[PATCH] add 2nd bank

[Tim Sander]

This locic patch the u-boot-v2 patch from Phytec
OSELAS.BSP-Phytec-phyCORE-i.MX35-PD10.1.2
2bank.patch

Signed-off-by: Tim Sander <tim.sander at hbm.com>
---
 arch/arm/boards/pcm043/lowlevel.c |   50 
+++++++++++++++++++++++++++++++++++++
 arch/arm/boards/pcm043/pcm043.c   |    3 ++
 arch/arm/mach-imx/Kconfig         |   14 ++++++++++
 3 files changed, 67 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boards/pcm043/lowlevel.c 
b/arch/arm/boards/pcm043/lowlevel.c
index bbe586b..9bf1c4a 100644
--- a/arch/arm/boards/pcm043/lowlevel.c
+++ b/arch/arm/boards/pcm043/lowlevel.c
@@ -191,8 +191,58 @@ void __bare_init __naked board_init_lowlevel(void)

    /* enable Auto-Refresh */
    writel(0x82228080, ESDCTL0);
+
+#ifdef CONFIG_PCM043_SDRAM_BANK1_128MB
+   /* set timing paramters */
+   writel(0x00255417, ESDCFG1) /* was 0x007ffc3f */
+   /* select Prechare-All mode */
+   writel(0x92220000, ESDCTL1)
+   /* Prechare-All */
+   writel(0x12345678, IMX_SDRAM_CS1 + 0x400)
+

+   /* select Load-Mode-Register mode */
+   writel(0xB8001000, ESDCTL1)
+   /* Load reg EMR2 */
+   writeb(0xda, 0x94000000)
+   /* Load reg EMR3 */
+   writeb(0xda, 0x96000000)
+   /* Load reg EMR1 -- enable DLL */
+   writeb(0xda, 0x92000400)
+   /* Load reg MR -- reset DLL */
+   writeb(0xda, 0x90000333)
+
+   /* select Prechare-All mode */
+   writel(0x92220000, ESDCTL1)
+   /* Prechare-All */
+   writel(0x12345678, IMX_SDRAM_CS1 + 0x400)
+
+   /* select Manual-Refresh mode */
+   writel(0xA2220000, ESDCTL1)
+   /* Manual-Refresh 2 times */
+   writel(0x87654321, IMX_SDRAM_CS1)
+   writel(0x87654321, IMX_SDRAM_CS1)
+
+   /* select Load-Mode-Register mode */
+   writel(0xB2220000, ESDCTL1)
+   /* Load reg MR -- CL3, BL8, end DLL reset */
+   writeb(0xda, 0x90000233)
+   /* Load reg EMR1 -- OCD default */
+   writeb(0xda, 0x92000780)
+   /* Load reg EMR1 -- OCD exit */
+   writeb(0xda, 0x92000400)
+
+   /* select normal-operation mode
+   * DSIZ32-bit, BL8, COL10-bit, ROW13-bit
+   * disable PWT & PRCT
+   * disable Auto-Refresh */
+   writel(0x82220080, ESDCTL1)
+
+   /* enable Auto-Refresh */
+   writel(0x82228080, ESDCTL1)
+#else
    /* enable Auto-Refresh */
    writel(0x00002000, ESDCTL1);
+#endif

 #ifdef CONFIG_NAND_IMX_BOOT
    /* skip NAND boot if not running from NFC space */
diff --git a/arch/arm/boards/pcm043/pcm043.c b/arch/arm/boards/pcm043/pcm043.c
index 2174a1c..0b88807 100644
--- a/arch/arm/boards/pcm043/pcm043.c
+++ b/arch/arm/boards/pcm043/pcm043.c
@@ -102,6 +102,9 @@ static struct imx_ipu_fb_platform_data ipu_fb_data = {
 static int pcm043_mem_init(void)
 {
    arm_add_mem_device("ram0", IMX_SDRAM_CS0, 128 * 1024 * 1024);
+#ifdef CONFIG_PCM043_SDRAM_BANK1_128MB
+   arm_add_mem_device("ram1", IMX_SDRAM_CS1, 128 * 1024 * 1024);
+#endif

    return 0;
 }
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 8dc6a24..ce3e989 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -419,6 +419,20 @@ config PCM043_DISPLAY_SHARP
 config PCM043_DISPLAY_TY090
    bool "TX090"
 endchoice
+
+choice
+   prompt "SDRAM Bank0"
+config PCM043_SDRAM_BANK0_128MB
+   bool "128MB"
+endchoice
+
+choice 
+prompt "SDRAM Bank1"
+config PCM043_SDRAM_BANK_1_NONE
+   bool "none"
+config PCM034_SDRAM_BANK1_128MB
+   bool "128MB"
+endchoice
 endif

 if MACH_PCM037
-- 
1.7.0.4

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