summaryrefslogtreecommitdiff
path: root/board/ti/am335x/board.c
diff options
context:
space:
mode:
authorHeiko Schocher <hs@denx.de>2013-07-30 10:48:54 +0530
committerTom Rini <trini@ti.com>2013-08-15 08:51:10 -0400
commit0660481a59cccd324fc2dfcad9734318a8c25a90 (patch)
treeebebc64d145f50a26cf1cba98ba3e8ce4c3b9811 /board/ti/am335x/board.c
parent95cb69faeb45f6396a1336bff201a50ea1677d85 (diff)
downloadu-boot-imx-0660481a59cccd324fc2dfcad9734318a8c25a90.zip
u-boot-imx-0660481a59cccd324fc2dfcad9734318a8c25a90.tar.gz
u-boot-imx-0660481a59cccd324fc2dfcad9734318a8c25a90.tar.bz2
ARM: AM33xx: Move s_init to a common place
s_init has the same outline for all the AM33xx based board. So making it generic. This also helps in addition of new Soc with minimal changes. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Tom Rini <trini@ti.com> Tested-by: Heiko Schocher <hs@denx.de> Acked-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board/ti/am335x/board.c')
-rw-r--r--board/ti/am335x/board.c80
1 files changed, 13 insertions, 67 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index a6edc2d..eac9cc9 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -30,8 +30,6 @@
DECLARE_GLOBAL_DATA_PTR;
-static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
-
/* MII mode defines */
#define MII_MODE_ENABLE 0x0
#define RGMII_MODE_ENABLE 0x3A
@@ -269,56 +267,8 @@ const struct dpll_params *get_dpll_ddr_params(void)
return &dpll_ddr;
}
-#endif
-
-/*
- * early system init of muxing and clocks.
- */
-void s_init(void)
+void set_uart_mux_conf(void)
{
- __maybe_unused struct am335x_baseboard_id header;
-
- /*
- * The ROM will only have set up sufficient pinmux to allow for the
- * first 4KiB NOR to be read, we must finish doing what we know of
- * the NOR mux in this space in order to continue.
- */
-#ifdef CONFIG_NOR_BOOT
- asm("stmfd sp!, {r2 - r4}");
- asm("movw r4, #0x8A4");
- asm("movw r3, #0x44E1");
- asm("orr r4, r4, r3, lsl #16");
- asm("mov r2, #9");
- asm("mov r3, #8");
- asm("gpmc_mux: str r2, [r4], #4");
- asm("subs r3, r3, #1");
- asm("bne gpmc_mux");
- asm("ldmfd sp!, {r2 - r4}");
-#endif
-
-#ifdef CONFIG_SPL_BUILD
- /*
- * Save the boot parameters passed from romcode.
- * We cannot delay the saving further than this,
- * to prevent overwrites.
- */
- save_omap_boot_params();
-#endif
-
- /* WDT1 is already running when the bootloader gets control
- * Disable it to avoid "random" resets
- */
- writel(0xAAAA, &wdtimer->wdtwspr);
- while (readl(&wdtimer->wdtwwps) != 0x0)
- ;
- writel(0x5555, &wdtimer->wdtwspr);
- while (readl(&wdtimer->wdtwwps) != 0x0)
- ;
-
-#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_NOR_BOOT)
- /* Setup the PLLs and the clocks for the peripherals */
- setup_clocks_for_console();
-
#ifdef CONFIG_SERIAL1
enable_uart0_pin_mux();
#endif /* CONFIG_SERIAL1 */
@@ -337,29 +287,25 @@ void s_init(void)
#ifdef CONFIG_SERIAL6
enable_uart5_pin_mux();
#endif /* CONFIG_SERIAL6 */
+}
- uart_soft_reset();
+void set_mux_conf_regs(void)
+{
+ __maybe_unused struct am335x_baseboard_id header;
-#if defined(CONFIG_NOR_BOOT)
- /* We want our console now. */
- gd->baudrate = CONFIG_BAUDRATE;
- serial_init();
- gd->have_console = 1;
-#else
- gd = &gdata;
+ if (read_eeprom(&header) < 0)
+ puts("Could not get board ID.\n");
- preloader_console_init();
-#endif
+ enable_board_pin_mux(&header);
+}
- prcm_init();
+void sdram_init(void)
+{
+ __maybe_unused struct am335x_baseboard_id header;
if (read_eeprom(&header) < 0)
puts("Could not get board ID.\n");
- /* Enable RTC32K clock */
- rtc32k_enable();
-
- enable_board_pin_mux(&header);
if (board_is_evm_sk(&header)) {
/*
* EVM SK 1.2A and later use gpio0_7 to enable DDR3.
@@ -383,8 +329,8 @@ void s_init(void)
else
config_ddr(266, MT47H128M16RT25E_IOCTRL_VALUE, &ddr2_data,
&ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
-#endif
}
+#endif
/*
* Basic board specific setup. Pinmux has been handled already.