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-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun4i.c4
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun4i.h11
-rw-r--r--board/sunxi/Makefile1
-rw-r--r--board/sunxi/ahci.c84
-rw-r--r--configs/Cubieboard2_FEL_defconfig2
-rw-r--r--configs/Cubieboard2_defconfig2
-rw-r--r--configs/Cubieboard_defconfig2
-rw-r--r--configs/Cubietruck_FEL_defconfig2
-rw-r--r--configs/Cubietruck_defconfig2
-rw-r--r--drivers/block/ahci.c16
-rw-r--r--include/ahci.h4
-rw-r--r--include/configs/sunxi-common.h12
12 files changed, 133 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c
index b8b16cf..ecbdb01 100644
--- a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c
+++ b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c
@@ -39,6 +39,10 @@ void clock_init_safe(void)
setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_DMA);
#endif
writel(PLL6_CFG_DEFAULT, &ccm->pll6_cfg);
+#ifdef CONFIG_SUNXI_AHCI
+ setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_SATA);
+ setbits_le32(&ccm->pll6_cfg, 0x1 << CCM_PLL6_CTRL_SATA_EN_SHIFT);
+#endif
}
#endif
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
index 928f3f2..2531cbd 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
@@ -218,10 +218,13 @@ struct sunxi_ccm_reg {
#define CCM_PLL5_CTRL_BYPASS (0x1 << 30)
#define CCM_PLL5_CTRL_EN (0x1 << 31)
-#define CCM_PLL6_CTRL_N_SHIFT 8
-#define CCM_PLL6_CTRL_N_MASK (0x1f << CCM_PLL6_CTRL_N_SHIFT)
-#define CCM_PLL6_CTRL_K_SHIFT 4
-#define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT)
+#define CCM_PLL6_CTRL_EN 31
+#define CCM_PLL6_CTRL_BYPASS_EN 30
+#define CCM_PLL6_CTRL_SATA_EN_SHIFT 14
+#define CCM_PLL6_CTRL_N_SHIFT 8
+#define CCM_PLL6_CTRL_N_MASK (0x1f << CCM_PLL6_CTRL_N_SHIFT)
+#define CCM_PLL6_CTRL_K_SHIFT 4
+#define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT)
#define CCM_GPS_CTRL_RESET (0x1 << 0)
#define CCM_GPS_CTRL_GATE (0x1 << 1)
diff --git a/board/sunxi/Makefile b/board/sunxi/Makefile
index 62acb8f..03f55cc 100644
--- a/board/sunxi/Makefile
+++ b/board/sunxi/Makefile
@@ -10,6 +10,7 @@
#
obj-y += board.o
obj-$(CONFIG_SUNXI_GMAC) += gmac.o
+obj-$(CONFIG_SUNXI_AHCI) += ahci.o
obj-$(CONFIG_A13_OLINUXINOM) += dram_a13_oli_micro.o
obj-$(CONFIG_CUBIEBOARD) += dram_cubieboard.o
obj-$(CONFIG_CUBIEBOARD2) += dram_cubieboard2.o
diff --git a/board/sunxi/ahci.c b/board/sunxi/ahci.c
new file mode 100644
index 0000000..0c262ea
--- /dev/null
+++ b/board/sunxi/ahci.c
@@ -0,0 +1,84 @@
+#include <common.h>
+#include <ahci.h>
+#include <scsi.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+#define AHCI_PHYCS0R 0x00c0
+#define AHCI_PHYCS1R 0x00c4
+#define AHCI_PHYCS2R 0x00c8
+#define AHCI_RWCR 0x00fc
+
+/* This magic PHY initialisation was taken from the Allwinner releases
+ * and Linux driver, but is completely undocumented.
+ */
+static int sunxi_ahci_phy_init(u32 base)
+{
+ u8 *reg_base = (u8 *)base;
+ u32 reg_val;
+ int timeout;
+
+ writel(0, reg_base + AHCI_RWCR);
+ mdelay(5);
+
+ setbits_le32(reg_base + AHCI_PHYCS1R, 0x1 << 19);
+ clrsetbits_le32(reg_base + AHCI_PHYCS0R,
+ (0x7 << 24),
+ (0x5 << 24) | (0x1 << 23) | (0x1 << 18));
+ clrsetbits_le32(reg_base + AHCI_PHYCS1R,
+ (0x3 << 16) | (0x1f << 8) | (0x3 << 6),
+ (0x2 << 16) | (0x6 << 8) | (0x2 << 6));
+ setbits_le32(reg_base + AHCI_PHYCS1R, (0x1 << 28) | (0x1 << 15));
+ clrbits_le32(reg_base + AHCI_PHYCS1R, (0x1 << 19));
+ clrsetbits_le32(reg_base + AHCI_PHYCS0R, (0x7 << 20), (0x3 << 20));
+ clrsetbits_le32(reg_base + AHCI_PHYCS2R, (0x1f << 5), (0x19 << 5));
+ mdelay(5);
+
+ setbits_le32(reg_base + AHCI_PHYCS0R, (0x1 << 19));
+
+ timeout = 250; /* Power up takes approx 50 us */
+ for (;;) {
+ reg_val = readl(reg_base + AHCI_PHYCS0R) & (0x7 << 28);
+ if (reg_val == (0x2 << 28))
+ break;
+ if (--timeout == 0) {
+ printf("AHCI PHY power up failed.\n");
+ return -EIO;
+ }
+ udelay(1);
+ };
+
+ setbits_le32(reg_base + AHCI_PHYCS2R, (0x1 << 24));
+
+ timeout = 100; /* Calibration takes approx 10 us */
+ for (;;) {
+ reg_val = readl(reg_base + AHCI_PHYCS2R) & (0x1 << 24);
+ if (reg_val == 0x0)
+ break;
+ if (--timeout == 0) {
+ printf("AHCI PHY calibration failed.\n");
+ return -EIO;
+ }
+ udelay(1);
+ }
+
+ mdelay(15);
+
+ writel(0x7, reg_base + AHCI_RWCR);
+
+ return 0;
+}
+
+void scsi_init(void)
+{
+ printf("SUNXI SCSI INIT\n");
+#ifdef CONFIG_SATAPWR
+ gpio_direction_output(CONFIG_SATAPWR, 1);
+#endif
+
+ if (sunxi_ahci_phy_init(SUNXI_SATA_BASE) < 0)
+ return;
+
+ ahci_init(SUNXI_SATA_BASE);
+}
diff --git a/configs/Cubieboard2_FEL_defconfig b/configs/Cubieboard2_FEL_defconfig
index 08f3159..4eddd08 100644
--- a/configs/Cubieboard2_FEL_defconfig
+++ b/configs/Cubieboard2_FEL_defconfig
@@ -1,4 +1,4 @@
CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD2,SPL_FEL,SUNXI_GMAC"
+CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD2,SPL_FEL,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8)"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SUN7I=y
diff --git a/configs/Cubieboard2_defconfig b/configs/Cubieboard2_defconfig
index 122dac9..ce06fe9 100644
--- a/configs/Cubieboard2_defconfig
+++ b/configs/Cubieboard2_defconfig
@@ -1,4 +1,4 @@
CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD2,SPL,SUNXI_GMAC"
+CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD2,SPL,SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8)"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SUN7I=y
diff --git a/configs/Cubieboard_defconfig b/configs/Cubieboard_defconfig
index 29bf836..7646ea4 100644
--- a/configs/Cubieboard_defconfig
+++ b/configs/Cubieboard_defconfig
@@ -1,4 +1,4 @@
CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD,SPL,AXP209_POWER,SUNXI_EMAC"
+CONFIG_SYS_EXTRA_OPTIONS="CUBIEBOARD,SPL,AXP209_POWER,SUNXI_EMAC,AHCI,SATAPWR=SUNXI_GPB(8)"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SUN4I=y
diff --git a/configs/Cubietruck_FEL_defconfig b/configs/Cubietruck_FEL_defconfig
index b95c5fa..73867f7 100644
--- a/configs/Cubietruck_FEL_defconfig
+++ b/configs/Cubietruck_FEL_defconfig
@@ -1,4 +1,4 @@
CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="CUBIETRUCK,SPL_FEL,AXP209_POWER,SUNXI_GMAC,RGMII"
+CONFIG_SYS_EXTRA_OPTIONS="CUBIETRUCK,SPL_FEL,AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPH(12)"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SUN7I=y
diff --git a/configs/Cubietruck_defconfig b/configs/Cubietruck_defconfig
index 4c1e9a3..eb460ac 100644
--- a/configs/Cubietruck_defconfig
+++ b/configs/Cubietruck_defconfig
@@ -1,4 +1,4 @@
CONFIG_SPL=y
-CONFIG_SYS_EXTRA_OPTIONS="CUBIETRUCK,SPL,AXP209_POWER,SUNXI_GMAC,RGMII"
+CONFIG_SYS_EXTRA_OPTIONS="CUBIETRUCK,SPL,AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPH(12)"
+S:CONFIG_ARM=y
+S:CONFIG_TARGET_SUN7I=y
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index 4df8046..dce99ad 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -129,6 +129,14 @@ int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port)
return 1;
}
+#ifdef CONFIG_SUNXI_AHCI
+/* The sunxi AHCI controller requires this undocumented setup */
+static void sunxi_dma_init(volatile u8 *port_mmio)
+{
+ clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400);
+}
+#endif
+
static int ahci_host_init(struct ahci_probe_ent *probe_ent)
{
#ifndef CONFIG_SCSI_AHCI_PLAT
@@ -213,6 +221,10 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
msleep(500);
}
+#ifdef CONFIG_SUNXI_AHCI
+ sunxi_dma_init(port_mmio);
+#endif
+
/* Add the spinup command to whatever mode bits may
* already be on in the command register.
*/
@@ -545,6 +557,10 @@ static int ahci_port_start(u8 port)
writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR);
+#ifdef CONFIG_SUNXI_AHCI
+ sunxi_dma_init(port_mmio);
+#endif
+
writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX |
PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP |
PORT_CMD_START, port_mmio + PORT_CMD);
diff --git a/include/ahci.h b/include/ahci.h
index 90e8509..35b8a8c 100644
--- a/include/ahci.h
+++ b/include/ahci.h
@@ -58,6 +58,10 @@
#define PORT_SCR_ERR 0x30 /* SATA phy register: SError */
#define PORT_SCR_ACT 0x34 /* SATA phy register: SActive */
+#ifdef CONFIG_SUNXI_AHCI
+#define PORT_P0DMACR 0x70 /* SUNXI specific "DMA register" */
+#endif
+
/* PORT_IRQ_{STAT,MASK} bits */
#define PORT_IRQ_COLD_PRES (1 << 31) /* cold presence detect */
#define PORT_IRQ_TF_ERR (1 << 30) /* task file error */
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 8ab6429..1505510 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -57,6 +57,18 @@
#define PHYS_SDRAM_0 CONFIG_SYS_SDRAM_BASE
#define PHYS_SDRAM_0_SIZE 0x80000000 /* 2 GiB */
+#ifdef CONFIG_AHCI
+#define CONFIG_LIBATA
+#define CONFIG_SCSI_AHCI
+#define CONFIG_SCSI_AHCI_PLAT
+#define CONFIG_SUNXI_AHCI
+#define CONFIG_SYS_SCSI_MAX_SCSI_ID 1
+#define CONFIG_SYS_SCSI_MAX_LUN 1
+#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
+ CONFIG_SYS_SCSI_MAX_LUN)
+#define CONFIG_CMD_SCSI
+#endif
+
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_SETEXPR
generated by cgit v1.1 at 2024-11-26 12:34:02 +0000