board/p1010rdb:Add NAND boot support using new SPL format
- defines constants
- Add spl_minimal.c to initialise DDR
- update TLB entries as per NAND boot
- remove nand_spl support for P1010RDB
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/p1010rdb/Makefile b/board/freescale/p1010rdb/Makefile
index 4c705b6..e6563be 100644
--- a/board/freescale/p1010rdb/Makefile
+++ b/board/freescale/p1010rdb/Makefile
@@ -24,11 +24,27 @@
LIB = $(obj)lib$(BOARD).o
+MINIMAL=
+
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_SPL_INIT_MINIMAL
+MINIMAL=y
+endif
+endif
+
+ifdef MINIMAL
+
+COBJS-y += spl_minimal.o tlb.o law.o
+
+else
+
COBJS-y += $(BOARD).o
COBJS-y += ddr.o
COBJS-y += law.o
COBJS-y += tlb.o
+endif
+
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS))
diff --git a/board/freescale/p1010rdb/spl_minimal.c b/board/freescale/p1010rdb/spl_minimal.c
new file mode 100644
index 0000000..c909e0e
--- /dev/null
+++ b/board/freescale/p1010rdb/spl_minimal.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * 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 <mpc85xx.h>
+#include <asm/io.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_law.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+
+void sdram_init(void)
+{
+ ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ u32 ddr_ratio;
+ unsigned long ddr_freq_mhz;
+
+ ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;
+ ddr_ratio = ddr_ratio >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
+ ddr_freq_mhz = (CONFIG_SYS_CLK_FREQ * ddr_ratio) / 0x1000000;
+
+ /* mask off E bit */
+ u32 svr = SVR_SOC_VER(mfspr(SPRN_SVR));
+
+ __raw_writel(CONFIG_SYS_DDR_CONTROL | SDRAM_CFG_32_BE, &ddr->sdram_cfg);
+ __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds);
+ __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config);
+ __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2);
+ __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init);
+
+ if (ddr_freq_mhz < 700) {
+ __raw_writel(CONFIG_SYS_DDR_TIMING_3_667, &ddr->timing_cfg_3);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_0_667, &ddr->timing_cfg_0);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_1_667, &ddr->timing_cfg_1);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_2_667, &ddr->timing_cfg_2);
+ __raw_writel(CONFIG_SYS_DDR_MODE_1_667, &ddr->sdram_mode);
+ __raw_writel(CONFIG_SYS_DDR_MODE_2_667, &ddr->sdram_mode_2);
+ __raw_writel(CONFIG_SYS_DDR_INTERVAL_667, &ddr->sdram_interval);
+ __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_667, &ddr->sdram_clk_cntl);
+ __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_667, &ddr->ddr_wrlvl_cntl);
+ } else {
+ __raw_writel(CONFIG_SYS_DDR_TIMING_3_800, &ddr->timing_cfg_3);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_0_800, &ddr->timing_cfg_0);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_1_800, &ddr->timing_cfg_1);
+ __raw_writel(CONFIG_SYS_DDR_TIMING_2_800, &ddr->timing_cfg_2);
+ __raw_writel(CONFIG_SYS_DDR_MODE_1_800, &ddr->sdram_mode);
+ __raw_writel(CONFIG_SYS_DDR_MODE_2_800, &ddr->sdram_mode_2);
+ __raw_writel(CONFIG_SYS_DDR_INTERVAL_800, &ddr->sdram_interval);
+ __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_800, &ddr->sdram_clk_cntl);
+ __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_800, &ddr->ddr_wrlvl_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);
+
+ /* P1014 and it's derivatives support max 16bit DDR width */
+ if (svr == SVR_P1014) {
+ __raw_writel(ddr->sdram_cfg & ~SDRAM_CFG_DBW_MASK, &ddr->sdram_cfg);
+ __raw_writel(ddr->sdram_cfg | SDRAM_CFG_16_BE, &ddr->sdram_cfg);
+ /* For CS0_BNDS we divide the start and end address by 2, so we can just
+ * shift the entire register to achieve the desired result and the mask
+ * the value so we don't write reserved fields */
+ __raw_writel((CONFIG_SYS_DDR_CS0_BNDS >> 1) & 0x0fff0fff, &ddr->cs0_bnds);
+ }
+
+ 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(CONFIG_SYS_NAND_DDR_LAW, LAW_SIZE_1G, LAW_TRGT_IF_DDR_1);
+}
+
+void board_init_f(ulong bootflag)
+{
+ u32 plat_ratio;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ /* initialize selected port with appropriate baud rate */
+ plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+ plat_ratio >>= 1;
+ gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
+
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ gd->bus_clk / 16 / CONFIG_BAUDRATE);
+
+ puts("\nNAND boot... ");
+
+ /* Initialize the DDR3 */
+ sdram_init();
+
+ /* 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.
+ */
+
+ relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ nand_boot();
+}
+
+void putc(char c)
+{
+ if (c == '\n')
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
+
+ NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
+}
+
+void puts(const char *str)
+{
+ while (*str)
+ putc(*str++);
+}
diff --git a/board/freescale/p1010rdb/tlb.c b/board/freescale/p1010rdb/tlb.c
index 4256bf4..7a8690a 100644
--- a/board/freescale/p1010rdb/tlb.c
+++ b/board/freescale/p1010rdb/tlb.c
@@ -43,16 +43,16 @@
/* TLB 1 */
/* *I*** - Covers boot page */
- SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
- 0, 0, BOOKE_PAGESZ_4K, 1),
+ SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_8K, 1),
/* *I*G* - CCSRBAR */
SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 1, BOOKE_PAGESZ_1M, 1),
-#ifndef CONFIG_NAND_SPL
+#ifndef CONFIG_SPL_BUILD
#ifndef CONFIG_SDCARD
SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
@@ -64,7 +64,7 @@
0, 3, BOOKE_PAGESZ_16M, 1),
#endif
-#ifdef CONFIG_PCI
+#ifndef CONFIG_PCI
/* *I*G* - PCI */
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -88,7 +88,7 @@
0, 7, BOOKE_PAGESZ_1M, 1),
#endif
-#if defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 8, BOOKE_PAGESZ_1G, 1)