diff options
Diffstat (limited to 'drivers/block/sata_ceva.c')
-rw-r--r-- | drivers/block/sata_ceva.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/block/sata_ceva.c b/drivers/block/sata_ceva.c deleted file mode 100644 index 0c24fce8dc..0000000000 --- a/drivers/block/sata_ceva.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * (C) Copyright 2015 - 2016 Xilinx, Inc. - * Michal Simek <michal.simek@xilinx.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <dm.h> -#include <ahci.h> -#include <scsi.h> -#include <asm/arch/hardware.h> - -#include <asm/io.h> - -/* Vendor Specific Register Offsets */ -#define AHCI_VEND_PCFG 0xA4 -#define AHCI_VEND_PPCFG 0xA8 -#define AHCI_VEND_PP2C 0xAC -#define AHCI_VEND_PP3C 0xB0 -#define AHCI_VEND_PP4C 0xB4 -#define AHCI_VEND_PP5C 0xB8 -#define AHCI_VEND_PAXIC 0xC0 -#define AHCI_VEND_PTC 0xC8 - -/* Vendor Specific Register bit definitions */ -#define PAXIC_ADBW_BW64 0x1 -#define PAXIC_MAWIDD (1 << 8) -#define PAXIC_MARIDD (1 << 16) -#define PAXIC_OTL (0x4 << 20) - -#define PCFG_TPSS_VAL (0x32 << 16) -#define PCFG_TPRS_VAL (0x2 << 12) -#define PCFG_PAD_VAL 0x2 - -#define PPCFG_TTA 0x1FFFE -#define PPCFG_PSSO_EN (1 << 28) -#define PPCFG_PSS_EN (1 << 29) -#define PPCFG_ESDF_EN (1 << 31) - -#define PP2C_CIBGMN 0x0F -#define PP2C_CIBGMX (0x25 << 8) -#define PP2C_CIBGN (0x18 << 16) -#define PP2C_CINMP (0x29 << 24) - -#define PP3C_CWBGMN 0x04 -#define PP3C_CWBGMX (0x0B << 8) -#define PP3C_CWBGN (0x08 << 16) -#define PP3C_CWNMP (0x0F << 24) - -#define PP4C_BMX 0x0a -#define PP4C_BNM (0x08 << 8) -#define PP4C_SFD (0x4a << 16) -#define PP4C_PTST (0x06 << 24) - -#define PP5C_RIT 0x60216 -#define PP5C_RCT (0x7f0 << 20) - -#define PTC_RX_WM_VAL 0x40 -#define PTC_RSVD (1 << 27) - -#define PORT0_BASE 0x100 -#define PORT1_BASE 0x180 - -/* Port Control Register Bit Definitions */ -#define PORT_SCTL_SPD_GEN3 (0x3 << 4) -#define PORT_SCTL_SPD_GEN2 (0x2 << 4) -#define PORT_SCTL_SPD_GEN1 (0x1 << 4) -#define PORT_SCTL_IPM (0x3 << 8) - -#define PORT_BASE 0x100 -#define PORT_OFFSET 0x80 -#define NR_PORTS 2 -#define DRV_NAME "ahci-ceva" -#define CEVA_FLAG_BROKEN_GEN2 1 - -static int ceva_init_sata(ulong mmio) -{ - ulong tmp; - int i; - - /* - * AXI Data bus width to 64 - * Set Mem Addr Read, Write ID for data transfers - * Transfer limit to 72 DWord - */ - tmp = PAXIC_ADBW_BW64 | PAXIC_MAWIDD | PAXIC_MARIDD | PAXIC_OTL; - writel(tmp, mmio + AHCI_VEND_PAXIC); - - /* Set AHCI Enable */ - tmp = readl(mmio + HOST_CTL); - tmp |= HOST_AHCI_EN; - writel(tmp, mmio + HOST_CTL); - - for (i = 0; i < NR_PORTS; i++) { - /* TPSS TPRS scalars, CISE and Port Addr */ - tmp = PCFG_TPSS_VAL | PCFG_TPRS_VAL | (PCFG_PAD_VAL + i); - writel(tmp, mmio + AHCI_VEND_PCFG); - - /* Port Phy Cfg register enables */ - tmp = PPCFG_TTA | PPCFG_PSS_EN | PPCFG_ESDF_EN; - writel(tmp, mmio + AHCI_VEND_PPCFG); - - /* Rx Watermark setting */ - tmp = PTC_RX_WM_VAL | PTC_RSVD; - writel(tmp, mmio + AHCI_VEND_PTC); - - /* Default to Gen 2 Speed and Gen 1 if Gen2 is broken */ - tmp = PORT_SCTL_SPD_GEN3 | PORT_SCTL_IPM; - writel(tmp, mmio + PORT_SCR_CTL + PORT_BASE + PORT_OFFSET * i); - } - return 0; -} - -static int sata_ceva_probe(struct udevice *dev) -{ - struct scsi_platdata *plat = dev_get_platdata(dev); - - ceva_init_sata(plat->base); - return 0; -} - -static const struct udevice_id sata_ceva_ids[] = { - { .compatible = "ceva,ahci-1v84" }, - { } -}; - -static int sata_ceva_ofdata_to_platdata(struct udevice *dev) -{ - struct scsi_platdata *plat = dev_get_platdata(dev); - - plat->base = devfdt_get_addr(dev); - if (plat->base == FDT_ADDR_T_NONE) - return -EINVAL; - - /* Hardcode number for ceva sata controller */ - plat->max_lun = 1; /* Actually two but untested */ - plat->max_id = 2; - - return 0; -} - -U_BOOT_DRIVER(ceva_host_blk) = { - .name = "ceva_sata", - .id = UCLASS_SCSI, - .of_match = sata_ceva_ids, - .probe = sata_ceva_probe, - .ofdata_to_platdata = sata_ceva_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct scsi_platdata), -}; |