X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ffreescale%2Fmpc5121ads%2Fmpc5121ads.c;h=8cc68530e6186ee3946830f9e811a469e3d75312;hb=14d0a02a168b36e87665b8d7f42fa3e88263d26d;hp=ec74fd35d2d24d655ae7b84fc30609a0d8d11165;hpb=229549a56d9ae413c00f64fd7c728c6879a1b54b;p=u-boot diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c index ec74fd35d2..8cc68530e6 100644 --- a/board/freescale/mpc5121ads/mpc5121ads.c +++ b/board/freescale/mpc5121ads/mpc5121ads.c @@ -26,19 +26,18 @@ #include #include #include +#include #include #ifdef CONFIG_MISC_INIT_R #include #endif +#include #include #include DECLARE_GLOBAL_DATA_PTR; -extern int mpc5121_diu_init(void); -extern void ide_set_reset(int idereset); - /* Clocks in use */ #define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \ CLOCK_SCCR1_DDR_EN | \ @@ -56,10 +55,6 @@ extern void ide_set_reset(int idereset); CLOCK_SCCR2_MEM_EN | \ CLOCK_SCCR2_SPDIF_EN) -#define CSAW_START(start) ((start) & 0xFFFF0000) -#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) - -long int fixed_sdram(void); void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip); /* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */ @@ -84,10 +79,10 @@ void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip) out_8(csreg, v); } -int board_early_init_f (void) +int board_early_init_f(void) { volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; - u32 lpcaw, spridr; + u32 spridr; /* * Initialize Local Window for the CPLD registers access (CS2 selects @@ -98,14 +93,7 @@ int board_early_init_f (void) CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE) ); out_be32(&im->lpc.cs_cfg[2], CONFIG_SYS_CS2_CFG); - - /* - * According to MPC5121e RM, configuring local access windows should - * be followed by a dummy read of the config register that was - * modified last and an isync - */ - lpcaw = in_be32(&im->sysconf.lpcs6aw); - __asm__ __volatile__ ("isync"); + sync_law(&im->sysconf.lpcs2aw); /* * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control @@ -114,7 +102,7 @@ int board_early_init_f (void) * write commands in order to establish the device ID. */ -#ifdef CONFIG_ADS5121_REV2 +#ifdef CONFIG_MPC5121ADS_REV2 out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1); #else if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) { @@ -146,104 +134,105 @@ int board_early_init_f (void) return 0; } -phys_size_t initdram (int board_type) -{ - u32 msize = 0; +int is_micron(void){ - msize = fixed_sdram (); + ushort brd_rev = *(vu_short *)(CONFIG_SYS_CPLD_BASE + 0x00); + uchar macaddr[6]; + u32 brddate, macchk, ismicron; - return msize; + /* + * MAC address has serial number with date of manufacture + * Boards made before Nov-08 #1180 use Micron memory; + * 001e59 is the STx vendor # + * Default is Elpida since it works for both but is slightly slower + */ + ismicron = 0; + if (brd_rev >= 0x0400 && eth_getenv_enetaddr("ethaddr", macaddr)) { + brddate = (macaddr[3] << 16) + (macaddr[4] << 8) + macaddr[5]; + macchk = (macaddr[0] << 16) + (macaddr[1] << 8) + macaddr[2]; + debug("brddate = %d\n\t", brddate); + + if (macchk == 0x001e59 && brddate <= 8111180) + ismicron = 1; + } else if (brd_rev < 0x400) { + ismicron = 1; + } + debug("Using %s Memory settings\n\t", + ismicron ? "Micron" : "Elpida"); + return(ismicron); } -/* - * fixed sdram init -- the board doesn't use memory modules that have serial presence - * detect or similar mechanism for discovery of the DRAM settings - */ -long int fixed_sdram (void) +phys_size_t initdram(int board_type) { - volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; - u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024; - u32 msize_log2 = __ilog2 (msize); - u32 i; - - /* Initialize IO Control */ - out_be32 (&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR); - - /* Initialize DDR Local Window */ - out_be32 (&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000); - out_be32 (&im->sysconf.ddrlaw.ar, msize_log2 - 1); - + u32 msize = 0; /* - * According to MPC5121e RM, configuring local access windows should - * be followed by a dummy read of the config register that was - * modified last and an isync + * Elpida MDDRC and initialization settings are an alternative + * to the Default Micron ones for all but the earliest Rev 4 boards */ - in_be32(&im->sysconf.ddrlaw.ar); - __asm__ __volatile__ ("isync"); - - /* Enable DDR */ - out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN); - - /* Initialize DDR Priority Manager */ - out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1); - out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2); - out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG); - out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU); - out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML); - out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU); - out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML); - out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU); - out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML); - out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU); - out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML); - out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU); - out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML); - out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU); - out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL); - out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU); - out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL); - out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU); - out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL); - out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU); - out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL); - out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU); - out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL); - - /* Initialize MDDRC */ - out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG); - out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0); - out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1); - out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2); - - /* Initialize DDR */ - for (i = 0; i < 10; i++) - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL); - out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP); - - /* Start MDDRC */ - out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN); - out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN); + ddr512x_config_t elpida_mddrc_config = { + .ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_ELPIDA, + .ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0, + .ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1_ELPIDA, + .ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2_ELPIDA, + }; + + u32 elpida_init_sequence[] = { + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_PCHG_ALL, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_RFSH, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_RFSH, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_EM2, + CONFIG_SYS_DDRCMD_EM3, + CONFIG_SYS_DDRCMD_EN_DLL, + CONFIG_SYS_ELPIDA_RES_DLL, + CONFIG_SYS_DDRCMD_PCHG_ALL, + CONFIG_SYS_DDRCMD_RFSH, + CONFIG_SYS_DDRCMD_RFSH, + CONFIG_SYS_DDRCMD_RFSH, + CONFIG_SYS_ELPIDA_INIT_DEV_OP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_OCD_DEFAULT, + CONFIG_SYS_ELPIDA_OCD_EXIT, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP, + CONFIG_SYS_DDRCMD_NOP + }; + + if (is_micron()) { + msize = fixed_sdram(NULL, NULL, 0); + } else { + msize = fixed_sdram(&elpida_mddrc_config, + elpida_init_sequence, + sizeof(elpida_init_sequence)/sizeof(u32)); + } return msize; } @@ -271,11 +260,6 @@ int misc_init_r(void) i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val)); debug("DVI Encoder Read: 0x%02lx\n", tmp_val); -#ifdef CONFIG_FSL_DIU_FB -# if !(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)) - mpc5121_diu_init(); -# endif -#endif return 0; } @@ -345,7 +329,7 @@ int checkboard (void) volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; u32 spridr = in_be32(&im->sysconf.spridr); - printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n", + printf ("Board: MPC5121ADS rev. 0x%04x (CPLD rev. 0x%02x)\n", brd_rev, cpld_rev); /* initialize function mux & slew rate IO inter alia on IO Pins */ @@ -361,6 +345,5 @@ int checkboard (void) void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); - fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */