ARM: implement relocation for ARM11

Change the implementation for ARM11 to relocate the code to an
arbitrary address in RAM.

Tested on the qong board.

Portions of this work were supported by funding from
the CE Linux Forum.

Signed-off-by: Heiko Schocher <hs@denx.de>

2 files changed, 49 insertions, 42 deletions

diff --git a/board/davedenx/qong/config.mk b/board/davedenx/qong/config.mk
index d8d0a57..39c1203 100644
--- a/board/davedenx/qong/config.mk
+++ b/board/davedenx/qong/config.mk
@@ -1 +1,3 @@
-TEXT_BASE = 0x8ff00000
+TEXT_BASE = 0xa0000000
+
+# PLATFORM_CPPFLAGS += -DDEBUG
diff --git a/board/davedenx/qong/qong.c b/board/davedenx/qong/qong.c
index 781333b..e509383 100644
--- a/board/davedenx/qong/qong.c
+++ b/board/davedenx/qong/qong.c
@@ -33,10 +33,9 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int dram_init (void)
 {
-	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1,
-			PHYS_SDRAM_1_SIZE);
-
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
+				PHYS_SDRAM_1_SIZE);
 	return 0;
 }
 
@@ -49,6 +48,49 @@ static void qong_fpga_reset(void)
 	udelay(300);
 }
 
+int board_early_init_f (void)
+{
+#ifdef CONFIG_QONG_FPGA
+	/* CS1: FPGA/Network Controller/GPIO */
+	/* 16-bit, no DTACK */
+	__REG(CSCR_U(1)) = 0x00000A01;
+	__REG(CSCR_L(1)) = 0x20040501;
+	__REG(CSCR_A(1)) = 0x04020C00;
+
+	/* setup pins for FPGA */
+	mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO));
+	mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO));
+	mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO));
+	mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO));
+	mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO));
+
+	/* FPGA reset  Pin */
+	/* rstn = 0 */
+	mx31_gpio_set(QONG_FPGA_RST_PIN, 0);
+	mx31_gpio_direction(QONG_FPGA_RST_PIN, MX31_GPIO_DIRECTION_OUT);
+
+	/* set interrupt pin as input */
+	mx31_gpio_direction(QONG_FPGA_IRQ_PIN, MX31_GPIO_DIRECTION_IN);
+
+#endif
+
+	/* setup pins for UART1 */
+	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+
+	/* setup pins for SPI (pmic) */
+	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
+	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
+	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
+	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
+	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+
+	return 0;
+
+}
+
 int board_init (void)
 {
 	/* Chip selects */
@@ -99,43 +141,6 @@ int board_init (void)
 						(0 << 0)	  /* FCE */
 					   );
 
-#ifdef CONFIG_QONG_FPGA
-	/* CS1: FPGA/Network Controller/GPIO */
-	/* 16-bit, no DTACK */
-	__REG(CSCR_U(1)) = 0x00000A01;
-	__REG(CSCR_L(1)) = 0x20040501;
-	__REG(CSCR_A(1)) = 0x04020C00;
-
-	/* setup pins for FPGA */
-	mx31_gpio_mux(IOMUX_MODE(0x76, MUX_CTL_GPIO));
-	mx31_gpio_mux(IOMUX_MODE(0x7e, MUX_CTL_GPIO));
-	mx31_gpio_mux(IOMUX_MODE(0x91, MUX_CTL_OUT_FUNC | MUX_CTL_IN_GPIO));
-	mx31_gpio_mux(IOMUX_MODE(0x92, MUX_CTL_GPIO));
-	mx31_gpio_mux(IOMUX_MODE(0x93, MUX_CTL_GPIO));
-
-	/* FPGA reset  Pin */
-	/* rstn = 0 */
-	mx31_gpio_set(QONG_FPGA_RST_PIN, 0);
-	mx31_gpio_direction(QONG_FPGA_RST_PIN, MX31_GPIO_DIRECTION_OUT);
-
-	/* set interrupt pin as input */
-	mx31_gpio_direction(QONG_FPGA_IRQ_PIN, MX31_GPIO_DIRECTION_IN);
-
-#endif
-
-	/* setup pins for UART1 */
-	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
-	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
-	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
-	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
-
-	/* setup pins for SPI (pmic) */
-	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
-	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
-	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
-	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
-	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
-
 	/* board id for linux */
 	gd->bd->bi_arch_number = MACH_TYPE_QONG;
 	gd->bd->bi_boot_params = (0x80000100);	/* adress of boot parameters */