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authorTom Rini <trini@konsulko.com>2016-01-26 17:45:37 -0500
committerTom Rini <trini@konsulko.com>2016-01-26 17:45:37 -0500
commit9e4de7fd4acc8f99b6d383c711d21c0159849629 (patch)
tree703f5ea8560e931870c842493d246fdd52fb8d68 /arch/arm/cpu
parentb72ae192e39f933100b0eb034768cb4daeebf67a (diff)
parent2ca02995791484007373ae51b3e7148511f1479b (diff)
Merge branch 'master' of http://git.denx.de/u-boot-sunxi
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/armv7/sunxi/Makefile1
-rw-r--r--arch/arm/cpu/armv7/sunxi/board.c4
-rw-r--r--arch/arm/cpu/armv7/sunxi/clock.c5
-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun6i.c13
-rw-r--r--arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c70
-rw-r--r--arch/arm/cpu/armv7/sunxi/psci_sun6i.S4
-rw-r--r--arch/arm/cpu/armv7/sunxi/tzpc.c11
7 files changed, 92 insertions, 16 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile
index dfb0a3e3c0..ce8e5717e7 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_MACH_SUN8I) += clock_sun6i.o
endif
obj-$(CONFIG_MACH_SUN9I) += clock_sun9i.o
obj-$(CONFIG_MACH_SUN6I) += tzpc.o
+obj-$(CONFIG_MACH_SUN8I_H3) += tzpc.o
obj-$(CONFIG_AXP152_POWER) += pmic_bus.o
obj-$(CONFIG_AXP209_POWER) += pmic_bus.o
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index 7dfb7f5340..eb5f4b686e 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -127,8 +127,8 @@ void s_init(void)
"orr r0, r0, #1 << 6\n"
"mcr p15, 0, r0, c1, c0, 1\n");
#endif
-#if defined CONFIG_MACH_SUN6I
- /* Enable non-secure access to the RTC */
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I_H3
+ /* Enable non-secure access to some peripherals */
tzpc_init();
#endif
diff --git a/arch/arm/cpu/armv7/sunxi/clock.c b/arch/arm/cpu/armv7/sunxi/clock.c
index 47fb70ff7c..5cc5d25d2b 100644
--- a/arch/arm/cpu/armv7/sunxi/clock.c
+++ b/arch/arm/cpu/armv7/sunxi/clock.c
@@ -14,12 +14,17 @@
#include <asm/arch/gpio.h>
#include <asm/arch/sys_proto.h>
+__weak void clock_init_sec(void)
+{
+}
+
int clock_init(void)
{
#ifdef CONFIG_SPL_BUILD
clock_init_safe();
#endif
clock_init_uart();
+ clock_init_sec();
return 0;
}
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
index 1da5455c9a..700b605ab3 100644
--- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
+++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
@@ -45,6 +45,19 @@ void clock_init_safe(void)
}
#endif
+void clock_init_sec(void)
+{
+#ifdef CONFIG_MACH_SUN8I_H3
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+ setbits_le32(&ccm->ccu_sec_switch,
+ CCM_SEC_SWITCH_MBUS_NONSEC |
+ CCM_SEC_SWITCH_BUS_NONSEC |
+ CCM_SEC_SWITCH_PLL_NONSEC);
+#endif
+}
+
void clock_init_uart(void)
{
#if CONFIG_CONS_INDEX < 5
diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c b/arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c
index d757e403dc..7c46acdbf2 100644
--- a/arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c
+++ b/arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c
@@ -25,6 +25,7 @@ struct dram_para {
u8 rank;
u8 rows;
u8 bus_width;
+ u8 dram_type;
u16 page_size;
};
@@ -34,7 +35,7 @@ static void mctl_set_cr(struct dram_para *para)
(struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
writel(MCTL_CR_CS1_CONTROL(para->cs1) | MCTL_CR_UNKNOWN |
- MCTL_CR_CHANNEL(1) | MCTL_CR_DDR3 |
+ MCTL_CR_CHANNEL(1) | MCTL_CR_DRAM_TYPE(para->dram_type) |
(para->seq ? MCTL_CR_SEQUENCE : 0) |
((para->bus_width == 16) ? MCTL_CR_BUSW16 : MCTL_CR_BUSW8) |
MCTL_CR_PAGE_SIZE(para->page_size) | MCTL_CR_ROW(para->rows) |
@@ -86,6 +87,7 @@ static void auto_set_timing_para(struct dram_para *para)
{
struct sunxi_mctl_ctl_reg * const mctl_ctl =
(struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
+
u32 reg_val;
u8 tccd = 2;
@@ -129,10 +131,42 @@ static void auto_set_timing_para(struct dram_para *para)
/* Set work mode register */
mctl_set_cr(para);
/* Set mode register */
- writel(MCTL_MR0, &mctl_ctl->mr0);
- writel(MCTL_MR1, &mctl_ctl->mr1);
- writel(MCTL_MR2, &mctl_ctl->mr2);
- writel(MCTL_MR3, &mctl_ctl->mr3);
+ if (para->dram_type == DRAM_TYPE_DDR3) {
+ writel(MCTL_MR0, &mctl_ctl->mr0);
+ writel(MCTL_MR1, &mctl_ctl->mr1);
+ writel(MCTL_MR2, &mctl_ctl->mr2);
+ writel(MCTL_MR3, &mctl_ctl->mr3);
+ } else if (para->dram_type == DRAM_TYPE_LPDDR3) {
+ writel(MCTL_LPDDR3_MR0, &mctl_ctl->mr0);
+ writel(MCTL_LPDDR3_MR1, &mctl_ctl->mr1);
+ writel(MCTL_LPDDR3_MR2, &mctl_ctl->mr2);
+ writel(MCTL_LPDDR3_MR3, &mctl_ctl->mr3);
+
+ /* timing parameters for LPDDR3 */
+ tfaw = max(ns_to_t(50), 4);
+ trrd = max(ns_to_t(10), 2);
+ trcd = max(ns_to_t(24), 2);
+ trc = ns_to_t(70);
+ txp = max(ns_to_t(8), 2);
+ twtr = max(ns_to_t(8), 2);
+ trtp = max(ns_to_t(8), 2);
+ trp = max(ns_to_t(27), 2);
+ tras = ns_to_t(42);
+ trefi = ns_to_t(3900) / 32;
+ trfc = ns_to_t(210);
+ tmrw = 5;
+ tmrd = 5;
+ tckesr = 5;
+ tcwl = 3; /* CWL 8 */
+ t_rdata_en = 5;
+ tdinit0 = (200 * CONFIG_DRAM_CLK) + 1; /* 200us */
+ tdinit1 = (100 * CONFIG_DRAM_CLK) / 1000 + 1; /* 100ns */
+ tdinit2 = (11 * CONFIG_DRAM_CLK) + 1; /* 200us */
+ tdinit3 = (1 * CONFIG_DRAM_CLK) + 1; /* 1us */
+ twtp = tcwl + 4 + twr + 1; /* CWL + BL/2 + tWR */
+ twr2rd = tcwl + 4 + 1 + twtr; /* WL + BL / 2 + tWTR */
+ trd2wr = tcl + 4 + 5 - tcwl + 1; /* RL + BL / 2 + 2 - WL */
+ }
/* Set dram timing */
reg_val = (twtp << 24) | (tfaw << 16) | (trasmax << 8) | (tras << 0);
writel(reg_val, &mctl_ctl->dramtmg0);
@@ -287,6 +321,9 @@ static int mctl_channel_init(struct dram_para *para)
clrbits_le32(&mctl_ctl->pgcr2, (0x3 << 6));
clrbits_le32(&mctl_ctl->dqsgmr, (0x1 << 8) | (0x7));
+ if (para->dram_type == DRAM_TYPE_LPDDR3)
+ clrsetbits_le32(&mctl_ctl->dxccr, (0x1 << 27) | (0x3<<6) ,
+ 0x1 << 31);
if (readl(&mctl_com->cr) & 0x1)
writel(0x00000303, &mctl_ctl->odtmap);
else
@@ -297,7 +334,11 @@ static int mctl_channel_init(struct dram_para *para)
clrsetbits_le32(ZQnPR(0), 0x000000ff, CONFIG_DRAM_ZQ & 0xff);
clrsetbits_le32(ZQnPR(1), 0x000000ff, (CONFIG_DRAM_ZQ >> 8) & 0xff);
/* CA calibration */
- mctl_set_pir(0x0201f3 | 0x1<<10);
+
+ if (para->dram_type == DRAM_TYPE_DDR3)
+ mctl_set_pir(0x0201f3 | 0x1<<10);
+ else
+ mctl_set_pir(0x020173 | 0x1<<10);
/* DQS gate training */
if (mctl_train_dram(para) != 0) {
@@ -357,6 +398,7 @@ static void mctl_sys_init(struct dram_para *para)
clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL);
clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL);
clrbits_le32(&ccm->pll5_cfg, CCM_PLL5_CTRL_EN);
+ udelay(1000);
clrbits_le32(&ccm->dram_clk_cfg, 0x01<<31);
clock_set_pll5(CONFIG_DRAM_CLK * 1000000 * DRAM_CLK_MUL);
@@ -366,16 +408,15 @@ static void mctl_sys_init(struct dram_para *para)
CCM_DRAMCLK_CFG_RST | CCM_DRAMCLK_CFG_UPD);
mctl_await_completion(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_UPD, 0);
- setbits_le32(&ccm->ahb_reset0_cfg, 1 << 14);
- setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL);
- setbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET);
- setbits_le32(&ccm->mbus_clk_cfg, MBUS_CLK_GATE);
-
setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL);
setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL);
setbits_le32(&ccm->mbus_reset, CCM_MBUS_RESET_RESET);
setbits_le32(&ccm->mbus_clk_cfg, MBUS_CLK_GATE);
+ para->rank = 2;
+ para->bus_width = 16;
+ mctl_set_cr(para);
+
/* Set dram master access priority */
writel(0x0000e00f, &mctl_ctl->clken); /* normal */
@@ -398,6 +439,13 @@ unsigned long sunxi_dram_init(void)
.page_size = 2048,
};
+#if defined(CONFIG_MACH_SUN8I_A83T)
+#if (CONFIG_DRAM_TYPE == 3) || (CONFIG_DRAM_TYPE == 7)
+ para.dram_type = CONFIG_DRAM_TYPE;
+#else
+#error Unsupported DRAM type, Please set DRAM type (3:DDR3, 7:LPDDR3)
+#endif
+#endif
setbits_le32(SUNXI_PRCM_BASE + 0x1e0, 0x1 << 8);
writel(0, (SUNXI_PRCM_BASE + 0x1e8));
diff --git a/arch/arm/cpu/armv7/sunxi/psci_sun6i.S b/arch/arm/cpu/armv7/sunxi/psci_sun6i.S
index 4ff46e4fc0..90b5bfd359 100644
--- a/arch/arm/cpu/armv7/sunxi/psci_sun6i.S
+++ b/arch/arm/cpu/armv7/sunxi/psci_sun6i.S
@@ -106,7 +106,7 @@ psci_fiq_enter:
str r10, [r8, #0x100]
timer_wait r10, ONE_MS
-#ifdef CONFIG_MACH_SUN6I
+#if defined(CONFIG_MACH_SUN6I) || defined(CONFIG_MACH_SUN8I_H3)
@ Activate power clamp
lsl r12, r9, #2 @ x4
add r12, r12, r8
@@ -170,7 +170,7 @@ psci_cpu_on:
movw r0, #(SUNXI_PRCM_BASE & 0xffff)
movt r0, #(SUNXI_PRCM_BASE >> 16)
-#ifdef CONFIG_MACH_SUN6I
+#if defined(CONFIG_MACH_SUN6I) || defined(CONFIG_MACH_SUN8I_H3)
@ Release power clamp
lsl r5, r1, #2 @ 1 register per CPU
add r5, r5, r0 @ PRCM
diff --git a/arch/arm/cpu/armv7/sunxi/tzpc.c b/arch/arm/cpu/armv7/sunxi/tzpc.c
index 5c9c69b20b..6c8a0fd9a2 100644
--- a/arch/arm/cpu/armv7/sunxi/tzpc.c
+++ b/arch/arm/cpu/armv7/sunxi/tzpc.c
@@ -13,6 +13,15 @@ void tzpc_init(void)
{
struct sunxi_tzpc *tzpc = (struct sunxi_tzpc *)SUNXI_TZPC_BASE;
+#ifdef CONFIG_MACH_SUN6I
/* Enable non-secure access to the RTC */
- writel(SUNXI_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
+ writel(SUN6I_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
+#endif
+
+#ifdef CONFIG_MACH_SUN8I_H3
+ /* Enable non-secure access to all peripherals */
+ writel(SUN8I_H3_TZPC_DECPORT0_ALL, &tzpc->decport0_set);
+ writel(SUN8I_H3_TZPC_DECPORT1_ALL, &tzpc->decport1_set);
+ writel(SUN8I_H3_TZPC_DECPORT2_ALL, &tzpc->decport2_set);
+#endif
}