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-rw-r--r--arch/arm/cpu/arm926ejs/spear/Makefile25
-rw-r--r--arch/arm/cpu/arm926ejs/spear/cpu.c87
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spear600.c236
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spl.c282
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spl_boot.c197
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spr600_mt47h128m8_3_266_cl5_async.c130
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_333_cl5_psync.c135
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_37e_166_cl4_sync.c130
-rw-r--r--arch/arm/cpu/arm926ejs/spear/spr600_mt47h64m16_3_333_cl5_psync.c144
-rw-r--r--arch/arm/cpu/arm926ejs/spear/start.S122
-rw-r--r--arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds87
11 files changed, 1568 insertions, 7 deletions
diff --git a/arch/arm/cpu/arm926ejs/spear/Makefile b/arch/arm/cpu/arm926ejs/spear/Makefile
index f32ec4c..d06f03d 100644
--- a/arch/arm/cpu/arm926ejs/spear/Makefile
+++ b/arch/arm/cpu/arm926ejs/spear/Makefile
@@ -25,16 +25,27 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
-COBJS := reset.o \
+COBJS-y := cpu.o \
+ reset.o \
timer.o
-SOBJS :=
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
+ifdef CONFIG_SPL_BUILD
+COBJS-y += spl.o spl_boot.o
+COBJS-$(CONFIG_SPEAR600) += spear600.o
+COBJS-$(CONFIG_DDR_MT47H64M16) += spr600_mt47h64m16_3_333_cl5_psync.o
+COBJS-$(CONFIG_DDR_MT47H32M16) += spr600_mt47h32m16_333_cl5_psync.o
+COBJS-$(CONFIG_DDR_MT47H32M16) += spr600_mt47h32m16_37e_166_cl4_sync.o
+COBJS-$(CONFIG_DDR_MT47H128M8) += spr600_mt47h128m8_3_266_cl5_async.o
+endif
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+SRCS := $(START:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+START := $(addprefix $(obj),$(START))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
#########################################################################
diff --git a/arch/arm/cpu/arm926ejs/spear/cpu.c b/arch/arm/cpu/arm926ejs/spear/cpu.c
new file mode 100644
index 0000000..e299de3
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/cpu.c
@@ -0,0 +1,87 @@
+/*
+ * (C) Copyright 2010
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_misc.h>
+
+int arch_cpu_init(void)
+{
+ struct misc_regs *const misc_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 periph1_clken, periph_clk_cfg;
+
+ periph1_clken = readl(&misc_p->periph1_clken);
+
+#if defined(CONFIG_SPEAR3XX)
+ periph1_clken |= MISC_GPT2ENB;
+#elif defined(CONFIG_SPEAR600)
+ periph1_clken |= MISC_GPT3ENB;
+#endif
+
+#if defined(CONFIG_PL011_SERIAL)
+ periph1_clken |= MISC_UART0ENB;
+
+ periph_clk_cfg = readl(&misc_p->periph_clk_cfg);
+ periph_clk_cfg &= ~CONFIG_SPEAR_UARTCLKMSK;
+ periph_clk_cfg |= CONFIG_SPEAR_UART48M;
+ writel(periph_clk_cfg, &misc_p->periph_clk_cfg);
+#endif
+#if defined(CONFIG_DESIGNWARE_ETH)
+ periph1_clken |= MISC_ETHENB;
+#endif
+#if defined(CONFIG_DW_UDC)
+ periph1_clken |= MISC_USBDENB;
+#endif
+#if defined(CONFIG_DW_I2C)
+ periph1_clken |= MISC_I2CENB;
+#endif
+#if defined(CONFIG_ST_SMI)
+ periph1_clken |= MISC_SMIENB;
+#endif
+#if defined(CONFIG_NAND_FSMC)
+ periph1_clken |= MISC_FSMCENB;
+#endif
+
+ writel(periph1_clken, &misc_p->periph1_clken);
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+#ifdef CONFIG_SPEAR300
+ printf("CPU: SPEAr300\n");
+#elif defined(CONFIG_SPEAR310)
+ printf("CPU: SPEAr310\n");
+#elif defined(CONFIG_SPEAR320)
+ printf("CPU: SPEAr320\n");
+#elif defined(CONFIG_SPEAR600)
+ printf("CPU: SPEAr600\n");
+#else
+#error CPU not supported in spear platform
+#endif
+ return 0;
+}
+#endif
diff --git a/arch/arm/cpu/arm926ejs/spear/spear600.c b/arch/arm/cpu/arm926ejs/spear/spear600.c
new file mode 100644
index 0000000..ff52131
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spear600.c
@@ -0,0 +1,236 @@
+/*
+ * (C) Copyright 2000-2009
+ * Viresh Kumar, ST Microelectronics, viresh.kumar@st.com
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.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/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/spr_misc.h>
+#include <asm/arch/spr_defs.h>
+
+#define FALSE 0
+#define TRUE (!FALSE)
+
+static void sel_1v8(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 ddr1v8, ddr2v5;
+
+ ddr2v5 = readl(&misc_p->ddr_2v5_compensation);
+ ddr2v5 &= 0x8080ffc0;
+ ddr2v5 |= 0x78000003;
+ writel(ddr2v5, &misc_p->ddr_2v5_compensation);
+
+ ddr1v8 = readl(&misc_p->ddr_1v8_compensation);
+ ddr1v8 &= 0x8080ffc0;
+ ddr1v8 |= 0x78000010;
+ writel(ddr1v8, &misc_p->ddr_1v8_compensation);
+
+ while (!(readl(&misc_p->ddr_1v8_compensation) & DDR_COMP_ACCURATE))
+ ;
+}
+
+static void sel_2v5(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 ddr1v8, ddr2v5;
+
+ ddr1v8 = readl(&misc_p->ddr_1v8_compensation);
+ ddr1v8 &= 0x8080ffc0;
+ ddr1v8 |= 0x78000003;
+ writel(ddr1v8, &misc_p->ddr_1v8_compensation);
+
+ ddr2v5 = readl(&misc_p->ddr_2v5_compensation);
+ ddr2v5 &= 0x8080ffc0;
+ ddr2v5 |= 0x78000010;
+ writel(ddr2v5, &misc_p->ddr_2v5_compensation);
+
+ while (!(readl(&misc_p->ddr_2v5_compensation) & DDR_COMP_ACCURATE))
+ ;
+}
+
+/*
+ * plat_ddr_init:
+ */
+void plat_ddr_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 ddrpad;
+ u32 core3v3, ddr1v8, ddr2v5;
+
+ /* DDR pad register configurations */
+ ddrpad = readl(&misc_p->ddr_pad);
+ ddrpad &= ~DDR_PAD_CNF_MSK;
+
+#if (CONFIG_DDR_HCLK)
+ ddrpad |= 0xEAAB;
+#elif (CONFIG_DDR_2HCLK)
+ ddrpad |= 0xEAAD;
+#elif (CONFIG_DDR_PLL2)
+ ddrpad |= 0xEAAD;
+#endif
+ writel(ddrpad, &misc_p->ddr_pad);
+
+ /* Compensation register configurations */
+ core3v3 = readl(&misc_p->core_3v3_compensation);
+ core3v3 &= 0x8080ffe0;
+ core3v3 |= 0x78000002;
+ writel(core3v3, &misc_p->core_3v3_compensation);
+
+ ddr1v8 = readl(&misc_p->ddr_1v8_compensation);
+ ddr1v8 &= 0x8080ffc0;
+ ddr1v8 |= 0x78000004;
+ writel(ddr1v8, &misc_p->ddr_1v8_compensation);
+
+ ddr2v5 = readl(&misc_p->ddr_2v5_compensation);
+ ddr2v5 &= 0x8080ffc0;
+ ddr2v5 |= 0x78000004;
+ writel(ddr2v5, &misc_p->ddr_2v5_compensation);
+
+ if ((readl(&misc_p->ddr_pad) & DDR_PAD_SW_CONF) == DDR_PAD_SW_CONF) {
+ /* Software memory configuration */
+ if (readl(&misc_p->ddr_pad) & DDR_PAD_SSTL_SEL)
+ sel_1v8();
+ else
+ sel_2v5();
+ } else {
+ /* Hardware memory configuration */
+ if (readl(&misc_p->ddr_pad) & DDR_PAD_DRAM_TYPE)
+ sel_1v8();
+ else
+ sel_2v5();
+ }
+}
+
+/*
+ * soc_init:
+ */
+void soc_init(void)
+{
+ /* Nothing to be done for SPEAr600 */
+}
+
+/*
+ * xxx_boot_selected:
+ *
+ * return TRUE if the particular booting option is selected
+ * return FALSE otherwise
+ */
+static u32 read_bootstrap(void)
+{
+ return (readl(CONFIG_SPEAR_BOOTSTRAPCFG) >> CONFIG_SPEAR_BOOTSTRAPSHFT)
+ & CONFIG_SPEAR_BOOTSTRAPMASK;
+}
+
+int snor_boot_selected(void)
+{
+ u32 bootstrap = read_bootstrap();
+
+ if (SNOR_BOOT_SUPPORTED) {
+ /* Check whether SNOR boot is selected */
+ if ((bootstrap & CONFIG_SPEAR_ONLYSNORBOOT) ==
+ CONFIG_SPEAR_ONLYSNORBOOT)
+ return TRUE;
+
+ if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) ==
+ CONFIG_SPEAR_NORNAND8BOOT)
+ return TRUE;
+
+ if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) ==
+ CONFIG_SPEAR_NORNAND16BOOT)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int nand_boot_selected(void)
+{
+ u32 bootstrap = read_bootstrap();
+
+ if (NAND_BOOT_SUPPORTED) {
+ /* Check whether NAND boot is selected */
+ if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) ==
+ CONFIG_SPEAR_NORNAND8BOOT)
+ return TRUE;
+
+ if ((bootstrap & CONFIG_SPEAR_NORNANDBOOT) ==
+ CONFIG_SPEAR_NORNAND16BOOT)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int pnor_boot_selected(void)
+{
+ /* Parallel NOR boot is not selected in any SPEAr600 revision */
+ return FALSE;
+}
+
+int usb_boot_selected(void)
+{
+ u32 bootstrap = read_bootstrap();
+
+ if (USB_BOOT_SUPPORTED) {
+ /* Check whether USB boot is selected */
+ if (!(bootstrap & CONFIG_SPEAR_USBBOOT))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+int tftp_boot_selected(void)
+{
+ /* TFTP boot is not selected in any SPEAr600 revision */
+ return FALSE;
+}
+
+int uart_boot_selected(void)
+{
+ /* UART boot is not selected in any SPEAr600 revision */
+ return FALSE;
+}
+
+int spi_boot_selected(void)
+{
+ /* SPI boot is not selected in any SPEAr600 revision */
+ return FALSE;
+}
+
+int i2c_boot_selected(void)
+{
+ /* I2C boot is not selected in any SPEAr600 revision */
+ return FALSE;
+}
+
+int mmc_boot_selected(void)
+{
+ return FALSE;
+}
+
+void plat_late_init(void)
+{
+ spear_late_init();
+}
diff --git a/arch/arm/cpu/arm926ejs/spear/spl.c b/arch/arm/cpu/arm926ejs/spear/spl.c
new file mode 100644
index 0000000..48e6efb
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spl.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Copyright (C) 2012 Stefan Roese <sr@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 <common.h>
+#include <version.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_defs.h>
+#include <asm/arch/spr_misc.h>
+#include <asm/arch/spr_syscntl.h>
+
+inline void hang(void)
+{
+ serial_puts("### ERROR ### Please RESET the board ###\n");
+ for (;;)
+ ;
+}
+
+static void ddr_clock_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 clkenb, ddrpll;
+
+ clkenb = readl(&misc_p->periph1_clken);
+ clkenb &= ~PERIPH_MPMCMSK;
+ clkenb |= PERIPH_MPMC_WE;
+
+ /* Intentionally done twice */
+ writel(clkenb, &misc_p->periph1_clken);
+ writel(clkenb, &misc_p->periph1_clken);
+
+ ddrpll = readl(&misc_p->pll_ctr_reg);
+ ddrpll &= ~MEM_CLK_SEL_MSK;
+#if (CONFIG_DDR_HCLK)
+ ddrpll |= MEM_CLK_HCLK;
+#elif (CONFIG_DDR_2HCLK)
+ ddrpll |= MEM_CLK_2HCLK;
+#elif (CONFIG_DDR_PLL2)
+ ddrpll |= MEM_CLK_PLL2;
+#else
+#error "please define one of CONFIG_DDR_(HCLK|2HCLK|PLL2)"
+#endif
+ writel(ddrpll, &misc_p->pll_ctr_reg);
+
+ writel(readl(&misc_p->periph1_clken) | PERIPH_MPMC_EN,
+ &misc_p->periph1_clken);
+}
+
+static void mpmc_init_values(void)
+{
+ u32 i;
+ u32 *mpmc_reg_p = (u32 *)CONFIG_SPEAR_MPMCBASE;
+ u32 *mpmc_val_p = &mpmc_conf_vals[0];
+
+ for (i = 0; i < CONFIG_SPEAR_MPMCREGS; i++, mpmc_reg_p++, mpmc_val_p++)
+ writel(*mpmc_val_p, mpmc_reg_p);
+
+ mpmc_reg_p = (u32 *)CONFIG_SPEAR_MPMCBASE;
+
+ /*
+ * MPMC controller start
+ * MPMC waiting for DLLLOCKREG high
+ */
+ writel(0x01000100, &mpmc_reg_p[7]);
+
+ while (!(readl(&mpmc_reg_p[3]) & 0x10000))
+ ;
+}
+
+static void mpmc_init(void)
+{
+ /* Clock related settings for DDR */
+ ddr_clock_init();
+
+ /*
+ * DDR pad register bits are different for different SoCs
+ * Compensation values are also handled separately
+ */
+ plat_ddr_init();
+
+ /* Initialize mpmc register values */
+ mpmc_init_values();
+}
+
+static void pll_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+ /* Initialize PLLs */
+ writel(FREQ_332, &misc_p->pll1_frq);
+ writel(0x1C0A, &misc_p->pll1_cntl);
+ writel(0x1C0E, &misc_p->pll1_cntl);
+ writel(0x1C06, &misc_p->pll1_cntl);
+ writel(0x1C0E, &misc_p->pll1_cntl);
+
+ writel(FREQ_332, &misc_p->pll2_frq);
+ writel(0x1C0A, &misc_p->pll2_cntl);
+ writel(0x1C0E, &misc_p->pll2_cntl);
+ writel(0x1C06, &misc_p->pll2_cntl);
+ writel(0x1C0E, &misc_p->pll2_cntl);
+
+ /* wait for pll locks */
+ while (!(readl(&misc_p->pll1_cntl) & 0x1))
+ ;
+ while (!(readl(&misc_p->pll2_cntl) & 0x1))
+ ;
+}
+
+static void mac_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+ writel(readl(&misc_p->periph1_clken) & (~PERIPH_GMAC),
+ &misc_p->periph1_clken);
+
+ writel(SYNTH23, &misc_p->gmac_synth_clk);
+
+ switch (get_socrev()) {
+ case SOC_SPEAR600_AA:
+ case SOC_SPEAR600_AB:
+ case SOC_SPEAR600_BA:
+ case SOC_SPEAR600_BB:
+ case SOC_SPEAR600_BC:
+ case SOC_SPEAR600_BD:
+ writel(0x0, &misc_p->gmac_ctr_reg);
+ break;
+
+ case SOC_SPEAR300:
+ case SOC_SPEAR310:
+ case SOC_SPEAR320:
+ writel(0x4, &misc_p->gmac_ctr_reg);
+ break;
+ }
+
+ writel(readl(&misc_p->periph1_clken) | PERIPH_GMAC,
+ &misc_p->periph1_clken);
+
+ writel(readl(&misc_p->periph1_rst) | PERIPH_GMAC,
+ &misc_p->periph1_rst);
+ writel(readl(&misc_p->periph1_rst) & (~PERIPH_GMAC),
+ &misc_p->periph1_rst);
+}
+
+static void sys_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ struct syscntl_regs *syscntl_p =
+ (struct syscntl_regs *)CONFIG_SPEAR_SYSCNTLBASE;
+
+ /* Set system state to SLOW */
+ writel(SLOW, &syscntl_p->scctrl);
+ writel(PLL_TIM << 3, &syscntl_p->scpllctrl);
+
+ /* Initialize PLLs */
+ pll_init();
+
+ /*
+ * Ethernet configuration
+ * To be done only if the tftp boot is not selected already
+ * Boot code ensures the correct configuration in tftp booting
+ */
+ if (!tftp_boot_selected())
+ mac_init();
+
+ writel(RTC_DISABLE | PLLTIMEEN, &misc_p->periph_clk_cfg);
+ writel(0x555, &misc_p->amba_clk_cfg);
+
+ writel(NORMAL, &syscntl_p->scctrl);
+
+ /* Wait for system to switch to normal mode */
+ while (((readl(&syscntl_p->scctrl) >> MODE_SHIFT) & MODE_MASK)
+ != NORMAL)
+ ;
+}
+
+/*
+ * get_socrev
+ *
+ * Get SoC Revision.
+ * @return SOC_SPEARXXX
+ */
+int get_socrev(void)
+{
+#if defined(CONFIG_SPEAR600)
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ u32 soc_id = readl(&misc_p->soc_core_id);
+ u32 pri_socid = (soc_id >> SOC_PRI_SHFT) & 0xFF;
+ u32 sec_socid = (soc_id >> SOC_SEC_SHFT) & 0xFF;
+
+ if ((pri_socid == 'B') && (sec_socid == 'B'))
+ return SOC_SPEAR600_BB;
+ else if ((pri_socid == 'B') && (sec_socid == 'C'))
+ return SOC_SPEAR600_BC;
+ else if ((pri_socid == 'B') && (sec_socid == 'D'))
+ return SOC_SPEAR600_BD;
+ else if (soc_id == 0)
+ return SOC_SPEAR600_BA;
+ else
+ return SOC_SPEAR_NA;
+#elif defined(CONFIG_SPEAR300)
+ return SOC_SPEAR300;
+#elif defined(CONFIG_SPEAR310)
+ return SOC_SPEAR310;
+#elif defined(CONFIG_SPEAR320)
+ return SOC_SPEAR320;
+#endif
+}
+
+void lowlevel_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+ const char *u_boot_rev = U_BOOT_VERSION;
+
+ /* Initialize PLLs */
+ sys_init();
+
+ /* Initialize UART */
+ serial_init();
+
+ /* Print U-Boot SPL version string */
+ serial_puts("\nU-Boot SPL ");
+ /* Avoid a second "U-Boot" coming from this string */
+ u_boot_rev = &u_boot_rev[7];
+ serial_puts(u_boot_rev);
+ serial_puts(" (");
+ serial_puts(U_BOOT_DATE);
+ serial_puts(" - ");
+ serial_puts(U_BOOT_TIME);
+ serial_puts(")\n");
+
+#if defined(CONFIG_OS_BOOT)
+ writel(readl(&misc_p->periph1_clken) | PERIPH_UART1,
+ &misc_p->periph1_clken);
+#endif
+
+ /* Enable IPs (release reset) */
+ writel(PERIPH_RST_ALL, &misc_p->periph1_rst);
+
+ /* Initialize MPMC */
+ serial_puts("Configure DDR\n");
+ mpmc_init();
+
+ /* SoC specific initialization */
+ soc_init();
+}
+
+void spear_late_init(void)
+{
+ struct misc_regs *misc_p = (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+ writel(0x80000007, &misc_p->arb_icm_ml1);
+ writel(0x80000007, &misc_p->arb_icm_ml2);
+ writel(0x80000007, &misc_p->arb_icm_ml3);
+ writel(0x80000007, &misc_p->arb_icm_ml4);
+ writel(0x80000007, &misc_p->arb_icm_ml5);
+ writel(0x80000007, &misc_p->arb_icm_ml6);
+ writel(0x80000007, &misc_p->arb_icm_ml7);
+ writel(0x80000007, &misc_p->arb_icm_ml8);
+ writel(0x80000007, &misc_p->arb_icm_ml9);
+}
diff --git a/arch/arm/cpu/arm926ejs/spear/spl_boot.c b/arch/arm/cpu/arm926ejs/spear/spl_boot.c
new file mode 100644
index 0000000..f2f9a49
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spl_boot.c
@@ -0,0 +1,197 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.com
+ *
+ * Copyright (C) 2012 Stefan Roese <sr@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 <common.h>
+#include <image.h>
+#include <linux/compiler.h>
+#include <asm/io.h>
+#include <asm/arch/spr_defs.h>
+#include <linux/mtd/st_smi.h>
+
+static const char kernel_name[] = "Linux";
+static const char loader_name[] = "U-Boot";
+
+int image_check_header(image_header_t *hdr, const char *name)
+{
+ if (image_check_magic(hdr) &&
+ (!strncmp(image_get_name(hdr), name, strlen(name))) &&
+ image_check_hcrc(hdr)) {
+ return 1;
+ }
+ return 0;
+}
+
+int image_check_data(image_header_t *hdr)
+{
+ if (image_check_dcrc(hdr))
+ return 1;
+
+ return 0;
+}
+
+/*
+ * SNOR (Serial NOR flash) related functions
+ */
+void snor_init(void)
+{
+ struct smi_regs *const smicntl =
+ (struct smi_regs * const)CONFIG_SYS_SMI_BASE;
+
+ /* Setting the fast mode values. SMI working at 166/4 = 41.5 MHz */
+ writel(HOLD1 | FAST_MODE | BANK_EN | DSEL_TIME | PRESCAL4,
+ &smicntl->smi_cr1);
+}
+
+static int snor_image_load(u8 *load_addr, void (**image_p)(void),
+ const char *image_name)
+{
+ image_header_t *header;
+
+ /*
+ * Since calculating the crc in the SNOR flash does not
+ * work, we copy the image to the destination address
+ * minus the header size. And point the header to this
+ * new destination. This will not work for address 0
+ * of course.
+ */
+ header = (image_header_t *)load_addr;
+ memcpy((ulong *)(image_get_load(header) - sizeof(image_header_t)),
+ (const ulong *)load_addr,
+ image_get_data_size(header) + sizeof(image_header_t));
+ header = (image_header_t *)(image_get_load(header) -
+ sizeof(image_header_t));
+
+ if (image_check_header(header, image_name)) {
+ if (image_check_data(header)) {
+ /* Jump to boot image */
+ *image_p = (void *)image_get_load(header);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void boot_image(void (*image)(void))
+{
+ void (*funcp)(void) __noreturn = (void *)image;
+
+ (*funcp)();
+}
+
+/*
+ * spl_boot:
+ *
+ * All supported booting types of all supported SoCs are listed here.
+ * Generic readback APIs are provided for each supported booting type
+ * eg. nand_read_skip_bad
+ */
+u32 spl_boot(void)
+{
+ void (*image)(void);
+
+#ifdef CONFIG_SPEAR_USBTTY
+ plat_late_init();
+ return 1;
+#endif
+
+ /*
+ * All the supported booting devices are listed here. Each of
+ * the booting type supported by the platform would define the
+ * macro xxx_BOOT_SUPPORTED to TRUE.
+ */
+
+ if (SNOR_BOOT_SUPPORTED && snor_boot_selected()) {
+ /* SNOR-SMI initialization */
+ snor_init();
+
+ serial_puts("Booting via SNOR\n");
+ /* Serial NOR booting */
+ if (1 == snor_image_load((u8 *)CONFIG_SYS_UBOOT_BASE,
+ &image, loader_name)) {
+ /* Platform related late initialasations */
+ plat_late_init();
+
+ /* Jump to boot image */
+ serial_puts("Jumping to U-Boot\n");
+ boot_image(image);
+ return 1;
+ }
+ }
+
+ if (NAND_BOOT_SUPPORTED && nand_boot_selected()) {
+ /* NAND booting */
+ /* Not ported from XLoader to SPL yet */
+ return 0;
+ }
+
+ if (PNOR_BOOT_SUPPORTED && pnor_boot_selected()) {
+ /* PNOR booting */
+ /* Not ported from XLoader to SPL yet */
+ return 0;
+ }
+
+ if (MMC_BOOT_SUPPORTED && mmc_boot_selected()) {
+ /* MMC booting */
+ /* Not ported from XLoader to SPL yet */
+ return 0;
+ }
+
+ if (SPI_BOOT_SUPPORTED && spi_boot_selected()) {
+ /* SPI booting */
+ /* Not supported for any platform as of now */
+ return 0;
+ }
+
+ if (I2C_BOOT_SUPPORTED && i2c_boot_selected()) {
+ /* I2C booting */
+ /* Not supported for any platform as of now */
+ return 0;
+ }
+
+ /*
+ * All booting types without memory are listed as below
+ * Control has to be returned to BootROM in case of all
+ * the following booting scenarios
+ */
+
+ if (USB_BOOT_SUPPORTED && usb_boot_selected()) {
+ plat_late_init();
+ return 1;
+ }
+
+ if (TFTP_BOOT_SUPPORTED && tftp_boot_selected()) {
+ plat_late_init();
+ return 1;
+ }
+
+ if (UART_BOOT_SUPPORTED && uart_boot_selected()) {
+ plat_late_init();
+ return 1;
+ }
+
+ /* Ideally, the control should not reach here. */
+ hang();
+}
diff --git a/arch/arm/cpu/arm926ejs/spear/spr600_mt47h128m8_3_266_cl5_async.c b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h128m8_3_266_cl5_async.c
new file mode 100644
index 0000000..5edc115
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h128m8_3_266_cl5_async.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.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>
+
+#if (CONFIG_DDR_PLL2)
+
+const u32 mpmc_conf_vals[CONFIG_SPEAR_MPMCREGS] = {
+ 0x00000001,
+ 0x00000000,
+ 0x01000000,
+ 0x00000101,
+ 0x00000001,
+ 0x01000000,
+ 0x00010001,
+ 0x00000100,
+ 0x00010001,
+ 0x00000003,
+ 0x01000201,
+ 0x06000202,
+ 0x06060106,
+ 0x03050502,
+ 0x03040404,
+ 0x02020503,
+ 0x02010106,
+ 0x03000404,
+ 0x02030202,
+ 0x03000204,
+ 0x0707073f,
+ 0x07070707,
+ 0x06060607,
+ 0x06060606,
+ 0x05050506,
+ 0x05050505,
+ 0x04040405,
+ 0x04040404,
+ 0x03030304,
+ 0x03030303,
+ 0x02020203,
+ 0x02020202,
+ 0x01010102,
+ 0x01010101,
+ 0x08080a01,
+ 0x0000023f,
+ 0x00040800,
+ 0x00000000,
+ 0x00000f02,
+ 0x00001b1b,
+ 0x7f000000,
+ 0x005f0000,
+ 0x1c040b6a,
+ 0x00640064,
+ 0x00640064,
+ 0x00640064,
+ 0x00000064,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x000007ff,
+ 0x00000000,
+ 0x47ec00c8,
+ 0x00c8001f,
+ 0x00000000,
+ 0x0000cd98,
+ 0x00000000,
+ 0x03030100,
+ 0x03030303,
+ 0x03030303,
+ 0x03030303,
+ 0x00270000,
+ 0x00250027,
+ 0x00300000,
+ 0x008900b7,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000
+};
+#endif
diff --git a/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_333_cl5_psync.c b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_333_cl5_psync.c
new file mode 100644
index 0000000..616b861
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_333_cl5_psync.c
@@ -0,0 +1,135 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.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>
+
+#if (CONFIG_DDR_PLL2 || CONFIG_DDR_2HCLK)
+
+const u32 mpmc_conf_vals[CONFIG_SPEAR_MPMCREGS] = {
+#if (CONFIG_DDR_PLL2)
+ 0x00000001,
+ 0x00000000,
+#elif (CONFIG_DDR_2HCLK)
+ 0x02020201,
+ 0x02020202,
+#endif
+ 0x01000000,
+ 0x00000101,
+ 0x00000101,
+ 0x01000000,
+ 0x00010001,
+ 0x00000100,
+ 0x01010001,
+ 0x00000201,
+ 0x01000101,
+ 0x06000002,
+ 0x06060106,
+ 0x03050502,
+ 0x03040404,
+ 0x02020503,
+ 0x02010106,
+ 0x03000405,
+ 0x03040202,
+ 0x04000305,
+ 0x0707073f,
+ 0x07070707,
+ 0x06060607,
+ 0x06060606,
+ 0x05050506,
+ 0x05050505,
+ 0x04040405,
+ 0x04040404,
+ 0x03030304,
+ 0x03030303,
+ 0x02020203,
+ 0x02020202,
+ 0x01010102,
+ 0x01010101,
+ 0x0a0a0a01,
+ 0x0000023f,
+ 0x00050a00,
+ 0x11000000,
+ 0x00001302,
+ 0x00000A0A,
+ 0x72000000,
+ 0x00550000,
+ 0x2b050e86,
+ 0x00640064,
+ 0x00640064,
+ 0x00640064,
+ 0x00000064,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00000a24,
+ 0x43C20000,
+ 0x5b1c00c8,
+ 0x00c8002e,
+ 0x00000000,
+ 0x0001046b,
+ 0x00000000,
+ 0x03030100,
+ 0x03030303,
+ 0x03030303,
+ 0x03030303,
+ 0x00210000,
+ 0x00010021,
+ 0x00200000,
+ 0x006c0090,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000
+};
+#endif
diff --git a/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_37e_166_cl4_sync.c b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_37e_166_cl4_sync.c
new file mode 100644
index 0000000..b89f77d
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h32m16_37e_166_cl4_sync.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.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>
+
+#if (CONFIG_DDR_HCLK)
+
+const u32 mpmc_conf_vals[CONFIG_SPEAR_MPMCREGS] = {
+ 0x03030301,
+ 0x03030303,
+ 0x01000000,
+ 0x00000101,
+ 0x00000001,
+ 0x01000000,
+ 0x00010001,
+ 0x00000100,
+ 0x00010001,
+ 0x00000003,
+ 0x01000201,
+ 0x06000202,
+ 0x06060106,
+ 0x03050502,
+ 0x03040404,
+ 0x02020503,
+ 0x02010106,
+ 0x03000404,
+ 0x02020202,
+ 0x03000203,
+ 0x0707073f,
+ 0x07070707,
+ 0x06060607,
+ 0x06060606,
+ 0x05050506,
+ 0x05050505,
+ 0x04040405,
+ 0x04040404,
+ 0x03030304,
+ 0x03030303,
+ 0x02020203,
+ 0x02020202,
+ 0x01010102,
+ 0x01010101,
+ 0x08080a01,
+ 0x0000023f,
+ 0x00030600,
+ 0x00000000,
+ 0x00000a02,
+ 0x00001c1c,
+ 0x7f000000,
+ 0x005f0000,
+ 0x12030743,
+ 0x00640064,
+ 0x00640064,
+ 0x00640064,
+ 0x00000064,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x0000050e,
+ 0x00000000,
+ 0x2d8900c8,
+ 0x00c80014,
+ 0x00000000,
+ 0x00008236,
+ 0x00000000,
+ 0x03030100,
+ 0x03030303,
+ 0x03030303,
+ 0x03030303,
+ 0x00400000,
+ 0x003a0040,
+ 0x00680000,
+ 0x00d80120,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000
+};
+#endif
diff --git a/arch/arm/cpu/arm926ejs/spear/spr600_mt47h64m16_3_333_cl5_psync.c b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h64m16_3_333_cl5_psync.c
new file mode 100644
index 0000000..0c39cd1
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/spr600_mt47h64m16_3_333_cl5_psync.c
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 2000-2009
+ * Vipin Kumar, ST Microelectronics, vipin.kumar@st.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>
+
+#if (CONFIG_DDR_PLL2 || CONFIG_DDR_2HCLK)
+
+const u32 mpmc_conf_vals[CONFIG_SPEAR_MPMCREGS] = {
+#if (CONFIG_DDR_PLL2)
+ 0x00000001,
+ 0x00000000,
+#elif (CONFIG_DDR_2HCLK)
+ 0x02020201,
+ 0x02020202,
+#endif
+ 0x01000000,
+ 0x00000101,
+ 0x00000101,
+ 0x01000000,
+ 0x00010001,
+ 0x00000100,
+ 0x01010001,
+ 0x00000201,
+ 0x01000101,
+ 0x06000002,
+ 0x06060106,
+ 0x03050502,
+ 0x03040404,
+ 0x02020503,
+#ifdef CONFIG_X600
+ 0x02030206,
+#else
+ 0x02010106,
+#endif
+ 0x03000405,
+ 0x03040202,
+ 0x04000305,
+ 0x0707073f,
+ 0x07070707,
+ 0x06060607,
+ 0x06060606,
+ 0x05050506,
+ 0x05050505,
+ 0x04040405,
+ 0x04040404,
+ 0x03030304,
+ 0x03030303,
+ 0x02020203,
+ 0x02020202,
+ 0x01010102,
+ 0x01010101,
+ 0x0a0a0a01,
+ 0x0000023f,
+ 0x00050a00,
+ 0x11000000,
+ 0x00001302,
+ 0x00000A0A,
+#ifdef CONFIG_X600
+ 0x7f000000,
+ 0x005c0000,
+#else
+ 0x72000000,
+ 0x00550000,
+#endif
+ 0x2b050e86,
+ 0x00640064,
+ 0x00640064,
+ 0x00640064,
+ 0x00000064,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00200020,
+ 0x00000a24,
+ 0x43C20000,
+ 0x5b1c00c8,
+ 0x00c8002e,
+ 0x00000000,
+ 0x0001046b,
+ 0x00000000,
+ 0x03030100,
+ 0x03030303,
+ 0x03030303,
+ 0x03030303,
+ 0x00210000,
+ 0x00010021,
+ 0x00200000,
+ 0x006c0090,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x003fffff,
+ 0x003fffff,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000
+};
+#endif
diff --git a/arch/arm/cpu/arm926ejs/spear/start.S b/arch/arm/cpu/arm926ejs/spear/start.S
new file mode 100644
index 0000000..a103c0f
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/start.S
@@ -0,0 +1,122 @@
+/*
+ * armboot - Startup Code for ARM926EJS CPU-core
+ *
+ * Copyright (c) 2003 Texas Instruments
+ *
+ * ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
+ *
+ * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
+ * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
+ * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
+ * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
+ * Copyright (c) 2003 Kshitij <kshitij@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 <config.h>
+
+.globl _start
+_start:
+ b reset
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+_undefined_instruction:
+_software_interrupt:
+_prefetch_abort:
+_data_abort:
+_not_used:
+_irq:
+_fiq:
+ .word infinite_loop
+
+infinite_loop:
+ b infinite_loop
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * Below are the critical initializations already taken place in BootROM.
+ * So, these are not taken care in Xloader
+ * 1. Relocation to RAM
+ * 2. Initializing stacks
+ *
+ *************************************************************************
+ */
+
+/*
+ * the actual reset code
+ */
+
+reset:
+/*
+ * Xloader has to return back to BootROM in a few cases.
+ * eg. Ethernet boot, UART boot, USB boot
+ * Saving registers for returning back
+ */
+ stmdb sp!, {r0-r12,r14}
+ bl cpu_init_crit
+/*
+ * Clearing bss area is not done in Xloader.
+ * BSS area lies in the DDR location which is not yet initialized
+ * bss is assumed to be uninitialized.
+ */
+ bl spl_boot
+ ldmia sp!, {r0-r12,pc}
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+cpu_init_crit:
+ /*
+ * flush v4 I/D caches
+ */
+ mov r0, #0
+ mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */
+ mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */
+
+ /*
+ * enable instruction cache
+ */
+ mrc p15, 0, r0, c1, c0, 0
+ orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */
+ mcr p15, 0, r0, c1, c0, 0
+
+ /*
+ * Go setup Memory and board specific bits prior to relocation.
+ */
+ stmdb sp!, {lr}
+ bl lowlevel_init /* go setup pll,mux,memory */
+ ldmia sp!, {pc}
diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
new file mode 100644
index 0000000..afd3381
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * January 2004 - Changed to support H4 device
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/arm926ejs/spear/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : {
+ *(.data)
+ }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+
+ .rel.dyn : {
+ __rel_dyn_start = .;
+ *(.rel*)
+ __rel_dyn_end = .;
+ }
+
+ .dynsym : {
+ __dynsym_start = .;
+ *(.dynsym)
+ }
+
+ .bss : {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.bss*)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ }
+
+ _end = .;
+
+ /DISCARD/ : { *(.dynstr*) }
+ /DISCARD/ : { *(.dynsym*) }
+ /DISCARD/ : { *(.dynamic*) }
+ /DISCARD/ : { *(.hash*) }
+ /DISCARD/ : { *(.plt*) }
+ /DISCARD/ : { *(.interp*) }
+ /DISCARD/ : { *(.gnu*) }
+}
generated by cgit v1.1 at 2024-11-09 08:33:31 +0000