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-rw-r--r--arch/arm/cpu/arm1136/mx31/generic.c2
-rw-r--r--arch/arm/cpu/arm1136/mx31/timer.c4
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/Makefile3
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c428
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/cpu.c16
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/ksz8873.c68
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/timer.c46
-rw-r--r--arch/arm/cpu/arm926ejs/mx25/generic.c53
-rw-r--r--arch/arm/cpu/arm926ejs/start.S9
-rw-r--r--arch/arm/cpu/armv7/mx5/clock.c114
-rw-r--r--arch/arm/cpu/armv7/omap-common/Makefile6
-rw-r--r--arch/arm/cpu/armv7/omap-common/spl.c165
-rw-r--r--arch/arm/cpu/armv7/omap-common/spl_mmc.c150
-rw-r--r--arch/arm/cpu/armv7/omap-common/spl_nand.c71
-rw-r--r--arch/arm/cpu/armv7/omap3/board.c50
-rw-r--r--arch/arm/cpu/armv7/omap3/config.mk30
-rw-r--r--arch/arm/cpu/armv7/omap3/lowlevel_init.S10
-rw-r--r--arch/arm/cpu/armv7/omap3/sdrc.c32
-rw-r--r--arch/arm/cpu/armv7/omap3/sys_info.c2
-rw-r--r--arch/arm/cpu/armv7/omap4/board.c1
20 files changed, 1074 insertions, 186 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c
index e3a4d1b808..c6def5df9b 100644
--- a/arch/arm/cpu/arm1136/mx31/generic.c
+++ b/arch/arm/cpu/arm1136/mx31/generic.c
@@ -180,7 +180,7 @@ int print_cpuinfo (void)
{
u32 srev = get_cpu_rev();
- printf("CPU: Freescale i.MX31 rev %d.%d%s at %d MHz.",
+ printf("CPU: Freescale i.MX31 rev %d.%d%s at %d MHz.\n",
(srev & 0xF0) >> 4, (srev & 0x0F),
((srev & 0x8000) ? " unknown" : ""),
mx31_get_mcu_main_clk() / 1000000);
diff --git a/arch/arm/cpu/arm1136/mx31/timer.c b/arch/arm/cpu/arm1136/mx31/timer.c
index c05a39d084..717a2b72bd 100644
--- a/arch/arm/cpu/arm1136/mx31/timer.c
+++ b/arch/arm/cpu/arm1136/mx31/timer.c
@@ -173,8 +173,8 @@ void mxc_hw_watchdog_enable(void)
#else
secs = 64;
#endif
- writew(readw(&wdog->wcr) | (secs << WDOG_WT_SHIFT) | WDOG_ENABLE,
- &wdog->wcr);
+ setbits_le16(&wdog->wcr, (secs << WDOG_WT_SHIFT) | WDOG_ENABLE
+ | WDOG_WDZST);
}
diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile
index 3183e6a656..0310957f89 100644
--- a/arch/arm/cpu/arm926ejs/davinci/Makefile
+++ b/arch/arm/cpu/arm926ejs/davinci/Makefile
@@ -28,11 +28,12 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
COBJS-y += cpu.o timer.o psc.o
+COBJS-$(CONFIG_AM18018_LOWLEVEL) += am1808_lowlevel.o
COBJS-$(CONFIG_SOC_DM355) += dm355.o
COBJS-$(CONFIG_SOC_DM365) += dm365.o
COBJS-$(CONFIG_SOC_DM644X) += dm644x.o
COBJS-$(CONFIG_SOC_DM646X) += dm646x.o
-COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o
+COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o
SOBJS = reset.o
diff --git a/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c
new file mode 100644
index 0000000000..1ea4a9ffce
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/davinci/am1808_lowlevel.c
@@ -0,0 +1,428 @@
+/*
+ * SoC-specific lowlevel code for AM1808 and similar chips
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <common.h>
+#include <nand.h>
+#include <ns16550.h>
+#include <post.h>
+#include <asm/arch/am1808_lowlevel.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/ddr2_defs.h>
+#include <asm/arch/emif_defs.h>
+
+void am1808_waitloop(unsigned long loopcnt)
+{
+ unsigned long i;
+
+ for (i = 0; i < loopcnt; i++)
+ asm(" NOP");
+}
+
+int am1808_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
+{
+ if (reg == davinci_pllc0_regs)
+ /* Unlock PLL registers. */
+ clrbits_le32(&davinci_syscfg_regs->cfgchip0, 0x00000010);
+
+ /*
+ * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled
+ * through MMR
+ */
+ clrbits_le32(&reg->pllctl, 0x00000020);
+ /* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */
+ clrbits_le32(&reg->pllctl, 0x00000200);
+
+ /* Set PLLEN=0 => PLL BYPASS MODE */
+ clrbits_le32(&reg->pllctl, 0x00000001);
+
+ am1808_waitloop(150);
+
+ if (reg == davinci_pllc0_regs) {
+ /*
+ * Select the Clock Mode bit 8 as External Clock or On Chip
+ * Oscilator
+ */
+ dv_maskbits(&reg->pllctl, 0xFFFFFEFF);
+ setbits_le32(&reg->pllctl, (CONFIG_SYS_DV_CLKMODE << 8));
+ }
+
+ /* Clear PLLRST bit to reset the PLL */
+ clrbits_le32(&reg->pllctl, 0x00000008);
+
+ /* Disable the PLL output */
+ setbits_le32(&reg->pllctl, 0x00000010);
+
+ /* PLL initialization sequence */
+ /*
+ * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of
+ * power down bit
+ */
+ clrbits_le32(&reg->pllctl, 0x00000002);
+
+ /* Enable the PLL from Disable Mode PLLDIS bit to 0 */
+ clrbits_le32(&reg->pllctl, 0x00000010);
+
+ /* Program the required multiplier value in PLLM */
+ writel(pllmult, &reg->pllm);
+
+ /* program the postdiv */
+ if (reg == davinci_pllc0_regs)
+ writel((0x8000 | CONFIG_SYS_AM1808_PLL0_POSTDIV),
+ &reg->postdiv);
+ else
+ writel((0x8000 | CONFIG_SYS_AM1808_PLL1_POSTDIV),
+ &reg->postdiv);
+
+ /*
+ * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that
+ * no GO operation is currently in progress
+ */
+ while ((readl(&reg->pllstat) & 0x1) == 1)
+ ;
+
+ if (reg == davinci_pllc0_regs) {
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV1, &reg->plldiv1);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV2, &reg->plldiv2);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV3, &reg->plldiv3);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV4, &reg->plldiv4);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV5, &reg->plldiv5);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV6, &reg->plldiv6);
+ writel(CONFIG_SYS_AM1808_PLL0_PLLDIV7, &reg->plldiv7);
+ } else {
+ writel(CONFIG_SYS_AM1808_PLL1_PLLDIV1, &reg->plldiv1);
+ writel(CONFIG_SYS_AM1808_PLL1_PLLDIV2, &reg->plldiv2);
+ writel(CONFIG_SYS_AM1808_PLL1_PLLDIV3, &reg->plldiv3);
+ }
+
+ /*
+ * Set the GOSET bit in PLLCMD to 1 to initiate a new divider
+ * transition.
+ */
+ setbits_le32(&reg->pllcmd, 0x01);
+
+ /*
+ * Wait for the GOSTAT bit in PLLSTAT to clear to 0
+ * (completion of phase alignment).
+ */
+ while ((readl(&reg->pllstat) & 0x1) == 1)
+ ;
+
+ /* Wait for PLL to reset properly. See PLL spec for PLL reset time */
+ am1808_waitloop(200);
+
+ /* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */
+ setbits_le32(&reg->pllctl, 0x00000008);
+
+ /* Wait for PLL to lock. See PLL spec for PLL lock time */
+ am1808_waitloop(2400);
+
+ /*
+ * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass
+ * mode
+ */
+ setbits_le32(&reg->pllctl, 0x00000001);
+
+
+ /*
+ * clear EMIFA and EMIFB clock source settings, let them
+ * run off SYSCLK
+ */
+ if (reg == davinci_pllc0_regs)
+ dv_maskbits(&davinci_syscfg_regs->cfgchip3, 0xFFFFFFF8);
+
+ return 0;
+}
+
+void am1808_lpc_transition(unsigned char pscnum, unsigned char module,
+ unsigned char domain, unsigned char state)
+{
+ struct davinci_psc_regs *reg;
+ dv_reg_p mdstat, mdctl;
+
+ if (pscnum == 0) {
+ reg = davinci_psc0_regs;
+ mdstat = &reg->psc0.mdstat[module];
+ mdctl = &reg->psc0.mdctl[module];
+ } else {
+ reg = davinci_psc1_regs;
+ mdstat = &reg->psc1.mdstat[module];
+ mdctl = &reg->psc1.mdctl[module];
+ }
+
+ /* Wait for any outstanding transition to complete */
+ while ((readl(&reg->ptstat) & (0x00000001 << domain)))
+ ;
+
+ /* If we are already in that state, just return */
+ if ((readl(mdstat) & 0x1F) == state)
+ return;
+
+ /* Perform transition */
+ writel((readl(mdctl) & 0xFFFFFFE0) | state, mdctl);
+ setbits_le32(&reg->ptcmd, (0x00000001 << domain));
+
+ /* Wait for transition to complete */
+ while (readl(&reg->ptstat) & (0x00000001 << domain))
+ ;
+
+ /* Wait and verify the state */
+ while ((readl(mdstat) & 0x1F) != state)
+ ;
+}
+
+int am1808_ddr_setup(unsigned int freq)
+{
+ unsigned long tmp;
+
+ /* Enable the Clock to DDR2/mDDR */
+ am1808_lpc_transition(1, 6, 0, PSC_ENABLE);
+
+ tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+ if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) {
+ /* Begin VTP Calibration */
+ clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+ clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+ clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+
+ /* Polling READY bit to see when VTP calibration is done */
+ tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+ while ((tmp & VTP_READY) != VTP_READY)
+ tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+
+ setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
+ }
+
+ writel(CONFIG_SYS_AM1808_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
+ clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
+ (1 << DDR_SLEW_CMOSEN_BIT));
+
+ setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK);
+
+ writel((CONFIG_SYS_AM1808_DDR2_SDBCR & ~0xf0000000) |
+ (readl(&dv_ddr2_regs_ctrl->sdbcr) & 0xf0000000), /*rsv Bytes*/
+ &dv_ddr2_regs_ctrl->sdbcr);
+ writel(CONFIG_SYS_AM1808_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2);
+
+ writel(CONFIG_SYS_AM1808_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
+ writel(CONFIG_SYS_AM1808_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
+
+ clrbits_le32(&dv_ddr2_regs_ctrl->sdbcr,
+ (1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT));
+
+ /*
+ * LPMODEN and MCLKSTOPEN must be set!
+ * Without this bits set, PSC don;t switch states !!
+ */
+ writel(CONFIG_SYS_AM1808_DDR2_SDRCR |
+ (1 << DV_DDR_SRCR_LPMODEN_SHIFT) |
+ (1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT),
+ &dv_ddr2_regs_ctrl->sdrcr);
+
+ /* SyncReset the Clock to EMIF3A SDRAM */
+ am1808_lpc_transition(1, 6, 0, PSC_SYNCRESET);
+ /* Enable the Clock to EMIF3A SDRAM */
+ am1808_lpc_transition(1, 6, 0, PSC_ENABLE);
+
+ /* disable self refresh */
+ clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, 0xc0000000);
+ writel(0x30, &dv_ddr2_regs_ctrl->pbbpr);
+
+ return 0;
+}
+
+static void am1808_set_mdctl(dv_reg_p mdctl)
+{
+ if ((readl(mdctl) & 0x1F) != PSC_ENABLE)
+ writel(((readl(mdctl) & 0xFFFFFFE0) | PSC_ENABLE), mdctl);
+}
+
+void am1808_psc_init(void)
+{
+ struct davinci_psc_regs *reg;
+ int i;
+
+ /* PSC 0 domain 0 init */
+ reg = davinci_psc0_regs;
+ while ((readl(&reg->ptstat) & 0x00000001))
+ ;
+
+ for (i = 3; i <= 4 ; i++)
+ am1808_set_mdctl(&reg->psc0.mdctl[i]);
+
+ for (i = 7; i <= 12 ; i++)
+ am1808_set_mdctl(&reg->psc0.mdctl[i]);
+
+ /* Do Always-On Power Domain Transitions */
+ setbits_le32(&reg->ptcmd, 0x00000001);
+ while (readl(&reg->ptstat) & 0x00000001)
+ ;
+
+ /* PSC1, domain 1 init */
+ reg = davinci_psc1_regs;
+ while ((readl(&reg->ptstat) & 0x00000001))
+ ;
+
+ am1808_set_mdctl(&reg->psc1.mdctl[3]);
+ am1808_set_mdctl(&reg->psc1.mdctl[6]);
+
+ /* UART1 + UART2 */
+ for (i = 12 ; i <= 13 ; i++)
+ am1808_set_mdctl(&reg->psc1.mdctl[i]);
+
+ am1808_set_mdctl(&reg->psc1.mdctl[26]);
+ am1808_set_mdctl(&reg->psc1.mdctl[31]);
+
+ /* Do Always-On Power Domain Transitions */
+ setbits_le32(&reg->ptcmd, 0x00000001);
+ while (readl(&reg->ptstat) & 0x00000001)
+ ;
+}
+
+void am1808_pinmux_ctl(unsigned long offset, unsigned long mask,
+ unsigned long value)
+{
+ clrbits_le32(&davinci_syscfg_regs->pinmux[offset], mask);
+ setbits_le32(&davinci_syscfg_regs->pinmux[offset], (mask & value));
+}
+
+__attribute__((weak))
+void board_gpio_init(void)
+{
+ return;
+}
+
+#if defined(CONFIG_NAND_SPL)
+void nand_boot(void)
+{
+ __attribute__((noreturn)) void (*uboot)(void);
+
+ /* copy image from NOR to RAM */
+ memcpy((void *)CONFIG_SYS_NAND_U_BOOT_DST,
+ (void *)CONFIG_SYS_NAND_U_BOOT_OFFS,
+ CONFIG_SYS_NAND_U_BOOT_SIZE);
+
+ /* and jump to it ... */
+ uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
+ (*uboot)();
+}
+#endif
+
+#if defined(CONFIG_NAND_SPL)
+void board_init_f(ulong bootflag)
+#else
+int arch_cpu_init(void)
+#endif
+{
+ /*
+ * copied from arch/arm/cpu/arm926ejs/start.S
+ *
+ * flush v4 I/D caches
+ */
+ asm("mov r0, #0");
+ asm("mcr p15, 0, r0, c7, c7, 0"); /* flush v3/v4 cache */
+ asm("mcr p15, 0, r0, c8, c7, 0"); /* flush v4 TLB */
+
+ /*
+ * disable MMU stuff and caches
+ */
+ asm("mrc p15, 0, r0, c1, c0, 0");
+ /* clear bits 13, 9:8 (--V- --RS) */
+ asm("bic r0, r0, #0x00002300");
+ /* clear bits 7, 2:0 (B--- -CAM) */
+ asm("bic r0, r0, #0x00000087");
+ /* set bit 2 (A) Align */
+ asm("orr r0, r0, #0x00000002");
+ /* set bit 12 (I) I-Cache */
+ asm("orr r0, r0, #0x00001000");
+ asm("mcr p15, 0, r0, c1, c0, 0");
+
+ /* Unlock kick registers */
+ writel(0x83e70b13, &davinci_syscfg_regs->kick0);
+ writel(0x95a4f1e0, &davinci_syscfg_regs->kick1);
+
+ dv_maskbits(&davinci_syscfg_regs->suspsrc,
+ ((1 << 27) | (1 << 22) | (1 << 20) | (1 << 5) | (1 << 16)));
+
+ /* System PSC setup - enable all */
+ am1808_psc_init();
+
+ /* Setup Pinmux */
+ am1808_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX0);
+ am1808_pinmux_ctl(1, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX1);
+ am1808_pinmux_ctl(2, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX2);
+ am1808_pinmux_ctl(3, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX3);
+ am1808_pinmux_ctl(4, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX4);
+ am1808_pinmux_ctl(5, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX5);
+ am1808_pinmux_ctl(6, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX6);
+ am1808_pinmux_ctl(7, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX7);
+ am1808_pinmux_ctl(8, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX8);
+ am1808_pinmux_ctl(9, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX9);
+ am1808_pinmux_ctl(10, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX10);
+ am1808_pinmux_ctl(11, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX11);
+ am1808_pinmux_ctl(12, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX12);
+ am1808_pinmux_ctl(13, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX13);
+ am1808_pinmux_ctl(14, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX14);
+ am1808_pinmux_ctl(15, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX15);
+ am1808_pinmux_ctl(16, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX16);
+ am1808_pinmux_ctl(17, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX17);
+ am1808_pinmux_ctl(18, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX18);
+ am1808_pinmux_ctl(19, 0xFFFFFFFF, CONFIG_SYS_AM1808_PINMUX19);
+
+ /* PLL setup */
+ am1808_pll_init(davinci_pllc0_regs, CONFIG_SYS_AM1808_PLL0_PLLM);
+ am1808_pll_init(davinci_pllc1_regs, CONFIG_SYS_AM1808_PLL1_PLLM);
+
+ /* GPIO setup */
+ board_gpio_init();
+
+ /* setup CSn config */
+ writel(CONFIG_SYS_AM1808_CS2CFG, &davinci_emif_regs->ab1cr);
+ writel(CONFIG_SYS_AM1808_CS3CFG, &davinci_emif_regs->ab2cr);
+
+ am1808_lpc_transition(1, 13, 0, PSC_ENABLE);
+ NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
+ CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
+ /*
+ * Fix Power and Emulation Management Register
+ * see sprufw3a.pdf page 37 Table 24
+ */
+ writel(readl((CONFIG_SYS_NS16550_COM1 + 0x30)) | 0x00006001,
+ (CONFIG_SYS_NS16550_COM1 + 0x30));
+#if defined(CONFIG_NAND_SPL)
+ puts("ddr init\n");
+ am1808_ddr_setup(132);
+
+ puts("boot u-boot ...\n");
+
+ nand_boot();
+#else
+ am1808_ddr_setup(132);
+ return 0;
+#endif
+}
diff --git a/arch/arm/cpu/arm926ejs/davinci/cpu.c b/arch/arm/cpu/arm926ejs/davinci/cpu.c
index b705dfd318..02819f6f74 100644
--- a/arch/arm/cpu/arm926ejs/davinci/cpu.c
+++ b/arch/arm/cpu/arm926ejs/davinci/cpu.c
@@ -115,7 +115,18 @@ int clk_get(enum davinci_clk_ids id)
out:
return pll_out;
}
-#endif /* CONFIG_SOC_DA8XX */
+#ifdef CONFIG_DISPLAY_CPUINFO
+int print_cpuinfo(void)
+{
+ printf("Cores: ARM %d MHz",
+ clk_get(DAVINCI_ARM_CLKID) / 1000000);
+ printf("\nDDR: %d MHz\n",
+ /* DDR PHY uses an x2 input clock */
+ clk_get(0x10001) / 1000000);
+ return 0;
+}
+#endif
+#else /* CONFIG_SOC_DA8XX */
#ifdef CONFIG_DISPLAY_CPUINFO
@@ -194,7 +205,8 @@ unsigned int davinci_arm_clk_get()
return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV) * 1000000;
}
#endif
-#endif
+#endif /* CONFIG_DISPLAY_CPUINFO */
+#endif /* !CONFIG_SOC_DA8XX */
/*
* Initializes on-chip ethernet controllers.
diff --git a/arch/arm/cpu/arm926ejs/davinci/ksz8873.c b/arch/arm/cpu/arm926ejs/davinci/ksz8873.c
new file mode 100644
index 0000000000..634eda0a02
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/davinci/ksz8873.c
@@ -0,0 +1,68 @@
+/*
+ * Micrel KSZ8873 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2011 Heiko Schocher <hsdenx.de>
+ *
+ * based on:
+ * National Semiconductor DP83848 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * --------------------------------------------------------
+ *
+ * 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 <miiphy.h>
+#include <net.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/io.h>
+
+int ksz8873_is_phy_connected(int phy_addr)
+{
+ u_int16_t dummy;
+
+ return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
+}
+
+int ksz8873_get_link_speed(int phy_addr)
+{
+ emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
+
+ /* we always have a link to the switch, 100 FD */
+ writel((EMAC_MACCONTROL_MIIEN_ENABLE |
+ EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
+ &emac->MACCONTROL);
+ return 1;
+}
+
+
+int ksz8873_init_phy(int phy_addr)
+{
+ return 1;
+}
+
+
+int ksz8873_auto_negotiate(int phy_addr)
+{
+ return dp83848_get_link_speed(phy_addr);
+}
diff --git a/arch/arm/cpu/arm926ejs/davinci/timer.c b/arch/arm/cpu/arm926ejs/davinci/timer.c
index 8b1734c8e1..c7bf7a5ad2 100644
--- a/arch/arm/cpu/arm926ejs/davinci/timer.c
+++ b/arch/arm/cpu/arm926ejs/davinci/timer.c
@@ -39,23 +39,10 @@
#include <common.h>
#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
DECLARE_GLOBAL_DATA_PTR;
-struct davinci_timer {
- u_int32_t pid12;
- u_int32_t emumgt;
- u_int32_t na1;
- u_int32_t na2;
- u_int32_t tim12;
- u_int32_t tim34;
- u_int32_t prd12;
- u_int32_t prd34;
- u_int32_t tcr;
- u_int32_t tgcr;
- u_int32_t wdtcr;
-};
-
static struct davinci_timer * const timer =
(struct davinci_timer *)CONFIG_SYS_TIMERBASE;
@@ -121,3 +108,34 @@ ulong get_tbclk(void)
{
return CONFIG_SYS_HZ;
}
+
+#ifdef CONFIG_HW_WATCHDOG
+static struct davinci_timer * const wdttimer =
+ (struct davinci_timer *)CONFIG_SYS_WDTTIMERBASE;
+
+/*
+ * See prufw2.pdf for using Timer as a WDT
+ */
+void davinci_hw_watchdog_enable(void)
+{
+ writel(0x0, &wdttimer->tcr);
+ writel(0x0, &wdttimer->tgcr);
+ /* TIMMODE = 2h */
+ writel(0x08 | 0x03 | ((TIM_CLK_DIV - 1) << 8), &wdttimer->tgcr);
+ writel(CONFIG_SYS_WDT_PERIOD_LOW, &wdttimer->prd12);
+ writel(CONFIG_SYS_WDT_PERIOD_HIGH, &wdttimer->prd34);
+ writel(2 << 22, &wdttimer->tcr);
+ writel(0x0, &wdttimer->tim12);
+ writel(0x0, &wdttimer->tim34);
+ /* set WDEN bit, WDKEY 0xa5c6 */
+ writel(0xa5c64000, &wdttimer->wdtcr);
+ /* clear counter register */
+ writel(0xda7e4000, &wdttimer->wdtcr);
+}
+
+void davinci_hw_watchdog_reset(void)
+{
+ writel(0xa5c64000, &wdttimer->wdtcr);
+ writel(0xda7e4000, &wdttimer->wdtcr);
+}
+#endif
diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
index 76e4b5c397..8e60a262eb 100644
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -105,13 +105,64 @@ ulong imx_get_perclk (int clk)
return lldiv (fref, div);
}
+u32 get_cpu_rev(void)
+{
+ u32 srev;
+ u32 system_rev = 0x25000;
+
+ /* read SREV register from IIM module */
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+ srev = readl(&iim->iim_srev);
+
+ switch (srev) {
+ case 0x00:
+ system_rev |= CHIP_REV_1_0;
+ break;
+ case 0x01:
+ system_rev |= CHIP_REV_1_1;
+ break;
+ default:
+ system_rev |= 0x8000;
+ break;
+ }
+
+ return system_rev;
+}
+
#if defined(CONFIG_DISPLAY_CPUINFO)
+static char *get_reset_cause(void)
+{
+ /* read RCSR register from CCM module */
+ struct ccm_regs *ccm =
+ (struct ccm_regs *)IMX_CCM_BASE;
+
+ u32 cause = readl(&ccm->rcsr) & 0x0f;
+
+ if (cause == 0)
+ return "POR";
+ else if (cause == 1)
+ return "RST";
+ else if ((cause & 2) == 2)
+ return "WDOG";
+ else if ((cause & 4) == 4)
+ return "SW RESET";
+ else if ((cause & 8) == 8)
+ return "JTAG";
+ else
+ return "unknown reset";
+
+}
+
int print_cpuinfo (void)
{
char buf[32];
+ u32 cpurev = get_cpu_rev();
- printf ("CPU: Freescale i.MX25 at %s MHz\n\n",
+ printf("CPU: Freescale i.MX25 rev%d.%d%s at %s MHz\n",
+ (cpurev & 0xF0) >> 4, (cpurev & 0x0F),
+ ((cpurev & 0x8000) ? " unknown" : ""),
strmhz (buf, imx_get_armclk ()));
+ printf("Reset cause: %s\n\n", get_reset_cause());
return 0;
}
#endif
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index d164d6d6ca..5e30745057 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -51,9 +51,18 @@
*/
+#ifdef CONFIG_SYS_DV_NOR_BOOT_CFG
.globl _start
_start:
+.globl _NOR_BOOT_CFG
+_NOR_BOOT_CFG:
+ .word CONFIG_SYS_DV_NOR_BOOT_CFG
b reset
+#else
+.globl _start
+_start:
+ b reset
+#endif
#ifdef CONFIG_SPL_BUILD
/* No exception handlers in preloader */
ldr pc, _hang
diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c
index 00610a0d59..0769a645c3 100644
--- a/arch/arm/cpu/armv7/mx5/clock.c
+++ b/arch/arm/cpu/armv7/mx5/clock.c
@@ -29,11 +29,13 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/clock.h>
+#include <div64.h>
enum pll_clocks {
PLL1_CLOCK = 0,
PLL2_CLOCK,
PLL3_CLOCK,
+ PLL4_CLOCK,
PLL_CLOCKS,
};
@@ -41,25 +43,65 @@ struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = {
[PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR,
[PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR,
[PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR,
+#ifdef CONFIG_MX53
+ [PLL4_CLOCK] = (struct mxc_pll_reg *)PLL4_BASE_ADDR,
+#endif
};
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
/*
- * Calculate the frequency of this pll.
+ * Calculate the frequency of PLLn.
*/
-static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq)
+static uint32_t decode_pll(struct mxc_pll_reg *pll, uint32_t infreq)
{
- u32 mfi, mfn, mfd, pd;
+ uint32_t ctrl, op, mfd, mfn, mfi, pdf, ret;
+ uint64_t refclk, temp;
+ int32_t mfn_abs;
+
+ ctrl = readl(&pll->ctrl);
+
+ if (ctrl & MXC_DPLLC_CTL_HFSM) {
+ mfn = __raw_readl(&pll->hfs_mfn);
+ mfd = __raw_readl(&pll->hfs_mfd);
+ op = __raw_readl(&pll->hfs_op);
+ } else {
+ mfn = __raw_readl(&pll->mfn);
+ mfd = __raw_readl(&pll->mfd);
+ op = __raw_readl(&pll->op);
+ }
- mfn = __raw_readl(&pll->mfn);
- mfd = __raw_readl(&pll->mfd) + 1;
- mfi = __raw_readl(&pll->op);
- pd = (mfi & 0xF) + 1;
- mfi = (mfi >> 4) & 0xF;
- mfi = (mfi >= 5) ? mfi : 5;
+ mfd &= MXC_DPLLC_MFD_MFD_MASK;
+ mfn &= MXC_DPLLC_MFN_MFN_MASK;
+ pdf = op & MXC_DPLLC_OP_PDF_MASK;
+ mfi = (op & MXC_DPLLC_OP_MFI_MASK) >> MXC_DPLLC_OP_MFI_OFFSET;
+
+ /* 21.2.3 */
+ if (mfi < 5)
+ mfi = 5;
+
+ /* Sign extend */
+ if (mfn >= 0x04000000) {
+ mfn |= 0xfc000000;
+ mfn_abs = -mfn;
+ } else
+ mfn_abs = mfn;
+
+ refclk = infreq * 2;
+ if (ctrl & MXC_DPLLC_CTL_DPDCK0_2_EN)
+ refclk *= 2;
+
+ refclk /= pdf + 1;
+ temp = refclk * mfn_abs;
+ do_div(temp, mfd + 1);
+ ret = refclk * mfi;
+
+ if ((int)mfn < 0)
+ ret -= temp;
+ else
+ ret += temp;
- return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+ return ret;
}
/*
@@ -99,18 +141,35 @@ static u32 get_periph_clk(void)
}
/*
+ * Get the rate of ahb clock.
+ */
+static u32 get_ahb_clk(void)
+{
+ uint32_t freq, div, reg;
+
+ freq = get_periph_clk();
+
+ reg = __raw_readl(&mxc_ccm->cbcdr);
+ div = ((reg & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+ MXC_CCM_CBCDR_AHB_PODF_OFFSET) + 1;
+
+ return freq / div;
+}
+
+/*
* Get the rate of ipg clock.
*/
static u32 get_ipg_clk(void)
{
- u32 ahb_podf, ipg_podf;
-
- ahb_podf = __raw_readl(&mxc_ccm->cbcdr);
- ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
- MXC_CCM_CBCDR_IPG_PODF_OFFSET;
- ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
- MXC_CCM_CBCDR_AHB_PODF_OFFSET;
- return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1));
+ uint32_t freq, reg, div;
+
+ freq = get_ahb_clk();
+
+ reg = __raw_readl(&mxc_ccm->cbcdr);
+ div = ((reg & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+ MXC_CCM_CBCDR_IPG_PODF_OFFSET) + 1;
+
+ return freq / div;
}
/*
@@ -237,7 +296,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
case MXC_ARM_CLK:
return get_mcu_main_clk();
case MXC_AHB_CLK:
- break;
+ return get_ahb_clk();
case MXC_IPG_CLK:
return get_ipg_clk();
case MXC_IPG_PERCLK:
@@ -274,13 +333,20 @@ int do_mx5_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
u32 freq;
freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
- printf("pll1: %dMHz\n", freq / 1000000);
+ printf("PLL1 %8d MHz\n", freq / 1000000);
freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
- printf("pll2: %dMHz\n", freq / 1000000);
+ printf("PLL2 %8d MHz\n", freq / 1000000);
freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
- printf("pll3: %dMHz\n", freq / 1000000);
- printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK));
- printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK));
+ printf("PLL3 %8d MHz\n", freq / 1000000);
+#ifdef CONFIG_MX53
+ freq = decode_pll(mxc_plls[PLL4_CLOCK], CONFIG_SYS_MX5_HCLK);
+ printf("PLL4 %8d MHz\n", freq / 1000000);
+#endif
+
+ printf("\n");
+ printf("AHB %8d kHz\n", mxc_get_clock(MXC_AHB_CLK) / 1000);
+ printf("IPG %8d kHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000);
+ printf("IPG PERCLK %8d kHz\n", mxc_get_clock(MXC_IPG_PERCLK) / 1000);
return 0;
}
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile
index ea9f8ec491..0b96b4789f 100644
--- a/arch/arm/cpu/armv7/omap-common/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -33,6 +33,12 @@ COBJS += gpio.o
ifdef CONFIG_SPL_BUILD
COBJS += spl.o
+ifdef CONFIG_SPL_NAND_SUPPORT
+COBJS += spl_nand.o
+endif
+ifdef CONFIG_SPL_MMC_SUPPORT
+COBJS += spl_mmc.o
+endif
endif
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c
index d1776522b7..c76fea6188 100644
--- a/arch/arm/cpu/armv7/omap-common/spl.c
+++ b/arch/arm/cpu/armv7/omap-common/spl.c
@@ -26,6 +26,7 @@
#include <asm/u-boot.h>
#include <asm/utils.h>
#include <asm/arch/sys_proto.h>
+#include <nand.h>
#include <mmc.h>
#include <fat.h>
#include <timestamp_autogenerated.h>
@@ -37,14 +38,11 @@
DECLARE_GLOBAL_DATA_PTR;
+struct spl_image_info spl_image;
+
/* Define global data structure pointer to it*/
static gd_t gdata __attribute__ ((section(".data")));
static bd_t bdata __attribute__ ((section(".data")));
-static const char *image_name;
-static u8 image_os;
-static u32 image_load_addr;
-static u32 image_entry_point;
-static u32 image_size;
inline void hang(void)
{
@@ -65,154 +63,40 @@ void board_init_f(ulong dummy)
relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE);
}
-#ifdef CONFIG_GENERIC_MMC
-int board_mmc_init(bd_t *bis)
-{
- switch (omap_boot_device()) {
- case BOOT_DEVICE_MMC1:
- omap_mmc_init(0);
- break;
- case BOOT_DEVICE_MMC2:
- omap_mmc_init(1);
- break;
- }
- return 0;
-}
-#endif
-
-static void parse_image_header(const struct image_header *header)
+void spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
if (__be32_to_cpu(header->ih_magic) == IH_MAGIC) {
- image_size = __be32_to_cpu(header->ih_size) + header_size;
- image_entry_point = __be32_to_cpu(header->ih_load);
+ spl_image.size = __be32_to_cpu(header->ih_size) + header_size;
+ spl_image.entry_point = __be32_to_cpu(header->ih_load);
/* Load including the header */
- image_load_addr = image_entry_point - header_size;
- image_os = header->ih_os;
- image_name = (const char *)&header->ih_name;
+ spl_image.load_addr = spl_image.entry_point - header_size;
+ spl_image.os = header->ih_os;
+ spl_image.name = (const char *)&header->ih_name;
debug("spl: payload image: %s load addr: 0x%x size: %d\n",
- image_name, image_load_addr, image_size);
+ spl_image.name, spl_image.load_addr, spl_image.size);
} else {
/* Signature not found - assume u-boot.bin */
printf("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
puts("Assuming u-boot.bin ..\n");
/* Let's assume U-Boot will not be more than 200 KB */
- image_size = 200 * 1024;
- image_entry_point = CONFIG_SYS_TEXT_BASE;
- image_load_addr = CONFIG_SYS_TEXT_BASE;
- image_os = IH_OS_U_BOOT;
- image_name = "U-Boot";
- }
-}
-
-static void mmc_load_image_raw(struct mmc *mmc)
-{
- u32 image_size_sectors, err;
- const struct image_header *header;
-
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
-
- /* read image header to find the image size & load address */
- err = mmc->block_dev.block_read(0,
- CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1,
- (void *)header);
-
- if (err <= 0)
- goto end;
-
- parse_image_header(header);
-
- /* convert size to sectors - round up */
- image_size_sectors = (image_size + MMCSD_SECTOR_SIZE - 1) /
- MMCSD_SECTOR_SIZE;
-
- /* Read the header too to avoid extra memcpy */
- err = mmc->block_dev.block_read(0,
- CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
- image_size_sectors, (void *)image_load_addr);
-
-end:
- if (err <= 0) {
- printf("spl: mmc blk read err - %d\n", err);
- hang();
+ spl_image.size = 200 * 1024;
+ spl_image.entry_point = CONFIG_SYS_TEXT_BASE;
+ spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
+ spl_image.os = IH_OS_U_BOOT;
+ spl_image.name = "U-Boot";
}
}
-static void mmc_load_image_fat(struct mmc *mmc)
-{
- s32 err;
- struct image_header *header;
-
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
-
- err = fat_register_device(&mmc->block_dev,
- CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
- if (err) {
- printf("spl: fat register err - %d\n", err);
- hang();
- }
-
- err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
- (u8 *)header, sizeof(struct image_header));
- if (err <= 0)
- goto end;
-
- parse_image_header(header);
-
- err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
- (u8 *)image_load_addr, 0);
-
-end:
- if (err <= 0) {
- printf("spl: error reading image %s, err - %d\n",
- CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err);
- hang();
- }
-}
-
-static void mmc_load_image(void)
-{
- struct mmc *mmc;
- int err;
- u32 boot_mode;
-
- mmc_initialize(gd->bd);
- /* We register only one device. So, the dev id is always 0 */
- mmc = find_mmc_device(0);
- if (!mmc) {
- puts("spl: mmc device not found!!\n");
- hang();
- }
-
- err = mmc_init(mmc);
- if (err) {
- printf("spl: mmc init failed: err - %d\n", err);
- hang();
- }
-
- boot_mode = omap_boot_mode();
- if (boot_mode == MMCSD_MODE_RAW) {
- debug("boot mode - RAW\n");
- mmc_load_image_raw(mmc);
- } else if (boot_mode == MMCSD_MODE_FAT) {
- debug("boot mode - FAT\n");
- mmc_load_image_fat(mmc);
- } else {
- puts("spl: wrong MMC boot mode\n");
- hang();
- }
-}
-
-void jump_to_image_no_args(void)
+static void jump_to_image_no_args(void)
{
typedef void (*image_entry_noargs_t)(void)__attribute__ ((noreturn));
image_entry_noargs_t image_entry =
- (image_entry_noargs_t) image_entry_point;
+ (image_entry_noargs_t) spl_image.entry_point;
+ debug("image entry point: 0x%X\n", spl_image.entry_point);
image_entry();
}
@@ -228,17 +112,24 @@ void board_init_r(gd_t *id, ulong dummy)
boot_device = omap_boot_device();
debug("boot device - %d\n", boot_device);
switch (boot_device) {
+#ifdef CONFIG_SPL_MMC_SUPPORT
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
- mmc_load_image();
+ spl_mmc_load_image();
break;
+#endif
+#ifdef CONFIG_SPL_NAND_SUPPORT
+ case BOOT_DEVICE_NAND:
+ spl_nand_load_image();
+ break;
+#endif
default:
printf("SPL: Un-supported Boot Device - %d!!!\n", boot_device);
hang();
break;
}
- switch (image_os) {
+ switch (spl_image.os) {
case IH_OS_U_BOOT:
debug("Jumping to U-Boot\n");
jump_to_image_no_args();
@@ -249,6 +140,7 @@ void board_init_r(gd_t *id, ulong dummy)
}
}
+/* This requires UART clocks to be enabled */
void preloader_console_init(void)
{
const char *u_boot_rev = U_BOOT_VERSION;
@@ -259,7 +151,6 @@ void preloader_console_init(void)
gd->flags |= GD_FLG_RELOC;
gd->baudrate = CONFIG_BAUDRATE;
- setup_clocks_for_console();
serial_init(); /* serial communications setup */
/* Avoid a second "U-Boot" coming from this string */
diff --git a/arch/arm/cpu/armv7/omap-common/spl_mmc.c b/arch/arm/cpu/armv7/omap-common/spl_mmc.c
new file mode 100644
index 0000000000..1d1e50c3c4
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/spl_mmc.c
@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@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/u-boot.h>
+#include <asm/utils.h>
+#include <asm/arch/sys_proto.h>
+#include <mmc.h>
+#include <fat.h>
+#include <timestamp_autogenerated.h>
+#include <version_autogenerated.h>
+#include <asm/omap_common.h>
+#include <asm/arch/mmc_host_def.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ switch (omap_boot_device()) {
+ case BOOT_DEVICE_MMC1:
+ omap_mmc_init(0);
+ break;
+ case BOOT_DEVICE_MMC2:
+ omap_mmc_init(1);
+ break;
+ }
+ return 0;
+}
+#endif
+
+static void mmc_load_image_raw(struct mmc *mmc)
+{
+ u32 image_size_sectors, err;
+ const struct image_header *header;
+
+ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+ sizeof(struct image_header));
+
+ /* read image header to find the image size & load address */
+ err = mmc->block_dev.block_read(0,
+ CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR, 1,
+ (void *)header);
+
+ if (err <= 0)
+ goto end;
+
+ spl_parse_image_header(header);
+
+ /* convert size to sectors - round up */
+ image_size_sectors = (spl_image.size + MMCSD_SECTOR_SIZE - 1) /
+ MMCSD_SECTOR_SIZE;
+
+ /* Read the header too to avoid extra memcpy */
+ err = mmc->block_dev.block_read(0,
+ CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR,
+ image_size_sectors, (void *)spl_image.load_addr);
+
+end:
+ if (err <= 0) {
+ printf("spl: mmc blk read err - %d\n", err);
+ hang();
+ }
+}
+
+static void mmc_load_image_fat(struct mmc *mmc)
+{
+ s32 err;
+ struct image_header *header;
+
+ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
+ sizeof(struct image_header));
+
+ err = fat_register_device(&mmc->block_dev,
+ CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION);
+ if (err) {
+ printf("spl: fat register err - %d\n", err);
+ hang();
+ }
+
+ err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
+ (u8 *)header, sizeof(struct image_header));
+ if (err <= 0)
+ goto end;
+
+ spl_parse_image_header(header);
+
+ err = file_fat_read(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME,
+ (u8 *)spl_image.load_addr, 0);
+
+end:
+ if (err <= 0) {
+ printf("spl: error reading image %s, err - %d\n",
+ CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err);
+ hang();
+ }
+}
+
+void spl_mmc_load_image(void)
+{
+ struct mmc *mmc;
+ int err;
+ u32 boot_mode;
+
+ mmc_initialize(gd->bd);
+ /* We register only one device. So, the dev id is always 0 */
+ mmc = find_mmc_device(0);
+ if (!mmc) {
+ puts("spl: mmc device not found!!\n");
+ hang();
+ }
+
+ err = mmc_init(mmc);
+ if (err) {
+ printf("spl: mmc init failed: err - %d\n", err);
+ hang();
+ }
+ boot_mode = omap_boot_mode();
+ if (boot_mode == MMCSD_MODE_RAW) {
+ debug("boot mode - RAW\n");
+ mmc_load_image_raw(mmc);
+ } else if (boot_mode == MMCSD_MODE_FAT) {
+ debug("boot mode - FAT\n");
+ mmc_load_image_fat(mmc);
+ } else {
+ puts("spl: wrong MMC boot mode\n");
+ hang();
+ }
+}
diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c b/arch/arm/cpu/armv7/omap-common/spl_nand.c
new file mode 100644
index 0000000000..af02a59557
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap-common/spl_nand.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.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 <asm/u-boot.h>
+#include <asm/utils.h>
+#include <asm/arch/sys_proto.h>
+#include <nand.h>
+#include <timestamp_autogenerated.h>
+#include <version_autogenerated.h>
+#include <asm/omap_common.h>
+
+
+void spl_nand_load_image(void)
+{
+ struct image_header *header;
+ switch (omap_boot_mode()) {
+ case NAND_MODE_HW_ECC:
+ debug("spl: nand - using hw ecc\n");
+ gpmc_init();
+ nand_init();
+ break;
+ default:
+ puts("spl: ERROR: This bootmode is not implemented - hanging");
+ hang();
+ }
+
+ /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
+ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+
+#ifdef CONFIG_NAND_ENV_DST
+ nand_spl_load_image(CONFIG_ENV_OFFSET,
+ CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+ spl_parse_image_header(header);
+ nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
+ (void *)image_load_addr);
+#ifdef CONFIG_ENV_OFFSET_REDUND
+ nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
+ CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+ spl_parse_image_header(header);
+ nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
+ (void *)image_load_addr);
+#endif
+#endif
+ /* Load u-boot */
+ nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+ CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
+ spl_parse_image_header(header);
+ nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+ spl_image.size, (void *)spl_image.load_addr);
+ nand_deselect();
+}
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 0448bc93ff..1b3ef69a99 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -39,6 +39,7 @@
#include <asm/cache.h>
#include <asm/armv7.h>
#include <asm/arch/gpio.h>
+#include <asm/omap_common.h>
/* Declarations */
extern omap3_sysinfo sysinfo;
@@ -56,6 +57,41 @@ static const struct gpio_bank gpio_bank_34xx[6] = {
const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
+#ifdef CONFIG_SPL_BUILD
+/*
+* We use static variables because global data is not ready yet.
+* Initialized data is available in SPL right from the beginning.
+* We would not typically need to save these parameters in regular
+* U-Boot. This is needed only in SPL at the moment.
+*/
+u32 omap3_boot_device = BOOT_DEVICE_NAND;
+
+/* auto boot mode detection is not possible for OMAP3 - hard code */
+u32 omap_boot_mode(void)
+{
+ switch (omap_boot_device()) {
+ case BOOT_DEVICE_MMC2:
+ return MMCSD_MODE_RAW;
+ case BOOT_DEVICE_MMC1:
+ return MMCSD_MODE_FAT;
+ break;
+ case BOOT_DEVICE_NAND:
+ return NAND_MODE_HW_ECC;
+ break;
+ default:
+ puts("spl: ERROR: unknown device - can't select boot mode\n");
+ hang();
+ }
+}
+
+u32 omap_boot_device(void)
+{
+ return omap3_boot_device;
+}
+
+#endif /* CONFIG_SPL_BUILD */
+
+
/******************************************************************************
* Routine: delay
* Description: spinning delay to use before udelay works
@@ -197,6 +233,10 @@ void s_init(void)
per_clocks_enable();
+#ifdef CONFIG_SPL_BUILD
+ preloader_console_init();
+#endif
+
if (!in_sdram)
mem_init();
}
@@ -245,7 +285,7 @@ void abort(void)
{
}
-#ifdef CONFIG_NAND_OMAP_GPMC
+#if defined(CONFIG_NAND_OMAP_GPMC) & !defined(CONFIG_SPL_BUILD)
/******************************************************************************
* OMAP3 specific command to switch between NAND HW and SW ecc
*****************************************************************************/
@@ -273,7 +313,7 @@ U_BOOT_CMD(
"[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
);
-#endif /* CONFIG_NAND_OMAP_GPMC */
+#endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */
#ifdef CONFIG_DISPLAY_BOARDINFO
/**
@@ -410,3 +450,9 @@ void enable_caches(void)
dcache_enable();
}
#endif
+
+void omap_rev_string(char *omap_rev_string)
+{
+ sprintf(omap_rev_string, "OMAP3, sorry revision detection" \
+ " unimplemented");
+}
diff --git a/arch/arm/cpu/armv7/omap3/config.mk b/arch/arm/cpu/armv7/omap3/config.mk
new file mode 100644
index 0000000000..b34fa6417b
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap3/config.mk
@@ -0,0 +1,30 @@
+#
+# Copyright 2011 Linaro Limited
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# (C) Copyright 2010
+# Texas Instruments, <www.ti.com>
+#
+# Aneesh V <aneesh@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/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
index 67e8ceb55a..a308ebdb6a 100644
--- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
@@ -35,6 +35,16 @@
_TEXT_BASE:
.word CONFIG_SYS_TEXT_BASE /* sdram load addr from config.mk */
+.global save_boot_params
+save_boot_params:
+#ifdef CONFIG_SPL_BUILD
+ ldr r4, =omap3_boot_device
+ ldr r5, [r0, #0x4]
+ and r5, r5, #0xff
+ str r5, [r4]
+#endif
+ bx lr
+
.global omap3_gp_romcode_call
omap3_gp_romcode_call:
PUSH {r4-r12, lr} @ Save all registers from ROM code!
diff --git a/arch/arm/cpu/armv7/omap3/sdrc.c b/arch/arm/cpu/armv7/omap3/sdrc.c
index 2a7970b4d0..0dd1955431 100644
--- a/arch/arm/cpu/armv7/omap3/sdrc.c
+++ b/arch/arm/cpu/armv7/omap3/sdrc.c
@@ -8,6 +8,9 @@
* Copyright (C) 2004-2010
* Texas Instruments Incorporated - http://www.ti.com/
*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
+ *
* Author :
* Vaibhav Hiremath <hvaibhav@ti.com>
*
@@ -133,13 +136,40 @@ void do_sdrc_init(u32 cs, u32 early)
sdelay(0x20000);
}
+/* As long as V_MCFG and V_RFR_CTRL is not defined for all OMAP3 boards we need
+ * to prevent this to be build in non-SPL build */
+#ifdef CONFIG_SPL_BUILD
+ /* If we use a SPL there is no x-loader nor config header so we have
+ * to do the job ourselfs
+ */
+ if (cs == CS0) {
+ sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+
+ /* General SDRC config */
+ writel(V_MCFG, &sdrc_base->cs[cs].mcfg);
+ writel(V_RFR_CTRL, &sdrc_base->cs[cs].rfr_ctrl);
+
+ /* AC timings */
+ writel(V_ACTIMA_165, &sdrc_actim_base0->ctrla);
+ writel(V_ACTIMB_165, &sdrc_actim_base0->ctrlb);
+
+ /* Initialize */
+ writel(CMD_NOP, &sdrc_base->cs[cs].manual);
+ writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+ writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
+
+ writel(V_MR, &sdrc_base->cs[cs].mr);
+ }
+#endif
+
/*
* SDRC timings are set up by x-load or config header
* We don't need to redo them here.
* Older x-loads configure only CS0
* configure CS1 to handle this ommission
*/
- if (cs) {
+ if (cs == CS1) {
sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
sdrc_actim_base1 = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
writel(readl(&sdrc_base->cs[CS0].mcfg),
diff --git a/arch/arm/cpu/armv7/omap3/sys_info.c b/arch/arm/cpu/armv7/omap3/sys_info.c
index bdb151d7f6..22887aec05 100644
--- a/arch/arm/cpu/armv7/omap3/sys_info.c
+++ b/arch/arm/cpu/armv7/omap3/sys_info.c
@@ -44,13 +44,13 @@ static char *rev_s[CPU_3XX_MAX_REV] = {
"UNKNOWN",
"UNKNOWN",
"3.1.2"};
-#endif /* CONFIG_DISPLAY_CPUINFO */
/* this is the revision table for 37xx CPUs */
static char *rev_s_37xx[CPU_37XX_MAX_REV] = {
"1.0",
"1.1",
"1.2"};
+#endif /* CONFIG_DISPLAY_CPUINFO */
/*****************************************************************
* dieid_num_r(void) - read and set die ID
diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index 309b244ad2..8584fdd590 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -257,6 +257,7 @@ void s_init(void)
watchdog_init();
set_mux_conf_regs();
#ifdef CONFIG_SPL_BUILD
+ setup_clocks_for_console();
preloader_console_init();
do_io_settings();
#endif