \ + "burn_ubi=nand erase.part ubifs; " \ + "nand write ${addr_ubi} ubifs ${filesize}\0" \ + "init_ramfs=run args_all args_ramfs get_fs_ramfs\0" \ + "args_ramfs=setenv bootargs ${bootargs} earlyprintk " \ + "rdinit=/sbin/init rw root=/dev/ram0 " \ + "initrd=0x802000000,9M\0" \ + "mtdparts=mtdparts=davinci_nand.0:" \ + "1024k(bootloader)ro,512k(params)ro,522752k(ubifs)\0" +#define CONFIG_BOOTCOMMAND \ + "run init_${boot} get_fdt_${boot} get_mon_${boot} " \ + "get_kern_${boot} run_mon run_kern" +#define CONFIG_BOOTARGS \ + +/* Linux interfacing */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_SYS_BARGSIZE 1024 +#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x08000000) +#define LINUX_BOOT_PARAM_ADDR (CONFIG_SYS_SDRAM_BASE + 0x100) + +#define CONFIG_SUPPORT_RAW_INITRD + +/* we may include files below only after all above definitions */ +#include +#include +#define CONFIG_SYS_HZ_CLOCK clk_get_rate(K2HK_CLK1_6) + +#endif /* __CONFIG_H */