+
+#include <common.h>
+#include <command.h>
+#include <part.h>
+#include <fat.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/bits.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/sys_info.h>
+#include <asm/arch/clocks.h>
+#include <asm/arch/mem.h>
+
+/* Used to index into DPLL parameter tables */
+struct dpll_param {
+ unsigned int m;
+ unsigned int n;
+ unsigned int fsel;
+ unsigned int m2;
+};
+
+typedef struct dpll_param dpll_param;
+
+#define MAX_SIL_INDEX 3
+
+/* EMIF4 register defines */
+#define EMIF4_BASE OMAP34XX_SDRC_BASE
+#define EMIF4_MOD_ID (EMIF4_BASE + 0x00)
+#define EMIF4_SDRAM_STS (EMIF4_BASE + 0x04)
+#define EMIF4_SDRAM_CFG (EMIF4_BASE + 0x08)
+#define EMIF4_SDRAM_RFCR (EMIF4_BASE + 0x10)
+#define EMIF4_SDRAM_RFCR_SHDW (EMIF4_BASE + 0x14)
+#define EMIF4_SDRAM_TIM1 (EMIF4_BASE + 0x18)
+#define EMIF4_SDRAM_TIM1_SHDW (EMIF4_BASE + 0x1C)
+#define EMIF4_SDRAM_TIM2 (EMIF4_BASE + 0x20)
+#define EMIF4_SDRAM_TIM2_SHDW (EMIF4_BASE + 0x24)
+#define EMIF4_SDRAM_TIM3 (EMIF4_BASE + 0x28)
+#define EMIF4_SDRAM_TIM3_SHDW (EMIF4_BASE + 0x2c)
+#define EMIF4_PWR_MGT_CTRL (EMIF4_BASE + 0x38)
+#define EMIF4_PWR_MGT_CTRL_SHDW (EMIF4_BASE + 0x3C)
+#define EMIF4_IODFT_TLGC (EMIF4_BASE + 0x60)
+#define EMIF4_DDR_PHYCTL1 (EMIF4_BASE + 0xE4)
+#define EMIF4_DDR_PHYCTL1_SHDW (EMIF4_BASE + 0xE8)
+#define EMIF4_DDR_PHYCTL2 (EMIF4_BASE + 0xEC)
+
+/* Definitions for EMIF4 configuration values */
+#define EMIF4_TIM1_T_RP 0x3
+#define EMIF4_TIM1_T_RCD 0x3
+#define EMIF4_TIM1_T_WR 0x3
+#define EMIF4_TIM1_T_RAS 0x8
+#define EMIF4_TIM1_T_RC 0xA
+#define EMIF4_TIM1_T_RRD 0x2
+#define EMIF4_TIM1_T_WTR 0x2
+
+#define EMIF4_TIM2_T_XP 0x2
+#define EMIF4_TIM2_T_ODT 0x0
+#define EMIF4_TIM2_T_XSNR 0x1C
+#define EMIF4_TIM2_T_XSRD 0xC8
+#define EMIF4_TIM2_T_RTP 0x1
+#define EMIF4_TIM2_T_CKE 0x2
+
+#define EMIF4_TIM3_T_TDQSCKMAX 0x0
+#define EMIF4_TIM3_T_RFC 0x25
+#define EMIF4_TIM3_T_RAS_MAX 0x7
+
+#define EMIF4_PWR_IDLE 0x2
+#define EMIF4_PWR_DPD_EN 0x0
+#define EMIF4_PWR_PM_EN 0x0
+#define EMIF4_PWR_PM_TIM 0x0
+
+#define EMIF4_INITREF_DIS 0x0
+#define EMIF4_PASR 0x0
+#define EMIF4_REFRESH_RATE 0x50F
+
+/*
+ * SDRAM Config register
+ */
+#define EMIF4_CFG_SDRAM_TYP 0x2
+#define EMIF4_CFG_IBANK_POS 0x0
+#define EMIF4_CFG_DDR_TERM 0x0
+#define EMIF4_CFG_DDR2_DDQS 0x1
+#define EMIF4_CFG_DYN_ODT 0x0
+#define EMIF4_CFG_DDR_DIS_DLL 0x0
+#define EMIF4_CFG_SDR_DRV 0x0
+#define EMIF4_CFG_CWL 0x0
+#if CONFIG_DRAM_BUS_WIDTH == 16
+#define EMIF4_CFG_NARROW_MD 0x1
+#else
+#define EMIF4_CFG_NARROW_MD 0x0
+#endif
+#define EMIF4_CFG_CL 0x5
+#define EMIF4_CFG_ROWSIZE 0x4
+#define EMIF4_CFG_IBANK 0x3
+#define EMIF4_CFG_EBANK 0x0
+#define EMIF4_CFG_PGSIZE 0x2
+
+/*
+ * EMIF4 PHY Control 1 register configuration
+ */
+#define EMIF4_DDR1_RD_LAT 0x6
+#define EMIF4_DDR1_PWRDN_DIS 0x0
+#define EMIF4_DDR1_STRBEN_EXT 0x0
+#define EMIF4_DDR1_DLL_MODE 0x0
+#define EMIF4_DDR1_VTP_DYN 0x0
+#define EMIF4_DDR1_LB_CK_SEL 0x0
+
+/*
+ * EMIF4 PHY Control 2 register configuration
+ */
+#define EMIF4_DDR2_TX_DATA_ALIGN 0x0
+#define EMIF4_DDR2_RX_DLL_BYPASS 0x0
+
+#define OMAP34XX_CONTROL_ID (OMAP34XX_WAKEUP_L4_IO_BASE + 0xa204)
+
+/* Following functions are exported from lowlevel_init.S */
+extern dpll_param *get_mpu_dpll_param(void);
+extern dpll_param *get_core_dpll_param(void);
+extern dpll_param *get_per_dpll_param(void);
+
+extern int mmc_init(int verbose);
+extern block_dev_desc_t *mmc_get_dev(int dev);
+
+#define __raw_readl(a) (*(volatile unsigned int *)(a))
+#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v))
+#define __raw_readw(a) (*(volatile unsigned short *)(a))
+#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v))
+
+u32 is_cpu_family(void)
+{
+ u32 cpuid = 0, cpu_family = 0;
+ u16 hawkeye;
+
+ cpuid = __raw_readl(OMAP34XX_CONTROL_ID);
+ hawkeye = (cpuid >> HAWKEYE_SHIFT) & 0xffff;
+
+ switch (hawkeye) {
+ case HAWKEYE_AM35XX:
+ default:
+ cpu_family = CPU_AM35XX;
+ break;
+ }
+ return cpu_family;
+}
+
+/*******************************************************
+ * Routine: delay
+ * Description: spinning delay to use before udelay works
+ ******************************************************/
+static inline void delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************
+ * Routine: board_init
+ * Description: Early hardware init.
+ *****************************************/
+int board_init (void)
+{
+ return 0;
+}
+
+/*************************************************************
+ * get_device_type(): tell if GP/HS/EMU/TST
+ *************************************************************/
+u32 get_device_type(void)
+{
+ int mode;
+ mode = __raw_readl(CONTROL_STATUS) & (DEVICE_MASK);
+ return(mode >>= 8);
+}
+
+/************************************************
+ * get_sysboot_value(void) - return SYS_BOOT[4:0]
+ ************************************************/
+u32 get_sysboot_value(void)
+{
+ int mode;
+ mode = __raw_readl(CONTROL_STATUS) & (SYSBOOT_MASK);
+ return mode;
+}
+/*************************************************************
+ * Routine: get_mem_type(void) - returns the kind of memory connected
+ * to GPMC that we are trying to boot form. Uses SYS BOOT settings.
+ *************************************************************/
+u32 get_mem_type(void)
+{
+ u32 mem_type = get_sysboot_value();
+ switch (mem_type) {
+ case 0:
+ case 2:
+ case 4:
+ case 16:
+ case 22:
+ return GPMC_ONENAND;
+
+ case 1:
+ case 12:
+ case 15:
+ case 21:
+ case 27:
+ return GPMC_NAND;
+
+ case 3:
+ case 6:
+ return MMC_ONENAND;
+
+ case 8:
+ case 11:
+ case 14:
+ case 20:
+ case 26:
+ return GPMC_MDOC;
+
+ case 17:
+ case 18:
+ case 24:
+ return MMC_NAND;
+
+ case 7:
+ case 10:
+ case 13:
+ case 19:
+ case 25:
+ default:
+ return GPMC_NOR;
+ }
+}
+
+/******************************************
+ * get_cpu_rev(void) - extract version info
+ ******************************************/
+u32 get_cpu_rev(void)
+{
+ u32 cpuid = 0;
+ /* On ES1.0 the IDCODE register is not exposed on L4
+ * so using CPU ID to differentiate
+ * between ES2.0 and ES1.0.
+ */
+ __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r" (cpuid));
+ if ((cpuid & 0xf) == 0x0)
+ return CPU_3430_ES1;
+ else
+ return CPU_3430_ES2;
+
+}
+
+/******************************************
+ * cpu_is_3410(void) - returns true for 3410
+ ******************************************/
+u32 cpu_is_3410(void)
+{
+ int status;
+ if (get_cpu_rev() < CPU_3430_ES2) {
+ return 0;
+ } else {
+ /* read scalability status and return 1 for 3410*/
+ status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
+ /* Check whether MPU frequency is set to 266 MHz which
+ * is nominal for 3410. If yes return true else false
+ */
+ if (((status >> 8) & 0x3) == 0x2)
+ return 1;
+ else
+ return 0;
+ }
+}
+
+/*****************************************************************
+ * sr32 - clear & set a value in a bit range for a 32 bit address
+ *****************************************************************/
+void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
+{
+ u32 tmp, msk = 0;
+ msk = 1 << num_bits;
+ --msk;
+ tmp = __raw_readl(addr) & ~(msk << start_bit);
+ tmp |= value << start_bit;
+ __raw_writel(tmp, addr);
+}
+
+/*********************************************************************
+ * wait_on_value() - common routine to allow waiting for changes in
+ * volatile regs.
+ *********************************************************************/
+u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
+{
+ u32 i = 0, val;
+ do {
+ ++i;
+ val = __raw_readl(read_addr) & read_bit_mask;
+ if (val == match_value)
+ return 1;
+ if (i == bound)
+ return 0;
+ } while (1);
+}
+
+/*********************************************************************
+ * config_emif4_ddr() - Init/Configure DDR on AM3517 EVM board.
+ *********************************************************************/
+void config_emif4_ddr(void)
+{
+ unsigned int regval;
+
+ /* Set the DDR PHY parameters in PHY ctrl registers */
+ regval = (EMIF4_DDR1_RD_LAT | (EMIF4_DDR1_PWRDN_DIS << 6) |
+ (EMIF4_DDR1_STRBEN_EXT << 7) | (EMIF4_DDR1_DLL_MODE << 12) |
+ (EMIF4_DDR1_VTP_DYN << 15) | (EMIF4_DDR1_LB_CK_SEL << 23));
+ __raw_writel(regval, EMIF4_DDR_PHYCTL1);
+ __raw_writel(regval, EMIF4_DDR_PHYCTL1_SHDW);
+
+ regval = (EMIF4_DDR2_TX_DATA_ALIGN | (EMIF4_DDR2_RX_DLL_BYPASS << 1));
+ __raw_writel(regval, EMIF4_DDR_PHYCTL2);
+
+ /* Reset the DDR PHY and wait till completed */
+ sr32(EMIF4_IODFT_TLGC, 10, 1, 1);
+ /*Wait till that bit clears*/
+ while ((__raw_readl(EMIF4_IODFT_TLGC) & BIT10) == 0x1);
+ /*Re-verify the DDR PHY status*/
+ while ((__raw_readl(EMIF4_SDRAM_STS) & BIT2) == 0x0);
+
+ sr32(EMIF4_IODFT_TLGC, 0, 1, 1);
+ /* Set SDR timing registers */
+ regval = (EMIF4_TIM1_T_WTR | (EMIF4_TIM1_T_RRD << 3) |
+ (EMIF4_TIM1_T_RC << 6) | (EMIF4_TIM1_T_RAS << 12) |
+ (EMIF4_TIM1_T_WR << 17) | (EMIF4_TIM1_T_RCD << 21) |
+ (EMIF4_TIM1_T_RP << 25));
+ __raw_writel(regval, EMIF4_SDRAM_TIM1);
+ __raw_writel(regval, EMIF4_SDRAM_TIM1_SHDW);
+
+ regval = (EMIF4_TIM2_T_CKE | (EMIF4_TIM2_T_RTP << 3) |
+ (EMIF4_TIM2_T_XSRD << 6) | (EMIF4_TIM2_T_XSNR << 16) |
+ (EMIF4_TIM2_T_ODT << 25) | (EMIF4_TIM2_T_XP << 28));
+ __raw_writel(regval, EMIF4_SDRAM_TIM2);
+ __raw_writel(regval, EMIF4_SDRAM_TIM2_SHDW);
+
+ regval = (EMIF4_TIM3_T_RAS_MAX | (EMIF4_TIM3_T_RFC << 4) |
+ (EMIF4_TIM3_T_TDQSCKMAX << 13));
+ __raw_writel(regval, EMIF4_SDRAM_TIM3);
+ __raw_writel(regval, EMIF4_SDRAM_TIM3_SHDW);
+
+ /* Set the PWR control register */
+ regval = (EMIF4_PWR_PM_TIM | (EMIF4_PWR_PM_EN << 8) |
+ (EMIF4_PWR_DPD_EN << 10) | (EMIF4_PWR_IDLE << 30));
+ __raw_writel(regval, EMIF4_PWR_MGT_CTRL);
+ __raw_writel(regval, EMIF4_PWR_MGT_CTRL_SHDW);
+
+ /* Set the DDR refresh rate control register */
+ regval = (EMIF4_REFRESH_RATE | (EMIF4_PASR << 24) |
+ (EMIF4_INITREF_DIS << 31));
+ __raw_writel(regval, EMIF4_SDRAM_RFCR);
+ __raw_writel(regval, EMIF4_SDRAM_RFCR_SHDW);
+
+ /* set the SDRAM configuration register */
+ regval = (EMIF4_CFG_PGSIZE | (EMIF4_CFG_EBANK << 3) |
+ (EMIF4_CFG_IBANK << 4) | (EMIF4_CFG_ROWSIZE << 7) |
+ (EMIF4_CFG_CL << 10) | (EMIF4_CFG_NARROW_MD << 14) |
+ (EMIF4_CFG_CWL << 16) | (EMIF4_CFG_SDR_DRV << 18) |
+ (EMIF4_CFG_DDR_DIS_DLL << 20) | (EMIF4_CFG_DYN_ODT << 21) |
+ (EMIF4_CFG_DDR2_DDQS << 23) | (EMIF4_CFG_DDR_TERM << 24) |
+ (EMIF4_CFG_IBANK_POS << 27) | (EMIF4_CFG_SDRAM_TYP << 29));
+ __raw_writel(regval, EMIF4_SDRAM_CFG);
+}
+
+/*************************************************************
+ * get_sys_clk_speed - determine reference oscillator speed
+ * based on known 32kHz clock and gptimer.
+ *************************************************************/
+u32 get_osc_clk_speed(void)
+{
+ u32 start, cstart, cend, cdiff, cdiv, val;
+
+ val = __raw_readl(PRM_CLKSRC_CTRL);
+
+ if (val & SYSCLKDIV_2)
+ cdiv = 2;
+ else
+ cdiv = 1;
+
+ /* enable timer2 */
+ val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
+ __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
+
+ /* Enable I and F Clocks for GPT1 */
+ val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
+ __raw_writel(val, CM_ICLKEN_WKUP);
+ val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
+ __raw_writel(val, CM_FCLKEN_WKUP);
+
+ __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
+ __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
+ /* enable 32kHz source */
+ /* enabled out of reset */
+ /* determine sys_clk via gauging */
+
+ start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
+ while (__raw_readl(S32K_CR) < start) ; /* dead loop till start time */
+ cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
+ while (__raw_readl(S32K_CR) < (start + 20)) ; /* wait for 40 cycles */
+ cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
+ cdiff = cend - cstart; /* get elapsed ticks */
+ cdiff *= cdiv;
+
+ /* based on number of ticks assign speed */
+ if (cdiff > 19000)
+ return S38_4M;
+ else if (cdiff > 15200)
+ return S26M;
+ else if (cdiff > 13000)
+ return S24M;
+ else if (cdiff > 9000)
+ return S19_2M;
+ else if (cdiff > 7600)
+ return S13M;
+ else
+ return S12M;
+}
+
+/******************************************************************************
+ * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
+ * -- input oscillator clock frequency.
+ *
+ *****************************************************************************/
+void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
+{
+ if(osc_clk == S38_4M)
+ *sys_clkin_sel= 4;
+ else if(osc_clk == S26M)
+ *sys_clkin_sel = 3;
+ else if(osc_clk == S19_2M)
+ *sys_clkin_sel = 2;
+ else if(osc_clk == S13M)
+ *sys_clkin_sel = 1;
+ else if(osc_clk == S12M)
+ *sys_clkin_sel = 0;
+}
+
+/******************************************************************************
+ * prcm_init() - inits clocks for PRCM as defined in clocks.h
+ * -- called from SRAM, or Flash (using temp SRAM stack).
+ *****************************************************************************/
+void prcm_init(void)
+{
+ u32 osc_clk=0, sys_clkin_sel;
+ dpll_param *dpll_param_p;
+ u32 clk_index, sil_index;
+
+ /* Gauge the input clock speed and find out the sys_clkin_sel
+ * value corresponding to the input clock.
+ */
+ osc_clk = S26M; //get_osc_clk_speed();
+ get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
+
+ sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
+
+ /* If the input clock is greater than 19.2M always divide/2 */
+ if(sys_clkin_sel > 2) {
+ sr32(PRM_CLKSRC_CTRL, 6, 2, 2);/* input clock divider */
+ clk_index = sys_clkin_sel/2;
+ } else {
+ sr32(PRM_CLKSRC_CTRL, 6, 2, 1);/* input clock divider */
+ clk_index = sys_clkin_sel;
+ }
+
+ sr32(PRM_CLKSRC_CTRL, 0, 2, 0);/* Bypass mode: T2 inputs a square clk*/
+
+ /* The DPLL tables are defined according to sysclk value and
+ * silicon revision. The clk_index value will be used to get
+ * the values for that input sysclk from the DPLL param table
+ * and sil_index will get the values for that SysClk for the
+ * appropriate silicon rev.
+ */
+ sil_index = get_cpu_rev() - 1;
+
+ /* Unlock MPU DPLL (slows things down, and needed later) */
+ sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
+ wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
+
+ /* Getting the base address of Core DPLL param table*/
+ dpll_param_p = (dpll_param *)get_core_dpll_param();
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 2*clk_index + sil_index;
+ /* CORE DPLL */
+ /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
+ sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
+ wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
+ sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
+ sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
+ sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
+ sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
+ sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
+ sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
+ sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
+ sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
+ sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
+ sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
+ wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
+
+ /* Getting the base address to PER DPLL param table*/
+ dpll_param_p = (dpll_param *)get_per_dpll_param();
+ /* Moving it to the right sysclk base */
+ dpll_param_p = dpll_param_p + clk_index;
+ /* PER DPLL */
+ sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
+ wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
+ sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
+ sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
+ sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
+ sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
+ sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
+ sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
+ sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
+ sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel);/* FREQSEL */
+ sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
+ wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
+
+ /* Getting the base address to MPU DPLL param table*/
+ dpll_param_p = (dpll_param *)get_mpu_dpll_param();
+ /* Moving it to the right sysclk and ES rev base */
+ dpll_param_p = dpll_param_p + 2*clk_index + sil_index;
+ /* MPU DPLL (unlocked already) */
+ sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
+ sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
+ sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
+ sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
+ sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
+ wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
+
+ /* Set up GPTimers to sys_clk source only */
+ sr32(CM_CLKSEL_PER, 0, 8, 0xff);
+ sr32(CM_CLKSEL_WKUP, 0, 1, 1);
+
+ delay(5000);
+}
+
+/*****************************************
+ * Routine: secure_unlock
+ * Description: Setup security registers for access
+ * (GP Device only)
+ *****************************************/
+void secure_unlock(void)
+{
+ /* Permission values for registers
+ -Full fledged permissions to all */
+ #define UNLOCK_1 0xFFFFFFFF
+ #define UNLOCK_2 0x00000000
+ #define UNLOCK_3 0x0000FFFF
+ /* Protection Module Register Target APE (PM_RT)*/
+ __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1);
+ __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0);
+ __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0);
+ __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1);
+
+ __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0);
+ __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0);
+ __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0);
+
+ __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0);
+ __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0);
+ __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0);
+ __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2);
+
+ /* IVA Changes */
+ __raw_writel(UNLOCK_3, IVA2_REQ_INFO_PERMISSION_0);
+ __raw_writel(UNLOCK_3, IVA2_READ_PERMISSION_0);
+ __raw_writel(UNLOCK_3, IVA2_WRITE_PERMISSION_0);
+
+ __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */
+}
+
+/**********************************************************
+ * Routine: try_unlock_sram()
+ * Description: If chip is GP type, unlock the SRAM for
+ * general use.
+ ***********************************************************/
+void try_unlock_memory(void)
+{
+ int mode;
+
+ /* if GP device unlock device SRAM for general use */
+ /* secure code breaks for Secure/Emulation device - HS/E/T*/
+ mode = get_device_type();
+ if (mode == GP_DEVICE) {
+ secure_unlock();
+ }
+ return;
+}
+
+/**********************************************************
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called at time when only stack is available.
+ **********************************************************/
+
+void s_init(void)
+{
+ watchdog_init();
+#ifdef CONFIG_3430_AS_3410
+ /* setup the scalability control register for
+ * 3430 to work in 3410 mode
+ */
+ __raw_writel(0x5ABF,CONTROL_SCALABLE_OMAP_OCP);
+#endif
+ try_unlock_memory();
+ set_muxconf_regs();
+ delay(100);
+ prcm_init();
+ per_clocks_enable();
+
+ /* enable the DDRPHY clk */
+ sr32((OMAP34XX_CTRL_BASE + 0x588), 15, 15, 0x1);
+ /* enable the EMIF4 clk */
+ sr32((OMAP34XX_CTRL_BASE + 0x588), 14, 14, 0x1);
+ /* Enable the peripheral clocks */
+ sr32((OMAP34XX_CTRL_BASE + 0x59C), 0, 4, 0xF);
+ sr32((OMAP34XX_CTRL_BASE + 0x59C), 8, 10, 0x7);
+
+ /* bring cpgmac out of reset */
+ sr32((OMAP34XX_CTRL_BASE + 0x598), 1, 1, 0x1);
+
+ /* Configure the EMIF4 for our DDR */
+ config_emif4_ddr();
+}
+
+/*******************************************************
+ * Routine: misc_init_r
+ * Description: Init ethernet (done here so udelay works)
+ ********************************************************/
+int misc_init_r (void)
+{
+ return(0);
+}
+
+/******************************************************
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ ******************************************************/
+void wait_for_command_complete(unsigned int wd_base)
+{
+ int pending = 1;
+ do {
+ pending = __raw_readl(wd_base + WWPS);
+ } while (pending);
+}
+
+/****************************************
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ *****************************************/
+void watchdog_init(void)
+{
+ /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
+ * either taken care of by ROM (HS/EMU) or not accessible (GP).
+ * We need to take care of WD2-MPU or take a PRCM reset. WD3
+ * should not be running and does not generate a PRCM reset.
+ */
+ sr32(CM_FCLKEN_WKUP, 5, 1, 1);
+ sr32(CM_ICLKEN_WKUP, 5, 1, 1);
+ wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
+
+ __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
+ wait_for_command_complete(WD2_BASE);
+ __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
+}
+
+/**********************************************
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ **********************************************/
+int dram_init (void)
+{
+ return 0;
+}
+
+/*****************************************************************
+ * Routine: peripheral_enable
+ * Description: Enable the clks & power for perifs (GPT2, UART1,...)
+ ******************************************************************/
+void per_clocks_enable(void)
+{
+ /* Enable GP2 timer. */
+ sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
+ sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
+ sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
+
+#ifdef CFG_NS16550
+ /* Enable UART1 clocks */
+ sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
+ sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
+
+ /* Enable UART2 clocks */
+ sr32(CM_FCLKEN1_CORE, 14, 1, 0x1);
+ sr32(CM_ICLKEN1_CORE, 14, 1, 0x1);
+
+ /* Enable UART2 clocks */
+ sr32(CM_FCLKEN_PER, 11, 1, 0x1);
+ sr32(CM_ICLKEN_PER, 11, 1, 0x1);
+#endif
+ /* Enable MMC1 clocks */
+ sr32(CM_FCLKEN1_CORE, 24, 1, 0x1);
+ sr32(CM_ICLKEN1_CORE, 24, 1, 0x1);
+
+ /* Enable MMC2 clocks */
+ sr32(CM_FCLKEN1_CORE, 25, 1, 0x1);
+ sr32(CM_ICLKEN1_CORE, 25, 1, 0x1);
+
+ delay(1000);
+}
+
+/* Set MUX for UART, GPMC, SDRC, GPIO */
+
+#define MUX_VAL(OFFSET,VALUE)\
+ __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
+
+#define CP(x) (CONTROL_PADCONF_##x)
+/*
+ * IEN - Input Enable
+ * IDIS - Input Disable
+ * PTD - Pull type Down
+ * PTU - Pull type Up
+ * DIS - Pull type selection is inactive
+ * EN - Pull type selection is active
+ * M0 - Mode 0
+ * The commented string gives the final mux configuration for that pin
+ */
+#define MUX_DEFAULT()\
+ MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
+ MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
+ MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
+ MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
+ MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
+ MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
+ MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
+ MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
+ MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
+ MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
+ MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
+ MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
+ MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
+ MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
+ MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
+ MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
+ MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
+ MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
+ MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
+ MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
+ MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
+ MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
+ MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
+ MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
+ MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
+ MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
+ MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
+ MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
+ MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
+ MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
+ MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
+ MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
+ MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
+ MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
+ MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
+ MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
+ MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
+ MUX_VAL(CP(sdrc_cke0), (M0)) /*SDRC_CKE0*/\
+ MUX_VAL(CP(sdrc_cke1), (M0)) /*SDRC_CKE1*/\
+ MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
+ MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
+ MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
+ MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
+ MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
+ MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
+ MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
+ MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
+ MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
+ MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
+ MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
+ MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
+ MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
+ MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
+ MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
+ MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
+ MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
+ MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
+ MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
+ MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
+ MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
+ MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
+ MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
+ MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
+ MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
+ MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
+ MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
+ MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
+ MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
+ MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
+ MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
+ MUX_VAL(CP(GPMC_nCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
+ MUX_VAL(CP(GPMC_nCS6), (IDIS | PTD | EN | M4)) /*GPMC_nCS6*/\
+ MUX_VAL(CP(GPMC_nCS7), (IDIS | PTD | EN | M4)) /*GPMC_nCS7*/\
+ MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
+ MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
+ MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
+ MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
+ MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
+ MUX_VAL(CP(GPMC_nBE1), (IDIS | PTD | DIS | M4)) /*GPIO_61*/\
+ MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
+ MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
+ MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
+ MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
+ MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)) /*GPIO_65*/\
+ MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
+ MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
+ MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
+ MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
+ MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
+ MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
+ MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\
+ MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\
+ MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
+ MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)) /*UART3_TX*/\
+ MUX_VAL(CP(UART3_RTS_SD), (IEN | PTD | EN | M4)) /*UART3_RTS*/\
+ MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTU | DIS | M0)) /*UART3_CTS*/\
+ MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)) /*UART3_RX*/\
+ /*Expansion card */\
+ MUX_VAL(CP(MMC1_CLK), (IEN | PTU | EN | M0)) /*MMC1_CLK*/\
+ MUX_VAL(CP(MMC1_CMD), (IEN | PTU | DIS | M0)) /*MMC1_CMD*/\
+ MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | DIS | M0)) /*MMC1_DAT0*/\
+ MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | DIS | M0)) /*MMC1_DAT1*/\
+ MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | DIS | M0)) /*MMC1_DAT2*/\
+ MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | DIS | M0)) /*MMC1_DAT3*/\
+ MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | DIS | M0)) /*MMC1_DAT4*/\
+ MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | DIS | M0)) /*MMC1_DAT5*/\
+ MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | DIS | M0)) /*MMC1_DAT6*/\
+ MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | DIS | M0)) /*MMC1_DAT7*/\
+ MUX_VAL(CP(MMC2_CLK), (IEN | PTU | EN | M0)) /*MMC1_CLK*/\
+ MUX_VAL(CP(MMC2_CMD), (IEN | PTU | DIS | M0)) /*MMC1_CMD*/\
+ MUX_VAL(CP(MMC2_DAT0), (IEN | PTU | DIS | M0)) /*MMC1_DAT0*/\
+ MUX_VAL(CP(MMC2_DAT1), (IEN | PTU | DIS | M0)) /*MMC1_DAT1*/\
+ MUX_VAL(CP(MMC2_DAT2), (IEN | PTU | DIS | M0)) /*MMC1_DAT2*/\
+ MUX_VAL(CP(MMC2_DAT3), (IEN | PTU | DIS | M0)) /*MMC1_DAT3*/\
+ MUX_VAL(CP(MMC2_DAT4), (IEN | PTU | DIS | M0)) /*MMC1_DAT4*/\
+ MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
+ MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
+ MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
+ MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
+ MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
+ MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
+ MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
+ MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
+ MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
+ MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
+ MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
+ MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
+ MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
+ MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
+ MUX_VAL(CP(JTAG_EMU0), (IDIS | PTD | EN | M4)) /*JTAG_EMU0*/\
+ MUX_VAL(CP(JTAG_EMU1), (IDIS | PTD | EN | M4)) /*JTAG_EMU1*/\
+ MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
+ MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
+ MUX_VAL(CP(ETK_D0 ), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
+ MUX_VAL(CP(ETK_D1 ), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
+ MUX_VAL(CP(ETK_D2 ), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
+ MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\
+ MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
+ MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
+ MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
+ MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
+ MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/
+
+/**********************************************************
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers
+ * specific to the hardware. Many pins need
+ * to be moved from protect to primary mode.
+ *********************************************************/
+void set_muxconf_regs(void)
+{
+ MUX_DEFAULT();
+}
+
+/**********************************************************
+ * Routine: nand+_init
+ * Description: Set up nand for nand and jffs2 commands
+ *********************************************************/
+
+int nand_init(void)
+{
+ /* global settings */
+ __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
+ __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
+ __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
+
+ /* Set the GPMC Vals . For NAND boot on 3430SDP, NAND is mapped at CS0
+ * , NOR at CS1 and MPDB at CS3. And oneNAND boot, we map oneNAND at CS0.
+ * We configure only GPMC CS0 with required values. Configiring other devices
+ * at other CS in done in u-boot anyway. So we don't have to bother doing it here.
+ */
+
+#if CONFIG_NAND_BUS_WIDTH == 16
+ __raw_writel((__raw_readl(GPMC_CONFIG1 + GPMC_CONFIG_CS0)&~0x3000)|0x1000, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
+#else
+ __raw_writel((__raw_readl(GPMC_CONFIG1 + GPMC_CONFIG_CS0)&~0x3000), GPMC_CONFIG1 + GPMC_CONFIG_CS0);
+#endif
+
+ __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
+ delay(1000);
+
+ if ((get_mem_type() == GPMC_NAND) || (get_mem_type() == MMC_NAND)){
+ __raw_writel( M_NAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
+ __raw_writel( M_NAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
+ __raw_writel( M_NAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
+ __raw_writel( M_NAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
+ __raw_writel( M_NAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
+ __raw_writel( M_NAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
+
+ /* Enable the GPMC Mapping */
+ __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
+ ((NAND_BASE_ADR>>24) & 0x3F) |
+ (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
+ delay(2000);
+
+ if (nand_chip()){
+#ifdef CFG_PRINTF
+ printf("Unsupported Chip!\n");
+#endif
+#ifdef CONFIG_MMC
+ return 0;
+#else
+ return 1;
+#endif
+ }
+
+ }
+/* One NAND disabled for now */
+#if 0
+ if ((get_mem_type() == GPMC_ONENAND) || (get_mem_type() == MMC_ONENAND)){
+ __raw_writel( ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
+ __raw_writel( ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
+ __raw_writel( ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
+ __raw_writel( ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
+ __raw_writel( ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
+ __raw_writel( ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
+
+ /* Enable the GPMC Mapping */
+ __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
+ ((ONENAND_BASE>>24) & 0x3F) |
+ (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
+ delay(2000);
+
+ if (onenand_chip()){
+#ifdef CFG_PRINTF
+ printf("OneNAND Unsupported !\n");
+#endif
+ return 1;
+ }
+ }
+#endif
+ return 0;
+}
+
+typedef int (mmc_boot_addr) (void);
+int mmc_boot(unsigned char *buf)
+{
+
+ long size = 0;
+#ifdef CFG_CMD_FAT
+ block_dev_desc_t *dev_desc = NULL;
+ unsigned char ret = 0;
+
+ printf("Starting X-loader on MMC \n");
+
+ ret = mmc_init(1);
+ if(ret == 0){
+ printf("\n MMC init failed \n");
+ return 0;
+ }
+
+ dev_desc = mmc_get_dev(0);
+ fat_register_device(dev_desc, 1);
+ size = file_fat_read("u-boot.bin", buf, 0);
+ if (size == -1) {
+ return 0;
+ }
+ printf("\n%ld Bytes Read from MMC \n", size);
+
+ printf("Starting OS Bootloader from MMC...\n");
+#endif
+
+ return size;
+}
+
+/* optionally do something like blinking LED */
+void board_hang(void)
+{ while (1); }
+
+/******************************************************************************
+ * Dummy function to handle errors for EABI incompatibility
+ *****************************************************************************/
+void raise(void)
+{
+}
+
+/******************************************************************************
+ * Dummy function to handle errors for EABI incompatibility
+ *****************************************************************************/
+void abort(void)
+{
+}
git.openpandora.org / pandora-x-loader.git / commitdiff