|
@@ -29,6 +29,7 @@
|
|
|
#include <asm/arch/hardware.h>
|
|
|
#include <asm/arch/ddr2_defs.h>
|
|
|
#include <asm/arch/emif_defs.h>
|
|
|
+#include <asm/arch/pll_defs.h>
|
|
|
|
|
|
void da850_waitloop(unsigned long loopcnt)
|
|
|
{
|
|
@@ -42,18 +43,18 @@ int da850_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);
|
|
|
+ clrbits_le32(&davinci_syscfg_regs->cfgchip0, PLL_MASTER_LOCK);
|
|
|
|
|
|
/*
|
|
|
* Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled
|
|
|
* through MMR
|
|
|
*/
|
|
|
- clrbits_le32(®->pllctl, 0x00000020);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_PLLENSRC);
|
|
|
/* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */
|
|
|
- clrbits_le32(®->pllctl, 0x00000200);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_EXTCLKSRC);
|
|
|
|
|
|
/* Set PLLEN=0 => PLL BYPASS MODE */
|
|
|
- clrbits_le32(®->pllctl, 0x00000001);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_PLLEN);
|
|
|
|
|
|
da850_waitloop(150);
|
|
|
|
|
@@ -62,42 +63,43 @@ int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
|
|
|
* Select the Clock Mode bit 8 as External Clock or On Chip
|
|
|
* Oscilator
|
|
|
*/
|
|
|
- dv_maskbits(®->pllctl, 0xFFFFFEFF);
|
|
|
- setbits_le32(®->pllctl, (CONFIG_SYS_DV_CLKMODE << 8));
|
|
|
+ dv_maskbits(®->pllctl, ~PLLCTL_RES_9);
|
|
|
+ setbits_le32(®->pllctl,
|
|
|
+ (CONFIG_SYS_DV_CLKMODE << PLLCTL_CLOCK_MODE_SHIFT));
|
|
|
}
|
|
|
|
|
|
/* Clear PLLRST bit to reset the PLL */
|
|
|
- clrbits_le32(®->pllctl, 0x00000008);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_PLLRST);
|
|
|
|
|
|
/* Disable the PLL output */
|
|
|
- setbits_le32(®->pllctl, 0x00000010);
|
|
|
+ setbits_le32(®->pllctl, PLLCTL_PLLDIS);
|
|
|
|
|
|
/* PLL initialization sequence */
|
|
|
/*
|
|
|
* Power up the PLL- PWRDN bit set to 0 to bring the PLL out of
|
|
|
* power down bit
|
|
|
*/
|
|
|
- clrbits_le32(®->pllctl, 0x00000002);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_PLLPWRDN);
|
|
|
|
|
|
/* Enable the PLL from Disable Mode PLLDIS bit to 0 */
|
|
|
- clrbits_le32(®->pllctl, 0x00000010);
|
|
|
+ clrbits_le32(®->pllctl, PLLCTL_PLLDIS);
|
|
|
|
|
|
/* Program the required multiplier value in PLLM */
|
|
|
writel(pllmult, ®->pllm);
|
|
|
|
|
|
/* program the postdiv */
|
|
|
if (reg == davinci_pllc0_regs)
|
|
|
- writel((0x8000 | CONFIG_SYS_DA850_PLL0_POSTDIV),
|
|
|
+ writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL0_POSTDIV),
|
|
|
®->postdiv);
|
|
|
else
|
|
|
- writel((0x8000 | CONFIG_SYS_DA850_PLL1_POSTDIV),
|
|
|
+ writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL1_POSTDIV),
|
|
|
®->postdiv);
|
|
|
|
|
|
/*
|
|
|
* Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that
|
|
|
* no GO operation is currently in progress
|
|
|
*/
|
|
|
- while ((readl(®->pllstat) & 0x1) == 1)
|
|
|
+ while ((readl(®->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
|
|
|
;
|
|
|
|
|
|
if (reg == davinci_pllc0_regs) {
|
|
@@ -118,20 +120,20 @@ int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
|
|
|
* Set the GOSET bit in PLLCMD to 1 to initiate a new divider
|
|
|
* transition.
|
|
|
*/
|
|
|
- setbits_le32(®->pllcmd, 0x01);
|
|
|
+ setbits_le32(®->pllcmd, PLLCMD_GOSTAT);
|
|
|
|
|
|
/*
|
|
|
* Wait for the GOSTAT bit in PLLSTAT to clear to 0
|
|
|
* (completion of phase alignment).
|
|
|
*/
|
|
|
- while ((readl(®->pllstat) & 0x1) == 1)
|
|
|
+ while ((readl(®->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
|
|
|
;
|
|
|
|
|
|
/* Wait for PLL to reset properly. See PLL spec for PLL reset time */
|
|
|
da850_waitloop(200);
|
|
|
|
|
|
/* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */
|
|
|
- setbits_le32(®->pllctl, 0x00000008);
|
|
|
+ setbits_le32(®->pllctl, PLLCTL_PLLRST);
|
|
|
|
|
|
/* Wait for PLL to lock. See PLL spec for PLL lock time */
|
|
|
da850_waitloop(2400);
|
|
@@ -140,7 +142,7 @@ int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
|
|
|
* Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass
|
|
|
* mode
|
|
|
*/
|
|
|
- setbits_le32(®->pllctl, 0x00000001);
|
|
|
+ setbits_le32(®->pllctl, PLLCTL_PLLEN);
|
|
|
|
|
|
|
|
|
/*
|
|
@@ -148,12 +150,13 @@ int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
|
|
|
* run off SYSCLK
|
|
|
*/
|
|
|
if (reg == davinci_pllc0_regs)
|
|
|
- dv_maskbits(&davinci_syscfg_regs->cfgchip3, 0xFFFFFFF8);
|
|
|
+ dv_maskbits(&davinci_syscfg_regs->cfgchip3,
|
|
|
+ ~(PLL_SCSCFG3_DIV45PENA | PLL_SCSCFG3_EMA_CLKSRC));
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-int da850_ddr_setup(unsigned int freq)
|
|
|
+int da850_ddr_setup(void)
|
|
|
{
|
|
|
unsigned long tmp;
|
|
|
|
|
@@ -197,8 +200,8 @@ int da850_ddr_setup(unsigned int freq)
|
|
|
* the timing registers
|
|
|
*/
|
|
|
tmp = CONFIG_SYS_DA850_DDR2_SDBCR;
|
|
|
- tmp &= ~(0x1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT);
|
|
|
- tmp |= (0x1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT);
|
|
|
+ tmp &= ~DV_DDR_BOOTUNLOCK;
|
|
|
+ tmp |= DV_DDR_TIMUNLOCK;
|
|
|
writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
|
|
|
|
|
|
/* write memory configuration and timing */
|
|
@@ -207,7 +210,7 @@ int da850_ddr_setup(unsigned int freq)
|
|
|
writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
|
|
|
|
|
|
/* clear the TIMUNLOCK bit and write the value of the CL field */
|
|
|
- tmp &= ~(0x1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT);
|
|
|
+ tmp &= ~DV_DDR_TIMUNLOCK;
|
|
|
writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
|
|
|
|
|
|
/*
|
|
@@ -225,8 +228,9 @@ int da850_ddr_setup(unsigned int freq)
|
|
|
lpsc_on(DAVINCI_LPSC_DDR_EMIF);
|
|
|
|
|
|
/* disable self refresh */
|
|
|
- clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, 0xc0000000);
|
|
|
- writel(0x30, &dv_ddr2_regs_ctrl->pbbpr);
|
|
|
+ clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr,
|
|
|
+ DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_LPMODEN);
|
|
|
+ writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
@@ -244,57 +248,14 @@ 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);
|
|
|
+ writel(DV_SYSCFG_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
|
|
|
+ writel(DV_SYSCFG_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
|
|
|
|
|
|
dv_maskbits(&davinci_syscfg_regs->suspsrc,
|
|
|
- ((1 << 27) | (1 << 22) | (1 << 20) | (1 << 5) | (1 << 16)));
|
|
|
+ CONFIG_SYS_DA850_SYSCFG_SUSPSRC);
|
|
|
|
|
|
/* Setup Pinmux */
|
|
|
da850_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_DA850_PINMUX0);
|
|
@@ -326,10 +287,14 @@ int arch_cpu_init(void)
|
|
|
board_gpio_init();
|
|
|
|
|
|
/* setup CSn config */
|
|
|
+#if defined(CONFIG_SYS_DA850_CS2CFG)
|
|
|
writel(CONFIG_SYS_DA850_CS2CFG, &davinci_emif_regs->ab1cr);
|
|
|
+#endif
|
|
|
+#if defined(CONFIG_SYS_DA850_CS3CFG)
|
|
|
writel(CONFIG_SYS_DA850_CS3CFG, &davinci_emif_regs->ab2cr);
|
|
|
+#endif
|
|
|
|
|
|
- lpsc_on(DAVINCI_LPSC_UART2);
|
|
|
+ lpsc_on(CONFIG_SYS_DA850_LPSC_UART);
|
|
|
NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
|
|
|
CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
|
|
|
|
|
@@ -337,17 +302,10 @@ int arch_cpu_init(void)
|
|
|
* 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");
|
|
|
- da850_ddr_setup(132);
|
|
|
+ writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
|
|
|
+ DAVINCI_UART_PWREMU_MGMT_UTRST),
|
|
|
+ &davinci_uart2_ctrl_regs->pwremu_mgmt);
|
|
|
|
|
|
- puts("boot u-boot ...\n");
|
|
|
-
|
|
|
- nand_boot();
|
|
|
-#else
|
|
|
- da850_ddr_setup(132);
|
|
|
+ da850_ddr_setup();
|
|
|
return 0;
|
|
|
-#endif
|
|
|
}
|