powerpc: p1_p2_rdb_pc: add TPL for p1_p2_rdb_pc nand boot

Enable TPL for p1_p2_rdb_pc nand boot.

Signed-off-by: Ying Zhang <b40530@freescale.com>

3 files changed, 27 insertions, 79 deletions

diff --git a/board/freescale/p1_p2_rdb_pc/spl.c b/board/freescale/p1_p2_rdb_pc/spl.c
index 07fab46..9bb0716 100644
--- a/board/freescale/p1_p2_rdb_pc/spl.c
+++ b/board/freescale/p1_p2_rdb_pc/spl.c
@@ -83,12 +83,21 @@ void board_init_r(gd_t *gd, ulong dest_addr)
 	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
 			CONFIG_SPL_RELOC_MALLOC_SIZE);
 
+#ifndef CONFIG_SPL_NAND_BOOT
 	env_init();
+#endif
 #ifdef CONFIG_SPL_MMC_BOOT
 	mmc_initialize(bd);
 #endif
 	/* relocate environment function pointers etc. */
+#ifdef CONFIG_SPL_NAND_BOOT
+	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			    (uchar *)CONFIG_ENV_ADDR);
+	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
+	gd->env_valid = 1;
+#else
 	env_relocate();
+#endif
 
 #ifdef CONFIG_SYS_I2C
 	i2c_init_all();
@@ -97,11 +106,17 @@ void board_init_r(gd_t *gd, ulong dest_addr)
 #endif
 
 	gd->ram_size = initdram(0);
+#ifdef CONFIG_SPL_NAND_BOOT
+	puts("Tertiary program loader running in sram...");
+#else
 	puts("Second program loader running in sram...\n");
+#endif
 
 #ifdef CONFIG_SPL_MMC_BOOT
 	mmc_boot();
 #elif defined(CONFIG_SPL_SPI_BOOT)
 	spi_boot();
+#elif defined(CONFIG_SPL_NAND_BOOT)
+	nand_boot();
 #endif
 }
diff --git a/board/freescale/p1_p2_rdb_pc/spl_minimal.c b/board/freescale/p1_p2_rdb_pc/spl_minimal.c
index ac07572..adfa7b1 100644
--- a/board/freescale/p1_p2_rdb_pc/spl_minimal.c
+++ b/board/freescale/p1_p2_rdb_pc/spl_minimal.c
@@ -15,59 +15,14 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifndef CONFIG_SYS_INIT_L2_ADDR
-/*
- * Fixed sdram init -- doesn't use serial presence detect.
- */
-static void sdram_init(void)
-{
-	ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR;
-
-	__raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds);
-	__raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config);
-#if CONFIG_CHIP_SELECTS_PER_CTRL > 1
-	__raw_writel(CONFIG_SYS_DDR_CS1_BNDS, &ddr->cs1_bnds);
-	__raw_writel(CONFIG_SYS_DDR_CS1_CONFIG, &ddr->cs1_config);
-#endif
-	__raw_writel(CONFIG_SYS_DDR_TIMING_3, &ddr->timing_cfg_3);
-	__raw_writel(CONFIG_SYS_DDR_TIMING_0, &ddr->timing_cfg_0);
-	__raw_writel(CONFIG_SYS_DDR_TIMING_1, &ddr->timing_cfg_1);
-	__raw_writel(CONFIG_SYS_DDR_TIMING_2, &ddr->timing_cfg_2);
-
-	__raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2);
-	__raw_writel(CONFIG_SYS_DDR_MODE_1, &ddr->sdram_mode);
-	__raw_writel(CONFIG_SYS_DDR_MODE_2, &ddr->sdram_mode_2);
-
-	__raw_writel(CONFIG_SYS_DDR_INTERVAL, &ddr->sdram_interval);
-	__raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init);
-	__raw_writel(CONFIG_SYS_DDR_CLK_CTRL, &ddr->sdram_clk_cntl);
-
-	__raw_writel(CONFIG_SYS_DDR_TIMING_4, &ddr->timing_cfg_4);
-	__raw_writel(CONFIG_SYS_DDR_TIMING_5, &ddr->timing_cfg_5);
-	__raw_writel(CONFIG_SYS_DDR_ZQ_CONTROL, &ddr->ddr_zq_cntl);
-	__raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL, &ddr->ddr_wrlvl_cntl);
-
-	/* Set, but do not enable the memory */
-	__raw_writel(CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN, &ddr->sdram_cfg);
-
-	asm volatile("sync;isync");
-	udelay(500);
-
-	/* Let the controller go */
-	out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN);
-
-	set_next_law(0, CONFIG_SYS_SDRAM_SIZE_LAW, LAW_TRGT_IF_DDR_1);
-}
-#endif
-
 void board_init_f(ulong bootflag)
 {
 	u32 plat_ratio;
 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
-#ifndef CONFIG_QE
-	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
-#elif defined(CONFIG_P1021RDB)
-	par_io_t *par_io = (par_io_t *)&(gur->qe_par_io);
+
+#if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM)
+	set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM);
+	set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM);
 #endif
 
 	/* initialize selected port with appropriate baud rate */
@@ -80,35 +35,6 @@ void board_init_f(ulong bootflag)
 
 	puts("\nNAND boot... ");
 
-#ifndef CONFIG_QE
-	/* init DDR3 reset signal */
-	__raw_writel(0x02000000, &pgpio->gpdir);
-	__raw_writel(0x00200000, &pgpio->gpodr);
-	__raw_writel(0x00000000, &pgpio->gpdat);
-	udelay(1000);
-	__raw_writel(0x00200000, &pgpio->gpdat);
-	udelay(1000);
-	__raw_writel(0x00000000, &pgpio->gpdir);
-#elif defined(CONFIG_P1021RDB)
-	/* init DDR3 reset signal CE_PB8 */
-	out_be32(&par_io[1].cpdir1, 0x00004000);
-	out_be32(&par_io[1].cpodr, 0x00800000);
-	out_be32(&par_io[1].cppar1, 0x00000000);
-	/* reset DDR3 */
-	out_be32(&par_io[1].cpdat, 0x00800000);
-	udelay(1000);
-	out_be32(&par_io[1].cpdat, 0x00000000);
-	udelay(1000);
-	out_be32(&par_io[1].cpdat, 0x00800000);
-	/* disable the CE_PB8 */
-	out_be32(&par_io[1].cpdir1, 0x00000000);
-#endif
-
-#ifndef CONFIG_SYS_INIT_L2_ADDR
-	/* Initialize the DDR3 */
-	sdram_init();
-#endif
-
 	/* copy code to RAM and jump to it - this should not return */
 	/* NOTE - code has to be copied out of NAND buffer before
 	 * other blocks can be read.
@@ -118,6 +44,7 @@ void board_init_f(ulong bootflag)
 
 void board_init_r(gd_t *gd, ulong dest_addr)
 {
+	puts("\nSecond program loader running in sram...");
 	nand_boot();
 }
 
diff --git a/board/freescale/p1_p2_rdb_pc/tlb.c b/board/freescale/p1_p2_rdb_pc/tlb.c
index d6afa7b..1c0008b 100644
--- a/board/freescale/p1_p2_rdb_pc/tlb.c
+++ b/board/freescale/p1_p2_rdb_pc/tlb.c
@@ -98,7 +98,13 @@ struct fsl_e_tlb_entry tlb_table[] = {
 	/* *I*G - L2SRAM */
 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
-		      0, 11, BOOKE_PAGESZ_256K, 1)
+		      0, 11, BOOKE_PAGESZ_256K, 1),
+#if CONFIG_SYS_L2_SIZE >= (256 << 10)
+	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
+		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 12, BOOKE_PAGESZ_256K, 1)
+#endif
 #endif
 };