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[U-Boot,u-boot,sunxi,06/12] sunxi: Add sun5i support

Message ID 1395097256-7593-7-git-send-email-hdegoede@redhat.com
State RFC
Delegated to: Albert ARIBAUD
Headers show

Commit Message

Hans de Goede March 17, 2014, 11 p.m. UTC 
Based linux-sunxi#sunxi commit d854c4de2f57 "arm: Handle .gnu.hash section in
ldscripts" vs v2014.01.

As well as the following signed-off-by the sunxi branch shows commits to
the sun5i dram bits by:

Berg Xing <bergxing@allwinnertech.com>
Tom Cubie <tangliang@allwinnertech.com>

Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 arch/arm/cpu/armv7/sunxi/board.c        | 12 ++++++++++++
 arch/arm/cpu/armv7/sunxi/clock.c        |  5 +++++
 arch/arm/cpu/armv7/sunxi/cpu_info.c     |  3 +++
 arch/arm/cpu/armv7/sunxi/dram.c         | 15 +++++++++++++++
 arch/arm/include/asm/arch-sunxi/clock.h |  7 +++++++
 board/sunxi/Makefile                    |  1 +
 board/sunxi/dram_a10s_olinuxino_m.c     | 31 +++++++++++++++++++++++++++++++
 boards.cfg                              |  1 +
 include/configs/sun5i.h                 | 23 +++++++++++++++++++++++
 include/configs/sunxi-common.h          |  2 ++
 10 files changed, 100 insertions(+)
 create mode 100644 board/sunxi/dram_a10s_olinuxino_m.c
 create mode 100644 include/configs/sun5i.h
diff mbox

Patch

diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index 07f8c12..72eed16 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -45,9 +45,21 @@  u32 spl_boot_mode(void)
 
 int gpio_init(void)
 {
+#if CONFIG_CONS_INDEX == 1 && (defined(CONFIG_SUN4I) || defined(CONFIG_SUN7I))
 	sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUN4I_GPB22_UART0_TX);
 	sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUN4I_GPB23_UART0_RX);
 	sunxi_gpio_set_pull(SUNXI_GPB(23), 1);
+#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_SUN5I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN5I_GPB19_UART0_TX);
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN5I_GPB20_UART0_RX);
+	sunxi_gpio_set_pull(SUNXI_GPB(20), 1);
+#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_SUN5I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPG(3), SUN5I_GPG3_UART1_TX);
+	sunxi_gpio_set_cfgpin(SUNXI_GPG(4), SUN5I_GPG4_UART1_RX);
+	sunxi_gpio_set_pull(SUNXI_GPG(4), 1);
+#else
+#error Unsupported console port number. Please fix pin mux settings in board.c
+#endif
 
 	return 0;
 }
diff --git a/arch/arm/cpu/armv7/sunxi/clock.c b/arch/arm/cpu/armv7/sunxi/clock.c
index dd01be6..22c89b8 100644
--- a/arch/arm/cpu/armv7/sunxi/clock.c
+++ b/arch/arm/cpu/armv7/sunxi/clock.c
@@ -33,6 +33,11 @@  static void clock_init_safe(void)
 	       APB0_DIV_1 << APB0_DIV_SHIFT |
 	       CPU_CLK_SRC_PLL1 << CPU_CLK_SRC_SHIFT,
 	       &ccm->cpu_ahb_apb0_cfg);
+#ifdef CONFIG_SUN5I
+	/* Power on reset default for PLL6 is 2400 MHz, which is faster then
+	 * it can reliable do :|  Set it to a 600 MHz instead. */
+	writel(PLL6_CFG_DEFAULT, &ccm->pll6_cfg);
+#endif
 #ifdef CONFIG_SUN7I
 	writel(0x1 << AHB_GATE_OFFSET_DMA | readl(&ccm->ahb_gate0),
 	       &ccm->ahb_gate0);
diff --git a/arch/arm/cpu/armv7/sunxi/cpu_info.c b/arch/arm/cpu/armv7/sunxi/cpu_info.c
index b4b5089..a388a53 100644
--- a/arch/arm/cpu/armv7/sunxi/cpu_info.c
+++ b/arch/arm/cpu/armv7/sunxi/cpu_info.c
@@ -15,6 +15,9 @@  int print_cpuinfo(void)
 {
 #ifdef CONFIG_SUN4I
 	puts("CPU:   Allwinner A10 (SUN4I)\n");
+#elif defined CONFIG_SUN5I
+	/* TODO: Distinguish A13/A10s */
+	puts("CPU:   Allwinner A13/A10s (SUN5I)\n");
 #elif defined CONFIG_SUN7I
 	puts("CPU:   Allwinner A20 (SUN7I)\n");
 #else
diff --git a/arch/arm/cpu/armv7/sunxi/dram.c b/arch/arm/cpu/armv7/sunxi/dram.c
index 37edede..781f9b5 100644
--- a/arch/arm/cpu/armv7/sunxi/dram.c
+++ b/arch/arm/cpu/armv7/sunxi/dram.c
@@ -139,6 +139,16 @@  static void mctl_enable_dllx(u32 phase)
 }
 
 static u32 hpcr_value[32] = {
+#ifdef CONFIG_SUN5I
+	0, 0, 0, 0,
+	0, 0, 0, 0,
+	0, 0, 0, 0,
+	0, 0, 0, 0,
+	0x1031, 0x1031, 0x0735, 0x1035,
+	0x1035, 0x0731, 0x1031, 0,
+	0x0301, 0x0301, 0x0301, 0x0301,
+	0x0301, 0x0301, 0x0301, 0
+#endif
 #ifdef CONFIG_SUN4I
 	0x0301, 0x0301, 0x0301, 0x0301,
 	0x0301, 0x0301, 0, 0,
@@ -446,6 +456,11 @@  unsigned long dramc_init(struct dram_para *para)
 	/* setup DRAM relative clock */
 	mctl_setup_dram_clock(para->clock);
 
+#ifdef CONFIG_SUN5I
+	/* Disable any pad power save control */
+	writel(0, &dram->ppwrsctl);
+#endif
+
 	/* reset external DRAM */
 #ifndef CONFIG_SUN7I
 	mctl_ddr3_reset();
diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h
index 77a9b91..b889c11 100644
--- a/arch/arm/include/asm/arch-sunxi/clock.h
+++ b/arch/arm/include/asm/arch-sunxi/clock.h
@@ -119,8 +119,15 @@  struct sunxi_ccm_reg {
 
 #define PLL1_CFG_DEFAULT	0xa1005000
 
+#ifdef CONFIG_SUN5I
+#define PLL6_CFG_DEFAULT	0x21009911
+#endif
 #define PLL6_ENABLE_OFFSET	31
 
+#ifdef CONFIG_SUN5I
+#define AHB_CLK_SRC_AXI			0
+#endif
+
 #define CLK_GATE_OPEN			0x1
 #define CLK_GATE_CLOSE			0x0
 
diff --git a/board/sunxi/Makefile b/board/sunxi/Makefile
index 590ca42..8e284d4 100644
--- a/board/sunxi/Makefile
+++ b/board/sunxi/Makefile
@@ -10,4 +10,5 @@ 
 #
 obj-y	+= board.o
 obj-$(CONFIG_A10_OLINUXINO_L)	+= dram_a10_olinuxino_l.o
+obj-$(CONFIG_A10S_OLINUXINO_M)	+= dram_a10s_olinuxino_m.o
 obj-$(CONFIG_CUBIETRUCK)	+= dram_cubietruck.o
diff --git a/board/sunxi/dram_a10s_olinuxino_m.c b/board/sunxi/dram_a10s_olinuxino_m.c
new file mode 100644
index 0000000..8900539
--- /dev/null
+++ b/board/sunxi/dram_a10s_olinuxino_m.c
@@ -0,0 +1,31 @@ 
+/* this file is generated, don't edit it yourself */
+
+#include <common.h>
+#include <asm/arch/dram.h>
+
+static struct dram_para dram_para = {
+	.clock = 432,
+	.type = 3,
+	.rank_num = 1,
+	.density = 4096,
+	.io_width = 16,
+	.bus_width = 16,
+	.cas = 9,
+	.zq = 123,
+	.odt_en = 0,
+	.size = 512,
+	.tpr0 = 0x42d899b7,
+	.tpr1 = 0xa090,
+	.tpr2 = 0x22a00,
+	.tpr3 = 0,
+	.tpr4 = 0,
+	.tpr5 = 0,
+	.emr1 = 0x4,
+	.emr2 = 0x10,
+	.emr3 = 0,
+};
+
+unsigned long sunxi_dram_init(void)
+{
+	return dramc_init(&dram_para);
+}
diff --git a/boards.cfg b/boards.cfg
index 07dd65a..bae0797 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -354,6 +354,7 @@  Active  arm         armv7          s5pc1xx     samsung         goni
 Active  arm         armv7          s5pc1xx     samsung         smdkc100            smdkc100                             -                                                                                                                                 Minkyu Kang <mk7.kang@samsung.com>
 Active  arm         armv7          socfpga     altera          socfpga             socfpga_cyclone5                     -                                                                                                                                 -
 Active  arm         armv7          sunxi       -               sunxi               A10-OLinuXino-Lime                   sun4i:A10_OLINUXINO_L,SPL                                                                                                         -
+Active  arm         armv7          sunxi       -               sunxi               A10s-OLinuXino-M                     sun5i:A10S_OLINUXINO_M,SPL                                                                                                        -
 Active  arm         armv7          sunxi       -               sunxi               Cubietruck                           sun7i:CUBIETRUCK,SPL                                                                                                              -
 Active  arm         armv7          sunxi       -               sunxi               Cubietruck_FEL                       sun7i:CUBIETRUCK,SPL_FEL                                                                                                          -
 Active  arm         armv7          u8500       st-ericsson     snowball            snowball                             -                                                                                                                                 Mathieu Poirier <mathieu.poirier@linaro.org>
diff --git a/include/configs/sun5i.h b/include/configs/sun5i.h
new file mode 100644
index 0000000..43f0d67
--- /dev/null
+++ b/include/configs/sun5i.h
@@ -0,0 +1,23 @@ 
+/*
+ * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * Configuration settings for the Allwinner A13 (sun5i) CPU
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_SUN5I		/* sun5i SoC generation */
+
+#define CONFIG_SYS_PROMPT		"sun5i# "
+
+/*
+ * Include common sunxi configuration where most the settings are
+ */
+#include <configs/sunxi-common.h>
+
+#endif /* __CONFIG_H */
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 2bfea55..fe41b89 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -176,7 +176,9 @@ 
 #undef CONFIG_CMD_NET
 #undef CONFIG_CMD_NFS
 
+#ifndef CONFIG_CONS_INDEX
 #define CONFIG_CONS_INDEX              1       /* UART0 */
+#endif
 
 #if !defined CONFIG_ENV_IS_IN_MMC && \
     !defined CONFIG_ENV_IS_IN_NAND && \