Add TI816X evm board support

Signed-off-by: Antoine Tenart <atenart@adeneo-embedded.com>
[trini: Change to SPDX, fix a few compiler warnings, adapt to
CONFIG_OMAP_COMMON]
Signed-off-by: Tom Rini <trini@ti.com>

2 files changed, 266 insertions, 0 deletions

diff --git a/board/ti/ti816x/Makefile b/board/ti/ti816x/Makefile
new file mode 100644
index 0000000..17ce72a
--- /dev/null
+++ b/board/ti/ti816x/Makefile
@@ -0,0 +1,37 @@
+#
+# Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
+# Antoine Tenart, <atenart@adeneo-embedded.com>
+#
+# Based on TI-PSP-04.00.02.14 :
+#
+# Copyright (C) 2009, Texas Instruments, Incorporated
+#
+# SPDX-License-Identifier:	GPL-2.0
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= evm.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+clean:
+	rm -f $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ti/ti816x/evm.c b/board/ti/ti816x/evm.c
new file mode 100644
index 0000000..74d35e9
--- /dev/null
+++ b/board/ti/ti816x/evm.c
@@ -0,0 +1,229 @@
+/*
+ * evm.c
+ *
+ * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
+ * Antoine Tenart, <atenart@adeneo-embedded.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+	return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+
+static struct module_pin_mux mmc_pin_mux[] = {
+	{ OFFSET(pincntl157), PULLDOWN_EN | PULLUDDIS | MODE(0x0) },
+	{ OFFSET(pincntl158), PULLDOWN_EN | PULLUDEN | MODE(0x0) },
+	{ OFFSET(pincntl159), PULLUP_EN | PULLUDDIS | MODE(0x0) },
+	{ OFFSET(pincntl160), PULLUP_EN | PULLUDDIS | MODE(0x0) },
+	{ OFFSET(pincntl161), PULLUP_EN | PULLUDDIS | MODE(0x0) },
+	{ OFFSET(pincntl162), PULLUP_EN | PULLUDDIS | MODE(0x0) },
+	{ OFFSET(pincntl163), PULLUP_EN | PULLUDDIS | MODE(0x0) },
+	{ -1 },
+};
+
+const struct dmm_lisa_map_regs evm_lisa_map_regs = {
+	.dmm_lisa_map_0 = 0x00000000,
+	.dmm_lisa_map_1 = 0x00000000,
+	.dmm_lisa_map_2 = 0x80640300,
+	.dmm_lisa_map_3 = 0xC0640320,
+};
+
+/*
+ * DDR2 related definitions
+ */
+#ifdef CONFIG_TI816X_EVM_DDR2
+static struct ddr_data ddr2_data = {
+	.datardsratio0		= ((0x40<<10) | (0x40<<0)),
+	.datawdsratio0		= ((0x4A<<10) | (0x4A<<0)),
+	.datawiratio0		= ((0x0<<10) | (0x0<<0)),
+	.datagiratio0		= ((0x0<<10) | (0x0<<0)),
+	.datafwsratio0		= ((0x13A<<10) | (0x13A<<0)),
+	.datawrsratio0		= ((0x8A<<10) | (0x8A<<0)),
+	.datauserank0delay	= 0x1,
+	.datadldiff0		= 0x0, /* depend on cpu rev, set later */
+};
+
+static struct cmd_control ddr2_ctrl = {
+	.cmd0csratio	= 0x80,
+	.cmd0dldiff	= 0x04, /* reset value is 0x4 */
+	.cmd0iclkout	= 0x00,
+
+	.cmd1csratio	= 0x80,
+	.cmd1dldiff	= 0x04, /* reset value is 0x4 */
+	.cmd1iclkout	= 0x00,
+
+	.cmd2csratio	= 0x80,
+	.cmd2dldiff	= 0x04, /* reset value is 0x4 */
+	.cmd2iclkout	= 0x00,
+
+};
+
+static struct emif_regs ddr2_emif0_regs = {
+	.sdram_config		= 0x43801A3A,
+	.ref_ctrl		= 0x10000C30,
+	.sdram_tim1		= 0x0AAB15E2,
+	.sdram_tim2		= 0x423631D2,
+	.sdram_tim3		= 0x0080032F,
+	.emif_ddr_phy_ctlr_1	= 0x0, /* depend on cpu rev, set later */
+};
+
+static struct emif_regs ddr2_emif1_regs = {
+	.sdram_config		= 0x43801A3A,
+	.ref_ctrl		= 0x10000C30,
+	.sdram_tim1		= 0x0AAB15E2,
+	.sdram_tim2		= 0x423631D2,
+	.sdram_tim3		= 0x0080032F,
+	.emif_ddr_phy_ctlr_1	= 0x0, /* depend on cpu rev, set later */
+};
+#endif
+
+/*
+ * DDR3 related definitions
+ */
+
+#if defined(CONFIG_TI816X_DDR_PLL_400)
+#define RD_DQS		0x03B
+#define WR_DQS		0x0A6
+#define RD_DQS_GATE	0x12A
+#define EMIF_SDCFG	0x62A41032
+#define EMIF_SDREF	0x10000C30
+#define EMIF_TIM1	0x0CCCE524
+#define EMIF_TIM2	0x30308023
+#define EMIF_TIM3	0x009F82CF
+#define EMIF_PHYCFG	0x0000010B
+#elif defined(CONFIG_TI816X_DDR_PLL_531)
+#define RD_DQS		0x039
+#define WR_DQS		0x0B4
+#define RD_DQS_GATE	0x13D
+#define EMIF_SDCFG	0x62A51832
+#define EMIF_SDREF	0x1000102E
+#define EMIF_TIM1	0x0EF136AC
+#define EMIF_TIM2	0x30408063
+#define EMIF_TIM3	0x009F83AF
+#define EMIF_PHYCFG	0x0000010C
+#elif defined(CONFIG_TI816X_DDR_PLL_675)
+#define RD_DQS		0x039
+#define WR_DQS		0x091
+#define RD_DQS_GATE	0x196
+#define EMIF_SDCFG	0x62A63032
+#define EMIF_SDREF	0x10001491
+#define EMIF_TIM1	0x13358875
+#define EMIF_TIM2	0x5051806C
+#define EMIF_TIM3	0x009F84AF
+#define EMIF_PHYCFG	0x0000010F
+#elif defined(CONFIG_TI816X_DDR_PLL_796)
+#define RD_DQS		0x035
+#define WR_DQS		0x093
+#define RD_DQS_GATE	0x1B3
+#define EMIF_SDCFG	0x62A73832
+#define EMIF_SDREF	0x10001841
+#define EMIF_TIM1	0x1779C9FE
+#define EMIF_TIM2	0x50608074
+#define EMIF_TIM3	0x009F857F
+#define EMIF_PHYCFG	0x00000110
+#endif
+
+static struct ddr_data ddr3_data = {
+	.datardsratio0		= ((RD_DQS<<10) | (RD_DQS<<0)),
+	.datawdsratio0		= ((WR_DQS<<10) | (WR_DQS<<0)),
+	.datawiratio0		= ((0x20<<10) | 0x20<<0),
+	.datagiratio0		= ((0x20<<10) | 0x20<<0),
+	.datafwsratio0		= ((RD_DQS_GATE<<10) | (RD_DQS_GATE<<0)),
+	.datawrsratio0		= (((WR_DQS+0x40)<<10) | ((WR_DQS+0x40)<<0)),
+	.datauserank0delay	= 0x1,
+	.datadldiff0		= 0x0, /* depend on cpu rev, set later */
+};
+
+static const struct cmd_control ddr3_ctrl = {
+	.cmd0csratio	= 0x100,
+	.cmd0dldiff	= 0x004, /* reset value is 0x4 */
+	.cmd0iclkout	= 0x001,
+
+	.cmd1csratio	= 0x100,
+	.cmd1dldiff	= 0x004, /* reset value is 0x4 */
+	.cmd1iclkout	= 0x001,
+
+	.cmd2csratio	= 0x100,
+	.cmd2dldiff	= 0x004, /* reset value is 0x4 */
+	.cmd2iclkout	= 0x001,
+};
+
+static const struct emif_regs ddr3_emif0_regs = {
+	.sdram_config		= EMIF_SDCFG,
+	.ref_ctrl		= EMIF_SDREF,
+	.sdram_tim1		= EMIF_TIM1,
+	.sdram_tim2		= EMIF_TIM2,
+	.sdram_tim3		= EMIF_TIM3,
+	.emif_ddr_phy_ctlr_1	= EMIF_PHYCFG,
+};
+
+static const struct emif_regs ddr3_emif1_regs = {
+	.sdram_config		= EMIF_SDCFG,
+	.ref_ctrl		= EMIF_SDREF,
+	.sdram_tim1		= EMIF_TIM1,
+	.sdram_tim2		= EMIF_TIM2,
+	.sdram_tim3		= EMIF_TIM3,
+	.emif_ddr_phy_ctlr_1	= EMIF_PHYCFG,
+};
+
+void set_uart_mux_conf(void) {}
+
+void set_mux_conf_regs(void)
+{
+	configure_module_pin_mux(mmc_pin_mux);
+}
+
+void sdram_init(void)
+{
+	config_dmm(&evm_lisa_map_regs);
+
+#ifdef CONFIG_TI816X_EVM_DDR2
+	ddr2_data.datadldiff0 = (get_cpu_rev() == 0x1 ? 0x0 : 0xF);
+	ddr2_ctrl.cmd0dldiff = (get_cpu_rev() == 0x1 ? 0x0 : 0xF);
+	ddr2_ctrl.cmd1dldiff = (get_cpu_rev() == 0x1 ? 0x0 : 0xF);
+	ddr2_ctrl.cmd2dldiff = (get_cpu_rev() == 0x1 ? 0x0 : 0xF);
+
+	if (CONFIG_TI816X_USE_EMIF0) {
+		ddr2_emif0_regs.emif_ddr_phy_ctlr_1 =
+			(get_cpu_rev() == 0x1 ? 0x0000010B : 0x0000030B);
+		config_ddr(0, 0, &ddr2_data, &ddr2_ctrl, &ddr2_emif0_regs, 0);
+	}
+
+	if (CONFIG_TI816X_USE_EMIF1) {
+		ddr2_emif1_regs.emif_ddr_phy_ctlr_1 =
+			(get_cpu_rev() == 0x1 ? 0x0000010B : 0x0000030B);
+		config_ddr(1, 0, &ddr2_data, &ddr2_ctrl, &ddr2_emif1_regs, 1);
+	}
+#endif
+
+#ifdef CONFIG_TI816X_EVM_DDR3
+	ddr3_data.datadldiff0 = (get_cpu_rev() == 0x1 ? 0x0 : 0xF);
+
+	if (CONFIG_TI816X_USE_EMIF0)
+		config_ddr(0, 0, &ddr3_data, &ddr3_ctrl, &ddr3_emif0_regs, 0);
+
+	if (CONFIG_TI816X_USE_EMIF1)
+		config_ddr(1, 0, &ddr3_data, &ddr3_ctrl, &ddr3_emif1_regs, 1);
+#endif
+}
+#endif /* CONFIG_SPL_BUILD */