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authorHeiko Schocher <hs@denx.de>2010-09-17 13:10:40 +0200
committerWolfgang Denk <wd@denx.de>2010-09-19 19:29:53 +0200
commite48b7c0aad687f0b42ba9985c3e2dc67c2cac71d (patch)
tree1b834a85837ee988b11670c8ae143a73ad513a30 /board/davedenx
parentf1d2b313c9eb6808d30c16a9eb5251240452a56c (diff)
downloadu-boot-linaro-stable-e48b7c0aad687f0b42ba9985c3e2dc67c2cac71d.tar.gz
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>
Diffstat (limited to 'board/davedenx')
-rw-r--r--board/davedenx/qong/config.mk4
-rw-r--r--board/davedenx/qong/qong.c87
2 files changed, 49 insertions, 42 deletions
diff --git a/board/davedenx/qong/config.mk b/board/davedenx/qong/config.mk
index d8d0a5714..39c1203f5 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 781333b8c..e509383e8 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 */