+++ /dev/null
-From 2741304648dbdab7697d7758166a582b5291c53d Mon Sep 17 00:00:00 2001
-From: Matthias Schiffer <mschiffer@universe-factory.net>
-Date: Sat, 23 Jun 2018 15:08:56 +0200
-Subject: [PATCH 10/33] MIPS: ath79: add support for QCA953x QCA956x TP9343
-
-This patch adds support for 2 new types of QCA silicon. TP9343 is
-essentially the same as the QCA956X but is licensed by TPLink.
-
-Signed-off-by: Weijie Gao <hackpascal@gmail.com>
-Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
-Signed-off-by: John Crispin <john@phrozen.org>
----
- arch/mips/ath79/clock.c | 193 +++++++++++++++++++++++++++++++
- arch/mips/ath79/common.c | 8 ++
- arch/mips/ath79/early_printk.c | 4 +
- arch/mips/ath79/setup.c | 34 +++++-
- arch/mips/include/asm/mach-ath79/ath79.h | 33 ++++++
- 5 files changed, 269 insertions(+), 3 deletions(-)
-
---- a/arch/mips/ath79/clock.c
-+++ b/arch/mips/ath79/clock.c
-@@ -355,6 +355,91 @@ static void __init ar934x_clocks_init(vo
- iounmap(dpll_base);
- }
-
-+static void __init qca953x_clocks_init(void)
-+{
-+ unsigned long ref_rate;
-+ unsigned long cpu_rate;
-+ unsigned long ddr_rate;
-+ unsigned long ahb_rate;
-+ u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv;
-+ u32 cpu_pll, ddr_pll;
-+ u32 bootstrap;
-+
-+ bootstrap = ath79_reset_rr(QCA953X_RESET_REG_BOOTSTRAP);
-+ if (bootstrap & QCA953X_BOOTSTRAP_REF_CLK_40)
-+ ref_rate = 40 * 1000 * 1000;
-+ else
-+ ref_rate = 25 * 1000 * 1000;
-+
-+ pll = ath79_pll_rr(QCA953X_PLL_CPU_CONFIG_REG);
-+ out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_REFDIV_MASK;
-+ nint = (pll >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_NINT_MASK;
-+ frac = (pll >> QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT) &
-+ QCA953X_PLL_CPU_CONFIG_NFRAC_MASK;
-+
-+ cpu_pll = nint * ref_rate / ref_div;
-+ cpu_pll += frac * (ref_rate >> 6) / ref_div;
-+ cpu_pll /= (1 << out_div);
-+
-+ pll = ath79_pll_rr(QCA953X_PLL_DDR_CONFIG_REG);
-+ out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_REFDIV_MASK;
-+ nint = (pll >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_NINT_MASK;
-+ frac = (pll >> QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT) &
-+ QCA953X_PLL_DDR_CONFIG_NFRAC_MASK;
-+
-+ ddr_pll = nint * ref_rate / ref_div;
-+ ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4);
-+ ddr_pll /= (1 << out_div);
-+
-+ clk_ctrl = ath79_pll_rr(QCA953X_PLL_CLK_CTRL_REG);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS)
-+ cpu_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL)
-+ cpu_rate = cpu_pll / (postdiv + 1);
-+ else
-+ cpu_rate = ddr_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS)
-+ ddr_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL)
-+ ddr_rate = ddr_pll / (postdiv + 1);
-+ else
-+ ddr_rate = cpu_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) &
-+ QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS)
-+ ahb_rate = ref_rate;
-+ else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL)
-+ ahb_rate = ddr_pll / (postdiv + 1);
-+ else
-+ ahb_rate = cpu_pll / (postdiv + 1);
-+
-+ ath79_add_sys_clkdev("ref", ref_rate);
-+ ath79_add_sys_clkdev("cpu", cpu_rate);
-+ ath79_add_sys_clkdev("ddr", ddr_rate);
-+ ath79_add_sys_clkdev("ahb", ahb_rate);
-+
-+ clk_add_alias("wdt", NULL, "ref", NULL);
-+ clk_add_alias("uart", NULL, "ref", NULL);
-+}
-+
- static void __init qca955x_clocks_init(void)
- {
- unsigned long ref_rate;
-@@ -440,6 +525,110 @@ static void __init qca955x_clocks_init(v
- clk_add_alias("uart", NULL, "ref", NULL);
- }
-
-+static void __init qca956x_clocks_init(void)
-+{
-+ unsigned long ref_rate;
-+ unsigned long cpu_rate;
-+ unsigned long ddr_rate;
-+ unsigned long ahb_rate;
-+ u32 pll, out_div, ref_div, nint, hfrac, lfrac, clk_ctrl, postdiv;
-+ u32 cpu_pll, ddr_pll;
-+ u32 bootstrap;
-+
-+ /*
-+ * QCA956x timer init workaround has to be applied right before setting
-+ * up the clock. Else, there will be no jiffies
-+ */
-+ u32 misc;
-+
-+ misc = ath79_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE);
-+ misc |= MISC_INT_MIPS_SI_TIMERINT_MASK;
-+ ath79_reset_wr(AR71XX_RESET_REG_MISC_INT_ENABLE, misc);
-+
-+ bootstrap = ath79_reset_rr(QCA956X_RESET_REG_BOOTSTRAP);
-+ if (bootstrap & QCA956X_BOOTSTRAP_REF_CLK_40)
-+ ref_rate = 40 * 1000 * 1000;
-+ else
-+ ref_rate = 25 * 1000 * 1000;
-+
-+ pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG_REG);
-+ out_div = (pll >> QCA956X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
-+ QCA956X_PLL_CPU_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
-+ QCA956X_PLL_CPU_CONFIG_REFDIV_MASK;
-+
-+ pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG1_REG);
-+ nint = (pll >> QCA956X_PLL_CPU_CONFIG1_NINT_SHIFT) &
-+ QCA956X_PLL_CPU_CONFIG1_NINT_MASK;
-+ hfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_H_SHIFT) &
-+ QCA956X_PLL_CPU_CONFIG1_NFRAC_H_MASK;
-+ lfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_L_SHIFT) &
-+ QCA956X_PLL_CPU_CONFIG1_NFRAC_L_MASK;
-+
-+ cpu_pll = nint * ref_rate / ref_div;
-+ cpu_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13);
-+ cpu_pll += (hfrac >> 13) * ref_rate / ref_div;
-+ cpu_pll /= (1 << out_div);
-+
-+ pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG_REG);
-+ out_div = (pll >> QCA956X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
-+ QCA956X_PLL_DDR_CONFIG_OUTDIV_MASK;
-+ ref_div = (pll >> QCA956X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
-+ QCA956X_PLL_DDR_CONFIG_REFDIV_MASK;
-+ pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG1_REG);
-+ nint = (pll >> QCA956X_PLL_DDR_CONFIG1_NINT_SHIFT) &
-+ QCA956X_PLL_DDR_CONFIG1_NINT_MASK;
-+ hfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_H_SHIFT) &
-+ QCA956X_PLL_DDR_CONFIG1_NFRAC_H_MASK;
-+ lfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_L_SHIFT) &
-+ QCA956X_PLL_DDR_CONFIG1_NFRAC_L_MASK;
-+
-+ ddr_pll = nint * ref_rate / ref_div;
-+ ddr_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13);
-+ ddr_pll += (hfrac >> 13) * ref_rate / ref_div;
-+ ddr_pll /= (1 << out_div);
-+
-+ clk_ctrl = ath79_pll_rr(QCA956X_PLL_CLK_CTRL_REG);
-+
-+ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
-+ QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_PLL_BYPASS)
-+ cpu_rate = ref_rate;
-+ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_CPUPLL)
-+ cpu_rate = ddr_pll / (postdiv + 1);
-+ else
-+ cpu_rate = cpu_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) &
-+ QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_DDR_PLL_BYPASS)
-+ ddr_rate = ref_rate;
-+ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_DDRPLL)
-+ ddr_rate = cpu_pll / (postdiv + 1);
-+ else
-+ ddr_rate = ddr_pll / (postdiv + 1);
-+
-+ postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) &
-+ QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_MASK;
-+
-+ if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHB_PLL_BYPASS)
-+ ahb_rate = ref_rate;
-+ else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL)
-+ ahb_rate = ddr_pll / (postdiv + 1);
-+ else
-+ ahb_rate = cpu_pll / (postdiv + 1);
-+
-+ ath79_add_sys_clkdev("ref", ref_rate);
-+ ath79_add_sys_clkdev("cpu", cpu_rate);
-+ ath79_add_sys_clkdev("ddr", ddr_rate);
-+ ath79_add_sys_clkdev("ahb", ahb_rate);
-+
-+ clk_add_alias("wdt", NULL, "ref", NULL);
-+ clk_add_alias("uart", NULL, "ref", NULL);
-+}
-+
- void __init ath79_clocks_init(void)
- {
- if (soc_is_ar71xx())
-@@ -450,8 +639,12 @@ void __init ath79_clocks_init(void)
- ar933x_clocks_init();
- else if (soc_is_ar934x())
- ar934x_clocks_init();
-+ else if (soc_is_qca953x())
-+ qca953x_clocks_init();
- else if (soc_is_qca955x())
- qca955x_clocks_init();
-+ else if (soc_is_qca956x() || soc_is_tp9343())
-+ qca956x_clocks_init();
- else
- BUG();
- }
---- a/arch/mips/ath79/common.c
-+++ b/arch/mips/ath79/common.c
-@@ -103,8 +103,12 @@ void ath79_device_reset_set(u32 mask)
- reg = AR933X_RESET_REG_RESET_MODULE;
- else if (soc_is_ar934x())
- reg = AR934X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca953x())
-+ reg = QCA953X_RESET_REG_RESET_MODULE;
- else if (soc_is_qca955x())
- reg = QCA955X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca956x() || soc_is_tp9343())
-+ reg = QCA956X_RESET_REG_RESET_MODULE;
- else
- BUG();
-
-@@ -131,8 +135,12 @@ void ath79_device_reset_clear(u32 mask)
- reg = AR933X_RESET_REG_RESET_MODULE;
- else if (soc_is_ar934x())
- reg = AR934X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca953x())
-+ reg = QCA953X_RESET_REG_RESET_MODULE;
- else if (soc_is_qca955x())
- reg = QCA955X_RESET_REG_RESET_MODULE;
-+ else if (soc_is_qca956x() || soc_is_tp9343())
-+ reg = QCA956X_RESET_REG_RESET_MODULE;
- else
- BUG();
-
---- a/arch/mips/ath79/early_printk.c
-+++ b/arch/mips/ath79/early_printk.c
-@@ -76,8 +76,12 @@ static void prom_putchar_init(void)
- case REV_ID_MAJOR_AR9341:
- case REV_ID_MAJOR_AR9342:
- case REV_ID_MAJOR_AR9344:
-+ case REV_ID_MAJOR_QCA9533:
-+ case REV_ID_MAJOR_QCA9533_V2:
- case REV_ID_MAJOR_QCA9556:
- case REV_ID_MAJOR_QCA9558:
-+ case REV_ID_MAJOR_TP9343:
-+ case REV_ID_MAJOR_QCA956X:
- _prom_putchar = prom_putchar_ar71xx;
- break;
-
---- a/arch/mips/ath79/setup.c
-+++ b/arch/mips/ath79/setup.c
-@@ -60,6 +60,7 @@ static void __init ath79_detect_sys_type
- u32 major;
- u32 minor;
- u32 rev = 0;
-+ u32 ver = 1;
-
- id = ath79_reset_rr(AR71XX_RESET_REG_REV_ID);
- major = id & REV_ID_MAJOR_MASK;
-@@ -152,6 +153,17 @@ static void __init ath79_detect_sys_type
- rev = id & AR934X_REV_ID_REVISION_MASK;
- break;
-
-+ case REV_ID_MAJOR_QCA9533_V2:
-+ ver = 2;
-+ ath79_soc_rev = 2;
-+ /* drop through */
-+
-+ case REV_ID_MAJOR_QCA9533:
-+ ath79_soc = ATH79_SOC_QCA9533;
-+ chip = "9533";
-+ rev = id & QCA953X_REV_ID_REVISION_MASK;
-+ break;
-+
- case REV_ID_MAJOR_QCA9556:
- ath79_soc = ATH79_SOC_QCA9556;
- chip = "9556";
-@@ -164,14 +176,30 @@ static void __init ath79_detect_sys_type
- rev = id & QCA955X_REV_ID_REVISION_MASK;
- break;
-
-+ case REV_ID_MAJOR_QCA956X:
-+ ath79_soc = ATH79_SOC_QCA956X;
-+ chip = "956X";
-+ rev = id & QCA956X_REV_ID_REVISION_MASK;
-+ break;
-+
-+ case REV_ID_MAJOR_TP9343:
-+ ath79_soc = ATH79_SOC_TP9343;
-+ chip = "9343";
-+ rev = id & QCA956X_REV_ID_REVISION_MASK;
-+ break;
-+
- default:
- panic("ath79: unknown SoC, id:0x%08x", id);
- }
-
-- ath79_soc_rev = rev;
-+ if (ver == 1)
-+ ath79_soc_rev = rev;
-
-- if (soc_is_qca955x())
-- sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
-+ if (soc_is_qca953x() || soc_is_qca955x() || soc_is_qca956x())
-+ sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
-+ chip, ver, rev);
-+ else if (soc_is_tp9343())
-+ sprintf(ath79_sys_type, "Qualcomm Atheros TP%s rev %u",
- chip, rev);
- else
- sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
---- a/arch/mips/include/asm/mach-ath79/ath79.h
-+++ b/arch/mips/include/asm/mach-ath79/ath79.h
-@@ -32,8 +32,11 @@ enum ath79_soc_type {
- ATH79_SOC_AR9341,
- ATH79_SOC_AR9342,
- ATH79_SOC_AR9344,
-+ ATH79_SOC_QCA9533,
- ATH79_SOC_QCA9556,
- ATH79_SOC_QCA9558,
-+ ATH79_SOC_TP9343,
-+ ATH79_SOC_QCA956X,
- };
-
- extern enum ath79_soc_type ath79_soc;
-@@ -100,6 +103,16 @@ static inline int soc_is_ar934x(void)
- return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344();
- }
-
-+static inline int soc_is_qca9533(void)
-+{
-+ return ath79_soc == ATH79_SOC_QCA9533;
-+}
-+
-+static inline int soc_is_qca953x(void)
-+{
-+ return soc_is_qca9533();
-+}
-+
- static inline int soc_is_qca9556(void)
- {
- return ath79_soc == ATH79_SOC_QCA9556;
-@@ -115,6 +128,26 @@ static inline int soc_is_qca955x(void)
- return soc_is_qca9556() || soc_is_qca9558();
- }
-
-+static inline int soc_is_tp9343(void)
-+{
-+ return ath79_soc == ATH79_SOC_TP9343;
-+}
-+
-+static inline int soc_is_qca9561(void)
-+{
-+ return ath79_soc == ATH79_SOC_QCA956X;
-+}
-+
-+static inline int soc_is_qca9563(void)
-+{
-+ return ath79_soc == ATH79_SOC_QCA956X;
-+}
-+
-+static inline int soc_is_qca956x(void)
-+{
-+ return soc_is_qca9561() || soc_is_qca9563();
-+}
-+
- void ath79_ddr_wb_flush(unsigned int reg);
- void ath79_ddr_set_pci_windows(void);
-
projects / openwrt / staging / wigyori.git / blobdiff