[U-Boot] [PATCH 1/3] powerpc: p1_p2_rdb_pc: Enable p1_p2_rdb_pc to boot from SD Card with SPL
ying.zhang at freescale.com
ying.zhang at freescale.com
Fri Sep 6 11:30:56 CEST 2013
From: Ying Zhang <b40530 at freescale.com>
Enable p1_p2_rdb_pc to start from eSDHC with SPL.
Signed-off-by: Ying Zhang <b40530 at freescale.com>
---
board/freescale/p1_p2_rdb_pc/Makefile | 3 +
board/freescale/p1_p2_rdb_pc/spl.c | 98 +++++++++++++++++++++++++++++++++
board/freescale/p1_p2_rdb_pc/tlb.c | 21 +++----
include/configs/p1_p2_rdb_pc.h | 59 +++++++++++++++-----
4 files changed, 155 insertions(+), 26 deletions(-)
create mode 100644 board/freescale/p1_p2_rdb_pc/spl.c
diff --git a/board/freescale/p1_p2_rdb_pc/Makefile b/board/freescale/p1_p2_rdb_pc/Makefile
index f8d0b35..202b4a5 100644
--- a/board/freescale/p1_p2_rdb_pc/Makefile
+++ b/board/freescale/p1_p2_rdb_pc/Makefile
@@ -21,6 +21,9 @@ ifdef MINIMAL
COBJS-y += spl_minimal.o tlb.o law.o
else
+ifdef CONFIG_SPL_BUILD
+COBJS-y += spl.o
+endif
COBJS-y += $(BOARD).o
COBJS-y += ddr.o
diff --git a/board/freescale/p1_p2_rdb_pc/spl.c b/board/freescale/p1_p2_rdb_pc/spl.c
new file mode 100644
index 0000000..5b8e0ff
--- /dev/null
+++ b/board/freescale/p1_p2_rdb_pc/spl.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <nand.h>
+#include <i2c.h>
+#include <fsl_esdhc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const u32 sysclk_tbl[] = {
+ 66666000, 7499900, 83332500, 8999900,
+ 99999000, 11111000, 12499800, 13333200
+};
+
+ulong get_effective_memsize(void)
+{
+ return CONFIG_SYS_L2_SIZE;
+}
+
+void board_init_f(ulong bootflag)
+{
+ u32 plat_ratio, bus_clk;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ console_init_f();
+
+ /* Set pmuxcr to allow both i2c1 and i2c2 */
+ setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000);
+ setbits_be32(&gur->pmuxcr,
+ in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA);
+
+ /* Read back the register to synchronize the write. */
+ in_be32(&gur->pmuxcr);
+
+ /* initialize selected port with appropriate baud rate */
+ plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+ plat_ratio >>= 1;
+ bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
+ gd->bus_clk = bus_clk;
+
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ bus_clk / 16 / CONFIG_BAUDRATE);
+#ifdef CONFIG_SPL_MMC_BOOT
+ puts("\nSD boot...\n");
+#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.
+ */
+ relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *)CONFIG_SPL_GD_ADDR;
+ bd_t *bd;
+
+ memset(gd, 0, sizeof(gd_t));
+ bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
+ memset(bd, 0, sizeof(bd_t));
+ gd->bd = bd;
+ bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
+ bd->bi_memsize = CONFIG_SYS_L2_SIZE;
+
+ probecpu();
+ get_clocks();
+ mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
+ CONFIG_SPL_RELOC_MALLOC_SIZE);
+
+ env_init();
+#ifdef CONFIG_SPL_MMC_BOOT
+ mmc_initialize(bd);
+#endif
+ /* relocate environment function pointers etc. */
+ env_relocate();
+
+#ifdef CONFIG_SYS_I2C
+ i2c_init_all();
+#else
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
+ gd->ram_size = initdram(0);
+ puts("Second program loader running in sram...\n");
+
+#ifdef CONFIG_SPL_MMC_BOOT
+ mmc_boot();
+#endif
+}
diff --git a/board/freescale/p1_p2_rdb_pc/tlb.c b/board/freescale/p1_p2_rdb_pc/tlb.c
index d4561c7..d6afa7b 100644
--- a/board/freescale/p1_p2_rdb_pc/tlb.c
+++ b/board/freescale/p1_p2_rdb_pc/tlb.c
@@ -78,17 +78,8 @@ struct fsl_e_tlb_entry tlb_table[] = {
0, 7, BOOKE_PAGESZ_1M, 1),
#endif
-#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
-#ifdef CONFIG_SYS_INIT_L2_ADDR
- /* L2SRAM */
- SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
- 0, 8, BOOKE_PAGESZ_256K, 1),
- 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),
-#else
+#if defined(CONFIG_SYS_RAMBOOT) || \
+ (defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
/* *I*G - eSDHC/eSPI/NAND boot */
SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
@@ -101,8 +92,14 @@ struct fsl_e_tlb_entry tlb_table[] = {
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 9, BOOKE_PAGESZ_1G, 1),
#endif /* P1020MBG */
-#endif /* not L2 SRAM */
#endif /* RAMBOOT/SPL */
+
+#ifdef CONFIG_SYS_INIT_L2_ADDR
+ /* *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)
+#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/include/configs/p1_p2_rdb_pc.h b/include/configs/p1_p2_rdb_pc.h
index 5f0c4fb..19a1699 100644
--- a/include/configs/p1_p2_rdb_pc.h
+++ b/include/configs/p1_p2_rdb_pc.h
@@ -144,19 +144,33 @@
#define CONFIG_SYS_L2_SIZE (512 << 10)
#endif
-#if CONFIG_SYS_L2_SIZE >= (512 << 10)
-/* must be 32-bit */
-#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000
-#define CONFIG_SYS_INIT_L2_ADDR_PHYS CONFIG_SYS_INIT_L2_ADDR
-#define CONFIG_SYS_INIT_L2_END (CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
-#endif
-
#ifdef CONFIG_SDCARD
-#define CONFIG_RAMBOOT_SDCARD
-#define CONFIG_SYS_RAMBOOT
-#define CONFIG_SYS_EXTRA_ENV_RELOC
-#define CONFIG_SYS_TEXT_BASE 0x11000000
-#define CONFIG_RESET_VECTOR_ADDRESS 0x1107fffc
+#define CONFIG_SPL
+#define CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
+#define CONFIG_SPL_ENV_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_MMC_MINIMAL
+#define CONFIG_SPL_FLUSH_IMAGE
+#define CONFIG_SPL_TARGET "u-boot-with-spl.bin"
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_I2C_SUPPORT
+#define CONFIG_FSL_LAW /* Use common FSL init code */
+#define CONFIG_SYS_TEXT_BASE 0x11001000
+#define CONFIG_SPL_TEXT_BASE 0xf8f81000
+#define CONFIG_SPL_PAD_TO 0x18000
+#define CONFIG_SPL_MAX_SIZE (96 * 1024)
+#define CONFIG_SYS_MMC_U_BOOT_SIZE (512 << 10)
+#define CONFIG_SYS_MMC_U_BOOT_DST (0x11000000)
+#define CONFIG_SYS_MMC_U_BOOT_START (0x11000000)
+#define CONFIG_SYS_MMC_U_BOOT_OFFS (96 << 10)
+#define CONFIG_SYS_MPC85XX_NO_RESETVEC
+#define CONFIG_SYS_LDSCRIPT "arch/powerpc/cpu/mpc85xx/u-boot.lds"
+#define CONFIG_SPL_MMC_BOOT
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_COMMON_INIT_DDR
+#endif
#endif
#ifdef CONFIG_SPIFLASH
@@ -526,6 +540,23 @@
#define CONFIG_VSC7385_IMAGE_SIZE 8192
#endif
+/*
+ * Config the L2 Cache as L2 SRAM
+*/
+#if defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_SDCARD)
+#define CONFIG_SYS_INIT_L2_ADDR 0xf8f80000
+#define CONFIG_SYS_INIT_L2_ADDR_PHYS CONFIG_SYS_INIT_L2_ADDR
+#define CONFIG_SYS_INIT_L2_END (CONFIG_SYS_INIT_L2_ADDR + CONFIG_SYS_L2_SIZE)
+#define CONFIG_SPL_RELOC_TEXT_BASE 0xf8f81000
+#define CONFIG_SPL_RELOC_STACK (CONFIG_SYS_INIT_L2_ADDR + 128 * 1024)
+#define CONFIG_SPL_RELOC_STACK_SIZE (32 << 10)
+#define CONFIG_SPL_RELOC_MALLOC_ADDR (CONFIG_SYS_INIT_L2_ADDR + 160 * 1024)
+#define CONFIG_SPL_RELOC_MALLOC_SIZE (96 << 10)
+#define CONFIG_SPL_GD_ADDR (CONFIG_SYS_INIT_L2_ADDR + 112 * 1024)
+#endif
+#endif
+
/* Serial Port - controlled on board with jumper J8
* open - index 2
* shorted - index 1
@@ -536,7 +567,7 @@
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK get_bus_freq(0)
-#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_INIT_MINIMAL)
#define CONFIG_NS16550_MIN_FUNCTIONS
#endif
@@ -742,7 +773,7 @@
#define CONFIG_ENV_SIZE 0x2000 /* 8KB */
#define CONFIG_ENV_OFFSET 0x100000 /* 1MB */
#define CONFIG_ENV_SECT_SIZE 0x10000
-#elif defined(CONFIG_RAMBOOT_SDCARD)
+#elif defined(CONFIG_SDCARD)
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_FSL_FIXED_MMC_LOCATION
#define CONFIG_ENV_SIZE 0x2000
--
1.7.0.4
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