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-rw-r--r--arch/arm/cpu/armv7/omap5/Makefile48
-rw-r--r--arch/arm/cpu/armv7/omap5/clocks.c432
-rw-r--r--arch/arm/cpu/armv7/omap5/config.mk28
-rw-r--r--arch/arm/cpu/armv7/omap5/emif.c105
-rw-r--r--arch/arm/cpu/armv7/omap5/hwinit.c78
-rw-r--r--arch/arm/cpu/armv7/omap5/sdram_elpida.c178
6 files changed, 869 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap5/Makefile b/arch/arm/cpu/armv7/omap5/Makefile
new file mode 100644
index 0000000..f8ca9ac
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2000-2010
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS += hwinit.o
+COBJS += clocks.o
+COBJS += emif.o
+COBJS += sdram_elpida.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c
new file mode 100644
index 0000000..dd882a2
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/clocks.c
@@ -0,0 +1,432 @@
+/*
+ *
+ * Clock initialization for OMAP5
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ * Sricharan R <r.sricharan@ti.com>
+ *
+ * Based on previous work by:
+ * Santosh Shilimkar <santosh.shilimkar@ti.com>
+ * Rajendra Nayak <rnayak@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/omap_common.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/utils.h>
+#include <asm/omap_gpio.h>
+
+#ifndef CONFIG_SPL_BUILD
+/*
+ * printing to console doesn't work unless
+ * this code is executed from SPL
+ */
+#define printf(fmt, args...)
+#define puts(s)
+#endif
+
+struct omap5_prcm_regs *const prcm = (struct omap5_prcm_regs *)0x4A004100;
+
+const u32 sys_clk_array[8] = {
+ 12000000, /* 12 MHz */
+ 0, /* NA */
+ 16800000, /* 16.8 MHz */
+ 19200000, /* 19.2 MHz */
+ 26000000, /* 26 MHz */
+ 0, /* NA */
+ 38400000, /* 38.4 MHz */
+};
+
+static const struct dpll_params mpu_dpll_params_1_5ghz[NUM_SYS_CLKS] = {
+ {125, 0, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {625, 6, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {625, 7, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {750, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {625, 15, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params mpu_dpll_params_2ghz[NUM_SYS_CLKS] = {
+ {500, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {2024, 16, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {625, 5, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {1000, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {625, 11, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params mpu_dpll_params_1100mhz[NUM_SYS_CLKS] = {
+ {275, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {1375, 20, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {1375, 23, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {550, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {1375, 47, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params mpu_dpll_params_550mhz[NUM_SYS_CLKS] = {
+ {275, 2, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {1375, 20, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {1375, 23, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {550, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {1375, 47, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params
+ core_dpll_params_2128mhz_ddr532[NUM_SYS_CLKS] = {
+ {266, 2, 1, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {570, 8, 1, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
+ {665, 11, 1, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
+ {532, 12, 1, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {665, 23, 1, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */
+};
+
+static const struct dpll_params
+ core_dpll_params_2128mhz_ddr266[NUM_SYS_CLKS] = {
+ {266, 2, 2, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {570, 8, 2, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
+ {665, 11, 2, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
+ {532, 12, 2, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {665, 23, 2, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */
+};
+
+static const struct dpll_params per_dpll_params_768mhz[NUM_SYS_CLKS] = {
+ {32, 0, 4, 3, 6, 4, -1, 2, -1, -1}, /* 12 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {160, 6, 4, 3, 6, 4, -1, 2, -1, -1}, /* 16.8 MHz */
+ {20, 0, 4, 3, 6, 4, -1, 2, -1, -1}, /* 19.2 MHz */
+ {192, 12, 4, 3, 6, 4, -1, 2, -1, -1}, /* 26 MHz */
+ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {10, 0, 4, 3, 6, 4, -1, 2, -1, -1} /* 38.4 MHz */
+};
+
+static const struct dpll_params iva_dpll_params_2330mhz[NUM_SYS_CLKS] = {
+ {931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */
+ {931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */
+ {665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */
+ {727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */
+ {931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */
+ {931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */
+ {412, 16, -1, -1, 4, 7, -1, -1} /* 38.4 MHz */
+};
+
+/* ABE M & N values with sys_clk as source */
+static const struct dpll_params
+ abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = {
+ {49, 5, 1, 1, -1, -1, -1, -1}, /* 12 MHz */
+ {68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */
+ {35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */
+ {29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */
+ {64, 24, 1, 1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+/* ABE M & N values with 32K clock as source */
+static const struct dpll_params abe_dpll_params_32k_196608khz = {
+ 750, 0, 1, 1, -1, -1, -1, -1
+};
+
+static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
+ {80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */
+ {960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */
+ {400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */
+ {50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */
+ {480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */
+ {320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */
+ {25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */
+};
+
+void setup_post_dividers(u32 *const base, const struct dpll_params *params)
+{
+ struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
+
+ /* Setup post-dividers */
+ if (params->m2 >= 0)
+ writel(params->m2, &dpll_regs->cm_div_m2_dpll);
+ if (params->m3 >= 0)
+ writel(params->m3, &dpll_regs->cm_div_m3_dpll);
+ if (params->h11 >= 0)
+ writel(params->h11, &dpll_regs->cm_div_h11_dpll);
+ if (params->h12 >= 0)
+ writel(params->h12, &dpll_regs->cm_div_h12_dpll);
+ if (params->h13 >= 0)
+ writel(params->h13, &dpll_regs->cm_div_h13_dpll);
+ if (params->h14 >= 0)
+ writel(params->h14, &dpll_regs->cm_div_h14_dpll);
+ if (params->h22 >= 0)
+ writel(params->h22, &dpll_regs->cm_div_h22_dpll);
+ if (params->h23 >= 0)
+ writel(params->h23, &dpll_regs->cm_div_h23_dpll);
+}
+
+const struct dpll_params *get_mpu_dpll_params(void)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+ return &mpu_dpll_params_1100mhz[sysclk_ind];
+}
+
+const struct dpll_params *get_core_dpll_params(void)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+
+ /* Configuring the DDR to be at 532mhz */
+ return &core_dpll_params_2128mhz_ddr266[sysclk_ind];
+
+}
+
+const struct dpll_params *get_per_dpll_params(void)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+ return &per_dpll_params_768mhz[sysclk_ind];
+}
+
+const struct dpll_params *get_iva_dpll_params(void)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+ return &iva_dpll_params_2330mhz[sysclk_ind];
+}
+
+const struct dpll_params *get_usb_dpll_params(void)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+ return &usb_dpll_params_1920mhz[sysclk_ind];
+}
+
+const struct dpll_params *get_abe_dpll_params(void)
+{
+#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
+ u32 sysclk_ind = get_sys_clk_index();
+ return &abe_dpll_params_sysclk_196608khz[sysclk_ind];
+#else
+ return &abe_dpll_params_32k_196608khz;
+#endif
+}
+
+/*
+ * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
+ * We set the maximum voltages allowed here because Smart-Reflex is not
+ * enabled in bootloader. Voltage initialization in the kernel will set
+ * these to the nominal values after enabling Smart-Reflex
+ */
+void scale_vcores(void)
+{
+ u32 volt;
+
+ setup_sri2c();
+
+ /* Enable 1.22V from TPS for vdd_mpu */
+ volt = 1220;
+ do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt);
+
+ /* VCORE 1 - for vdd_core */
+ volt = 1000;
+ do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
+
+ /* VCORE 2 - for vdd_MM */
+ volt = 1125;
+ do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
+}
+
+/*
+ * Enable essential clock domains, modules and
+ * do some additional special settings needed
+ */
+void enable_basic_clocks(void)
+{
+ u32 *const clk_domains_essential[] = {
+ &prcm->cm_l4per_clkstctrl,
+ &prcm->cm_l3init_clkstctrl,
+ &prcm->cm_memif_clkstctrl,
+ &prcm->cm_l4cfg_clkstctrl,
+ 0
+ };
+
+ u32 *const clk_modules_hw_auto_essential[] = {
+ &prcm->cm_memif_emif_1_clkctrl,
+ &prcm->cm_memif_emif_2_clkctrl,
+ &prcm->cm_l4cfg_l4_cfg_clkctrl,
+ &prcm->cm_wkup_gpio1_clkctrl,
+ &prcm->cm_l4per_gpio2_clkctrl,
+ &prcm->cm_l4per_gpio3_clkctrl,
+ &prcm->cm_l4per_gpio4_clkctrl,
+ &prcm->cm_l4per_gpio5_clkctrl,
+ &prcm->cm_l4per_gpio6_clkctrl,
+ 0
+ };
+
+ u32 *const clk_modules_explicit_en_essential[] = {
+ &prcm->cm_wkup_gptimer1_clkctrl,
+ &prcm->cm_l3init_hsmmc1_clkctrl,
+ &prcm->cm_l3init_hsmmc2_clkctrl,
+ &prcm->cm_l4per_gptimer2_clkctrl,
+ &prcm->cm_wkup_wdtimer2_clkctrl,
+ &prcm->cm_l4per_uart3_clkctrl,
+ &prcm->cm_l4per_i2c1_clkctrl,
+ 0
+ };
+
+ /* Enable optional additional functional clock for GPIO4 */
+ setbits_le32(&prcm->cm_l4per_gpio4_clkctrl,
+ GPIO4_CLKCTRL_OPTFCLKEN_MASK);
+
+ /* Enable 96 MHz clock for MMC1 & MMC2 */
+ setbits_le32(&prcm->cm_l3init_hsmmc1_clkctrl,
+ HSMMC_CLKCTRL_CLKSEL_MASK);
+ setbits_le32(&prcm->cm_l3init_hsmmc2_clkctrl,
+ HSMMC_CLKCTRL_CLKSEL_MASK);
+
+ /* Select 32KHz clock as the source of GPTIMER1 */
+ setbits_le32(&prcm->cm_wkup_gptimer1_clkctrl,
+ GPTIMER1_CLKCTRL_CLKSEL_MASK);
+
+ do_enable_clocks(clk_domains_essential,
+ clk_modules_hw_auto_essential,
+ clk_modules_explicit_en_essential,
+ 1);
+}
+
+void enable_basic_uboot_clocks(void)
+{
+ u32 *const clk_domains_essential[] = {
+ 0
+ };
+
+ u32 *const clk_modules_hw_auto_essential[] = {
+ 0
+ };
+
+ u32 *const clk_modules_explicit_en_essential[] = {
+ &prcm->cm_l4per_mcspi1_clkctrl,
+ &prcm->cm_l4per_i2c2_clkctrl,
+ &prcm->cm_l4per_i2c3_clkctrl,
+ &prcm->cm_l4per_i2c4_clkctrl,
+ 0
+ };
+
+ do_enable_clocks(clk_domains_essential,
+ clk_modules_hw_auto_essential,
+ clk_modules_explicit_en_essential,
+ 1);
+}
+
+/*
+ * Enable non-essential clock domains, modules and
+ * do some additional special settings needed
+ */
+void enable_non_essential_clocks(void)
+{
+ u32 *const clk_domains_non_essential[] = {
+ &prcm->cm_mpu_m3_clkstctrl,
+ &prcm->cm_ivahd_clkstctrl,
+ &prcm->cm_dsp_clkstctrl,
+ &prcm->cm_dss_clkstctrl,
+ &prcm->cm_sgx_clkstctrl,
+ &prcm->cm1_abe_clkstctrl,
+ &prcm->cm_c2c_clkstctrl,
+ &prcm->cm_cam_clkstctrl,
+ &prcm->cm_dss_clkstctrl,
+ &prcm->cm_sdma_clkstctrl,
+ 0
+ };
+
+ u32 *const clk_modules_hw_auto_non_essential[] = {
+ &prcm->cm_mpu_m3_mpu_m3_clkctrl,
+ &prcm->cm_ivahd_ivahd_clkctrl,
+ &prcm->cm_ivahd_sl2_clkctrl,
+ &prcm->cm_dsp_dsp_clkctrl,
+ &prcm->cm_l3_2_gpmc_clkctrl,
+ &prcm->cm_l3instr_l3_3_clkctrl,
+ &prcm->cm_l3instr_l3_instr_clkctrl,
+ &prcm->cm_l3instr_intrconn_wp1_clkctrl,
+ &prcm->cm_l3init_hsi_clkctrl,
+ &prcm->cm_l3init_hsusbtll_clkctrl,
+ 0
+ };
+
+ u32 *const clk_modules_explicit_en_non_essential[] = {
+ &prcm->cm1_abe_aess_clkctrl,
+ &prcm->cm1_abe_pdm_clkctrl,
+ &prcm->cm1_abe_dmic_clkctrl,
+ &prcm->cm1_abe_mcasp_clkctrl,
+ &prcm->cm1_abe_mcbsp1_clkctrl,
+ &prcm->cm1_abe_mcbsp2_clkctrl,
+ &prcm->cm1_abe_mcbsp3_clkctrl,
+ &prcm->cm1_abe_slimbus_clkctrl,
+ &prcm->cm1_abe_timer5_clkctrl,
+ &prcm->cm1_abe_timer6_clkctrl,
+ &prcm->cm1_abe_timer7_clkctrl,
+ &prcm->cm1_abe_timer8_clkctrl,
+ &prcm->cm1_abe_wdt3_clkctrl,
+ &prcm->cm_l4per_gptimer9_clkctrl,
+ &prcm->cm_l4per_gptimer10_clkctrl,
+ &prcm->cm_l4per_gptimer11_clkctrl,
+ &prcm->cm_l4per_gptimer3_clkctrl,
+ &prcm->cm_l4per_gptimer4_clkctrl,
+ &prcm->cm_l4per_hdq1w_clkctrl,
+ &prcm->cm_l4per_mcspi2_clkctrl,
+ &prcm->cm_l4per_mcspi3_clkctrl,
+ &prcm->cm_l4per_mcspi4_clkctrl,
+ &prcm->cm_l4per_mmcsd3_clkctrl,
+ &prcm->cm_l4per_mmcsd4_clkctrl,
+ &prcm->cm_l4per_mmcsd5_clkctrl,
+ &prcm->cm_l4per_uart1_clkctrl,
+ &prcm->cm_l4per_uart2_clkctrl,
+ &prcm->cm_l4per_uart4_clkctrl,
+ &prcm->cm_wkup_keyboard_clkctrl,
+ &prcm->cm_wkup_wdtimer2_clkctrl,
+ &prcm->cm_cam_iss_clkctrl,
+ &prcm->cm_cam_fdif_clkctrl,
+ &prcm->cm_dss_dss_clkctrl,
+ &prcm->cm_sgx_sgx_clkctrl,
+ &prcm->cm_l3init_hsusbhost_clkctrl,
+ &prcm->cm_l3init_fsusb_clkctrl,
+ 0
+ };
+
+ /* Enable optional functional clock for ISS */
+ setbits_le32(&prcm->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
+
+ /* Enable all optional functional clocks of DSS */
+ setbits_le32(&prcm->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
+
+ do_enable_clocks(clk_domains_non_essential,
+ clk_modules_hw_auto_non_essential,
+ clk_modules_explicit_en_non_essential,
+ 0);
+
+ /* Put camera module in no sleep mode */
+ clrsetbits_le32(&prcm->cm_cam_clkstctrl, MODULE_CLKCTRL_MODULEMODE_MASK,
+ CD_CLKCTRL_CLKTRCTRL_NO_SLEEP <<
+ MODULE_CLKCTRL_MODULEMODE_SHIFT);
+}
diff --git a/arch/arm/cpu/armv7/omap5/config.mk b/arch/arm/cpu/armv7/omap5/config.mk
new file mode 100644
index 0000000..639f699
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/config.mk
@@ -0,0 +1,28 @@
+#
+# Copyright 2011 Linaro Limited
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# Aneesh V <annesh@ti.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+ifdef CONFIG_SPL_BUILD
+ALL-y += $(OBJTREE)/MLO
+else
+ALL-y += $(obj)u-boot.img
+endif
diff --git a/arch/arm/cpu/armv7/omap5/emif.c b/arch/arm/cpu/armv7/omap5/emif.c
new file mode 100644
index 0000000..8019ffe
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/emif.c
@@ -0,0 +1,105 @@
+/*
+ * EMIF programming
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com> for OMAP4
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/emif.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/utils.h>
+
+#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
+#define print_timing_reg(reg) debug(#reg" - 0x%08x\n", (reg))
+static u32 *const T_num = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_NUM;
+static u32 *const T_den = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_T_DEN;
+static u32 *const emif_sizes = (u32 *)OMAP5_SRAM_SCRATCH_EMIF_SIZE;
+#endif
+
+#ifdef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
+/* Base AC Timing values specified by JESD209-2 for 532MHz operation */
+static const struct lpddr2_ac_timings timings_jedec_532_mhz = {
+ .max_freq = 532000000,
+ .RL = 8,
+ .tRPab = 21,
+ .tRCD = 18,
+ .tWR = 15,
+ .tRASmin = 42,
+ .tRRD = 10,
+ .tWTRx2 = 15,
+ .tXSR = 140,
+ .tXPx2 = 15,
+ .tRFCab = 130,
+ .tRTPx2 = 15,
+ .tCKE = 3,
+ .tCKESR = 15,
+ .tZQCS = 90,
+ .tZQCL = 360,
+ .tZQINIT = 1000,
+ .tDQSCKMAXx2 = 11,
+ .tRASmax = 70,
+ .tFAW = 50
+};
+
+/*
+ * Min tCK values specified by JESD209-2
+ * Min tCK specifies the minimum duration of some AC timing parameters in terms
+ * of the number of cycles. If the calculated number of cycles based on the
+ * absolute time value is less than the min tCK value, min tCK value should
+ * be used instead. This typically happens at low frequencies.
+ */
+static const struct lpddr2_min_tck min_tck_jedec = {
+ .tRL = 3,
+ .tRP_AB = 3,
+ .tRCD = 3,
+ .tWR = 3,
+ .tRAS_MIN = 3,
+ .tRRD = 2,
+ .tWTR = 2,
+ .tXP = 2,
+ .tRTP = 2,
+ .tCKE = 3,
+ .tCKESR = 3,
+ .tFAW = 8
+};
+
+static const struct lpddr2_ac_timings const*
+ jedec_ac_timings[MAX_NUM_SPEEDBINS] = {
+ &timings_jedec_532_mhz
+};
+
+static const struct lpddr2_device_timings jedec_default_timings = {
+ .ac_timings = jedec_ac_timings,
+ .min_tck = &min_tck_jedec
+};
+
+void emif_get_device_timings(u32 emif_nr,
+ const struct lpddr2_device_timings **cs0_device_timings,
+ const struct lpddr2_device_timings **cs1_device_timings)
+{
+ /* Assume Identical devices on EMIF1 & EMIF2 */
+ *cs0_device_timings = &jedec_default_timings;
+ *cs1_device_timings = NULL;
+}
+#endif /* CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS */
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
new file mode 100644
index 0000000..fa8e390
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -0,0 +1,78 @@
+/*
+ *
+ * Functions for omap5 based boards.
+ *
+ * (C) Copyright 2011
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ * Sricharan <r.sricharan@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/armv7.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/sizes.h>
+#include <asm/utils.h>
+#include <asm/arch/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 *const omap5_revision = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV;
+
+static struct gpio_bank gpio_bank_54xx[6] = {
+ { (void *)OMAP54XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx;
+
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Some tuning of IOs for optimal power and performance
+ */
+void do_io_settings(void)
+{
+}
+#endif
+
+void init_omap_revision(void)
+{
+ /*
+ * For some of the ES2/ES1 boards ID_CODE is not reliable:
+ * Also, ES1 and ES2 have different ARM revisions
+ * So use ARM revision for identification
+ */
+ unsigned int rev = cortex_rev();
+
+ switch (rev) {
+ case MIDR_CORTEX_A15_R0P0:
+ *omap5_revision = OMAP5430_ES1_0;
+ default:
+ *omap5_revision = OMAP5430_SILICON_ID_INVALID;
+ }
+}
diff --git a/arch/arm/cpu/armv7/omap5/sdram_elpida.c b/arch/arm/cpu/armv7/omap5/sdram_elpida.c
new file mode 100644
index 0000000..ad198e6
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap5/sdram_elpida.c
@@ -0,0 +1,178 @@
+/*
+ * Timing and Organization details of the Elpida parts used in OMAP5
+ * EVM
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ * Sricharan R <r.sricharan@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/emif.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * This file provides details of the LPDDR2 SDRAM parts used on OMAP5
+ * EVM. Since the parts used and geometry are identical for
+ * evm for a given OMAP5 revision, this information is kept
+ * here instead of being in board directory. However the key functions
+ * exported are weakly linked so that they can be over-ridden in the board
+ * directory if there is a OMAP5 board in the future that uses a different
+ * memory device or geometry.
+ *
+ * For any new board with different memory devices over-ride one or more
+ * of the following functions as per the CONFIG flags you intend to enable:
+ * - emif_get_reg_dump()
+ * - emif_get_dmm_regs()
+ * - emif_get_device_details()
+ * - emif_get_device_timings()
+ */
+
+#ifdef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
+
+const struct emif_regs emif_regs_elpida_532_mhz_1cs = {
+ .sdram_config_init = 0x80801aB2,
+ .sdram_config = 0x808022B2,
+ .ref_ctrl = 0x0000081A,
+ .sdram_tim1 = 0x772F6873,
+ .sdram_tim2 = 0x304A129A,
+ .sdram_tim3 = 0x02F7E45F,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x000B3215,
+ .temp_alert_config = 0x08000A05,
+ .emif_ddr_phy_ctlr_1_init = 0x0E38200D,
+ .emif_ddr_phy_ctlr_1 = 0x0E38200D
+};
+
+const struct dmm_lisa_map_regs lisa_map_4G_x_1_x_2 = {
+ .dmm_lisa_map_0 = 0xFF020100,
+ .dmm_lisa_map_1 = 0,
+ .dmm_lisa_map_2 = 0,
+ .dmm_lisa_map_3 = 0x80640300
+};
+
+static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs)
+{
+ *regs = &emif_regs_elpida_532_mhz_1cs;
+}
+void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
+ __attribute__((weak, alias("emif_get_reg_dump_sdp")));
+
+static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs
+ **dmm_lisa_regs)
+{
+ *dmm_lisa_regs = &lisa_map_4G_x_1_x_2;
+}
+
+void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
+ __attribute__((weak, alias("emif_get_dmm_regs_sdp")));
+
+#else
+
+static const struct lpddr2_device_details elpida_4G_S4_details = {
+ .type = LPDDR2_TYPE_S4,
+ .density = LPDDR2_DENSITY_4Gb,
+ .io_width = LPDDR2_IO_WIDTH_32,
+ .manufacturer = LPDDR2_MANUFACTURER_ELPIDA
+};
+
+static void emif_get_device_details_sdp(u32 emif_nr,
+ struct lpddr2_device_details *cs0_device_details,
+ struct lpddr2_device_details *cs1_device_details)
+{
+ /* EMIF1 & EMIF2 have identical configuration */
+ *cs0_device_details = elpida_4G_S4_details;
+
+ /* Nothing is conected on cs1 */
+ cs1_device_details = NULL;
+}
+
+void emif_get_device_details(u32 emif_nr,
+ struct lpddr2_device_details *cs0_device_details,
+ struct lpddr2_device_details *cs1_device_details)
+ __attribute__((weak, alias("emif_get_device_details_sdp")));
+
+#endif /* CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS */
+
+#ifndef CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
+static const struct lpddr2_ac_timings timings_jedec_532_mhz = {
+ .max_freq = 532000000,
+ .RL = 8,
+ .tRPab = 21,
+ .tRCD = 18,
+ .tWR = 15,
+ .tRASmin = 42,
+ .tRRD = 10,
+ .tWTRx2 = 15,
+ .tXSR = 140,
+ .tXPx2 = 15,
+ .tRFCab = 130,
+ .tRTPx2 = 15,
+ .tCKE = 3,
+ .tCKESR = 15,
+ .tZQCS = 90,
+ .tZQCL = 360,
+ .tZQINIT = 1000,
+ .tDQSCKMAXx2 = 11,
+ .tRASmax = 70,
+ .tFAW = 50
+};
+
+static const struct lpddr2_min_tck min_tck_elpida = {
+ .tRL = 3,
+ .tRP_AB = 3,
+ .tRCD = 3,
+ .tWR = 3,
+ .tRAS_MIN = 3,
+ .tRRD = 2,
+ .tWTR = 2,
+ .tXP = 2,
+ .tRTP = 2,
+ .tCKE = 3,
+ .tCKESR = 3,
+ .tFAW = 8
+};
+
+static const struct lpddr2_ac_timings *elpida_ac_timings[MAX_NUM_SPEEDBINS] = {
+ &timings_jedec_532_mhz
+};
+
+static const struct lpddr2_device_timings elpida_4G_S4_timings = {
+ .ac_timings = elpida_ac_timings,
+ .min_tck = &min_tck_elpida,
+};
+
+void emif_get_device_timings_sdp(u32 emif_nr,
+ const struct lpddr2_device_timings **cs0_device_timings,
+ const struct lpddr2_device_timings **cs1_device_timings)
+{
+ /* Identical devices on EMIF1 & EMIF2 */
+ *cs0_device_timings = &elpida_4G_S4_timings;
+ *cs1_device_timings = NULL;
+}
+
+void emif_get_device_timings(u32 emif_nr,
+ const struct lpddr2_device_timings **cs0_device_timings,
+ const struct lpddr2_device_timings **cs1_device_timings)
+ __attribute__((weak, alias("emif_get_device_timings_sdp")));
+
+#endif /* CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS */
generated by cgit v1.1 at 2024-12-14 16:00:56 +0000